Fluent material handling – with receiver or receiver coacting mea – Diverse fluid containing pressure filling systems involving... – Filling means controlled by gas condition in receiver
Patent
1987-12-21
1989-05-23
Hornsby, Harvey C.
Fluent material handling, with receiver or receiver coacting mea
Diverse fluid containing pressure filling systems involving...
Filling means controlled by gas condition in receiver
141 46, 141 90, 141 95, 141198, B65B 336
Patent
active
048320935
ABSTRACT:
An automatic container filling apparatus for continuously filling a moving line of containers with a fluent material is disclosed. The flow of material to any container is controlled by a single supply of air at a predetermined pressure above atmospheric pressure. The apparatus includes a product filling head having an outlet nozzle arranged to extend into the mouth of a container to be filled. An air supply provides regulated air at a predetermined high pressure. There is also provided a control for receiving and directing the high pressure air to the other components of the apparatus. A sensor tube is adapted to be positioned at a fixed point within the container to be filled. Air from the controller is directed through the sensor tube during the filling of the container. An actuator valve and an interface valve both communicate with the control to receive the high pressure air therefrom. The actuator valve in response to the high pressure air opens the product filling head to discharge product into the container. The interface valve also communicates with the sensor tube and in response to back pressure from the tube caused by product in the container reaching the tube's outlet, directs stored high pressure air to the control to close the control to flow of air, whereby the actuator valve will close the product filling head. There is also provided a sensor tube clearing valve for clearing residual product from the sensor tube prior to the filling operation, and a variable air flow restrictor for varying the flow of high pressure air to the sensor tube for selectively varying its sensitivity.
REFERENCES:
patent: 3522824 (1970-08-01), Allen et al.
patent: 3527267 (1970-09-01), Moore
Bogdon Paul
Hornsby Harvey C.
Machuga Joseph S.
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