Thermo-sensitive actuator and idle speed controller employing th

Details Thermo-sensitive actuator and idle speed controller employing th Thermo-sensitive actuator and idle speed controller employing th

1995-08-28

1998-04-21

Stephan, Steven L.

Electrical generator or motor structure

Dynamoelectric

Oscillating

310306, 310209, 310190, 310191, 335217, 335218, 335146, H02K 3302

Patent

active

057421064

ABSTRACT:
A thermo-sensitive actuator capable of operating without the need of providing a temperature detector as a separate member. The actuator includes a stator made of a magnetic material to form a yoke. A rotor is rotatably provided in an opening provided in the stator. The actuator further includes pole pieces for magnetically connecting the stator and the rotor. A magnetic source is provided in any of the magnetic paths formed by the constituent elements. A thermo-sensitive magnetic material, which shows a change in magnetic characteristics, e.g. permeability, saturated magnetic flux density, or residual magnetic flux density, according to temperature, is provided in a part of the magnetic paths.

REFERENCES:
patent: 3760310 (1973-09-01), Carson
patent: 5220223 (1993-06-01), Mehnert

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