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This page is updated frequently with new Vacuum Pump-related patent applications.




 Gas permeability measurement apparatus and gas permeability measurement method patent thumbnailGas permeability measurement apparatus and gas permeability measurement method
A gas permeability measurement apparatus and a gas permeability measurement method, including a first chamber filled with a measurement gas and maintained at a constant pressure, a second chamber connected in series to the first chamber, a third chamber connected in series to the second chamber, and a separating plate having a through-hole and separating the second chamber and the third chamber from each other. A conductance adjusting part is disposed between the second and third chambers to adjust conductance passing through the through-hole of the separating plate.
Korea Research Institute Of Standards And Science


 Vacuum pump patent thumbnailVacuum pump
A vacuum pump comprises: a stator; a rotor that rotates with respect to the stator; a pump casing in which the stator and the rotor are contained, and a suction port and a through-hole for exhaust are provided; a first exhaust duct fixed to an outer circumference of the pump casing so as to communicate with the through-hole for exhaust; and a second exhaust duct that is inserted into at least the through-hole for exhaust with a gap interposed, an exhaust gas passing inside the second exhaust duct.. .
Shimadzu Corporation


 Vacuum installation patent thumbnailVacuum installation
A vacuum installation includes a vacuum chamber having an inlet for aspirating a quantity of liquid or particulate material. A cyclone separation unit including a plurality of cyclones, communicating in parallel with the interior of the vacuum chamber is connected to a vacuum pump to draw air from the vacuum chamber through the cyclones and induce a separating vortex flow within the cyclones.
Koks Group B.v.


 Vacuum pump patent thumbnailVacuum pump
There is provided a vacuum pump capable of preventing foreign materials from flowing into a gap between rotors or the like and obtaining low ultimate pressure. The vacuum pump includes two rotating shafts formed extending in a first axial direction, a rotor casing, rotors, and a shielding portion.
Ebara Corporation


 Management of the differential pressure thresholds of a vacuum pump connected to the braking system of a motor vehicle patent thumbnailManagement of the differential pressure thresholds of a vacuum pump connected to the braking system of a motor vehicle
A method and system for management of a vacuum pump connected to a braking system of a motor vehicle, and use of an electronic control unit connected to the vacuum pump. At least one differential pressure threshold associated with the vacuum pump, selected from a first differential pressure threshold controlling stopping of operation of the vacuum pump, a second differential pressure threshold controlling starting of the vacuum pump, and a third differential pressure threshold, lower than the second threshold and signalling alerts representative of operating faults, is determined by taking into account a first set of data representative of the detection or otherwise of a repetitive braking situation and/or a second set of data representative of altitude of the vehicle..
Renault S.a.s.


 Method and  filling a steam chamber patent thumbnailMethod and filling a steam chamber
A method and apparatus for filling a steam chamber. In one exemplary embodiment, a steam chamber is placed in selective communication with a vacuum pump and a heat transfer medium, such as a source of deaerated water.
Accutemp Products, Inc.


 Evacuation of a film chamber patent thumbnailEvacuation of a film chamber
A device for evacuating a film chamber using a pump system that comprises at least two vacuum pumps, designed to evacuate the film chamber alternately. A suction capacity of the first vacuum pump is greater than that of the second vacuum pump and the final pressure achievable by the first vacuum pump is less than that of the second vacuum pump..
Inficon Gmbh


 Methods and apparatus utilizing vacuum for breaking organic cell walls patent thumbnailMethods and apparatus utilizing vacuum for breaking organic cell walls
Moisturized organic material is treated by communicating with a vacuum pump (44) to selectively reduce pressure within a vessel (12) below atmospheric pressure and to a vaporization point, such as at 30 to 17.8 c, for a period of time sufficient to create an internal pressure to rupture cell walls. While being subjected to vacuum below atmospheric pressure, the vessel (12) is rotated to homogenize the moisturized organic material.
Cornerstone Resources, Llc


 Plug for sealable container patent thumbnailPlug for sealable container
Disclosed herein is an apparatus for sealing containers of various opening sizes including a plug for use with a container having a lid with a lid opening therein. The plug includes a body having distal and proximal portions.

 Hollow tubular oil absorbing material and preparing method thereof patent thumbnailHollow tubular oil absorbing material and preparing method thereof
A hollow tubular oil absorbing material includes: a core formed by a spring, and an outer shell formed by a flat sponge wrapped at the spring; wherein the flat sponge is fixed at both ends of the spring; the flat sponge fully covers all the spring or is sealed at a first end; a connecting tube is connected at a second end of the spring for communicating with a vacuum pump; a graphene oxide layer is coated at the outer sponge. The graphene oxide layer on the flat sponge of hollow tubular oil absorbing material is formed by immersion and coating under negative pressure.
Tianjin Polytechnic University


Vacuum management system


The invention provides a flywheel system comprising a flywheel mounted for rotation within a chamber, a vacuum pump system and a valve for selectively closing a passage, wherein the chamber is coupled to an inlet of the vacuum pump system via the passage. The invention also provides a method of controlling the starting and stopping of the flywheel system..
Flybrid Automotive Limited


