| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 137565290 | Plural | 41 |
| 20090101219 | MEDICAL WASTE FLUID COLLECTION AND DISPOSAL SYSTEM - A medical waste fluid collection and disposal system includes a medical waste fluid collection cart including first and second fluid collection canisters. A valve assembly selectively communicates with the canisters and a valve drive system controls the valve assembly. A liquid level sensor is positioned within each of the canisters. A cart processor communicates with the liquid level sensors and the valve drive system. A cart drain line communicates with the valve assembly and a receptacle, a cart flushing line communicates with the valve assembly and the receptacle and a cart data line and a cart power line communicate with the cart processor and the cart receptacle. A station includes a drain pump that communicates with a drainage system and a station drain line, a flushing pump that communicates with a source of washing liquid and a station flushing line and a station processor in communication with the drain and flushing pumps. A station data line communicates with the station processor. A coupler communicates with the station drain line, flushing line and the station data line and a station power line. The station coupler removably engages the cart receptacle so operation of the cart and station components can be coordinated by the processors for drainage and flushing of the cart canisters. | 04-23-2009 |
| 20090235997 | Apparatus, system, and method for diverting fluid - A pump component is removed from a port of a suction-side fluid cavity of a high-pressure fluid pump. The pump component performs a pump function for the high-pressure fluid pump. A primary coupler connects to the port. The pump component connects to the primary coupler. A diverter fluid passage diverts a low-pressure fluid from the primary coupler to an auxiliary fluid delivery system. The primary coupler communicates the low-pressure fluid through the pump component and primary coupler to the port. | 09-24-2009 |
| 20100154907 | UREA STORAGE SYSTEM - A urea storage system comprising a storage tank for a urea solution is provided. The system comprises a heated reservoir, a channel connecting the storage tank to the heated reservoir and a pump for drawing urea from the heated reservoir. A second pump including an actuator comprising a memory shape metal for drawing urea from the storage tank to the heated reservoir is also provided. | 06-24-2010 |
| 20100206407 | SLUICE SYSTEM FOR A VACUUM FACILITY - A sluice system for a vacuum coating facility for coating substrates that can be moved through the vacuum coating in a direction of conveyance comprises a prevacuum slice chamber and a transfer chamber adjoining a coating chamber, wherein a fine vacuum can be regulated before the transfer chamber on the input side in the direction of conveyance and after the transfer device on the output side in the direction of conveyance. The prevacuum sluice chamber is directly adjacent to the transfer chamber and the fine vacuum can be regulated in the prevacuum sluice chamber. A high-vacuum pump system can also alternatively and selectively be connected to the prevacuum sluice chamber. | 08-19-2010 |
| 20110168283 | Hydraulic Circuit For Working Machine - A working vehicle, wherein flows of hydraulic oil delivered under pressure from two or more hydraulic pumps are joined together and the joined hydraulic oil can be taken out. A working vehicle is provided with two hydraulic pumps independent of each other and adapted to deliver hydraulic oil under pressure, a mode switching valve ( | 07-14-2011 |
| 20110297260 | FUEL SYSTEM INCLUDING DUAL FUEL DELIVERY MODULES FOR BIFURCATED FUEL TANKS - A fuel system for use in a fuel tank having first and second tank portions includes first and second fuel pumps in the first and second tank portions, respectively. A first fuel reservoir is provided in the first tank portion and a second fuel reservoir is provided in the second tank portion. A first crossover fuel line extends between the first and second tank portions, and a second crossover fuel line extends between the first and second tank portions. A first jet pump in the first tank portion communicates with the first crossover fuel line for transferring fuel through the first crossover fuel line to the second tank portion, and a second jet pump in the second tank portion communicates with the second crossover fuel line for transferring fuel through the second crossover fuel line to the first tank portion. | 12-08-2011 |
| 20120090710 | CLOSED NEBULIZING SYSTEM FOR REMOVING BUBBLES - A closed nebulizing system for removing bubbles includes a first pump, a nebulizing module and a second pump. The first pump is for providing a fluid. The nebulizing module includes an outlet channel, an inlet channel connected with the first pump, and a plurality of nozzles for nebulizing and ejecting part of the fluid. The second pump is connected with the outlet channel for outputting non-nebulized fluid. The first pump, the nebulizing module and the second pump form a closed fluid loop, so that the fluid continuously contacts with the plurality of nozzles and bubbles generated during nebulization process are evacuated from the nebulizing module. | 04-19-2012 |
