Honda motor co., ltd. (20240106289). STATOR AND ROTARY ELECTRIC MACHINE simplified abstract

STATOR AND ROTARY ELECTRIC MACHINE

Organization Name

honda motor co., ltd.

Inventor(s)

Kentaro Fukui of Wako-shi (JP)

Shinji Kato of Wako-shi (JP)

Takashi Wakui of Wako-shi (JP)

Noriyuki Yagi of Wako-shi (JP)

STATOR AND ROTARY ELECTRIC MACHINE - A simplified explanation of the abstract

This abstract first appeared for US patent application 20240106289 titled 'STATOR AND ROTARY ELECTRIC MACHINE

Simplified Explanation

The abstract describes a stator for an electric machine with a unique coolant flow channel design to improve cooling efficiency.

• The stator includes a cylindrical core with slots for coils to be inserted.
• Coolant flow channels are formed between the outer surface of the coils and the inner surface of the slots.
• The outer surface of the coils has a specific design with flat surfaces and curved surfaces to optimize coolant flow.
• The radius of curvature of the curved surfaces varies to enhance cooling performance.

Potential Applications

This technology can be applied in various electric machines such as motors, generators, and transformers to improve cooling efficiency and overall performance.

Problems Solved

1. Inefficient cooling in electric machines leading to overheating and reduced performance. 2. Difficulty in maintaining optimal operating temperatures in high-power applications.

Benefits

1. Enhanced cooling efficiency. 2. Improved performance and reliability of electric machines. 3. Extended lifespan of the stator components.

Potential Commercial Applications

"Optimized Coolant Flow Channel Design for Electric Machine Stators" can find applications in industries such as automotive, aerospace, renewable energy, and industrial manufacturing.

Possible Prior Art

There may be prior art related to stator cooling designs in electric machines, but specific information on similar coolant flow channel configurations is not readily available.

How does this technology compare to traditional stator cooling methods in terms of efficiency and cost-effectiveness?

This article does not provide a direct comparison between the new coolant flow channel design and traditional cooling methods in terms of efficiency and cost-effectiveness. Further research or testing may be needed to evaluate the performance and economic aspects of this innovation.

What are the potential challenges or limitations of implementing this new coolant flow channel design in existing electric machines?

The article does not address the potential challenges or limitations of retrofitting or integrating this new coolant flow channel design into existing electric machines. Factors such as compatibility, installation complexity, and retrofitting costs could be important considerations for practical implementation.

Original Abstract Submitted

a stator includes a cylindrical stator core having a plurality of slots, and a plurality of coils having segment conductors inserted through the plurality of slots and extending in axial direction, a coolant flow channel through which coolant flows is formed between outer circumferential surface of the segment conductor and inner circumferential surface of the slot, the outer circumferential surface of the segment conductor includes first flat surface facing radial direction, second flat surface facing circumferential direction, and a corner portion curved surface connecting the first flat surface and the second flat surface, the corner portion curved surface includes first curved surface continuous with the first flat surface and second curved surface continuous with the second flat surface, and when seen in cross-sectional view perpendicular to the axial direction, radius of curvature of the first curved surface is greater than radius of curvature of the second curved surface.