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Class 123/358 - Max-min governor (i.e., no control in between)


Subclass of Class 123 - Internal-combustion engines
Definition: Subject matter in which the circuit output regulates the
No. of patents: 34
Last issue date: 05/14/2002


NumberTitleIssue Date
6386174Method 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
6129774Clean 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
6092504Device 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
6062197Hybrid 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
5533484Speed 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
5526266Method 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
5425338Railway 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
5372111Fuel 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
5300819Automatic 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
5235949Method 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
5231965Throttle 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
5211712Automatic 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
5168450Learning 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
5067461Method 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
5036815Mechanical 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
4836166Arrangement 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
4711211Fuel 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
4616615Method 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
4577604Control 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
4548177Governor 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
4505240Fuel 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
4502440Fuel 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
4381746Method 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
4377139Pumping 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
4368705Engine 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
4364351Diesel 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
4357920Apparatus 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
4354467Vehicle 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
4343274Injection 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
4294204Vehicle 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
4243004Injection 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
4223654Method 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
4177516Electronic 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
3973537Fuel 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
 
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