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. 08, 2011
Filed:
Dec. 18, 2008
Rafael Weisz, Waiblingen, DE;
Rafael Weisz, Waiblingen, DE;
Mahle International GmbH, , DE;
Abstract
The present invention relates to a charging device (), in particular an exhaust-gas turbo charger for a motor vehicle, comprising a shaft () which is supported in a housing (), and which carries a turbine wheel () on the turbine side, and a compressor wheel () on the compressor side, wherein the shaft () is supported by means of at least one bearing device () in the housing (), wherein a lubricant supply channel () is provided through which the bearing device () is supplied with lubricant, wherein in the lubricant supply channel (), a filter device () with at least one filter element () is arranged. For this, it is essential for the invention that the filter element () is pretensioned by means of a spring device () against a seal seat (), wherein the spring device () and the filter element () is formed in a manner that at exceeding of a predefined lubricant threshold pressure, the filter element () disengages from the seal seat (), and releases a bypass () which bypasses the filter element ().