| Patent Number |
Title Of Patent |
Date Issued |
| 5295470 |
Fuel injection apparatus for internal combustion engines |
March 22, 1994 |
| A fuel injection apparatus for internal combustion engines, which includes a pump piston guided in a cylinder bore driven to reciprocate axially by a cam drive. With a face end, the pump piston defines a pump work chamber, which communicates with an injection valve via a pressure conduit |
| 5224451 |
System for controlling an internal combustion engine |
July 6, 1993 |
| A system for controlling an internal combustion engine of a motor vehicle, and, in particular, a self-ignitible internal combustion engine, that produces a speed signal, as well as a signal associated with the driver of the motor vehicle, such as a gas pedal position signal. A control un |
| 5220894 |
Fuel injection pump for internal combustion engines |
June 22, 1993 |
| A fuel injection pump for internal combustion engines for controlling the fuel quantity with an electric closed-loop control device, which controls an electric positioner, which in turn actuates an element that determines the fuel injection quantity per pump piston supply stroke. The sup |
| 5201297 |
Method and apparatus for controlling a high-pressure fuel pumping time in a fuel injection pump |
April 13, 1993 |
| It is possible in a simple manner, especially in distributor injection pumps, to attain quiet combustion in the idling range of a Diesel engine, without modifying the basic construction of the fuel injection pump by shifting the injection pumping to the last portion of the stroke of the |
| 5193510 |
Device for adjusting the onset of supply for a fuel injection pump |
March 16, 1993 |
| The invention relates to a device for adjusting the supply onset of a fuel injection pump for internal combustion engines, by means of which the injection onset is adjustable in several stages. A roller tappet provided with a hydraulic tappet chamber for prestroke variation is fixable in |
| 5193505 |
Fuel injection pump for internal combustion engines |
March 16, 1993 |
| A fuel injection pump for internal combustion engines which has a supply volume adjusting mechanism, being adjustable via a starting lever, an adjusting lever, and a tensioning lever. The starting lever is supported on the tensioning lever via a starting spring, and at non-operation of t |
| 5188075 |
Fuel injection pump for internal combustion engines |
February 23, 1993 |
| The invention is based on a fuel injection pump in which an adjuster, which may also be an injection onset adjuster, is actuated via an adjusting mechanism, and the adjusting mechanism has an adjusting piston, which is displaceable in a cylinder and is adjustable counter to a restoring f |
| 5072706 |
Fuel injection pump for internal combustion engines, in particular diesel engines |
December 17, 1991 |
| A fuel injection arrangement for internal combustion engines, particularly for diesel engines, is indicated, in which the fuel injection is divided into an advance injection and a main injection for the purpose of noise reduction. An advance injection unit (27) is provided for the purpos |
| 4870936 |
Fuel injection pump for internal combustion engines |
October 3, 1989 |
| A fuel injection pump of the distributor type in which a pump piston is driven to reciprocate and rotate simultaneously, thereby acting as a distributer. For fuel injection quantity regulation, an annular slide that is displaceable on a pump piston is provided, by way of which the pump |
| 4796592 |
Fuel injection pump for internal combustion engines |
January 10, 1989 |
| A fuel injection pump for internal combustion engines is proposed having a hydraulic instant-of-injection adjuster, which is exposed to an rpm-dependent pressure formed with the aid of a pressure control valve; the control of the pressure control valve is effected by means of variati |
| 4768719 |
Fuel injection nozzle for internal combustion engines |
September 6, 1988 |
| Fuel injection nozzle for internal combustion engines includes a first closing spring which acts continuously on the valve needle by means of a central pressure pin and, in addition, a second closing spring which acts continuously on the valve needle by means of a pressure piece after |
| 4767288 |
Fuel injection pump |
August 30, 1988 |
| A fuel injection pump is proposed in which the fuel supply quantity supplied to the injection location is determined by metering the quantity of fuel aspirated. The metering of the aspirated quantities is effected with the aid of at least one magnetic valve which is located in the fuel |
| 4733640 |
Fuel injection pump |
March 29, 1988 |
| A fuel injection pump for internal combustion engines is described, which for controlling fuel quantity is provided with control unit that controls an electric final control element, which in turn actuates the regulating member that determines the fuel injection quantity per pump piston |
