Patent · US Expired

Dual-circuit master cylinder having auxiliary piston and yoke with equalization chambers for hydraulic equalization

US4631924A · kind A · utility

9Cited by
10References
6Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJun 8, 1984
Grant dateDec 30, 1986
Priority date
Expiry dateJun 8, 2004

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB60T11/203
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

A dual-circuit master cylinder having hydraulic equalization is disclosed including a casing having two parallel bores and elongated pistons defining two power chambers in the casing connected to wheel brakes, a yoke including two blind bores receiving extending portion of the pistons defining two equalization chambers, an auxiliary piston operatively connected to the yoke, and a brake actuating member defining an auxiliary chamber connected to a supply reservoir via a check valve for supplying equal pressurized fluid to the equalization chambers upon movement of the auxiliary piston and yoke to displace the power pistons.

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