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:
Oct. 08, 2013
Filed:
Dec. 16, 2010
Mitsuhiro Wada, Kobe, JP;
Mitsuhiro Wada, Kobe, JP;
Sumitomo Rubber Industries, Ltd., Kobe, JP;
Abstract
A method of detecting a tire having a decreased internal pressure by making a relative comparison among wheel speeds of tires attached to the respective wheels, includes detecting wheel rotation information regarding the respective tires of the vehicle; calculating wheel speeds based on the detected wheel rotation information; calculating DEL2 as a decreased pressure determination value by comparison between a front wheel speed and a rear wheel speed; and determining, when the resultant decreased pressure determination value exceeds a predetermined threshold value, that a tire has a decreased internal pressure. The method further includes a threshold value setting step of setting the predetermined threshold value based on (a) a relation obtained in advance, depending on a difference of the mass of the vehicle, between DEL2 and a load sensitivity during a vehicle turning, and (b) a load sensitivity obtained by a turning at the time of determination.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile