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Transmitting device, tire condition monitoring system, and tire assembly

  • US 9,452,646 B2
  • Filed: 07/22/2013
  • Issued: 09/27/2016
  • Est. Priority Date: 07/24/2012
  • Status: Active Grant
First Claim
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1. A transmitting device provided in a tire cavity region, the transmitter device transmitting tire information regarding a tire condition, comprising:

  • a sensor having a plane sensor detecting face sensing as tire information a condition of air filling a tire cavity region enclosed by a tire and a rim;

    a transmitter wirelessly transmitting the detected tire information; and

    a housing within which the sensor and the transmitter are provided, including an internal space in contact with the sensor detecting face of the sensor, and a ventilation hole communicating with the internal space and the tire cavity region and extending in a linear manner,wherein an inside opening part of the ventilation hole facing the internal space is provided on a wall surface of the internal space, the wall surface being inclined with respect to the sensor detecting face, andan angle θ

    between a normal line direction of the wall surface and a normal line direction of the sensor detecting face is not less than 10 degrees and not more than 120 degrees.

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