Patent · US Expired

Hydraulic distributor, especially for servo-control systems of aircraft and helicopters

US4335745A · kind A · utility

17Cited by
3References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 26, 1980
Grant dateJun 22, 1982
Priority date
Expiry dateJun 26, 2000

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T137/86871
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

An annular element which is stationary under normal operating conditions is interposed between a stationary sleeve and a central rotary plug. The annular element is provided with peripheral passages and radial openings, said radial openings being located in the line of extension of bores formed in the stationary sleeve. In the event of accidental seizure of the rotary plug, the annular element is automatically released and driven in rotation, thus permitting progressive transfer of the hydraulic fluid from one bore of the stationary sleeve to the adjacent bore via the peripheral passages.

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