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US 4,294,682 AGranted
Data acquisition systems
AssigneeAlcan Research and Development Limited
InventorAndrew E. Deczky
Life of this patent
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Abstract
A data acquisition system for a hot metal handling operation uses optical transmission of data from a plurality of hot-metal stations to a control computer. Preferably the computer transmits control instructions to operators via the optical link. In an aluminium pot-line arrangement the mobile transceiver may be mounted on the service crane.
Claims14
A system for a hot metal handling operation comprising:
- a plurality of operating stations each including an electrolytic aluminum reducing pot;
- a mobile crane for servicing said pots at each operating station by adding raw materials and removing molten metal;
- a data acquisition system comprising:
- means associated with the crane for providing identification information of a particular pot and pot row being serviced;
- means associated with the crane for measuring process variables at each operating station;
- and means on the crane for optically transmitting said identification information and said information concerning the measurements over a cableless path from said crane to a receiver and computer located remotely of said operating stations.
3 more elements
Dependencies are inferred from the claim text.