| 摘要 |
An automatic dispenser that is operated by pressure conveying a fluid from a reservoir. The system includes a reservoir having an inlet and an outlet. A pump is disposed in fluid communication with the reservoir. A first conduit is in fluid communication with the inlet to the reservoir and the pump. A second conduit is in fluid communication with the outlet of the reservoir. While the reservoir is being pressurized, a valve in the second conduit is closed. After the reservoir is pressurized, the valve is opened and the fluid in the reservoir is conveyed through the second conduit. The fluid is typically gravity fed from the second conduit to a fixture such as a urinal or toilet.
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