System for preventing spillage from containers during filling th

Details System for preventing spillage from containers during filling th System for preventing spillage from containers during filling th

1998-02-06

1999-07-27

Jacyna, J. Casimer

Fluent material handling, with receiver or receiver coacting mea

Automatic control of flow cutoff or diversion

Level or overflow responsive

141 1, 141 94, 141 95, 141192, 141208, 141210, 141216, 141220, 141351, 141231, 141382, 141389, 141346, B67D 506

Patent

active

059273500

ABSTRACT:
A system for preventing spillage from containers during the filling thereof includes an electrical circuit extending between one or more filling ports of the container and being connected with one or more liquid level sensitive switches within the container. A liquid dispensing apparatus for dispensing liquid into the container is coupled to the circuit so as to be enabled to dispense liquid into the container when the circuit is closed and to be disabled from dispensing liquid into the container when the circuit is opened. The circuit includes electrically isolated leads at each of the one or more filling ports that can be connected with each other so as to complete the circuit at that port when either the filling port is properly capped or the liquid dispensing apparatus is properly coupled to the port. The one or more liquid level sensitive switches complete the circuit as long as the level of the liquid within the tank is below a prescribed limit level and open the circuit when the level of the liquid within the container is at or above the prescribed level. The liquid level sensitive switches are preferably installed at vent openings of the container, and embodiments of the liquid level sensitive switches also function as shut-off valves to prevent liquid from escaping from the container through the vent openings when the tank is tipped over.

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