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:
Jan. 25, 2011
Filed:
Dec. 15, 2005
Makoto Abe, Fujisawa, JP;
Yasushi Yamamoto, Fujisawa, JP;
Hiroyuki Kawanishi, Fujisawa, JP;
Tomohisa Sako, Fujisawa, JP;
Makoto Abe, Fujisawa, JP;
Yasushi Yamamoto, Fujisawa, JP;
Hiroyuki Kawanishi, Fujisawa, JP;
Tomohisa Sako, Fujisawa, JP;
Isuzu Motors Limited, Tokyo, JP;
Abstract
A proportional solenoidcomprising: an electromagnetic coil; a fixed yokeprovided immovably inside the electromagnetic coiland having a convex portionformed at an edge portion of an end surface of the fixed yoke; and a movable yokethat is disposed inside the electromagnetic coil, has a tip portion thereof inserted into the convex portionof the fixed yoke, and is provided movably relative to the fixed yoke, the proportional solenoidenabling the position adjustment of the movable yokeby controlling an electric current applied to the electromagnetic coil, wherein a protruding portionthat protrudes at the side of the fixed yokeis formed at an edge portion of the surface of the movable yokeon the side of the fixed yoke, and an inner surfaceof this protruding portionis tapered such that the inner surface is located further outside as the inner surface approaches the fixed yoke