H - Electricity – 01 – H
Patent
H - Electricity
01
H
H01H 69/00 (2006.01) H01H 11/00 (2006.01) H01H 33/56 (2006.01) H01H 73/04 (2006.01) H01H 33/02 (2006.01)
Patent
CA 2074543
In the course of the assembly of a circuit-breaker pole, the individual parts of a housing are stacked loosely one on top of the other and fixedly positioned. This fixing can be accomplished by applying subatmospheric pressure or a partial vacuum within the housing and/or by means of a holding device. Spaces open in the upward direction and located between a fitting and a support insulator as well as between a fitting and a quenching-chamber insulator are then filled with casting material. After this casting material has at least partially hardened, the circuit-breaker pole is turned upside down by rotating the holding device about a horizontal axis, whereupon spaces now open in the upward direction and located between a fitting and the quenching-chamber insulator as well as between a fitting and the support insulator are filled with casting material. This renders possible simple assembly, self-acting mutual alignment of contact pieces as well as a leak test prior to final assembly of the circuit-breaker pole. -2-
Alstom Ag
Gowling Lafleur Henderson Llp
LandOfFree
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