Title:
TIRE CONDITION DETECTION DEVICE
Document Type and Number:
Japanese Patent JP2015157577
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a tire condition detection device which prevents malfunction while reducing the manufacturing costs and unfailingly detects an inner pressure of a tire.SOLUTION: A tire condition detection device 100 includes: an electronic component 200 including a detection part 210 which detects a tire pressure; and a case 300 which stores the electronic component 200. The case 300 includes: a case body 310 which stores the electronic component 200 and is formed with an opening surface 310A; and a lid body 320 which covers the opening surface 310A. The detection part 210 includes: a pressure sensor part having a diaphragm type element; a sensor control part which controls the pressure sensor part; and a dome-like shield cover 215 which covers the pressure sensor part and the sensor control part. An inner part of the case body 310, in which the opening surface 310A is covered by the lid body 320, is filled with a sealant 370. The diaphragm type element is made of a ceramic.
Inventors:
YAMAGUCHI SHIGERU
Application Number:
JP2014033678A
Publication Date:
September 03, 2015
Filing Date:
February 25, 2014
Export Citation:
Assignee:
BRIDGESTONE CORP
International Classes:
B60C23/04; B60C19/00; B60C23/02; G01L17/00
Domestic Patent References:
| JP2009288003A | 2009-12-10 | |||
| JP2011042261A | 2011-03-03 | |||
| JP2001174357A | 2001-06-29 | |||
| JP2001181052A | 2001-07-03 | |||
| JP2012105062A | 2012-05-31 | |||
| JP2015093608A | 2015-05-18 |
Foreign References:
| US5557256A | 1996-09-17 |
Attorney, Agent or Firm:
Hidekazu Miyoshi
Iwa Saki Kokuni
Shunichi Takahashi
Masakazu Ito
Toshio Takamatsu
Iwa Saki Kokuni
Shunichi Takahashi
Masakazu Ito
Toshio Takamatsu