Title:
ROTARY ELECTRIC MACHINE AND VEHICLE
Document Type and Number:
Japanese Patent JP2009247084
Kind Code:
A
Abstract:
To accurately detect the temperature of the rotor of a rotary electric machine.
The rotary electric machine includes: a stator 4; a rotor 2 rotatably supported in the stator 4 with a predetermined gap in-between; and an RFID tag 1 with a temperature sensor provided in the rotor 2. Temperature sensing data transmitted from the RFID tag 1 with the temperature sensor is received by an RFID tag read/write terminal 5 and input to a vehicle controller 6. The vehicle controller 6 alarms a higher level system in abnormal conditions or limits operation according to the temperature information.
More Like This:
Inventors:
SAITO YUJI
Application Number:
JP2008089161A
Publication Date:
October 22, 2009
Filing Date:
March 31, 2008
Export Citation:
Assignee:
HITACHI LTD
International Classes:
H02K11/00; H02K1/22; H02K21/14
Attorney, Agent or Firm:
Manabu Inoue
Yuji Toda
Yuji Toda