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. 14, 2010
Filed:
Jan. 26, 2006
Michi Masuya, Yamanashi, JP;
Mitsuyuki Taniguchi, Gotenba, JP;
Yoshinobu Maeda, Yamanashi, JP;
Shinichi Kinoshita, Yamanashi, JP;
Michi Masuya, Yamanashi, JP;
Mitsuyuki Taniguchi, Gotenba, JP;
Yoshinobu Maeda, Yamanashi, JP;
Shinichi Kinoshita, Yamanashi, JP;
FANUC Ltd, Minamitsuru-gun, Yamanashi, JP;
Abstract
A fan having a function for detecting a fault such as a breakage or a loss of a rotating part of the fan as well as reduction in the rotational speed of the fan, the function being not affected by an operating condition of the fan. The fan includes a stationary part, a rotating part rotatably attached to the stationary part, a first electric circuit arranged on the rotating part, a second electric circuit arranged on the stationary part, the second electric circuit being electromagnetically connected to the first circuit, and a fault detecting circuit electrically connected to the second electric circuit, for detecting a fault of the rotating part.