Drive device comprising a gear unit and a motor unit

Details Drive device comprising a gear unit and a motor unit Drive device comprising a gear unit and a motor unit

2003-12-18

2008-12-23

Fenstermacher, David M (Department: 3682)

Machine element or mechanism

Gearing

Directly cooperating gears

C310S016000, C310S052000, C310S227000

Reexamination Certificate

active

07467568

ABSTRACT:
A drive device has a gear unit having a gear shaft and a motor unit having a motor shaft drivingly connected to the gear shaft. At least one cooling unit is arranged within the drive device for dissipating thermal losses. The cooling unit can be arranged in the gear unit or between the gear unit and the motor unit. For example, the cooling unit has at least one fan that can be arranged in a coupling unit between the gear unit and the motor unit. Instead of or in addition to the fan, a cooling liquid flowing through a flow chamber can be used.

REFERENCES:
patent: 5315193 (1994-05-01), Kummer et al.
patent: 6543549 (2003-04-01), Riedl et al.
patent: 6909207 (2005-06-01), Ikeda et al.
patent: 2003/0107273 (2003-06-01), Ikeda et al.
patent: 2003/0117030 (2003-06-01), Agnes et al.
patent: 2003/0188520 (2003-10-01), Boulva
patent: 2006/0250044 (2006-11-01), Yokota et al.

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