WHEEL FOR TIRE - CENTRAL MOTOR WHEEL CO., LTD.

Title:

WHEEL FOR TIRE

Document Type and Number:

WIPO Patent Application WO/2010/134270

Kind Code:

A1

Abstract:

A wheel in which air chambers are appropriately shaped to reduce the weight of the wheel with the quietness when the tire rolls under a load maintained. A wheel (1) is provided with an annular space (5) located inside radially of a bead seat (4a) of a rim (3) so as to extend along the bead seat (4a). The space (5) is divided into air chambers (7) by partition walls (6). Each air chamber (7) has a communication section (8) for connecting the air chamber (7) and a space (10) located outside radially of the rim (3), and the air chamber (7) and the communication hole (8) form a Helmholtz resonator. The annular space (5) is composed of portions (11) having a large cross-sectional area and of portions (12) having a small cross-sectional area. The partition walls (6) are provided to the portions (12) having a small cross-sectional area.

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Inventors:

KUROKAWA, Hisashi (Technical Center 3-1-1, Ogawahigashi-cho, Kodaira-sh, Tokyo 31, 〒1878531, JP)
黒川　尚史 (〒31 東京都小平市小川東町３－１－１　株式会社ブリヂストン　技術センター内 Tokyo, 〒1878531, JP)
ISHIDA, Masami (Technical Center 3-1-1, Ogawahigashi-cho, Kodaira-sh, Tokyo 31, 〒1878531, JP)

Application Number:

JP2010/003021

Publication Date:

November 25, 2010

Filing Date:

April 27, 2010

Export Citation:

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Assignee:

CENTRAL MOTOR WHEEL CO., LTD. (1-7 Maruta, Ozaki-cho Anjo-sh, Aichi 04, 〒4460004, JP)
中央精機株式会社 (〒04 愛知県安城市尾崎町丸田１番地７ Aichi, 〒4460004, JP)
KUROKAWA, Hisashi (Technical Center 3-1-1, Ogawahigashi-cho, Kodaira-sh, Tokyo 31, 〒1878531, JP)
黒川　尚史 (〒31 東京都小平市小川東町３－１－１　株式会社ブリヂストン　技術センター内 Tokyo, 〒1878531, JP)

International Classes:

B60B21/02; B60B21/12; B60C5/00

Attorney, Agent or Firm:

SUGIMURA, Kenji (36F Kasumigaseki Common Gate West, 3-2-1 Kasumigaseki, Chiyoda-k, Tokyo 13, 〒1000013, JP)

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Claims:

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