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Hybrid powertrain system

  • US 7,272,987 B2
  • Filed: 09/26/2005
  • Issued: 09/25/2007
  • Est. Priority Date: 12/30/2003
  • Status: Expired due to Fees
First Claim
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1. A transmission and clutch arrangement for a dual prime mover powertrain system, comprising:

  • a change-gear transmission having a first input shaft, an output member and a second input shaft;

    a twin clutch that includes a first main clutch configured to selectively transfer power between a first prime mover and the first input shaft and a second main clutch configured to selectively transfer power between the first prime mover and the second input shaft;

    an output clutch operably positioned between the first input shaft and the output member, wherein at least one of the first and second input shafts is configured for connection to a second prime mover, wherein the first input shaft and the output member are generally co-axial; and

    an input shaft clutch positioned between the first input shaft and the second input shaft to selectively fix rotation of the first and second input shafts.

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