High efficiency snowthrower
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Feb 6, 1990
Grant Date -
N/A
app pub date -
Oct 14, 1988
filing date -
Oct 14, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A snow removal apparatus operable in a substantially optimum efficiency state using a variable ratio pulley. The snow removal apparatus includes a feature for sensing power demand made on the snowthrower under variable snow conditions. Responsive to the power demand, the fan speed and/or auger speed is reduced or increased in order to use the full engine power without stalling the engine.
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Cited Art Landscape
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