|| List of recent Circulation-related patents
| Commercial credit circuit|
A system is compatible with money and is usable to settle debts and/or for providing liquidity in a marketplace. The system uses standardized claims on future payment in an administrative process to provide a source for settlement of obligations between parties and to extend the period in which cash is not needed as a tool for commerce.
| Cardiac resuscitation methods and kits|
The invention provides methods of improving circulation in a subject undergoing a cardiac resuscitation protocol, reducing the risk of stroke in a subject undergoing a cardiac resuscitation protocol, improving the efficacy of cardiac resuscitation in a subject undergoing a cardiac resuscitation protocol, and providing cardiac resuscitation to a subject having cardiac arrest. Also provided are kits including a composition containing at least one vasoconstrictor formulated for systemic administration, and a composition containing at least one vasodilator formulated for nasal administration..
| Process for producing water-absorbing polymer particles|
The invention relates to a process for producing water-absorbing polymer particles, comprising polymerization, drying the resulting polymer gel on a through circulation belt dryer, crushing the dried polymer gel, pre-grinding, separating of incompletely dried particles with a perforated plate, grinding and classifying the resulting polymer particles.. .
| Three door structure for partial recirculation in an air conditioning system|
A heating, ventilation and air conditioning system includes a blower unit that has an interior air intake and an exterior air intake. Three doors are moved between open and closed positions to define a recirculation mode, a fresh mode and a partial recirculation mode.
| Three door structure for partial recirculation in an air conditioning system|
A heating, ventilation and air conditioning system includes a blower unit that has a first interior air intake, a second interior air intake and an exterior air intake. Three doors are moved between open and closed positions to define a recirculation mode, a fresh mode and a partial recirculation mode.
| Method for producing ethanol and solvents from lignocellulosic biomass including the recirculation of a butyl wine obtained by fermenting pentoses|
F) butylic fermentation of pentoses contained in vinasses obtained in e2) by a solventogenic microorganism and production of butyl wine; at least a portion of butyl wine is recycled upstream from at least one enzymatic hydrolysis and/or ethylic fermentation.. .
| Cooling system for a fuel cell|
The invention relates to a cooling system for a fuel cell, comprising a main heat-transfer-fluid circuit including a circulation pump (6) and a heat exchanger (8) with the exterior, which feed an upstream pipe (12) supplying the fluid to the cells (4) of the fuel cell, said fluid leaving the cells via a downstream pipe (14) in order to return to the main pump. The invention is characterised in that the main circuit comprises a three-port controlled valve (10, 16) on each upstream (12) and downstream (14) pipe, the third available port (10c) of the upstream pipe (12) being connected to the inlet of the pump (6) and the third available port (16c) of the downstream pipe (14) being connected to the outlet of the pump in order to establish a secondary fluid circuit..
| Electromagnetic circulation pump|
A fluid pump assembly is used in combination with a container having a wall. The pump assembly comprises a first casing disposed outside the container, a first magnetic assembly including a stationary magnetic drive member non-rotatably mounted to the first casing, a second casing disposed inside the container, and a rotatable second magnetic assembly mounted to the second casing and including a rotatable magnetic driven member drivingly coupled to a fluid motion imparting device.
| Hydraulic motor-driven bearing lubrication system for a centrifugal pump|
A bearing lubrication system for a centrifugal pump includes a hydraulic recirculating pump that is structured to provide recirculation of a fluid to and from the motor that drives the impeller of the centrifugal pump, and a system of efferent and afferent conduits that are connected to both the motor and the bearing housing of the centrifugal pump to direct lubricating fluid to or from the bearings, and to or from the motor for recirculation to the hydraulic recirculating pump, thereby utilizing the lubricating fluid used to lubricate the drive motor as a means of lubricating and cooling the bearings that support the rotating shaft of the pump.. .
| Power electronics system with liquid cooling system|
A power electronics system includes a multipart housing having three housing elements of cuboid basic structure to define a central element with inlet and outlet ports for a cooling liquid, an upper and lower cover elements which are arranged on opposite connection surfaces of the central element. A plurality of power electronics switching devices is accommodated in the housing, and a condenser device having condenser connection elements is arranged in the central element of the housing> further provided is a liquid cooling system having at least one first upper cooling chamber between the central element and the upper cover element, and at least two first and second lower cooling chambers between the central element and the lower cover element.
