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| Number | Title | Issue Date |
| 8074626 | Charge control unit and charge control system for fuel injection valve A charge control unit controls electricity charged to a piezo element, which is for actuating a backpressure control valve so as to control backpressure applied to a valve element for a fuel injection valve. The backpressure control valve is configured to start to d... | 12/13/2011 |
| 7665444 | Apparatus system and method for measuring a normalized air-to-fuel ratio An apparatus, system, and method are disclosed for measuring a normalized air-to-fuel ratio. A normalized air-to-fuel ratio is measured by providing an engine control module, providing a first wide-band oxygen sensor in fluid communication with an exhaust stream, ad... | 02/23/2010 |
| 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 |
| 7422001 | Accumulator fuel injection apparatus for engines An accumulator fuel injection apparatus is provided in which average pressure in the common rail can be detected by an extremely simple and inexpensive means with increased accuracy to be used as a control signal for controlling fuel injection. A pressure detection ... | 09/09/2008 |
| 7418951 | Fuel feed apparatus having control unit for fuel pump A fuel feed apparatus is provided for supplying fuel from a fuel tank to an internal combustion engine, which is controlled using an engine control unit. The fuel feed apparatus includes a pump module that is provided to the fuel tank. The pump module includes a fue... | 09/02/2008 |
| 7383804 | Procedure to recognize a depressurized fuel system A procedure to recognize a depressurized fuel system of a motor vehicle with an internal combustion engine that includes a parameter characterizing the fuel system temperature is acquired when turning off the internal combustion engine; a parameter characterizing th... | 06/10/2008 |
| 7363911 | Humidity-based combustion control in a multiple combustion mode engine A system and method for controlling operation of a gasoline internal combustion engine capable of running in a spark ignition mode and a homogeneous charge compression ignition mode. The method and system implementation include determining humidity of air to be draw... | 04/29/2008 |
| 7363803 | Failure diagnostic system for fuel vapor processing apparatus In a failure diagnostic system for a fuel vapor processing apparatus, a processing flow path comprising a vapor line, a canister and a purge line is closed with a vapor control valve and a purge control valve. The interior of the processing flow path is reduced in p... | 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 |
| 7359791 | Internal-combustion engine with means for determining the mass of fresh intake air, and associated method of determination An internal-combustion engine, comprises at least one cylinder, at least one intake pipe and at least one exhaust pipe associated to the cylinder, at least one intake valve and at least one exhaust valve, which control passage through the intake and exhaust pipes, w... | 04/15/2008 |
| 7353687 | Reference leak A reference leak includes a leak layer formed of one of a metallic material, a glass material, and a ceramic material. The metallic material is selected from the group consisting of copper, nickel, and molybdenum. The leak layer comprises a number of substantially p... | 04/08/2008 |
| 7348084 | Air distribution method and controller for a fuel cell system An airflow control system and method for a fuel cell includes a compressor that supplies air to a storage chamber for storing the air. Fuel cell subsystems are connected to the air storage chamber. Each of the fuel cell subsystems includes a flow controller and flow... | 03/25/2008 |
| 7349790 | Method for operating a flex fuel conversion system A method for operating a flex fuel conversion system for efficiently providing an aftermarket fuel delivery system which allows a vehicle to be operated on gasoline, ethanol or any combination of gasoline and ethanol. The a method for operating a flex fuel conversio... | 03/25/2008 |
| 7347193 | Method and device for determining the mass flow rate passing through the air-bleed valve of an internal combustion engine tank A device for determining the mass flow via a tank venting valve for an internal combustion engine including an intake manifold and a throttle valve, the intake manifold being connected to the tank venting valve and an exhaust gas recirculation system, one measuring ... | 03/25/2008 |
| 7347183 | Control apparatus and control method for engine For accurately estimating an air quantity flowing into a cylinder at the time of operating an intake control valve, a control apparatus for an engine according to the present invention is provided with an intake control valve which can open/close an intake passage i... | 03/25/2008 |
| 7341048 | Fuel vapor treatment apparatus A concentration-detecting unit detects concentration of fuel vapor flowing in a concentration-detecting passage branched from a purge passage. The concentration-detecting passage communicates with a communicating passage of a canister. Air including the fuel vapor o... | 03/11/2008 |
| 7337798 | Gas supply apparatus A gas line (120) for supplying hydrogen gas and a harness (110) for supplying power to an electromagnetic valve are connected to an electromagnetic valve mechanism (200). The length of the harness (110) from a connecting member (111 | 03/04/2008 |
| 7337041 | Feedback control methods and apparatus for electro-pneumatic control systems Methods and apparatus related to feedback control for electro-pneumatic control systems are disclosed. An example electro-pneumatic control system comprises an electro-pneumatic controller and a secondary pneumatic power stage coupled to the electro-pneumatic contro... | 02/26/2008 |
| 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 |
| 7322345 | Stuck-open failure detection system for gas-fuel injection valve Disclosed is a stuck-open failure detection system for a gas-fuel injection valve adapted to inject or supply gas fuel into/to a combustion chamber of an engine, which comprises: a shutoff value interposed in a fuel supply passage fluidically connected to the gas-fu... | 01/29/2008 |
| 7318409 | Vehicle engine control system utilizing humidity sensor A system and method for utilizing a humidity sensor with an internal combustion engine of a vehicle is described. Specifically, information from the humidity sensor is used to adjust a desired air-fuel ratio to reduce engine misfire while improving vehicle fuel econ... | 01/15/2008 |
| 7313947 | Corrosion sensing microsensors A microsensor for detecting corrosive media acting on a bulk metallic material when mounted in situ adjacent a location in the bulk metallic material. The microsensor includes a plurality of corrosion sensors (4A, 4B, 4C) exposed to the corrosiv... | 01/01/2008 |
