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| Number | Title | Issue Date |
| 7230345 | Method for exercising a stand-by electrical generator A method is provided for exercising an engine-driven, electrical generator. The generator has a first operation mode wherein the generator generates a predetermined output voltage at a predetermined frequency with the engine running a predetermined operating speed a... | 06/12/2007 |
| 7198588 | System and method for controlling engine idle in a vehicle A method for controlling engine idle in a vehicle having a motor connected to the engine through a power transfer unit is provide. Upon receiving a neutral command, the engine torque is commanded to approximately zero. The motor torque is adjusted to maintain an app... | 04/03/2007 |
| 7198027 | Low speed combustion air bypass tube An air intake assembly having a bypass and method of operating an engine are disclosed. The air intake assembly has a first opening having a throttle plate disposed in the opening and configured to control the passage of combustion gas through the opening. A second ... | 04/03/2007 |
| 7191755 | Idle air control valve stepper motor initialization technique A system for controlling idle air flow for an engine. The system includes an idle air control valve, a stepper motor, and a controller. The idle air control valve has a first hard stop and a second hard stop. The stepper motor is coupled to the idle air control valv... | 03/20/2007 |
| 7156073 | Idle speed control apparatus in throttle body for single cylinder A single idle air control passage (5) open toward a suction air passage (2a) downstream from a throttle valve (4), a starter passage (6) and an air screw passage (7) independently branched from an upstream side passage (5... | 01/02/2007 |
| 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 |
| 7064525 | Method for improved battery state of charge A method for improving vehicle battery state-of-charge (SOC) for initial vehicle customer delivery is disclosed. The method is focused on vehicle assembly plant practices and ensuring that battery discharge is minimized or eliminated during the vehicle assembly proc... | 06/20/2006 |
| 7044107 | Method for enabling multiple-displacement engine transition to different displacement A method for enabling a transition of a multiple-displacement engine to a different engine operating displacement includes determining a temperature measure correlated with an instantaneous engine oil temperature at an engine start-up, for example, a detected engine... | 05/16/2006 |
| 6976464 | Semi-rotating valve assembly for use with an internal combustion engine The present invention is directed to a semi-rotating valve assembly that may be used in conjunction with an internal combustion engine. The semi-rotating valve of the present invention comprises a valve shaft disposed substantially within a valve housing, wherein th... | 12/20/2005 |
| 6957140 | Learned airflow variation A throttle control system for a vehicle includes a driver input that generates a control signal and a control module that generates a throttle control signal based on the control signal. The control module determines whether the throttle control signal is within one... | 10/18/2005 |
| 6918803 | Outboard motor An outboard motor in which a location on a hull of a throttle operating unit (81) such as a throttle lever and a location on the hull of an outboard motor main body accommodating therein an engine are positioned away from each other on the hull and in which a... | 07/19/2005 |
| 6910460 | Engine air-fuel ration control method with venturi type fuel supply device and fuel control appliance including the method An object of the present invention is to maintain stable air-fuel ratio on a venturi type fuel supply device, irrespective of the external load such as air-conditioner and electrical load, and to provide stable engine speed on idling state. A venturi type fue... | 06/28/2005 |
| 6910344 | Compressor torque estimate device, engine controller and method of estimating compressor torque A compressor torque estimate device is used for a variable displacement compressor whose displacement is variable based on a compressor control signal for estimating a compressor torque of the compressor. The compressor torque estimate device includes a torque calcu... | 06/28/2005 |
| 6895928 | Internal combustion engine idle control The present invention relate to idle control in an internal combustion engine and particularly to the control of the air supply to the engine during engine idling. An engine control unit (ECU) monitors the operation of ancillary consumer units to calculate an engine... | 05/24/2005 |
| 6877481 | Multi-cylinder stationary internal combustion engine Multi-cylinder stationary internal combustion engine (1)—in particular a gas otto engine—with at least one throttle valve (13) and with at least one compressor (15)—in particular turbo-supercharger—for driving at least one generator (... | 04/12/2005 |
| 6840213 | Control apparatus, control method and engine control unit for variable cylinder internal combustion engine A control apparatus, a control method, and an engine control unit for a variable cylinder internal combustion engine are provided for appropriately performing any of an idling rotational speed control, a deceleration fuel-cut control, and an auxiliary machinery driv... | 01/11/2005 |
| 6708669 | Engine control apparatus for a vehicle An engine control apparatus reduces a driver's feeling of wrongness in a vehicle equipped with an air-conditioning apparatus. A larger one of a first load torque estimated value obtained by estimating a compressor load torque of the air conditioner based on a refrig... | 03/23/2004 |
| 6688284 | Throttle controller A throttle controller is provided which can control an engine revolution into the target engine revolution without being influenced by a load of an air conditioner compressor during speed change to provide smooth speed change at all times. The throttle co... | 02/10/2004 |
| 6662580 | Air-conditioning system for vehicle and its control method An air-conditioning system for a vehicle, including a refrigerant circuit and an engine, has a battery, a compressor, an electric motor and a load torque control mechanism. The battery supplies electric power. The compressor is operative to compress refri... | 12/16/2003 |
| 6553775 | Vehicle air conditioning system A vehicle air conditioning system controls an engine and an air conditioner according to an air-conditioner load to thereby improve fuel economy and drivability of the vehicle. A higher compressor torque between a first estimated compressor torque, which ... | 04/29/2003 |
