Electric motor and brush holder spring

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8981616
APP PUB NO 20110169383A1
SERIAL NO

13063635

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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An electric motor (1) comprises a casing (2), a stator housed in the casing (2), a sealing cover (10), a rotor (6) rotatable inside the casing (2) and equipped with a commutator (7), a circuit (8) for powering the commutator (7) comprising two brushes (15) in sliding contact with the commutator (7); the motor (1) comprises two brush holder sleeves (14) in which the brushes (15) slide and two springs (17) operating between the brush holder sleeves (14) and the respective brushes (15) in such a way as to push the latter towards the commutator (7); both the sleeves (14) and the springs (17) form part of the circuit (8) for powering the brushes (15).

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First Claim

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Patent Owner(s)

Patent OwnerAddress
SPAL AUTOMOTIVE S R LITALY CONCORES COKE CORREGGIO REGGIO EMILIA

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
De, Filippis Pietro Varazze, IT 68 684

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