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In-Wheel Motors
243 2022. 10. 7.
Summary
A Korean company is specialized in In-Wheel Motors. In-Wheel Motor(also called Hub Motor, Hub drive) is an electric motor which is incorporated into the hub of a wheel and drives it directly. In-wheel motor is in highly stable stage with 25 patents and steady R&D activities.
In-wheel motors do not require the engine, gearbox, and drive shaft of conventional internal combustion engines. The company hopes to advance into Southeast Asian markets including India with in-wheel motors and EV platform products.
Advantages and Innovations
Compared to the existing DC-axis motors, in-wheel motors benefit from:
1. Energy efficiency thanks to direct power transmission method
2. Speedy response because the wheels are controlled independently
3. Reducing the weight: as the weight is light so the battery mounting space becomes larger.
4. Received a pass in environmental performance, safety, and convenience.
5. Easy control of the motor by linking AI (artificial intelligence)
Stage of Development
Description
Although the in-wheel motor has not yet been commercialized, it has been classified into 29kw, 50kw, and 75kw class in-wheel motors.
In-wheel motors are applicable not only to electric vehicles, but also to various mobility applications such as bicycles and electric kickboards.
In-Wheel motors do not need the engine, gearbox, wheel and all the parts connecting them, which are used in the existing internal combustion engine. The brake is directly mounted on each wheel and can be controlled.
The current EV vehicle platform has a different structure from existing vehicles, so the role of the inverter between the front and rear wheels is the most important for function, and the company is also developing an inverter.

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Sector Group
Type and Size of Client
Type and Role of Partner Sought
Prior to full-scale commercialization, the company hopes to enter the Southeast Asian market, including India, so they hopes to cooperate with mobility-related companies such as electric scooters and electric bicycles in the region.
Type of Partnership Considered
Manufacturing Agreement
Company
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