PUMP HAVING AN INTEGRATED ELECTRONICALLY COMMUTATED DIRECT-CURRENT MOTOR

The pump has an electronically commutated direct current (DC) motor comprising a permanent-magnetic inner rotor arranged in a wet chamber. Length of claw poles (7, 7') in an axis-parallel direction is larger than radius of an inscribed circle of the claw poles. Bending radii of claw pole metal...

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Bibliographic Details
Main Authors PETERREINS, Thomas, BERNREUTHER, Georg
Format Patent
LanguageEnglish
French
German
Published 24.06.2020
Subjects
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
DYNAMO-ELECTRIC MACHINES
ELECTRICITY
GENERATION
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Summary:The pump has an electronically commutated direct current (DC) motor comprising a permanent-magnetic inner rotor arranged in a wet chamber. Length of claw poles (7, 7') in an axis-parallel direction is larger than radius of an inscribed circle of the claw poles. Bending radii of claw pole metal sheets (6, 6', 66, 66') in a transition region between rings (8, 88, 88') and the claw poles are equal, so that a gap is formed between the claw pole metal sheets in the transition region. The claw poles are welded with each other. An independent claim is also included for a method for producing a pump.
Bibliography:Application Number: EP20110831797