Power transmission device and lock-up device for torque converter
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United States of America Patent
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Mar 13, 2018
Grant Date -
Dec 17, 2015
app pub date -
Apr 3, 2015
filing date -
Jun 16, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
The power transmission device transmits power from an engine to a transmission and includes an input-side rotary member, an output-side rotary member, a first elastic member, a float member and a damper device. The input-side rotary member receives the power inputted thereto from the engine. The output-side rotary member outputs the power to the transmission. The first elastic member couples the input-side rotary member and the output-side rotary member to enable relative rotation therebetween. The float member is rotatable relative to the input-side rotary member, the output-side rotary member and the first elastic member and is configured to slide against the first elastic member when rotated. The damper device is mounted to the float member and includes an inertia member that is rotatable relative to the float member.
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