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:
May. 25, 2021
Filed:
Mar. 13, 2019
Ngk Insulators, Ltd., Nagoya, JP;
Tomoya Seimori, Nagoya, JP;
NGK INSULATORS, LTD., Nagoya, JP;
Abstract
An apparatus for evaluating a response time of gas sensors includes: a pipe; a first gas supplier for supplying a first gas to the pipe; a second gas adding machine for adding a second gas to the first gas in the pipe; and gas sensors for detecting components in a mixed gas of the first gas and the second gas, each of the gas sensors being attached to the pipe on a downstream side of an addition position of the second gas in a flow direction of the first gas. The second gas adding machine includes: a supply source of the second gas; a connecting pipe for connecting the supply source to the pipe; and a connecting pipe on-off valve for opening and closing the connecting pipe.