Mold commutator and commutator motor using the same
AssigneePanasonic Corporation
InventorsNoriteru Maeda, Hirofumi Mizukami, Akihiko Yamazaki, Seiji Kurozumi, Yoshikazu Yamagata
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Abstract
The mold commutator of the present invention comprises a plurality of commutator segments made of copper or copper alloy and circumferentially arranged, a plurality of spark absorbing elements, disposed between adjacent commutator segments, with paired parallel surfaces respectively having electrodes thereon, and a resin mold portion which integrates these portions into one piece. The spark absorbing element is electrically connected to the commutator segment via the electrode, and spark voltage generated at the commutator segment is absorbed by current flowing between the electrodes.
Claims13
A mold commutator comprising a plurality of commutator segments made of copper or copper alloy and circumferentially arranged, a plurality of spark absorbing elements with paired parallel surfaces respectively having electrodes thereon, and a resin mold portion, with the spark absorbing element disposed between the respectively adjacent commutator segments, which integrates the plurality of commutator segments and the plurality of spark absorbing elements into one piece, wherein the spark absorbing element is electrically connected to the commutator segment via the electrode, and spark voltage generated at the commutator segment is absorbed by current flowing between the electrodes.
Dependencies are inferred from the claim text.