Patent ID: 7565943
Filing Date: 2009-07-28
Classification: B66F,F01P

Abstract:
1. A mobile machine, comprising: heat-emitting drive components of a traction drive and a hydraulic work system, wherein the traction drive comprises at least one electric traction motor and a traction motor control system, wherein the hydraulic work system comprises at least one electric pump motor and a pump motor control system, and wherein at least some of the drive components are located in a cooling circuit that is connected to the hydraulic work system and can be cooled by fluid from the hydraulic work system, wherein the cooling circuit includes a cooling device connected on an output side with the traction motor, the pump motor, the traction motor control, and the pump motor control system, and wherein the cooling device can be selectively connected on an input side, depending on fluid temperature in a reservoir of the hydraulic work system, to the reservoir or to a return line from the heat-emitting drive components.