Mechanism including two cut-off devices in series
US4276905A · kind A · utility
15Cited by
10References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 10, 1980 |
| Grant date | Jul 7, 1981 |
| Priority date | — |
| Expiry date | Mar 10, 2000 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/87917
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A mechanism for a hydraulic pipe comprises two rotatable cut-off devices in series arranged inside two half-shells which are arranged symmetrically, relative to a mean transverse plane, and which are connected by being bolted together by their flanges. Each half-shell supports the journals of a cut-off device and an intermediate piece may be provided for supporting center gaskets. The mechanism is particularly applicable to the protection of turbines in a high-fall hydroelectric installation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.