Recirculating lubrication system with sealed lubrication oil storage
US8356694B2 · kind B2 · utility
3Cited by
6References
21Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 28, 2007 |
| Grant date | Jan 22, 2013 |
| Priority date | — |
| Expiry date | May 27, 2029 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF05D2260/85
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A recirculating lubrication system for a gas turbine engine comprises: a storage reservoir for storing a quantity of lubrication oil for the engine; an operating reservoir for supplying lubrication oil for the engine; a transfer valve with an inlet coupled to an outlet of the storage reservoir and an outlet coupled to an inlet of the operating reservoir to transfer the quantity of lubrication oil from the storage reservoir to the operating reservoir before starting the engine; and a pump for circulating the transferred lubrication oil through at least one engine bearing and back to the operating reservoir.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.