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:
Mar. 10, 2026
Filed:
Jan. 28, 2025
Mazda Motor Corporation, Hiroshima, JP;
MAZDA MOTOR CORPORATION, Hiroshima, JP;
Abstract
An exhaust passage includes a first exhaust passage which is opened and closed by a first exhaust valve, a second exhaust passage through which exhaust gas is caused to flow independently from the first exhaust passage and which is opened and closed by a second exhaust valve, and a third exhaust passage in which the first exhaust passage and the second exhaust passage merge together, and exhaust catalysts include a main exhaust catalyst which is provided in the third exhaust passage and an auxiliary exhaust catalyst which is arranged in the first exhaust passage and has a smaller capacity than the main exhaust catalyst.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile