The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 28, 2020
Filed:
Jun. 29, 2015
Denso Corporation, Kariya, Aichi-pref., JP;
Keisuke Mizutani, Kariya, JP;
Nobuyuki Tsuji, Kariya, JP;
DENSO CORPORATION, Kariya, JP;
Abstract
A gas sensor includes a sensor element having a measuring electrode and a reference electrode, a housing accommodating the sensor element, and an element cover including an inner cover having an inner side wall section and an inner bottom wall section, and an outer cover having an outer side wall section and an outer bottom wall section. Inner side surface holes and outer side surface holes are formed in the inner side wall section and the outer side wall section. Inner bottom surface holes and outer bottom surface holes are formed in the inner bottom wall section and the outer bottom wall section. The ratio of the total surface area of the outer side surface holes with respect to the total surface area of the inner bottom surface holes is 8 to 47. The total surface area of the inner side surface holes is 2 to 8 mm.