| 4703730 |
Controlling device for a fuel-quantity adjusting member of a fuel injection pump |
November 3, 1987 |
| A fuel injection pump including a control device is proposed in which a control lever which determines the fuel injection quantity is placed at an adjustable spring which is not supported by the main power source of a governor lever. The control lever is subjected to lesser forces provid |
| 4690373 |
Magnetic valve for fluid control |
September 1, 1987 |
| The magnetic valve for fluid control in a fuel injection nozzle includes a valve housing having a magnetic coil mounted on a core of ferromagnetic material and an armature, which is connected to a valve closing element cooperating with a fixed valve seat. After the excitation of the magn |
| 4683055 |
Filter for diesel fuel |
July 28, 1987 |
| A diesel fuel filter, which is arranged in a conduit between a fuel tank and a fuel injection pump, comprises a housing accommodating a filter element and a cover non-releasably connected to the housing. A temperature-responsive switching device for switching fuel overflow quantities |
| 4664081 |
Fuel injection system for diesel internal combustion engines, in particular vehicle diesel engin |
May 12, 1987 |
| A fuel injection system for Diesel internal combustion engines, particularly vehicle Diesel engines, is proposed which has a full-load stop dependent on atmospheric pressure. The position of the full-load stop which adapts the injection quantity to the variable ambient air pressure i |
| 4655184 |
Fuel injection apparatus for internal combustion engines |
April 7, 1987 |
| A fuel injection apparatus for internal combustion engines in which beyond a predetermined remaining stroke during the supply stroke of the pump piston, a relief conduit is opened via a control edge. The same control edge closes the relief conduit once again during the intake stroke. Dur |
| 4630587 |
Fuel injection pump having an adjustable instant of injection |
December 23, 1986 |
| The injection pump includes a pump cylinder, a pump piston moving into it and a hydraulic device for adjusting the instant of injection. The adjusting device has an adjusting cylinder, which is directed parallel to the pump cylinder and is accommodated in the housing of the injection |
| 4630582 |
Arrangement for rapidly adjusting an electromagnetic load associated with an internal combustion |
December 23, 1986 |
| The invention is directed to an arrangement for rapidly adjusting an electromagnetic load associated with internal combustion engines. The output signals of two control systems are combined in a logic circuit such that priority is assigned to one of the two control systems. Dependent on |
| 4574762 |
Device for temperature responsive switching of overflow fuel quantities of a diesel fuel injecti |
March 11, 1986 |
| In a device for temperature responsive switching of overflow fuel quantities from a diesel fuel injection pump to a fuel supply tank or a filter of a fuel supply system a switching valve, arranged between the fuel injection pump and the tank, is actuated by a bimetallic element. Para |
| 4566421 |
Apparatus for the rpm-dependent adjustment of the timing of an injection pump |
January 28, 1986 |
| An apparatus for the rpm-dependent adjustment of the timing of an injection pump for internal combustion engines (shaft-type injection adjuster), in which a rotationally driven primary part is connected in a rotationally coupled manner with a secondary part but with the rotational angle |
| 4554903 |
Fuel injection apparatus for injecting a fuel mixture comprising at least two components |
November 26, 1985 |
| In the pump work chamber of a fuel injection pump, the main fuel delivered by a first metering valve is admixed with at least one further additional fluid by means of a second metering valve via a second inflow conduit. The two metering valves inserted into the inflow conduits and being |
| 4538580 |
Fuel injection pump |
September 3, 1985 |
| A fuel injection pump for internal combustion engines in which by means of an obliquely extending control groove on the jacket face of a distributor, the end of injection can be varied by opening a relief conduit during the displacement of the distributor. The injection onset is made to |
| 4535742 |
Fuel injection pump for internal combustion engines |
August 20, 1985 |
| A fuel injection pump for internal combustion engines, in which beyond a predetermined remnant stroke during the supply stroke of the pump piston a relief conduit is opened via a first control edge and the remaining fuel pumped by the pump piston is pumped into a reservoir connected ther |
| 4526150 |
Fuel injection apparatus for internal combustion engines |
July 2, 1985 |
