Air system monitor for a cotton harvester

Details Air system monitor for a cotton harvester Air system monitor for a cotton harvester

1986-05-05

1987-01-06

Swann, III, Glen R.

Communications: electrical

Condition responsive indicating system

Specific condition

340608, 340611, 56 102, 56 30, G08B 2100

Patent

active

046350470

ABSTRACT:
An element placed within a cotton conveying duct of a cotton harvester above the air discharge jet is shaped to shed cotton and supports a vacuum opening which communicates with a simple differential pressure switch through a vacuum conduit. The aspiration effect of normal air flow over the opening provides a vacuum in the conduit which maintains the switch open, but if air velocity in the duct drops below a preselected value due to a plug, low fan speed or faulty hose, the vacuum decreases and the switch closes to energize a warning device.

REFERENCES:
patent: 2698929 (1955-01-01), Greacen, III, et al.

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