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Gear unit and a method for heating lubricant oil of a gear unit

  • US 10,309,518 B2
  • Filed: 05/20/2015
  • Issued: 06/04/2019
  • Est. Priority Date: 05/20/2014
  • Status: Active Grant
First Claim
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1. A gear unit comprising:

  • a first shaft and a second shaft for connecting to an external mechanical system,at least one gear stage between the first and second shafts,a lubricant oil room for storing lubricant oil,an oil channel for transporting the lubricant oil from the lubricant oil room to the at least one gear stage, andan immersion heater for heating the lubricant oil flowing in the lubricant oil room towards an inlet of the oil channel, the immersion heater being located in the lubricant oil room,wherein the gear unit further comprises a mechanical flow guide located in the lubricant oil room and configured to modify flow of the lubricant oil flowing towards the inlet of the oil channel so as to increase flow velocity of the lubricant oil on a surface of the immersion heater.

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