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. 05, 2026
Filed:
Jul. 05, 2024
Yokogawa Electric Corporation, Musashino, JP;
Shinya Mito, Musashino, JP;
Yokogawa Electric Corporation, Tokyo, JP;
Abstract
A detection apparatus () for detecting a backfire in a combustion chamber () that burns fuel supplied from a plurality of supply ports includes a light source () that outputs incident light to an optical fiber () laid around the plurality of supply ports, a converter () that receives returned light from the optical fiber () and converts the received returned light into an electric signal, a calculator () that analyzes the returned light converted into an electric signal and calculates a temperature at a predetermined position of the optical fiber (), and a detector () configured to detect a backfire in the combustion chamber () based on the calculated temperature.