Planet wheel carrier for a planetary gear
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United States of America Patent
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May 24, 2016
Grant Date -
Aug 28, 2014
app pub date -
Feb 21, 2014
filing date -
Feb 22, 2013
priority date (Note) -
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Abstract
A planet wheel carrier comprises first and second end-sections for supporting shafts of planet wheels (113-114) of a planetary gear so that geometrical rotation axes of the planet wheels are pithed at substantially uniform intervals on a periphery of a circle. The planet wheel carrier comprises a support structure connected to outer rims of the first and second end-sections and located between the first and second end-sections in the axial direction and between the planet wheels in the circumferential direction. The support structure is so far from the geometrical rotational symmetry axis of a sun shaft (111) of the planetary gear and the geometrical rotation axes of the planet wheels are so near to the rotational symmetry axis of the sun shaft that the diameter (D) of the planet wheels is capable of being at least 90% of a distance (d) between the geometrical rotation axes of adjacent planet wheels.
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