Patent ID: 7549836

Claim:
A bearing seal assembly for a gas turbine engine comprising: a first seal; a second seal axially spaced from the first seal, one of the first seal and the second seal contacting oil in an oil compartment of the gas turbine engine, the other of the first seal and the second seal contacting air in an air compartment of the gas turbine engine; a fluid compartment between the first seal and the second seal, an inlet into the fluid compartment disposed between the first and second seals for supplying a fluid at an elevated pressure; a third seal adjacent the first seal and outside the fluid compartment, the third seal and the first seal defining a closed, sealed compartment having a pressure that is lower than the pressure in the fluid compartment; a bracket, the first seal, second seal and third seal positioned between the bracket on an outer circumference and a rotor on an inner circumference, the bracket including an opening in communication with the inlet to the fluid compartment between the first seal and the second seal; and a first snap-ring between the first seal and the third seal and a second snap-ring between the second seal and the oil compartment, the first seal urged against the first snap-ring by the pressurized fluid in the fluid compartment, the second seal urged against the second snap-ring by the pressurized fluid in the fluid compartment.