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:
Jun. 27, 2017
Filed:
Mar. 19, 2009
Hirofumi Hase, Tokyo, JP;
Hirofumi Hase, Tokyo, JP;
MITSUBISHI ELECTRIC CORPORATION, Tokyo, JP;
Abstract
A solenoid valveincludes a spoolmoving within a valve housingin a direction of an axis thereof to adjust a fed or discarded amount of a working fluid flowing via portstoformed in the valve housingaccording to an amount of the movement, and including lands, andand recessed portions, andfor connecting the lands with one another, and a solenoid unitcontaining a moving member of a magnetic circuit for driving the spool. In edge portions' and′ of the landsandor in hole edge portions of the valve housing corresponding to the edge portions′ and′, notch portionsor taper grooves, or penetrating holesfor adjusting the amount of the working fluid which is close to a central current value are formed.