Celebrity Inventors
Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.
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| Number | Title | Issue Date |
| 6494182 | Self-regulating gasoline direct injection system A self-regulating direct injection fuel delivery system for a motor vehicle includes a common rail having an accumulator including a relatively large fuel volume. The accumulator is connected in fluid communication with a distributor having a relatively s... | 12/17/2002 |
| 6358024 | High capacity supply pump with simultaneous directly actuated plungers A high pressure fuel supply pump comprising a housing (102) and a pump body (108) fixed within the housing along a body axis and including a plurality of radially oriented plunger bores (20), each bore having a plunger (22) disposed therein. An actuating ... | 03/19/2002 |
| 6345609 | Supply pump for gasoline common rail The pumping plungers are actuated radially outwardly and withdraw inwardly by an eccentric rotated by the pump drive shaft and associated captured sliding shoes. Because the shoes are forced to follow the eccentric over the full 360° of rotation, the sho... | 02/12/2002 |
| 6261069 | Shaft seal with pressure equalizing shuttle An apparatus is provided for equalizing pressure between a lubrication fluid for lubricating a pump and a combustion fluid located at a low pressure side of the pump wherein the pump has a rotatable shaft. The apparatus includes a wall defining a bore wit... | 07/17/2001 |
| 6227806 | Lift pump guard Lift pump guard for a pump operable by an electrical motor. The lift pump guard monitors variable parameters and actuates a relay to electrically terminate operation of the pump motor when the pump is dry running. Also a method of protecting a pump from d... | 05/08/2001 |
| 6187188 | Filter cartridge retention system A fuel filter cartridge has a plurality of retention tabs which radially integrally project along the roll seam structure which joins a top section of the housing to the cylindrical lower section. A base contains complementary slots which allow for the ca... | 02/13/2001 |
| 6183212 | Snap-in connection for pumping plunger sliding shoes A fuel supply pump having a plurality of radially disposed plunger sleeves each containing a pumping plunger with a driven end reciprocally movable within the plunger sleeve between a pumping position and a filling position. The fuel supply pump includes ... | 02/06/2001 |
| 6125822 | Two stage pressure relief valve A two stage pressure relief valve for releasing a fluid under pressure includes a body having a bore extending from an inlet and terminating in an outlet. A first chamber which communicates with the inlet and a second chamber which communicates with the f... | 10/03/2000 |
| 6116217 | Full authority rail pressure-reduction valve A hydro-mechanical device and methods therefor, for receiving fuel from a variable displacement fuel pump of a fuel-supply system and delivering the fuel to a common rail of the fuel-supply system, regulates the fuel-pressure in the fuel-supply system, at... | 09/12/2000 |
| 6113361 | Intensified high-pressure common-rail supply pump A fuel pump, a fuel-pressure intensifier sub-assembly and a method of producing intensified high-pressure fuel are disclosed. The pump has a metered fuel circuit, a plurality of low-pressure bores with low-pressure plungers disposed therein, an intensifie... | 09/05/2000 |
| 6062498 | Fuel injector with at least one movable needle-guide A fuel injector having a needle valve and an injector body employs at least one movable needle-guide which having a plurality of movable members disposed between the needle valve assembly and the injector body. The movable members can be insulating member... | 05/16/2000 |
| 6048455 | Filter assembly with conformal cartridge support structure A filter assembly including a base and a disposable filter cartridge. The container of the filter cartridge has a top portion of an upper section that is received in the base and which may deform into engagement with the interior receiving surface of the ... | 04/11/2000 |
| 6027312 | Hydraulic pressure supply pump with simultaneous directly actuated plungers A pump and associated method including the steps of pre-metering successive quantities of fuel from a reservoir to a positive displacement transfer pump, then actuating the transfer pump to raise the pressure of the successive quantities of fuel by at lea... | 02/22/2000 |
