Valve construction
US4137934A · kind A · utility
23Cited by
7References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 25, 1977 |
| Grant date | Feb 6, 1979 |
| Priority date | — |
| Expiry date | Feb 25, 1997 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/7668
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A single-ported double-seated valve mechanism is a valve body means with an inlet and outlet communicated by a flow passage and a chamber for receiving valve trim. A bonnet is secured to the valve body means. Valve trim is fixedly secured to the bonnet and positioned within the chamber. The bonnet and valve trim may be removed from the valve as a unit. An outwardly extending portion of the bonnet is sized to fit within the valve body wherein the valve body serves as a support or vise.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.