Patent · US Expired

Fluid valve

US4546790A · kind A · utility

16Cited by
7References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 7, 1983
Grant dateOct 15, 1985
Priority date
Expiry dateApr 7, 2003

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T137/7929
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

The fluid valve comprises an integral housing made of forged steel, the housing having tubular end portions as fluid inlet and outlet, respectively, conical transition zones having a cone angle of at least 30.degree., and a central enlargement joined by said transition zones to said inlet and outlet ducts. The valve system is positively held between the transition zones. One of the transition zones may form the valve seat cooperating with an axially displaceable valve body.

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