Axle sprung motor

Details Axle sprung motor Axle sprung motor

1997-02-21

1998-08-11

Le, Mark T.

Railway rolling stock

Motor placement

Axle mounting

B60K 100

Patent

active

057912564

ABSTRACT:
An axle sprung motor assembly for driving a locomotive includes a motor selectively driving a rotatable drive gear. A wheelset assembly includes a pair of flanged wheels mounted on an axle with an axle bearing housing rotatably supported on the axle. A set of resilient bushings is carried between the axle bearing housing and the motor housing. The motor assembly is resiliently secured to the wheelset through the interposed resilient bushings. A resilient gear has a hub fixed to the axle and includes a ring gear that engages the drive gear and is mounted to the hub through a set of flex bushings and a set of snubber bushings. Loads transferred from the motor to the wheelset are reduced by relative rotation between the ring gear and the hub that compresses elastomeric material of the flex bushings, with movement limited by the snubber bushings.

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