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| Number | Title | Issue Date |
| 7327045 | Fuel delivery system and method providing regulated electrical output In a mobile fuel delivery vehicle, providing bulk aircraft fuel from a pressurized fuel reservoir to an aircraft, a method of regulating electrical output of an electrical power source, includes the steps of: (a) receiving, in a fluid path, the bulk aircraft fuel fr... | 02/05/2008 |
| 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 |
| 7243018 | Method of identifying noncompliant fuel in an automotive vehicle The present invention provides a method of identifying noncompliant fuel of a vehicle and improving drivability. The method comprises: (a) confirming a present coolant temperature after the vehicle has been started, (b) setting a coolant temperature factor value bas... | 07/10/2007 |
| 7177751 | Air-hybrid and utility engine A dynamically re-configurable multi-stroke internal combustion engine, comprised of programmable computer processor controlled engine components for decoupling the four classic strokes of an internal combustion engine and electronically managing engine cylinder comp... | 02/13/2007 |
| 7161258 | Control apparatus for internal combustion engine In a control apparatus for an internal combustion engine, an amount of electricity to be generated by an alternator (a target charging voltage) is set based on a vapor concentration of vaporized fuel when a purge execution condition is met for purging the vaporized ... | 01/09/2007 |
| 7143577 | Air-fuel ratio control apparatus of internal combustion engine An air-fuel ratio control apparatus of an internal combustion engine in which an exhaust gas purifying catalyst is disposed in an exhaust passage, comprises: fuel cut means which stops fuel supply to the internal combustion engine when it is determined that a number... | 12/05/2006 |
| 7134429 | Method and device for controlling an internal combustion engine A device and a method for controlling an internal combustion engine in which, starting from the comparison between a measured and an expected value for a lambda signal, a correction value is specified for a fuel signal characterizing the fuel quantity, or an air sig... | 11/14/2006 |
| 7130736 | Engine speed stabilization using fuel rate control Idle speed stability is imparted to a compression ignition engine by processing data values for actual engine speed and desired engine speed to yield a data value for engine speed error; processing (22) the data value for engine speed error according to a gov... | 10/31/2006 |
| 7082935 | Apparatus and methods for closed loop fuel control A method of controlling fuel input to an engine of a vehicle. A feedback signal is received from a sensor that senses engine exhaust. A dither signal having the same frequency as the feedback signal is applied to a fuel control signal controlling fuel to the engine.... | 08/01/2006 |
| 7059298 | Evaporative fuel processing device for an internal combustion engine The present invention judges whether an internal combustion engine is operated by a special operation method in which a fuel cut is performed more frequently than predefined depending on the operation of an accelerator pedal. The present invention provides a shorter... | 06/13/2006 |
| 7051722 | Engine starting A system, an apparatus, and a method for starting an engine. The system, apparatus, and method include determining a first quantity of fuel based on engine temperature, providing the first quantity of fuel to the engine during a first cycle of the engine, determinin... | 05/30/2006 |
| 7018442 | Method and apparatus for regenerating NOx adsorbers Methods and apparatuses for regenerating a NOx adsorber coupled with an exhaust of an engine. An actuator drives a throttle valve to a first position when regeneration of the NOx adsorber is desired. The first position is a position that causes the regeneration of t... | 03/28/2006 |
| 7013720 | Fuel pressure sensing apparatus for internal combustion engine control unit A fuel pressure sensing apparatus for an internal combustion engine control unit is capable of compensating for deterioration in the detection accuracy of a fuel pressure sensor (16) caused by a sensor offset. The fuel pressure sensor (116) detects the... | 03/21/2006 |
| 6880541 | Air-fuel ratio control apparatus for internal combustion engine Air-fuel ratio control apparatus for an engine of automobile for controlling an air-fuel ratio to a desired value includes module (33) for computing a purge ratio (Pr) from a purge quantity (QPRG) and an engine operation state, module (35) for computin... | 04/19/2005 |
