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Animal watering apparatus
专利权人:
发明人:
Ty Rager,Brian Kennemer,Mike Foster
申请号:
US14636469
公开号:
US09743642B2
申请日:
2015.03.03
申请国别(地区):
US
年份:
2017
代理人:
摘要:
An automatic animal watering apparatus includes a dish having an automatic watering valve disposed therein. When the valve is first closed, a water level in the dish is at a maximum level, and a hydraulic source pressure acts only across a smaller cross-sectional area of a valve seat which is closed by the valve, thus requiring only a first lower buoyancy force acting on a valve actuator float to maintain the valve closed. The water level can then drop from the maximum water level to a minimum water level before the hydraulic force action on the valve overcomes the first lower buoyancy force on the actuator float and reopens the valve. Then when the valve opens, the hydraulic source pressure acts against a larger cross-sectional area of the valve, thus requiring the buoyancy forces acting on the float to rise to a second higher buoyancy force to reclose the valve. The automatic watering device may be mounted on an external structure through the use of a mounting bracket, and removable mounting pins may connect the dish, the mounting bracket and a cover plate of the dish.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/
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