Power transmission device for helicopter
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Mar 28, 2000
Grant Date -
N/A
app pub date -
Dec 9, 1996
filing date -
Jan 27, 1995
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The engines which have output shafts connected to traction speed change mechanisms via freewheel clutches are decelerated or accelerated at a desired speed change ratio and then rotate and drive a collector gear and a main rotor shaft. A part of output torque of the engines is diverted into gears to drive and rotate accessories and a tail rotor. Such an arrangement is useful for a power transmission for a helicopter in that it enables the speed of rotation of the main rotor to be varied while the speed of rotation of the engines is kept constant.
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