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. 04, 2025
Filed:
Sep. 28, 2022
Applicant:
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
Inventor:
Tomohiro Yokoyama, Toyota, JP;
Assignee:
TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B60T 17/22 (2006.01); F16D 66/00 (2006.01);
U.S. Cl.
CPC ...
B60T 17/22 (2013.01); B60T 2210/30 (2013.01); F16D 2066/001 (2013.01); F16D 2066/006 (2013.01);
Abstract
A brake state estimation device includes: a position acquisition section that acquires a position of a subject vehicle; and a state estimation section that estimates a state of deterioration of brake fluid for operating a hydraulic brake device of the subject vehicle, on the basis of humidity information corresponding to the position of the subject vehicle, and duration information expressing a duration of staying in an area that includes the position of the subject vehicle.