Fuel injection quantity adjustment device for motor vehicle engine, has pressure unit bordering chamber into which fuel is sucked during movement of unit in one direction, where fuel is pressurized during movement in other direction

摘要

The device has a camshaft which is assigned with a movable pressure unit (3). The pressure unit borders a pressure chamber (27) into which the fuel medium is sucked during movement of the pressure unit in one direction. The sucked medium is set under pressure, during the movement of the pressure unit in the other direction. The chamber is bordered in other side by a pressure unit which stays under spring action.