H - Electricity – 02 – B
Patent
H - Electricity
02
B
337/4
H02B 1/20 (2006.01)
Patent
CA 1108254
ABSTRACT An electric busbar installation comprises a sub- stantially rigid tube arranged with its axis substantially vertical at least one busbar comprising a rigid bare elongate conductor housed within and insulated from the rigid tube, at least one duct which is in thermal association with the elongate conductor throughout the length of the busbar and which forms part of a closed circulatory system for evaporable refrigerant, and interconnected in the circulatory system, condensing means for receiving evaporated refrigerant from, and for delivering liquid refrigerant to, the duct. Artificial cooling of the busbar is effected by extraction from the elongate conductor of the heat generated by the busbar when it is on load, which heat raises the temperature of the elongate conductor to such an extent as to evaporate liquid refrigerant being caused to flow along the duct to the condensing means where it is cooled and condensed to liquid form for re-circula- tion along the duct.
293913
Edwards Derek R.
Rogers Edward C.
Bicc Limited
Fetherstonhaugh & Co.
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