Invention Grant
- Patent Title: Method for monitoring at least one bearing of a motor vehicle, in particular of a motorized vehicle, and motor vehicle
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Application No.: US17290854Application Date: 2019-12-19
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Publication No.: US12085476B2Publication Date: 2024-09-10
- Inventor: Bernhard Karl , Felix Winkelmeyr
- Applicant: AUDI AG
- Applicant Address: DE Ingolstadt
- Assignee: AUDI AG
- Current Assignee: AUDI AG
- Current Assignee Address: DE Ingolstadt
- Agency: Maier & Maier, PLLC
- Priority: DE 2019201216.7 2019.01.31
- International Application: PCT/EP2019/086388 2019.12.19
- International Announcement: WO2020/156745A 2020.08.06
- Date entered country: 2021-05-03
- Main IPC: G01M13/04
- IPC: G01M13/04 ; B60W50/14 ; G01M17/007

Abstract:
A method for monitoring at least one bearing of a motor vehicle which has the bearing and at least one electric machine, and can be operated by the electric machine supplying the electric machine with alternating electric current which is made available by power electronics, assigned to the electric machine, of the motor vehicle, as a result of which the electric machine is operated as an electric machine, by which the motor vehicle is operated, detecting the alternating current, made available by the power electronics, by at least one alternating current sensor; determining at least one torque which is made available by the electric machine in order to drive the motor vehicle, in accordance with the detected alternating current; and monitoring the bearing in accordance with the determined torque.
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