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| Number | Title | Issue Date |
| 8181628 | Throttle valve controller for internal combustion engine A throttle valve controller for an internal combustion engine has a throttle valve driven by a motor. The target opening of the throttle valve is determined based on the operating state of the vehicle or internal combustion engine. A first lower limit is determined ... | 05/22/2012 |
| 8033266 | Throttle valve controller for internal combustion engine A throttle valve controller for an internal combustion engine has a throttle valve driven by a motor. The target opening of the throttle valve is determined based on the operating state of the vehicle or internal combustion engine. A first lower limit is determined ... | 10/11/2011 |
| 7905213 | Adaptive positioning method for an actuator In an adaptive positioning method for an actuator, in particular, for a throttle butterfly on an internal combustion engine, during the adaptive positioning method, after a request for a set position and selection of a pilot value a corresponding pilot position for ... | 03/15/2011 |
| 7721707 | Abnormality determination apparatus and abnormality determination method for valve An engine ECU executes a program including the step of controlling a driver motor which operates a TCV (tumble control valve) such that the TCV in the full-open state closes to a predetermined opening position (S106), the step of detecting the electric curren... | 05/25/2010 |
| 7703436 | Control device of internal combustion engine A control device of an internal combustion engine determining a target throttle opening degree based on a target intake air amount which can simply and reliably detect any control abnormality is provided. The control device of an internal combustion engine determini... | 04/27/2010 |
| 7673612 | Engine control apparatus and engine control method A target engine torque after an environmental correction is calculated by interpolating it between an environmentally corrected maximum engine torque and an environmentally corrected minimum engine torque such that a ratio of a nominal target engine torque between a... | 03/09/2010 |
| 7530345 | Vehicle cruise control A vehicle having a vehicle body, a seat, an engine, a throttle body, a throttle valve, a throttle valve actuator, a throttle operator, a throttle operator position sensor, a cruise control switch, and a vehicle speed sensor. An ECU controls operation of the engine i... | 05/12/2009 |
| 7444234 | Method and apparatus for monitoring an intake air filter There is provided a method and system for monitoring an intake air filter for an internal combustion engine of a hybrid powertrain operative to transmit an output torque to a driveline. The engine has a controllable throttle valve. The method comprises determining a... | 10/28/2008 |
| 7434565 | Electronic throttle control apparatus The electronic throttle control apparatus for a vehicle engine includes a throttle actuator including an electric motor generating torque for driving a throttle valve in an opening direction and a closing direction of the throttle valve through a transmission gear d... | 10/14/2008 |
| 7433775 | Engine torque control at high pressure ratio A method of controlling a torque output of an internal combustion engine includes determining a pressure ratio, determining a reference torque based on the pressure ratio and a torque request, calculating a desired throttle area based on the reference torque and reg... | 10/07/2008 |
| 7387106 | Internal combustion engine throttle valve A throttle valve for an internal combustion engine, the throttle valve having: a valve seat; a throttle disk, which engages the valve seat and is rotated by an electric motor between an open position and a closed position; a gear transmission connecting the electric... | 06/17/2008 |
| 7380538 | Reverse operation of a vehicle A vehicle has a vehicle body, a seat, an engine, an ECU, a throttle body, a throttle valve, a throttle valve actuator, a throttle operator, and a throttle operator position sensor. A shifter is disposed on the vehicle in proximity to the seat for selecting a vehicle... | 06/03/2008 |
| 7373920 | Method for controlling an internal combustion engine For controlling an internal combustion engine, the activation of an accelerator pedal is sensed and a setpoint value for the angle setting of the throttle valve is determined in dependence on the measured variable of an accelerator pedal value signal transmitter and... | 05/20/2008 |
| 7367316 | Vehicle control system A method for controlling an engine having at least one cylinder, the engine coupled to a vehicle, the engine also having an intake manifold and an outlet control device for controlling flow from the intake manifold into the cylinder, the engine further having an inl... | 05/06/2008 |
| 7367315 | Throttle valve control apparatus of internal combustion engine and automobile using the same The invention provides a throttle valve control apparatus provided with a throttle sensor which is in trouble at a low possibility and has a long service life, whereby an accurate output of a throttle opening degree can be obtained. The throttle valve control appara... | 05/06/2008 |
| 7343897 | Engine control system with user-commanded engine speed adjustments in varying increments An engine control system includes an engine with an output shaft. A power take-off device interfaces with the output shaft and provides rotational power to an auxiliary device. A user input device includes a first engine speed control that commands an increase in en... | 03/18/2008 |
| 7331326 | Carburetor automatic control system in engine A carburetor automatic control system in an engine includes, a temperature-sensitive operating device for operating a choke valve so that the choke valve is opened with a temperature increase of the engine and a governor for opening and closing a throttle valve to m... | 02/19/2008 |
| 7325533 | Leisure vehicle with an electronic throttle control system A leisure vehicle comprising an electronic control throttle system of an engine in which an actuator drives a throttle valve in response to an operation signal according to an operation amount of a throttle operation device, the electronic control throttle system in... | 02/05/2008 |
| 7319929 | Method for detecting steady-state and transient air flow conditions for cam-phased engines An air flow state determining system that determines a mass air flow into a cylinder of an engine having a cam phaser includes a first module that determines whether an air flow state is one of steady-state and transient based on a cam phaser position. A second modu... | 01/15/2008 |