| Liquid discharge apparatus and liquid discharging method|
A liquid discharge apparatus includes an ink tank configured and arranged to retain sedimentary ink, a head configured and arranged to discharge the sedimentary ink, an ink tube configured and arranged to supply the sedimentary ink from the ink tank to the head, and a circulation pump configured and arranged to circulate the sedimentary ink in the ink tube. A connection section between the ink tube and a pipe of the circulation pump is provided at one of a horizontal section of the ink tube and an upper portion of a vertical section of the ink tube..
| Droplet ejection apparatus and maintenance method thereof|
A maintenance method of a droplet ejection apparatus is provided, which droplet ejection apparatus includes: a droplet ejection head including a plurality of head modules, each head module being configured to be replaced independently; and a liquid circulation and supply unit configured to circulate and supply liquid to be ejected from each head module, to each head module. The maintenance method includes circulating and supplying the liquid to the head modules other than the head module that is a replacement target, when replacing the head module..
| Temperature based electric machine control|
A vehicle having at least one electric machine capable of propelling the vehicle is provided. An oil circulation path is provided that circulates oil through the electric machines.
| Suspension fork, in particular for a bicycle|
A damper device for a bicycle suspension fork has a magneto-rheological damping medium. A piston partitions a damper chamber into first and second chambers that are connected via a return duct, an adjustable throttle valve, and a transfer duct.
| Furnace controller and a furnace that controls a gas input rate to maintain a discharge air temperature|
Provided herein are embodiments of a multistage gas furnace, a controller therefor and a computer-usable medium having non-transitory computer readable instructions stored thereon for execution by a processor to perform a method for operating a gas furnace. In one embodiment, the gas furnace includes: (1) a burner, (2) a circulation fan and (3) a furnace controller.
| Reduced isotropic etchant material consumption and waste generation|
Methods and apparatus for isotropically etching a metal from a work piece, while recovering and reconstituting the chemical etchant are described. Various embodiments include apparatus and methods for etching where the recovered and reconstituted etchant is reused in a continuous loop recirculation scheme.
| Distillation column and method for distilling acrylic acid|
A distillation column with external circulation evaporator and a sedimentation zone in the bottom of the column, from which the evaporator circulation is fed, and use of the distillation column according to the invention for the distillation of acrylic acid.. .
| System for connecting a power-supply battery of a motor vehicle|
A system for connecting a power-supply battery to a motor vehicle, including a device for ventilating the battery, and a multi-connection plate which includes openings for connecting to at least two ducts for circulating a heat-transport fluid, and for connecting to the battery so as to connect the at least two ducts to an inner circulation circuit of the battery.. .
| Hydraulic disconnect apparatus and method of use|
A hydraulic disconnect apparatus is disclosed for disconnecting a pipe string or coiled tubing string from a bottom hole assembly for drilling, work over, or plug and abandonment of oil and gas wells. Disconnection is accomplished by pumping a circulation ball from surface through the pipe or coiled tubing string until it lands on a seat inside the apparatus.
| Wellbore servicing compositions and methods of making and using same|
A method of servicing a wellbore in a subterranean formation comprising placing a wellbore servicing fluid comprising a lost-circulation composite material into a wellbore, wherein the lost-circulation composite material comprises a swellable component and a reinforcing component. A wellbore servicing fluid comprising a reinforcing component disposed within a swellable component wherein the swellable component comprises a crosslinked polymer..
| Multiple gas turbine forwarding system|
A fuel forwarding skid for delivering fuel from a storage area to a plurality of turbines includes at least two pumps for delivering fuel to a skid outlet line. A flow control device is connected to the pumps to control an output of the pumps.
| Multi-position valve actuators|
Detailed are actuators especially useful in connection with valves forming parts of water-recirculation systems of pools or spas. Transit times of components of the actuators may be measured or otherwise determined and signals sent to the actuators to cease movement of the components between boundary positions.
