Did You Know...
...During the Civil War, the Confederacy established its own Patent Office which issued 266 patents, a third of which concerned implements of war.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8079345 | High pressure fuel supply control system for internal combustion engine A high pressure fuel supply control system for an internal combustion engine includes fuel injectors connected to a common rail, and a high pressure fuel pump for pressure-feeding to the common rail fuel that is supplied from a low-pressure fuel pump. The high press... | 12/20/2011 |
| 8006673 | Fuel injection pump A low-pressure pump portion pumps fuel from a fuel tank. A pressure regulating valve controls pressure of fuel discharged from the low-pressure pump portion. A high-pressure pump portion pressurizes the discharged fuel. A valve cover has a mounting portion mounted w... | 08/30/2011 |
| 7878181 | Fuel delivery module regulator valve A pressure responsive regulator valve particularly suitable for a vehicle fuel system includes a substantially monolithic T-shaped body having a first bore defining a substantially unrestricted fluid flow path therethrough and a second bore in fluid flow communicati... | 02/01/2011 |
| 7827967 | Low noise fuel pump with variable pressure regulation An engine assembly may include an engine structure defining a combustion chamber, a fuel injector in fluid communication with the combustion chamber, a fuel supply and a fuel pump assembly. The fuel pump assembly may include a housing, a reciprocating member, and a ... | 11/09/2010 |
| 7814890 | Injection means for a combustion engine An injector for fuel includes a passage for receiving fuel at an above-atmospheric first pressure, a pressure amplifier and an injection valve which is settable in an open position and a closed position. The injection valve includes a piston element, a closing chamb... | 10/19/2010 |
| 7762238 | Sleeve metered unit pump and fuel injection system using the same Pressurized injector actuation fluid, such as oil or fuel, is supplied to high pressure common rail by a fixed displacement fluid pump. Variable delivery from the pump is achieved by an improved sleeve metering approach. The sleeve surrounds the reciprocating piston... | 07/27/2010 |
| 7740006 | Fuel-feeding devices A fuel-feeding device may preferably include a pressure control valve capable of controlling a pressure of pressurized fuel that includes a housing having an inner cavity, a first movable dividing wall, a second movable dividing wall, a valve unit and a resilient me... | 06/22/2010 |
| 7717089 | High pressure pump having solenoid actuator A pump includes a housing that has a compression chamber for pressurizing fluid and a fluid passage for guiding fluid into the compression chamber. A valve is located midway through the fluid passage for communicating and blocking the fluid passage. A solenoid actua... | 05/18/2010 |
| 7707996 | High pressure fuel supply pump for internal combustion engine An intake valve automatically opened and closed by pressure of a pressuring chamber is provided in a fuel intake passage, the intake valve is pushed to open by a plunger of an electromagnetic plunger mechanism, pulling-in operating timing of the plunger is controlle... | 05/04/2010 |
| 7574995 | Fuel injection system A fuel injection system for an internal combustion engine, comprises: a pump comprising a pumping plunger which is driven, in use, to cause pressurization of fuel within a pump chamber, an accumulator volume for supplying fuel to a fuel injector, a fuel passage prov... | 08/18/2009 |
| 7559314 | Method for controlling a fuel injector A method in an internal combustion engine for controlling a fuel injector of the unit injector type which includes a plunger that is driven by a rotating camshaft and during a working stroke generates a hydraulic pressure increase in the fuel. Pressure build-up is r... | 07/14/2009 |
| 7549410 | Fuel injection system suitable for low-viscosity fuels A fuel injection system for an internal combustion system includes an Engine Management System (EMS), a fuel feed pump, a return line, a high-pressure pump, supplying fuel under pressure to a common rail, a hydraulically operated valve forming an outlet chamber conn... | 06/23/2009 |
| 7546832 | Control device of high-pressure fuel pump of internal combustion engine A control device of a high-pressure fuel pump of an internal combustion engine capable of improving stability in controlling the drive of the high-pressure fuel pump by limiting the end timing of a drive signal of the high-pressure fuel pump and driving an actuator ... | 06/16/2009 |
