Patent · US Expired

Adjustable loss-of-head valve

US4150693A · kind A · utility

17Cited by
6References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 19, 1977
Grant dateApr 24, 1979
Priority date
Expiry dateMay 19, 1997

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T137/86759
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

An adjustable loss-of-head valve with a mobile perforated plate sliding on a stationary perforated plate, constituted by an annular one-piece body comprising an annular constriction on the upstream side with an annular recess immediately downstream from said constriction and in which a mobile perforated plate moves, a stationary perforated plate being disposed in the downstream part of this recess, the assembly formed by the body and the stationary plate being clamped between two flanges of a pipe on which said loss-of-head valve is placed.

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