| 20120312400 | HIGH VOLUME WATER DELIVERY SYSTEM AND METHOD - A system for delivering water is provided, including: a structure placeable within a water tank, the structure defining at least first and second compartments, the compartments separated by a baffle; and a bottom panel, said bottom panel having padding between the panel and a floor of the tank; first and second pumps, each of the first and second pumps placeable within the respective first and second compartments; the first and second pumps in fluid communication with a first end of respective first and second water transportation systems; and the first and second water transportation systems each having a second end, the second ends in fluid communication to a manifold. | 12-13-2012 |
| 20130037144 | FLUID SUPPLY FOR CONTINUOUSLY VARIABLE TRANSMISSION - An apparatus is disclosed for supplying fluid to a continuously variable transmission which has a lubrication system and at least one transmission control system. The apparatus comprises first and second pumps ( | 02-14-2013 |
| 20130061963 | SYSTEM FOR DELIVERING FRAC WATER AT HIGH PRESSURE - A system for delivering frac water at high pressure is provided, including a first pump positionable within a tank, the first pump configured to receive water from within the tank and output the water at pressure to a first pressure tank; a second pump positionable above the first pressure tank, the second pump configured to receive water from the first pressure tank and output the water at pressure to a second pressure tank; and a third pump positionable above the second pressure tank, the third pump configured to receive water from the second pressure tank and output pressurized water to a discharge piping, the discharge piping leading said pressurized water over a wall of said tank. | 03-14-2013 |
| 20130074960 | PORTABLE, REFRIGERANT RECOVERY UNIT - A portable, refrigerant recovery unit for transferring refrigerant from a refrigeration system to a storage tank. The unit includes two, opposed piston heads rigidly attached to respective piston rods that extend along a common fixed axis and are rigidly attached to a scotch yoke arrangement. In operation, incoming refrigerant is simultaneously and continuously directed to the opposing piston heads wherein the forces of the pressurized refrigerant on them counterbalance one another. The flow path of the refrigerant is designed to be isolated from the piston rods and drive mechanism to avoid any exposure to any contaminants in the refrigerant. However, to the extent the undersides of the piston heads and portions of the piston rods may be so exposed, a chamber is provided adjacent each piston underside to capture or collect any contaminants and direct them harmlessly back through one-way exhaust lines into the incoming refrigerant lines. | 03-28-2013 |
| 20130118617 | HYDRAULIC SYSTEM AND METHOD FOR A HYBRID VEHICLE - A hydraulic system for a hybrid module which is located between an engine and a transmission includes a parallel arrangement of a mechanical pump and an electric pump. Each pump is constructed and arranged to deliver oil to other portions of the hydraulic system depending on the operational mode. Three operational modes are described including an electric mode, a transition mode, and a cruise mode. Various monitoring and control features are incorporated into the hydraulic system. | 05-16-2013 |
| 20140007962 | APPARATUS FOR IMPROVING EXCAVATING OPERATION CHARACTERISTIC AND GRADING OPERATION CHARACTERISTIC OF EXCAVATOR - Disclosed is an apparatus for improving excavating operation characteristic and grading operation characteristic of an excavator. The apparatus includes a solenoid valve group and a hydraulically controlled selector valve. An oil controlling output A | 01-09-2014 |
| 20140034162 | Multiple Pump System - A multiple pump system is disclosed. The multiple pump system may include a fluid tank and a multiple pump vessel connected to the fluid tank. The multiple pump vessel may include at least one first pump and at least one second pump located therein. In addition, the at least one first pump may be configured to dispense a fluid from the fluid tank at a first pressure, and the at least one second pump may be configured to dispense the fluid from the fluid tank at a second pressure. The first pressure may be different from the second pressure, such that the at least one first pump may be configured to dispense liquefied natural gas, and the at least one second pump may be configured to dispense compressed natural gas. | 02-06-2014 |
| 20140116546 | Regulator Valve With Axial Vent - A first inlet port extends radially through a valve sleeve into an internal bore. A first outlet port extends radially outwardly through an outer periphery of the valve sleeve. A second inlet port on an opposed side of the first outlet port from the first inlet port, extends radially through a wall of the valve sleeve. A valve spool is received in the internal bore and has a first channel at an outer peripheral surface selectively communicating the first inlet port to the first outlet port. The valve spool has a second channel at the outer peripheral surface that communicates the second inlet port to an axial vent formed in an internal surface of the valve sleeve. The axial vent extends axially to communicate the second channel to the first outlet port. A pumping system is also disclosed. | 05-01-2014 |
