Multiple-mode fluid-flow control valve arrangement
US4151862A · kind A · utility
6Cited by
1References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 17, 1978 |
| Grant date | May 1, 1979 |
| Priority date | — |
| Expiry date | Jan 17, 1998 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/86936
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A fluid-flow control valve arrangement comprising valve means operable in different conditions including variable-flow,, constant-flow and zero-flow mode conditions depending upon predetermined ranges of a prescribed operational parameter, the valve arrangement being useful especially for the control of the flow of fuel in a heating device such as a gas-burning water heating device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.