Utdc Inc.

Stephen P Lapp

Ronald F Van Huuksloot

A linear induction motor (LIM) secondary is provided. The LIM secondary includes a thermally and electrocally conductive non-ferromagnetic top cap having one side defining a substantially smooth, continuous planar surface to be spaced from a LIM primary. The other side of the top cap has a plurality of evenly spaced fins projecting therefrom. The fins project otrhogonally from the other side of the top cap and extend longitudinally along the length of the top cap, thereby defining a plurality of separated longitudinally extending channels. Bars of magnetizable back iron are disposed in the channels and extend substantially along the length thereof. Each of the bars is fastened to the top cap via a single centrally located fastening pin. The fins project beyond the exposed surface of the bars to define air channels and also to provide structural reinforcement for the LIM secondary to counter distortion of the top cap resulting from heat and/or electro-mechanical stress. Fasteners are also provided for securing the LIM secondary to a vehicle chassis.

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Odessa, Canada

Stephen P Lapp