Means for controlling the air scavenge pressure in the bearing c

Details Means for controlling the air scavenge pressure in the bearing c Means for controlling the air scavenge pressure in the bearing c

1982-05-13

1984-04-10

Casaregola, Louis J.

Power plants

Combustion products used as motive fluid

With lubricators

184 611, F02C 706

Patent

active

044413114

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.

REFERENCES:
patent: 3171354 (1965-03-01), Sohlemann
patent: 3378104 (1968-04-01), Venable
patent: 3884041 (1975-05-01), Zerlauth

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