An elevator machine comprises a motor, a sheave, and a bearing system supporting the sheave for rotation about an axis. The bearing system comprises: an inner sleeve; an inner race mounted to the inner sleeve; a housing; an outer race mounted to the housing; one or more circumferential arrays of rolling elements between the inner race and the outer race; and a shield. The shield comprises a hub secured to the sleeve and a radially outwardly open channel at least along a portion of the shield.
Elevator Machine with Oil-Lubricated Bearings
2016-11-24
Patent
Electronic Resource
English