|| List of recent Vacuum Pump-related patents
|Rotary vacuum pump|
A rotary vacuum pump, for instance a vane pump, has at least one circumferential groove (6) between facing side surfaces of the rotor (2) and of the rotor guide (3) for receiving a lubricating and sealing fluid. The circumferential groove (6) is a partial annular groove, which has an angular extension of less than 360° and has at least one interruption enabling creating a hydrodynamic fluid bearing in a region opposite a discharge region of the pump (1; 101; 121; 201), over the whole axial extension of the facing surfaces.
|Apparatus and method for reclaiming abrasive blasting material and screening device for separating abrasive blasting material|
An apparatus for reclaiming abrasive blasting material comprises a prime mover, a vacuum pump and a separator unit for separating the abrasive blasting material in the contaminated abrasive blasting material from contaminants. The vacuum pick-up draws the contaminated abrasive blasting material.
The present invention relates to an automotive vacuum pump 10. The vacuum pump 10 has a casing 12 defining a cavity having an inlet 14 and an outlet 16, wherein the cavity contains a rotor 18 and a vane slidably mounted to the rotor 18.
|Apparatus having at least one passage for conducting a gaseous or a liquid operating medium|
An apparatus having at least one passage for conducting a gaseous or a liquid operating medium, in particular a vacuum pump, wherein the passage is closed in a fluid-tight manner at a side by at least one elongate sealing element following the extent of the passage. A method of manufacturing an apparatus having at least one passage for conducting a gaseous or a liquid operating medium includes providing a component with a passage-forming groove..
|Water/steam cycle and method for operating the same|
A water/steam cycle includes a steam generator, a steam turbine, a water cooled condenser and a feedwater pump. The condenser includes within a condenser shell at least one tube bundle with an internal air cooler, which is connected to an external ejector/vacuum pump by means of a suction line.
|Vapor absorption system|
A vapor absorption system adapted to receive a vapor comprising a vacuum pump having an operating liquid wherein the vapor is received by an operating liquid and condensed therein to provide condensed liquid mixed with the operating liquid.. .
|Check valve for an engine vacuum pump|
A rotary vane pump includes a housing that encloses an air chamber. An intake aperture extends to the air chamber.
|Vacuum pump having expansion chamber and method of achieving ultimate pressure state in a vacuum pump using an expansion chamber|
A vacuum pump and a method of controlling the operation of the vacuum pump employ an expansion chamber to reduce a pressure differential between an inlet side and an exhaust side of the pump. In particular, the expansion chamber may be used to rid the pump head of the pump of a pocket of relatively high pressure fluid that accumulates behind a poppet valve disposed over an exhaust opening.
|Scroll vacuum pump and method of 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.
|Liquid-ring vacuum pump|
A liquid-ring vacuum pump comprises a pump casing and a shaft eccentrically mounted in the pump casing. An impeller and a rotor of a drive motor are connected to the shaft.
|Packaged vacuum pump and oil pump, and system and method thereof|
A packaged vacuum pump and oil pump for use in a vehicle generally includes an oil pump module and a vacuum pump module. The oil pump module is configured to circulate oil, and is fitted to a first drive shaft configured to transmit torque to the oil pump module.
|Laboratory heat press|
Laboratory heat press consists of furnace part equipped with dilatometer which is placed beneath removable double-acting pneumatic cylinder anchored on four shafts, of power supply and of computer which regulates process and collects data, while in the working space is situated graphite press die with sample, which is placed on sliding piston holder and the device is equipped with control electronics. Heating equipment is graphite element, and around the element are situated graphite shields made from solid graphite and graphite wool insulation.
|Connector with air extraction|
An electrical connector a semiconductor processing tool is provided. The electrical connector comprises a male connector part having pins and a first holder in which the pins are mounted and a female connector part having sockets and a second holder in which the sockets are mounted.
|System for simulating lung function|
A system for simulating a breathing lung is disclosed. The system comprises a lung model contained within an enclosure, wherein a main bronchus of the lung model is open to ambient air.
|Stator element for a holweck pump stage, vacuum pump having a holweck pump stage and method of manufacturing a stator element for a holweck pump stage|
A stator element for a holweck pump stage has a base shape of substantially cylinder jacket shape or a kit of parts for a stator element for a holweck pump stage which has a base shape of a substantially cylinder jacket shape, wherein the stator element or the kit of parts comprises a plurality of stator parts which are separate from one another, which are assembled to form the stator element or can be assembled to form the stator element. A vacuum pump having a holweck pump stage as well as to a method of manufacturing a stator element for a holweck pump stage or of manufacturing a kit of parts for a stator element for a holweck pump stage are also disclosed..
|Gaseous sample injection valve and gaseous sample injection method using same|
The present invention relates to a gaseous sample injection valve. The gaseous sample injection valve includes a middle body injecting a fixed amount of a gaseous sample into the vacuum chamber of a mass spectrometer, the middle body being constituted by a gaseous sample injection tube, a gaseous sample discharge tube, a storage part, and a vacuum chamber connection tube; an upper body accommodating a first solenoid coil, a first plunger, and a first packing; and a lower body accommodating a second solenoid coil, a second plunger, and a second packing.
A vacuum pump includes at least one vacuum port for releasably connecting the vacuum pump with at least one recipient an elastomeric seal for sealing the vacuum port against atmosphere a diaphragm gland provided on a vacuum side of the vacuum port and at least one of at least one suction channel and at least one suction opening provided between the elastomeric seal and the diaphragm gland.. .
|Device for vacuum treatment of wounds|
A device for vacuum treatment of wounds, the device having a disposable canister for receiving a suctioned wound exudate, and a vacuum pump. The disposable canister is designed to partially enclose the vacuum pump, which is inserted into the canister, and to thereby fix it against movements in non-inserting directions.
|Method for producing high-purity calcium|
The present invention provides a method for producing high-purity calcium, the method being characterized by the following: performing first sublimation purification by introducing calcium starting material having a purity, excluding the gas components, of 4n or less into a crucible of a sublimation vessel, subjecting the starting material to sublimation by heating at 750° c. To 800° c., and causing the product to deposit (evaporate) onto the inside walls of the sublimation vessel; and then, once the calcium that has been subjected to first sublimation purification is recovered, performing second sublimation purification by introducing the recovered calcium again to the crucible to the sublimation vessel, heating the recovered calcium at 750° c.
|Separation and extraction of hydrocarbons from source material|
Systems and methods for extracting recoverable materials from source materials are provided. Source materials are introduced into a furnace.
|Vacuum pump suction filter meant for collecting impurities from function|
A method and system wherein the fluid stream from an object to be evacuated is filtered before it enters into a vacuum pump with a purity of equal to or greater than 99% and a particle size of 0.3 microns or less, with minimum pressure difference, is provided, thereby improving pump life cycle and process performance.. .
|Air permeability apparatus|
An air permeability apparatus has a test head with an opening, a vacuum pump, a clamping arm and an orifice disk that is rotatable around its central axis. The orifice disk is arranged between tubes and the vacuum pump and has a plurality of orifices.
|Vacuum pump with abatement function|
A vacuum pump includes a vacuum pump having a discharge port to which an abatement part for treating an exhaust gas discharged from the vacuum pump to make the exhaust gas harmless is attached. The vacuum pump includes a cylindrical member having an exhaust gas introduction port for introducing the exhaust gas to be treated and a gas outlet port for discharging gases which have been treated, a plurality of fuel nozzles provided at a circumferential wall of the cylindrical member for ejecting a fuel, and a plurality of air nozzles provided at the circumferential wall of the cylindrical member for ejecting air so as to form a swirling flow of air along an inner circumferential surface of the circumferential wall.
|Methods and systems for maintaining a high vacuum in a vacuum enclosure|
A system for maintaining a high vacuum in a vacuum enclosure such as cryostat, for example, is described. The system includes a high-vacuum pump having an input that is connected to the cryostat and an output.
Provided is a vacuum pump in which the flexing of a rotating cylinder made of a fiber-reinforced resin can be reduced as much as possible to sufficiently reduce the gap between the rotating cylinder and a fixed cylinder, and exhaust performance can thereby be improved to great effect. A vacuum pump comprising a thread groove pump portion equipped with a fixed cylinder portion (2) having a spiraling thread groove portion (1) provided in an internal peripheral surface, and a rotating cylinder portion (3) placed inside the fixed cylinder portion (2), the thread groove pump portion exhausting through a spiraling exhaust flow channel due to the rotating cylinder portion (3) being caused to rotate, and the exhaust flow channel being formed from the thread groove portion (1) and an external peripheral surface of the rotating cylinder portion (3).
|Vacuum pump connecting apparatus and method for installing vacuum pump connecting apparatus|
A vacuum pump connecting apparatus has a first vibration absorbing portion and a second vibration absorbing portion which are connected to an evacuation connection portion so as to dispose the first vibration absorbing portion and the second vibration absorbing portion opposite each other via the evacuation connection portion. The first vibration absorbing portion is connected to an intake port of a vacuum pump at a second end of the first vibration absorbing portion opposite to a first end of the first vibration absorbing portion connected to the evacuation connection portion.
|Vacuum pump with abatement function|
A vacuum pump has an abatement part for treating an exhaust gas discharged from a chamber of a manufacturing apparatus to make the exhaust gas harmless. The vacuum pump includes a heat exchanger configured to heat an inert gas by using heat generated when the exhaust gas is treated to be made harmless in the abatement part.
|Multi-stage vacuum pump|
A multi-stage vacuum pump may include a sealing arrangement for sealing between the stator components of the pump. The end seals of the arrangement comprise an annular portion for sealing between end stator components and shell components and axial portions which extend from the annular portion and together with separate axial seals seal between the shell components..
|Liquid-ring vacuum pump and impeller for a liquid-ring vacuum pump|
A liquid-ring vacuum pump comprises a pump casing and an impeller that is eccentrically mounted in the pump casing. The impeller is made of a material having a modulus of elasticity of less than 4000 n/mm2..
|Cryopump and vacuum pumping method|
A cryopump includes a first cryopanel including a radiation shield and a plate member across a shield opening and a second cryopanel enclosed by the first cryopanel and cooled to a lower temperature than that of the first cryopanel. The plate member includes a plate main portion and a plate peripheral portion adapted to attach the plate main portion to the radiation shield.
|Cryopump and method for vacuum pumping non-condensable gas|
A cryopump includes: a radiation shield that includes a shield front end that defines a shield opening, a shield bottom portion, and a shield side portion that extends between the shield front end and the shield bottom portion; and a cryopanel assembly that is cooled to a lower temperature than that of the radiation shield. The cryopanel assembly includes a first panel arrangement including a plurality of first adsorption panels and a plurality of second panel arrangements each including a plurality of second adsorption panels.
|Vacuum assisted dehydration system|
A vacuum assisted dehydration system including a vacuum chamber, a gas compressor, a heating coil, and a vacuum pump is provided. A sealing member removably attached to an opening of the vacuum chamber is opened to introduce one or more instruments into the vacuum chamber.
A cleaning system used for removing contaminant particles on a surface of an image sensor is provided. The cleaning system includes an gas blower, two plate electrodes parallel to each other, and a high frequency voltage source.
|Portable regulated pressure devices for medical procedures|
In various embodiments of the invention, a vacuum pump can be used as a stand alone unit to create, monitor and control a vacuum in a variety of surgical procedures. The vacuum pump can be controlled by a processor and automatically increases or decreases the vacuum based on monitoring of parameters selected from the group consisting of heart-rate of the fetus, heart rate of the mother, heart rate of patient, blood pressure of the fetus, blood pressure of the mother and blood pressure of the patient, position of the wound, position of the fetus, condition of the fetus, condition of the mother, condition of the patient.
|Therapeutic apparatus and therapeutic method|
A therapeutic apparatus, which treats fatigue of the whole body, is provided. A plurality of speakers/sensors which apply an oscillating pressure to a subject are provided.
|Semiconductor annealing method utilizing a vacuum environment|
A semiconductor annealing method and system uses a vacuum pump to produce a vacuum environment in the annealing chamber to thereby remove undesired gas element influences. A control system obtains pressure and temperature measurements from the annealing chamber to control operation of the heating elements and vacuum pump to thereby maintain process integrity..
|Apparatus and methods for reducing particles in semiconductor process chambers|
Embodiments of the present disclosure generally provide various apparatus and methods for reducing particles in a semiconductor processing chamber. One embodiment of present disclosure provides a vacuum screen assembly disposed over a vacuum port to prevent particles generated by the vacuum pump from entering substrate processing regions.
