Temperature sensing arrangement for the stator core of an electr

Electrical generator or motor structure – Dynamoelectric – Rotary

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361 25, H02K 1100

Patent

active

060283823

ABSTRACT:
An arrangement for measuring the operating temperature of an electromechanical machine utilizes at least one elongate sensor device inserted into a winding slot of the stator core. The sensor device includes a lead attachment portion at which a plurality of relatively large gauge lead wires are attached. The lead wires preferably have a length sufficient to extend to a location outside of the motor housing. The sensor device includes an elongate sensing portion having temperature sensitive conductors. Preferably, the sensing portion is located entirely within the axial extent of the stator core. An elongate transition portion having temperature insensitive conductors provides electrical connection between the lead wires and the temperature sensitive conductors of the sensing portion.

REFERENCES:
patent: 2619573 (1952-11-01), Dawson
patent: 2717945 (1955-09-01), Dresios et al.
patent: 3433313 (1969-01-01), Snoberger et al.
patent: 5680059 (1997-10-01), Shiota et al.
MINCO Bulletin STD-3 0.03 Stator Slot Sensors, Minco Products, Inc., Minneapolis, MN, dated Feb. 1996.

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