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:
Oct. 28, 2014
Filed:
Jul. 19, 2012
Juergen Kretschmer, Fuerth, DE;
Wolfgang Christgen, Seukendorf, DE;
Melanie Stark, Herzogenaurach, DE;
Juergen Kretschmer, Fuerth, DE;
Wolfgang Christgen, Seukendorf, DE;
Melanie Stark, Herzogenaurach, DE;
Schaeffler Technologies AG & Co. KG, Herzogenaurach, DE;
Abstract
In a valve drive for an internal combustion engine, with a rocker arm () being arranged in its cylinder head pivotal by the cams of a camshaft and supported with one end at the valve shaft of a charge-cycle valve, while comprising at its other end a ball scraper (), resting on the spherical end section () of a support element () embodied as a hydraulic valve clearance compensation element, a groove-shaped ventilation channel () is arranged according to the invention in the contact area between the ball scraper () of the rocker arm () and the spherical end section () of the support element () by which the oil reservoir () of the support element () is open towards the outside.