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:
Jan. 27, 2009
Filed:
Nov. 29, 2005
Eduard Golovatai-schmidt, Röttenbach, DE;
Eduard Golovatai-Schmidt, Röttenbach, DE;
Ina-Schaeffler KG, Herzogenaurach, DE;
Abstract
Directional control valve, in particular a hydraulic 3/2-way directional control valve, having an actuating unit () and a valve unit (), which is operatively connected to the actuating unit and in which a valve element (), displaceable by the actuating unit () and having a tappet (), controls ducts () of the valve unit () carrying hydraulic pressure medium, the actuating unit () having at least one coil (), a magnetic core (), which is arranged at least partially inside the coil (), is of cylindrical design and has an end-face limit (), and a moveable armature () interacting electromagnetically with the magnetic core () and comprising an end face (), the armature being operatively connected to the tappet (), the internal dimensions of the magnetic core () being larger than the external dimensions of the armature () and the magnetic core () and the armature () being arranged, formed and aligned in conjunction with the length of the tappet () so that the end face () of the armature () passes the end-face limit () of the magnetic core () along the displacement travel of the valve element ().
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile