Gearbox test rig
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United States of America Patent
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Sep 30, 2014
Grant Date -
Oct 31, 2013
app pub date -
Apr 25, 2013
filing date -
Apr 25, 2012
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A gearbox test rig is provided for testing first and/or second gearboxes having power ratings of 1 MW or more. The gearbox test rig comprises a first coupler for coupling a low-speed shaft of a first gearbox to a low-speed shaft of a second gearbox such that forces can be transmitted between the low-speed shafts of the first and second gearboxes. The gearbox test rig further comprises a second coupler for coupling a high-speed shaft of the first gearbox to a high-speed shaft of the second gearbox such that forces can be transmitted between the high-speed shafts of the first and second gearboxes, wherein the second coupler comprises a hydraulic rotary actuator for regulating a torque which is applied to the high-speed shafts of the first and second gearboxes. Such a gearbox test rig is particularly useful for testing heavy duty gearboxes, such as those used in wind turbines.
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