Transmission testing device and transmission testing method
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United States of America Patent
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Jan 9, 2018
Issued Date -
N/A
app pub date -
Oct 31, 2013
filing date -
Dec 27, 2012
priority date (Note) -
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Abstract
A transmission testing device that performs tests to verify transmission functionality has: an output shaft directly or indirectly coupled to a differential gear section of the transmission; a rotary driving unit for rotating the output shaft; and a cylindrical meshing unit comprising a meshing portion to mesh with a side gear of the differential gear section, and a chuck portion in which a fluid circuit is formed. The meshing unit is fixed to a differential case of the differential gear section by way of expanding the chuck portion in the radial direction of the chuck portion by applying pressure to the fluid in the fluid circuit.
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