Abstract: A linear induction motor comprising an inductor formed of a laminated core structure with slots adapted to receive a polyphase winding. It also comprises a secondary element with respect to which the inductor moves. The secondary element includes an electrically conductive part arranged on a magnetically conductive base. Each lamination transversely of inductor movement has an inverted U-shaped configuration and a varying height and width so that a larger lamination encompasses a smaller lamination.

Abstract: A linear induction motor comprises an inductor made of one row of main U-shaped transversely laminated cores and not more than two rows of such additional cores which are enveloped by a main polyphase distributed winding and an additional polyphase distributed winding, respectively, and a secondary element interacting with the inductor. The secondary element is provided with an electrically conductive part placed upon a magnetically conductive base. Legs of the main and additional U-shaped cores alternate and adjoin one another forming two toothless active zones through which the secondary element interacts with the inductor.