Automatic air inlet and outlet valve assembly having upper chamb

Details Automatic air inlet and outlet valve assembly having upper chamb Automatic air inlet and outlet valve assembly having upper chamb

1979-06-04

1980-12-16

Cline, William R.

Fluid handling

Systems

System with plural openings, one a gas vent or access opening

137350, 251144, F16K 2400

Patent

active

042390605

ABSTRACT:
In accordance with the present invention an air inlet and outlet valve is disclosed which automatically opens and closes when a bottom operable tank lading valve is opened and closed. The air valve is mounted adjacent the top of the tank and is in fluid communication by means of a conduit with an opening in the tank. The air valve is automatically opened and closed when the lading valve opens and closes by means of an air valve linkage including an operating shaft which extends from the lading valve up through the tank to operate the air valve.

REFERENCES:
patent: 737941 (1903-09-01), Leithauser
patent: 1877418 (1932-09-01), Greer
patent: 1894655 (1933-01-01), Auchincloss
patent: 2721577 (1955-10-01), Esselman
patent: 3115894 (1963-12-01), Marx

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