| Dishwasher comprising a storage tank|
The present invention relates to a dishwasher (1) comprising a washing tub (2) wherein the items to be washed are placed, a receptacle (3) disposed at the lower portion of the washing tub (2), wherein the water in the washing tub (2) is collected during the washing process, a pump (4) which returns the water accumulated in the receptacle (3) to the washing tub (2), a storage tank (5) wherein the water used in any one washing step of the washing cycle is stored for using in the next washing step or in the next washing cycle, an additional pump (6) providing the water collected in the receptacle (3) to be pumped into the storage tank (5), an additional conduit (7), one end connected to the receptacle (3), the other end to the additional pump (6), at least one inlet port (8) disposed on the receptacle (3), whereto the additional conduit (7) opens and a microfilter (9) disposed at the center of the receptacle (3), that holds the dirt carried with the water passing from the receptacle (3) to the water circulation conduit, the discharge conduit or the additional conduit.. .
| Methods of reusing liquid in a dishwasher|
Methods of operating a dishwasher having a treating chamber, a sump fluidly coupled to the treating chamber, a sprayer for spraying liquid in the treating chamber, a recirculation pump fluidly coupled to the sump and the sprayer to recirculate the sprayed liquid from the sump to the sprayer, and a reuse tank for storing liquid. The methods remove and store liquid that do not include sedimented soil particles..
| Oxygen fraction estimation for diesel engines utilizing variable intake valve actuation|
A physically-based, generalizable method to estimate the in-cylinder oxygen fraction from production viable measurements or estimates of exhaust oxygen fraction, fresh air flow, charge flow, fuel flow, turbine flow and egr flow. The oxygen fraction estimates can be sensitive to errors in the egr and turbine flow, and in other embodiments, a high-gain observer is implemented to improve the estimate of egr flow.
| Exhaust gas recirculation apparatus and method for forming same|
An exhaust gas recirculation cooler for internal combustion engines and a method of forming same. One or more cooler tubes incorporate a flexible section, comprised of one or more integrally formed convolutions, with a tube and fin architecture.
| Egr cooler condition module and associated system|
An apparatus for determining a condition of an exhaust gas recirculation (egr) cooler of an internal combustion engine includes a clean egr cooler module that is configured to estimate the temperature of exhaust gas exiting a clean egr cooler. The apparatus also includes a fouled egr cooler module that is configured estimate the temperature of exhaust gas exiting a fouled egr cooler.
| Combustor shell air recirculation system in a gas turbine engine|
A shell air recirculation system for use in a gas turbine engine includes one or more outlet ports located at a bottom wall section of an engine casing wall and one or more inlet ports located at a top wall section of the engine casing wall. The system further includes a piping system that provides fluid communication between the outlet port(s) and the inlet port(s), a blower for extracting air from a combustor shell through the outlet port(s) and for conveying the extracted air to the inlet port(s), and a valve system for selectively allowing and preventing air from passing through the piping system.
| Method for operating a gas turbine engine including a combustor shell air recirculation system|
During full load operation of gas turbine engine operation, a valve system is maintained in a closed position to substantially prevent air from passing through a piping system of a shell air recirculation system. Upon initiation of a turn down operation, which is implemented to transition the engine to a turning gear state or a shut down state, the valve system is opened to allow air to pass through the piping system.
| Integrated hydraulic supply pump|
A hybrid electric drive system including a hydraulic power system for a hybrid powered vehicle which includes a transmission, and a combustion engine and an electric motor both mechanically coupled to the transmission to provide engine and/or motor drive power for the vehicle. A plurality of hydraulic circuits communicate with an electrically driven hydraulic pump.
|Method and system for non-invasive functional assessment of coronary artery stenosis|
A method and system for non-invasive assessment of coronary artery stenosis is disclosed. Patient-specific anatomical measurements of the coronary arteries are extracted from medical image data of a patient acquired during rest state.