| 20140202567 | WATER SUPPLY APPARATUS - The present invention provides a water supply apparatus capable of performing a backup operation, without lowering water supply capability, when a failure has occurred in one control substrate due to surge or noise caused by lightning or due to lifetimes of various sensors, by switching to the other control substrate, and capable of reliably performing the backup operation by means of devices that prevent failure of the control substrates. The water supply apparatus ( | 07-24-2014 |
| 20140318648 | CHASSIS WITH AIR GUIDING MEMBER - A chassis includes a base, a number of fans mounted in the base, and an air guiding member. The base includes a bottom wall and a sidewall perpendicularly connected to a side of the bottom wall. The fans are mounted on the bottom wall. The air guiding member includes a fixing portion slidably mounted to the sidewall and a guiding portion pivotably connected to the fixing portion. The guiding portion is pivotable to adjust the direction of airflow from the fans. | 10-30-2014 |
| 20150370265 | Fluid Compression System and Control Device Therefor - An object of the present invention is to provide a fluid compression system which can supply compressed fluid in accordance with a sudden change in an amount of fluid used even when the number of compressors to be installed is increased, and a control device thereof. | 12-24-2015 |
| 20160177838 | FUEL CIRCUIT OF AN AIRCRAFT ENGINE WITH A FUEL RECIRCULATING VALVE CONTROLLED BY A PRESSURE DIFFERENTIAL OF A LOW-PRESSURE PUMP OF THE FUEL SYSTEM | 06-23-2016 |
| 137565300 | Serial | 14 |
| 20080283133 | OIL BALANCE SYSTEM AND METHOD FOR COMPRESSORS CONNECTED IN SERIES - A compressor system includes a first compressor, which has a first low side oil sump, in a first shell and a second compressor, which has a second low side oil sump, in a second shell. The first and second compressors are connected in series. There is an oil transfer conduit connected between the first low side sump of the first compressor and the second low side sump of the second compressor. The system also includes a normally open check valve in the oil transfer conduit. A method for effecting oil balance in a compressor system, the method includes establishing a first compressor in a first shell having a first low side oil sump and establishing a second compressor in a second shell having a second low side oil sump. The first and second compressors are connected in series. The method also includes positioning an oil transfer conduit between the first low side sump and the second low side sump and positioning a normally open check valve in the oil transfer conduit. Additionally, a bleed is provided to effect oil transfer via the oil transfer conduit when the normally open valve is closed | 11-20-2008 |
| 20100263750 | MULTI-LEVEL MEMBRANCE SUCTION PUMP - A multi-level membrane suction pump having at least two pump chambers is provided, each having a fluid inlet with at least one inlet valve and a fluid outlet with at least one outlet valve, and having a suction line connecting the fluid inlets of the pump chambers. Successive pump chambers are connected to each other via at least one connecting line such that the membrane pump upon reaching/exceeding a differential pressure in the suction line changes from a parallel operation of the pump chambers into at least also a serial operation of the pump chambers. In the inflow and outflow regions of the at least one connecting line, at least one check valve each is interposed, opening toward the subsequent pump stage. In the membrane suction pump, the check valves provided in the inflow and in the outflow regions of the connecting line(s) are designed smaller compared to the inlet and outlet valves of the pump chambers, and line sections of the connecting lines that open toward the neighboring pump chamber have a smaller clear line cross-section compared to the inlet and outlet valves, and are associated with the check valves. | 10-21-2010 |
| 20100294385 | FAN UNIT - A fan unit includes a housing having an air inlet and an air outlet; a first fan and second fan mounted in the air inlet and the air outlet respectively and arranged in tandem so as to generate an air flow; a first valve mounted adjacent to the air inlet for allowing air to flow into the housing and preventing air from flowing out of the housing; and a second valve mounted adjacent to the air outlet for allowing air to flow out of the housing and preventing air from flowing into the housing. | 11-25-2010 |
| 20110174400 | CHEMICAL LIQUID FEEDING DEVICE - The present invention relates to a chemical liquid feeding device for feeding chemical liquid required in a semiconductor fabrication process, which includes three or more pumps arranged in a line, each pump having different time points of suction stroke an discharge stroke from one another so that the chemical liquid can be fed uniformly without pulsation. | 07-21-2011 |
