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  6. Axial Through-Type In-Wheel Gear Integrated Brushless Motor [Technical Data]

Axial Through-Type In-Wheel Gear Integrated Brushless Motor [Technical Data]

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WGI Series

last updated:Nov 06, 2025

Corelss Motor Co.,ltd HQ
Corelss Motor Co.,ltd HQ
  • Official site

The fixed shaft features a unique technology that allows for a through-type design, making it a wheel-in motor that is strong against loads and impacts. #TechnicalDocumentation #InWheel

In conventional motors, the motor and gearhead mechanism are separate, making geared motors larger and complicating the miniaturization of the system. By utilizing one of the main features of the coreless structure, the "hollow structure," and incorporating a special planetary gearhead into that part, we enable the overall space-saving of the system. (GSH Series) This time, we would like to introduce the WGI Series, designed for electric assist bicycles and electric wheelchairs, from the GSH Series. "A desire for power, but a need for lightness." "A wish for free design within limited space" – this is a must-see for you! 【Features】 ■ "Gear-integrated" brushless motor ■ Space-saving ■ We provide the desired rotational speed and torque. ■ Maximizes the high-speed rotation of the coreless motor ■ Excellent quietness due to the integrated gear For more details, please contact us or download the catalog. *The comprehensive catalog includes "characteristic diagrams."

    DC Motor
スクリーンショット

Axial Through-Type In-Wheel Gear Integrated Brushless Motor [Technical Data]

スクリーンショット 2019-10-09 16.41.01-min.png
スクリーンショット 2019-10-09 16.41.01-min.png
  • Related Link - http://www.cls-motor.com/products/wheel-in-motor

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basic information

●Compact: Thanks to the built-in gear effect, it is overwhelmingly smaller compared to products from other companies. ●Lightweight: Due to the coreless structure, it is lightweight and contributes to the reduction of the vehicle's weight. ●High Efficiency: Longer battery operating time and increased generation of regenerative energy. ●Cogging-Free: With the coreless structure, cogging torque is zero. ●High Torque: By using metal gears instead of resin gears, it achieves three times the torque compared to conventional models. An in-wheel motor is an electric motor that fixes the wheel hub shaft and rotates the motor body. In-wheel motors have a wide range of applications, including electric vehicles, electric wheelchairs, and electric assist bicycles. Our in-wheel motor incorporates a gear mechanism inside the motor, achieving overwhelming miniaturization and weight reduction compared to other companies' in-wheel motors.

Price range

P2

Delivery Time

Please contact us for details

※The prototype creation will take some time.

Applications/Examples of results

- Robot equipment - Industrial machinery - Mobile robots - Medical devices - Agricultural machinery - and many others.

catalog(2)

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In-wheel technology documentation

In-wheel technology documentation

TECHNICAL
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EAT (Electrical Automatic Transmission)

EAT (Electrical Automatic Transmission)

TECHNICAL
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News about this product(5)

In-wheel technology documentation

  • Catalog news

We will deliver the latest version of the in-wheel technology documentation. We kindly ask you to download it.

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Kanagawa Industrial Technology Development Grand Prize Award Ceremony

Exhibiting at the Technical Show Yokohama

  • Seminar・Event

As a prize for winning the Kanagawa Industrial Technology Development Award, we have been given a booth at the Technical Show Yokohama! Additionally, there is a possibility of giving a lecture at the seminar venue of the Tech Yokohama. Details to follow later!

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Our company has been featured in the internal magazine of the Toyota Technical Association.

  • Company news

It was published in Toyota Motor Corporation's internal web magazine. This magazine is distributed within Toyota's internal communications, and unfortunately, we won't have the opportunity to see it, but this time we received the page that was published in PDF format, so I would like to share it with everyone. I would be grateful if you could take a look.

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2019 International Robot Technology Exhibition

  • Seminar・Event

We will be exhibiting at the 2019 International Robot Technology Exhibition. This is the 23rd edition of one of the world's largest robot trade shows. The latest technologies and related products from domestic and international robot manufacturers and related companies will be showcased, facilitating business discussions and technical exchanges with visitors from both Japan and abroad. Period: December 18 [Wednesday] to 21 [Saturday], 2019.

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Companynews list (18)

Company information

Corelss

Corelss Motor Co.,ltd HQ

Machine elements and parts

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Coreless motors are engaged in the development, manufacturing, and sales of precision small motors, generators, and drivers, offering a wide range of products specialized in lightweight and energy-saving technologies through proprietary technology. 【Product Lineup】 - Coreless Brushless DC Motors - Cored Brushless DC Motors (ODM) - Small Geared Motors (ODM) - General-purpose Geared Motors (some ODM) - Gear-integrated Motors (Winner of the 36th Kanagawa Prefectural Industrial Technology Development Award) - In-wheel Motors for Electric Wheelchairs - Wheel Servo Motors (ODM) - Brushless Motor Drivers (some OEM) - Battery-powered AC Servo Motors (some ODM) - AC Servo Motion Controllers (ODM) - Renewable Energy Generators (some ODM) - Wind Turbines with EAT - IC Fan Motors - Conventional Axial Flow Fan Motors (ODM) - DC Blower Fan Motors (ODM) - Linear Motors

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