| 7311084 | Fuel injection system This invention provides a simple means to initiate the movement of a vehicle by utilizing a fuel injector system, which determines a length of a magnet on the flywheel or crankshaft pulley. This system enables a person to choose a speed where fuel from a fuel inject... | 12/25/2007 |
| 7311005 | Method and device for continuous measuring of dynamic fluid consumption, including pressure regulator In a method for continuous measuring of dynamic fluid consumption, particularly fuel, the pressure beyond the flow sensor is adjusted to a constant value by means of a pressure regulator by using a continuously-operating flow sensor with variable pressure drop, pref... | 12/25/2007 |
| 7299788 | Internal combustion engine and method of detecting abnormality of internal combustion engine When fuel supply is stopped while an engine is decelerating, pressure in each cylinder is detected using a pressure sensor, and the peak value of the pressure in each cylinder is determined. Also, an intake air amount is detected when the fuel supply is stopped, and... | 11/27/2007 |
| 7290455 | Driver configuration for an ultrasonic flow meter A method and system for driver configuration for an ultrasonic meter. At least some of the illustrative embodiments are ultrasonic meters comprising a spool piece that couples within a flow of fluids, a first upstream transducer mechanically coupled to the spool pie... | 11/06/2007 |
| 7287515 | Engine fuel control system A fuel control method and system is provided for delivering fuel to an engine that employs an engine controller that is configured to the fuel injection quantity delivered to the engine. The engine controller is configured to: calculate a fuel injection quantity bas... | 10/30/2007 |
| 7278309 | Interdigitated, full wheatstone bridge flow sensor transducer A sensor apparatus includes a heating element comprising an upstream side and a downstream side. A first heat sensing set is generally configured adjacent to the upstream side of the heating element and comprises a first sensing element and a second sensing element,... | 10/09/2007 |
| 7273046 | Air-fuel ratio controller for internal combustion engine and diagnosis apparatus for intake sensors A computer calculates an estimated cylinder-intake-air amount based on outputs from an airflow meter and a throttle position sensor, and then calculates a reference cylinder-intake-air amount based on an air-fuel ratio in an exhaust gas and fuel injection amount. An... | 09/25/2007 |
| 7270115 | Method for pressure regulation of an accumulator of a fuel injection system In a method for the pressure regulation in a common rail fuel injection system of an internal combustion engine wherein pressurized fuel is supplied to the various combustion chambers of the engine via injectors under the control of an electronic control unit, a fir... | 09/18/2007 |
| 7272485 | Fuel nature measuring device of internal combustion engine and internal combustion engine having the same A fuel nature measuring device for measuring the nature of fuel stored in a fuel tank includes a measurement passage, a gas flow generator, a pressure detector, an concentration operator, a temperature detector, and a volatility calculator. The measurement passage h... | 09/18/2007 |
| 7269952 | Method and apparatus for gas turbine dry low NOx combustor corrected parameter control A method for controlling a combustor of an engine, the combustor having a fuel to oxidant ratio, the fuel to oxidant ratio being defined as a ratio of an amount of fuel supplied to the combustor divided by an amount of oxygen in an oxidant stream supplied to the com... | 09/18/2007 |
| 7267117 | Method and device for controlling the exhaust gas recirculation in an internal-combustion engine based on the measurement of the oxygen concentration in the gaseous mixture taken in by the engine A method and a device for controlling the exhaust gas recirculation in an internal-combustion engine are described herein. The engine is provided with an air-intake system, a gas-exhaust system, and an exhaust-gas-recirculation system. A linear oxygen sensor is arra... | 09/11/2007 |
| 7267106 | Fuel pressure detector for common rail type fuel injection apparatus, and common rail type fuel injection apparatus equipped with the fuel pressure detector In collecting fuel pressure data in a common rail 2 during engine operation, the common rail fuel pressure is detected each time a crank shaft rotates 6°, and the common rail fuel pressure is stored in storage means 12 by associating the common rail f... | 09/11/2007 |
| 7269500 | Process for determining the operating parameters of an injection device A process for determining the operating parameters of an injection device of a combustion engine includes the steps of: (a) selecting an injector to test; (b) calculating a mean velocity associated with a preceding injector arranged before the injector to test; c) a... | 09/11/2007 |
| 7266439 | Fuel property-adaptive engine control system with on-board fuel classifier A fuel property adaptive control system for controlling the performance of an engine, such as an internal combustion engine. An on-board fuel classifier classifies the fuel that the engine is running. Based on stored properties for that fuel, the system selects opti... | 09/04/2007 |
| 7257993 | Method of operating a single cylinder two-stroke engine A method operates a single cylinder two-stroke engine having a cylinder wherein a combustion chamber is formed which is delimited by a piston. The piston drives a crankshaft rotatably journalled in a crankcase. In the method, fuel and combustion air are supplied to ... | 08/21/2007 |
| 7258105 | Method for verification of at least one given fuel mixture ratio A fuel injection system during operation of an internal combustion engine with at least two separately stored fuel types is supplied with at least one first fuel type. With the supply of a second fuel type or with the change from the supply of the first fuel type to... | 08/21/2007 |
| 7255837 | Electronic device and thermal type flow meter on vehicle An airtight configuration for keeping down the permeation of corrosive gas from silicone adhesive, and for preventing corrosive gas from entering the case. An electronic device mounted on vehicle. The electronic device has at least one of a portion connecting... | 08/14/2007 |
| 7246603 | Control unit for an internal combustion engine A control unit calculates a quantity of air that is taken into an engine from an output current from an air flow meter that is located downstream from a throttle valve. The control unit then determines the quantity of fuel to be injected for this quantity of air. A ... | 07/24/2007 |