|Dilution guided correction (dgc) method and apparatus for adjusting noninvasively measured total hemoglobin measurements and method for evaluating hydration state of a subject using the same|
Methods and devices are provided for real time adjustment of noninvasively measured capillary hemoglobin concentration measures for a prediction of invasively measured hemoglobin concentration in large vessels and evaluating and modifying the state of interstitial hydration of an individual by the mvlt method. Implication of mvlt was refined by adding new diagnostic criteria and new variables, also expanding its noninvasive applicability.
|High throughput reactor assembly for polymerization of olefins|
Reactor assembly for the production of polymers including a fluidized bed reactor (1) comprising a bottom zone (5), a middle zone (6) and an upper zone (7), an inlet (8) for the fluidization gas located in the bottom zone (5), an outlet (9) for the fluidization gas located in the upper zone (7); the outlet (9) for the fluidization gas being coupled with the fluidized bed reactor (1) via inlet (8) via a gas circulation line; means for separation of solids from gas (2) being connected to said gas circulation line; the equivalent cross-sectional diameter of the upper zone (7) being monotonically decreasing with respect to the flow direction of the fluidization gas through the fluidized bed reactor; the middle zone (6) having an essentially constant equivalent cross-sectional diameter with respect to the flow direction of the fluidization gas through the fluidized bed reactor; the equivalent cross-sectional diameter of the bottom zone (5) being monotonically increasing with respect to the flow direction of the fluidization gas through the fluidized bed reactor; characterized in that the ratio of the height of the fluidized bed reactor to the equivalent cross-sectional diameter of the middle zone of the fluidized bed reactor is from 2 to 10; and whereby said upper zone (7) is directly connected to said middle zone (6).. .
|Induction of arteriogenesis|
The present invention inter alia relates to a method of promoting collateral circulation comprising the step of exposing a subject to a therapeutically effective amount of an no donor wherein the therapeutically effective amount of the no donor promotes arteriogenesis sufficient to augment collateral circulation in a physiological or pathological condition.. .
|Curable composition for use as lost circulation material|
The present invention relates to compositions and methods for reducing or preventing the loss of drilling fluids and other well servicing fluids into a subterranean formation during drilling or construction of boreholes in said formation. Specifically, this invention comprises a curable composition capable of free radical polymerization for creating lost circulation material in-situ.
|Large oncosomes in human tumors and in circulation in patients with cancer|
The invention provides methods for isolating large oncosomes and determining cancer metastasis based on the presence of large oncosomes in a subject in need thereof.. .
|Preparation device for mass-spectrometric samples|
Devices for the preparation of a plurality of samples on mass-spectrometric sample supports are presented, where the samples are prepared by the application of liquids such that they are suitable for ionization in a mass spectrometer, for example ionization by matrix-assisted laser desorption (maldi). The invention proposes that the dispenser and sample sites are positioned with respect to each other by means of two rotations about two eccentric axes.
|Heating circulation pump|
The heating circulation pump includes a pump housing with a pump impeller which is arranged therein and which is driven by an electric motor whose stator housing includes a flange, which connects to the pump housing. The heating circulation pump includes a terminal box housing for at least the electric connection of the motor.
|Battery testing system with energy circulation|
A battery testing system with energy circulation includes a battery module to be tested, an electric power storage module, a bi-directional conversion module and a control module, and the control module controls the bi-directional conversion module to discharge the electric power storage module and charge the battery module to be tested, or discharge the battery module to be tested and charge the electric power storage module, so that the electricity can be fully and repeatedly used, and the electric power storage module can use a second-used power battery to save the cost of the electric power storage module while the battery testing system can be isolated from the grid of utility power to avoid creating a burden to the grid of the utility power.. .
|Integrated scr metering injection system|
The invention discloses an integrated scr metering injection system. The integrated scr metering injection system includes a metering injection unit and a water heating unit for heating the metering injection unit.
|System for treating ballast water in ballast tanks|
A system for treating ballast water in ballast tanks onboard vessels is provided. The system comprises one or more ballast tanks, a circulation pump circulating or recirculating, via a tubing, ballast water from and to the one or more ballast tanks, a nitrogen and/or carbon dioxide generator connected to the tubing on the delivery side of the recirculation pump in such a manner that nitrogen and/or carbon dioxide can be supplied to the ballast water, and one or more nozzle heads functionally connected to the tubing and arranged in one or more ballast tanks.
