18546110. MOTOR, COMPRESSOR, AND REFRIGERATION CYCLE APPARATUS simplified abstract (Mitsubishi Electric Corporation)

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MOTOR, COMPRESSOR, AND REFRIGERATION CYCLE APPARATUS

Organization Name

Mitsubishi Electric Corporation

Inventor(s)

Masahiro Nigo of Tokyo (JP)

MOTOR, COMPRESSOR, AND REFRIGERATION CYCLE APPARATUS - A simplified explanation of the abstract

This abstract first appeared for US patent application 18546110 titled 'MOTOR, COMPRESSOR, AND REFRIGERATION CYCLE APPARATUS

Simplified Explanation

The patent application describes a rotor design with a magnet insertion hole and a permanent magnet inserted into the rotor core, featuring a flux barrier. The positioning of the flux barrier and the permanent magnet is optimized to improve the efficiency and performance of the rotor.

  • The distance from the pole center line to the flux barrier is shorter than the distance from the pole center line to the end of the permanent magnet.
  • The dimensions of the bridge formed between the flux barrier and the outer circumference of the rotor core, the width of the flux barrier, the width of the magnet insertion hole, and the gap between the rotor and stator are all carefully calculated to ensure optimal performance.

Potential Applications

The technology described in the patent application could be applied in various electric motor systems, such as in electric vehicles, industrial machinery, and renewable energy systems.

Problems Solved

This rotor design addresses issues related to magnetic flux distribution and efficiency in electric motors, improving overall performance and reducing energy losses.

Benefits

The optimized rotor design leads to increased efficiency, improved power output, and reduced energy consumption in electric motor systems.

Potential Commercial Applications

The technology could be utilized in electric vehicles, wind turbines, robotics, and other applications requiring high-performance electric motors.

Possible Prior Art

One possible prior art could be rotor designs with similar features aimed at improving the efficiency of electric motors.

Unanswered Questions

How does this rotor design compare to traditional rotor designs in terms of efficiency and performance?

The article does not provide a direct comparison between this rotor design and traditional designs in terms of efficiency and performance.

Are there any specific industries or applications where this technology would not be suitable or effective?

The article does not address any limitations or specific industries where this technology may not be as effective.


Original Abstract Submitted

A rotor has a rotor core having a magnet insertion hole and a permanent magnet inserted therein. The rotor core has a flux barrier. When a straight line in the radial direction passing through a center of the magnet insertion hole in the circumferential direction is defined as a pole center line, a distance W from the pole center line to the flux barrier is shorter than a distance M from the pole center line to an end of the permanent magnet in the circumferential direction. A width A in the radial direction of a bridge formed between the flux barrier and an outer circumference of the rotor core, a width B of the flux barrier in the radial direction, a width C of the magnet insertion hole in a thickness direction of the permanent magnet, and a gap G between the rotor and a stator satisfy A<G<B<C.