Magnetic bearing device, and vacuum pump having same


An object of the present invention is to provide a magnetic bearing device designed to achieve reduction in cost and size of a circuit by omitting a dc/dc converter that has been used for obtaining a control power voltage of a magnetic bearing, and to provide a vacuum pump having the magnetic bearing device. The magnetic bearing device has: position detection means for detecting a radial position and an axial position of a rotor; magnetic bearing means for controlling the radial position and the axial position with an electromagnet based on the radial position and the axial position detected by the position detection means; an excitation circuit that includes a switching element for connecting/disconnecting between the electromagnet and a power supply; electromagnetic current detection means for detecting a signal of a current flowing through the electromagnet; power supply voltage detection means for detecting a signal of a voltage of the power supply; and pulse width calculation means for calculating, at each timing, a pulse width for operating pulse control for the switching element.
Edwards Japan Limited


Prosthetic device utilizing electric vacuum pump


According to the embodiments described herein, prosthetic devices can include a prosthetic socket, a vacuum passage, and an evacuation device. The interior of the prosthetic socket can be adapted to receive a residual limb.
The Ohio Willow Wood Company


Real time machine learning based predictive and preventive maintenance of vacuum pump


A method and system of a machine learning architecture for predictive and preventive maintenance of vacuum pumps. The method includes receiving one of a motor sensor data and a blower sensor data over a communications network.

Method for resin delivery including metering introduction of external air to maintain desired vacuum level


Method and apparatus for pneumatically conveying granular plastic resin material out of a resin supply to a process machine includes a vacuum pump, a conduit connecting the resin supply to a suction intake of the vacuum pump, a sensor for sensing vacuum level drawn by the pump at the suction inlet and a valve for supplying air to the conduit.. .

Plumping device and method


A lip and skin plumping device and method are presented utilizing a vacuum pump and controller to deliver a constant frequency pulsating suction to the skin. The constant frequency allows blood to pulse through the affected area to reduce stress and trauma to the treated skin.

Prosthetic system and method utilizing microprocessor-controlled electric vacuum pump


A prosthetic system having a microprocessor-controlled socket evacuation device, and a method of retaining a prosthesis on the residual limb of an amputee using such an evacuation device are described herein. The evacuation device can include an electrically powered vacuum pump.
The Ohio Willow Wood Company


Automated cleanliness diagnostic for mass spectrometer


A mass spectrometer or ion mobility spectrometer is disclosed comprising means for detecting a blockage in an inlet orifice arranged between an ion source and a vacuum chamber. The blockage is detected as a result of a reduction in pressure within the vacuum chamber.
Micromass Uk Limited


Deformable input device


An input device include a deformable tip that is adjustable to define a shape tip configuration. Exemplary tip shapes may include multiple types of oil brushes or a chinese brush, among other alternatives.
Microsoft Technology Licensing, Llc


Process and treating sludge


An apparatus and process for removing moisture from sludge. The apparatus comprises a housing having an inlet and outlet for respective receipt and discharge of the sludge.
Ali-jak Holdings Pty Ltd


Sweetener with imbedded high potency ingredients


An enhanced sweetener made from granules of a carrier, such as sucrose, embedded with molecules of a high potency sweetener, such as stevia extract. The process for making the enhanced sweetener involves dissolving the high potency sweetener in warmed water and mixing the resulting solution with the heated carrier.
Nutraex Food Inc.


Sniffer leak detector with multi-stage membrane pump


A sniffer leak detector includes a mass spectrometer for analyzing hydrogen or helium, a turbomolecular pump which is connected with said mass spectrometer and whose outlet is connected with a prevacuum pump, and a sniffer probe which includes a plurality of intake lines and is connected with said inlet of said turbomolecular pump, wherein a vacuum pump includes at least three stages whose inlet stage defines said prevacuum pump and is connected with said outlet of said turbomolecular pump via a blocked throttle, wherein, between adjacent stages of said vacuum pump, an intermediate inlet each is provided, wherein each intermediate inlet is connected with a different intake line of said sniffer probe and at least one of the intake lines as a suction line is connected with said inlet of said turbomolecular pump for obtaining different gas flows.. .
Inficon Gmbh


Trigeneration energy supply system


The present invention relates to a trigeneration energy supply system having improved cooling and system use efficiency. The trigeneration energy supply system according to one embodiment of the present invention can comprise: a vacuum pump; a vacuum chamber inside which a vacuum is created by the vacuum pump; a condensed water storage tank positioned higher than the vacuum chamber, and prepared so as to store condensed water formed when steam generated by evaporating water brought inside the vacuum chamber is transferred to the inside of the tank by the vacuum pump; a cooling pipeline arranged to pass through the inside of the vacuum chamber cooled during the water evaporation and prepared to deliver cool air to a cooling load; and a small hydroelectric power generation system for generating electrical power by allowing the condensed water stored in the condensed water storage tank to be poured from at least the height of the condensed water storage tank..
Korea Institute Of Energy Research


Stator component of vacuum pump


The present invention provides a stator component of a vacuum pump, which is suitable for reducing the fracture energy (energy of fracture that occurs when a rotor of the pump is damaged during its rotation) and the size of the pump, and also provides a vacuum pump having this stator component. In the vacuum pump, a spacer or of a thread groove pump stator, which is a stator component forms a gap satisfying the following <<condition>> between an outer circumferential surface of each of housed in a pump case of the vacuum pump, and an inner circumferential surface of the pump case, with the stator component being housed in the pump case.
Edwards Japan Limited


Thread groove pump mechanism, vacuum pump including thread groove pump mechanism, and rotor, outer circumference side stator, and inner circumference side stator used in thread groove pump mechanism


