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Title:
TIRE INFORMATION ACQUISITION APPARATUS, TIRE STATE MONITORING SYSTEM, AND METHOD OF COLLECTING PUNCTURE REPAIRING FLUID
Document Type and Number:
WIPO Patent Application WO/2013/031220
Kind Code:
A1
Abstract:
An acquisition apparatus disposed in a tire hollow area for acquiring tire information regarding a tire state includes: a sensor that detects the state of gas in the tire hollow area as the tire information; a valve; and a casing with an internal space for storing the sensor in a compartmentalized state with respect to the tire hollow area, a vent hole for providing communication between the internal space and the tire hollow area, and a communication hole connected to a hollow area side opening portion of the valve at an end closer to the tire hollow area and providing communication between the hollow area side opening portion and the tire hollow area. The diameter of the communication hole and the inner diameter of the valve have a minimum value of not less than 2.5 mm, and the vent hole is disposed at a position outside a range of less than 140° of the angle of view from a central position corresponding to the position of the opening of the communication hole with respect to a central direction aligned with the direction of extension of the communication hole from the opening of the communication hole at the end closer to the tire hollow area.

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Inventors:
KANENARI DAISUKE (JP)
Application Number:
PCT/JP2012/005460
Publication Date:
March 07, 2013
Filing Date:
August 29, 2012
Export Citation:
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Assignee:
YOKOHAMA RUBBER CO LTD (JP)
KANENARI DAISUKE (JP)
International Classes:
B29C73/02; B60C23/04; B60C23/00; B60C23/02; B60C29/02
Domestic Patent References:
WO2011086764A12011-07-21
Foreign References:
FR2884610A12006-10-20
JP2011005986A2011-01-13
JP2011111087A2011-06-09
JP2002144830A2002-05-22
JP2007331210A2007-12-27
JP2008001222A2008-01-10
JP2008001222A2008-01-10
Other References:
See also references of EP 2752313A4
Attorney, Agent or Firm:
GLOBAL IP TOKYO (JP)
Global IP Tokyo patent business corporation (JP)
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Claims:



 
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