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:
Nov. 26, 2019
Filed:
Dec. 06, 2017
Zf Friedrichshafen Ag, Friedrichshafen, DE;
Markus Baur, Langenargen, DE;
Peter Tiesler, Meckenbeuren, DE;
ZF FRIEDRICHSHAFEN AG, Friedrichshafen, DE;
Abstract
A shift element () for an automatic transmission having a hydraulically actuable piston; at least one hydraulic duct (); an axially movable first shift element half () operatively connected to the piston; a second shift element half (); a bearing carrier (); a ring-shaped component (); and a Hall sensor () in the bearing carrier (). The first shift element half () has a notch-like encoder contour () for the Hall sensor (). The ring-shaped component () is composed of a non-magnetic material transparent to the Hall sensor (). The ring-shaped component () is designed and arranged on the outer diameter of the first shift element half (), such that an air gap between the notch-like encoder contour () and the Hall sensor () is filled by the ring-shaped component (), and hydraulic oil flows in the remaining region along the circumference of the first shift element half ().