Centrifugal starter switch apparatus

Details Centrifugal starter switch apparatus Centrifugal starter switch apparatus

H - Electricity

01

H

310/44, 340/148.

H01H 35/10 (2006.01) G01P 3/16 (2006.01) H02K 11/00 (2006.01)

Patent

CA 1312112

CENTRIFUGAL STARTER SWITCH APPARATUS Abstract Of The Present Invention A centrifugal actuator for an induction motor mounted on a motor shaft for operating a switch in the start winding circuit. A U-shaped base member is secured to the shaft with an elongated base extended diametrically of the shaft and with side members extending parallel to the shaft. A pair of oppositely disposed U-shaped weights are pivoted in hinges on the side members creating linkage and aligned pivot arms projecting around the hub body portion. The arms pivot on each other within confining walls of the hub. The weights under centrifugal force move the hub and actuate the switch. Springs on the opposite sides of the hub are secured to one end to the side members and at the other end to the hinges and extending diametrically over the body of the hub, said springs extended with movement of the weights to move toward the pivot point of the arms. The springs reset the actuator at a specified speed when the motor is de- energized. The plastic hub is subject to wear in use. Stop members located on the weights and/or bracket prevent the pivot point of the arms from moving past the linkage over center line.

570905

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