|Seawater, brine or sewage solar desalination plant, and desalination method|
A tent or covering with a pyramid-shaped structure, with an inner dark-coloured sheet and an outer transparent sheet, installed on a supporting base anchored to the ground or on floats on the surface of the sea, wherein in the apex of the pyramid there are included vaporizers with micronebulisers for nebulising the water to be treated, a device for capturing humid air through a continuous or sectioned condensation column and for subsoil distillation and heat dissipation in the smaller, water-collecting tank and recirculation of the air devoid of humidity into the enclosure. In addition, it includes a computerised control system of the processes includes controls of the air and nebulised water flow rates and of the working regime of the facility..
|Shearable drill pipe and method|
The method of shearing drill collars used in the drilling of oil and gas wells, comprising providing an outer sleeve of a first material for carrying structural loads, providing a second material within the outer sleeve which is lower in shear strength and is greater in unit weight than the first material, and providing a hole in the second material for the circulation of fluids.. .
|System and method for recovery and cooling of steam and high temperature condensate|
The present invention is directed to a system for recovery and cooling of steam and high temperature condensate and disposed between a feed water source and a steam source comprising a fluid circulation loop between the steam source and the feed water source including a steam trap that receives a mixture of steam and high temperature condensate from the steam source, wherein the steam trap discharges high temperature condensate from the steam source, and a fluid cooling mechanism which receives the high temperature condensate from the steam trap and cools the high temperature condensate.. .
|Water recirculation system|
A water recirculation system for a shower unit comprises a plurality of reservoirs and switching means for selecting from which of the reservoirs the shower unit receives water. A pump recirculates water from a waste trap of the shower unit to the active reservoir.
|Hot tub boat and methods of assembling and using same|
A maneuverable, rigid-hulled, water vessel having a hot tub recessed into or otherwise installed into a rigid boat hull. The vessel, which takes the form of a “hot tub boat,” can float on a body of water, be maneuverable while being propelled on the water, may be towed on the water, and may be moored at a dock.
A liquefier system includes: a feed line configured to feed a raw material gas from a raw material supply source such that a pressure of the raw material gas in a predetermined portion of the feed line is kept higher than or equal to a predetermined pressure; a cooling medium circulation line configured to cause a cooling medium to circulate; a static pressure gas bearing configured to be supplied with the gas that has a pressure higher than or equal to the predetermined pressure and to rotatably support a rotating shaft of an expansion turbine; and a bearing supply line configured to connect the predetermined portion of the feed line and a gas inlet of the static pressure gas bearing, such that the gas is supplied to the static pressure gas bearing.. .
|Refrigeration cycle apparatus|
A refrigeration cycle apparatus (1a) includes: a main circuit (2) composed of an evaporator (25), a first compressor (21), an intercooler (8), a second compressor (22), and a condenser (23) which are connected in this order; and an evaporation-side circulation path (5) that allows a refrigerant liquid retained in the evaporator (25) to circulate via a heat exchanger for heat absorption (6). The intercooler (8) is a heat exchanger that allows a refrigerant vapor compressed by the first compressor (21) to be cooled by the refrigerant liquid.
A refrigeration apparatus (air conditioner (1a)) includes: a vapor channel (2a) that directs a refrigerant vapor from an evaporator (25) to a condenser (23); a liquid channel (2b) that directs a refrigerant liquid from the condenser (23) to the evaporator (25); a first circulation path (4) that allows the refrigerant liquid retained in the evaporator (25) to circulate via a first heat exchanger (indoor heat exchanger (31)); and a second circulation path (5) that allows the refrigerant liquid retained in the condenser (23) to circulate via a second heat exchanger (outdoor heat exchanger (33)). A first switching means and a second switching means are provided on the first circulation path (4) and the second circulation path (5).
