US 6,982,873 B2
Compact vehicle drive module having improved thermal control
Andreas A. Meyer, Richmond Heights, Ohio (US); Lawrence D. Radosevich, Muskego, Wis. (US); Bruce C. Beihoff, Wauwatosa, Wis. (US); Dennis L. Kehl, Milwaukee, Wis. (US); and Daniel G. Kannenberg, Waukesha, Wis. (US)
Assigned to Rockwell Automation Technologies, Inc., Mayfield Heights, Ohio (US)
Filed on Dec. 16, 2002, as Appl. No. 10/252,466.
Claims priority of provisional application 60/349259, filed on Jan. 16, 2002.
Prior Publication US 2003/0133259 A1, Jul. 17, 2003
Int. Cl. H05K 7/20 (2006.01)
U.S. Cl. 361—699 51 Claims
OG exemplary drawing
 
1. An electric drive for a vehicle at least partially propelled by an electric motor, the drive comprising:
a vehicle drive train;
a power converter operatively coupled to the drive train and comprising:
a power electronics circuit configured to generate controlled output power; and
an electrical and thermal subassembly to which the power electronics circuit is directly mounted, the subassembly including a fluid diverting means to direct cooling fluid into contact with an interface on which the power electronic circuit is supported and a flow regulating element to provide regulation of temperature of the power electronics circuit in a closed-loop manner.