Patent ID: 7059128
Filing Date: 2006-06-13
Classification: B60T,F16D

Abstract:
1. A hydraulic system comprising: a master cylinder with a housing; a piston arranged with axial mobility to slide in the housing; a pressure compartment inside the housing, said pressure compartment being filled with a hydraulic fluid and closed off by the piston; a piston rod connected to the piston; a sealing means arranged between the housing and the piston; a slave cylinder; and a hydraulic fluid conduit between the master cylinder and the slave cylinder; wherein an application of force to the piston rod causes the piston to move in an axial direction and to put the hydraulic fluid under pressure; and wherein the piston comprises a duroplastic polymer material and at least one material from the group consisting of polytetrafluoroethylene, molybdenum disulfide, and graphite.