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:
Nov. 11, 2014
Filed:
Sep. 11, 2012
Applicants:
Jiro Kondo, Kariya, JP;
Yoshiyuki Murao, Kariya, JP;
Koichiro Matsumoto, Kyoto, JP;
Inventors:
Assignee:
Denso Corporation, Kariya, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16K 31/02 (2006.01); F16K 31/06 (2006.01); H01F 7/08 (2006.01); H01F 7/13 (2006.01); F01L 1/344 (2006.01); F01L 1/34 (2006.01);
U.S. Cl.
CPC ...
F16K 31/0613 (2013.01); H01F 7/081 (2013.01); H01F 7/13 (2013.01); F01L 1/3442 (2013.01); F01L 1/34 (2013.01); F01L 2001/3443 (2013.01); F01L 2001/34426 (2013.01); F01L 2001/34433 (2013.01);
Abstract
A stator is provided with a ring-shaped outer stator-projection and a ring-shaped inner stator-projection. A plunger is provided with a ring-shaped outer plunger-projection and a ring-shaped inner plunger-projection. A magnetic force is generated at three portions between the plunger and the stator. The inner stator-projection has a first tapered surface and the outer plunger-projection has a second tapered surface. The first tapered surface and the second tapered surface confront each other when the plunger moves toward the stator.