Patent · US Expired

Fluid mechanism with axially movable valve-seat

US4326450A · kind A · utility

19Cited by
2References
10Claims
0Family size

Assignee

Inventor

Key dates

Filing dateFeb 28, 1980
Grant dateApr 27, 1982
Priority date
Expiry dateFeb 28, 2000

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB60K2007/0092
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

The invention relates to a fluid mechanism supplied with pressurized fluid by means of a "dis-engageable" valve-seat. Such mechanism further comprises a controlled and independent device for re-engaging the said valve-seat. The invention finds an application in the production of a hydraulic relief engine for use on a trailer pulled by a tractor.

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