Supply cylinder shut-off and flow control valve
US4793379A · kind A · utility
28Cited by
12References
6Claims
0Family size
Inventor
Key dates
| Filing date | Dec 2, 1987 |
| Grant date | Dec 27, 1988 |
| Priority date | — |
| Expiry date | Dec 2, 2007 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/88046
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A button-operated main shut-off and flow-control valve is disclosed which attaches directly to a supply cylinder in place of the conventional rotary-stem shut-off valve. Magnetic actuators in the valve eliminate the hazards of leaky seals around moving or rotating parts. Excess flow control is provided by internal valve elements which inhibit further fluid flow in excess of a design limit, and pressure regulation is provided within the same housing so that extremely low profile is preserved and fluid connections are significantly reduced for improved operating safety.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.