Dual clutch assembly for a motor vehicle powertrain
First Claim
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1. Apparatus for transmitting torque between a power source and a transmission, comprising;
- first and second coaxial input shafts;
a housing;
a first bearing rotatably supporting the first input shaft on the housing;
a flywheel;
a support shaft secured to the flywheel and located radially between the first and second input shafts;
a second bearing located radially between the second input shaft and the support shaft;
a first clutch for driveably connecting and disconnecting the flywheel and the first input shaft;
an output shaft driveably connected to the power source;
a flywheel support disc piloted on the output shaft at a first axial side of the flywheel, and secured to the flywheel; and
a flex plate secured at a radially inner attachment to the output shaft, extending radially from the output shaft, and secured to the flywheel support disc at a radially outer location, whereby the flywheel is driveably connected to the output shaft.
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Abstract
Apparatus for transmitting torque between a power source and a transmission, includes first and second coaxial input shafts, a housing, first bearing rotatably supporting the first input shaft on the housing, clutch assembly, flywheel, support shaft secured to the flywheel and located radially between the first and second input shafts, and second bearing located radially between the second input shaft and the support shaft. The clutch driveably connects and disconnects the flywheel and an input shaft.
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Citations
13 Claims
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1. Apparatus for transmitting torque between a power source and a transmission, comprising;
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first and second coaxial input shafts; a housing; a first bearing rotatably supporting the first input shaft on the housing; a flywheel; a support shaft secured to the flywheel and located radially between the first and second input shafts; a second bearing located radially between the second input shaft and the support shaft; a first clutch for driveably connecting and disconnecting the flywheel and the first input shaft; an output shaft driveably connected to the power source; a flywheel support disc piloted on the output shaft at a first axial side of the flywheel, and secured to the flywheel; and a flex plate secured at a radially inner attachment to the output shaft, extending radially from the output shaft, and secured to the flywheel support disc at a radially outer location, whereby the flywheel is driveably connected to the output shaft. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A powertrain, comprising:
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a first and second input shafts; a housing; a first bearing rotatably supporting the first input shaft on the housing; a flywheel; a support shaft secured to the flywheel and located radially between the first and second input shafts; a second bearing located radially between the second input shaft and the support shaft; a first clutch for driveably connecting and disconnecting the flywheel and the first input shaft; a second clutch for driveably connecting and disconnecting the flywheel and the second input shaft; and wherein the second bearing further comprises first and second needle bearings located radially between the second input shaft and the support shaft, the first needle bearing being located axially at an axial location of the first bearing, the second needle bearing being located axially between an axial location of the first bearing and an axial location of the flywheel. - View Dependent Claims (12, 13)
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Specification