Patent ID: 8717745

Claim:
A cooling method for cooling medium-voltage, high-current electrical switchgear ( 10 ), having hot portions ( 10 A, 10 C) a hot portion ( 10 C) of which is hotter than another hot portion ( 10 A) and cooler portions ( 10 B), that are cooler than the hot portions ( 10 A, 10 C); the method being characterized in that it consists in inserting two heat pipes ( 11 ) serially inside the switchgear ( 10 ), putting a heat pipe ( 11 ) between this two hot portions ( 10 A, 10 C) in order to evacuate the heat from the hotter ( 10 C) towards the cooler ( 10 A) of the two hot portions, and putting a first end ( 11 A) of another heat pipe in the cooler portion ( 10 A) of these hot portions and a second end ( 11 B) of this other heat pipe ( 11 ) in a portion that is cooler ( 10 B) than said hot portions ( 10 A, 10 C).