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| Number | Title | Issue Date |
| 7347048 | Internal combustion engine comprising an engine braking arrangement In an internal combustion engine comprising an engine braking arrangement including a constant throttle valve, an exhaust gas turbocharger with a variable turbine guide vane structure and a power turbine connected to an exhaust tract and a compressor connected to an... | 03/25/2008 |
| 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 |
| 7191641 | Rotary position sensing assembly for internal combustion engine A rotary position sensing assembly for an internal combustion engine includes a mounting socket rigidly attached to a structural support of a rotating component and a position sensor slidably engaged with the socket. A slidably engageable retainer maintains the sens... | 03/20/2007 |
| 7148640 | Valve controller The invention provides a valve controller of a motor utilizing type for improving control accuracy and reducing cost. The valve controller controls valve opening and closing of an engine by utilizing rotation torque of the motor, and has a driving circuit receiving ... | 12/12/2006 |
| 7080627 | Throttle control device for internal combustion engines A throttle control device having a quick response and a control stability in the ISC running mode of an internal combustion engine comprises: feedback control means for outputting an amount of activation for activating a drive motor by using a predetermined control ... | 07/25/2006 |
| 6990952 | Air amount control valve having valve body for controlling air passage An air amount control valve is connected to a sidewall of a throttle body in which a main air passage for supplying intake air into an internal combustion engine is formed. The air amount control valve has a bypass air passage bypassing the main passage and controls... | 01/31/2006 |
| 6983735 | Control apparatus for controlling the amount of intake air into an engine A control for controlling an intake air into an engine is provided. A control valve for adjusting an amount of the intake air into the engine is provided. A desired opening degree of a control valve provided in an intake air passage into the engine is determined bas... | 01/10/2006 |
| 6595184 | Intake control system of multi-cylinder engine An intake control system has intake control valves disposed in intake passages of cylinders of a multi-cylinder internal combustion engine. ECU controls the opening degrees of the intake control valves of the respective cylinders based on signals from sen... | 07/22/2003 |
| 6510839 | Electronic throttle spring torque adaptation system A method for controlling a positioning device of an internal combustion engine includes the an electric motor for actuating the positioning device. The electric motor actuates the positioning device against the spring bias torque. A first current is suppl... | 01/28/2003 |
| 6488006 | Electronic throttle idle speed control system A method for controlling a positioning device of an internal combustion engine includes the steps of: providing an electric motor for actuating the positioning device; detecting a position of the positioning device in relationship to a stop; determining w... | 12/03/2002 |
| 6484693 | Sensor control for engine A method and apparatus for providing corrected throttle valve opening data to the ECU for calculation of various engine parameters includes computing a throttle opening adjustment value H by subtracting a sensed throttle valve opening S from a actual thro... | 11/26/2002 |
| 6433448 | Integrated torque motor and throttle body An electrically operated throttle valve assembly 110, 210 having a throttle shaft 18, 218 with a portion extending exteriorly of the throttle body 12. Rotor 166, 266 is mounted on the extending portion of shaft 18, 218. A housing 80 concentrically surroun... | 08/13/2002 |
| 6332447 | Diesel engine A dish-shaped combustion chamber (14) is formed in a diesel engine piston (13), and a fuel injector (16) is installed on the center axis of this combustion chamber (14). A device (3,41) is provided for varying the intake air amount aspirated into the engi... | 12/25/2001 |
| 6223719 | Device for controlling the amount of the air taken in by an engine A device for controlling the amount of the air taken in by an engine, for improving the starting performance of when the accelerator pedal is depressed from the idling state. The device comprises a throttle control means 10A for operating a target throttl... | 05/01/2001 |
| 6186115 | Throttle valve control device for an internal combustion engine A throttle valve is rotatably mounted to a throttle body through a throttle shaft. An internal bore shape of the throttle body is of a straight bore type having a shape in which the center of rotation of the throttle valve is placed on the central line of... | 02/13/2001 |
| 5875762 | Engine controller An engine controller includes various sensors for detecting a degree of throttle opening θ and a degree of accelerator opening and a control unit 5 for determining the control amount θc of a throttle actuator 1 from operating states, the control... | 03/02/1999 |
| 5875757 | Method and apparatus for controlling idle speed of stratified charge injection engine An apparatus for controlling idle speed of an engine is disclosed. The engine is able to perform stratified charge combustion and uniform charge combustion. A fuel injection valve directly injects fuel into the combustion chamber to perform either stratif... | 03/02/1999 |
| 5855195 | Flow control equipment for an internal combustion engine A flow controller in a flow control valve for an internal combustion engine. When the flow control valve is operated in a closing direction upon the occurrence of an abnormal state in the flow control valve such as sticking, resonance frequency vibration ... | 01/05/1999 |
| 5742921 | Automatic self-calibration method for position encoder This invention includes the method of calibrating an inductance position encoder for a variable reluctance motor including the steps of selectively positioning the motor to predetermined positions, detecting the readings from position encoder and averagin... | 04/21/1998 |
| 5690070 | Apparatus for governing the idling RPM of an internal combustion engine An apparatus for governing an idling rpm of an internal combustion engine by controlling a quantity of operating fluid that can be supplied to the engine from an operating fluid source via at least two flow lines. A first valve opening cross section at a ... | 11/25/1997 |
