COOLING DEVICE ADAPTABLE ON A TELEMANIPULATOR AND ITS USE FOR INTERVENTION IN A HOSTILE ENVIRONMENT AT HIGH TEMPERATURE.

摘要

P The manipulator comprises rigid sections (12, 14, 16) maintained at a temperature adapted to their operation by a device according to the invention. The latter comprises an enclosure (37, 38, 39) surrounding each rigid section (12, 14, 16), connected to a source of high-pressure heat-transfer gas. This enclosure comprises two chambers (92, 94), respectively at high and low pressure, connected together by means (102) for expansion of the gas. The rigid sections (12, 14, 16) of the remote manipulator are interconnected by joints surrounded by bellows (40, 42). Each bellows is fed with the heat transfer gas from the low pressure chamber (94) of an enclosure (37, 38, 39) adjacent to the bellows. The gas circulates in a closed circuit comprising the chambers (92, 94) and the bellows (40, 42) absorbing the calories propagating through the manipulator. BR/ Application to an intervention in a fast neutron reactor. / P