Supply system for oil dampers
US4782919A · kind A · utility
22Cited by
5References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 21, 1987 |
| Grant date | Nov 8, 1988 |
| Priority date | — |
| Expiry date | Dec 21, 2007 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16C2360/23
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
The oil supply system for a fluid squeeze film damper carries a high frequency check valve mounted in serial flow relation to a low frequency check valve, wherein the low frequency check valve is disposed between the source of oil and the high frequency check valve so as to maintain the stiffness of the oil film and high level of the average oil pressure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.