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| Number | Title | Issue Date |
| 6386174 | Method for operating an internal combustion engine The invention is directed to an internal combustion engine, especially for a motor vehicle. The engine has a combustion chamber into which fuel can be injected in at least two operating modes. A control apparatus is provided with which a switchover betwee... | 05/14/2002 |
| 6129774 | Clean air flow catalyst The catalyst of the invention includes Aluminium, Lead, Copper, Tin, Antimony, Zinc and Nickel located to be in contact with the fuel to be burned. Each of the elements is present in a preferred concentration range by weight which varies depending on the ... | 10/10/2000 |
| 6092504 | Device for controlling engine speed using dual governors The present invention is an apparatus for controlling the fuel rate to an engine using the throttle position, and for controlling the speed of the engine using decision logic to choose the best alternative among candidate fuel levels. A minimum speed gove... | 07/25/2000 |
| 6062197 | Hybrid power governor The present invention relates to an engine governor which interpolates between several fueling power curves based upon throttle position and engine speed. Each of the curves are chosen so as to provide a consistent power rise with decreasing engine speed ... | 05/16/2000 |
| 5533484 | Speed control by an automatic load displacement device for an internal combustion engine of a motor vehicle A load displacement device for a motor vehicle has a servomotor drivable in two directions of rotation and driving a coupling gear wheel which is guided by a coupling lever. An electromagnet swings the coupling lever against the force of a spring in order... | 07/09/1996 |
| 5526266 | Method for diagnosing an engine using a computer based boost pressure model In a method for diagnosing an engine using a computer based boost pressure model, a first set of parameters of the engine is sensed and used to determined a modeled value of an exhaust temperature. A second set of parameters of the engine is sensed. A mod... | 06/11/1996 |
| 5425338 | Railway locomotive diesel engine speed/load control during air starvation Methods of operating a locomotive engine to maintain power and speed under conditions of air starvation, as in high temperature tunnel operation, include varying engine load instead of fuel rate to maintain set engine speed when operating at (1) excessive... | 06/20/1995 |
| 5372111 | Fuel injection pump with speed governor The setting of the full load stop cam of a speed governor can be effected by simple means in a manner which is advantageous in terms of production technology. This simplification of the final setting of the cam (13) which is designed as a full load stop c... | 12/13/1994 |
| 5300819 | Automatic power regulator for induction type biogas generator Disclosed is an automatic power regulator for controlling an induction type biogas generator via an electrically controlled governor. The biogas generator is directly coupled with a commercial AC power network. The regulator controls the power output of t... | 04/05/1994 |
| 5235949 | Method and arrangement for controlling the fuel metered in a diesel engine The invention relates to a method and arrangement for preparing a fuel-metering signal M for a diesel engine starting with measured variables such as accelerator pedal position, rotational speed, lambda, exhaust gas temperature or torque. A fuel quantity ... | 08/17/1993 |
| 5231965 | Throttle signal modifying circuit An engine governor system includes an electronic governor which controls the fuel supply to an engine in response to an throttle signal supplied by a throttle potentiometer which coupled to a throttle lever. A circuit is connected between the throttle pot... | 08/03/1993 |
| 5211712 | Automatic control system for a friction-encumbered signaling device in a motor vehicle An automatic control system for a friction-encumbered signaling device (50) in a motor vehicle with the system including a first automatic controller (10) that compares an actual signaling-device position (UI) to a desired signaling-device position (US), ... | 05/18/1993 |
| 5168450 | Learning control system for the throttling of internal combustion engine A learning control system for controlling the throttling of an internal combustion engine includes a step motor for operating the throttling lever of a fuel supply device which supplies fuel to the internal combustion engine. Each time the number of steps... | 12/01/1992 |
| 5067461 | Method and apparatus for metering fuel in a diesel engine A method and an apparatus for metering fuel in a diesel engine is suggested wherein the fuel quantity is taken from a multi-dimensional characteristic field in the part-load range, in the full-load range, however, a limitation of the fuel quantity is unde... | 11/26/1991 |
| 5036815 | Mechanical injection-pump governor with an electronically controlled torque control A mechanical injection-pump governor with an electronically controlled torque-control in which, as a function of parameters, a stepping motor controllable by an electronic control device adjusts with its actuator a full-load stop interacting with the quan... | 08/06/1991 |
| 4836166 | Arrangement for controlling the metering of fuel to an internal combustion engine An arrangement is disclosed for controlling the metering of fuel to an internal combustion engine. The control can be open-loop and/or closed-loop and the amount of fuel metered to the engine is limited by means of a full-load limiter dependent on at leas... | 06/06/1989 |
