Alstom

Alstom France S.a.

Bernard Raynaud

Olivier Grejon

Michel Nauche

Serge Paolozzi

A pressurized gas circuit-breaker pole includes a first enclosure or pole head having a first envelope with a first connecting flange including a circular orifice. The envelope contains a first mobile assembly terminating in a coupling member coaxial with the orifice. A second enclosure constituting an insulative column includes a second envelope having a second connecting flange with a circular orifice. The second envelope contains a second mobile assembly having a link for maneuvering the first mobile assembly and its end including complementary arrangements for coupling it with the coupling member. The connecting flange of each enclosure has an annular elastomer seal fixed to the corresponding connecting flange and through which the corresponding mobile assembly passes. The seal of each enclosure provides, during assembly of the flanges and coupling of the internal mobile assemblies, a sliding seal. The seal is broken on completion of assembly.

Pressurized gas circuit-breaker pole that can be assembled and disassembled without significant loss of gas

A closure resistor assembly for high voltage electrical gear. The assembly includes a multiplicity of resistive electrical components aligned in a row along an axis, and a mechanism which exerts a compression force on the electrical components along the axis so as to maintain electrical contact between them. The mechanism for exerting the compression force includes a rigid tube within which the electrical components are stacked, and an energy-storing floating structure placed inside the tube at one end of the row of electrical components. The floating structure is constituted by a first piece disposed between the end of the row of electrical components and a second piece that is mounted in a fixed manner inside the tube, together with a spring that is kept in compression between the first and second pieces. The first piece is also mounted so as to be semi-moving between two abutments that are spaced-apart along the axis D.

Growing community of inventors

Rillieux-La-Pape, France

Bernard Raynaud