Alsthom-atlantique

Bernard Legrand

Michel Masselin

A support housing for a semiconductor wafer which is centered therein between the anode block and the cathode block. It includes two polygonal insulating plates which bear against each of the blocks fitted with notches at 120.degree. to one another in which insulating pins are snap-fitted. In the case of a thyristor, a flexible wire is connected to a contact piece with a spherical end in contact with the trigger of the thyristor by means of a spiral spring. Application to the railway field.

Snap fit support housing for a semiconductor power wafer

A device for protecting the connectors of an electronic power assembly disposed in an enclosure which contains a fluorinated hydrocarbon. The connectors are isolated by connecting them to a sealed terminal box through a chamber between the enclosure cover and the terminal box sealed by means of a seal. Applications: Electric equipment in the railway and highway field.

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Villiers St Frederic, France

Bernard Legrand