Hydraulic power transmission
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United States of America Patent
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Aug 22, 2017
Issued Date -
N/A
app pub date -
Apr 6, 2016
filing date -
May 21, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
A hydraulic power transmission includes a pump impeller, a turbine impeller, a cover member, a lock-up clutch, an output member, a plurality of primary springs, a plurality of secondary springs, an intermediate member, a first dynamic vibration absorber, and a second dynamic vibration absorber. The intermediate member holds the output member and connects the primary springs and the secondary springs. The first dynamic vibration absorber is attached to the intermediate member and has a first frequency. The first dynamic vibration absorber includes a first mass body and a first damper member. The second dynamic vibration absorber is attached to the intermediate member and has a second frequency different from the first frequency. The second dynamic vibration absorber includes a second mass body and a second damper member.
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