| 4711211 | Fuel injection apparatus for internal combustion engine In a fuel injection apparatus for an internal combustion engine in which the fuel injection timing and the amount of fuel injection are controlled in response to a signal indicative of the operating condition of the engine, the maximum amunt of fuel injec... | 12/08/1987 |
| 4616615 | Method and system for controlling idling speed for a Diesel engine In a Diesel engine with a Bosch-type fuel pump or the like having a control lever which determines the fuel injection quantity, idling speed is controlled by a movable stopper which abuts the control lever to place a lower limit on fuel injection quantity... | 10/14/1986 |
| 4577604 | Control system for fuel pump for internal combustion engine A fuel pump control system controls the operating speed of the fuel pump to control the fuel pressure in a fuel supply circuit for a internal combustion engine. The control system includes a main control circuit constantly connecting a fuel pump driver to... | 03/25/1986 |
| 4548177 | Governor system A governor system for the fuel pump of a road vehicle includes a governor of the all-speed type and means is provided to vary the characteristic of the governor in the intermediate speed range in accordance with the load on the vehicle.... | 10/22/1985 |
| 4505240 | Fuel injection pump of the distributor type A fuel injection pump of the distribution type is provided with an electromagnetic valve for escaping the fuel in the pump chamber of the fuel injection pump. The fuel injection pump is also provided with a sensor for detecting the rotary angle of a pump ... | 03/19/1985 |
| 4502440 | Fuel injector governor Minimum and maximum fuel delivery of a mechanical diesel engine fuel injector is limited by the use of a single actuator which provides for a minimum fuel limit or maximum fuel limit in accord with a predetermined schedule. A failsafe mode of operation of... | 03/05/1985 |
| 4381746 | Method of controlling the rotational speed of an internal combustion engine The flow rate of intake air sucked into an internal combustion engine when a throttle valve of the engine is at the idling position is controlled so that the actual rotational speed of the engine becomes equal to a desired rotational speed of the engine. ... | 05/03/1983 |
| 4377139 | Pumping systems A fuel injection pump for supplying fuel to an internal combustion engine includes a plunger reciprocable within a bore by cams on a cam ring. Fuel is supplied to the bore by a throttle. A first valve is provided which connects a point intermediate the th... | 03/22/1983 |
| 4368705 | Engine control system An electronic engine control system (10) utilizing a digital microprocessor (30) for controlling the timing mechanism (13) and fuel pump rack limit (23) to set the engine timing of, and maximum allowable rate of fuel delivery to, an interval combustion en... | 01/18/1983 |
| 4364351 | Diesel engine fuel limiting system The position of a limit stop member which limits the mechanical position of a fuel metering valve in a diesel engine fuel injection pump is open loop controlled to a position offset from a desired fuel metering valve limit position by an amount in the inc... | 12/21/1982 |
| 4357920 | Apparatus for the adjustment of a quantity-metering member of a fuel injection pump A device is proposed for the adjustment of a quantity-metering member of a fuel injection pump in an internal combustion engine with self-ignition, comprising an electric circuit arrangement for a control signal dependent on operating parameters, this sig... | 11/09/1982 |
| 4354467 | Vehicle speed control systems A vehicle speed control system is disclosed in which a signal Vs representing actual vehicle speed is, when the vehicle is running at a desired speed, momentarily fed into, and then stored in, a memory. The memory therefore produces a signal representing ... | 10/19/1982 |
| 4343274 | Injection pump control arrangement A control arrangement for an injection pump of an internal combustion engine wherein a correcting element, determining the required power of the internal combustion engine, and a centrifugal speed governor, for maintaining the limiting speeds of the inter... | 08/10/1982 |
| 4294204 | Vehicle speed limiting device A vehicle speed limiting device is designed for use with diesel engines, particularly those in over-the-road trucks. A D.C. pulse generator is attached at the wheel or transmission speedometer pickup and provides a signal to a speed switch which includes ... | 10/13/1981 |
| 4243004 | Injection pump with electronically controlled full-load stop An injection pump with a full-load stop, preferably electronically controlled, which is adjustable against the force of a prestressed spring as a result of the control exerted by an electromagnet with a controllable stroke and which, when there is no curr... | 01/06/1981 |
| 4223654 | Method and apparatus for controlling the operation of a diesel engine A method and apparatus for controlling a Diesel engine by limiting the amount of fuel to be admitted to the engine in dependence on engine speed and on the air mass flow rate. The invention provides a primary set of stored data interrelating these variabl... | 09/23/1980 |
| 4177516 | Electronic digital governor The present invention relates to an electronic digital governor for controlling the RPM of an engine. The governor is comprised of a clock generator which includes a clear pulse generator and a latch pulse generator. A sensor is provided for receiving a t... | 12/04/1979 |
| 3973537 | Fuel supply systems for internal combustion engines An electronic governor, particularly for a diesel engine has a summing amplifier receiving signals representing the output of the pumps supplying fuel to the engine, engine speed, and engine demand. The summing amplifier serves to produce an output for op... | 08/10/1976 |