Conveyors: fluid current – Intake to fluid current conveyor – Load receptacle type
Patent
1981-04-03
1983-05-10
Love, John J.
Conveyors: fluid current
Intake to fluid current conveyor
Load receptacle type
406128, 222547, 222485, 251299, B61D 700
Patent
active
043827250
ABSTRACT:
A pneumatic outlet is provided including a rotatable control valve having a body portion and a moment portion extending therefrom. The moment portion and the body portion each include edge portions which in closed position engage adjacent valve seats. The moment portion is provided with a pattern of openings for metering flow of lading into the discharge tube and is arranged to reduce or eliminate pellets from becoming trapped in the valve opening. Preferably the pattern includes alternate tapered projections and recesses. The tapered projections are arranged to guide pellets away from the valve opening. In addition, the projections preferably include sharp edges which will shear any pellets which are trapped in the recess, thus avoiding jamming the control valve. Preferably also the body portion edge includes a similar pattern.
REFERENCES:
patent: 3194420 (1965-07-01), Kemp et al.
patent: 3350141 (1967-10-01), McGrath
patent: 3482741 (1969-12-01), Fritz
patent: 3701460 (1972-10-01), Dugge et al.
patent: 3778114 (1973-12-01), Carney, Jr. et al.
ACF Industries Incorporated
Cummings Henry W.
Love John J.
Williams L. E.
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