| 20120097273 | FUEL SUPPLY SYSTEM - A fuel supply system includes a low pressure fuel pump, which suctions and discharges fuel accumulated in a fuel tank, and a high pressure fuel pump, which suctions and discharges the fuel discharged from the low pressure fuel pump and supplies the fuel to a fuel injection valve installed in an internal combustion engine, the low pressure fuel pump, high pressure fuel pump, and fuel injection valve being connected in series, wherein the low pressure fuel pump and high pressure fuel pump are configured in such a way as to be driven or stopped independently of each other, one by each motor, and the pressure of the fuel discharged from the high pressure fuel pump is made variable by a combination of the drive or stop of the low pressure fuel pump and the drive or stop of the high pressure fuel pump. | 04-26-2012 |
| 20130014842 | SYMMETRICAL SERIES FAN STRUCTUREAANM Liu; Wen-HaoAACI New Taipei CityAACO TWAAGP Liu; Wen-Hao New Taipei City TW - A symmetrical series fan structure includes multiple frame bodies made with single mold. Each frame body has a first through hole, a second through hole and a base having multiple connection members. The base is positioned in the second through hole on one side of the frame body and connected to the frame body via the connection members. The frame body has multiple fixing members and multiple fixing holes on the same side of the frame body as the base. The frame bodies are serially connected by means of inserting the fixing members into the fixing holes with the bases and the connection members of the frame bodies attached to each other. Accordingly, the frame bodies can be made with single mold and assembled to form the symmetrical series fan structure. In this case, the mold development cost is saved and the manufacturing cost is lowered. | 01-17-2013 |
| 20140060679 | HYDRAULIC PRESSURE SUPPLY SYSTEM OF AUTOMATIC TRANSMISSION - A hydraulic pressure supply may include a low pressure portion, a high pressure portion, a low-pressure hydraulic pump receiving the oil stored in the oil pan and discharging the low hydraulic pressure to a first low-pressure line fluid-connected to the low-pressure hydraulic pump, a switch valve fluid-connected to the first low-pressure line, and selectively supplying the low hydraulic pressure to the low pressure portion or the high pressure portion, a low-pressure regulator valve connected to the switch valve, a high-pressure hydraulic pump fluid-connected to the low-pressure hydraulic pump through the first low-pressure line, a high-pressure regulator valve fluid-connected to the high pressure line and controlling the high hydraulic pressure supplied from the high-pressure hydraulic pump and the low hydraulic pressure supplied from the low-pressure hydraulic pump to be stable high hydraulic pressure, a second input line connecting the oil pan to the first low-pressure line. | 03-06-2014 |
| 20140060680 | HYDRAULIC PRESSURE SUPPLY SYSTEM OF AUTOMATIC TRANSMISSION - A hydraulic pressure supply system of an automatic transmission may generate low hydraulic pressure and high hydraulic pressure using oil stored in an oil pan and may supply the low hydraulic pressure and the high hydraulic pressure respectively to a low pressure portion and a high pressure portion. In the hydraulic pressure supply system, a low-pressure hydraulic pump pumping the oil stored in the oil pan and generating the low hydraulic pressure and a high-pressure hydraulic pump changing the low hydraulic pressure supplied from the low-pressure hydraulic pump into the high hydraulic pressure and supplying the high hydraulic pressure to the high pressure portion may be integrated as one hydraulic pump. | 03-06-2014 |
| 20140060681 | HYDRAULIC PRESSURE SUPPLY SYSTEM OF AUTOMATIC TRANSMISSION - A hydraulic pressure supply system of an automatic transmission for a vehicle which generates low hydraulic pressure and high hydraulic pressure using oil stored in an oil pan and supplies the low hydraulic pressure and the high hydraulic pressure respectively to a low pressure portion and a high pressure portion, may include a low-pressure hydraulic pump driven by a first power source so as to pump the oil stored in the oil pan, generating the low hydraulic pressure, and supplying the low hydraulic pressure to the low pressure portion, and a high-pressure hydraulic pump driven by a second power source and fluid-connected to the low-pressure hydraulic pump so as to receive the low hydraulic pressure from the low-pressure hydraulic pump, changing the low hydraulic pressure into the high hydraulic pressure, and supplying the high hydraulic pressure to the high pressure portion. | 03-06-2014 |
| 20140096852 | HYDRAULIC PRESSURE SUPPLY SYSTEM OF AUTOMATIC TRANSMISSION - A hydraulic pressure supply system of an automatic transmission generates low and high hydraulic pressures using oil stored in an oil pan and supplies the low and high hydraulic pressures respectively to a low and a high pressure portions. The system may include: a low-pressure hydraulic pump pumping the oil stored in the oil pan; a low-pressure regulator valve controlling the low hydraulic pressure to be stable hydraulic pressure, and supplying the stable hydraulic pressure to the low pressure portion; a high-pressure hydraulic pump changing the low hydraulic pressure into the high hydraulic pressure and supplying it to the high pressure portion; and a high-pressure regulator valve controlling the high hydraulic pressure to be stable hydraulic pressure, wherein the low-pressure and high-pressure hydraulic pumps are driven by one drive shaft, and the high-pressure hydraulic pump is a variable capacity hydraulic pump capable of controlling discharging flow amount. | 04-10-2014 |
