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| Number | Title | Issue Date |
| 7503308 | Fuel injection and ignition control method and fuel injection and ignition control device of engine A fuel injection and ignition control method including the steps of: calculating a total injection amount correction value at the restart of fuel injection by adding an injection amount correction value determined with respect to a fuel cut period and an engine oper... | 03/17/2009 |
| 7490588 | Vehicle control apparatus and method A vehicle control apparatus includes a first fuel-cut duration extending portion that, when a fuel-cut is being executed during deceleration of the vehicle, slows the decrease in the engine speed by executing a slip control of a lock-up clutch; and a second fuel-cut... | 02/17/2009 |
| 7441547 | Method of feeding fuel to an engine, fuel feed amount control system of an engine, and motorcycle comprising fuel feed amount control system A method of feeding fuel to an engine, comprising the steps of determining whether or not the engine is decelerating based on a time-lapse change rate of an engine speed of the engine, and reducing an amount of the fuel to be fed to air taken into the engine from ou... | 10/28/2008 |
| 7395808 | Control system of internal combustion engine There is provided a control system for controlling an internal combustion engine with an exhaust system provided with a catalyst, comprising a fuel cut means for stopping the supply of fuel to the internal combustion engine when the vehicle in which the internal com... | 07/08/2008 |
| 7395809 | Internal combustion engine and a method for such an engine A method for controlling a diesel engine in a vehicle is presented. The engine comprises at least one cylinder, a fuel injector for each cylinder for injecting fuel into the respective cylinder, and a throttle valve for controlling the flow of air into the cylinder.... | 07/08/2008 |
| 7383813 | Method and device for controlling the transition between normal operation and overrun fuel cut-off operation of an Otto engine operated with direct fuel injection The problem during overrun fuel cut-off operations, i.e. cut-off of fuel injection during trailing throttle conditions of the vehicle, is that the transition entails an undue torque jump, resulting in the smooth operation of the engine and the driving comfort of the... | 06/10/2008 |
| 7377256 | Method for operating a drive unit A method for operating a drive unit, in which, given the use of a vehicle-speed controller, the actual speed is prevented from exceeding the setpoint speed too significantly. In the method, a setpoint value for an output variable of the drive unit is predetermined. ... | 05/27/2008 |
| 7377239 | Method for operating an internal combustion engine, computer program product, computer program, and control and/or regulating device for an internal combustion engine A method for operating an internal combustion engine, a computer program product, a computer program, and a control and/or regulating device for an internal combustion engine make detection of an erroneously permanently closed intake valve for a cylinder of the inte... | 05/27/2008 |
| 7328686 | System and method to control cylinder activation and deactivation Engine cylinder reactivation from a fuel-cut state is controlled based on a calculated future engine speed and a minimum allowable engine speed. The future engine speed is calculated based on the current rate of change of engine speed and a duration required to reac... | 02/12/2008 |
| 7311079 | Engine system and method with cylinder deactivation Various systems and methods are disclosed for carrying out combustion in a fuel-cut operation in some or all of the engine cylinders of a vehicle. Further, various subsystems are considered, such as fuel vapor purging, air-fuel ratio control, engine torque control, ... | 12/25/2007 |
| 7290387 | Control device of internal combustion engine A control device of an internal combustion engine suppressing catalyst deterioration by prohibiting fuel cuts, wherein the generation of odor from the catalyst after deceleration is suppressed. The control device is provided with a fuel cut executing device for stop... | 11/06/2007 |
| 7285073 | Engine fuel supply control device An engine fuel supply control device is configured to stop supplying fuel to an engine when specific fuel cut-off condition has been met. The timing of the fuel cut-off is delayed depending on an operating state of the vehicle. Preferably, the engine fuel supply con... | 10/23/2007 |
| 7275425 | Method for testing at least three sensors, which detect a measurable variable for an internal combustion engine A method for checking at least three sensors which detect a measured quantity in the area of an internal combustion engine. A measure of the sensor signal of the particular sensor to be checked is compared to a reference signal which is obtained from at least one pa... | 10/02/2007 |
| 7273026 | Roller follower body The present invention relates to a roller follower, comprising an outer surface, enclosing a first cavity, a second cavity, and a transition opening, wherein the first cavity includes a first inner surface configured to house a cylindrical insert the second cavity i... | 09/25/2007 |
| 7258101 | Automotive catalyst excess oxygen reduction system An excess oxygen reduction system includes a fuel cut-off condition module, an injector module, and a valve module. The fuel cut-off condition module determines whether a fuel cut-off condition exists. The injector module prevents a fuel injector from fueling a cyli... | 08/21/2007 |
| 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 |
| 7236874 | Torque control apparatus and vehicle control system having the same In an engine torque loss computing section, a pump loss computing section computes a pump torque loss, and a frictional loss computing section computes a frictional torque loss. The pump torque loss and the frictional torque loss are summed to obtain an engine torqu... | 06/26/2007 |
| 7201140 | Increased engine braking with adjustable valve timing A system and method for operating at least an intake and exhaust valve in a cylinder with a piston of an engine in a vehicle are described. In one aspect, the method comprises maintaining at least one of the intake and exhaust valves in a closed position during a pe... | 04/10/2007 |
| 7182064 | Method for regulating the rotational speed of an internal combustion engine A method for closed-loop speed control of an internal combustion engine that is provided as a generator drive or a marine propulsion unit, including the steps of: computing a first control deviation (dR1) from a speed variance comparison; computing a first se... | 02/27/2007 |
