Accumulator
US4177837A · kind A · utility
12Cited by
9References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 19, 1977 |
| Grant date | Dec 11, 1979 |
| Priority date | — |
| Expiry date | May 19, 1997 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S277/946
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
An accumulator comprising a cylinder and piston in which the front end of the piston is characterized by two spherical zones separated by a chordal zone while the opposed end wall of the cylinder is concave having a slope substantially the same as said chordal zone; the piston seal is an elastomeric ring supported on each side.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.