Fluid handling – Back flow prevention by vacuum breaking – Air vent in liquid flow line
Patent
1985-01-24
1986-05-20
Michalsky, Gerald A.
Fluid handling
Back flow prevention by vacuum breaking
Air vent in liquid flow line
4443, 137874, 137876, F16K 2402
Patent
active
045894388
ABSTRACT:
This invention relates to a diverter valve with integral atmospheric type vacuum breaker.
REFERENCES:
patent: 2014639 (1935-09-01), Stumm
patent: 2584436 (1952-02-01), Donaldson
patent: 2590386 (1952-03-01), Dobrick
patent: 2906293 (1959-09-01), Fraser et al.
patent: 2927598 (1960-03-01), Thompson
patent: 3180352 (1965-04-01), Kersten et al.
patent: 3918477 (1975-11-01), Grams
patent: 4326671 (1982-04-01), Goguen
Hughes Ivor M.
Michalsky Gerald A.
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