The present invention provides a thread groove pump mechanism which suppresses a backflow of the gas in the thread groove pump mechanism and reduces the pressure difference in the pump radial direction near the outlet of the thread groove pump mechanism to thereby improve the exhaust performance and the compression performance. The present invention also provides a vacuum pump including the thread groove pump mechanism, and a rotor, an outer circumference side stator, and an inner circumference side stator used in the thread groove pump mechanism.
Edwards Japan Limited


Facility for purifying harmful gas


A facility for purifying harmful gas according to an exemplary embodiment of the inventive concept includes a vacuum pump for discharging harmful gas generated from the process chamber, preprocessing apparatus a preprocessing apparatus with which buffer gas for plasma discharge is provided together with the harmful gas discharged from the process chamber and performing preprocess such that noxious substances in the harmful gas and the buffer gas may be activated by emitting microwave, and a plasma reactor receiving the harmful gas including activated noxious substances and the activated buffer gas from the preprocessing apparatus and decomposing the activated substances by generating plasma discharge.. .
Core Plasma Technology Inc.


Semiconductor manufacturing apparatus, diagnostic system for semiconductor manufacturing apparatus, and manufacturing semiconductor device


A semiconductor manufacturing apparatus capable of stable operation includes a processing chamber where a wafer is treated, a vacuum pump that is coupled with the processing chamber and evacuates the processing chamber, a monitor that measures the drive state of the vacuum pump, and an exhaust assisting device that is arranged on the exhaust side of the vacuum pump, in which the monitor measures the drive state of the vacuum pump in a state the vacuum pump and the exhaust assisting device are driven.. .
Renesas Electronics Corporation


Tightness test during the evacuation of a film chamber


A method for testing the sealing tightness of a specimen, containing a gas, in a film chamber made from flexible material. The film chamber is evacuated by a vacuum pump and the gas flow flowing out of the film chamber and generated by the vacuum pump is measured during the evacuation and is examined with respect to a possible leak of the specimen..
Inficon Gmbh


System to generate pressurized air for hydro-excavation


A system to generate pressurized air for hydro-excavation includes an exhaust silencer configured to hold water and an exhaust manifold disposed through the silencer, where the exhaust manifold is configured to be in fluid communication with an internal combustion engine in order to receive exhaust gases to heat the exhaust silencer. In addition, the system includes a steam turbine configured to be driven by steam generated in the exhaust silencer, a primary steam line secured proximate to an upper end of the silencer to connect to the steam turbine, and an air compressor driven by the steam turbine to generate pressurized air.

Vacuum pump mechanism


Provided is a vacuum pump mechanism capable of suppressing occurrence of needless drive torque. A suction port arranged at a housing is connected to a brake master back of a brake booster, and an oil regulating unit capable of adjusting a quantity of lubricating oil flowing through a lubricating oil supply passage when the brake master back reaches a predetermined negative pressure.
Mikuni Corporation


Vacuum pump


It is intended to provide a vacuum pump so that without upsizing the vacuum pump, noise and vibration are reduced, heat dissipation property is secured, and the casing is downsized. Therefore, at least one turning part is provided in an exhausting path formed in a casing body.
Nabtesco Automotive Corporation


Scroll vacuum pump and maintenance including replacing a tip seal of a scroll vacuum pump


A scroll pump has a tip seal between an axial end of the scroll blade of one of stationary and orbiting plate scrolls of the pump and the plate of the other of the stationary plate and orbiting plate scrolls. The scroll pump may have a ballast gas supply system and use the operation of the ballast gas supply system to assess the condition of the tip seal.
Agilent Technologies, Inc.


Vacuum pump for a motor vehicle


The invention relates to a vacuum pump (1) for a motor vehicle, comprising a pump housing surface (8), on which a noise reduction hood (30) delimiting a sound damping volume is mounted. The invention is characterized in that the noise reduction hood (30), on at least one inner surface facing the pump housing surface (8), has a three-dimensional sound dissipation structure (60)..
Magna Powertrain Bad Homburg Gmbh


Recharger for hydrogen fuel cells


A recharger includes a manifold having an input to couple to a hydrogen generating module and an output port to couple to at least one rechargeable fuel cell. A vacuum pump is coupled to the manifold to evacuate the manifold.
Honeywell International Inc.


Vacuum pump


The present disclosure provides a vacuum pump with which size and weight reduction, improvement of workability, and cost reduction can be realized. Electrical connection between a pump main body that has a rotor supported by a magnetic bearing and a control unit that controls the drive of the pump main body is established by a flexible printed wiring board configured by printing an electric circuit on a surface of a sheet-like insulating substrate..
Edwards Japan Limited


Resin delivery apparatus and method with plural air flow limiters


Apparatus has a vacuum pump for conveying granular plastic resin material from a supply to receivers retaining and dispensing the resin when needed by a process machine with a flow limiter connected to the suction head of the vacuum pump, and a second flow limiter controlling and limiting to a maximum value vacuum flow through a conduit carrying auxiliary additives to the receivers.. .

Resin delivery method and apparatus using multiple sensors for optimal vacuum pump operation


Method and apparatus for pneumatically conveying granular resin material and controlling such conveyance includes a sensor associated with granular plastic resin material receiver with the sensing vacuum level thereat and a microprocessor adjusting vacuum pump speed based on vacuum level sensed at the receiver.. .

Leak testing apparatus and method


In leak testing by an accumulation method, it is possible to reliably detect accumulated inspection gas, and the reliability of leak testing is enhanced by reduction in background or impurity gas. At least an openable/closeable part 29 of a capsule 20 is housed inside a chamber 10 of a leak testing apparatus 1.

