Multiple-mode fluid-flow control valve arrangement
US4085921A · kind A · utility
26Cited by
7References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 6, 1976 |
| Grant date | Apr 25, 1978 |
| Priority date | — |
| Expiry date | Apr 6, 1996 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/86976
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
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.