Fluent material handling – with receiver or receiver coacting mea – Filling or refilling of dispensers
Patent
1984-01-30
1985-10-08
Bell, Jr., Houston S.
Fluent material handling, with receiver or receiver coacting mea
Filling or refilling of dispensers
141 67, 141 98, 406 3, 406 30, B65B 104
Patent
active
045454108
ABSTRACT:
A system for transferring dry flowable material includes a substantially closed vessel having an inlet and a discharge end. A cycle valve and venturi are arranged between a source of fluid pressure and the vessel such that the cycle valve may be selectively actuated to pass pressurized fluid directly to the vessel or through the venturi. A suction line interconnects the vessel to the throat section of the venturi such that passage of fluid flow through the venturi establishes a suction within the vessel. A pressure responsive control switch has direct communication with the throat of the venturi so as to detect the fluid pressure therein and is operative in response to a predetermined pressure within the venturi to condition the cycle valve for effecting a suction within the vessel sufficient to substantially fill the vessel with material, after which material is sucked into the venturi to cause a change in fluid pressure therein such that the pressure responsive control switch causes the cycle valve to pressurize the vessel and effect discharge of material therefrom. The cycle valve and pressure responsive control switch effect automatic cyclical fill and discharge of the vessel.
REFERENCES:
patent: 2880036 (1959-03-01), Larsson et al.
patent: 3115278 (1963-12-01), Mylting
patent: 3372958 (1968-03-01), Black
patent: 3378310 (1968-04-01), Christensen
patent: 3861830 (1975-01-01), Johnson
patent: 4168864 (1979-09-01), Weeks
Addams, Jr. Charles F.
Paul Kermit D.
Wuertele Frederick S.
Bell, Jr. Houston S.
Cyclonaire Corporation
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