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| Number | Title | Issue Date |
| 7942133 | Control method of an electronic injection fuel feeding system A control method of an electronic injection fuel feeding system for an internal combustion engine and displaying at least one injector and a non-continuous flow rate fuel pump actuated by a an actuator device; the control method includes the steps of: determining th... | 05/17/2011 |
| 7886720 | Method for operating a fuel pump In a method for operating a fuel pump in order to guide fuel from the fuel container of an internal combustion engine, the electric energy, which is in the form of pulses, is periodically guided to the fuel pump and the duration of the pulses is controlled according... | 02/15/2011 |
| 7827966 | Fuel supply apparatus An ECU reduces a fuel flow rate discharged from an electric pump to the filter when a fuel temperature and a fuel pressure in the filter detected by a sensor portion drop. Since a mechanical pump continues to be driven without respect to the fuel quantity discharged... | 11/09/2010 |
| 7814889 | Electric fuel pump An electric fuel pump includes a pump unit, motor unit, fuel discharge unit, stator holder, magnet wire, connection terminal, first mold resin, driver board assembly, and second mold resin. The fuel discharge unit includes a discharge port member and discharges fuel... | 10/19/2010 |
| 7784446 | Conveying device comprising a fuel pump A conveying device (1) has a fuel pump (5) for supplying an internal combustion engine (2) of a motor vehicle with fuel. The conveying device further has a monitoring apparatus (10) for determining the wear condition or the degree of soil... | 08/31/2010 |
| 7677224 | Fluid pump control apparatus A fuel supply system comprises an engine control unit (ECU), a fuel pump with a built-in pump motor which is PWM controlled based on a control signal from the ECU, a pump controller for controlling supply of electric power to the pump motor, and sensors for detectin... | 03/16/2010 |
| 7658180 | Fuel pump and fuel feed system for an internal combustion engine of a motor vehicle having a fuel pump In a fuel pump in the form of a side-channel pump for a motor vehicle two partially annular ducts (21, 22) concentrically enclosing one another are connected to one another via a connecting duct (29). Connections (33, 34) of the connecting duct ... | 02/09/2010 |
| 7568469 | Control device for a high-pressure fuel supply system using variable displacement fuel pump with reduced power consumption A high pressure fuel supply system includes: a high pressure fuel pump having a normally closed electromagnetic valve; and a controller for calculating a valve open signal and a valve close signal for the electromagnetic valve in accordance with a state amount of an... | 08/04/2009 |
| 7509945 | Fuel pump speed control system A fuel pump controller includes a detecting device for detecting environmental vibrational energy and converting the environmental vibrational energy into an electrical signal. A motor controller is coupled to a fuel pump motor wherein the electrical signal is used ... | 03/31/2009 |
| 7497207 | Fuel tank and associated controller A vehicle fuel system having a fuel tank with an opening with a closure disposed adjacent a vehicle component with a service access opening and closure adjacent the tank closure, and an electronic controller carried by the vehicle component closure. At least one ele... | 03/03/2009 |
| 7493893 | Fuel supply system for diesel engine A fuel supply system is incorporated into a diesel engine including a low-pressure fuel pump 2, a high-pressure fuel pump 3, a common rail 4, fuel injection valves 5 and a fuel return line 14. The fuel supply system reduces the dis... | 02/24/2009 |
| 7487761 | Detection of fuel system problems A method for detecting failures in a fuel system of a motor vehicle including monitoring a feed-forward table of a fuel pump controller that is electrically connected to a fuel pump of the fuel system. The fuel pump controller is electrically connected to a rail pre... | 02/10/2009 |
| 7481202 | Procedure to operate a fuel system of an internal combustion engine In the operation of a fuel system of an internal combustion engine, the fuel is compressed by a fuel pump and travels by way of at least one fuel injection device into at least one combustion chamber of the internal combustion engine. It is proposed that at least pe... | 01/27/2009 |
| 7458364 | Internal combustion engine having a fuel injection system With reference to Figure, the present invention provides a fuel injection system for an internal combustion engine which delivers fuel to be mixed with charge air for subsequent combustion in a combustion chamber of the internal combustion engine. The fuel injection... | 12/02/2008 |
| 7448363 | Fuel delivery system and method of operation A fuel delivery system for an engine. The fuel delivery system includes a fuel tank, at least one fuel injector, a fuel pump, a pressure sensor, a temperature sensor, and an engine control module. The fuel pump is configured to draw fuel from the fuel tank and provi... | 11/11/2008 |
| 7438050 | Fuel injection system for an internal combustion engine An internal combustion engine having a fuel injector which functions as a positive displacement pump and dispenses an amount of fuel which is fixed for each and every operation of the injector, and a controller which controls the operation of the fuel injector. In r... | 10/21/2008 |
| 7431020 | Adaptive fuel delivery module in a mechanical returnless fuel system A returnless fuel system has a fuel pump whose speed is varied by varying the voltage across the fuel pump. Controlling the fuel pump speed entails sensing the back pressure with a pressure sensor that may lie between the jet pump supply orifice and the pressure reg... | 10/07/2008 |
| 7418948 | Fuel pump having motor arrangement and pump arrangement A stator core of a motor arrangement includes six cores, which are arranged one after another in a circumferential direction. A bobbin, which is made of dielectric resin, is fitted to each core. Each coil is formed such that a winding is wound around the bobbin thro... | 09/02/2008 |
| 7412953 | Engine control device An engine control device that controls, using a microprocessor, a fuel injection device including an injector and a fuel pump, and a starter motor that starts an engine, including: first fuel pump driving means for driving the fuel pump only during set time at power... | 08/19/2008 |
