Hitachi Rail Limited

Hitachi Rail Sts S.p.a.

Ciro Maiello

Mario Porzio

Simone Sinatti

An electric motor assembly for railway drive. The motor assembly comprises: The draining device is provided with a silencer device for the cooling air flow. The silencer device comprise at least one straight channel to reduce the turbulent flow into a substantially laminar flow of the out-flowing ventilation and cooling air. Furthermore, the draining device comprises a scroll, which consists of two separate arched channels in order to avoid the formation of stationary vortices. The two arched channels communicate with one another, from the fluidic point of view, only in a common outlet area for the ventilation and cooling air.

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Caserta, Italy

Ciro Maiello