Title:
IN-WHEEL MOTOR
Document Type and Number:
WIPO Patent Application WO/2011/145726
Kind Code:
A1
Abstract:
An electric vehicle driving device (10) comprises a first motor (11), a second motor (12), a first planetary gear mechanism (20), a second planetary gear mechanism (30), a clutch device (40), and a wheel bearing (50). The first planetary gear mechanism (20) is a single pinion type planetary gear mechanism. The second planetary gear mechanism (30) is a double pinion type planetary gear mechanism. The first motor (11) is connected to a first sun gear (21) and a second sun gear (31). The second motor (12) is connected to a first ring gear (24). The clutch device (40) is connected to a first carrier (23). A second carrier (33) is connected to the first ring gear (24). A second ring gear (34) is connected to the wheel bearing (50).
Inventors:
GUNJI, Daisuke (1-5-50 Kugenumashinmei, Fujisawa-sh, Kanagawa 01, 〒2518501, JP)
郡司 大輔 (〒01 神奈川県藤沢市鵠沼神明１－５－５０ 日本精工株式会社内 Kanagawa, 〒2518501, JP)
MATSUDA, Yasuyuki (1-5-50 Kugenumashinmei, Fujisawa-sh, Kanagawa 01, 〒2518501, JP)
郡司 大輔 (〒01 神奈川県藤沢市鵠沼神明１－５－５０ 日本精工株式会社内 Kanagawa, 〒2518501, JP)
MATSUDA, Yasuyuki (1-5-50 Kugenumashinmei, Fujisawa-sh, Kanagawa 01, 〒2518501, JP)
Application Number:
JP2011/061660
Publication Date:
November 24, 2011
Filing Date:
May 20, 2011
Export Citation:
Assignee:
NSK Ltd. (6-3 Osaki 1-chome, Shinagawa-ku Tokyo, 60, 〒1418560, JP)
日本精工株式会社 (〒60 東京都品川区大崎１丁目６番３号 Tokyo, 〒1418560, JP)
GUNJI, Daisuke (1-5-50 Kugenumashinmei, Fujisawa-sh, Kanagawa 01, 〒2518501, JP)
郡司 大輔 (〒01 神奈川県藤沢市鵠沼神明１－５－５０ 日本精工株式会社内 Kanagawa, 〒2518501, JP)
日本精工株式会社 (〒60 東京都品川区大崎１丁目６番３号 Tokyo, 〒1418560, JP)
GUNJI, Daisuke (1-5-50 Kugenumashinmei, Fujisawa-sh, Kanagawa 01, 〒2518501, JP)
郡司 大輔 (〒01 神奈川県藤沢市鵠沼神明１－５－５０ 日本精工株式会社内 Kanagawa, 〒2518501, JP)
International Classes:
B60K7/00; B60K17/14; F16H3/66; H02K7/116
Attorney, Agent or Firm:
SAKAI, Hiroaki (Sakai International Patent Office, Kasumigaseki Building2-5, Kasumigaseki 3-chom, Chiyoda-ku Tokyo 20, 〒1006020, JP)
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Claims: