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Twin spool turbine engine with power take-off means on the low-pressure and high-pressure rotors, and power take-off module for the turbine engine

  • US 7,552,591 B2
  • Filed: 02/09/2006
  • Issued: 06/30/2009
  • Est. Priority Date: 02/11/2005
  • Status: Active Grant
First Claim
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1. A twin spool turbine engine comprising:

  • a high-pressure rotor,a low-pressure rotor,at least one accessory gearbox,drive means for driving coaxial transmission shafts that transmit movement to the accessory gearbox, wherein the drive means comprises a high-pressure drive pinion secured to the high-pressure rotor near its upstream end, a low-pressure drive pinion secured to the low-pressure rotor upstream of the high-pressure rotor, anda power take-off module in direct mesh with the drive pinions, driving the transmission shafts, wherein said power take-off module comprises a cylindrical portion secured to said coaxial transmission shafts and a frustroconical portion extending internally from said cylindrical portion, said power take-off module further comprising a high pressure take-off pinion secured to said frustroconical portion and in direct mesh with said high-pressure drive pinion, and a low pressure take-off pinion secured to said frustroconical portion and in direct mesh with said low-pressure drive pinion.

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