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:
Jul. 11, 2006
Filed:
Oct. 22, 2004
Takuya Uryu, Tokyo, JP;
Yuta Ichinose, Tokyo, JP;
Yoshihiko Onishi, Tokyo, JP;
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Abstract
Provided is an electromagnetic valve improved in terms of the sealing property of a shut-off valve with respect to a valve seat. An electromagnetic valve according to the present invention includes: a housing () having an inflow hole () and a discharge hole (); a valve seat () secured in position inside the housing (); a shut-off valve () adapted to come into contact with one surface of the valve seat () to shut off a working fluid flowing into the housing () through the inflow hole (); a pressure regulating valve () provided coaxially with the axis of the shut-off valve () and adapted to control the amount of working fluid flowing to the exterior of the housing () through the discharge hole () by adjusting the dimension of a gap between itself and the other surface of the valve seat (); a sleeve () fixed to the housing () and adapted to guide the shut-off valve () in the direction of the axis; and a guide portion () adapted to guide the pressure regulating valve () in the direction of the axis, in which the valve seat () is integrated with the sleeve () and fixed to the guide portion ().