Sealed pump
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United States of America Patent
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Jan 9, 2018
Grant Date -
Dec 10, 2015
app pub date -
Jan 10, 2014
filing date -
Jan 10, 2013
priority date (Note) -
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Abstract
A subsea pump, distinctive in that it comprises a pressure housing divided into two compartments; a compartment with pump or impellers arranged on a shaft and a compartment with motor or a stator; a diaphragm arranged sealingly between the compartments, a magnetic coupling between the compartments, through the diaphragm; and a pressure compensation system for balancing the pressure on the diaphragm of the motor or stator compartment side to the pressure on the diaphragm of the pump or impeller compartment side.
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