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:
Nov. 13, 2012
Filed:
Aug. 29, 2007
Yoshinobu Akamatsu, Iwata, JP;
Yoshinobu Akamatsu, Iwata, JP;
NTN Corporation, Osaka, JP;
Abstract
A sensor equipped axle unit having an in-wheel type motor built therein, in which a hub bearing assembly (A), an electric motor (B), a reduction gear unit (C) and a brake assembly (D) are arranged coaxially on a center axis of a vehicle drive wheel. Sensors (and) are provided for measuring forces Fx, Fy and Fz acting at a point of contact of the vehicle drive wheel () and a road surface in three axis directions perpendicular to each other, respectively, from the status of at least one of the hub bearing assembly (A), the electric motor (B), the reduction gear unit (C) and the brake assembly (D). Results of such measurement are utilized for a suspension control, an ABS control and any other control.