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:
Feb. 08, 2011
Filed:
Oct. 15, 2009
Motokazu Kuroda, Chiyoda-ku, JP;
Motokazu Kuroda, Chiyoda-ku, JP;
Mitsubishi Electric Corporation, Tokyo, JP;
Abstract
Provided is a brushless alternator for preventing water from penetrating further inside through a gap between a distal end portion of a spool and a concave portion of a bracket. According to the brushless alternator of the present invention, a rotor includes: a rotor main body; and a coil body () fixed to a rear bracket (). The coil body () includes: a bobbin (); a field coil (); a yoke portion () of a second magnetic pole, the yoke portion () having one lateral surface being in close contact with a lateral surface of the bobbin () and another lateral surface being bonded to the rear bracket (); a spool () provided on an inner circumferential surface of the yoke portion () and an inner circumferential surface of the bobbin (); and a rubber bush () provided to a projecting portion () at a distal end of the spool (). The rubber bush () is fitted into a concave portion () formed at a portion of the rear bracket (), the portion being opposed to a distal end surface of the spool ().