A refrigeration cycle apparatus (1a) includes: an evaporator (23) that retains a refrigerant liquid and that evaporates the refrigerant liquid therein; a condenser (22) that condenses a refrigerant vapor therein and that retains the refrigerant liquid; a vapor channel (2a) that is provided with a compressor (21) and that directs the refrigerant vapor from the evaporator (23) to the condenser (22); a liquid channel (2b) that directs the refrigerant liquid from the condenser (22) to the evaporator (23); a condensation-side circulation path (4) that allows the refrigerant liquid retained in the condenser (22) to circulate via a heat exchanger for heat release (41) and that is provided with a condensation-side pump (45) at a position upstream of the heat exchanger for heat release (41); and a back-flow path (7) that directs a portion of the refrigerant liquid flowing in a section downstream of the heat exchanger for heat release (41) in the condensation-side circulation path (4) to a section upstream of the condensation-side pump (41) in the condensation-side circulation path (4) or to a bottom of the condenser (22).. .
|Twin scroll turbocharger with egr takeoffs|
Systems and methods for operating a twin scroll turbocharged engine with a junction configured to selectively control exhaust gas delivery to an exhaust gas recirculation system and a twin scroll turbine are provided.. .
|Building roof structure|
The present invention discloses a building roof structure formed by a skeleton, hollow assemblies, a waterproof layer and a heat insulation plate. The hollow assemblies are installed on the skeleton, the waterproof layer is paved on the hollow assemblies and the heat insulation plate is disposed above the waterproof layer.
|Retractable attic closet|
A closet can fit into an attic and a cabinet (105) can be retracted out of the closet to the living space below manually, or using a return spring or electrical means. An air space (150) around the cabinet insulates it from thermal contact with the walls.
|Method for operating a fuel vapor recirculation system in a motor vehicle|
A method for operating a fuel vapor recirculation system in a motor vehicle having a fuel tank. In the method, in the operating strategy of the fuel vapor recirculation system, predictive route data of the motor vehicle are taken into account..
A spiral brace has an inner surface that corresponds to a digital representation of an injured limb. The spiral brace can wrap around a length of the limb in a helical manner.
The invention relates to a method of crystallising lactose from a lactose-containing liquid comprising the steps of providing a lactose-containing liquid comprising less than 80% by weight total solids, providing an evaporator system that comprises a heat exchanger and an evaporation vessel, the heat exchanger comprising a tube or tubes that define a flowpath having an inlet and an outlet, heating the lactose-containing liquid in the heat exchanger to about 50 to about 90° c. Such that the lactose-containing liquid passes along the flowpath by forced circulation or thermo-siphoning, concentrating the lactose-containing liquid in the evaporation vessel, to generate crystallised lactose in the lactose-containing liquid in the evaporator system..
|Vacuum apparatus, method for cooling heat source in vacuum, and thin film manufacturing method|
A vacuum apparatus (100) includes: a vacuum chamber (11); a heat source (12) disposed inside the vacuum chamber (11); a cooling device (20) that cools the heat source (12) by circulation of a cooling gas; a gas feed line (1) connected to the cooling device (20) and extending outside the vacuum chamber (11); a cooling gas feeder (14) that feeds the cooling gas to the cooling device (20) through the gas feed line (1) when the heat source (12) is to be cooled; and a vacuum pump (13) that evacuates the cooling device (20) when the heat source (12) is to be used.. .
|Apparatus for making extracorporeal blood circulation available|
The present invention relates to an apparatus for making extracorporeal blood circulation available, in particular a heart-lung machine, comprising a venous connection and an arterial connection, between which a blood reservoir, a blood pump and a bubble detector for the detection of air bubbles are provided, with, downstream of the bubble detector, an arterial line leading to the arterial connection via an arterial clamp and a bypass leading via a bypass clamp back into the blood reservoir which is connected to a pump extracting air from the blood reservoir. In addition, the present invention relates to a method of operating such an apparatus..
|T-piece for creating turbulence|
Extracorporeal blood treatment methods are usually performed with anticoagulation of the blood. In regional anticoagulation with citrate, sometimes a blood clot is observed in the extracorporeal circulation at the point of addition of the calcium substitution solution.
