发明名称 |
WATER HAMMER PREVENTION VALVE AND METHOD |
摘要 |
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. |
申请公布号 |
WO2011088078(A2) |
申请公布日期 |
2011.07.21 |
申请号 |
WO2011US20935 |
申请日期 |
2011.01.12 |
申请人 |
NICHOLS-IP PLLC;CHENEY, DALE S.;NICHOLS, STEVEN L. |
发明人 |
CHENEY, DALE S.;NICHOLS, STEVEN L. |
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