US Patent 7121300 Device for measuring the lift of poppet valves

Patent 7121300 was granted and assigned to BAYERISCHE MOTOREN WERKE AKTIENGESELLSCHAFT on October, 2006 by the United States Patent and Trademark Office.

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Is a

Patent

Patent attributes

Current Assignee

BAYERISCHE MOTOREN WERKE AKTIENGESELLSCHAFT

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

71213000

Date of Patent

October 17, 2006

Patent Application Number

111231160

Date Filed

May 6, 2005

Patent Primary Examiner

‌

A. Michael Chambers

Patent abstract

A device for measuring the height of lift of poppet valves, in particular for poppet valves installed in internal combustion engines, with the help of inductive pickups, including a coil in a stationary mount and a metal sleeve which is in flush alignment in the valve shaft and is axially movable in the coil, and the sleeve is secured with axial play within the groove.