In-Wheel Bearing Sensor Integration for Compact Drive Assemblies
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional in-wheel driving devices have a complex configuration and increased volume due to separate mounting of wheel sensors and resolver sensors, which complicates assemblability.
Innovation Solution
Integration of the resolver sensor and wheel sensor within the wheel bearing, with the resolver rotor fixed to the inner wheel or hub, and the wheel sensor detecting the rotation of the resolver rotor, reducing the overall volume and simplifying the device's configuration.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If wheel sensor and resolver sensor are mounted separately as separate modules, then each sensor can be independently installed and maintained, but the overall volume of the in-wheel driving device is increased and the configuration becomes complex
Solution Approach 1:
The patent combines the wheel sensor and resolver sensor into a single integrated sensor assembly that is mounted together on the in-wheel driving device. The sensor assembly includes both the wheel sensor for detecting wheel speed and the resolver sensor for detecting rotor position, allowing them to share mounting space and reduce overall device volume while maintaining independent sensing functions.
2Ease of manufacture
If wheel sensor and resolver sensor are mounted separately as separate modules, then each sensor can be independently installed and maintained, but the configuration becomes complex and assemblability is reduced
Solution Approach 1:
The patent integrates multiple sensor functions into a unified sensor assembly structure that simplifies the overall configuration. By combining the wheel sensor and resolver sensor into one assembly unit with shared mounting features and housing, the patent reduces the number of separate components and simplifies assembly procedures while preserving the ability to service the sensor system as a unit.
3Adaptability or versatility
If wheel sensor and resolver sensor are mounted separately, then functional independence is maintained, but the number of parts increases and assemblability is reduced
Solution Approach 1:
The patent merges the wheel sensor and resolver sensor into a single integrated assembly that reduces the total number of discrete parts. The sensor assembly includes shared components such as a common mounting bracket, housing, and fastening mechanisms, while maintaining separate sensing elements that preserve functional independence for wheel speed and rotor position detection.
Data Source
AI summary
Provided are an in-wheel driving device and a vehicle including the same. According to exemplary embodiments of the present disclosure, the in-wheel driving device includes: a wheel bearing including a hub forming a body; a resolver sensor provided in the inside of the wheel bearing, and including a resolver rotor and a resolver stator; and a wheel sensor partially provided in the inside of the wheel bearing, and detecting a rotation of the resolver rotor.