| 5564388 | Device for controlling the idling speed of an internal combustion engine A device for controlling the idling speed of an internal combustion engine by controlling a quantity of operating medium which can be fed to the internal combustion engine from an operating medium source via at least two flow lines. A first valve operatin... | 10/15/1996 |
| 5243941 | Actuator for engine idling control mechanism An actuator for an engine idling control mechanism, which includes a throttle valve disposed in an intake manifold tube, a slidable plunger unit, a drive mechanism for forcibly sliding the plunger unit, a detecting device for detecting whether the throttl... | 09/14/1993 |
| 5239961 | Rotary idle-speed actuator A rotary idle-speed actuator for controlling a throttle cross-section in a line carrying combustion air for an internal combustion engine has an actuating motor with a stator and a rotor. The rotor is mounted on a shaft of a throttle member which more or ... | 08/31/1993 |
| 5168850 | Load adjustment device A load adjustment device is provided with a throttle valve (9) which determines the output power of an internal combustion engine and is connected, fixed for rotation, to a throttle-valve shaft (32) which is mounted in the throttle valve housing (30). The... | 12/08/1992 |
| 5161508 | Load adjustment device A load adjustment device is provided with a throttle valve (9) which determines the output of an internal combustion engine and is fastened, fixed for rotation, to a throttle-valve shaft (32), which is mounted in a throttle-valve housing (30). In idle ope... | 11/10/1992 |
| 5121728 | Load adjustment device A load adjustment device has a control element (8) for action on at least two setting members (9a, 9b) which determine the output power of an internal combustion engine. The control element is spring-coupled with a driver (3) which can be actuated via an ... | 06/16/1992 |
| 5065718 | Engine idle control valve An engine control valve is disclosed which comprises a first bypass passage for introducing auxiliary air flow to an engine from an upstream side of an intake throttle valve disposed in an air intake pipe of the engine while bypassing the intake throttle ... | 11/19/1991 |
| 5040507 | Method and device for variable idle speed control of an internal combustion engine A method and device for providing a time-varying minimum engine speed setting are disclosed. A first embodiment of the device includes programming within an electronic engine control module for variably supplying fuel to an engine via variable activation ... | 08/20/1991 |
| 5035213 | Load-shifting device A load-shifting device has a control element (4a, 4b) which acts on a setting member (7,9) which determines the output of an internal combustion engine. The control element is adapted to be connected to an accelerator (1) and is controllable by an electri... | 07/30/1991 |
| 5033431 | Method of learning gain for throttle control motor An idle speed control motor under computer control positions a throttle stop for setting minimum throttle angles. The motor response to actuating pulses varies from motor to motor so that a gain factor is determined for each motor and is used to calculate... | 07/23/1991 |
| 5005545 | Flow regulator The regulator of this invention is used specifically to regulate the idling speed of an internal combustion engine and includes a servomotor, a throttle unit and a holder designed as separate units and are intended to be combined in an appropriate manner ... | 04/09/1991 |
| 5003947 | Arrangement for apportioning the idling air of internal-combustion engines An arrangement is disclosed for the apportioning if the idling air of internal-combustion engines having an adjustment motor for driving an adjusting member for changing a flow control cross-section and a supplementary device which can be actuated when th... | 04/02/1991 |
| 4976237 | Engine air intake valve An engine air intake valve for controlling engine idling speed includes a rotary electrical actuator for actuating a rotary slidable valve element across a flow port in a cylindrical valve seat. The flow port is rectangular so that each unit angular movem... | 12/11/1990 |
| 4962737 | Device for controlling at least one throttle cross-section at a control opening A device for controlling a throttle cross-section of at least one control orifice in a bypass line extending around a throttle valve of an air intake pipe of an internal combustion engine, for regulating an idle speed of the internal combustion engine, an... | 10/16/1990 |
| 4913114 | Governing apparatus for the idling rpm of an internal combustion engine An apparatus for assisting in governing the idling rpm of an internal engine including a bypass line that bypasses a throttle valve in an air intake tube. A rotary slide valve secured to one end of a shaft which is controlled by a motor is rotatable in th... | 04/03/1990 |
| 4796580 | Idle control valve for use with a throttle assembly of an internal combustion engine Idle control valve for use with a throttle assembly of an internal combustion engine includes a valve body, and a valve spool mounted within the valve body so as to be rotatable in opposite directions about an axis common to the valve spool and body. The ... | 01/10/1989 |
| 4771750 | Method and apparatus for regulating the idling charge of an internal combustion engine An apparatus is proposed for regulating the idling charge of an internal combustion engine having at least two banks each including a plurality of engine cylinders. Each bank has its own air intake line with throttle valves. Bypassing each throttle valve ... | 09/20/1988 |
| 4702208 | Device for electrical actuation of the accelerator of an internal combustion engine Device for electrical actuation of the accelerator of an internal combustion engine, particularly of a motor vehicle, comprising a reduction gear interposed between an electric motor and an element for actuating the accelerator. The reduction gear compris... | 10/27/1987 |
| 4694797 | Fuel supply system for internal combustion engine In a single point injection system of the kind having an electronically controlled fuel injector disposed upstream of a throttle valve, a throttle body is formed with a fuel storage chamber and an idle fuel pickup passage for supplying fuel in the fuel st... | 09/22/1987 |
| 4668440 | Device for regulating engine idling speed The device is provided in an intake pipe 9 in connection with a throttle valve 2 which is displaceable by a gas pedal 7 and acted against by a return spring 8. To this throttle valve there is connected a rotary element 9 on which there is developed at lea... | 05/26/1987 |
