Patent · US Expired

Servo device for controlling flow in a hydraulic installation, particularly for the assisted steering of a vehicle

US4672885A · kind A · utility

17Cited by
6References
6Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 11, 1986
Grant dateJun 16, 1987
Priority date
Expiry dateMar 11, 2006

Classification

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

Abstract

The servo device for controlling flow (10) situated in a branch hydraulic line (6), incorporates in a body (11) an inlet passage (12) and an outlet passage (9) connected by an intermediate passage (13) forming a seat (14) for a valve component (15) which is pushed against its seat by a spring (26) and by an electromagnetic actuator (16) via a push-rod (23) which is slidingly sealingly mounted in a bore (22) between the intermediate passage (13) and an internal chamber (19) which is connected to the inlet passage (12).

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