Double O-ring sealing arrangement

Details Double O-ring sealing arrangement Double O-ring sealing arrangement

1988-04-13

1989-01-03

Cuchlinski, Jr., William A.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277171, 277177, B61F 1522, F16J 900

Patent

active

047951737

ABSTRACT:
A double O-ring sealing arrangement for a pressure responsive device wherein a storage-buffer chamber is provided between the double O-rings and is kept at a high pressure even when the actuating pressure for the pressure responsive device is dropped below atmosphere so as to provide for an as effective sealing of an actuating chamber of the pressure responsive device from the surrounding atmosphere.

REFERENCES:
patent: 2314683 (1943-03-01), Berry
patent: 2593193 (1952-04-01), Rockwell
patent: 2614793 (1952-10-01), Storm
patent: 2705177 (1955-03-01), Waring
patent: 3094043 (1963-06-01), Powers et al.
patent: 3184247 (1965-05-01), Leutwyler
patent: 3230977 (1966-01-01), Mercier
patent: 4544049 (1985-10-01), Shellhause
patent: 4564202 (1986-01-01), Momose
patent: 4577870 (1986-03-01), Scott et al.
patent: 4651782 (1987-03-01), Fulmer
patent: 4691520 (1987-09-01), Osborne
patent: 4693276 (1987-09-01), Fulmer

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