| 6837232 | Air-fuel ratio control apparatus for internal combustion engine When in controlling an air-fuel ratio by a feedback control, a target air-fuel ratio is changed between normal time and at rich control time, a difference between a change amount of the target air-fuel ratio and a change amount of an air-fuel ratio feedback correcti... | 01/04/2005 |
| 6799565 | Method and system for controlling fuel for an engine The present invention relates to a method and system for preventing a lean Air/Fuel ratio that may occur when accelerating an engine. An engine is supplied with a base amount of fuel that is adjusted, or compensated, according to one or more compensation variables t... | 10/05/2004 |
| 6687554 | Method and device for controlling optimization of a control subject Optimization control of a control system by improving evolution efficiency while retaining the advantages of genetic optimization is described. An optimizer for evolving control parameters affecting the characteristics of a control system uses actual user... | 02/03/2004 |
| 6390065 | Method of reduction of cold-start emissions from internal combustion engines Method of reducing noxious or toxic exhaust emissions from an internal combustion engine (10) having a plurality of cylinders (12) cooperating with a crankshaft (13) to cause the crankshaft to rotate at a rotational speed when the cylinders (12) are provi... | 05/21/2002 |
| 6173694 | Method and apparatus for controlling fuel injection in an in-cylinder type internal combustion engine In an in-cylinder injection internal combustion engine which is placed in a selected one of a compression stroke injection mode in which fuel injection is conducted during a compression stroke, and a suction stroke injection mode in which fuel injection i... | 01/16/2001 |
| 6102002 | Method for adjustment of a throttle valve and/or injection quantity A method for adjusting the throttle and/or injection quantity of a motor vehicle combustion engine at the command of a vehicle driver, an adaption being made to the vehicle driver's driving style, the curve of angle throttle position and/or injection quan... | 08/15/2000 |
| 6098012 | Neural network based transient fuel control method A system and method for use in a motor vehicles is disclosed for calculating a fuel multiplier during transient engine operation. The fuel multiplier modifies the amount of fuel released from a fuel actuator into an engine. The fuel control system uses ne... | 08/01/2000 |
| 6026793 | Control system for plants A control system for a plant includes a sensor for detecting an output from the plant, an adaptive controller for controlling a manipulated variable applied to control of the plant in a manner such that an output from the sensor becomes equal to a desired... | 02/22/2000 |
| 6016794 | Fuel injection control apparatus for internal combustion engine A fuel injection control apparatus for an internal combustion engine includes an injector control apparatus 120B for controlling a fuel injection amount toward a target fuel injection amount Fm. The injector control apparatus 120B includes an expected eng... | 01/25/2000 |
| 6003489 | Fuel injection control device of in-cylinder type internal combustion engine In an in-cylinder injection internal combustion engine which is placed in a selected one of a compression stroke injection mode in which fuel injection is conducted during a compression stroke, and a suction stroke injection mode in which fuel injection i... | 12/21/1999 |
| 5954783 | Engine control system using combination of forward model and inverse model An engine control system includes an inverse model which includes a forward model and a feedback loop, wherein an actuating parameter, such as the quantity of fuel injected from a fuel injector, outputted from the forward model is used as a controlled var... | 09/21/1999 |
| 5941212 | Air-fuel ratio control system for internal combustion engines An air-fuel ratio control system for an internal combustion engine includes an ECU which cuts off fuel supply to the engine at deceleration thereof, measures a fuel cut-off period over which the fuel cut-off means cuts off fuel supply to the engine, and e... | 08/24/1999 |
| 5915368 | Air/fuel ratio control apparatus that uses a neural network An air/fuel ratio control apparatus for executing auxiliary control of an air/fuel ratio by compensating an injected fuel amount set by a control system for maintaining the air/fuel ratio at a preset value. The air/fuel ratio control apparatus includes a ... | 06/29/1999 |
