Pressure actuated static seal

Details Pressure actuated static seal Pressure actuated static seal

1997-09-05

1999-08-24

Reichard, Lynne A.

Seal for a joint or juncture

Seal between fixed parts or static contact against...

Contact seal for other than internal combustion engine, or...

277628, 4151741, F16J 1502

Patent

active

059415371

ABSTRACT:
A static seal includes first and second spaced apart walls having a gap therebetween for channeling a pressurized fluid. The first wall includes a recessed seat facing the second wall defined by spaced apart first and second faces joined together at a base. A seal insert is loosely disposed in the seat and is trapped therein by the first and second faces. The first and second faces are shorter than the insert to project a top of the insert above the seat and below the second wall for initially promoting flow of the fluid over the insert top to deploy the insert in abutting contact with both the second face and the second wall to seal the gap.

REFERENCES:
patent: Re19910 (1936-03-01), Parker
patent: 2614793 (1952-10-01), Storm
patent: 3381988 (1968-05-01), Dewar
patent: 3606358 (1971-09-01), Tobler
patent: 4848778 (1989-07-01), Von Pragenau
patent: 4897020 (1990-01-01), Tonks
patent: 5324165 (1994-06-01), Charbonnel et al.
patent: 5332357 (1994-07-01), Tubbs
GE, "CF6-80C2 HPT Rotor Seal," in production and public use more than one year prior to Sep. 5, 1997, single sheet.

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