Title:
AC SERVO MOTOR
Document Type and Number:
Japanese Patent JPH06315248
Kind Code:
A
Abstract:
PURPOSE: To ensure appropriate operation of a detector at all times by sustaining the detector fixed to a motor within an allowable operating temperature range.
CONSTITUTION: The AC servo motor comprises a heater 8 disposed closely to the outer periphery of a detector 2 fixed to a motor in order to heat the detector 2, a fan 1 for cooling the detector 2, temperature sensors 9, 10 for detecting the ambient temperature of the detector 2, and temperature regulators 11, 12 for turning the heater 8 and/or the cooling fan 1 ON/OFF based on the temperature information from the temperature sensors 9, 10 to sustain the detector 2 within an allowable operating temperature range.
Inventors:
HAYAKAWA MASUMI
Application Number:
JP10306993A
Publication Date:
November 08, 1994
Filing Date:
April 28, 1993
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP
International Classes:
H02K9/04; H02K11/00; (IPC1-7): H02K11/00; H02K9/04
Attorney, Agent or Firm:
Takada Mamoru