Depressurization device for the bearing lubricating chambers of

Details Depressurization device for the bearing lubricating chambers of Depressurization device for the bearing lubricating chambers of

1994-05-25

1995-07-04

Denion, Thomas E.

Lubrication

Systems

Gas turbine

60 3908, F01M 900, F02C 706

Patent

active

054292085

ABSTRACT:
A depressurization device for the lubrication chambers which surround the bearings of a turbomachine comprises venting ducts which communicate the lubrication chambers with the outside, and is provided with an auxiliary pumping mechanism which is arranged to be operated, when required, by way of an external pressure source. Preferably the venting ducts are provided with an air/lubricant separator and the auxiliary pumping mechanism comprises a jet nozzle which is located in the air exhaust duct from the separator, the external pressure source being the compressor of another turbomachine.

REFERENCES:
patent: 2432130 (1947-12-01), Serrell et al.
patent: 2487842 (1949-11-01), Whiteman et al.
patent: 2571166 (1951-10-01), Rossetto
patent: 2888097 (1959-05-01), Scheffler
patent: 4105093 (1978-08-01), Dickinson
patent: 4511016 (1985-04-01), Doell
patent: 4717000 (1988-01-01), Waddington
patent: 4888947 (1989-12-01), Thompson
patent: 5045711 (1991-09-01), Swearingen
patent: 5046306 (1991-09-01), Borre, Jr.
patent: 5121599 (1992-06-01), Snyder et al.

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