Bizarre Patents
Dining Table Having Integral Dishwasher
A space-saving dishwasher, which may be installed within a counter top or table, having a dish-carrying rack that is vertically shiftable through the open top of the dishwasher for facilitating loading and unloading of the dishes.
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| Number | Title | Issue Date |
| 7621726 | Metering pump A metering pump, especially for feeding fuel to a vehicle heater, comprising a delivery plunger (50), which can be moved to and fro for delivering liquid medium, a guide sleeve (42), which partially accommodates the delivery plunger (50) and gui... | 11/24/2009 |
| 7374406 | System and method for reducing noise in multi-capacity compressors A method and system is provided for reducing chatter in multi-capacity compressors having disengageable eccentric structures. The multi-capacity fluid compressor includes a compression chamber having a discharge end and an inner surface. The compressor also includes... | 05/20/2008 |
| 7370637 | Arrangement in fuel injection apparatus An arrangement in the fuel injection system for controlling the fuel injection, the arrangement comprising a body part with a space arranged therein, through which space the fuel to be injected flows during operation, the space further having an inlet opening and an... | 05/13/2008 |
| 6755630 | Apparatus for compressing fluid An apparatus for compressing fluid comprises a cylinder bore longitudinally penetrating a cylinder block a suction port penetrating to the cylinder bore, and a pair of slot-shaped fluid discharge having one opening at an end portion of the cylinder bore; a piston; a... | 06/29/2004 |
| 6702557 | Valve assembly prohibiting re-expansion of residual fluid A fluid compressing apparatus including a cylinder block having a cylinder bore with a diameter penetrating through the cylinder block in a lengthwise direction, a discharge chamber having a diameter larger than the diameter of the cylinder bore, and at l... | 03/09/2004 |
| 6190143 | Piston pump with zero to negative clearance valve An improved piston-type vacuum pump comprises a reciprocating piston disposed within a cylinder having a proximal end and a distal end, an inlet port formed in the side of the cylinder near the proximal end, and a spring-biased outlet valve, such as a pop... | 02/20/2001 |
| 6065816 | Brake control apparatus for a vehicle A brake control apparatus includes a reservoir tank, a master cylinder fluidly connected to the reservoir tank, a wheel cylinder fluidly connected to the master cylinder via a main passage. An auxiliary passage communicates the reservoir tank with the mai... | 05/23/2000 |
| 5961299 | Fluid injector pump with interchangeable reservoir A pneumatically-operated pump is provided that includes a body having a central bore with a liquid chamber for a slidable piston injector, a chamber for a removable reservoir, and an inlet and outlet for a gas. A priming conduit carries liquid from the re... | 10/05/1999 |
| 5957666 | Tandem-type pump having an auxiliary pump A tandem-type pump assembly having a first housing and a second housing. A first main pump and a second main pump are coaxially aligned and disposed in the first housing. A first driving shaft having a first end and a second end is rotatably supported in ... | 09/28/1999 |
| 5921755 | Dry vacuum pump A vacuum pump is provided with at least one cylinder having a cylinder liner and a piston mounted for reciprocating movement within the cylinder liner. The piston is connected to a crankshaft for reciprocating the piston and the piston is provided with a ... | 07/13/1999 |
| 5897303 | Blind pore piston pump with internal valve and stroke limiting spring winding The invention relates to a piston pump, having a piston that has a longitudinal bore, that includes a valve seat face upon which a valve closing body is pressed by a valve spring. The valve spring is a helical compression spring, whose winding diameter in... | 04/27/1999 |
| 5332368 | Air compressor having a high pressure output An air compressor of compact design which has the capability of providing a relatively high pressure, relatively low volume output, and which is capable of operating over an extended range of speeds. A drive pulley is connected to a crankshaft structure a... | 07/26/1994 |
| 5261795 | Volumetric pump and process for volumetric pumping A volumetric pump for paste-like material, for example, unvulcanized rubber, in which a screw 21 feeds a cylinder 11 through ports 12 and in which a delivery piston 10 within the cylinder displaces the material through a non-return valve 15. A process for... | 11/16/1993 |
| 5058779 | Positive displacement piston metering pump A pneumatically operated metering pump having in a single cylinder, a driven piston and a slave piston that operates as a sliding valve for admitting fluid into the pump and drawing it into the cylinder between the two pistons so the next downward stroke ... | 10/22/1991 |
| 5020981 | Fuel injection pump for internal combustion engines A fuel injection pump for internal combustion engines which has at least one pumping element inserted in a reception bore of a pump housing made of light metal. The pumping element substantially comprises a cylinder sleeve, in the cylinder bore of which a... | 06/04/1991 |
| 4944661 | Electro-magnet actuated fuel piston pump An electromagnetically-actuated fuel piston pump is constructed so as to eliminate the distracting pumping noises occurring during the functioning by using a dampening elastic element arranged at a site protected against contact with the delivered fuel by... | 07/31/1990 |
| 4934907 | Method and apparatus for heating a fuel A device for transporting and preheating fuel which is susceptible to cold temperatures comprises a pump which has an electromagnetic coil which is supplied with current to move a plunger for pumping the fuel so as to transport it. The plunger is returned... | 06/19/1990 |
| 4887955 | Unit injector A unit injector for fuel combustion is integrally structured with an injection pumping mechanism and an injection valve mechanism. A housing is fixedly united with an injection pumping part and an injection valve part, the injection pumping part being for... | 12/19/1989 |
| 4834621 | Air throttling valve for submerged pump system In a submerged pump system for pumping liquid from a well or vessel the vertical pipe through which the liquid is pumped by a submerged impeller pump is typically fitted at its upper end with an air valve. The air valve vents air from the pipe to atmosphe... | 05/30/1989 |
| 4651779 | Constant-pressure delivery valve for fuel injection pumps for diesel engines A constant-pressure delivery valve for fuel injection pumps for diesel engines includes a conical-surface obturator to which is fixed a body forming an axial chamber containing a calibrated one-way valve with a ball obturator. The ball obturator is locate... | 03/24/1987 |
| 4525127 | Fluid pump mechanism A vanishing chamber type positive displacement pump is disclosed which is applicable for use as a fluid sampling device for sampling liquid or gaseous materials from pipelines or other pressurized vessels or for pumping small measured quantities of fluid ... | 06/25/1985 |
| 4484866 | Piston pump A piston pump includes a cylinder with a bore receiving the piston. The piston forms a central passage leading to a variable volume chamber and a check valve is disposed in the central passage. In addition, the cylinder includes a pair of ports which sele... | 11/27/1984 |
| 4452574 | Fuel injection pump The fuel injection pump of this invention proposes at least one cylinder, a piston, a drive rod, a guide sleeve for the drive means, a guide conduit embracing the guide sleeve, a restoring spring for the drive rod and piston, said piston being designed to... | 06/05/1984 |
| 4427347 | Fuel injection pump for internal combustion engines A fuel injection pump for internal combustion engines with the injection pump including a dual-acting check valve arranged between the pump cylinder and a valve holder of the injection pump. The check valve is constituted by a resilient valve disk which i... | 01/24/1984 |
| 4417857 | Piston pump A piston pump, for use for example for operating auxiliary mechanisms in motor vehicles, has a piston 1 which is reciprocated in a cylinder 2 by an eccentric 20 and a return spring 18. The cylinder 2 has an outlet valve 23, and inlet openings 4 in its sid... | 11/29/1983 |
| 4127366 | Fuel injection pump assembly for diesel engine A pump housing has an upwardly opening cylindrical bore and the bottom of the housing is blinded. Pump elements, such as a tappet and upper and lower spring seats, are slidably disposed in the cylindrical bore, wherein each of the outer diameter of the pu... | 11/28/1978 |
| 4023916 | Cylinder-cylinder head mounting arrangement for diesel-type fuel injection pumps An improved assembly of the working cylinder and cylinder head in a casing of a diesel-type fuel injection pump is described. A lower portion of the cylinder head, which houses a discharge valve, is inserted into the upper portion of the cylinder. A pisto... | 05/17/1977 |
| 3985474 | Hydraulic heads for injection pumps and the injection pumps themselves The hydraulic head especially for an "in line" injection pump, comprises a cylinder forming a pump chamber, in which a pump piston moves, having at least one fuel supply orifice formed in its cylindrical wall. The hydraulic head has a deflector element si... | 10/12/1976 |
| 3967698 | Oiler for power chain saw A power chain saw oiling device that automatically supplies lubricating oil to the cutting chain and guiding cutting bar. The device is easy and economical to fabricate and to assemble in the saw. An oil reservoir is formed in the saw housing and an oil f... | 07/06/1976 |
| 3945773 | Hydraulic heads for injection pumps and the injection pumps themselves The hydraulic head comprises a cylinder forming a pump chamber and comprising at least one fuel supply orifice formed in its cylindrical wall. A pump piston is adapted to move in said cylinder, and a delivery connector is connected to the cylinder. This c... | 03/23/1976 |
