Bizarre Patents
Cloaking System Using Optoelectronically Controlled Camouflage
A Cloaking System designed to operate in the visible light spectrum, utilizes optoelectronics and/or photonic components to conceal an object within it.
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| Number | Title | Issue Date |
| 7438542 | Fluid pump assembly A fluid pump assembly comprises a pump housing and a fluid pump disposed within the pump housing. The fluid pump has axially opposite first and second side faces and includes cooperating impeller and rotor members. The fluid pump assembly further comprises inlet and... | 10/21/2008 |
| 7413415 | Reciprocating electromagnetic micro-pump, particularly for small electrical appliances Reciprocating electromagnetic micro-pump, particularly for small electrical appliances, whose pumping chamber is defined by a tubular element, movable axially, against the action of a contrasting spring, between an advanced position of normal operation of the pump a... | 08/19/2008 |
| 7303096 | Liquid delivery system A liquid delivery system includes a first reservoir having a first outlet through which liquid is delivered. A first delivery outlet is located at the lower portion of the first reservoir and a vent is included at its upper portion. A second reservoir located above ... | 12/04/2007 |
| 7207786 | Fuel pump with filter-absent safety valve and universal inlet and outlet Fuel pump assembly 10 includes a filter 42 that rests on ledge 48, between the pump housing 22 and inlet cap 56. Filter detector 50 has a valve engager 62 for opening the check valve 58 and bearing feet 52 | 04/24/2007 |
| 7150612 | Gear pump or motor A gear•rear shaft containing main body of a bottomed type is penetrated with a bearing hole and a rear face of the gear•rear shaft containing main body is coupled with a closing plate to form an airtight seal from an outside environment. Shafts extended from two... | 12/19/2006 |
| 7150608 | Variable capacity rotary compressor A variable capacity rotary compressor including upper and lower compression chambers in which compressing operations are carried out. A slot is provided at a predetermined position between upper and lower eccentric bushes. A locking pin makes either of the upper and... | 12/19/2006 |
| 7080631 | Safety fuel injection pump A fuel injection pump includes a camshaft, an eccentric cam, a cam ring, a housing and plungers. The camshaft is rotated by an engine. The cam is provided separately from the camshaft and is formed with a connecting portion connected with the main shaft. The cam rot... | 07/25/2006 |
| 7055489 | Engine unit case An engine unit case includes a housing configured to be assembled to a cylinder block of an engine, an oil pump provided at the housing, and a pressure adjusting mechanism for adjusting discharge pressure of the oil pump. The housing is unitarily formed with a pump ... | 06/06/2006 |
| 7007828 | Chemical metering pump A liquid chemical metering pump (24) is described that can be fully submerged within a hazardous liquid chemical transport/storage container (28). The pump (24) includes a discharge adaptor (30) that can be received in the outlet aperture... | 03/07/2006 |
| 6802697 | Variable-delivery, fixed-displacement pump A pump includes a pump housing, a rotating shaft extending through the pump housing, a plurality of pistons, and a plurality of control sleeves. Each piston may be at least partially, slidably contained within a respective piston sleeve. The pistons may also be be o... | 10/12/2004 |
| 6709245 | Regulated pump The invention relates to a pump, in particular to oil pumps for internal combustion engines comprising a gear assembly or rotor assembly with one each of a pressure and suction region arranged in a pump housing, which may be sealed from each other by means of an axi... | 03/23/2004 |
| 6663358 | Compressors for providing automatic capacity modulation and heat exchanging system including the same A compressor for providing automatic capacity modulation is disclosed. The compressor comprises a compression chamber, a compressing member, a reexpansion area, a flow passage, a valve member, and a biasing member. The flow passage is in fluid communicati... | 12/16/2003 |
| 6551069 | Compressor with a capacity modulation system utilizing a re-expansion chamber A compressor with a capacity modulation system includes a compression chamber, a rotatable shaft within the compression chamber, and a roller mounted on the shaft in contact with a wall of the compression chamber. A suction channel is in fluid communicati... | 04/22/2003 |
| 6530752 | Variable displacement pump In a variable displacement pump, a relief valve is constituted by a pilot drive type relief valve obtained by adding a pilot valve to a main valve, a fluid pressure in a downstream side of a metering orifice provided in a pump discharge side passage is ap... | 03/11/2003 |
| 6450778 | Pump system with high pressure restriction A pumping system for a fuel injection system includes a body defining a high pressure pumping chamber, a plunger, a high pressure outlet, a high pressure fluid line connecting the pumping chamber to the outlet, a control valve along the fluid line, and a ... | 09/17/2002 |
| 6408975 | Variable displacement pump with electronic control A variable displacement pump 28 having an electronically modulated solenoid relief valve 100 for controlling fluid flow into the pump 28. An engine control module coupled to the electronic relief valve 100 monitors vehicle speed and steering wheel turning... | 06/25/2002 |
| 6364630 | Vane pump A vane pump, having an inlet for receiving fuel and an outlet from which fuel is supplied, comprising a generally cylindrical member, a driven rotor arranged within the cylindrical member and a closure member. The cylindrical member and the closure member... | 04/02/2002 |
| 6338612 | Method for limiting the pressure provided by a hydraulic pump A hydraulic pump system having a pump for pressurizing fluid and a hydraulic chamber for receiving fluid from the pump. An even flow of fluid is outputted from the chamber to a valve assembly. The chamber is formed from a resonator and a resonator cover t... | 01/15/2002 |
| 6257839 | Double screw rotor assembly with electrically controlled clearance adjustment means A double screw rotor assembly includes two screw rotors meshed in a bushing inside a casing. The threads of the screw rotors have a constant pitch, and define with the bushing a plurality of air chambers in the pitch. The volumes of the air chambers reduc... | 07/10/2001 |
| 6238576 | Chemical liquid supply method and apparatus thereof Impure portions such as air bubbles and gelled portions in a liquid are removed so that the liquid can be discharged with improved cleanliness. Under condition that a return flow path and a liquid discharge flow path are closed, a pump chamber is expanded... | 05/29/2001 |
| 6227823 | Compressed gas dispensing station with high pressure compressor with internal cooled compression A compressed gas dispensing station having a high pressure gas compressor with a cyclic control system for selective recirculation of cooled, ultra high pressure gas through the compression chamber after the end of the compression stroke for scavenging ho... | 05/08/2001 |
| 6135742 | Eccentric-type vane pump The present invention relates to an eccentric-type vane pump and, in particular, to an eccentric-type vane pump being capable of generating minimum heat and noise due to frictional force produced from rotation of the vane pump. The vane pump comprises a r... | 10/24/2000 |
| 5588809 | Metering pump with a vent valve Metering pumps for the metered feed of liquids are fitted with an intake valve built into an intake line from an intake container, a pump chamber downstream of it with a pumping component altering its displacement volume, a pressure valve leading to the m... | 12/31/1996 |
| 5261791 | Method and apparatus for recovering pollutants from an aquifer Pumping apparatus for recovering a first liquid, such as a pollutant, floating on a second liquid, such as ground water. A pump immersed in the second liquid, or ground water, operates to produce a cone of depression and discharge the second liquid into a... | 11/16/1993 |
| 5203683 | Screw type pump A screw pump having a pair of screw rotors meshed with each other and rotatably supported in a housing having an intake port provided at one end and a piston movably provided at the other axial end of the housing, which piston defines a discharge port in ... | 04/20/1993 |
| 5171131 | Power transmission A rotary fluid energy translating device of the sliding vane type useful as a pump or motor comprising a pressure contained vane unit assembly adapted to be submerged in a body of liquid. The pressure contained vane unit assembly comprises a pair of suppo... | 12/15/1992 |
| 5110269 | Gas turbine fuel pumping apparatus A fuel pumping apparatus, particularly useful for gas turbine engines, includes a dual element positive displacement fuel pump having a centrifugal type boost stage and, downstream, at least two parallel gear type elements. A controllable means for unlock... | 05/05/1992 |
| 5085187 | Integral engine oil pump and pressure regulator A combination gear type oil pump and pressure regulator is disclosed, particularly for a lubricating system of an internal combustion engine. Elements of a gear type pump are housed within an internal recess in the engine crankcase. An end cover is positi... | 02/04/1992 |
| 5051070 | Variable capacity compressor A compressor suitable for use in a vehicle cooling system. The compressor includes a cylinder having a cylindrical inner wall surface, a rotor supported by a crankshaft having an eccentric portion in the cylinder. A pair of vanes are carried at diametrica... | 09/24/1991 |
| 4993923 | Rotary compressor with capacity regulation valve A rotary compressor being provided with a capacity regulation valve (16) at the outlet of the compressor. The valve is movable between a first position (18) in sealing cooperation with an end face (19) of the compressor rotor and a second position (20) cr... | 02/19/1991 |
| 4944658 | Lubrication pump with an adjustable metering device A lubrication pump with a stroking action of a delivery piston and with regulatable metering of the amount of lubricant delivered with each stroke of the pump, wherein the delivery piston is actuated by the pump and aspirates the lubricant into a suction ... | 07/31/1990 |
| 4940394 | Adjustable wearplates rotary pump A rotary lobed rotor pump has externally adjustable wearplates in the rotor casing juxtaposed to the parallel ends of rotating lobed rotors. Resilient members such as Belleville springs are adjusted by compression by means external of the rotor casing so ... | 07/10/1990 |
| 4834631 | Separator and biasing plate In a reciprocating compressor, the separator plate separating the suction and discharge plenums acts as a spring relative to the valve plate assembly. Under liquid slugging conditions the valve plate moves against the biasing force of the separator plate ... | 05/30/1989 |
| 4815954 | Offset three-gear, two-system pump An offset three-gear, two-system pump includes first, second, and third overlapping chambers. First inlet and low-pressure outlet ports communicate with the first and second chambers, and second inlet and high-pressure pressure outlet ports communicate wi... | 03/28/1989 |
| 4799865 | Intermittent service screw compressor A screw compressor for intermittent operation, preferably for supplying a pneumatic brake system of an automotive vehicle with compressed air, comprises, in the high pressure end wall (4) of the compressor, a wall plate (14) which seals against the casing... | 01/24/1989 |
| 4618018 | Power steering device for vehicles A power steering device for vehicles having a simple construction, which is capable of minimizing the frictional loss of a hydraulic pump as well as the power consumption of the hydraulic pump and engine. This power steering device comprises a hydraulic p... | 10/21/1986 |
| 4558993 | Rotary compressor with capacity modulation The compression capacity of a rotary compressor may be changed by a cylinder bypass system. The change of compression capacity is achieved by a slide wall member which composes part of an inside wall of a cylinder containing a compression mechanism and wh... | 12/17/1985 |
| 4470762 | Demand responsive hydraulic pump A hydraulic power steering system has a vane type pump which is operable to supply fluid to a power steering gear at a volumetric rate determined in part by the system pressure or system demand. The flow from the pumping chambers is partially bypassed thr... | 09/11/1984 |
| 4459817 | Rotary compressor A rotary compressor formed with an unloading port maintaining a working space in communication with a suction chamber and opened and closed by a valve, to vary the capacity of the compressor. The internal pressure of the working space is sensed in a compr... | 07/17/1984 |
| 4422834 | Power steering pump A pump includes a rotor, a cam encircling said rotor and means for effecting relative rotation of the cam and rotor about an axis. A plurality of vanes are carried by the rotor and engage the cam to define pumping pockets which expand and contract on rota... | 12/27/1983 |