| 7546831 | Fuel injection apparatus for engines and method of operating the engine equipped with the apparatus A fuel injection apparatus for engines is provided, with which occurrence of cavitation erosion on constituent parts of the high pressure fuel pump and fuel feed line to the pump in the apparatus is suppressed and high durability is attained even in the case of a hi... | 06/16/2009 |
| 7540274 | High pressure fuel supply pump for internal combustion engine An intake valve automatically opened and closed by pressure of a pressuring chamber is provided in a fuel intake passage, the intake valve is pushed to open by a plunger of an electromagnetic plunger mechanism, pulling-in operating timing of the plunger is controlle... | 06/02/2009 |
| 7509948 | Variable displacement pump with an anti-stiction device A spacer for use with, and to prevent or reduce the occurrence of stiction in, a fluid device such as a pump. The spacer has a generally ring-shaped body, which has first and second facing surfaces separated by a thickness. The spacer is positioned between a movable... | 03/31/2009 |
| 7490592 | Fuel injection apparatus for engine and method of operating the engine equipped with the apparatus A fuel injection apparatus with which energy for driving the high pressure fuel pumps of the apparatus by proper operation of the high pressure fuel pumps in order to reduce waste energy, and a method of operating an engine equipped with the apparatus, are provided.... | 02/17/2009 |
| 7428894 | Fuel pressure controller A fuel pump suctions fuel from a fuel tank and discharges the fuel. A discharge metering valve regulates an amount of the discharged fuel out of the suctioned fuel. The discharged amount is regulated by operating closing timing for closing the discharge metering val... | 09/30/2008 |
| 7415973 | Fuel injection pump equipped with rotary deflector A fuel injection pump equipped with a rotary deflector having an increased lifetime and reduced maintenance cost required to replace the deflector when it is wasted due to cavitation erosion. The deflector comprises a stationary holder and a tip member which is supp... | 08/26/2008 |
| 7412969 | Direct needle control fuel injectors and methods Direct needle control fuel injectors and methods disclosed. The preferred embodiment injectors have a needle within a needle chamber for movement between a closed position preventing injection of fuel and an open position allowing injection of fuel, a source of high... | 08/19/2008 |
| 7413160 | Method for determining a closing time of a closing element and circuit arrangement In a method for determining the closure time for a valve, operated by a piezoelectric actuator, in order to record the closing time, the voltage at the piezoelectric actuator is recorded and the time is recorded at which the voltage has a maximum difference value fr... | 08/19/2008 |
| 7406949 | Selective displacement control of multi-plunger fuel pump A pump for a combustion engine is disclosed. The pump may have at least one pumping member movable through a plurality of displacement strokes during a single engine cycle. The pump may also have a controller in communication with the at least one pumping member. Th... | 08/05/2008 |
| 7398768 | Electromagnetic drive mechanism and a high-pressure fuel supply pump The objective of the present invention is to dampen operating sounds of an electromagnetic drive mechanism used for a variable displacement control mechanism in a high-pressure fuel supply pump to reduce an individual difference depending on apparatus due to the cha... | 07/15/2008 |
| 7383819 | Electromagnetic valve device and fuel injection apparatus with the valve device A compact electromagnetic valve device for fuel injection apparatus for engines is provided with which occurrence of cavitation erosion due to rapid change in pressure in a small gap is prevented without increasing in size. Through holes are drilled in a platy armat... | 06/10/2008 |
| 7380541 | Fuel-injection system for an internal-combustion engine The injection system comprises a high-pressure pump with variable flowrate, having at least one pumping element provided with an intake valve in communication with an intake pipe and a delivery valve in communication with a delivery pipe. A pressure regulator is set... | 06/03/2008 |
| 7377266 | Integrated fuel feed apparatus This invention relates to the engine technical field, more particularly, an integrated fuel feed apparatus. The integrated fuel feed apparatus including a driving member 20, a plunger pump 30 driven by said driving member, a fuel injector 90, a ... | 05/27/2008 |