| 7311083 | Engine method A method for controlling an engine having both an electronically controlled inlet device, such as an electronic throttle unite, and an electronically controlled outlet device, such as a variable cam timing system is disclosed. The method of the present invention ach... | 12/25/2007 |
| 7305301 | Engine pre-throttle pressure estimation An engine control system for regulating operation of an engine having a throttle includes a first module that determines an intermediate parameter based on engine operating parameters and a second module that determines a pressure upstream of the throttle based on t... | 12/04/2007 |
| 7299786 | Vehicle control system A method is provided for controlling an engine having an intake manifold and an outlet control device coupled to the manifold for controlling flow exiting the manifold and entering at least one cylinder of the engine. The engine further includes an inlet control dev... | 11/27/2007 |
| 7296557 | Final control element for a control unit A final control element for a control unit, for a throttle body located in a conduit carrying a gaseous medium in an internal combustion engine, is disclosed which has a control shaft, supporting the control unit in a manner fixed against relative rotation; a power ... | 11/20/2007 |
| 7290526 | Throttle body having fuel return passage and vehicle A throttle body includes a housing that accommodates a connector for a rotation shaft of a throttle valve disposed in the throttle body and a throttle position sensor, a fuel return passage that communicates the housing with an air intake passage in the throttle bod... | 11/06/2007 |
| 7287511 | Engine for leisure vehicle An engine for a leisure vehicle equipped with an electronic control throttle system configured to operate an actuator based on a drive signal sent from a controller to the actuator in response to a rider's operation of a throttle operation device to cause a throttle... | 10/30/2007 |
| 7284535 | Motor driving type throttle apparatus An throttle valve is controlled by using an electric actuator. A cover for covering one end side of the throttle valve shaft is attached to a side wall of a throttle body. A throttle position sensor unit and an electronic control module for controlling the throttle ... | 10/23/2007 |
| 7267100 | Controller of internal combustion engine An internal combustion engine controller, is used with a fuel-based torque-on-demand control type, multi-cylinder, direct-injection internal combustion engine, to provide an air flow rate control that excels in response and convergence. The internal combustion engin... | 09/11/2007 |
| 7240665 | Method and apparatus for controlling motor-driven throttle valve, automobile, method of measuring temperature of motor for driving automotive throttle valve, and method of measuring motor temperature A method is provided for easily avoiding undesirable effects on various physical values due to the change in temperature of a motor for driving a throttle valve without causing secondary problems. A technique is also provided for measuring the temperature of the mot... | 07/10/2007 |
| 7237531 | Throttle and recirculation valves having a common planetary drive A valve arrangement for a power source is disclosed. The valve arrangement has a first valve element and a second valve element. The valve arrangement also has an actuator configured to drive the first and second valve elements. The valve arrangement further has a p... | 07/03/2007 |
| 7222605 | Throttle control system and method A throttle control system includes a valve, an electric throttle unit, a control unit, a throttle sensor, a memory device, and a memory execution unit. The throttle control system operates the memory execution unit to allow the memory device to store an opening sign... | 05/29/2007 |
| 7219653 | Electronic control throttle body An electronically controlled throttle body has a torque motor including a stator and a moving portion (a slider), and a throttle shaft which is rotated by the torque motor. A rack as a plurality of gear teeth is formed at the moving portion, and a gear which mates w... | 05/22/2007 |
| 7210452 | Control apparatus of internal combustion engine A control apparatus of an internal combustion engine, for preventing a throttle valve from freezing when the internal combustion engine is stopped. A control unit is constructed to receive power from a battery ancillary to an internal combustion engine when the inte... | 05/01/2007 |
| 7210453 | Throttle control method and apparatus A throttle control device for transmitting signals to an electronic fuel control system for a vehicle engine is provided that includes an electromagnetic field generator and first and second electromagnetic field sensors positioned proximal to electromagnetic field.... | 05/01/2007 |
| 7210289 | Output control system for engine with exhaust control function An engine output control system includes an engine ECU having a fundamental ignition timing map, a fundamental fuel injection quantity map, a target throttle angle determination unit for determining a target throttle angle of an exhaust control valve, an exhaust con... | 05/01/2007 |
| 7204231 | Control device of internal combustion engine A control device of an internal combustion engine which determines a target throttle opening degree in accordance with a required intake pipe internal pressure and which suppresses the occurrence of hunting of the throttle opening degree is provided, wherein, when t... | 04/17/2007 |
| 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 |
| 7185630 | Air intake device for engine An engine includes a throttling device configured for both mechanical and electrical control. For example, the throttling device can include a throttle cable connection assembly configured to allow a throttle valve shaft of the throttling device to be controlled by ... | 03/06/2007 |
| 7185629 | Motor driving type throttle apparatus An throttle valve is controlled by using an electric actuator. A cover for covering one end side of the throttle valve shaft is attached to a side wall of a throttle body. a throttle position sensor unit and an electronic control module for controlling the throttle ... | 03/06/2007 |
| 7177753 | Method for limiting the rotational speed of internal combustion engines A method for limiting the rotational speed in an internal combustion engine is provided. A detection device detects prevailing operating parameters. Based on the prevailing operating parameters, the control variables for the ignition, injection and throttle valve po... | 02/13/2007 |
| 7171945 | Throttle device for multipurpose engine In a multipurpose engine throttle device having a throttle body disposed at an intake pipe of the engine and housing a throttle valve, a case is integrally attached to the throttle body and housing an electric motor moving the throttle valve, a speed reducer connect... | 02/06/2007 |
