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:
Jul. 01, 2003
Filed:
Jul. 31, 2001
Koichi Okada, Iwata, JP;
Hisashi Ohtsuki, Iwata, JP;
Koji Sahashi, Iwata, JP;
Kenichi Suzumura, Iwata, JP;
Kazuhiko Hozumi, Iwata, JP;
Akira Torii, Iwata, JP;
Takayuki Norimatsu, Iwata, JP;
Hiroaki Ohba, Iwata, JP;
NTN Corporation, Osaka, JP;
Abstract
To provide a wheel support bearing assembly having a capability of detecting the number of revolutions of a wheel, having no risk of breaking of wire outside a vehicle body, capable of reducing the weight and cost of an automotive vehicle. This wheel support bearing assembly for rotatably supporting a wheel relative to a vehicle body structure includes an outer member having its inner periphery formed with plural rows of raceways and , an inner member having raceways and confronting respectively to the raceways and , and rows of rolling elements accommodated respectively between the raceways. An electric generator for generating an electric power as one of the outer and inner members and rotates relative to the other of the outer and inner members and . A signal indicative of the number of revolutions of the wheel outputted from the electric generator is transmitted wireless by mean of a wireless transmitting means A.