Monostable valve
US6253784A · kind A · utility
Inventor
Key dates
| Filing date | Aug 18, 1999 |
| Grant date | Jul 3, 2001 |
| Priority date | — |
| Expiry date | Aug 18, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/4259
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A monostable valve for controlling the sudden discharge of a gas contained in an enclosure. This valve comprises, in a control conduit (17), a second shutoff (18) between a closed position wherein the gas contained in the control chamber (13) cannot escape and a discharge position wherein the gas contained in the control chamber can escape, a drive mechanism (19) for rapidly moving the control shutoff to its discharge position, and a mechanism (20) for returning the control shutter to its closed position, respectively, and in that the area defined by the cross section of the discharge conduit (11) is at least constant, even increasing from the rear chamber (9) toward the outlet conduit (6) in order to limit head loss, and the main shutter (12) has low inertia.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.