Clock controlled gas pressure regulator
US5097858A · kind A · utility
9Cited by
3References
5Claims
0Family size
Inventors
Key dates
| Filing date | Mar 28, 1991 |
| Grant date | Mar 24, 1992 |
| Priority date | — |
| Expiry date | Mar 28, 2011 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/86389
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A clock controlled solenoid valve selectively enables or disables one or the other of two pilot control valves, one set at a higher and the other at a lower pressure setting, for selectively changing the outlet pressure from a main regulator valve between said higher and lower settings.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.