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| Number | Title | Issue Date |
| 7373919 | Electric power generation control system An electric power generation control system has an electric power generation amount determining section for determining an electric power generation request amount of a vehicle alternator by monitoring vehicle conditions, an electric power generation amount increase... | 05/20/2008 |
| 7353812 | Vehicle engine with integral vacuum generator An integral vacuum generator system for an internal combustion engine includes a throttle body and intake manifold defining a bypass passage which is connected with a vacuum manifold by both a venturi and a direct vacuum supply passage. Vacuum flow through the ventu... | 04/08/2008 |
| 7339283 | Electronic load regulator An electronic load regulation system for a locomotive may comprise a solid state replacement for existing electro-mechanical load regulators that are used to adjust the excitation current in the field windings of the locomotive's generator. A pressure sensor may inc... | 03/04/2008 |
| 7317985 | Motor vehicle and control method of motor vehicle When a vehicle power demand is less than a threshold value, which is set to or around a lower limit of a relatively efficient drive range of an engine and when an engine drive demand is set ON because of requirement for heating by an air conditioning system, the dri... | 01/08/2008 |
| 7240481 | Engine load control for reduced cold start emissions A control system for an engine that drives an alternator includes a first module that reduces an alternator load when the engine is cranked. A second module determines a desired exhaust energy rate (EER) of the engine. The first module regulates the alternator load ... | 07/10/2007 |
| 7150263 | Engine speed control apparatus; engine system, vehicle and engine generator each having the engine speed control apparatus; and engine speed control method An engine speed control apparatus includes a throttle valve for adjusting the amount of an intake air sucked into an engine, a drive unit for driving the throttle valve, and a control unit for generating a PWM signal for driving the drive unit. The control unit incl... | 12/19/2006 |
| 7082923 | Idling speed control system and method An controller detects a change in a load generation state of an accessory device that generates a load on the internal combustion engine during operation, and the controller in turn controls a variable valve mechanism to change at least one of an operation angle and... | 08/01/2006 |
| 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 |
| 7040269 | Method for operating a drive with an internal combustion engine and an electric machine The warm-up period of the internal combustion engine is reduced by operating an electric machine as an additional load of the combustion engine in order to obtain a specific excessive increase in the heat loss of combustion engine. To this end, the magnetizing curre... | 05/09/2006 |
| 7036484 | Idle speed control using alternator An engine system includes an engine, an alternator, a load, and a controller that communicates with the engine, the alternator, and the load. The controller signals the engine to drive the alternator when the engine idles. When a load increase on the engine is detec... | 05/02/2006 |
| 7004134 | Engine generator A positioning pin is knocked onto a crankshaft of an engine and a key way is formed in a boss of a first flywheel. When an outer rotor type generator is connected with the engine, the boss of the first flywheel is fitted over the crankshaft so as to adjust the posit... | 02/28/2006 |
| 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 |
| 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 |
| 6836718 | Vehicle with engine idle-management system A vehicle according to the present invention has an internal combustion engine that is controlled by an engine-control computer that is operable, when the vehicle is parked, to operate in an idle-management mode to automatically start and stop idling operation of th... | 12/28/2004 |
| 6763296 | Method and system for alternator load modeling for internal combustion engine idle speed control A method is directed to controlling idle speed for an internal combustion engine. The method provides for monitoring a plurality of vehicle system signal inputs, determining a baseline load control signal based on the vehicle system signal inputs, determining a maxi... | 07/13/2004 |
| 6742498 | Apparatus and method for controlling internal combustion engine An apparatus for controlling an internal combustion engine calculates a target indicated torque and determines operating degree for engine control actuators such as an air system, a fuel system and an ignition system. The target indicated torque for an idling condit... | 06/01/2004 |
| 6725134 | Control strategy for diesel engine auxiliary loads to reduce emissions during engine power level changes A diesel locomotive includes a number of auxiliary subsystems operating in conjunction with the locomotive diesel engine and deriving their energy, from the diesel engine. Included among the subsystems are various cooling systems, the battery charging system, and th... | 04/20/2004 |
