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| Number | Title | Issue Date |
| 7320313 | Differential pressure regulator for fuel systems A differential pressure regulator includes a housing having a first and second chamber, a fuel pump inlet, a passage, and a return orifice. The fuel pump inlet is in fluid communication with the passage and the first chamber while the return orifice is in fluid comm... | 01/22/2008 |
| 7156376 | Carburetor electronic control system A carburetor electronic control system includes: transmission devices coupled to valves for opening and closing an intake path of a carburetor; electric motors that make the valves open and close via the transmission devices; and an electronic control unit for contr... | 01/02/2007 |
| 7128059 | Air induction system and evaporative emissions control device A device comprising an air intake duct and at least one passive one-way air intake valve disposed in the air intake duct. There is also an actuator coupled to the one-way valve for biasing the one-way valve in a closed position. During operation, the one-way air int... | 10/31/2006 |
| 7086234 | Gas turbine combustion chamber with defined fuel input for the improvement of the homogeneity of the fuel-air mixture A gas turbine combustion chamber with a burner 7, includes means for the supply of fuel and an atomizer 6, wherein the means for the supply of fuel are provided such that the fuel is injected in areas with maximum airflow velocity. ... | 08/08/2006 |
| 7047942 | Piping structure of fuel injection pipes for engine Cylinder heads (100a to 100f are respectively provided with fuel injectors (101a to 101f). Each of the fuel injectors (101a to 101f) is connected to each of joints (105a | 05/23/2006 |
| 7047935 | Throttle body having internally connected double pipe structure A resinous throttle body has a bore wall part having a double pipe structure constructed with a bore inner pipe and a bore outer pipe that are connected with each other via an annular connecting part. The annular connecting part has axial board thickness set to be l... | 05/23/2006 |
| 6971592 | Fuel injection device for an internal combustion engine A fuel injection device of an internal combustion engine includes a housing with an injection region. The housing contains a recess in which two valve elements are disposed. The inner valve element is shorter than the outer valve element. A loading device at least s... | 12/06/2005 |
| 6901964 | Vehicle fuel pulse damper A fuel pressure pulse damper includes metallic damper body defining a chamber in which a flexible diaphragm is received in a manner to dampen fuel pressure pulses between a fuel pump and fuel injectors of a vehicle fuel system. The damper body includes a barbed fitt... | 06/07/2005 |
| 6631705 | Modular fuel control apparatus The present invention provides a fuel control apparatus with a modular fuel pressure modifying mechanism (i.e., a fuel metering section) and modular fuel regulator mechanism (i.e., a fuel regulator section) that can each be calibrated independently of eac... | 10/14/2003 |
| 6186118 | Integrated fuel rail and direct injection fuel pump A vehicle fuel system has an integrated fuel rail and fuel pump that supplies high pressure fuel directly to the injectors mounted on the engine. The pump is a double acting single piston pump that has two pumping chambers formed co-axially in a single ca... | 02/13/2001 |
| 5836749 | Piston type liquid fuel pump with an improved inlet valve A fuel injection system for injecting gasoline or other fuel directly into the combustion chambers of an internal combustion engine including a fuel pump with a plurality of fuel pumping pistons mounted within cylinders formed in a fixed barrel member. Ea... | 11/17/1998 |
| 5359977 | Fluidic metering system A fluid-mechanical variable Venturi metering system having a contoured moveable element in an intake casing to an internal combustion engine whose shape and Venturi air passage(s) results in automatic shifting of the moveable element by aerodynamic force ... | 11/01/1994 |
| 5341785 | Fuel delivery system for internal combustion engines A fuel delivery system for internal combustion engines that includes a source of fuel under pressure, fuel lines for feeding fuel to the individual cylinders of the engine, and a distributor for metering fuel under pressure from the source to the individu... | 08/30/1994 |
| 5320081 | Fuel injection economizer To improve combustion efficiency of gasoline engines having fuel injection responsive to, among other inputs, an exhaust sensor, fuel is introduced into the intake manifold in a constant stream. The fuel is taken from a return line returning excess fuel f... | 06/14/1994 |
| 5275539 | Internal combustion engine oil pump A lubricant pump for supplying lubricant to an internal combustion engine, the pump comprising a housing defining a pump chamber, an inlet which is adapted to communicate with a source of lubricant and which communicates with the pump chamber, and an outl... | 01/04/1994 |
| 5186147 | Multi-port return type pressure regulator A fuel regulator for controlling one or more carburetors and having a return to the fuel tank arrangement. The invention comprises a unique arrangement of an hourglass shaped plunger that permits virtually unrestircted flow through the body of the regulat... | 02/16/1993 |
| 5119787 | Fuel supply system for injection carburetors A fuel supply system for injection carburetors includes an orifice, a constant flow rate control device, and a fuel supply source and is provided with a first fuel channel circulating fuel of a predetermined flow rate, a second fuel channel branching off ... | 06/09/1992 |
| 5035222 | System for correcting the composition of fuel-air mixture upon a change in the state of loading of an internal combustion engine A system with which a correction of the fuel composition upon a change in the state of load of an internal combustion engine with which a mixture-forming device (4, 6, 8, 9, 11) is associated is constructed in structurally simple manner. The mixture-formi... | 07/30/1991 |
| 5031596 | Fuel supply system for injection carburetors A fuel supply system for injection carburetors includes an orifice, a constant flow rate control device, and a fuel supply source and is provided with a first fuel channel circulating fuel of a predetermined flow rate, a second fuel channel branching off ... | 07/16/1991 |
| 5025758 | Gas injection system This invention relates to apparatus for metering the supply of natural gas to an internal combustion engine having an air intake manifold and throttle valve mounted therein comprising: a pressure regulator for regulating the pressure of said natural gas; ... | 06/25/1991 |
