Title:
METHOD AND DEVICE FOR EVALUATING PNEUMATIC TIRE
Document Type and Number:
WIPO Patent Application WO/2007/086556
Kind Code:
A1
Abstract:
A method and a device for evaluating a pneumatic tire in which the impact of deterioration of a tire due to temperature can be evaluated exactly by representing severity of temperature imposed to such a member as the rubber of the tire quantitatively and conveniently. Based on information about the temperature of a pneumatic tire detected by a temperature sensor at a temperature detecting section (101), a number of detection counting section (102) determines the number of detections for each detection temperature. Based on the number of detections and a contribution coefficient concerning deterioration of tire rubber employing the temperatures stored in a contribution coefficient storing section (103) as parameters, a severity calculating section (104) calculates the temperature severity number of the pneumatic tire by performing operation using an operation formula, and a judging section (105) judges temperature deterioration of the tire using the calculated temperature severity number.
Inventors:
TOZAWA, Yukio (Hiratsuka Plant, 2-1, Oiwak, Hiratsuka-shi Kanagawa 47, 2540047, JP)
兎沢幸雄 (〒47 神奈川県平塚市追分２番１号 横浜ゴム株式会社 平塚製造所内 Kanagawa, 2540047, JP)
SHIMURA, Kazuhiro (Hiratsuka Plant, 2-1, Oiwak, Hiratsuka-shi Kanagawa 47, 2540047, JP)
兎沢幸雄 (〒47 神奈川県平塚市追分２番１号 横浜ゴム株式会社 平塚製造所内 Kanagawa, 2540047, JP)
SHIMURA, Kazuhiro (Hiratsuka Plant, 2-1, Oiwak, Hiratsuka-shi Kanagawa 47, 2540047, JP)
Application Number:
JP2007/051376
Publication Date:
August 02, 2007
Filing Date:
January 29, 2007
Export Citation:
Assignee:
THE YOKOHAMA RUBBER CO., LTD. (36-11, Shimbashi 5-chome Minato-ku Tokyo, 85, 1058685, JP)
横浜ゴム株式会社 (〒85 東京都港区新橋５丁目３６番１１号 Tokyo, 1058685, JP)
TOZAWA, Yukio (Hiratsuka Plant, 2-1, Oiwak, Hiratsuka-shi Kanagawa 47, 2540047, JP)
兎沢幸雄 (〒47 神奈川県平塚市追分２番１号 横浜ゴム株式会社 平塚製造所内 Kanagawa, 2540047, JP)
横浜ゴム株式会社 (〒85 東京都港区新橋５丁目３６番１１号 Tokyo, 1058685, JP)
TOZAWA, Yukio (Hiratsuka Plant, 2-1, Oiwak, Hiratsuka-shi Kanagawa 47, 2540047, JP)
兎沢幸雄 (〒47 神奈川県平塚市追分２番１号 横浜ゴム株式会社 平塚製造所内 Kanagawa, 2540047, JP)
International Classes:
G01M17/02; B60C23/20
Attorney, Agent or Firm:
YOSHIDA, Kiyotaka (Meiwa Bldg, 15-10 Toranomon 1-chom, Minato-ku Tokyo 01, 1050001, JP)
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