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Drive arrangement for a hybrid vehicle

  • US 5,755,302 A
  • Filed: 01/11/1996
  • Issued: 05/26/1998
  • Est. Priority Date: 07/09/1993
  • Status: Expired due to Fees
First Claim
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1. A drive apparatus for a hybrid electric/combustion powered vehicle having an internal combustion engine and a gear-shifting transmission unit, comprising:

  • a rotatable crank shaft having an end and being operatively connectable to the internal combustion engine for torque transmission;

    a rotatable transmission shaft being axially spaced from said end of said crank shaft and being operatively connectable to the gear-shifting transmission unit;

    a movable annular rotor disposed annularly about said transmission shaft, said rotor including magnetic means for generating a magnetic field and further including attaching means for attaching said rotor to said transmission shaft so that torque can be transmitted between said rotor and said transmission shaft;

    a stationary annular stator attachable to at least one of the internal combustion engine and the gear-shifting transmission unit and being disposed concentrically about and proximate said rotor in an electromagnetically interactive relation, said stator including electromagnetic means for electromagnetically interacting with the magnetic field of said rotor, said stator defining a continuous axial recess annularly therewithin; and

    one clutch disposed at least partially within the continuous axial recess of said stator, said clutch including coupling means for selectively and frictionally coupling said crank shaft to said transmission shaft for torque transmission therebetween so that said clutch is switchable between an engaged position in which torque can be transmitted between said crankshaft and said transmission shaft and a disengaged position in which torque transmission between said crankshaft and said transmission shaft can be discontinued.

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