Toyota jidosha kabushiki kaisha (20240217332). IN-WHEEL MOTOR DRIVING DEVICE simplified abstract

IN-WHEEL MOTOR DRIVING DEVICE

Organization Name

toyota jidosha kabushiki kaisha

Inventor(s)

Keita Imai of Seto-Shi Aichi-ken (JP)

Kiichi Yokoyama of Toyota-shi Aichi-ken (JP)

Hiroki Monji of Toyota-shi Aichi-ken (JP)

Yusuke Ueta of Haibara-gun Shizuoka-ken (JP)

Tatsuya Sakai of Toyota-shi Aichi-ken (JP)

IN-WHEEL MOTOR DRIVING DEVICE - A simplified explanation of the abstract

This abstract first appeared for US patent application 20240217332 titled 'IN-WHEEL MOTOR DRIVING DEVICE

Simplified Explanation

The patent application describes an in-wheel motor drive device that houses a motor and reduction gear in a drive wheel, secured by fastening bolts. Specifically, a pair of fastening bolts is positioned across a stator coil end portion of the motor on the same straight line in a radial direction.

• The device includes a motor case housing a motor in a wheel, a reduction gear case housing a reduction gear, and fastening bolts for securing the motor case and reduction gear case.
• A pair of fastening bolts is positioned across a stator coil end portion of the motor on the same straight line in a radial direction.
• The fastening bolts are arranged in a way that enhances the stability and alignment of the motor and reduction gear within the drive wheel.

Key Features and Innovation

• Integration of a motor and reduction gear within a drive wheel.
• Specific arrangement of fastening bolts for enhanced stability and alignment.
• Simplified design for in-wheel motor drive devices.

Potential Applications

• Electric vehicles.
• Hybrid vehicles.
• Motorized bicycles.

Problems Solved

• Improved alignment and stability of motor and reduction gear.
• Simplified assembly process.
• Enhanced performance of in-wheel motor drive devices.

Benefits

• Increased efficiency.
• Enhanced durability.
• Improved overall performance of vehicles.

Commercial Applications

Electric Vehicle Industry: This technology can be utilized in electric vehicles to improve performance and efficiency, potentially leading to a wider adoption of electric vehicles in the market.

Prior Art

Prior art related to in-wheel motor drive devices and fastening mechanisms in similar applications can be explored in patents and research papers related to electric vehicle technologies.

Frequently Updated Research

Research on advancements in electric vehicle technologies, particularly in the integration of motors and reduction gears within drive wheels, can provide valuable insights into the ongoing developments in this field.

Questions about In-Wheel Motor Drive Device

What are the key benefits of integrating a motor and reduction gear within a drive wheel?

Integrating a motor and reduction gear within a drive wheel can lead to improved efficiency, enhanced performance, and simplified design of electric vehicles and other motorized vehicles.

How does the specific arrangement of fastening bolts contribute to the stability and alignment of the motor and reduction gear?

The arrangement of fastening bolts across a stator coil end portion of the motor on the same straight line in a radial direction ensures a secure and stable connection between the motor case and reduction gear case, enhancing the overall performance of the in-wheel motor drive device.

Original Abstract Submitted

an in-wheel motor drive device includes: a motor case housing a motor provided in a wheel of a drive wheel; a reduction gear case housing a reduction gear; and a plurality of fastening bolts for fastening the motor case and the reduction gear case. further, among the plurality of fastening bolts, a pair of fastening bolts facing each other across a stator coil end portion of the motor is arranged on a same straight line in a radial direction orthogonal to an axis direction of the motor.