Liquid level control valve
US4164955A · kind A · utility
3Cited by
5References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 18, 1977 |
| Grant date | Aug 21, 1979 |
| Priority date | — |
| Expiry date | Oct 18, 1997 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/7491
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A liquid level control valve, more particularly for use with air separation means and having a suction chamber communicating with a source of vacuum, is disclosed. A port in the wall of the suction chamber is opened and closed by a float-controlled valve which has the center of a flexible diaphragm fixely connected thereto and the periphery of the diaphragm sealingly engaged around the periphery of an aperture in the suction chamber, the arrangement providing a balanced action.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.