Invention Grant
- Patent Title: Rotating brushes for electric motors
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Application No.: US18854247Application Date: 2023-04-19
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Publication No.: US12266987B1Publication Date: 2025-04-01
- Inventor: Larry A. Burchfield
- Applicant: Larry A. Burchfield
- Applicant Address: US WA West Richland
- Assignee: Larry A. Burchfield
- Current Assignee: Larry A. Burchfield
- Current Assignee Address: US WA West Richland
- Agency: NOLTE LACKENBACH SIEGEL
- Agent Andrew F. Young, ESQ.
- International Application: PCT/US2023/065936 WO 20230419
- International Announcement: WO2023/205679 WO 20231026
- Main IPC: H02K13/10
- IPC: H02K13/10 ; H01R39/04 ; H02K1/18 ; H02K7/08 ; H02K7/10 ; H02K13/00

Abstract:
A rotating brush assembly for an electric motor, including a commutator and a plurality of brushes, each of the brushes rotatingly mounted on an axle disposed between arms coupled to respective first and second brush holders, wherein the brush holders are urged toward said commutator with a spring, and wherein the brushes rotate in a direction opposite the direction in which the commutator rotates.
Public/Granted literature
- US20250112529A1 ROTATING BRUSHES FOR ELECTRIC MOTORS Public/Granted day:2025-04-03
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