Leakage protective apparatus for storage containers or the like
AssigneeIronflex AG
InventorErnst H. Schoellkopf
Life of this patent
Estimating the term…
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.
Claims13
A leakage protective apparatus for the outlet line of a storage container for flowable material, comprising
- a storage container,
- a consumer,
- a conduit arrangement connecting the storage container and consumer,
- the conduit arrangement including a pump for pumping the flowable material from the storage container to the consumer,
- the conduit arrangement further including an intermediate container connected between the pump and storage container,
- a negative pressure source connected to the intermediate container,
- the conduit arrangement further including a shutoff valve,
- means for detecting a predetermined minimum negative pressure in the conduit arrangement,
- and a switching device for closing the valve when the detecting means detects a pressure above the predetermined minimum negative pressure.
Dependencies are inferred from the claim text.