|Rotary pump exhibiting an adjustable delivery volume, in particular for adjusting a coolant pump|
An adjustable delivery volume rotary pump, including: first and second housing structures; a delivery chamber comprising a first chamber wall formed by the first housing structure, a second chamber wall formed by the second housing structure, a fluid inlet in a low-pressure region and a fluid outlet in a high pressure region; a pump wheel rotatable about a rotational axis in the delivery chamber; and a pressing device for generating pressing force. The second housing structure can be moved relative to the first housing structure from a first to a second position, against the pressing force.
|Image forming apparatus|
An image forming apparatus, which executes, after an image forming operation is stopped, a cleaning operation in which toner that remains on an intermediate transfer belt is transferred to a photosensitive drum and is removed by a cleaning blade while the image forming apparatus causes the intermediate transfer belt to move for circulation, causes a charging roller or a laser scanner to change the surface potential of the photosensitive drum such that the toner to be transferred from the intermediate transfer belt to the photosensitive drum is part of the toner that is to remain on the intermediate transfer belt, when the cleaning operation is executed.. .
|Method for shortening operation shutdown time of high pressure acid leach equipment in a hydrometallurgical process|
This invention provides a method for shortening operation shutdown time of high pressure acid leach equipment in a hydrometallurgical process, wherein the high pressure acid leach equipment comprises (i) means to transfer an ore slurry into the high pressure acid leach equipment; (ii) means to increase temperature and pressure of an ore slurry before leaching; (iii) means to add sulfuric acid into the high pressure acid leach equipment and to leach the ore slurry to obtain a leached slurry at high temperature under high pressure; (iv) means to adjust the pressure of the leached slurry; and (v) means to discharge the leached from the high pressure acid leach equipment; wherein, upon operation shutdown of the high pressure acid leach equipment, the leached slurry is subjected to self-circulation inside the high pressure acid leach equipment.. .
|Seal arrangement for a rotating ship propeller shaft|
A seal arrangement for a ship's propeller shaft includes at least one oil-filled seal chamber bounded by seal rings around the shaft, as well as an oil reservoir tank, an oil supply line connecting the tank to the bottom portion of the seal chamber, an oil circulation pump interposed in the supply line between the tank and the seal chamber, and an oil return line communicating from the upper portion of the seal chamber back to the tank. Thereby, oil is continuously circulated through the seal chamber, and thereby flushes out any contaminant particles, air or water that might enter the seal chamber..
|Drill pipe perforator apparatus and method of use|
This disclosure is related to a perforator tool and a method of using the perforator tool to perforate a formation. The perforator tool can include a first and second sleeve and optionally a third sleeve.
|Tank with containment chamber and gas scrubber|
The invention relates to a fluid storage tank having an interior volume and a floor and having an internal spill containment chamber comprising a vent gas scrubbing apparatus or scrubber. The chamber may be defined by a containment wall which completely separates the chamber from the tank interior volume.
|Methods and system for control of a two-stage turbocharger|
Various methods and systems are provided for regulating air flow through a two-stage turbocharger. In one embodiment, a method for an engine comprises, in response to a transient engine operating event, adjusting a provided amount of exhaust gas recirculation provided to an intake of the engine based on at least one of desired intake oxygen, one or more turbocharger conditions of a turbocharger, or a magnitude of the transient engine operating event..
|System and method for preparing a container loaded with wet radioactive elements for dry storage|
A method for preparing a cavity loaded with wet radioactive elements for dry storage, the method including: connecting a condensing module, a vacuum module, and a gas circulator module to the cavity so as to form a hermetically sealed closed-loop path that includes the cavity; filling the closed-loop path with a non-reactive gas; circulating the non-reactive gas through the closed-loop path until the condensing module is no longer removing substantial amounts of water from the circulating non-reactive gas, wherein the vacuum module is sealed off from the closed-loop path during the circulating; discontinuing the circulation of the non-reactive gas through the closed-loop path; fluidly coupling the vacuum module to the cavity and fluidly isolating the cavity and the vacuum module; and applying a vacuum pressure to the cavity via the vacuum module so as to create a sub-atmospheric pressure within the cavity.. .