Patent ID: 6450787
Filing Date: 2002-09-17
Classification: B60T,F04B

Abstract:
A piston pump of the type used in pressure fluid conveyance in hydraulic, slip-controlled brake systems, comprising:a pump housing having a bore therein, at least one piston residing in said bore, a suction valve and a pressure valve, wherein the suction valve and the pressure valve are formed on a structural unit wherein the valves are arranged with respect to one another in a substantially vertical relationship, and wherein said structural unit communicates with said bore, wherein the suction valve is arranged axially and wherein the pressure valve is arranged radially relative to a longitudinal axis of the structural unit, wherein the pressure valve further includes a valve closure body and a valve seat, wherein the valve closure body is biased by a preloading element against the valve seat thereof, wherein the preloading element is formed on a clip, wherein the clip includes first and second sections formed substantially vertical relative to one another, wherein the first section is attached to the structural unit and the second section is provided to preload the valve closure body.