Pneumatic conveyor systems

Details Pneumatic conveyor systems Pneumatic conveyor systems

1985-06-28

1988-03-22

Peters, Jr., Joseph F.

Conveyors: fluid current

With load braking or retarding means

Utilizing a fluid

406110, 406 19, B65G 5120

Patent

active

047325127

ABSTRACT:
A rotatable valve member having four ports is provided in a pneumatic conveyor system to permit the smooth docking of a carrier at a station. One port communicates through a branch duct with a main duct for the transport of carriers to the station. The remaining three ports communicate respectively with an exhauster, the docking station and atmosphere. The valve member provides communication between any two adjacent ports and during rotation controls the pressure balance on the carrier to ensure a smooth arrival at the docking station.

REFERENCES:
patent: 1059845 (1913-04-01), Delahunty
patent: 3603640 (1971-09-01), Leoff
patent: 3778006 (1973-12-01), Martin
patent: 3799622 (1974-03-01), Hek

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