Mobile sludge exhauster and method


The invention relates to a mobile sludge exhauster including a tank for collection of sludge from a device that contains sludge and a vacuum system (8) for creation of suction. Sludge is sucked up and transported in a pipe unit to the tank.

System and methods for evaporative emissions leak testing


A method for a fuel system is provided, comprising: during a first engine-off condition, coupling a fuel tank to a fuel vapor canister, and indicating degradation based on a change in pressure at the fuel vapor canister, and during a second engine-off condition, coupling the fuel vapor canister to an intake of an engine, and indicating degradation based on a change in pressure at the fuel vapor canister. The first engine-off condition may include an absolute fuel tank pressure greater than a threshold, while the second engine-off condition may include an engine spinning unfueled.

Device for curing obesity using cooling


The present invention relates to a device for treating obesity using cooling, the device comprising: a controller body for setting a cooling temperature and operating time, supplying cooling water for cooling a thermoelectric element, and providing suction force through a vacuum pump; a handpiece body for displaying operating conditions and providing suction force through a suction hole; a cable for connecting the controller body and the handpiece body; a suction cup mounted on the handpiece body to form a suction space; and cooling devices positioned on opposite sides of the suction cup to cool a part to be treated, which has been sucked into the suction space. Further, metallic cooling plates in-molded in a suction cup made of silicone make contact with the part to be treated via a thin silicone layer such that fat can be destroyed efficiently using a small amount of anti-freezing agent while protecting the skin..

Method and system for controlling electrical vacuum pump


A control method and system of an electrical vacuum pump is provide to resolve generation of peak current when a motor of the electrical vacuum pump initially starts and implement a soft start. The electrical vacuum pump generates vacuum by suctioning air by rotating a pump with a motor.
Hyundai Motor Company


Vacuum system


The invention concerns a vacuum system, comprising a first vacuum chamber and a second vacuum chamber, the first vacuum chamber being evacuated by a first vacuum pump, in particular a turbomolecular pump, the first and the second vacuum chamber being connected by a passage, wherein the passage is surrounded by a sealing arrangement comprising an inner seal and an outer seal with a plenum positioned between the inner seal and the outer seal, the plenum being evacuated by a support vacuum pump, and wherein at least one sealing face of the inner seal consists of the wall material of the first or the second vacuum chamber, in particular the inner seal being formed by direct contact between the wall material of the first vacuum chamber and the wall material of the second vacuum chamber. Additionally, the invention concerns a mass spectrometry system..
Thermo Fisher Scientific (bremen) Gmbh


Oxygen concentrating device, wound care apparatus, and treatment methods


A wound care device for delivering topical oxygen therapy, negative pressure wound therapy, and a low intensity vacuum therapy for treatment of a wound. The wound care device may include an oxygen supply mea, an oxygen consuming mea, a vacuum pump and motor, a pressure sensor, and a power supply and electronic controls.
Neogenix, Llc


Degassing system for dialysis


The degassing system can include a degassing vessel and can utilize a vacuum pump and a fluid pump located downstream of the degassing vessel to control the pressure within the degassing vessel in order to control the concentration of gases in fluid exiting the degassing system. The degassing system can further comprise sensors in communication with the pumps to control the rate of flow and pressure through the degassing system.
Medtronic, Inc.


Apparatus and wound volume measurement


A method and apparatus for measuring a volume of a wound are described, the method comprising the steps of: applying a dressing over a wound, the volume of which is to be measured, the dressing including at least a sealing drape over the wound so as to create a sealed wound cavity; creating a vacuum in said wound cavity by vacuum pump means so as to produce a predetermined vacuum in the wound cavity; measuring a volume of air extracted from said wound cavity in producing said predetermined vacuum; and, calculating a volume of said wound.. .
Smith & Nephew Plc


Vacuum pump


An object is to provide a vacuum pump that enables, without being affected by a flow rate of gas to be discharged, concentrated and efficient heating of only a stator component of an exhaust side gas channel that needs to be heated in order to prevent deposition of products and that also enables prevention of deposition of products in the exhaust side gas channel as a result of the heating, and improvement of pump emission performance. The vacuum pump has a rotor rotatably arranged on a pump base and a gas channel through which gas sucked by rotation of the gas is guided to an outlet port, and further includes heat insulating means for thermally insulating a stator component, which forms an exhaust side gas channel in the gas channel, from other components and heating means for heating the thermally insulated stator component..
Edwards Japan Limited


System and improving vacuum generation


Methods and systems for improving vacuum generation for a diesel powered vehicle that includes a mechanically engine driven vacuum pump are presented. In one non-limiting example, engine idle speed may be increased in response to a number of braking events and/or a request for vacuum based on an amount of stored vacuum..
Ford Global Technologies, Llc


Hidden and wearable breast-milk pumping system


A hidden and wearable breast-milk pumping system includes a pumping unit, a collecting unit and a wireless control unit. The pumping unit includes a pumping module and an attaching layer configured for attaching to a breast.
Metal Industries Research & Development Centre


Evacuator system having multi-port evacuator


A pneumatically actuated vacuum pump is disclosed. The pneumatically actuated vacuum pump includes a body.
Dayco Ip Holdings, Llc


Turbocharger generating vacuum negative pressure, vacuum negative pressure supply type brake system using the same, and control method thereof


