Active and passive self-evacuation of a self-priming water pump
Number of patents in Portfolio can not be more than 2000
United States of America
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Jan 28, 2020
Grant Date -
Aug 17, 2017
app pub date -
Oct 15, 2015
filing date -
Oct 15, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
A water supply apparatus for the supply of water to a machine tool, including a water pump, a water accumulator device, a suction line, a supply line and a valve device reversibly adjustable into a first and a second position. The water pump is positioned downstream of the valve device. A first connecting line, a second connecting line and a return line are provided. Here, in the first position, the first connecting line, the second connecting line and the return line are connected to one another such that water can be conveyed from the water pump, from the first connecting line, from the second connecting line, from at least a part of the suction line and from at least a part of the supply line into the return line, and, in the second position, the first connecting line, the second connecting line and the return line are not connected to one another.
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