Did You Know...
...that Robert Adler has the dubious distinction of being the Father of the Couch Potato? Back in 1955 Adler was employed by what was then Zenith Radio Corp., where he was charged to invent something that would allow viewers to turn down the TV volume without leaving their chairs. After a series of flops (such as a wired contraption that people tripped over), Adler hit on the idea of using sound waves. Thus the Remote Control was born...
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| Number | Title | Issue Date |
| 7418887 | Integral accumulator/pump housing An accumulator/pump housing associated with a motor vehicle hydraulic system that is designed to incorporate a gerotor pump and an accumulator. The accumulator/pump housing comprises a portion of a torque coupling assembly in which a friction clutch selectively enga... | 09/02/2008 |
| 7285422 | Systems and methods for preparing and analyzing low volume analyte array elements The invention provides methods for dispensing tools that can be employed to generate multi-element arrays of sample material on a substrate surface. The substrates surfaces can be flat or geometrically altered to include wells of receiving material. The tool can dis... | 10/23/2007 |
| 7197890 | Valve for preventing unpowered reverse run at shutdown An inventive method of preventing unpowered reverse rotation in a compressor includes the steps of placing a solenoid valve at a location near compressor discharge. The valve is preferably actuated soon after the power to the motor is cut off, blocking the flow of r... | 04/03/2007 |
| 7198893 | DNA diagnostics based on mass spectrometry Fast and highly accurate mass spectrometry-based processes for detecting a particular nucleic acid sequence in a biological sample are provided. Depending on the sequence to be detected, the processes can be used, for example, to diagnose a genetic disease or chromo... | 04/03/2007 |
| 7152402 | Hydraulic vehicle seat adjustment control valve assembly A control valve, and a control module including such a control valve, for selectively controlling a flow of pressurised hydraulic fluid from a pump in a hydraulically powered vehicle seat adjustment system. The control valve including a duct for pressurised fluid de... | 12/26/2006 |
| 7125520 | Reagent addition system and method A system and method for transferring micro-amounts of liquids at accurately controlled rates and volume through the use of independent precision rotary and linear motion mechanisms. The system generally includes a pump module, an indexing module for incrementally tr... | 10/24/2006 |
| 7052255 | Apparatus for changing capacity of scroll compressor with movable seal member An apparatus for changing capacity of scroll compressor comprises: a seal member movably installed on one of facing surfaces of a fixed scroll so as to seal a compression space made by the fixed scroll and orbiting scroll; a back pressure passage formed to be commun... | 05/30/2006 |
| 7011507 | Positive displacement pump with a combined inertance value of the inlet flow path smaller than that of the outlet flow path A pump according to the present invention has a circular diaphragm 4 placed at the bottom of a casing 2. At the bottom of the diaphragm 4, a piezoelectric element 6 is installed in contact with the diaphragm 4. A narrow space betwe... | 03/14/2006 |
| 7003951 | Hydraulic system In a hydraulic system (1) for motor vehicles in particular, comprising a master cylinder (4), a slave cylinder (5) and a hydraulic medium line (15) connecting the two, the flexibility and hydraulic rigidity are improved by the fact that t... | 02/28/2006 |
| 6974671 | Methods for indentifying compounds that modulate gluconeogenesis through the binding of CREB to the PGC-1 promoter In accordance with the present invention, it has been discovered that CREB regulates hepatic gluconeogenesis via the co-activator, PGC-1. PGC-1 potentiated glucocorticoid induction of the gene for PEPCK, the rate limiting enzyme in gluconeogenesis, via the glucocort... | 12/13/2005 |
| 6960069 | Arrangement structure of swash plate hydraulic pump hydraulic pump An arrangement structure of a swash plate hydraulic pump which can be used in a wide range of construction equipment and industrial vehicles and is small in size, simple in structure, and inexpensive is provided. For this purpose, an arrangement structure of a swash... | 11/01/2005 |
| 6599102 | Gas compressor and air conditioning system Disclosed are a gas compressor and an air conditioning system in which an anomalous temperature rise in an electro-magnetic clutch is detected at an early stage to stop the operation of the gas compressor. A temperature sensor is mounted at a position in ... | 07/29/2003 |
| 6454543 | Selectively operable multiple pump assembly The present invention relates to a space-saving and weight-saving motor-and-pump assembly which comprises a drive motor and a pump unit driven by the shaft of the said motor. In order to supply in parallel as many media as possible with an assembly of thi... | 09/24/2002 |
| 6409479 | Variable displacement piston pump/motor A variable displacement piston pump/motor has a simple, compact structure that is suited for use as an oil-pressure generating device for machine presses and the like. In the variable displacement piston pump/motor, a flywheel and a rotation shaft of a pu... | 06/25/2002 |
| 5897299 | Anti-reverse rotation apparatus of compressor An inlet pipe (7) and a discharge pipe (9) of a centrifugal compressor (1) are provided with respective solenoid valves (16, 17) for allowing a flow of fluid in a direction of flow under operation of fluid compression. One end of a bypass pipe (20) is con... | 04/27/1999 |
| 5474428 | Oil pump driving device for transmission An oil pump driving device drives an oil pump combined with a transmission coupled to an engine for supplying working oil to lubricate the transmission and enable the transmission to make gear shifts. The transmission includes a first power transmitting m... | 12/12/1995 |
