Temperature and pressure resistant rotating seal construction fo

Details Temperature and pressure resistant rotating seal construction fo Temperature and pressure resistant rotating seal construction fo

1995-12-08

1997-07-01

Cummings, Scott

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 59, 277 65, 277 69, 415111, 415175, F16J 1534

Patent

active

056428880

ABSTRACT:
A seal construction is provided for sealing a rotating pump shaft against passage of a fluid along its central axis. The seal construction includes front and rear sealing flanges mounted coaxially to and rotatable with the pump shaft. Stationary engaging members are provided adjacent the rear surface of the front sealing flange and the front surface of the rear sealing flange for sealing engagement therewith. A temperature stabilized chamber is provided adjacent each sealing flange including means for recirculating and cooling fluid disposed therein so as to maintain the fluid between adjacent engaging members at a substantially constant temperature thereby maintaining a flatness of the sealing engagement between the sealing flange surfaces and the engaging members. The recirculating/cooling system includes a gland having first, second, third, and fourth fluid passages defined therein.

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