Patent · US Expired

Multiway valves with load feedback

US4738279A · kind A · utility

10Cited by
1References
6Claims
0Family size

Assignee

Inventor

Key dates

Filing dateDec 4, 1986
Grant dateApr 19, 1988
Priority date
Expiry dateDec 4, 2006

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T137/87169
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A multiway valve is provided having a load feedback wherein a pressure-reducing element that reduces the pressure conveyed to a connection through the valve with a control pressure signal line is controlled as a function of the displacement of a valve piston in the multiway valve.

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