Toyota jidosha kabushiki kaisha (20240195266). ROTOR simplified abstract

ROTOR

Organization Name

toyota jidosha kabushiki kaisha

Inventor(s)

Kenta Tabuchi of Nisshin-shi (JP)

Hiroki Kato of Toyota-shi (JP)

Hideaki Miyazono of Kasugai-shi (JP)

Kiichi Yokoyama of Toyota-shi (JP)

Hironori Asaoka of Okazaki-shi (JP)

Fumiaki Yamato of Okazaki-shi (JP)

ROTOR - A simplified explanation of the abstract

This abstract first appeared for US patent application 20240195266 titled 'ROTOR

The abstract of the patent application describes a rotor that includes a rotor shaft and a rotor core with magnet slots and magnets, where at least one magnet has an elongated shape and is fixed against the inner surface of a corresponding magnet slot. The rotor is designed to allow coolant to flow through the rotor shaft and reach the exposed surface of the elongated magnet, moving along the axial direction of the rotor core.

• Rotor includes rotor shaft and rotor core with magnet slots and magnets
• At least one magnet has an elongated shape and is fixed against the inner surface of a magnet slot
• Coolant flows through rotor shaft to reach exposed surface of elongated magnet
• Coolant moves along axial direction of rotor core

1. 1. 1. Potential Applications:

- Electric motors - Generators - Wind turbines

1. 1. 1. Problems Solved:

- Efficient cooling of magnets in rotor - Improved performance and longevity of rotor components

1. 1. 1. Benefits:

- Enhanced thermal management - Increased efficiency - Extended lifespan of rotor

1. 1. 1. Commercial Applications:
         1. Title: Advanced Rotor Cooling Technology for Electric Motors

This technology can be utilized in various industries such as automotive, aerospace, and renewable energy for the development of high-performance electric motors, generators, and wind turbines. The improved cooling system can lead to more reliable and efficient products, attracting customers looking for advanced technology solutions.

1. 1. 1. Prior Art:

Prior research in the field of rotor cooling systems for electric motors and generators can be found in academic journals and patents related to thermal management in rotating machinery. Researchers have explored various methods to enhance the cooling efficiency of rotor components to improve overall performance and reliability.

1. 1. 1. Frequently Updated Research:

Ongoing research in the field of rotor cooling technology focuses on optimizing the design of magnet slots and cooling channels to achieve maximum heat dissipation and efficiency. Studies also investigate the impact of different cooling fluids and flow rates on the thermal behavior of the rotor under various operating conditions.

1. 1. 1. 1. Questions about Rotor Cooling Technology:

1. How does the design of the elongated magnets contribute to the overall cooling efficiency of the rotor? 2. What are the potential challenges in implementing this advanced cooling technology in different types of electric motors and generators?

Original Abstract Submitted

a rotor may include: a rotor shaft; a rotor core attached to the rotor shaft and comprising a plurality of magnet slots and magnets, wherein at least one magnet of the magnets has an elongated cross-sectional shape and is fixed by being pressed against a part of an inner surface defining a corresponding one of the magnet slots of the rotor core. the rotor is configured so that coolant flowing through the rotor shaft reaches a surface of a long side of the at least one magnet that is exposed inward in a radial direction of the rotor core in the corresponding magnet slot and moves along an axial direction of the rotor core.