| 7165399 | Method and system for using a measure of fueling rate in the air side control of an engine Methods and Systems for using a measure of fueling rate in the air side control of an engine. By using a measure of the fueling rate, the air side control may, for example, anticipate the future air side needs of the engine, and adjust one or more air side parameter... | 01/23/2007 |
| 7165536 | Evaporative emissions control system for small internal combustion engines An evaporative emissions control system for small internal combustion engines. The system generally includes a charcoal canister and a carburetor with a fuel circuit shutoff valve. The charcoal canister is in fluid communication with the air space above the liquid f... | 01/23/2007 |
| 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 |
| 7152395 | Method and apparatus for controlling internal combustion engine A method and apparatus controls an internal combustion engine of a vehicle in which an exhaust purifying catalyst capable of storing oxygen is provided in an exhaust system of the engine. The internal combustion engine is adapted to be temporarily stopped when a pre... | 12/26/2006 |
| 7146969 | Motor vehicle comprising an activated carbon filter and method for regenerating an activated carbon filter 1. Motor vehicle having an activated carbon filter and method for regenerating an activated carbon filter. 2. A motor vehicle (1) is proposed, comprising an, in particular, direct-injection internal combustion engine (2), a fuel tank (3) ... | 12/12/2006 |
| 7146958 | Control apparatus for hybrid vehicle An object is to improve fuel consumption efficiency. Accordingly, a fuel gradual addition delay time when starting (engine water temperature) TMKSTDLYT which changes in a decreasing trend with an increase in the engine water temperature is set (step S10). A f... | 12/12/2006 |
| 7141001 | Load-variable engine control system A method and system for improving fuel economy in a vehicle. The vehicle is equipped with an internal combustion engine, and a suspension air-spring automatic pneumatic control system. The internal combustion engine is controlled by an electronic engine control modu... | 11/28/2006 |
| 7140348 | Fuel injection control system A fuel injection valve control to correctingly increase the fuel amount appropriately for realizing a favorable acceleration performance at the time of accelerating after a throttle full closure period is finished. ... | 11/28/2006 |
| 7130737 | Method of controlling a drive unit of a motor vehicle A method for controlling a drive unit of a vehicle which allows a comfortable compensation of the torque requirement of ancillary components. In this method, torque losses are compensated in a steady-state manner in an overrun and an acceleration operation. The stea... | 10/31/2006 |
| 7127346 | Dynamic engine pumping work estimation algorithm An engine control system that regulates operation of an engine includes an intake valve that regulates air intake into a cylinder of the engine and an exhaust valve that regulates exhaust from the cylinder. A control module determines a cylinder volume at intake val... | 10/24/2006 |
| 7124852 | Acceleration sensor and engine control for motorcycle A motorcycle has an engine and other components that are controlled based upon output from an acceleration sensor. The motorcycle also has an alarm system that uses the same acceleration sensor to detect vibrations indicative of a potential theft of the vehicle. Var... | 10/24/2006 |
| 7117853 | Fuel injection controller of engine An electronic control unit compulsorily stops supply of a fuel injection quantity, which is calculated based on various parameters including a throttle opening degree, performed by an injector in accordance with a crank angle signal if a series of operations, of rap... | 10/10/2006 |
| 7107143 | Estimation of oxygen concentration in the intake manifold of an unthrottled lean burn engine A method of estimating oxygen concentration in the intake of a lean burn engine is accomplished during throttled operation by repeatedly combining determined air/fuel ratio and intake mass air flow and estimated cylinder mass flow and exhaust gas recirculation flow ... | 09/12/2006 |
| 7080625 | Engine operation during cylinder deactivation An engine control system for controlling engine operation in activated and deactivated modes in a displacement on demand engine system includes an engine control that generates a load control signal based on one of an activation and a deactivation signal. An accesso... | 07/25/2006 |
| 7073484 | Internal combustion engine control apparatus An engine control apparatus includes: an operation state determining unit determining whether the engine is in the running or the idle-state from a various sensor's signal; an engine revolution speed detecting unit detecting the revolution speed of the engine from a... | 07/11/2006 |
| 7076347 | Brake booster vacuum sensor diagnostic A diagnostic system for a brake booster sensor includes a monitor that monitors a maximum error and a minimum error based on a brake booster sensor signal over a monitoring period. A first comparator determines one of a pass status and a fail status of the brake boo... | 07/11/2006 |
| 7073465 | Method and device for operating an internal combustion engine A method and device for operating an internal combustion engine, which diagnose and/or adapt the exhaust-gas recirculation system for, in particular, multibranch internal combustion engines. In this context, the internal combustion engine includes at least one adsor... | 07/11/2006 |
| 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 |
| 7051704 | Intake air control apparatus and method for internal combustion engine An intake air control apparatus method and apparatus for an internal combustion engine in which the engine includes a variably operated valve mechanism for making at least one of an operating angle of an intake valve and a valve lift thereof variable. A determinatio... | 05/30/2006 |
| 7051705 | Control system parameter monitor A control system parameter monitor determines a difference between a desired and estimated or measured parameter value, applies a weighting factor to the difference, and selects a control strategy based on the weighted difference. The weighting factor generally refl... | 05/30/2006 |
| 6997167 | Fuel injection control system for engine A fuel injection control system for an engine comprising: accelerating/decelerating state detection means which samples an intake pipe pressure of the engine at each sample timing which comes every time a very short time is passed from a timing at which a signal gen... | 02/14/2006 |
