Metal diaphragm valve
US4828219A · kind A · utility
60Cited by
3References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 27, 1987 |
| Grant date | May 9, 1989 |
| Priority date | — |
| Expiry date | Oct 27, 2007 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16K41/12
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A metal diaphragm valve in which the interior of a valve casing is divided, by means of a metal diaphragm, thereby defining a valve chamber. Inlet hole and outlet hole are connected to the valve chamber. A valve seat is provided between the inlet and outlet holes, inside the valve chamber. A valve disk adapted to rest on the valve seat, is formed integrally with the diaphragm. The valve disk is driven by a drive unit disposed outside of the valve chamber, to open or close the valve.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.