Patent · US Expired

Fluid flow valve

US5385334A · kind A · utility

9Cited by
7References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 16, 1993
Grant dateJan 31, 1995
Priority date
Expiry dateJul 16, 2013

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16K41/106
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

In a preferred embodiment, in a fluid flow valve having a body and having a movable member with lower face, the movable member being movable between a position spaced from a sealing position in the body when the valve is in an open position and movable to the sealing position when the valve is in a closed position, the improvement including: an annular sealing member disposed in the outer periphery of the lower face of the movable member to sealingly engage a portion of the body when the valve is in the closed position.

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