Marine current power generation device
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United States of America Patent
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Sep 13, 2016
Grant Date -
Apr 23, 2015
app pub date -
Oct 22, 2013
filing date -
Oct 22, 2013
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
In one embodiment, a marine current power generation device has rotary blades, rotating shaft, power generator, guide bearings, thrust collars and thrust bearings. The guide bearing has a second slide surface being slidable relative to the first slide surface of the rotating shaft. The thrust bearing has a fourth slide surface being slidable relative to the third slide surface of the rotary plate of the thrust collar. The materials of the first and third slide surfaces include ferrous materials, stainless materials, Ti, Ti alloy, Co, or Co alloy. The materials of the second and fourth slide surfaces include a resin material filled with a first fibrous member and a second fibrous member. The second fibrous member is smaller than the first fibrous member.
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