Gas and liquid flow control valve
US3985156A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Nov 19, 1974 |
| Grant date | Oct 12, 1976 |
| Priority date | — |
| Expiry date | Nov 19, 1994 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/87121
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
The disclosure relates to a gas and liquid flow control valve comprising a valve body having a bore therethrough, said bore having an inlet portion and an enlarged outlet portion separated by an annular shoulder portion, a gas inlet and a liquid inlet fixed to said inlet portion, said gas and liquid inlets being concentrically arranged with respect to each other, a first tubular valve element disposed in said outlet portion and being movable relative thereto between opened and closed positions, manually operated means exteriorly carried by said valve body and said first and second tubular valve elements, said means being selectively movable relative to said tubular valve elements whereby the same may be simultaneously moved between opened and closed oppositions, and said means including a first and second operator means for said first and second tubular valve elements, respectively, whereby one of said tubular valve elements may be operated independently of the other.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.