Stone ejection for a feederhouse on an agriculture combine
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United States of America Patent
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-
Oct 9, 2001
Grant Date -
N/A
app pub date -
Mar 31, 2000
filing date -
Apr 12, 1999
priority date (Note) -
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status (Latency Note)
Importance
Abstract
The apparatus is an improvement to a feederhouse on an agricultural combine. The apparatus has a first acoustic array having a first sounding board and acoustic sensor positioned beneath the front drum and feederhouse floor. There is a second acoustic array positioned behind the front drum and between the conveyor chain encircling the front and rear drums. The second acoustic array also has a second acoustic sensor and second sounding plate. The acoustic sensor detects the impact of a stone on the sounding plates. A signal is transmitted via a controller from the sensor to a solenoid controlling a stone trap door latch. When the door opens, a sled also rotates into contact with conveyor chain. This deflects any crop flow containing stones. To close the door, the feederhouse is raise and the door rotates into contact with the latch.
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