| 5398506 | Control system for hydraulic pump system Electrically operated hydraulic pump systems are commonly used on tailgate loaders and small dump truck hoists. The systems include a switch which, when closed, couples the vehicle battery to the pump driving motor and a hydraulic lowering valve which, wh... | 03/21/1995 |
| 5382138 | Device for emptying the sewage holding tank of a boat A device for emptying the sewage holding tank of a boat. The device would have a frame, a tank mounted to the frame for the storage of sewage from the boat. In addition an engine would be mounted to the frame with the engine operating a pump also mounted ... | 01/17/1995 |
| 5380161 | Variable capacity swash-plate compressor with electromagnetic clutch In a swash-plate compressor, pistons are slidably received in cylinder bores. A drive shaft is extended through a crank chamber, and is rotated through an electromagnetic clutch means associated therewith. A conversion mechanism is provided on the shaft f... | 01/10/1995 |
| 5312233 | Linear liquid dispensing pump for dispensing liquid in nanoliter volumes A rotary/reciprocating liquid dispensing pump for dispensing liquids in the nanoliter range has a narrow radial slot extending longitudinally from an end of a reciprocating, rotating cylindrical piston sliding in a smooth cylindrical bore of a pump housin... | 05/17/1994 |
| 5197860 | Hydraulic apparatus for construction machines A hydraulic apparatus for a construction machine, which is adapted to prevent the number of revolutions of an engine from increasing when the flow of the fluid discharged by a variable displacement hydraulic pump driven by the engine is cut off. The hydra... | 03/30/1993 |
| 4927333 | Fluid pump A fluid pump having a housing, a pair of rotors, a pair of rotor shafts for supporting the rotors in the housing, identical mating gears provided on the rotor shafts, and rotary drive for rotating the rotor shafts to rotate the rotors, and comprising a on... | 05/22/1990 |
| 4895493 | Rotary pump A rotary pump mechanism is disclosed which comprises a coupling section that couples an impeller and drives the coupling section and, in turn, the impeller. The coupling section incorporates most of the components of the pump that wear out and are expensi... | 01/23/1990 |
| 4721438 | Motor-driven fluid pump A fluid pump has a pumping member which defines the boundary of a pump chamber and is driven to reciprocate between the positions of expanding and contracting the pump chamber for drawing in the pump chamber a fluid and feeding it into a vessel to be pres... | 01/26/1988 |
| 4702083 | Control system and method for controllable output type hydraulic fluid pump of automatic transmission providing decreased pump output in association with the engine starting condition An automatic transmission, for a vehicle with an engine, includes a hydraulic fluid pump which supplies pressurized hydraulic fluid. It is detected whether or not the engine is being started, and the pump output is controlled so as to be decreased when th... | 10/27/1987 |
| 4600150 | Spraying system utilizing a screw conveyor A spraying system includes a screw conveyor to transmit material to be sprayed from a storage container to a spray nozzle. A predetermined torque is maintained on the screw to thereby maintain a predetermined pressure on the material within the conveyor, ... | 07/15/1986 |
| 4453893 | Drainage control for compressed air system The invention comprises a valve contained in a drainage line from a compressor tank and a control for operating the valve. The control includes a timer which comprises an air storage tank, an air bleed valve for bleeding the storage tank and structure for... | 06/12/1984 |
| 4435127 | Apparatus with latching effect for limiting pressure in liquid feeding systems An apparatus having latching effect for limiting pressure in liquid feeding systems has a valve means inserted in the feeding path of a pump supplied liquid. The valve means includes a shunt valve opened upon excessive output pressure; the shunt output of... | 03/06/1984 |
| 4407641 | Electrically-driven rotary vane pump The pump comprises a pump stator (5), an electric motor stator (4), and a rotor (6) that constitutes the rotor both of the pump and of the electric motor. The pump stator comprises a tubular non-magnetic lining to the electric motor stator, and the rotor ... | 10/04/1983 |
| 4391288 | Method and a device for effecting rinsing of an inverted siphon, which forms part of a sewer In an inverted siphon (4) in a sewer (1, 1a) where the approaching flow of sewage is insufficient for producing self-rinsing, a fluid reservoir (5) is arranged upstream of the inverted siphon which has sufficient volume for effecting rinsing, and the flui... | 07/05/1983 |
| 4390324 | Pressure release valve for pumps An airless hydraulic diaphragm paint pump having a pumping chamber subdivided by a diaphragm into pumping fluid and pump fluid subchambers with an inlet from a pump fluids storage and an outlet to a pumped fluid utilizer such as a paint spray gun. A bypas... | 06/28/1983 |
| 4037994 | Pressure unloading valve device for compressor A valve device is disclosed for unloading pressure from a compressor of the type utilized in a medical respirator. The device is formed with a cylindrical chamber containing a compressible elastomeric member. Inlet and relief ports of the valve open into ... | 07/26/1977 |
| 4012175 | Valve and pump control for a hydraulic system The operation of a 4-way, open-center, three position hydraulic valve is coordinated with the operation of the pump for the hydraulic system in which the valve is controlling flow. As the valve is moving from its open-center position to either one of its ... | 03/15/1977 |
