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. 13, 2012
Filed:
Jan. 07, 2009
Roland Marzy, Steyr, AT;
Andreas Hölzl, Wieselburg, AT;
Roland Marzy, Steyr, AT;
Andreas Hölzl, Wieselburg, AT;
MAGNA Powertrain AG & Co KG, Lannach, AT;
Abstract
A mass balance unit having a mass balance housing in which a mass balance shaft is rotatably journaled and a unit housing in which a drive shaft of a secondary unit is rotatably journaled. The mass balance housing is made in one piece and has a bearing section which completely surrounds a bearing opening in which the mass balance shaft is rotatably journaled. The unit housing is also made in one piece with a base section, a wall section and a bearing section. The bearing section of the unit housing completely surrounds a bearing opening in which the drive shaft is rotatably journaled. The drive shaft is operably connected to the balance shaft drivewise. The base section of the unit housing is releasably fastened to a lower side of the mass balance housing while its wall section is adjacent an end face of the mass balance housing.