Semispherical shape valve device in bladder type accumulators
US4287916A · kind A · utility
6Cited by
5References
13Claims
0Family size
Inventors
Key dates
| Filing date | Oct 24, 1979 |
| Grant date | Sep 8, 1981 |
| Priority date | — |
| Expiry date | Oct 24, 1999 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF15B2201/615
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
Valve device of bladder type accumulators consisting of a pressure vessel with a bladder enclosed therein, a valve body is secured in the bottom free end of the bladder and a valve seat is formed in the top inside periphery of a liquid pipe, the opposing faces of said valve body and valve seat are so formed to mate closely to each other that when the bladder expands a part of the bladder will not be caught between the valve body and valve seat, thus it is protected from being damaged.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.