Patent · US Expired

Hydraulic brake system

US5205618A · kind A · utility

2Cited by
8References
11Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJun 24, 1991
Grant dateApr 27, 1993
Priority date
Expiry dateJun 24, 2011

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T137/778
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

A hydraulic brake system comprises an electromagnetic normally open inflow valve fluidly disposed between a master cylinder and a wheel cylinder, and a hydraulically shiftable plunger valve fluidly disposed between the electromagnetic inflow valve and master cylinder. The plunger valve is responsive to hydraulic fluid forced out of the master cylinder for establishing a first state wherein flow of hydraulic fluid forced into the wheel cylinder is restricted or a second state wherein hydraulic fluid forced out of the master cylinder into the wheel cylinder is unrestricted.

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