| 20150101692 | RADIOACTIVE SLUDGE TRANSFER APPARATUS - There is provided a radioactive sludge transfer apparatus for safely and surely transferring radioactive sludge contaminated by radioactive substance stored in a sludge storage tank to a transfer tank for the sake of tank inspection. A radioactive sludge transfer apparatus for transferring sludge stored in a sludge storage tank with supernatant solution to a transfer tank includes: a transfer apparatus body | 04-16-2015 |
| 20160010885 | System for Managing Lubricant Levels in Tandem Compressor Assemblies of an HVAC System | 01-14-2016 |
| 20160201564 | FUEL SYSTEM | 07-14-2016 |
| 137565310 | With single motive input | 1 |
| 20100024906 | PUMP - Embodiments of the present invention are directed to devices and methods for propelling fluids that feature at least one first pump assembly having a primary pump, an accumulator pump, drive means, valve means and control means. The valve means moves between the first position and the second position as the accumulator pump and primary pump alternate between a loading movement and a pump movement. The control means is in signal communication with the accumulator pump, the primary pump and the valve means. The control means issues signal command to the accumulator pump to assume the loading movement and the pump movement and the primary pump to assume the loading movement and pump movement in coordination with the movement of the valve means such that fluids are propelled from the first outlet. | 02-04-2010 |
| 137565330 | Parallel | 8 |
| 20080210317 | Dynamically Controlled Compressors - In systems comprising at least two compressors, the present invention provides an adequately sized vessel or tank in either or both the suction line or the discharge line of multiple compressors, in such a fashion that if the conditions of the first compressor change, it does not have an immediate effect on the other compressors, the vessel acting as a means of dampening the change. | 09-04-2008 |
| 20090194178 | Mobile Foam Producing Unit - A mobile foam producing unit ( | 08-06-2009 |
| 20100051126 | TADEM COMPRESSORS WITH COMMON INTERMEDIATE PORT - A compressor assembly includes at least two tandem compressors. Tandem compressors have at least one common suction manifold, communicating a source of working fluid to be compressed by each of at least two compressors, and at least one common discharge manifold communicating a compressed fluid downstream for further use. A common intermediate pressure manifold communicates with intermediate pressure ports in at least two compressors. The intermediate manifold may communicate fluid to or out of the at least two compressors. There is normally no direct communication between suction and discharge manifolds. | 03-04-2010 |
| 20100307619 | WATER SUPPLY APPARATUS - The present invention provides a water supply apparatus capable of performing a backup operation, without lowering water supply capability, when a failure has occurred in one control substrate due to surge or noise caused by lightning or due to lifetimes of various sensors, by switching to the other control substrate, and capable of reliably performing the backup operation by means of devices that prevent failure of the control substrates. The water supply apparatus ( | 12-09-2010 |
| 20140000736 | COMPRESSOR MANIFOLD ASSEMBLY | 01-02-2014 |
| 20150354550 | Flushing Dispensers For Delivering A Consistent Consumer Experience - An assembly for flushing a dispenser that internally mixes a first composition and a second composition; dispensers including said assemblies are also provided. | 12-10-2015 |
| 20160053946 | APPARATUS AND METHOD FOR GENERATING AIR PRESSURE IN ECO-FRIENDLY VEHICLE - Disclosed herein is an apparatus for generating air pressure in an eco-friendly vehicle that includes an engine driven air compressor operated by an engine, an electric air compressor operated by a battery, and an air tank connected to an outlet of the engine driven air compressor and to an outlet of the electric air compressor so as to store air which is pressurized. A method for generating air pressure in an eco-friendly vehicle includes an operation start air pressure determination step to compare air pressure in the air tank with operation start air pressure, an engine drive determination step to determine whether or not the engine is being operated when the air pressure is less than the operation start air pressure, an electric air compressor operation step to operate the electric air compressor, and an engine driven air compressor operation step to operate the engine driven air compressor accordingly. | 02-25-2016 |
| 20180023239 | DOUBLE-HEAD DRAINAGE PUMP OF WASHING MACHINE | 01-25-2018 |
