Vehicle transmission apparatus
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Sep 24, 2002
Grant Date -
Aug 16, 2001
app pub date -
Jan 24, 2001
filing date -
Jan 25, 2000
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The ATV transmission includes an epicyclic arrangement, which serves as a drive-differential. One road wheel is geared to the planet-carrier or spider, and the other to the ring gear, while the engine drives the sun. An idler-gear between the ring and its road wheel means that the ring and the spider rotate in opposite senses, whereby a large gear ratio between the sun and the road wheels can be provided. Steering of the vehicle is provided, by driving the road wheels at different speeds. This is accomplished using a steer-differential, which is identical to the drive-differential; rotating the sun of the steer-differential imposes a corresponding differential speed on the road wheels.
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