Static head charged hydraulic accumulator
US4777800A · kind A · utility
45Cited by
8References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 5, 1984 |
| Grant date | Oct 18, 1988 |
| Priority date | — |
| Expiry date | Mar 5, 2004 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/402
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A hydraulic accumulator for subsea use, which charges itself as it is lowered to the operating depth. The seawater and hydraulic fluid operate against unbalanced pistons (36, 52) with low pressure gas (42) therebetween.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.