Patent · US Expired

Hydraulic rotary distributor, particularly for power steering mechanisms

US4300594A · kind A · utility

15Cited by
1References
4Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJul 9, 1979
Grant dateNov 17, 1981
Priority date
Expiry dateJul 9, 1999

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T137/86638
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

A hydraulic rotary distributor comprising two rotary members connected respectively to an input shaft and to an output shaft for controlling the supply in pressurized fluid to a power-assistance motor as a function of their relative angular position. According to this invention, are provided locking means dependent of a control pressure for preventing said rotary members from relative rotation until the torque applied to the input shaft exceeds a predetermined value. The invention is particularly intended for use in power steering mechanisms for automotive vehicles.

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