Rotary valve
US5314165A · kind A · utility
8Cited by
7References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 14, 1993 |
| Grant date | May 24, 1994 |
| Priority date | — |
| Expiry date | Jul 14, 2013 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16K5/0694
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
There is disclosed a butterfly valve having a disc whose stem portions on its opposite ends are closely received within openings in opposite faces of the disc and a seat in the body of the valve. A seal assembly is mounted between the faces in surrounding relation to the stem portions so as to prevent the entry of line fluid into the openings.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.