Rare-earth permanent magnetic brushless DC motor for electric automobile

• Main Author: XIAOAI LU
• Format: Patent
• Language: English
• Published: 30.05.2007
• Subjects: CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; DYNAMO-ELECTRIC MACHINES; ELECTRICITY; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERATION; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE

The utility model relates to a rare earth permanent magnetic brushless DC motor for electric automobile, belonging to the technical field of manufacture, mainly comprises a shell (6) having a magnetic steel (7) and a rear tyre-removing end cap (10), a stator iron core (5) having a fixing shaft (1) which is arranged in the shell (6), a front end cap (3) and a rear end cap (9) which are arranged at the two ends of the shell (14), and a coaxial snap spring (8) which is arranged between the stator magnetic steel (5) and the rear end cap (9), the front end cap (3) and the rear end cap (9) are respectively connected with the fixing shaft (1) by a bearing (2), the shell (6) is connected fixedly with the rear tyre-removing end cap (10) by a bolt (4). The utility model is provided with a scientific and reasonable structure design, the motor is directly arranged at the fixing shaft of the electric automobile, automobile tyre is respectively arranged at the front and rear end caps, the motor of automobile tyre is directly driven by storage battery through the controller so as to improve the performance and life of the electric automobile availably.