Rod activated valve for saving water

Details Rod activated valve for saving water Rod activated valve for saving water

2011-07-12

2011-07-12

Bastianelli, John (Department: 3753)

Valves and valve actuation

Valve actuator extending through fluid inlet or outlet

C251S900000, C222S509000, C239S583000

Reexamination Certificate

active

07975985

ABSTRACT:
A rod activated water valve includes a valve base that mates with a standard water faucet. A valve housing attaches to the second end of the valve base, and has an inward protruding lip at a bottom end. The valve includes a water flow chamber with a solid cylindrical outer surface and a substantially flat foraminous surface at one end. An aperture is located central to the flat foraminous surface and a top edge of the water flow chamber has a lip for holding an upper plate o-ring. A rod having a rod head at one end passes through the aperture and is held in place by the rod head. A valve stem for selectively blocking the flow of water from the water faucet to the water flow chamber, activated by the rod head and providing a gradual stopping of the flow of water, thereby reducing water hammer.

REFERENCES:
patent: 4512551 (1985-04-01), Dalferth
patent: 4940206 (1990-07-01), Chung-Shan
patent: 5065700 (1991-11-01), Cross
patent: 5203376 (1993-04-01), Chung-Shan
patent: 5286000 (1994-02-01), Katz
patent: 5704397 (1998-01-01), Lu
patent: 6739572 (2004-05-01), Shen et al.
patent: 6942195 (2005-09-01), Kao
patent: 7143997 (2006-12-01), Kao

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