| 7406950 | Fuel supply apparatus of engine The invention can avoid an energy dissipation and a consumption of an apparatus by minimizing a driving amount of a fuel pump and maintain an improved fuel supply state, in a fuel supply system injecting a liquefied gas fuel by an injector and supplying to an engine... | 08/05/2008 |
| 7395814 | Electronic voltage regulation for a marine returnless fuel system A fuel system for a marine propulsion device controls the pressure of liquid fuel within a fuel rail by altering the pump speed of a fuel pump. The fuel pressure in the rail is measured by a pressure transducer which provides an output signal to a microprocessor tha... | 07/08/2008 |
| 7392794 | Fluid apparatus having pumps and method for controlling the same A fluid apparatus, which is provided for supplying fluid into an internal combustion engine, includes an upstream pump, which is electrically driven, having an outlet port. The fluid apparatus further includes a downstream pump, which is electrically driven, having ... | 07/01/2008 |
| 7370635 | System and method for resolving electrical leads A control system for controlling a device, the device having at least two functional elements, each functional element being controlled by a control signal, is disclosed in the present disclosure. The control system may include detecting means operatively connected ... | 05/13/2008 |
| 7363916 | Fuel injection system and method for determining the feed pressure of a fuel pump The invention relates to a fuel injection system comprising a fuel reservoir to which fuel is fed via at least one first pump and from which fuel is discharged via injectors. The invention is characterized in that the feed pressure of the first pump is adjusted depe... | 04/29/2008 |
| 7360432 | Apparatus for detecting pressure The present invention relates to apparatuses for detecting fuel pressure in internal combustion engines. The invention especially relates to internal combustion engine applications in which fuel reaches a high pressure. The apparatus according to the invention is a ... | 04/22/2008 |
| 7353103 | Fuel system performance monitor A system for monitoring performance of a fuel system in a vehicle includes a plurality of sensing modules that periodically sense data from a plurality of control systems in the vehicle during a predetermined evaluation period. The system includes a control module t... | 04/01/2008 |
| 7350510 | Fuel supply apparatus for internal combustion engine The engine ECU executes a program including the step of determining whether there is a possibility of occurrence of air bubbles within the high-pressure delivery pipe when there is an engine start request, the step of transmitting an open-instruction signal to the e... | 04/01/2008 |
| 7347177 | Fuel pump control An apparatus in a mechanical returnless fuel system is provided that includes a fuel pump motor for providing fuel to a powertrain system. A powertrain control module provides an activation signal for activating the fuel pump motor. A restraint control system includ... | 03/25/2008 |
| 7347188 | Controller for common rail fuel injection system In a common rail fuel injection system, a fuel pump pressure-feeds fuel to a common rail, which accumulates the fuel at high pressure corresponding to fuel injection pressure. An electronic control unit (ECU) drives and controls a suction control valve provided in t... | 03/25/2008 |
| 7337652 | Fuel system with leak location diagnostic features and component for same A leak diagnostic strategy for an engine equipped with a high pressure common rail fuel system includes a plurality of separate leak lines. Each of the leak lines is constructed and positioned to capture fuel leaking from one of several different high pressure space... | 03/04/2008 |
| 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 |
| 7325524 | Ignition/fuel injection system with auxiliary and separation charging power sources An ignition/fuel injection system adapted with an auxiliary power source to exclusively supply power needed for the operation of the system, and a separation charging power source to separate that from the batteries for starting the motor so to avoid affecting the n... | 02/05/2008 |
| 7320312 | Fuel injection device for internal combustion engine A fuel injection device of an internal combustion engine executes tentative learning repeatedly while engine cooling water temperature increases. An actual learning value is renewed with the newest instrumental error learning value so that accuracy of the actual lea... | 01/22/2008 |
| 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 |
| 7318416 | Liquid fuel pump A liquid fuel system for an internal combustion engine includes a fuel supply line, a fuel pump connected to the supply line and having an outlet to a carburetor or a liquid fuel injector. A mechanical contact between the pump and a component of the internal combust... | 01/15/2008 |
| 7314039 | Method of controlling operation of a liquid-fuel combustion appliance A method of controlling operation of a liquid-fuel combustion appliance. The method is characterized by including an “antiseize operating mode” in which an electric motor and a fuel pump, powered by the electric motor, are started periodically to prevent oxidati... | 01/01/2008 |
| 7307355 | Power supply apparatus for fuel injection apparatus A power supply apparatus comprised of a bridge circuit made up of rectification diodes and MOSFETs for rectifying an output of a generator through a full-wave rectifier circuit comprised of rectification diodes and parasitic diodes of the MOSFETs and obtaining a sup... | 12/11/2007 |
| 7303378 | Apparatus for delivering fuel from a tank to an internal combustion engine The fuel supply apparatus according to the invention is improved in a simple manner in that it is provided with short fuel lines. According to the invention, the drive line of the suction jet pumps is connected to a pressure line downstream of the fuel supply pump a... | 12/04/2007 |
| 7302938 | Mechanical returnless fuel system A mechanical returnless fuel system comprises a fuel pump having an output for supplying fuel to fuel injectors of an automotive engine. The fuel system includes a pressure regulating valve that returns a portion of the pump output in excess of engine fuel usage to ... | 12/04/2007 |
| 7290534 | Injector leakage limitation A fuel supply system (100) for a combustion engine (180) has at least one fuel injector (110), a fuel pump (130) and a conduit (150) connecting the fuel pump (130) with the fuel injector (110). An air intake valve ( | 11/06/2007 |