| 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 |
| 7353805 | Fuel injector pump with trapped volume A pumping system (10) for a fuel injection system including a pump body defining a pumping chamber, a plunger (14), a high-pressure outlet, a high-pressure fluid line (18) connecting the pumping chamber to the outlet and a trapped volume (20 | 04/08/2008 |
| 7353806 | Fuel injector with pressure balancing valve A fuel injector device, for injecting fuel into a combustion chamber of an internal combustion engine, has a nozzle valve and nozzle valve control assembly adapted to use a control valve and high pressure fuel in the fuel injector in order to actuate movement of the... | 04/08/2008 |
| 7339283 | Electronic load regulator An electronic load regulation system for a locomotive may comprise a solid state replacement for existing electro-mechanical load regulators that are used to adjust the excitation current in the field windings of the locomotive's generator. A pressure sensor may inc... | 03/04/2008 |
| 7334570 | Common rail fuel injection system with accumulator injectors A fuel injection system for an internal combustion engine includes a common rail, a plurality of accumulator injectors, and at least one accumulator controller separate from the accumulator injectors and connected to the common rail. Each accumulator controller incl... | 02/26/2008 |
| 7331329 | Fuel injector with directly controlled highly efficient nozzle assembly and fuel system using same Reducing leakage within fuel injectors is one way in which the efficiency of the overall fuel injection system can be improved. In most fuel injectors that include a direct control needle valve, the needle valve member is still biased toward a closed position by a s... | 02/19/2008 |
| 7328690 | Apparatus and method for accurate detection of locomotive fuel injection pump solenoid closure The invention relates to a system and method for detecting a closing of a solenoid. The system includes a capacitive charge circuit electrically coupled to the solenoid. The capacitive charge circuit conditions the current flow through the solenoid to increase the c... | 02/12/2008 |
| 7328688 | Fluid pumping apparatus, system, and method A fluid pumping apparatus, system, and method are disclosed in which an apparatus according to one embodiment of the invention comprises a housing, an inlet through which the fluid enters the housing, an outlet through which the fluid leaves the housing, a valve com... | 02/12/2008 |
| 7325536 | High-pressure fuel pump control device for engine A high-pressure fuel pump control device is capable of reducing current consumption, increasing pump durability, and promoting a rise of fuel pressure from startup. The high-pressure fuel pump control device comprises a fuel injector valve for directly injecting fue... | 02/05/2008 |
| 7325537 | Method, computer program, and control and/or regulating unit for operating an internal combustion engine A high-pressure fuel pump and methods for controlling this high-pressure fuel pump are described in which the pumping quantity regulation does not cause significant heating of the fuel to be pumped. The partial-load efficiency of the high-pressure fuel pump, trigger... | 02/05/2008 |
| 7318413 | Control apparatus for internal combustion engine An engine ECU executes a program including the steps of: detecting an engine speed NE and an engine load (S100, S110); when determination is made of being in an idle region based on the engine speed NE and engine load (YES at S120), determining ... | 01/15/2008 |
| 7318414 | Constant-speed multi-pressure fuel injection system for improved dynamic range in internal combustion engine A fuel injection system operates under a substantially constant pump speed and creates multi-pressure levels by diverting the fuel flow. Fuel pressure can be switched from one steady pressure level to another level on-demand instantly. This superimposes and overlaps... | 01/15/2008 |
| 7316361 | Control valve with pressure compensation for a fuel injector comprising a pressure intensifier A fuel injector with a pressure booster supplied with fuel at high pressure. A work chamber of the pressure booster is separated from a differential pressure chamber via a booster piston. The pressure relief and the subjection to pressure of the differential pressur... | 01/08/2008 |
| 7314040 | Fuel supply apparatus In a fuel supply apparatus, a circuit module has a housing, a driving circuit contained in the housing, an electric connector. The circuit module is mounted to a cover member that is disposed to close an opening of a fuel tank. A fuel pump is supported by the cover ... | 01/01/2008 |