A turbocharger generating a vacuum negative pressure may include a compressor which receives, through a turbocharger shaft, a rotational force of a turbine which rotates based on exhaust gas from an engine and turbo-charges an intake which is supplied to the engine, and a motorless vacuum pump coupled to the turbine through a center housing which is coupled to the compressor and is configured to be rotated by the turbocharger shaft, thus generating a vacuum negative pressure.. .
Hyundai Motor Company


Vacuum system for a piston and syringe interface


A syringe interface between a piston and plunger is provided. The syringe interface includes a piston configured to be driven by an injector and a syringe.
Bayer Healthcare Llc


Breast pump unit


A breastpump unit for expressing human breastmilk has a breastshield for placing on a human mother's breast, a vacuum pump for generating an underpressure, and a suction line for connecting the breastshield to the vacuum pump and for transferring to the breastshield the underpressure generated by the vacuum pump. The breastpump unit also has a pressure sensor.
Medela Holding Ag


Method and device for converting municipal waste into energy


A method and device for converting municipal waste into energy. This method involves heating the waste in multiple sections of a chamber to produce syngas and biochar.

Radiation generator having an actively evacuated acceleration column


A radiation generator includes an ion source region, and an acceleration column downstream of the extractor electrode and in fluid communication with the ion source region. The ion source region and the acceleration column contain an ionizable gas.
Schlumberger Technology Corporation


Vacuum pump


A vacuum pump is provided, which suppresses occurrence of a gas product in an exhaust side outlet of a thread groove and maintains pump performance over a long period. The vacuum pump includes inflow suppressing walls formed by widening greater an exhaust side end portion of ridge portions, extended along a gas exhaust direction on an outer circumferential surface of an inner circumference side stator, forward in a rotor rotating direction than an intake side end portion, the inflow suppressing walls suppressing retention of gas in exhaust side outlets of thread grooves engraved among the ridge portions..
Edwards Japan Limited


Wafer cleaning apparatus and wafer cleaning method using the same


The object of the present invention is to provide a wafer cleaning apparatus that reduces the amount of dissolved oxygen, without using hydrogen peroxide, to be able to reduce the deformation, etc. Of a wafer and to reduce silicon consumption and a wafer cleaning method using the same.
Apet


Integrated mass spectrometry systems


The disclosure features mass spectrometry systems that include: an ion source; a module featuring an ion trap, an ion detector, and a module housing that at least partially surrounds the ion trap and the ion detector; and a vacuum pump featuring a housing having a recess dimensioned to receive the module, so that when the module is positioned within the recess of the vacuum pump housing, a portion of the module is surrounded by the vacuum pump housing, and during operation of the system, the ion source, ion trap, ion detector, and vacuum pump are connected along a common gas flow path and heat is transferred from the vacuum pump to the module.. .
908 Devices Inc.


Vacuum gripper


Systems and methods for automatically assembling a multi-fiber optical ferrule. A vacuum gripper comprises a first and a second flat surface, the first and second flat surfaces being transverse and meeting at a seam, the seam including a narrow gap; and a vacuum pump in fluid communication with the seam such that the vacuum pump produces negative pressure along a length of the seam when the vacuum pump is activated, wherein the negative pressure is sufficient to grip an optical fiber..
Compass Electro Optical Systems Ltd.


System and venting refrigerant from an air conditioning system


An air conditioning service system includes a discharge unit including a discharge vessel, a vacuum pump fluidly connected to the discharge vessel, a scale configured to sense a weight of the discharge unit, a first valve arranged in an input line configured to fluidly connect the discharge vessel to an air conditioning system, and a vent valve arranged in a vent line and configured to fluidly connect the discharge vessel to the atmosphere. A controller operates the vacuum pump to evacuate the discharge vessel, obtains an evacuated weight of the discharge unit, operates the first valve to open to fill the discharge vessel with refrigerant, obtains a filled weight of the discharge unit, operates the vent valve to vent refrigerant from the discharge vessel, obtains a vented weight of the discharge unit, and determines a mass of refrigerant vented based upon the stored evacuated, filled, and vented weights..
Robert Bosch Gmbh


Zero energy transportation system


A transportation system for people as well as goods that preserves energy by utilising the zero energy travel principle where energy is recycled instead of being wasted as heat or noise. An air tight and self-contained carriage (400) travels in a low pressure tube (100) that is completely sealed in order to maintain the low pressure.

System and controlling vacuum pump in gasoline vehicle with clutch


A system for controlling a vacuum pump in a gasoline vehicle with a clutch includes a clutch installed between a driving source supplying power of an engine and a vacuum pump to selectively interrupt the power supplied from the driving source to the vacuum pump. A pressure sensor is configured to sense a pressure of a vacuum line installed between the vacuum pump and a brake booster.
Hyundai Motor Company


Compact mass spectrometer


A miniature mass spectrometer is disclosed comprising an atmospheric pressure ionisation source, a first vacuum chamber having an atmospheric pressure sampling orifice or capillary, a second vacuum chamber located downstream of the first vacuum chamber and a third vacuum chamber located downstream of the second vacuum chamber. A first vacuum pump is arranged and adapted to pump the first vacuum chamber, wherein the first vacuum pump is arranged and adapted to maintain the first vacuum chamber at a pressure <10 mbar.
Micromass Uk Limited


Plasma processing apparatus and opening and closing mechanism used therein


A plasma etching apparatus 1 includes a processing chamber 2 having a plasma generating portion 3, a processing portion 4, an exhaust portion 5, and a manifold portion 6 defined inside, and an exhaust mechanism 30 for exhausting gas in the processing chamber 2, the exhaust mechanism 30 is composed of a vacuum pump 31 having an intake port connected to an opening 8, a valve body 32 inserted through an opening 9, and a moving mechanism 34 for moving the valve body 32 in upward and downward directions, and the intake port of the vacuum pump 31 is connected to the opening 8 which is formed in a third chamber 2c forming a part of the processing chamber 2.. .
Spp Technologies Co., Ltd.


