Means for controlling the air scavenge pressure in the bearing compartment of a gas turbine engine
US4441311A · kind A · utility
5Cited by
3References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 13, 1982 |
| Grant date | Apr 10, 1984 |
| Priority date | — |
| Expiry date | May 13, 2002 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF01D25/18
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A gas turbine engine has a bearing compartment with seals for confining the oil in a compartment and with compressor discharge pressure supplied to the seals externally of the compartment and in which a restrictive valve controlling the compartment vent is actuated by compressor discharge pressure to be opened in response to a drop in this pressure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.