Title:
TRANSMISSION DEVICE FOR TRANSMITTING TIRE INFORMATION AND TIRE INFORMATION MONITORING SYSTEM
Document Type and Number:
WIPO Patent Application WO/2012/001897
Kind Code:
A1
Abstract:
A tire information monitoring system includes a transmission device, a receiving device, and a monitoring section. The transmission device includes a sensor which detects tire information, a transmitter which wirelessly transmits the detected tire information and a housing. The housing includes a wall surrounding the sensor and the transmitter, an inner space divided from the tire cavity area by the wall, and an air vent passing through the housing and connecting the inner space and the tire cavity area. An outer opening portion of the air vent formed on a surface of the housing facing the tire cavity area has an opening area of 0.4 mm2 or smaller. An inner opening portion of the air vent formed on a surface of the housing facing the inner space has an opening area larger than that of the outer opening portion.
Inventors:
KANENARI, Daisuke (Hiratsuka Factory, 2-1, Oiwake, Hiratsuka-sh, Kanagawa 01, 25486, JP)
ARAKI, Yasuhiko (Hiratsuka Factory, 2-1, Oiwake, Hiratsuka-sh, Kanagawa 01, 25486, JP)
ARAKI, Yasuhiko (Hiratsuka Factory, 2-1, Oiwake, Hiratsuka-sh, Kanagawa 01, 25486, JP)
Application Number:
JP2011/003422
Publication Date:
January 05, 2012
Filing Date:
June 16, 2011
Export Citation:
Assignee:
THE YOKOHAMA RUBBER CO., LTD. (36-11, Shimbashi 5-chome Minato-k, Tokyo 85, 10586, JP)
KANENARI, Daisuke (Hiratsuka Factory, 2-1, Oiwake, Hiratsuka-sh, Kanagawa 01, 25486, JP)
ARAKI, Yasuhiko (Hiratsuka Factory, 2-1, Oiwake, Hiratsuka-sh, Kanagawa 01, 25486, JP)
KANENARI, Daisuke (Hiratsuka Factory, 2-1, Oiwake, Hiratsuka-sh, Kanagawa 01, 25486, JP)
ARAKI, Yasuhiko (Hiratsuka Factory, 2-1, Oiwake, Hiratsuka-sh, Kanagawa 01, 25486, JP)
International Classes:
B60C23/00; B60C23/04
Attorney, Agent or Firm:
GLOBAL IP TOKYO (CARMEL II, 8-3-30 Nishi-Shinjuku, Shinjuku-k, Tokyo 23, 16000, JP)
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Claims:
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