Venturi system for agricultural spreaders of solid particles
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United States of America Patent
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-
Mar 3, 1992
Issued Date -
N/A
app pub date -
Jan 15, 1991
filing date -
Feb 24, 1989
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An improved system for pneumatic spreader systems for distribution of particulate material upon agricultural fields, and wherein the spreader system employs a number of elongated hollow delivery or discharge booms. The improved feature of the present invention comprises a Venturi which is mounted within each of the booms, with the Venturi being positioned immediately adjacent and upstream from the point at which particulate materials are being fed into the boom. The Venturi includes a throat portion which extends along and across a chordal line of the hollow delivery boom, and in addition includes a blade means which is in generally opposed relationship to the Venturi throat. The blade is angularly positioned within the boom, and in converging relationship with the distal tip of the boom and is arranged to define a substantially rectangular opening between the tip of the blade means and the top surface of the Venturi throat.
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