Power Transmission System for Vehicle
First Claim
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1. A power transmission system for a vehicle, the power transmission system comprising:
- a first rotary shaft;
a second rotary shaft, the first rotary shaft and the second rotary shaft arranged around a common axis;
a fitting portion at which the first rotary shaft and the second rotary shaft are fitted and coupled to each other so as to transmit power; and
a tolerance ring arranged between the first rotary shaft and the second rotary shaft, whereinthe first rotary shaft has a first outer peripheral spigot joint surface, the first outer peripheral spigot joint surface is provided between the fitting portion and the tolerance ring in a direction of the axis,the second rotary shaft has an inner peripheral spigot joint surface, the inner peripheral spigot joint surface is provided on an opening side of the second rotary shaft with respect to the tolerance ring in the direction of the axis, anddimensions of the first outer peripheral spigot joint surface and dimensions of the inner peripheral spigot joint surface are set such that, the first outer peripheral spigot joint surface and the inner peripheral spigot joint surface do not rattle with respect to each other when the first outer peripheral spigot joint surface and the inner peripheral spigot joint surface are fitted to each other.
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Abstract
A tolerance ring is arranged between an output-side rotary shaft and a rotor shaft. For this reason, even when looseness in a spline fitting portion of the output-side rotary shaft and rotor shaft is not filled, both the output-side rotary shaft and the rotor shaft are held by the tolerance ring so as not to rattle. Therefore, it is possible to reduce tooth hammer noise that occurs in the spline fitting portion.
24 Citations
4 Claims
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1. A power transmission system for a vehicle, the power transmission system comprising:
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a first rotary shaft; a second rotary shaft, the first rotary shaft and the second rotary shaft arranged around a common axis; a fitting portion at which the first rotary shaft and the second rotary shaft are fitted and coupled to each other so as to transmit power; and a tolerance ring arranged between the first rotary shaft and the second rotary shaft, wherein the first rotary shaft has a first outer peripheral spigot joint surface, the first outer peripheral spigot joint surface is provided between the fitting portion and the tolerance ring in a direction of the axis, the second rotary shaft has an inner peripheral spigot joint surface, the inner peripheral spigot joint surface is provided on an opening side of the second rotary shaft with respect to the tolerance ring in the direction of the axis, and dimensions of the first outer peripheral spigot joint surface and dimensions of the inner peripheral spigot joint surface are set such that, the first outer peripheral spigot joint surface and the inner peripheral spigot joint surface do not rattle with respect to each other when the first outer peripheral spigot joint surface and the inner peripheral spigot joint surface are fitted to each other. - View Dependent Claims (2, 3, 4)
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Specification