Buffer device for the spiral housings of water turbines and like machines
US4773820A · kind A · utility
0Cited by
5References
10Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Mar 10, 1987 |
| Grant date | Sep 27, 1988 |
| Priority date | — |
| Expiry date | Mar 10, 2007 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E10/20
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A buffer device for the spiral housings of water turbines wherein the housing includes an extension located along the axis of the inlet conduit into the housing and wherein a hydraulic cylinder and piston assembly is disposed between the extension and a fixed support with a fluid conduit extending between the housing and the cavity of the hydraulic cylinder and piston assembly.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.