Adjustable loss-of-head valve
US4150693A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 19, 1977 |
| Grant date | Apr 24, 1979 |
| Priority date | — |
| Expiry date | May 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.