| 6651619 | Control system and control method for internal combustion engine An intake air volume flowing into an intake passage is controlled by a throttle opening. When the engine speed decreases, a valve timing of an intake valve and an exhaust valve is corrected so as to increase the torque of an internal combustion engine. Th... | 11/25/2003 |
| 6578548 | Method for controlling an engine idle speed The present invention provides a method for controlling idle speed of an engine in an engine idle control system including a battery voltage sensor, a coolant temperature sensor, a sensor for detecting an amount of alternator generation, an engine speed s... | 06/17/2003 |
| 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 |
| 6440037 | Control system for vehicle having continuously variable transmission A control system for a vehicle including a continuously variable is constructed: such that a target output of a prime mover for achieving a target driving force is determined on the basis of the target driving force; such that a target output speed is det... | 08/27/2002 |
| 6408625 | Operating techniques for internal combustion engines An electric power generation system is disclosed, which includes a back-up electric power generator driven by a four-cycle internal combustion engine. The engine includes a plurality of reciprocating cylinders each rotatably coupled to a crankshaft, which... | 06/25/2002 |
| 6378492 | Idle control for internal combustion engine An internal combustion engine is provided having a crankshaft which rotates in an actual crankshaft speed. An accessory drive is driven by the crankshaft and includes an accessory drive component, such as an alternator, which produces a load on the cranks... | 04/30/2002 |
| 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 |
| 6082329 | Engine speed control method and controller therefor To prevent the actual engine speed under idling from excessively increasing or decreasing, an idling-up correction value for correcting an idling-engine-speed control air quantity is obtained as an idling-up correction value correlated with a radiator-fan... | 07/04/2000 |
| 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 |
| 5996552 | Fuel injection device for engine with supercharger and method for controlling the same In an engine, which has a supercharger and which rotates a generator running at high-idle speed, the rotational speed of the supercharger is accelerated in advance before performing a fuel supply so as to prevent a sudden reduction in the rotational speed... | 12/07/1999 |
| 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 |
| 5908019 | Intake air amount control system for internal combustion engines An intake air amount control system for an internal combustion engine installed in an automotive vehicle has an intake air amount control valve arranged in a bypass passage bypassing a throttle valve arranged in an intake passage of the engine. The intake... | 06/01/1999 |
| 5831411 | Method for supplying voltage to a motor vehicle In a method for supplying voltage to a motor vehicle with a battery, with a generator driven by the engine of the vehicle, and a device for regulating the idle rpm of the engine as a function of the respective operating state of the battery, the device fo... | 11/03/1998 |
| 5822983 | Apparatus for controlling internal combustion engine mounting electrically heated catalyst When an electric current is supplied to an electrically heated catalyst mounted on a vehicle, oxygen that is required is supplied by setting the air-to-fuel ratio to become lean, and the engine during this period is prevented from losing stability. When t... | 10/20/1998 |
| 5808367 | Control system for vehicle generator and control method therefor A method for controlling a vehicle generator, by obtaining a first correction volume of an opening of an ISC valve (ISCPI) based on a deviation of a rotation number of an internal combustion engine from a target rotation number, obtaining a driving volume... | 09/15/1998 |
| 5784878 | Idle speed control system of internal combustion engine A system for controlling an idle speed of an internal combustion engine having an electrically heated catalytic converter which is heated up when current is supplied from an alternator driven by the engine. In the engine idle control, a basic value of a d... | 07/28/1998 |
| 5712786 | Idling speed control method and apparatus for an internal combustion engine An idling speed control method and apparatus in which the field current of an alternator is turned on and off to control the power generation rate of the alternator in accordance with the terminal voltage of a battery, and the air intake of an internal co... | 01/27/1998 |
| 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 |
| 5592918 | Intake air volume control device for internal combustion engine An intake air volume control device of an internal combustion engine capable of adjusting the intake air volume pertinently irrespective of a variation in characteristic such as a deterioration in durability, a variation in an engine water temperature or ... | 01/14/1997 |
| 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 |