Triple mode printer


A system for enabling a wide format ink jet printer to print onto discontinuous flexible media. A wide format inkjet printer includes a print head and a feed roller that can be configured as a flat bed printer for printing onto stiff media or as a roll to roll printer for printing onto continuous flexible media.

Dewatering of drilling mud using a filter press


A method of separating a mixture of liquid and insoluble solids in a filter press may comprise: diluting the mixture; adding a flocculating agent to the diluted mixture and stirring to form a chemically processed mixture; pumping the chemically processed mixture into a chamber between two filter plates in the filter press to form a filter cake, wherein the chamber is lined by filter cloths, and wherein, during the pumping, filtrate is forced through the filter cloths and out of the chamber; heating the filter cake in the chamber, wherein, during the heating, filtrate is forced through the filter cloths and out of the chamber; and releasing dried filter cake from the chamber. During the heating, the chamber may be vacuum pumped to facilitate removal of water vapor.

Degassing module


The invention relates to a degassing module (10) having a fluid inlet (34), a degassing component (12), a fluid outlet (36), and a vacuum pump (20). The degassing component (12) and the vacuum pump (20) are integrated to form a unit which includes a mounting interface (30) at which the fluid inlet (34) and the fluid outlet (36) are positioned..

Environmentally suquestered spent fuel pool


An environmentally sequestered nuclear spent fuel pool in one embodiment includes sidewalls and a base slab that confine a water impoundment. The pool includes fuel racks containing spent fuel assemblies which heat the water via radioactive decay.
Holtec International


Vacuum pump


The present disclosure relates to a vacuum pump including a bearing and a lubricant supply system for lubricating the bearing. The lubricant supply system includes: a lubricant reservoir comprising a reservoir matrix for receiving a lubricant; a lubricant transfer arrangement in contact with the reservoir matrix for transferring lubricant from the reservoir matrix to the bearing, the lubricant reservoir including a reservoir enclosure for locating the reservoir matrix in position relative to the lubricant transfer arrangement; wherein the lubricant reservoir includes a plurality of contact regions at which the reservoir matrix is in contact with the reservoir enclosure for locating the reservoir matrix in position relative to the lubricant transfer arrangement and a plurality of spacing regions between respective contact regions at which the reservoir matrix is spaced apart from the reservoir enclosure for receiving gas and lubricant foam caused by outgassing in the lubricant in the reservoir matrix..
Edwards Limited


Vacuum pump


In the vane pump comprising the housing, the vane, and the cap, the sliding surface of the cap is configured as arc shape in the view from the rotational axis direction and the width toward the sliding direction of the cap is configured to be smaller than the width at the sliding angle field which is virtual area for contacting the inner surface of the pump room among the circumference including the arc shape of the sliding surface of the cap and to be bigger than the width at the high loading area where the load added to the sliding surface which is bigger than the predetermined value among the sliding angle field.. .
Taiho Kogyo Co., Ltd.


Rotor for pump


The present invention relates to a rotor for a vacuum pump 150 having a roots pumping mechanism, the rotor comprising at least two hollow lobes 160, 162, 164, 166, each lobe having an outer wall 208 which defines a lobe profile, a hollow cavity 210 generally inward of the outer wall, and at least one strengthening rib 226 located in the cavity to resist stress on the lobes generated during rotation.. .
Edwards Limited


Method for synthesizing poly(butylene succinate-co-butylene adipate)


A method for synthesizing poly(butylene succinate-co-butylene adipate) (pbsa), including: a) adding raw materials including succinic acid, adipic acid, and 1,4-butanediol into a reaction still; increasing the temperature in the reaction still to 130° c., and stiffing the raw materials, then keeping the temperature in the reaction still at 170-200° c., and dehydrating for 1-3 hours at atmospheric pressure, to yield an oligomer of pbsa; and b) decreasing the temperature of the reaction still to 100° c., and adding a composite catalyst system, the total addition of the composite catalyst system accounting for one ten-thousandth to one ten-millionth of a total weight percentage of the raw materials; uniformly stiffing and mixing the composite catalyst system and reactants, slowly vacuum pumping the reaction still, heating the reaction still to a temperature of 200-240° c. And allowing the composite catalyst system and the reactants to react for 10-20 hrs..
Nanjing University


Compact mass spectrometer


A miniature mass spectrometer is disclosed comprising an atmospheric pressure ionisation source, a first vacuum chamber having an atmospheric pressure sampling orifice or capillary, a second vacuum chamber located downstream of the first vacuum chamber and a third vacuum chamber located downstream of the second vacuum chamber. A first vacuum pump is arranged and adapted to pump the first vacuum chamber, wherein the first vacuum pump is arranged and adapted to maintain the first vacuum chamber at a pressure <10 mbar.
Micromass Uk Limited


Sniffing leak detector having a nanoporous membrane


A sniffing leak detector for sucking in and analyzing gas, including a sniffing probe for sucking in the gas, a gas-conveying pump connected to the sniffing probe, and a mass spectrometer connected to a vacuum pump for analyzing the sucked-in gas in a high vacuum. The gas flow through the sniffing probe is conducted along a membrane having gas-permeable pores.
Inficon Gmbh


