Diversion valve fluid coupling

Fluid handling – Systems – Multi-way valve unit

Reexamination Certificate

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Details

C137S882000, C137S872000, C137S871000, C251S149600

Reexamination Certificate

active

10916003

ABSTRACT:
A diversion valve fluid coupling, permitting alternate flows in first and second operating positions, including a valve housing with inlet, first and second outlet ports; a quick disconnect coupling attached to the second outlet port and a seal interposed therebetween; a movable diverter valve assembly, having interconnected actuating and opposing valves; the actuating valve, in the first operating position, having a first sealing engagement with the seal; the opposing valve, in the second operating position, having a second sealing engagement with a first outlet port; a biasing member, biasing the diverter valve into the first sealing engagement, blocking the second outlet port while permitting flow to the first outlet port; and, for the second operating position, a nipple member, removably mating with the quick disconnect coupling and translating the diverter valve into the second sealing engagement, blocking the first outlet port while permitting flow into the second outlet port.

REFERENCES:
patent: 3441054 (1969-04-01), Mellan
patent: 3559670 (1971-02-01), Yedidiah
patent: 3658290 (1972-04-01), Peters et al.
patent: 4538646 (1985-09-01), Yang
patent: 5147333 (1992-09-01), Raines
patent: 5560548 (1996-10-01), Mueller et al.
patent: 5624073 (1997-04-01), Mueller et al.
patent: 6073300 (2000-06-01), Zahuranec et al.
patent: 6273397 (2001-08-01), Schultz et al.
patent: 6704946 (2004-03-01), Mueller et al.

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