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:
Sep. 24, 2013
Filed:
Mar. 18, 2010
Kentarou Nishikawa, Iwata, JP;
Toru Takahashi, Iwata, JP;
Takayuki Norimatsu, Iwata, JP;
Kentaro Ikki, Iwata, JP;
Kentarou Nishikawa, Iwata, JP;
Toru Takahashi, Iwata, JP;
Takayuki Norimatsu, Iwata, JP;
Kentaro Ikki, Iwata, JP;
NTN Corporation, Osaka, JP;
Abstract
A sensor-equipped wheel support bearing assembly includes a sensor unit provided in an outer member, which serves as a stationary member. The sensor unit has a strain generator and a sensor for detecting a strain occurring in the generator. A principal load estimator estimates the load acting on the wheel, with the use of an average value of a signal from the sensor, and an amplitude processed load estimator estimates the load, using amplitude of a signal wave outputted from the sensor, resulting from passage of rolling elements. A drift amount estimator estimates a drift amount of an estimated load output utilizing the average value and the amplitude, which is used to correct the estimated load.