Liftable brush holder system able to operate statically and corresponding rotary electric machine
AssigneeWeg Equipamentos EléTricos S.A.
InventorsCesar Luis Pinter, Nilson Sacht, Alini Emmanuele Gracinski
Life of this patent
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Abstract
The present invention refers to a liftable brush holder system (9) able to operate as fixed, comprising a motor (1) that drives a speed reducer (2) that drives a shaft (3) that moves a disc with eccentric slot (4), wherein the disk with eccentric slot (4) closes the short-circuit bushing (6) and independently moves the sides (9r, 9l) of the brush holder (9). The present invention further refers to a rotating electric machine equipped with a system according to the invention.
Claims17
A liftable brush holder system comprising a motor that drives a speed reducer, the speed reducer driving a shaft that moves a disc, wherein the disc is connected to a brush holder comprising sides, and wherein the disc independently moves the sides of the brush holder, each side of the brush holder having a plurality of brushes and a brush support, wherein the brushes abut a slip ring, wherein the disc is connected to a short-circuit bushing, and
- wherein the disc has an upper eccentric slot and a lower eccentric slot arranged on opposite sides of the disc and offset by an angle between 160° to 200°.
A rotating electric machine, comprising a liftable brush holder system, the liftable brush holder system comprising a motor that drives a speed reducer, the speed reducer driving a shaft that moves a disc, wherein the disc is connected to a brush holder comprising sides and, wherein the disc independently moves the sides of the brush holder, each side of brush holder having a plurality of brushes and a brush support, wherein the plurality of brushes abut a slip ring, and wherein the disc is connected to a short-circuit bushing (6),
- wherein the disc has an upper eccentric slot and a lower eccentric slot arranged on opposite sides of the disc and offset by an angle between 160° to 200°.
Dependencies are inferred from the claim text.