Charged particle beam device


An evacuation structure of a charged particle beam device includes: a vacuum chamber provided with a charged particle source; vacuum piping connected to the vacuum chamber; a main vacuum pump which is connected via the vacuum piping and evacuates the inside of the vacuum chamber; a non-evaporable getter pump disposed at a position between the vacuum chamber and the main vacuum pump in the vacuum piping; and a coarse evacuation port connected at a position between the vacuum chamber and the non-evaporable getter pump in the vacuum piping the coarse evacuation port includes: a coarse evacuation valve that opens and closes the coarse evacuation port; and a leak valve to open the vacuum chamber to the atmosphere.. .
Hitachi High-technologies Corporation


End closure of a superconductive electric cable


An end closure for a superconductive electric cable which has at least one superconductive conductor which is surrounded by a tubular cryostat serving for conducting a cooling agent, which at its end is surrounded by a housing. The housing (g) has two walls (7, 8) which are separated from each other by an intermediate space (9) and having insulating material, wherein a thermal insulation containing gas is placed in the intermediate space.
Nexans


Vacuum pump


A vacuum pump comprises: a ball bearing which supports a rotor; a holding section which elastically holds an outer ring of the ball bearing; and a grease which is filled between the outer ring and the holding section, the grease having a consistency of nlgi no. 1.5 or less..
Shimadzu Corporation


Stator disk and vacuum pump


A stator disk includes a connection hole for improving exhaust efficiency in a vacuum pump including a seigbahn type molecular pump portion, and a vacuum pump including the stator disk. The vacuum pump according to an embodiment includes a seigbahn type molecular pump portion and includes, in a stator disk disposed therein, a connection hole that connects an upper space (an inlet port side region, an upstream side region) with a lower space (an outlet port side region, a downstream side region) in the axial direction of the stator disk..
Edwards Japan Limited


Wound care devices, apparatus, and treatment methods


A wound care device for delivering topical oxygen therapy, negative pressure wound therapy, and a low intensity vacuum therapy for treatment of a wound. The wound care device may include an oxygen supply mea, an oxygen consuming mea, a vacuum pump and motor, a pressure sensor, and a power supply and electronic controls.

Oral care system


An oral-care system includes a tooth shroud, vacuum hose and a vacuum pump to apply suction to a user's teeth and gums, disrupting the growth of bacterial colonies there. Disrupting and/or removing bacteria can help protect teeth and dental prosthetics, and may be effective to prevent halitosis and systemic diseases that are related to oral flora..

Programmable logic controller-based system and user interface for air sampling in controlled environments


A system and method for sampling air at multiple locations in a controlled environment. The system and method includes automatic adjustment of mass flow rates and duration of vacuum connections (either via time elapsed or indirectly by volume) based on rates set by an operator.
Veltek Associates, Inc.


Deposition apparatus and methods


A deposition apparatus (20) comprising: a chamber (22); a process gas source (62) coupled to the chamber; a vacuum pump (52) coupled to the chamber; at least two electron guns (26); one or more power supplies (30) coupled to the electron guns; a plurality of crucibles (32,33,34) positioned or positionable in an operative position within a field of view of at least one said electron gun; and a part holder (170) having at least one operative position for holding parts spaced above the crucibles by a standoff height h. The standoff height h is adjustable in a range including at least 22 inches..
United Technologies Corporation


Surf wake device for a watercraft


A device to redirect a wake of a watercraft, and a method of use are disclosed. The device includes a main body panel which extends into a flow of water as the watercraft travels through the water, and at least one suction cup which provides connection between the main body panel and a hull of the watercraft.

Organic oil extraction device


An organic oil extraction device. The oil extraction device may comprise: one or more connection ports; a first chamber; a second chamber; a heat source; one or more vacuum pumps; and a burner assembly.
Puretane, Inc.


Hydraulically amplified vacuum pump for prosthetic and orthotic devices


Methods and apparatus are disclosed relating to a mechanical vacuum socket pump used to establish a vacuum in a socket of an artificial limb. In one case, the pump includes a housing within which two pistons coaxially reciprocate.
Otto Bock Healthcare Lp


Apparatus and methods for an atmospheric sampling inlet for a portable mass spectrometer


Atmospheric sampling system designed to minimize cross-contamination between successive samples acquired by a portable, or handheld, mass spectrometer. Techniques to reduce the overall sample load on portable mass spectrometers having limited pumping capacity, such as capture pumps.
Bayspec, Inc.


Fuel vapor canister purge using reversible vacuum pump


A method for a fuel system, comprising: during a first condition, purging fuel vapor from a fuel vapor canister to a fuel vapor accumulator; and then during a second condition, evacuating fuel vapor from the fuel vapor accumulator to a fuel tank. The fuel vapor accumulator increases the volume of the fuel system, providing a temporary storage for desorbed fuel vapor.
Ford Global Technologies, Llc


Substrate processing apparatus, manufacturing semiconductor device, and substrate processing method


With the miniaturization of semiconductors and the increase in the diameter of wafers, the wafer size increases. Therefore, a supply gas flow rate also increases as compared with a process of a conventional wafer size.
Hitachi Kokusai Electric Inc.