| 4986240 | Fuel injection device for injection carburetors The fuel injection device for injection carburetors comprises a slow fuel control unit consisting of an air pressure regulator and a fuel pressure regulator, and a main fuel control unit consisting of another air pressure regulator and another fuel pressu... | 01/22/1991 |
| 4971013 | Fuel injection device for injection carburetors The fuel injection device for injection carburetors is provided with a single fuel control unit for injecting a fuel into a suction tube in quantities corresponding to flow rates of air to be drawn into the suction tube, a slow negative pressure passage c... | 11/20/1990 |
| 4909220 | Fuel injection The base of a fuel injector has a plurality of radially opening recesses that receive the ends of injection tubes, the end of each tube is flared and surrounded by an O-ring that seals the tube in its recess, each tube is surrounded by a sleeve that suppo... | 03/20/1990 |
| 4895184 | Fluid servo system for fuel injection and other applications A fuel injection system for a spark-ignition internal combustion engine in which combustion air is fed through an air flow meter to produce an input force whose strength is proportional to the mass-volume of the air. This input force actuates the valve me... | 01/23/1990 |
| 4869219 | Dual spring air fuel control for the PT fuel system A tamper-proof dual spring controlled air fuel control for a compression ignition type internal combustion engine is provided wherein fuel is supplied to the engine cylinders in response to the pressure of the air in the intake manifold. A pair of opposit... | 09/26/1989 |
| 4840163 | Electromagnet, valve assembly and fuel metering apparatus A fuel injection fuel supply system for a combustion engine has a fuel injector valve effective for metering and injecting all of the required fuel to the engine induction system; in one version a single valve functions to supply the required fuel in equa... | 06/20/1989 |
| 4745903 | Pressure regulating valve A pressure regulating valve is proposed which serves to regulate a constant pressure of a medium. The pressure regulating valve includes a valve housing and a regulating piston, which is supported in a slide bore such that it is displaceable by the pressu... | 05/24/1988 |
| 4714065 | Method and device for supplying fuel and air to an internal combustion engine A method and a device for supplying fuel and air to an internal combustion engine 1, in the case of which fuel is supplied to at least one injection valve 2 and combustion air is supplied to at least one intake pipe 3 provided with a throttle 4. For the p... | 12/22/1987 |
| 4648368 | Fuel injection system A fuel injection system is proposed which serves to adapt the fuel-air mixture as precisely as possible to operating conditions of the internal combustion engine. The fuel injection system includes metering valves, each of which is assigned a regulating v... | 03/10/1987 |
| 4646706 | System for continuous fuel injection In the representative system for continuous fuel injection described in the specification, an air pump withdraws air from the air intake line of a gasoline engine and a fuel pump delivers fuel from a fuel tank through a fuel pressure regulator to a meteri... | 03/03/1987 |
| 4606317 | Fuel injection system A fuel injection system is proposed which serves to supply fuel to an internal combustion engine. The fuel injection system includes a metering and quantity distributing valve connected with regulating valves, which can be acted upon by the fuel pressure ... | 08/19/1986 |
| 4549515 | Fuel injection system A fuel injection system for internal combustion engines which has a metering valve disposed in a fuel supply line, in which adjusting characteristics for controlling the metering valve are strictly linear, thereby enabling a predictable, flexible fuel met... | 10/29/1985 |
| 4545353 | Fuel injection system A fuel injection system is proposed which serves to adapt the fuel-air mixture as precisely as possible to operating conditions of the internal combustion engine. The fuel injection system includes metering valves, each of which is assigned a regulating v... | 10/08/1985 |
| 4545354 | Fuel injection valve A fuel injection valve which serves to inject fuel in an internal combustion engine. The fuel injection valve includes a nozzle holder in which a nozzle body having an injection port is disposed. The injection port is opened by a closing body movable coun... | 10/08/1985 |
| 4538577 | Fuel injection apparatus for internal combustion engine An intake passage for an internal combustion engine is provided on the downstream side of a throttle valve with a fuel injection nozzle connected through a fuel passage to a fuel pump and is additionally provided on the upstream side thereof with an air m... | 09/03/1985 |
| 4516552 | Air quality measuring device for a fuel injection installation In an air quantity measuring device for a continuously operating fuel injection system, the baffle plate which actuates the control piston of the fuel quantity distributor by way of a lever, is provided with a raised portion on the inflow side thereof; to... | 05/14/1985 |
| 4503831 | Apparatus for air-injection of liquid gas An apparatus for the air-injection of liquid gas into the intake tube of an internal combustion engine. The apparatus includes a vaporizer pressure regulating valve, downstream of which a metering valve having a metering piston is disposed, which being mo... | 03/12/1985 |
| 4489700 | Method for supplying an internal combustion engine with fuel and a fuel supply system for performing the method A method for supplying an internal combustion engine with liquefied petroleum gas (LPG) and a fuel supply system for the supplying the LPG into the intake manifold of an internal combustion engine are proposed. The fuel supply system includes a pump, whic... | 12/25/1984 |
| 4485788 | Fuel injection installation for a multi-cylinder aircraft engine A fuel injection system for a multi-cylinder aircraft engine in which, in order to secure the fuel supply, a pressure-measuring device is connected to the feed line leading from the fuel tank to the fuel quantity distributor, into which are installed two ... | 12/04/1984 |
| 4485792 | Method for supplying an internal combustion engine with liquefied petroleum gas and apparatus for performing the method A method for supplying an internal combustion engine with liquefied petroleum gas (LPG) and an apparatus for blowing LPG into the intake manifold of the engine. The apparatus includes an evaporator-pressure regulating valve, downstream of which a metering... | 12/04/1984 |
