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Transmission, especially for wind power installations

  • US 6,607,464 B1
  • Filed: 06/21/2002
  • Issued: 08/19/2003
  • Est. Priority Date: 12/23/1999
  • Status: Expired due to Term
First Claim
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1. A transmission, in particular for wind power installations, comprising:

  • a transmission case, an input shaft and an output shaft supported in the transmission case, an input-side planetary stage disposed between the input shaft and the output shaft and having at least two power-splitting planetary gears of equal dimensions and being connected in parallel, the planetary stage further comprising two sun shafts; and

    at least one passive differential gear stage implemented as a differential planetary gear and connected downstream of the planetary stage, said at least one differential gear stage including a sun wheel, a hollow wheel and a planet carrier, wherein one of the two sun shafts is operatively connected with the sun wheel of the differential gear stage and the other of the two sun shafts is operatively connected with the hollow wheel of the differential gear stage, and wherein the planet carrier of the differential gear stage forms an output section operatively connected to the output shaft.

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