Centrifugal multiple-impeller electric pump
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United States of America Patent
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Jan 23, 2018
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N/A
app pub date -
Jul 19, 2013
filing date -
May 25, 2012
priority date (Note) -
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Abstract
A centrifugal multistage pump “VODOMET-WATER CANNON” contains electric motor, condensing case and pump stages, installed on the pump cases. The pump stages are located inside the case and are centered by the covers and, and also by the support. The bearing end shield of the electric motor is sealed with the elastic diaphragm. The condensing case is a leakproof cavity where the condenser and the cable connectors, of the electric motor are placed. The thermoswitch is located in the condensing box on the heat contactor. The pump stages include guide wheels and antifrictional washers. The washers interact with the axial supports—ceramic inlays that are inserted into the guide wheels. The inlays rest on the end clamps on the butt ends of the guide wheels. The guide wheels are sealed with radial inlays and together with pump stages create a hermetic tank.
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