Conveyors: fluid current – With means to control conveying fluid or movement of load in... – Control of conveying fluid
Patent
1996-03-22
1996-12-17
Hoge, Gary C.
Conveyors: fluid current
With means to control conveying fluid or movement of load in...
Control of conveying fluid
406 22, 406112, B65G 5120
Patent
active
055846130
ABSTRACT:
A pneumatic transmission system having a carrier automatic braking system contains a transport conduit having a first end and a second end and being capable of permitting the transfer of a carrier therethrough, a first station for sending and receiving a carrier located on one end of the transmission conduit and a second station for sending and receiving a carrier located on the other end of the transmission conduit. A pair of motor blowers, each capable of moving a volume of air in opposing directions through a conduit, are enclosed within a supply branch which is connected to one of the stations. The first motor blower blows air to move the carrier from one station to the other. The second motor blower is activated, to operate concurrently with the first motor blower, when the carrier is detected some predetermined location along the transport conduit. The opposing motors create an air block between the first and second motor blowers which prohibits air from entering or exiting the conduit on the air block side of the carrier as the carrier moves along the transport conduit. The change in differential pressure across the carrier slows the carrier as it approaches its destination station.
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Foreman Michael J.
Greene Harold R.
ComCo Systems
Hoge Gary C.
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