Vacuum breaker with water leak containment device

Details Vacuum breaker with water leak containment device Vacuum breaker with water leak containment device

2005-06-14

2005-06-14

Michalsky, Gerald A. (Department: 3753)

Fluid handling

Back flow prevention by vacuum breaking

Air vent in liquid flow line

Reexamination Certificate

active

06904931

ABSTRACT:
A vacuum breaker having a floating piston that is movable in response to the communication of negative pressure to an inlet port of the vacuum breaker for permitting venting of fluid to the outside atmosphere through a vent opening. The vacuum breaker includes a liquid capture and containment device, which in conjunction with an outer hood, is effective for capturing and containing liquid in a fluid flow stream discharging from the vent opening and redirecting the captured liquid back into the vacuum breaker in order to prevent water leakage.

REFERENCES:
patent: 2219259 (1940-10-01), Horn
patent: 2245653 (1941-06-01), Dierker
patent: 2284051 (1942-05-01), Gilbert
patent: 2927598 (1960-03-01), Thompson
patent: 3180352 (1965-04-01), Kersten
patent: 3918477 (1975-11-01), Grams
patent: 4013088 (1977-03-01), Gocke et al.
patent: 4508137 (1985-04-01), Bolgert
patent: 4592382 (1986-06-01), Rubin et al.
patent: 5125429 (1992-06-01), Ackroyd et al.
patent: 5881759 (1999-03-01), Andersson

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