Leakage protective apparatus for storage containers or the like

Details Leakage protective apparatus for storage containers or the like Leakage protective apparatus for storage containers or the like

1976-09-28

1979-07-24

Cline, William R.

Fluid handling

Diverse fluid containing pressure systems

Main line flow displaces additive from shunt reservoir

137389, 137558, 137565, 417 9, 73 405R, G01M 328

Patent

active

041619579

ABSTRACT:
A leakage protective apparatus for the outlet line of a storage container for flowable material includes a conduit arrangement which connects a storage container and consumer and itself includes a pump for pumping the flowable material from the storage container to the consumer. The conduit arrangement also includes an intermediate container connected between the pump and storage container. A negative pressure source is connected to the intermediate container. The conduit also includes a shutoff valve. A detecting means is provided for detecting a predetermined minimum negative pressure in the conduit arrangement, a switching device being provided for closing the shutoff valve when the detecting means detects a pressure above the predetermined minimum negative pressure.

REFERENCES:
patent: 1308005 (1919-06-01), Fesler
patent: 2071703 (1937-02-01), Nelson et al.
patent: 3465767 (1969-09-01), Peres

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