Rotation motor
A technology for rotating electrical machines and rotor cores, applied in electrical components, electromechanical devices, electrical components, etc., can solve the problems of increased pressure loss, difficult processing, increased weight, etc., to achieve stable cooling, easy processing, and high degree of freedom Effect
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Embodiment approach 1
[0048] Hereinafter, refer to as Embodiment 1 Figure 1 ~ Figure 3 , to illustrate the present invention.
[0049] In addition, in each figure, the same code|symbol represents the same or a corresponding part.
[0050] figure 1 is a cross-sectional view showing a schematic configuration of the rotating electrical machine according to Embodiment 1 of the present invention.
[0051] Such a rotating electrical machine has a function as a motor or a generator, and can be mounted on, for example, a hybrid vehicle or an electric vehicle.
[0052] exist figure 1 Among them, a rotating electrical machine 1 is configured to include: a housing 2 formed by butting a pair of bowl-shaped members 2a and 2b; a stator 20 disposed in the housing 2 in a circumferential shape; and a rotor 10. The rotor 10 and the stator 20 are rotatably disposed on the casing 2 with a certain gap therebetween.
[0053] Here, the stator 20 includes: an annular stator core 21; an insulator 22 assembled to both...
Embodiment approach 2
[0070] Figure 5 is a cross-sectional view showing a schematic configuration of a rotating electrical machine according to Embodiment 2 of the present invention.
[0071] In the above-mentioned first embodiment, the guide plate 18 is provided in a substantially disk shape, and the axial end surface of the bearing portion 2c is arranged at a position separated from the boss 12 in the axial direction, but in the second embodiment, as Figure 5 , Figure 6 As shown, the guide plate 18 is provided in a substantially cup-shaped shape, and the bearing portion 2c of the housing member 2a supporting the bearing 3 protrudes, and the axial surface 18a of the guide plate 18 is aligned with the shaft sleeve 12. The inner peripheral surface and the outer peripheral surface of the bearing portion 2c face each other with a gap therebetween.
[0072] With the configuration as described above, the coolant released from the through-oil passage hole 11a of the shaft 11 can be accumulated in th...
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