US Patent 8001865 Electromagnetic shifting device comprising a linear motor

Patent 8001865 was granted and assigned to ZF Friedrichshafen on August, 2011 by the United States Patent and Trademark Office.

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Patent

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Current Assignee

ZF Friedrichshafen

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

8001865

Date of Patent

August 23, 2011

Patent Application Number

12280087

Date Filed

February 14, 2007

Patent Primary Examiner

‌

Richard W Ridley

Patent abstract

An electromagnetic shifting device for a transmission (1) with an electronic control unit (22) and toothed gear wheels (6, 7), which are mounted to rotate on a transmission shaft (2) about an axis (3). To implement a gear stage, the toothed gear wheels can be connected in a rotationally fixed manner to the transmission shaft by moving a shifter pawl (4) axially along the axis. The shifter pawl is moved axially along the axis by a linear motor (12).

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