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.

Date of Patent:
Jul. 24, 2007

Filed:

Mar. 29, 2005
Applicants:

Takeshi Ohi, Nagano, JP;

Takaaki Komaba, Nagano, JP;

Hiroaki Tokoi, Nagano, JP;

Inventors:

Takeshi Ohi, Nagano, JP;

Takaaki Komaba, Nagano, JP;

Hiroaki Tokoi, Nagano, JP;

Assignee:

Nissin Kogyo Co., Ltd., Nagano-ken, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K 31/02 (2006.01);
U.S. Cl.
CPC ...
Abstract

A normally-closed electromagnetic valve has a body member having a receiving space, a fixed core, a valve seat, a moving core, a resilient member urging the moving core toward the valve seat, a valve element and a coil exciting the fixed core to produce an attracting force between the fixed core and the moving core, wherein the moving core has a through hole, the valve element is inserted into the through hole from the valve seat-side, at least a part of the resilient member is inserted into the through hole from the fixed core-side and the resilient member is compressed between a moving core-side end of the fixed core and a fixed core-side end of the valve seat.


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