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Electric machine with rotor cooling and corresponding cooling method

  • US 20070024130A1
  • Filed: 07/23/2004
  • Published: 02/01/2007
  • Est. Priority Date: 08/01/2003
  • Status: Active Grant
First Claim
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1. A rotor device, with a laminated core arrangement (8), which has a plurality of axial bores (3, 3

  • ) for the conduction of a coolant, and two rotor pressure rings (1, 101), between which the laminated core arrangement (8) is fixed axially, wherein at least one of the two rotor pressure rings (1, 101) is configured for the targeted routing of coolant through the axial bores (3, 3

    ), characterized in that a plurality of coolant routing walls (5) project obliquely outward on the at least one rotary pressure ring (1, 101), so that they conceal in each case one or more of the bores (3, 3

    ) in the axial direction.

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