An estimating section detects a signal including counter electromotive voltage information of the motor, and estimating a magnetic pole electric angle and a rotational speed of the motor. A driving current controller repeats generation and cut-off of the driving current supplied from a power supply to the motor via the inverter circuit or regenerated from the motor to the power supply in a low-speed period between a stopped state and a predetermined rotational speed in an accelerating operation at a motor starting time or a decelerating operation at a motor stopping time.
A vacuum pump comprises an exhaust portion having a plurality of rotating blade portions arranged in multiple stages, each of the rotating blade portions having a plurality of rotor blades, and a plurality of stationary blade portions arranged between the rotating blade portions, in which outer circumferential rims are supported via spacers, each of the stationary blade portions having a plurality of stator blades. In at least one stationary blade portion among the plurality of stationary blade portions, a blade height on the inner circumferential side of the plurality of stator blades provided in the stationary blade portion is set to be smaller than a blade height on the outer circumferential side, and the stationary blade portion is supported by the spacers in such a manner that the inner circumferential side of the stationary blade portion is floated up toward an intake port side..
|Selectively modifiable layer for alteration of appearance or texture|
A movable robotic structure including a frame or substrate, an outer skin connected to at least a portion of the frame and a vacuum source in fluid communication with the outer skin. The vacuum source, such as a vacuum pump, is activated to pull the outer skin into engagement with an outer surface of the frame.
|X-ray tube comprising field emission type electron gun and x-ray inspection apparatus using the same|
An x-ray tube and an x-ray inspection apparatus using the x-ray tube have improved workability of the baking for obtaining an ultra-high vacuum of the x-ray tube having a field emission type electron gun, and have stable performance. The x-ray tube includes a field emission type electron gun chamber, an electron beam aperture, an x-ray target and a vacuum pump in one body with a vacuum sealing structure (vacuum tube section).
|Method and device for recycling water vapor evaporated from coal drying with vacuum condensing process|
A method is provided for purifying and recycling water vapor from a coal drying process and device which employ temperature reduction and dehumidifying, a flash distillation, and vacuum condensation. With a condensed tower, a high humidity exhaust gas is preliminarily lowered in temperature, and condensed water of 5˜60° c.
A coating apparatus including an evaporation part, a thermal decomposition part, a deposition chamber, a vacuum pump, and a discharge pipe. The deposition chamber includes an upper portion, a lower portion facing the upper portion, and a sidewall portion connecting the upper portion and the lower portion to each other and including an inlet, first outlet, a second outlet, a third outlet and a fourth outlet.
Each of the stationary blade portions is formed by two or more divided stationary blade portions, and has abutting ends in both circumferential ends, the stationary blade portion is formed by abutting the abutting ends of the divided stationary blade portions with each other. Each of the divided stationary blade portions has an outer circumferential rim nipped by the spacers, an inner circumferential rim positioned in a front end on the inner circumferential side of the stationary blade portion, and a plurality of stator blades formed between the outer circumferential rim and the inner circumferential rim.
|Device and method for 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.
|Process for obtaining highly pure methane from biogas, and plant for carrying out the process|
A process and a plant for obtaining highly pure methane from biogas where biogas coming from a fermenter is compressed and fed to at least one membrane unit having a selectively permeable membrane, which provides a product gas stream containing an elevated proportion of methane and a gas stream containing a reduced proportion of methane. A quality sensor may be arranged in the outlet line for the highly pure product gas.
|Chemical analysis instrument with multi-purpose pump|
A mass spectrometer for analyzing a sample may include an analysis chamber for analyzing the sample and a first vacuum pump operably connected to the analysis chamber, wherein the first vacuum pump operates to create a first vacuum state. The mass spectrometer may also include a sample-preparation chamber operably connected to the analysis chamber and a second vacuum pump that operates to create a second vacuum state, wherein the first vacuum state is a lower pressure than the second vacuum state.
