Method of pressure seal simultaneously employing air-balance of

Details Method of pressure seal simultaneously employing air-balance of Method of pressure seal simultaneously employing air-balance of

1976-02-27

1978-09-05

Smith, Robert I.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

F16J 1540

Patent

active

041114345

ABSTRACT:
A pressure seal apparatus employing air balance of a high pressure steamer in which sealing gas is pressure introduced into an air seal chamber shut off from outer air by a roll seal mechanism installed at the fiber feed in and take out openings of a high pressure steamer vessel body, so that the gas and steam which leaks from within the vessel body into the air seal chamber are bumped or mixed with each other for forming air balance within the vessel body. In the pressure seal apparatus a plurality of small gas chambers are provided in the air seal chamber within the above mentioned vessel body, wherein an exhaust tube for mixed gas of the pressure sealing gas and steam leaking out of the vessel body is connected at least to a small gas chamber at which gas and steam are mixed together, and further a pressure introduction (supply) mechanism for supplying gas into the air seal chamber is provided near the roll seal mechanism.

REFERENCES:
patent: 3090134 (1963-05-01), Morrison
patent: 3174230 (1965-03-01), Green et al.

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