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. 22, 2009
Filed:
Dec. 21, 2005
Applicants:
Masashi Aikawa, Tochigi, JP;
Koji Iizuka, Sano, JP;
Masayuki Sayama, Tochigi-ken, JP;
Katsuyoshi Koike, Gyoda, JP;
Inventors:
Masashi Aikawa, Tochigi, JP;
Koji Iizuka, Sano, JP;
Masayuki Sayama, Tochigi-ken, JP;
Katsuyoshi Koike, Gyoda, JP;
Assignee:
GKN Driveline Torque Technology KK, Tochigi-Shi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16D 69/00 (2006.01); H01F 3/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A magnetic-path member includes first and second magnetic portions positioned on inner and outer peripheral sides of the magnetic-path member respectively. The magnetic-path member includes a non-magnetic portion interposed between the first and second magnetic portions and coupling the first and second magnetic portions by heat sintering. Magnetic lines of force occurring from an electromagnet pass through the magnetic-path member.