A reactor tank is provided having an enzyme inlet, a heating jacket positioned around the exterior center of the tank, a gas outlet communicating with a vacuum apparatus and a condensing unit, a first gas inlet for receiving gas from a feed tank and a first liquid outlet for recirculating the liquid back to the feed tank. The tank further includes a sparged unit connected to the first gas inlet for receiving gas from the feed tank and a screen positioned between the sparged unit and the first liquid outlet.
|Electric vacuum pump|
In an electric vacuum pump, a pump housing and a lower-end cover member respectively include positioning retainers respectively formed on outer peripheries of the pump housing and the lower-end cover member. A case includes positioning retainers each protruding inward from an inner peripheral surface of the case.
A vacuum pump has at least one side passage pump stage which comprises a side passage bounded by at least one stator element and having a coolant circuit for cooling the vacuum pump with a coolant, wherein the coolant circuit has at least one coolant passage for the side passage pump stage which is bounded at least regionally by the stator element.. .
|Film-forming apparatus and film-forming method|
A film-forming apparatus (100) includes: a vacuum chamber (30) configured to store a substrate (34b) in which a through-hole is formed and a source of copper emission (35b); a vacuum pump (36) configured to decompress an interior of the vacuum chamber (30) to a predetermined degree of vacuum; a power supply (80) configured to generate electric power applied to the substrate (34b); and a driving mechanism for use in setting a distance between the substrate (34b) and the source of copper emission (35b). When a copper material emitted from the source of copper emission (35b) is deposited on one main surface of the substrate (34b) to block an opening of the through-hole in the one main surface by means of a deposited film formed of the copper material, a blocked state of the opening blocked by the deposited film is adjusted based on the distance and the electric power..
|Positive crankcase ventilation system|
A positive crankcase ventilation system for an internal combustion engine (ice) includes an engine crankcase, an intake manifold disposed in downstream gas flow communication with the engine crankcase, an air induction system disposed in upstream gas flow communication with the engine crankcase, and a vacuum pump disposed in gas flow communication between the air induction system and the engine crankcase. Operation of the vacuum pump facilitates air flow from the air induction system to the engine crankcase, and from the engine crankcase to the intake manifold..
|Apparatus for medical sterilization using plasma|
The present invention relates to an apparatus for sterilization which may be applied to a medical dry sterilizer, and more particularly, to an apparatus which injects hydrogen peroxide so as to generate plasma and oh radicals which are effective in sterilization, so as to achieve the sterilization of a treated object. According to the present invention, the apparatus for sterilization comprises: a sterilizing reactor in which sterilization is performed on a treated object; a vacuuming unit which is equipped with a vacuum pump connected to the sterilizing reactor and which vacuumizes the interior of the sterilizing reactor; a hydrogen-peroxide supply unit which supplies hydrogen peroxide in a gas state to the interior of the sterilizing reactor; and a microwave-plasma generating unit which generates plasma using microwaves.
|Vacuum pump with rotor-stator positioning to provide non-return|
A rotary-vane vacuum pump comprises a stator and a vaned rotor, the stator partly defining an outlet chamber and including an outlet passage opening to the outlet chamber. The rotor is rotatably sealed to the stator; it has a sealing area to block the outlet passage, and, an unsealing area alignable with the outlet passage by rotation of the rotor to periodically unblock the outlet passage.
|Vacuum pump motor rotor, motor including same and vacuum pump|
In order to provide a motor rotor in which a permanent magnet is prevented from corroding, wherein a motor rotor for use in a motor for driving a pump rotor rotating shaft of a vacuum pump is provided which comprises a rotor core made up of a plurality of steel plates which are laminated in an axial direction and having a through hole, a permanent magnet which is disposed in the through hole, and end plates which are attached individually to axial end portions of the rotor core, wherein an adhesive is applied to a whole surface of each of the plurality of steel plates, and the plurality of steel plates are surface joined to each other and to the end plates via the adhesive.. .
|Stator member and vacuum pump|
To provide a stator member that facilitates thermal radiation from a surface thereof and thermal conduction to an adjacent member, and a vacuum pump that contains the stator member. For the purpose of enhancing heat dissipation of a rotor portion, surface treatment removal processing is performed on a predetermined section of a thread groove spacer in order to efficiently release heat of the thread groove spacer toward a base and a stator blade spacer.
