Patent · US Active

Master cylinder, especially for a controlled brake system

US7997075B2 · kind B2 · utility

7Cited by
2References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 15, 2004
Grant dateAug 16, 2011
Priority date
Expiry dateSep 25, 2027

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB60T11/232
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

A master cylinder 1, especially for a controlled brake system, includes at least one piston 3, 4; 53, 54 displaceable in a housing 2, which is sealed in relation to a pressure chamber 7, 8 by means of a sealing element 5, 6 arranged in an annular groove 23, 24 of the housing 2, said pressure chamber being connectable to an unpressurized supply chamber 11, 12 by means of transverse bores 9, 10; 50, 51 provided in the piston 3, 4; 53, 54. Several recesses 15, 16, 17 are arranged on an inside surface 13, 14; 59, 60 of the piston 3, 4; 53, 54 into which the transverse bores 9, 10; 50, 51 open.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.