| Patent Number |
Title Of Patent |
Date Issued |
| 6601552 |
Hydraulically controllable globe valve |
August 5, 2003 |
| A hydraulically controllable globe valve having a stem piston to which pressure can be applied by a spring connected to a pressure source, with the stem piston being able to move from a first end position in the direction of a second end position. Pressure control means are provided |
| 6564758 |
Method for operating an internal combustion engine with variable charge changing control times |
May 20, 2003 |
| A method for operating an internal combustion engine with variable gas exchange control times and with variable control times for the inlet and outlet valves includes, in various operating modes, direct exhaust-gas recirculation by the retarded closing of the outlet valve, exhaust-gas |
| 6491007 |
Hydraulically controllable globe valve |
December 10, 2002 |
| A hydraulically controllable globe valve having a stem piston to which pressure can be applied by a spring connected to a pressure source, with the stem piston being able to move from a first end position in the direction of a second end position. Pressure control means are provided |
| 6167853 |
Hydraulic control device for at least one lifting valve |
January 2, 2001 |
| The invention relates to a hydraulic control device for a lifting valve, the said device comprising a valve stem capable of being moved by two spring means acting in opposition to one another, the valve stem being capable of being activated hydraulically in the region of its end posi |
| 5943988 |
Operating arrangement for a gas change valve of an internal engine combustion engine |
August 31, 1999 |
| In an operating arrangement for a gas change valve of an internal combustion engine including an electromagnetic structure having an armature which is connected to the valve and which forms an operating piston disposed in a cylinder for reciprocating movement therein between an upper |
| 5809950 |
Hydraulic valve control arrangement |
September 22, 1998 |
| In a hydraulic valve control arrangement particularly of an internal combustion engine wherein the valve has a valve stem by which it is supported so as to be slideable between a closed and an open position and first there are provided first spring means biasing the valve in the clos |
| 5765515 |
Controllable hydraulic valve operating mechanism |
June 16, 1998 |
| In a hydraulic operating mechanism for a valve which comprises a valve stem with first spring means acting on the valve stem in the valve closing direction, and second spring means acting at least intermittently on the valve stem in a valve opening direction, the compressing force of the |
| 5645030 |
Motorbrake for a diesel engine |
July 8, 1997 |
| In a motorbraking arrangement for a Diesel engine with at least one engine breathing valve and at least one fuel injector per cylinder and a high pressure fuel pump with a high pressure fuel reservoir for supplying high pressure fuel to the injectors, a control valve is provided for |
| 5595148 |
Hydraulic valve control device |
January 21, 1997 |
| The invention relates to a freely activatable hydraulic valve control device for a stroke valve, which valve control device is arranged particularly in an internal-combustion engine. The stroke valve includes a valve stem and a first spring acting on the valve stem in the valve-closi |
| 4930464 |
Hydraulically operating actuating device for a lift valve |
June 5, 1990 |
| A hydraulically operating actuating device for a lift valve, in particular in an internal combustion engine, has a piston which is connected to the valve stem. The piston is positioned in a cylinder and separates two stroke spaces which are connectable, in each case via inlet and outlet |
| 4903896 |
Fuel injection device for an internal combustion engine having preinjection and main injection a |
February 27, 1990 |
| The invention relates to a fuel injection device for an air-compressing fuel-injected internal combustion engine, which has an injection line leading from a pump element of high pressure injection pump to a bifurcation branch leading to a main injection nozzle and a preinjection nozz |
| 4763841 |
Injection nozzle for injecting fuel into the combustion chamber of an air-compressing fuel-injec |
August 16, 1988 |
| An injection nozzle for injecting fuel into the combustion chamber of an air-compressing internal combustion engine is provided, having a valve closing member which lifts inwards from its valve seat as a function of the fuel pressure. The valve closing member is formed by a diaphragm whi |
| 4712530 |
Hydraulic adjusting arrangement for an injection pump |
December 15, 1987 |
| This invention relates to a hydraulic adjustment arrangement for the control of the injection start for a motor vehicle internal combustion engine, consisting of a primary part on the side of the internal-combustion engine and a secondary part on the side of the injection pump as wel |
| 4711220 |
Pressure oil guide device for injection pump shaft |
December 8, 1987 |
| This invention relates to a hydraulic-oil feeding device for a hydraulically operated injection timing mechanism disposed on the injection pump shaft of an injection pump for air-compressing injection-type internal-combustion engines. A pump shaft is partially disposed in an injectio |
| 4655254 |
Control valve, in particular an electrohydraulic control valve |
April 7, 1987 |
| A control valve, in particular, an electrohydraulic control valve for controlling the injection pump of a diesel engine, incorporates a slider which is guided in a housing, in a manner permitting movement in the axial direction, the housing possessing radial flow-ports and, in the region |
| 4615321 |
Method and apparatus for checking sensors |
October 7, 1986 |
| A method and apparatus for checking sensors, in which the measurement signals, electrically detected in a checking unit and representative of the operating conditions of an internal combustion engine, are statically monitored. The measurement signals are checked with respect to whether |
| 4546426 |
Method for controlling the position of an actuator in a manner whereby the adjustment is adaptiv |
October 8, 1985 |
| A method and an apparatus for controlling the position of an actuator contemplates generating a signal indicative of actuator position, generating a signal indicative of desired actuator position, comparing the actuator position signal to the desired actuator position signal, and gen |
| 4509488 |
Process and apparatus for intermittent control of a cyclically operating internal combustion eng |
April 9, 1985 |
| A process for intermittent control of a cyclically operating internal combustion engine wherein, in the succession of working cycles, working strokes are skipped--in approximately uniform distribution--and the number of skips is varied in dependence on the load. Fuel is fed in a controll |
