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Patent Searching and Data


Title:
WATER HAMMER PREVENTION VALVE AND METHOD
Document Type and Number:
WIPO Patent Application WO/2011/088078
Kind Code:
A3
Abstract:
A valve for preventing water hammer includes a speed reduction device for reducing a speed at which the valve may be closed. A method of preventing water hammer includes closing a valve at a fire hydrant after extracting water from the fire hydrant, in which the valve comprising a speed reduction device that increases an amount of time needed for closing the valve, and operating the valve to close the valve comprises operating the speed reduction device.

Inventors:
CHENEY, Dale S. (2679 W. 1700 S, Syracuse, Utah, 84075, US)
NICHOLS, Steven L. (740 E. 250 N, Heber, Utah, 84032, US)
Application Number:
US2011/020935
Publication Date:
July 21, 2011
Filing Date:
January 12, 2011
Export Citation:
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Assignee:
NICHOLS-IP PLLC (740 E. 250 N, Heber, Utah, 84032, US)
CHENEY, Dale S. (2679 W. 1700 S, Syracuse, Utah, 84075, US)
NICHOLS, Steven L. (740 E. 250 N, Heber, Utah, 84032, US)
International Classes:
F16K47/02; F16K3/32; F16K31/44
Foreign References:
JPS59131672U1984-09-04
JPH0396462A1991-04-22
JP2005321011A2005-11-17
US5941500A1999-08-24
Attorney, Agent or Firm:
NICHOLS, Steven L. (Nichols-IP, 740 E. 250 N.Heber, Utah, 84032, US)
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