| The fuel injection quantity of a fuel injection apparatus provided with a fuel injection pump is electrically regulated by means of the opening duration of a metering valve. Additionally, a shift in the instant of supply onset controlled in accordance with operating characteristics is |
| 4526149 |
Fuel injection apparatus for internal combustion engines |
July 2, 1985 |
| The fuel injection quantity of a fuel injection apparatus provided with a fuel injection pump is electrically regulated by means of the opening duration of a metering valve. Additionally, a shift in the instant of supply onset controlled in accordance with operating characteristics is |
| 4519352 |
Controlling device for a fuel-quantity adjusting member of a fuel injection pump |
May 28, 1985 |
| A fuel injection pump including a control device is proposed in which a control lever which determines the fuel injection quantity is placed at an adjustable spring which is not supported by the main power source of a governor lever. The control lever is subjected to lesser forces provid |
| 4512308 |
Device for adjusting the full-load injection quantity of a fuel injection pump for internal comb |
April 23, 1985 |
| A fuel injection pump in which the quantity adjustment member has a travel limitation in the form of an adjustable stop, which is adjusted in accordance with the displacement of an adjusting piston in accordance with a contour defined on the adjusting piston. The displacement of the |
| 4505242 |
Control apparatus for internal combustion engines |
March 19, 1985 |
| A control apparatus for internal combustion engines, which generates an adjustment path on the path of an adjustment member which is proportional to the air mass supplied to the engine. The control apparatus contains a counterpart pressure chamber sealed off from the outside and separate |
| 4501252 |
Fuel injection pump |
February 26, 1985 |
| A fuel injection pump in which the beginning of fuel injection can be adjusted to begin earlier than normal, particularly during warm-up by means of an adjusting piston. The adjustment takes place by changing the tension of the return spring which cooperates with the fuel injection a |
| 4476829 |
Electronic control system for the fuel quantity of an internal combustion engine having self-ign |
October 16, 1984 |
| An electronic control system for the fuel quantity of an internal combustion engine having self-ignition is proposed, in which above a predetermined load threshold the increase in fuel quantity is limited and a regulation of exhaust gas temperature is performed. The load threshold is |
| 4465049 |
Fuel injection apparatus for internal combustion engines, in particular diesel engines |
August 14, 1984 |
| A fuel injection apparatus for internal combustion engines, in which the onset and end of injection are determined by a hydraulically actuated control slide. The injection pump of the apparatus, which is preferably combined with an injection nozzle to form a pump/nozzle unit, has a pump |
| 4462376 |
Method and apparatus for determining and controlling the exhaust gas recirculation rate in inter |
July 31, 1984 |
| A method and an apparatus are proposed for determining and controlling an exhaust gas recirculation rate in internal combustion engines (Diesel engines), wherein an adjusting member in the exhaust gas recirculation line is adjusted by a regulator in order to attain precise regulation of |
| 4459964 |
Fuel supply apparatus for internal combustion engines |
July 17, 1984 |
| A fuel supply apparatus for internal combustion engines having a fuel injection pump for supplying a regulatable fuel injection quantity, a ventilation apparatus of the fuel injection pump, a fuel quantity meter and exhaust gas recirculation in accordance with fuel quantity. In the v |
| 4459963 |
Electrically controlled fuel injection apparatus for multi-cylinder internal combustion engines |
July 17, 1984 |
| A fuel injection apparatus in which the duration of fuel supply of at least two pump pistons of a fuel injection pump is determined by the closing duration of an electrically actuated overflow valve. The overflow conduits of at least two adjacent pump work chambers are interconnected, an |
| 4434777 |
Fuel supply apparatus for internal combustion engines |
March 6, 1984 |
| A fuel supply apparatus for internal combustion engines is proposed, which has a fuel injection pump for supplying a regulatable fuel injection quantity, a ventilation apparatus for the fuel injection pump, a fuel quantity meter and a means of exhaust gas recirculation controlled by fuel |
| 4426981 |
Apparatus for detecting the fuel quantity delivered to the combustion chambers of a diesel engin |
January 24, 1984 |
| A fuel quantity measuring apparatus, preferably for a Diesel engine, is proposed in which the course of the fuel pressure is evaluated. A specialized pressure gradient of a first polarity marks the onset of supply or injection, and the maximum of the pressure gradient of the other po |