Chemical vapor deposition system arrangement


A chemical vapor deposition system, method and arrangement of systems are disclosed. The arrangement of chemical vapor deposition systems includes a first chemical vapor deposition system comprising a first coating chamber, a second chemical vapor deposition system comprising a second coating chamber, and a fluid introduction system comprising a vacuum pump and a fluid introduction arrangement arranged and disposed to introduce a fluid to one or both of the first coating chamber and the second coating chamber for chemical vapor deposition coating.
Silcotek Corp.


Control device for electrically-driven vacuum pump


The invention relates to a control device for an electrically-driven vacuum pump. The control device stops operation of an electrically-driven vacuum pump for generating negative pressure in a negative pressure chamber of a brake booster when the vacuum pump is operated and a gradient of increasing of a booster negative pressure representing a magnitude of a difference between pressure in the negative pressure chamber and the atmospheric pressure is smaller than or equal to a predetermined stop gradient threshold..
Toyota Jidosha Kabushiki Kaisha


Vacuum pumping and abatement system


The present invention relates to a vacuum pumping and abatement system for evacuating processing gas from a process chamber and removing noxious substances from the processing gas. The present invention also relates to a method of purging a vacuum pumping arrangement.
Edwards Limited


2d/3d switching apparatus and display device


The present disclosure provides a 2d/3d switching apparatus and a display device. The 2d/3d switching apparatus includes a switching layer that includes a cylindrical lens grating and a cavity defined by a cylindrical curved surface of the cylindrical lens grating and a cover, a container for storing a transparent liquid that has a refractive index equal to a refractive index of a material of the cylindrical lens grating, and a vacuum pump respectively connected with the cavity of the switching layer and the container.
Beijing Boe Display Technology Co., Ltd.


Pneumatically actuated vacuum pump having multiple venturi gaps and check valves


A pneumatically actuated vacuum pump is disclosed, and includes a body defining a converging motive section, a diverging discharge section, at least one suction port, and a venturi gap. The venturi gap is located between an outlet end of the converging motive section and an inlet end of the diverging discharge section.
Dayco Ip Holdings, Llc


Device and removing gas from a mixture of biomaterials


A device and method for removing gas from a mixture of biomaterials includes a vacuum pump movably positioned within a cavity of a syringe at least partially defining a vacuum chamber. The vacuum pump has a pump body with proximal and distal portions, a stopper connected to the distal portion, and a flow channel.
Nordson Corporation


Oil diffusion pump and vacuum film formation device


Provided is an oil diffusion pump equipped with an oil vapor generator capable of eliminating the problems occurring when a heater wire is used as a heating source for an operating oil. The present invention is a vacuum pump for which an oil vapor generator (70) is arranged within a casing (51) and this oil vapor generator is operated to vaporize an operating oil (8), thereby producing oil vapor and this oil vapor is sprayed from a jet (53, 53a) to exhaust intake air.
Shincron Co., Ltd.


Plasma processing devices having multi-port valve assemblies


A plasma processing device may include a plasma processing chamber, a plasma electrode assembly, a wafer stage, a plasma producing gas inlet, a plurality of vacuum ports, at least one vacuum pump, and a multi-port valve assembly. The multi-port valve assembly may comprise a movable seal plate positioned in the plasma processing chamber.
Lam Research Corporation


Electric motor-driven motor-vehicle vacuum pump, and drive shaft for a motor-vehicle vacuum pump


The invention relates to an electric motor-driven motor-vehicle vacuum pump (1), having a drive shaft (3) which has, in particular, two bearings and extends with a shaft stub (5; 35; 45) in a rotor (8) which is connected fixedly to the shaft stub so as to rotate with it. In the rotor, the shaft stub has a centring region (26, 36; 46) which serves to centre the rotor, without guiding the rotor in the axial direction..
Magna Powertrain Bad Homburg Gmbh


Vacuum shaker systems


The invention relates to improvements in vacuum shakers and more specifically to the integration of multiple shaker units to a common vacuum pump system, to apparatus for controlling the airflow through shaker screens, optimization of slurry transport, and to methods of separating drilling fluid from drill cuttings.. .

Method for manufacturing high purity manganese and high purity manganese


The present invention relates to a method for manufacturing a high purity mn, the method comprising: placing a mn raw material in a magnesia crucible to perform melting with the use of a vacuum induction melting furnace (vim furnace) at a melting temperature of 1240 to 1400° c. Under an inert atmosphere of 500 torr or less; then adding calcium in a range between 0.5 and 2.0% of the weight of mn to perform deoxidation and desulfurization; casting the resultant in an iron mold after the completion of the deoxidation and desulfurization to manufacture an ingot; then placing the mn ingot in a skull melting furnace; reducing pressure to 10−5 torr or less with a vacuum pump; starting heating and keeping the mn in a molten state for 10 to 60 minutes; and then ending the melting reaction for obtaining a high purity metal mn.
Jx Nippon Mining & Metals Corporation


Dishwasher with vacuum drying and method


An automatic dishwasher, having a wash cycle and a drying cycle, includes an openable and closeable washing chamber, at least one spray apparatus inside the washing chamber, and a vacuum pump in fluid communication with the washing chamber. The washing chamber has an interior configured to contain articles to be washed, and is configured to withstand vacuum pressure when closed.



Vacuum Pump topics:
  • Vacuum Pump
  • Fertilizer
  • Fertilizers
  • Semiconductor
  • Stimulator
  • Spinal Cord
  • Implantation
  • Wound Dressing
  • Delivery Tube
  • Internal Combustion Engine
  • Pressure Wound
  • Open Wound
  • Flow Control
  • Stator Core
  • Microwave Plasma


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