A vacuum pump, in particular to a turbomolecular pump, has a pump inlet, a pump outlet and a pump space for a gas to be pumped arranged between the pump inlet and the pump outlet, and at least one cooling gas inlet for a cooling gas for cooling the vacuum pump, the pump further having one or more hollow regions for the cooling gas connected in a gas conducting manner to the cooling gas inlet and arranged outside the pump space, wherein the or each hollow region is bounded by at least one component of the vacuum pump to be cooled.. .
|Method and system for cleaning a vacuum chamber|
A system and method are described, for use in cleaning of a vacuum chamber. The method comprising connecting a vacuum chamber to a plasma generating unit via a plasma connection port and connecting the vacuum chamber to a high vacuum pumping unit via a pumping port.
|Control device for internal combustion engine|
An electronic control device for controlling an internal combustion engine reduces operation amounts of a high-pressure fuel pump and a vacuum pump, which are auxiliary devices driven by drive force of an intake camshaft, when a rotor of a variable valve timing mechanism is rotated to a lock phase in the phase advancing direction at the engine starting. Thus, the rotor rotates to the lock phase quickly and is fixed to the lock phase..
|Cryopump and method of operating the cryopump|
A cryopump includes a high-temperature cryopanel, a low-temperature cryopanel, and a cooling system. The cooling system has: a refrigerator provided with a first stage for cooling the high-temperature cryopanel and a second stage for cooling the low-temperature cryopanel; and a control unit configured to control a cool-down operation in which the first stage and the second stage are cooled in order to initiate a vacuum pumping operation of the cryopump.
|Method for fastening a cover plate to a frame structure|
A method for fastening a cover plate (6) to a frame structure (1) formed on the cover plate (6) is to easily and rapidly allow the erection of faces that are stable and durable in the long term and simultaneously, in the case of vacuum insulating panels, allow particularly good preservation of the vacuum in the panels. For this purpose, the frame structure (1) comprises a cavity (12), a number of channels (2) connecting the cavity (12) to the surface (4) and an opening (8) to connect a vacuum pump (10), the vacuum pump (10) being connected to the opening (8) and put into operation, the cover plate (6) being arranged on the surface (4) above the channels (2), and the cover plate (6) being fixed to the surface (4)..
|Vacuum pump/ air and gas compressor|
A pump housing for a pump/compressor includes a front portion and a back portion. The front portion includes an opening forming a motor bearing pocket for seating a motor bearing and through which a motor shaft extends towards the back portion, at least one vent hole radially outwardly spaced from the opening for cooling, and a protrusion extending outward from the front portion, wherein the protrusion is configured to locate a motor housing.
A vacuum pump for generating an underpressure has a pump chamber (14, 15) with an inlet (143) and an outlet (150), wherein the outlet (150) is equipped with a valve (3). According to the invention, the pump chamber (14, 15) is provided with a pressure sensor (23, 23′, 24).
|Integrated lower-plate glass and manufacturing method of vacuum multi-layer glass including same|
Disclosed are an integrated lower-plate glass which comprises a lower layer glass plate; a rim part which is formed with a certain height along an edge portion of the lower layer glass plate; a getter which is configured to absorb moisture and gas generating from the space part after the space part is vacuumed; at least one getter insertion part which is formed at one side of the upper layer glass plate holding part, the getter being inserted into the getter insertion part; and an exhaust pipe one end of which is connected to the getter insertion part, and the other end of which is connected to a vacuum pump for thereby making the space part become a vacuum state.. .
|Device for suction of liquids and/or particles from body orifices|
The invention relates to a device for suction of liquids and/or particles from body orifices, wherein the device comprises a suction channel (16) through which the liquid and/or particles can be aspirated and a vacuum pump (14) for generating an underpressure in the suction channel (16). The suction channel (16) is provided with an opening for supplying additional air for adjusting the underpressure, wherein the volume flow of this additional air is adjustable via an additional air adjustment unit (24).