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| Number | Title | Issue Date |
| 7441541 | Internal combustion engine stop and start method Fuel injection is controlled to cause one of multiple cylinders to receive fuel injection and to stop in a predetermined range over an intake stroke to a compression stroke in an operation stop of the internal combustion engine. At the time of stopping the engine, f... | 10/28/2008 |
| 7389767 | Method for diagnosis of a volume flow control valve in an internal combustion engine comprising a high-pressure accumulator injection system The invention relates to an internal combustion engine comprising a high-pressure accumulator injection system wherein the swept volume and the pressure are regulated by means of a volume flow control valve (VCV) and a pressure control valve (PCV). The inventive met... | 06/24/2008 |
| 7363139 | Method and device for operating a vehicle A method and a device for operating a vehicle provide a convenient and flexible function for limiting a performance quantity, in particular the speed or the engine speed of the vehicle. At least one limiting value is predefined for the performance quantity. The at l... | 04/22/2008 |
| 7357118 | Throttle body A throttle valve comprises an intake passage. A throttle shaft extends in a generally vertical direction. The lower end of the throttle shaft passes through the throttle valve and projects downward. A throttle lever is connected to the downwardly projecting lower en... | 04/15/2008 |
| 7349789 | Method for controlling supply of fuel to a combustion engine A method for controlling supply of fuel to a combustion engine, e.g. a self-igniting internal combustion engine in a vehicle, having a first group of cylinders and a second group of cylinders, the method comprising the steps of: determining if a demanded total fuel ... | 03/25/2008 |
| 7328100 | Coil failure detection system for general-purpose engine In a failure detection system of coils that produce outputs in response to rotation of a crankshaft of a general-purpose engine (including a power coil that produces an output indicative of the engine speed), the outputs produced by the coils are inputted to determi... | 02/05/2008 |
| 7295914 | Internal combustion engine with speed recovery power boost A method of operating an internal combustion engine, includes the steps of: detecting an operating speed reduction of the internal combustion engine; determining if the operating speed reduction is caused by an external load; and controlling operation of a fuel supp... | 11/13/2007 |
| 7287514 | Fuel supply control method and apparatus of internal combustion engine The invention provides a fuel supply control method and apparatus in which an air fuel ratio does not become rich even if an acceleration and deceleration operation is repeated for a short time in the case that a time lag with respect to a response from a detection ... | 10/30/2007 |
| 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 |
| 7278405 | Fuel injection system designed to ensure enhanced reliability of diagnosis of valve A fuel injection system for automotive diesel engine is provided which is equipped with a fuel pressure sensor working to measure the pressure of fuel in an accumulator and a pressure-reducing valve working to drain the fuel from the accumulator. The system is desig... | 10/09/2007 |
| 7280910 | Engine protection method and apparatus, and engine power control method and apparatus for cargo handling vehicle A method and an apparatus for protecting an engine are disclosed which are capable of preventing damage to the engine or associated parts thereof. The engine is provided with an electronic control fuel injection system. A quasi-abnormality of at least one of variabl... | 10/09/2007 |
| 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 |
| 7194319 | Method and arrangement for controlling the position of an actuating element The invention is directed to a method and an arrangement for controlling the position of an actuating element (1) which prevent damage to the actuating element by a collision with at least one stop (25, 30) and simultaneously ensure good dynamic charac... | 03/20/2007 |
| 7178499 | Locomotive engine governor low oil trip reset An EMD locomotive engine low oil governor reset system, the governor having a low oil reset plunger which moves from an operating position to a tripped position out of a side of the governor when a low oil condition has been sensed and has initiated shut down of the... | 02/20/2007 |
| 7171582 | Method for controlling a safety-critical system which has a microcontroller The invention relates to a method for controlling a safety-critical system, in particular of a motor vehicle, which includes a microcontroller. The microcontroller controls and/or regulates the operating sequences of the safety-critical system, and the microcontroll... | 01/30/2007 |
| 7134984 | Fuel cut control system for internal combustion engine A fuel cut control system for an internal combustion engine is arranged to generate a fuel cut command when a predetermined engine operating condition is satisfied, to start a fuel cut of stopping a fuel supply to engine when a delay time elapses from a moment at wh... | 11/14/2006 |
| 7133762 | Control device for engine driven vehicle incorporating generator An engine driven vehicle having a function of supplying power to an external load from a generator driven by an engine that is operated in a power generation mode while the vehicle is stopped, including: throttle position determination means for determining whether ... | 11/07/2006 |
| 7110874 | Method for evaluating engine idle roughness A method is provided for evaluating the acceptability of idle roughness levels in a newly manufactured multi-cylinder internal combustion engine. The method involves calculating a plurality of metrics based upon the relative firing energies of individual cylinders i... | 09/19/2006 |
| 7102313 | Apparatus and method for providing protection to electric traction motor of vehicle An apparatus provides protection to an electric traction motor of a vehicle. The vehicle has a first powertrain and a second powertrain. The first powertrain includes an engine and it is coupled with a first set of road wheels. The second powertrain includes the ele... | 09/05/2006 |
| 7082925 | Electronic throttle control with throttle position sensor system and air flow indicators Apparatus are provided for an electronic throttle control (ETC) system having a throttle body assembly. The apparatus includes a throttle actuator, an input circuit receiving sensor signals and having first, second, and third reference voltages, a first throttle pos... | 08/01/2006 |
