Title:
PRESSURE SENSOR AND PRODUCTION METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2019/150749
Kind Code:
A1
Abstract:
A metal base material 11 has a holding section 11a and a first flange 11b. A sensor tip 12 having a sensor element arranged therein is provided in the holding section. An insulating adjustment member 14 is provided in the holding section around the sensor tip and has the circumference thereof arranged between the circumference of the holding section and the circumference of the first flange. A metal housing 15 has an opening 15a and a second flange 15b. The inner surface of the opening 15a is in contact with the circumference of the adjustment member and the second flange is joined to the first flange. As a result, the base material and the housing can be reliably joined. A diaphragm 16 is provided in the housing and covers the opening 15a. A fluid 18 is filled inside the housing.
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Inventors:
KOOTAKA MAKOTO (JP)
Application Number:
PCT/JP2018/044435
Publication Date:
August 08, 2019
Filing Date:
December 03, 2018
Export Citation:
Assignee:
NIDEC COPAL ELECTRONICS CORP (JP)
International Classes:
G01L19/14
Foreign References:
| JP2014510293A | 2014-04-24 | |||
| JP2004163321A | 2004-06-10 | |||
| US6536286B1 | 2003-03-25 | |||
| JPH09257621A | 1997-10-03 | |||
| JPS60104743U | 1985-07-17 | |||
| JPH10122997A | 1998-05-15 | |||
| JP3370593B2 | 2003-01-27 |
Other References:
See also references of EP 3748326A4
Attorney, Agent or Firm:
S & S INTERNATIONAL PPC (JP)
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