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. 22, 2008
Filed:
Jun. 27, 2006
Masatoshi Mizutani, Iwata, JP;
Eiji Tajima, Iwata, JP;
Hisashi Ohtsuki, Iwata, JP;
Takayuki Norimatsu, Iwata, JP;
Koichi Okada, Iwata, JP;
Toru Takahashi, Iwata, JP;
Hiroaki Ohba, Iwata, JP;
Katsuyuki Ikei, Iwata, JP;
Masatoshi Mizutani, Iwata, JP;
Eiji Tajima, Iwata, JP;
Hisashi Ohtsuki, Iwata, JP;
Takayuki Norimatsu, Iwata, JP;
Koichi Okada, Iwata, JP;
Toru Takahashi, Iwata, JP;
Hiroaki Ohba, Iwata, JP;
Katsuyuki Ikei, Iwata, JP;
NTN Corporation, Osaka, JP;
Abstract
A rolling bearing assembly equipped with an electric power generator, having: inner and outer members rotatable relative to each other through rolling elements; an electric power generator including a multi-pole magnet assembly mounted on one of the inner and outer members and having a plurality of alternating magnetic poles arranged in a circumferential direction, and a magnetic ring assembly mounted on the remaining one of the inner and outer members and accommodating a coil and confronting the multi-pole magnet assembly; the magnetic ring assembly including a stepped portion of a generally U-shaped section having a peripheral surface portion and an end face portion, said stepped portion being defined on an outer periphery or an inner periphery of one end of the magnetic ring assembly, the magnetic ring assembly being mounted on the remaining one of the inner and outer members with the peripheral surface portion of the stepped portion press-fitted directly onto a peripheral surface of the remaining one of the inner and outer members within a bearing space.