| 6024298 | Servo controlled common rail injector A fuel injector to inject fuel into a cylinder of an internal combustion engine when installed therein. The injector has an injector body which defines an interior cavity, a movable needle valve which cooperates with the interior body to define a variable... | 02/15/2000 |
| 6019890 | Fuel filter with hand primer A fuel filter assembly employs a hand primer and a disposable filter cartridge mounted to a header. The filter cartridge has a filter element which defines an interior chamber for receiving the filtered fuel. The hand primer includes a diaphragm which coo... | 02/01/2000 |
| 6007711 | Diverter assembly for fuel filter The base assembly of a fuel filter assembly includes a base member and a bimetallic disc. The base member has a fuel supply inlet for receiving a flow of new fuel from a fuel tank and an inlet plenum in fluid communication with the fuel supply inlet and t... | 12/28/1999 |
| 5988142 | Duration control of common rail fuel injector A fuel injector employs at least one sensing device for sensing material deformations occurring in the injector components during usage to thereby monitor injector performance. The sensing device is preferably at least one of the many piezoelectric sensor... | 11/23/1999 |
| 5985144 | Reverse flow cartridge An improved fuel filter cartridge comprises a housing which defines an opening, a filter element enclosed within the housing, and a flow-reversing insert disposed within the housing between the opening and the filter element. The improved filter cartridge... | 11/16/1999 |
| 5980214 | Fluid pump with split plungers A fuel pump (10) for supplying fuel to an internal combustion engine employs at least one composite pumping plunger (43) disposed within a plunger bore (46) for reciprocation therein. Each composite plunger comprises at least a high-pressure plunger eleme... | 11/09/1999 |
| 5947382 | Servo controlled common rail injector A fuel injector to inject fuel into a cylinder of an internal combustion engine when installed therein, the engine having a high-pressure fuel supply which delivers fuel to the injector and a low-pressure fuel return which removes fuel from the injector. ... | 09/07/1999 |
| 5938921 | Water baffle for filter cartridge An improved fuel filter cartridge can be used with a header of a conventional fuel filter assembly. The cartridge has a water coalescing sock filter enclosed within a housing and a generally conically shaped water separating baffle with a spiralling rim a... | 08/17/1999 |
| 5915926 | Lift pump for filter module A fuel filter assembly of modular form is adapted to incorporate a lift pump or an automatic primer. The lift pump is mounted to the filter base by means of a lock ring. Fuel supplied to the filter base inlet is supplied to a rotary vane-type or gerotor p... | 06/29/1999 |
| 5890653 | Sensing and control methods and apparatus for common rail injectors A fuel injector employs at least one sensing device for sensing changes in the thermodynamic properties of the fuel within the injector to thereby monitor injector performance during usage. In some embodiments, advantageously placed temperature sensors ar... | 04/06/1999 |
| 5888054 | Fuel pump having dual profile cam ring for driving low and high pressure reciprocating plungers A novel fuel pump arrangement comprises cam driven low and high pressure reciprocating plunger pump units. The fuel pump has rotary drive means, a high pressure pump with a pump body which defines a pumping chamber with an annular arrangement of a plurali... | 03/30/1999 |
| 5887573 | Fuel filter with cold start circuit A fuel circuit for a fuel system including a fuel tank, a fuel injection system, and a fuel filter assembly. Excess fuel flow is recirculated from the fuel injection pump to the base of the fuel filter. The base includes an internal recirculated fuel pass... | 03/30/1999 |
| 5868931 | Primer system for filter assembly A fuel filter assembly employs a hand primer and a disposable filter cartridge mounted to a filter base. The filter cartridge and filter base define a fuel flow path through the filter assembly. The filter base includes a sump for receiving fuel that has ... | 02/09/1999 |
| 5852997 | Common rail injector An injector for a common rail fuel injection system employs a solenoid operated valve configuration which functions to control the amount of filling by regulating the start of filling and the end of filling between the injection events. In some embodiment... | 12/29/1998 |