| 5878732 | Method of determining the mass of fuel to be introduced into the suction pipe into the cylinder of an internal combustion engine A method of determining a mass of fuel to be introduced into a suction pipe or into a cylinder of an internal combustion engine precontrols a basic injection time constituting a basic injection quantity, through a prescription of a lambda set point. The l... | 03/09/1999 |
| 5778865 | Evaporative fuel control system for internal combustion engines An evaporative fuel control system for an internal combustion engine having a throttle valve includes a canister for adsorbing evaporative fuel generated in the fuel tank, a purging passage for purging evaporative fuel into the intake system of the engine... | 07/14/1998 |
| 5778666 | Method and apparatus for improving engine fuel economy A managed fuel air mode control system is provided which operates in an open loop lean mode of operation whenever open loop enable criteria is met. During the open loop lean mode of operation, a rich A/F purge mode of operation is dictated when a NOx... | 07/14/1998 |
| 5778850 | Method and device for controlling transient-state injection of a supercharged diesel engine The method includes the steps of generating a reference injection pressure value as a function of the speed of a diesel engine and of the quantity of fuel supplied to the engine, the reference injection pressure value defining an optimum injection pressur... | 07/14/1998 |
| 5690087 | EGO based adaptive transient fuel compensation for a spark ignited engine A method and system for adaptive transient fuel compensation in a cylinder of an engine (300) estimates a fraction of fuel evaporated in a fuel intake system of the engine (bv) by measuring a temporal delay (515) between when an identification ... | 11/25/1997 |
| 5638802 | Fuel metering control system for internal combustion engine A system for controlling fuel metering for a multi-cylinder internal combustion engine, having a feedback loop which has an adaptive controller and an adaptation mechanism coupled to the adaptive controller for estimating controller parameters θ. The ada... | 06/17/1997 |
| 5598828 | Fuel supply control device for an engine A fuel supply control device for an engine comprises a canister in which fuel vapor is temporarily stored and from which fuel vapor is purged into the engine. When the throttle valve is in the idling position and when the engine speed N is higher than the... | 02/04/1997 |
| 5520160 | Fuel evaporative gas and air-fuel ratio control system A system for solving disturbances in the air-fuel ratio caused by a change in the normal correction factor, and permitting achievement of a highly accurate air-fuel ratio control. Fuel evaporative gas generated in a fuel tank is adsorbed in a canister, an... | 05/28/1996 |
| 5474052 | Automated method for cold transient fuel compensation calibration An automated method for generating compensation values for use in an electronic engine controller during transient engine operation comprises an initial step of exposing an engine to an ambient temperature value to set the engine to an initial start tempe... | 12/12/1995 |
| 5427082 | Method of proportional deceleration fuel lean-out for internal combustion engines A method of proportional deceleration fuel lean-out for an internal combustion engine includes the steps of sensing a throttle position of a throttle for the engine with a throttle position sensor, calculating a throttle proportional deceleration fuel lea... | 06/27/1995 |
| 5271374 | Air-fuel ratio controller for engine The first mixing ratio error in a transient state is sampled as a pre-transient error, the last mixing ratio error in the transient state is sampled as a post-transient error, and the peak value of the mixing ratio errors in the transient state is also sa... | 12/21/1993 |
| 5265581 | Air-fuel ratio controller for water-cooled engine An air-fuel controller for a water-cooled engine provided with a mechanism for detecting a mixing ratio error which is a difference between a target mixing ratio and a real mixing ratio of fuel and air provided for the engine, a mechanism for performing l... | 11/30/1993 |
| 5239974 | Electronic system for controlling the fuel injection of an internal-combustion engine An electronic system for controlling the fuel injection of an internal-combustion engine based on the load, rotational speed, and temperature, as well as at least an oxygen probe reading in the exhaust pipe. The system determines basic injection-quantity ... | 08/31/1993 |