| 6530426 | Motor drive-control device A motor drive-control device drive-controls a plurality of auxiliary devices with a single motor while securing a necessary capacity of the auxiliary devices side in correspondence with usage conditions. As such, in an air-conditioning system, necessary s... | 03/11/2003 |
| 6456926 | Method and device for determining load in an internal combustion engine A invention at least relates to a method for determining the load on an internal combustion engine of a vehicle, operating parameters of the internal combustion engine being recorded and at least one value representing the load is read from a characterist... | 09/24/2002 |
| 6351957 | Automotive air conditioning system An air conditioning system for use in a motor vehicle powered by an internal combustion engine is described. The system comprises an electric motor powered by a battery; a compressor arranged to be powered by at least one of the internal combustion engine... | 03/05/2002 |
| 6336335 | Engine control apparatus of vehicle having air conditioner An engine control apparatus of a vehicle having an air conditioner that has a variable displacement compressor is disclosed. The pressure difference between two points in a refrigeration circuit is monitored. The pressure difference represents the compres... | 01/08/2002 |
| 6196009 | Freezer/refrigerator vehicle A freezer/refrigerator vehicle equipped with a refrigerating apparatus driven by a drive source which is an engine, mounted on a vehicle, for running the vehicle, comprising an idle-up means for operating a fuel feeding device of the engine under a first ... | 03/06/2001 |
| 6192857 | Control apparatus of engine with electronically driven intake and exhaust valves There is provided an engine control apparatus with electromagnetically driven intake and exhaust valves which can widen the dynamic range of engine brake torque. The valve open timing of the electromagnetic exhaust valve during fuel cut is made to be vari... | 02/27/2001 |
| 6173696 | Virtual power steering switch A computer-implemented apparatus and method for inferring power steering load and for controlling airflow to an engine of a vehicle having an engine speed. A sensor which is connected to the engine senses the engine speed of the engine. An engine speed re... | 01/16/2001 |
| 6076500 | Method and arrangement for controlling the torque of the drive unit of a motor vehicle The invention is directed to a method and an arrangement for controlling the torque of a drive unit of a motor vehicle. The desired torque or the actual torque of the drive unit is set into a relationship with a pregiven maximum permissible torque and the... | 06/20/2000 |
| 6035652 | Idle speed control system for internal combustion engine An idle speed control system for an internal combustion engine comprises a discharge pressure sensor to detect a discharge pressure of a compressor of an air conditioner, a predicted discharge pressure calculating section to predict a discharge pressure u... | 03/14/2000 |
| 6006723 | Idle speed control system for internal combustion engine When an operation causing a decrease of the engine load is requested, for example, by switching off an air conditioner switch, an idle speed control system calculates a fuel decrease quantity from an engine load decrease quantity, and further calculates a... | 12/28/1999 |
| 6003491 | Engine fuel injection controller A basic fuel injection amount is calculated based on the intake air amount detected by an air flow meter, and the basic fuel injection amount is corrected based on a phase delay of an intake air amount variation between the engine and air flow meter so as... | 12/21/1999 |
| 5995899 | Diesel engine fuel injection device An error learning value Dqsol* in an idle running state is calculated based on a difference Dqsol0 between a command signal Qsol2A when the engine is in the idle running state and an estimated fuel injection amount Qsolib necessary to maintain the idle ru... | 11/30/1999 |
| 5975049 | Idling speed control system of internal combustion engine An internal combustion engine has an auxiliary device incorporated therewith. An idling speed control device of the engine includes a first air amount control device which controls the amount of air fed to the engine in accordance with an operation condit... | 11/02/1999 |
| 5924296 | Motor vehicle air-conditioning apparatus with engine speed control An automobile air-conditioning apparatus in which the compressor torque of a variable capacity refrigerant compressor is estimated with improved accuracy. The compressor torque is measured on the basis of (1) high-side pressure of the refrigerating circui... | 07/20/1999 |
| 5775291 | Diesel engine controller A diesel engine controller for a car is disclosed including preheating determine means for determining according to data detected during starting whether a preheating device is driven; fuel injection time determining means for deciding a fuel injection ti... | 07/07/1998 |
| 5752387 | Air-fuel ratio control system for automotive vehicle equipped with an air conditioner An air-fuel ratio control system for an internal combustion engine of an automotive vehicle is provided which is designed to enrich an air-fuel mixture when an engine load is varied by use of an air conditioner installed in the vehicle for ensuring optimu... | 05/19/1998 |
| 5666917 | System and method for idle speed control A system and method for engine idle speed control delay operation of a vehicle accessory (26) while introducing a stored torque disturbance profile corresponding to that vehicle accessory into a feedforward engine control system so as to minimize variatio... | 09/16/1997 |
| 5606947 | Automotive acceleration-horsepower control means An automotive acceleration-horsepower control is provided that consists of a single chip vacuum detection transducer, a comparison circuit, a timing circuit, and an amplification circuit. The vacuum detection transducer detects variations in the intake ma... | 03/04/1997 |
| 5590630 | Idling speed control system and the method thereof There is provided a system for controlling an idling speed of an engine, comprising: engine speed detecting means for detecting an actual engine speed, integration amount calculating means for calculating an integration amount based on an error between th... | 01/07/1997 |
| 5535719 | Purge-compensated air-fuel ratio control apparatus A canister is provided between a fuel tank and an intake conduit of an engine so that fuel vapor generated in the tank and adsorbed in the canister is purged into the intake conduit. In correcting a fuel quantity in accordance with a purge quantity, the f... | 07/16/1996 |
