Patent ID: 8307802
Filing Date: 2012-11-13
Classification: F16F,Y10T

Abstract:
1. A mass balance unit having an integrated secondary unit for an internal combustion engine of a motor vehicle, comprising: a mass balance housing in which at least one mass balance shaft is rotatably journaled and a unit housing in which at least one drive shaft of the secondary unit is rotatably journaled, wherein the mass balance housing is made in one piece and has at least one bearing section which completely surrounds a bearing opening in which the mass balance shaft is rotatably journaled; wherein the unit housing is also made in one piece and integrally includes at least one base section, a wall section and a bearing section which completely surrounds a bearing opening in which the drive shaft is rotatably journaled; wherein the drive shaft is operably connected drivewise to the balance shaft; wherein the base section of the unit housing is releasably fastened to a lower side of the mass balance housing, the base section of the unit housing and the mass balance housing having flange surfaces for fastening the unit housing to the mass balance housing and which are arranged in a radial direction offset to an axis of rotation of the mass balance shaft; and wherein the wall section of the unit housing is arranged at an end face of the mass balance housing.