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:
Aug. 30, 2022
Filed:
Jan. 22, 2020
Ngk Spark Plug Co., Ltd., Nagoya, JP;
Yusuke Matsukura, Nagoya, JP;
Shoji Kitanoya, Nagoya, JP;
Masaya Watanabe, Nagoya, JP;
Daisuke Ichikawa, Nagoya, JP;
NGK SPARK PLUG CO., LTD., Aichi, JP;
Abstract
A gas sensor () including a first gas detection element () and a second gas detection element (), a first storage portion () having a first internal space (A), and a first opening (B) establishing communication between the first internal space (A) and the outside space thereof exposed to a detection subject atmosphere, a second storage portion () having a second internal space (A) and a second opening (B) establishing communication between the second internal space (A) and the outside space, a first membrane (C) allowing permeation of water vapor and substantially not allowing permeation of a detection target gas, and covering the first opening (B), and a calculation unit () for calculating the concentration of a detection target gas contained in the detection subject atmosphere, based on outputs from the first and second gas detection elements (), respectively.