Title:
ガスセンサ
Document Type and Number:
Japanese Patent JP4124135
Kind Code:
B2
Abstract:
A gas sensor equipped with a protective gas cover which defines therein a gas chamber to which a sensor element is exposed. The protective gas cover has gas inlet holes through which gas to be measured is admitted. The protective cover also has dimples formed adjacent the gas inlet holes, respectively, which are designed to avoid a direct hit of a flow of the gas on the sensor element and minimize the concentration of thermal stress around the gas inlet holes. In an alternative form, the gas inlet holes are formed in the dimples, respectively.
Inventors:
Kazuya Nakagawa
Application Number:
JP2004037222A
Publication Date:
July 23, 2008
Filing Date:
February 13, 2004
Export Citation:
Assignee:
株式会社デンソー
International Classes:
G01N27/409; G01N27/403; G01N27/407; G01N27/416; G01N37/00; F01N11/00; F02D41/14
Domestic Patent References:
| JP2003207479A | ||||
| JP2003043002A | ||||
| JP57100345A | ||||
| JP57105960U | ||||
| JP57112949U | ||||
| JP53046178U | ||||
| JP60059960U | ||||
| JP10253576A | ||||
| JP55039099A | ||||
| JP2000171430A |
Attorney, Agent or Firm:
Yoshiyasu Takahashi
Tamiwa Iwakura
Tamiwa Iwakura