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:
Apr. 14, 2026
Filed:
Nov. 29, 2024
Mazda Motor Corporation, Hiroshima, JP;
Keitaro Kageyama, Aki-gun, JP;
Manabu Sasahara, Aki-gun, JP;
Tomokazu Kinoshita, Aki-gun, JP;
Shigeyoshi Okunishi, Aki-gun, JP;
Masahiro Miyazaki, Aki-gun, JP;
Toshiaki Shirasago, Aki-gun, JP;
MAZDA MOTOR CORPORATION, Hiroshima, JP;
Abstract
A lubrication control apparatus for an automatic transmission includes a first lubrication circuit that supplies lubricating oil to a starting frictional engagement element to be engaged when a vehicle starts, a second lubrication circuit that supplies the lubricating oil to a lubricated portion other than the starting frictional engagement element, and a controller that performs control to increase a flow rate in the first lubrication circuit while limiting a flow rate in the second lubrication circuit when a temperature of the starting frictional engagement element is equal to or higher than a threshold temperature, and the controller changes the threshold temperature in accordance with the temperature of the lubricating oil.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile