Patent ID: 8881658
Filing Date: 2014-11-11
Classification: B61C

Abstract:
1. A drive unit for rail vehicles, the drive unit comprising: a shaft including a bearing pin on each end for carrying a drive wheel; a supporting tube enclosing the shaft and journaled thereon; an engine mounted on a supporting tube, wherein the engine rests on a single bracket, the single bracket fastened to the supporting tube; a transmission including a spur wheel and a drive pinion; a housing enclosing a spur gear and the drive pinion, the housing including a single main part, a lid, and an engine bell, the engine bell forming a fixed connection between an engine housing and the main part of the housing, wherein the supporting tube is molded to the single main part of the housing to form a rigid unit; and a rotor of the engine, wherein the rotor is only journaled on a single bearing, and wherein the rotor is supported at a transmission side on a membrane coupling, the membrane coupling carried by a fully journaled drive pillion.