Zf Friedrichshafen Ag

Frank Geth&ouml;fer

Wolfgang Reuter

Ralf Zischka

Described is a radial piston pump with a pump housing ( ), which has a plurality of cylinder bores ( ) arrayed in star shape around a cam ( ), for the reception of pistons ( ) and possesses inlet ( ) and outlet ( ) when penetrate to each cylinder inner chamber ( ) with a therein compressible working volume. In accord with the invention, each cylinder inner chamber ( ) is provided with at least one relief opening, which connects the working volumes during a compression stroke of the piston ( ) with a space of lesser pressure for the reduction of the pressure gradient and also thereby reducing the noise of the pump.

Growing community of inventors

Friedrichshafen, Germany

Frank Gethöfer

Growing community of inventors

Friedrichshafen, Germany

Frank Geth&ouml;fer

Frank Gethöfer