Patent · US Expired

Pressure locking master cylinder

US7497523B2 · kind B2 · utility

1Cited by
6References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 8, 2005
Grant dateMar 3, 2009
Priority date
Expiry dateMar 3, 2026

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB60T13/686
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

A pressure locking master cylinder including a fluid reservoir for storing a hydraulic fluid, a housing, a piston slidably received within the housing and defining a working chamber and a blocking chamber, wherein the blocking chamber is in fluid communication with the reservoir, and a valve positioned between the blocking chamber and the reservoir, the valve being adapted to selectively trap the hydraulic fluid within the blocking chamber to lock the piston in a position with respect to the housing.

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