Valving means for reducing hose line pressure during disconnect

Details Valving means for reducing hose line pressure during disconnect Valving means for reducing hose line pressure during disconnect

2006-07-18

2006-07-18

Keasel, Eric (Department: 3753)

Fluid handling

Systems

With flow control means for branched passages

C251S090000, C251S114000, C251S339000

Reexamination Certificate

active

07077162

ABSTRACT:
The relief valve assembly (10) includes a tube (24) having a circular threaded portion (30) adjacent a first end (28) that rotatbly receives an interconnection means. The tube other end has male threads (34) for connection to a water-use point. A valving means actuator (46) has a tapered head (50) which can be manually operated to be located in blocking or unblocking relation within an opening (44) in the tube (26) for selectively emitting liquid to the ambient and reducing internal tube water pressure. A system lock (57) enables selective locking or unlocking of the relief valve assembly (10) as desired.

REFERENCES:
patent: 4078728 (1978-03-01), Nordeen
patent: 5289850 (1994-03-01), Sarson et al.
patent: 5364070 (1994-11-01), Crow
patent: 5487493 (1996-01-01), McNabb
patent: 5813574 (1998-09-01), McNabb
patent: 6269840 (2001-08-01), Beaver
patent: 6328069 (2001-12-01), Schumann et al.
patent: 6386235 (2002-05-01), McCulloh et al.
patent: 6957667 (2005-10-01), Huang

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