| 5837137 | Base/cartridge location and key system for fuel filter assembly A locating and keying system for a filter system assembly employs protrusions having a selected location and shape, such as a spherical sector cap, a pie wedge, a square or a bead, which longitudinally protrude from the end receiving surface of the base. ... | 11/17/1998 |
| 5794598 | Fuel circuit and circulation method for fuel injection system A fuel circuit for a fuel system including a fuel reservoir, a fuel injection system, a fuel lift pump, and a fuel filter assembly. The fuel circuit includes a fuel passageway for recirculating the excess fuel flow from the outlet of the fuel injection pu... | 08/18/1998 |
| 5769611 | Hydraulic pressure supply pump with multiple sequential plungers A plurality of plungers situated radially in a pump body, are sequentially actuated inwardly by a rotatably driven, eccentrically mounted actuating ring. A central valve housing is coaxially received within the body and includes a fuel inlet chamber and a... | 06/23/1998 |
| 5766463 | Fuel filter cartridge A fuel filter cartridge is formed from a pair of shell sections which are joined along a roll seam to form a retaining shoulder. The sections have generally cylindrical walls which are symmetric about a central axis. One of the sections has a diameter gre... | 06/16/1998 |
| 5688110 | Fuel pump arrangement having cam driven low and high pressure reciprocating plunger pump units A novel fuel pump arrangement comprises cam driven low and high pressure reciprocating plunger pump units. The fuel pump has rotary drive means, a high pressure pump with a pump body which defines a pumping chamber with an annular arrangement of a plurali... | 11/18/1997 |
| 5685275 | Fuel injection pump with spill and line pressure regulating systems A fuel injection pump having a pump rotor with a pump body and distributor rotor in coaxial alignment, the pump body having a pumping chamber with one or more diametral pumping plunger bores with opposed pumping plungers; a cam ring surrounding the pump b... | 11/11/1997 |
| 5614091 | Fuel filter master module with optional diverter capability A filter module for filtering a flow of fluid employs a base member which either mounts a blanking plug or a diverter valve module. The plug is replaced by a diverter valve module for use with those engines that require an auxiliary source of low pressure... | 03/25/1997 |
| 5578221 | Fuel filter with improved hand primer A fuel filter assembly employs a disposable filter cartridge disposed in a housing comprising a container and a cap. The cap comprises a cap member composed of elastomeric material, an externally projecting fuel outlet, and a centrally disposed axially ex... | 11/26/1996 |
| 5540564 | Rotary distributor type fuel injection pump A rotary distributor fuel injection pump with a drive shaft coupled to a pump rotor by a radially offset and axially extending drive pin with a cylindrical head received within a radial slot in the rotor; a coaxial throughbore in the rotor providing a val... | 07/30/1996 |
| 5525225 | Fuel filter with internal vent A fuel filter assembly employs a base which mounts a disposable filter cartridge. A pair of axial conduits in the base provide fluid communication between the base and the cartridge. An axial conduit and at least one baffle positioned on the axial conduit... | 06/11/1996 |
| 5503127 | Fuel injection pump with auxiliary control system A fuel injection pump having an inlet metering valve for supplying a metered quantity of fuel from a transfer pump to a pumping chamber and an auxiliary control system for limiting the maximum quantity of fuel supplied to the pumping chamber via the inlet... | 04/02/1996 |
| 5489384 | Single stage fuel filter with seal control air purge A fuel filter assembly employs a base which mounts a disposable filter cartridge. A pair of axial conduits in the base provide fluid communication between the base and the cartridge. An axial sealing member mounted in the cartridge receives the axial cond... | 02/06/1996 |
| 5484527 | Module for filter assembly base A filter assembly employs a base which mounts a disposable filter element cartridge. The cartridge includes either a single stage or a dual stage filter system. The base has custom and generic structural members. Variations in base design are accommodated... | 01/16/1996 |