| 7079935 | Valve control for an engine with electromechanically actuated valves A system and method to control engine valve timing of an internal combustion engine. Electromechanical valves are controlled to improve engine fuel economy. Further, the method can adjust valve operation to provide air-fuel charge motion and increase combustion stab... | 07/18/2006 |
| 7066121 | Cylinder and valve mode control for an engine with valves that may be deactivated A method to select cylinder and valve operational modes in an internal combustion engine with valves that may be deactivated. A simplified method to select cylinder and valve modes is presented. ... | 06/27/2006 |
| 7063062 | Valve selection for an engine operating in a multi-stroke cylinder mode A method to control valve patterns in a cylinder operating in a multi-stroke cylinder mode. Valves are controlled to improve drivability and emissions. ... | 06/20/2006 |
| 7035729 | Method for controlling the speed of a torque-controlled internal combustion engine A method for controlling the speed of a torque-controlled internal combustion engine in which the generation of the drive torque is regulated by actuators which are controlled from a control value of the instantaneous torque and by a control value of the predicted t... | 04/25/2006 |
| 7031821 | Electromagnetic valve control in an internal combustion engine with an asymmetric exhaust system design A system and method to control engine valves of an internal combustion engine is shown. Electromechanical valves are controlled in a manner to reduce hydrocarbon emissions of an internal combustion engine. Further, the method can adjust valve operation to account fo... | 04/18/2006 |
| 7021284 | Method and apparatus for minimizing engine air tip-in noise A method for throttle progression control to minimize tip-in noise of an internal combustion engine by allowing the engine to receive only the required air for the commanded engine acceleration. The method comprises the steps of a) providing an electronically contro... | 04/04/2006 |
| 6994067 | Valve timing mechanism for a rotary valve internal combustion engine A rotary valve internal combustion engine comprising a crankshaft, a throttle (23), a throttle actuator, a cylinder head (7), a combustion chamber (8), and at least one rotary valve (1). The rotary valve (1) having at least two por... | 02/07/2006 |
| 6996467 | System and process for detection of weak or non-functioning cylinders in engines A system for detecting conditions indicative of substandard performance of cylinders in an internal combustion engine includes an engine control unit disposed in operable communication with the engine and a computer disposed in informational communication with the e... | 02/07/2006 |
| 6973920 | Method and device for storing and/or reading out data of a fuel metering system A method and a device for storing and/or reading out data of a fuel metering system, in particular a fuel pump or an injector, as described. Data on the fuel pump and/or the injector is assigned to at least one electronic component. The data is taken into account by... | 12/13/2005 |
| 6964260 | Electronic engine control device An electronic engine control unit for a motorcycle or other two-wheeled vehicle gradually decreases engine torque at the time of a failure so as to eliminate an uneasy feeling that an operator might experience if the engine torque were to be reduced abruptly. When a... | 11/15/2005 |
| 6964258 | Engine revolution limiter An engine revolution limiter system is utilized to limit engine speed during a break-in period. The system provides for programming a variable break-in period and a variable selectable engine revolution limit. During the break-in period, if the revolution limit is e... | 11/15/2005 |
| 6938609 | Method and device for controlling the drive unit of a motor vehicle A method and arrangement for controlling the drive unit of a vehicle is suggested wherein a limiter is provided to limit the engine rpm to a pregiven limit value in at least one operating state. The limiter is controlled to be ineffective in this at least one operat... | 09/06/2005 |
| 6932050 | Engine controller for a vehicle including an automatic centrifugal clutch An engine controller for a vehicle having an automatic centrifugal clutch device, includes an engine halt controlling means (ECM) for performing engine halt control. The engine halt controlling means halts the engine with the condition that the engine speed becomes ... | 08/23/2005 |
| 6928988 | Control system for engine An electronically controlled engine management system for a multi-cylinder engine unnoticeably disables and enables various cylinder groups to preserve fuel economy. The engine management system enables the operator to enjoy high torque represented from a multi-cyli... | 08/16/2005 |
| 6907860 | Control apparatus and control method for vehicle-mounted internal combustion engine A vehicle-mounted internal combustion engine has a variable lift mechanism for varying the valve lift of an intake valve. During deceleration of the vehicle, an ECU performs fuel cutoff control for temporarily stopping supply of fuel to the engine. During the fuel c... | 06/21/2005 |
| 6907871 | Ignition timing control system and method for variable-cylinder internal combustion engine as well as engine control unit There is provided an ignition timing control system for a variable-cylinder internal combustion engine, which is capable of optimally reducing torque before the start of fuel cut-off operation, irrespective of whether the engine is in an all-cylinder operation mode ... | 06/21/2005 |
| 6886519 | Methods and apparatus for controlling a shutdown of an internal combustion engine Methods and apparatus are provided for controlling a shutdown of an internal combustion engine. The apparatus comprises an intake manifold configured to conduct an intake charge of air to an intake port of the internal combustion engine and a throttle configured to ... | 05/03/2005 |
| 6880812 | Carburetor A carburetor is provided that supplies an appropriate amount of fuel at engine start-up and in a specific range of rotational speed, and allows stable engine operation at a target rotational speed. The carburetor comprises a first fuel system (F1) for met... | 04/19/2005 |
| 6860254 | Carburetor A carburetor with a single fuel system that is capable of ensuring stable engine operation and lower fuel consumption. The fuel system comprises an electrical fuel control C that, in addition to mechanically coordinating the fuel flow rate with air intake by way of ... | 03/01/2005 |
| 6832596 | Fuel injection system and fuel injecting method for internal combustion engine An internal combustion engine in which fuel injection valves are arranged on the upstream side and on the downstream side of the throttle valve respectively, in which process values such as the engine speed and the vehicle speed cause fuel injection to be accurately... | 12/21/2004 |
