Volker Holzgrefe

Electrically controlled fuel injection pump for internal combustion engines

Solenoid valve for slip-controlled hydraulic brake systems in motor vehicles

Perforated disc and valve comprising the same

Electrically controlled fuel injection pump for internalelectrically controlled fuel injection pump for internal combustion engines combustion engines

Electromagnetically actuated injection valve

Fuel injection valve for direct injection of fuel in combustion chamber of internal combustion engine, has longitudinal axis, with actuator, with movable valve part, which acts together with fixed valve seat for opening and closing of valve

Injection valve for fuel injection systems

Two-piece coupling

Fuel injecting valve for fuel injection system of internal-combustion engine, has narrow side surfaces of injecting opening tapering in flow direction convergent to each other such that opening tapers in flow direction

Multi-fan-jet nozzle and a fuel injection valve provided with said nozzle