| 4416233 |
Control apparatus for internal combustion engines |
November 22, 1983 |
| A control apparatus for internal combustion engines, which generates an adjustment path on the part of an adjustment member which is proportional to the air mass supplied to the engine. The control apparatus contains a counterpart pressure chamber sealed off from the outside and separate |
| 4398518 |
Fuel injection apparatus for internal combustion engines, in particular for diesel engines |
August 16, 1983 |
| A fuel injection apparatus for internal combustion engines is proposed (FIG. 1), in which the onset and end of injection are determined by a hydraulically actuated control slide. The injection pumps of the apparatus, which are preferably combined with an injection nozzle to make a pu |
| 4387686 |
Fuel injection apparatus for internal combustion engines, in particular for diesel engines |
June 14, 1983 |
| A fuel injection apparatus (FIG. 1) for internal combustion engines is proposed, in which the onset and end of injection are determined by means of a hydraulically actuated control slide. The injection pumps of the apparatus, preferably combined with an injection nozzle to make a pum |
| 4385867 |
Apparatus for positionally fixing a drive shaft disposed in a fuel injection pump for internal c |
May 31, 1983 |
| An apparatus is proposed for positionally fixing a drive shaft disposed in a fuel injection pump for internal combustion engines in a predetermined rotary position, in particular one associated with the onset of fuel supply, and for measuring and testing this rotary position. The apparat |
| 4378775 |
Method and apparatus for fuel injection in internal combustion engines in particular diesel engi |
April 5, 1983 |
| In the method according to the invention, the inlet pressure and the inlet cross section of the fuel pre-stored in the pump work chamber is constant, and it is solely the opening duration of an inlet valve which is electrically regulated. In addition, a shift in the instant of supply |
| 4354476 |
Apparatus for controlling the recirculated exhaust gas quantities and the injection quantity in |
October 19, 1982 |
| An apparatus is proposed which serves the purpose of controlling the exhaust gas recirculation quantity and the injection quantity in auto-igniting internal combustion engines. In this apparatus, an arbitrarily actuatable throttle valve is provided in the intake manifold, downstream |
| 4353340 |
Fuel injection pump for internal combustion engines |
October 12, 1982 |
| A fuel injection pump is disclosed in which the minimum injection quantity or idling rpm is determined by an arbitrarily adjustable stop. This stop is adjusted via a heatable bimetallic spiral, which acts counter to a spiral spring for the purpose of force compensation. |
| 4348895 |
Method for angularly correct mounting of a fuel injection pump on an internal combustion engine |
September 14, 1982 |
| A method is proposed in which the injection pump, having been adjusted in terms of the supply quantity and of the supply onset, is provided on a test bench, before being mounted on the internal combustion engine, with an electric pulse transducer, whose mounted position is marked on the |
| 4342302 |
Control apparatus for a fuel injection pump |
August 3, 1982 |
| The invention relates to a control apparatus for the variation of the onset of supply by a fuel injection pump having an adjustment piston engaging the piston cam drive, the adjustment piston under rpm-dependent pressure being adjustable counter to a restoring force by a fluid located in |
| 4332227 |
Injection timing device for internal combustion engines |
June 1, 1982 |
| An injection timing device is proposed for internal combustion engines, by means of which the mutual rotary position of the output shaft with respect to the input shaft can be varied in dependence on the speed and on at least one further operating parameter. The timing device comprises |
| 4306528 |
Fuel injection apparatus for internal combustion engines, particularly diesel engines |
December 22, 1981 |
| A fuel injection apparatus for internal combustion engines, in particular food Diesel engines, including a mechanically driven injection pump, preferably embodies as a pump/nozzle assembly, in which the piston speed of the pump piston is variable for the purpose of controlling the peak |
| 4304209 |
Apparatus for controlling the recirculated exhaust gas quantities and the injection quantity in |
December 8, 1981 |
| An apparatus is proposed which serves the purpose of controlling the exhaust gas recirculation quantity and the injection quantity in auto-igniting internal combustion engines. In this apparatus, an arbitrarily actuatable throttle valve is provided in the intake manifold, downstream |