CASCADE PUMP DEVICE
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United States of America Patent
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N/A
Issued Date -
Jan 31, 2013
app pub date -
Jul 24, 2012
filing date -
Jul 25, 2011
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A cascade pump device may include a pump chamber, an impeller, a magnetic drive mechanism structured to rotate the impeller, and a pump case. The pump case is provided with two end faces located at both ends in an axial line direction and an intermediate part between the two end faces. The intermediate part is provided with a suction pipe and a discharge pipe and a wiring outlet part for taking out wiring lines for supplying an exciting current to a drive coil of a motor. The suction pipe and the discharge pipe are protruded in the same direction and the wiring outlet part is provided with a wiring line drawing-out guide part which determines a drawing-out direction of the wiring lines to the outer side. An angle between the drawing-out direction and a protruding direction of the suction pipe and the discharge pipe is less than 90° around the axial line.
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