Fluid handling – Processes – Cleaning – repairing – or assembling
Patent
1995-06-05
1996-10-15
Michalsky, Gerald A.
Fluid handling
Processes
Cleaning, repairing, or assembling
137217, 137240, 1375195, 137526, 251 634, F16K 2406, F16K 1518
Patent
active
055644570
ABSTRACT:
A vacuum breaker valve configured for clean in place capability is provided which includes a body having an internal passageway including a chamber, a valve member shiftable within the chamber, and a motive member positioned adjacent an upper end of the chamber for selectively displacing the valve member. The valve member closes the upper end of the chamber under backpressure to inhibit undesired discharge of the fluid in the chamber, while the motive member, such as a selectively shiftable plunger, serves to periodically displace the valve member away from the valve seat at the upper end of the chamber whereby fluid, such as a cleaning solution, may pass through the valve body and internally clean the vacuum breaker valve without the need for disassembly.
REFERENCES:
patent: 933147 (1909-09-01), White
patent: 1490848 (1924-04-01), Pettit
patent: 2686528 (1954-08-01), Snyder
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patent: 4007710 (1977-02-01), Johnson
patent: 4339111 (1982-07-01), Welch
patent: 4457340 (1984-07-01), Krueger
patent: 4712574 (1987-12-01), Perrott
patent: 4838306 (1989-06-01), Horn et al.
patent: 4998554 (1991-03-01), Rogers
G & H Products Corp.
Michalsky Gerald A.
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