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:
Sep. 19, 1978
Filed:
Dec. 29, 1975
Hiroyuki Nakajima, Ashiya, JP;
Takashi Hosokawa, Osaka, JP;
Konan Electric Co., Ltd., Nishinomiya, JP;
Abstract
A double acting electromagnetic valve is composed of a tubular main body internally having a valve chamber, a pair of magnetic cores each having a concentric polar arrangement thereby to provide an E-shaped axial section, secured respectively on both sides of the main body, the cores being made of a magnetic material exhibiting high residual magnetism, a magnetic member slidably received in the valve chamber, two coils each encased in an annular recess formed between the central pole leg and the circumferential pole leg of the magnetic core, fluid passages provided through the central pole legs of the magnetic cores, a valve seat formed at an end of each fluid passage exposed to the valve chamber, and valve means provided on the slidable magnetic member to abut against the valve seats.