Heating circulating pump
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United States of America Patent
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Aug 14, 2018
Grant Date -
Feb 20, 2014
app pub date -
Feb 24, 2012
filing date -
Mar 12, 2011
priority date (Note) -
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Abstract
A heating circulating pump includes a pump housing (1) containing a pump impeller driven by an electric motor. The stator thereof is arranged in a motor housing (8) connected to the pump housing (1). A terminal box (12) is arranged on the motor housing (8), for electrically connecting the motor winding and for receiving electrical and/or electronic components of the motor control system. The terminal box (12) includes at least two parts that are bonded to each other, and the terminal box (12) is designed such that it is sealed from the motor and from the surrounding environment.
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