Two-speed drive apparatus for blower fans
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United States of America Patent
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Jul 19, 1983
Grant Date -
N/A
app pub date -
Aug 4, 1981
filing date -
Aug 4, 1981
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The blower of a forage harvester is controlled by two-speed belt drives for operating the blower between a first and a second speed for improved power requirements and operating efficiency. The disadvantages of such belt drives is avoided by a selector apparatus which controls a single speed rotating input and provides a two-speed rotating output.
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