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Rotary electric machine

A technology of rotating motors and rotors, applied in the field of rotating motors for sensors, can solve problems such as wire burnout, achieve simple structure, and suppress the effect of induced current

Inactive Publication Date: 2015-10-14
MURATA MFG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to this heat, there is a possibility that the wires of the coil will be blown.

Method used

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  • Rotary electric machine
  • Rotary electric machine
  • Rotary electric machine

Examples

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Embodiment Construction

[0029] Hereinafter, modes for implementing the present invention will be described based on the drawings.

[0030] figure 1 It is a schematic configuration diagram of a rotating electric machine to which the present invention is applied. Such as figure 1 As shown, the rotating electrical machine 1 according to the present invention generally includes a rotor 2 , a stator 3 , a shaft 4 , a casing 5 , a sensor 6 , an antenna 7 (first and second antennas 7 and 8 ), and a communication control unit 9 . The coils included in the stator 3 receive an alternating current from an external power supply (not shown) via the input line 16 to rotate the rotor 2 and obtain power from the rotary shaft 4 as an output shaft.

[0031] The case 5 accommodates the rotor 2 and the stator 3 . The stator 3 is disposed within the housing 5 . The rotor 2 is integrated with the rotating shaft 4 and is provided as a whole in the cavity of the annular stator 3 . The rotor 2 and the stator 3 are arr...

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PUM

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Abstract

A rotary electric machine (1) comprises a rotor (2), a stator (3), and a housing (5) that accommodates the rotor (2) and the stator (3) and supports the stator (3) so that the rotor (2) is rotatably held within the stator (3). A physical quantity that relates to the rotary electric machine (1) and that is detected by a sensor (6) is acquired by a communication control unit (9) via antennas (7, 8). The rotary electric machine (1) is characterized by having a configuration in which the antennas (7, 8) are arranged on the outside of the housing (5).

Description

technical field [0001] The present invention relates to a rotating electric machine, particularly a rotating electric machine provided with a sensor for detecting a physical quantity in the rotating electric machine. Background technique [0002] Conventionally, various rotating electrical machines have been proposed. For example, patent document 1 discloses such as Figure 7 The rotating motor shown. This rotating electrical machine (electric motor) 101 is a drive device including a rotor 102 and a stator 103, and is incorporated in various power utilization systems (for example, automobiles, etc.). For this reason, the rotating electric machine 101 further includes a housing 105 to be used as a structural body (unit). The casing 105 accommodates the rotor 102 and the stator 103 , and supports the stator 103 so that the rotor 102 is rotatably held in the stator 103 . [0003] When the rotary electric machine 101 is driven, copper loss or iron loss occurs in the coils or ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02K11/00G01K1/14G01K7/32
CPCG01K13/08G01K1/024H02K11/0078H02K11/35H02K11/0094H02K5/16
Inventor 伊藤吉博伊藤重夫
Owner MURATA MFG CO LTD