Method of making and device for cooling rotor motor cores

Details Method of making and device for cooling rotor motor cores Method of making and device for cooling rotor motor cores

H - Electricity

02

K

H02K 15/02 (2006.01) H02K 9/02 (2006.01)

Patent

CA 2662255

A vent plate for a rotor of a motor core includes a hub, a plurality of spokes extending from the hub and a plurality of coffin portions each having a coffin bore extending therethrough and at least one of which is connected with a spoke. The coffin portions may each be radially spaced from, and circumferentially spaced about the hub and wherein each coffin portion comprises an outer radial end, and a connecting ring which extends about the periphery of the coffin portions. The connecting ring may engage each outer radial end. In another embodiment of the present invention, a method of making a rotor for an electric motor is also presented.

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