US Patent 7554249 Electric motor

Patent 7554249 was granted and assigned to Bosch (company) on June, 2009 by the United States Patent and Trademark Office.

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Patent Inventor Names

Carsten Raudzis0

Frank Schatz0

Hans Braun0

Heinz Eisenschmid0

Klaus Heyers0

Ning Qu0

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Patent abstract

An electric motor, in particular a starter device for internal combustion engines in which a current-limiting electric resistor (57) with a negative temperature coefficient is connected at the beginning of the main current path (49) of an electromagnetically excitable rotor (53) of the electric motor (16). The electric resistor (57) contains at least one monocrystalline semiconductor.

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Official Website

https://pdfpiw.uspto.gov/.piw?Docid=07554249

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