18277317. ROTATING ELECTRICAL MACHINE simplified abstract (Mitsubishi Electric Corporation)
ROTATING ELECTRICAL MACHINE
Organization Name
Mitsubishi Electric Corporation
Inventor(s)
ROTATING ELECTRICAL MACHINE - A simplified explanation of the abstract
This abstract first appeared for US patent application 18277317 titled 'ROTATING ELECTRICAL MACHINE
The abstract describes a rotating electrical machine with a unique rotor design that includes both magnet poles and dummy poles, arranged alternately in the axial and circumferential directions. Non-magnetic holes are placed between the magnet poles and dummy poles in the axial direction, ensuring specific length ratios are met.
- The rotor of the electrical machine consists of magnet poles formed by permanent magnets and dummy poles.
- Magnet poles and dummy poles are arranged alternately in both axial and circumferential directions.
- Non-magnetic holes are placed between adjacent magnet poles and dummy poles in the axial direction.
- Specific length ratios between magnet poles, dummy poles, non-magnetic holes, and the rotor core are maintained to optimize performance.
Potential Applications: - Electric vehicles - Wind turbines - Industrial machinery
Problems Solved: - Improved efficiency and performance of rotating electrical machines - Enhanced magnetic field distribution
Benefits: - Increased energy efficiency - Reduced maintenance requirements - Enhanced overall performance
Commercial Applications: Title: Innovative Rotor Design for Enhanced Electrical Machines This technology can be applied in various industries such as electric vehicles, renewable energy, and industrial automation, offering improved efficiency and performance.
Questions about the technology: 1. How does the unique rotor design impact the overall efficiency of the electrical machine? 2. What are the potential cost savings associated with implementing this innovative rotor design?
Original Abstract Submitted
A rotating electrical machine includes a stator and a rotor, the rotor includes a rotor core and a plurality of magnetic poles, the plurality of magnetic poles includes a plurality of magnet poles formed by permanent magnets, and a plurality of dummy poles, the magnet poles and the dummy poles are alternately disposed in both an axial direction and a circumferential direction, non-magnetic holes are provided between the magnet poles and the dummy poles that are adjacent in the axial direction, and when a length of each magnet pole in the axial direction is tm, a length of each dummy pole in the axial direction is tc, a length of each non-magnetic hole in the axial direction is ta, and a length of the rotor core in the axial direction is lc, the rotating electrical machine satisfies tm>tc and lc<(2×tm)+ta.