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:
Sep. 29, 2026
Filed:
May. 05, 2023
Illinois Tool Works Inc., Glenview, IL (US);
Yuexin Chen, Suzhou New District, CN;
Zhixue Liu, Suzhou New District, CN;
Illinois Tool Works Inc., Glenview, IL (US);
Abstract
The present application provides an oxygen detection system for a reflow furnace. The oxygen detection system includes a first gas receiving device, a second gas receiving device, an oxygen detection device, and a chamber switching device. The gas in each furnace chamber of the first group of furnace chambers is switchable into the first chamber of the first gas receiving device. The gas in each furnace chamber of the second group of furnace chambers is switchable into the second chamber of the second gas receiving device. The chamber switching device is switchably in fluid communication with one of the first chamber and the second chamber, while the gas suction device is in fluid communication with the other of the first chamber and the second chamber.