Patent · US Expired

Hydraulic control valve

US4879944A · kind A · utility

1Cited by
4References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 14, 1988
Grant dateNov 14, 1989
Priority date
Expiry dateApr 14, 2008

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T137/87177
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

A hydraulic valve is adapted to be connected between a pressurized supply line and first and second lines feeding respective first and second circuits with different functions, such as the steering and braking functions of an automobile vehicle. It comprises a first control member adapted to connect the supply line to the first feed line, a two-way distributor device for the second feed line and a second control member adapted to apply to the second feed line a pressure proportional to the force exerted by the user damped by virtue of a dashpot effect.

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