Electrical generator or motor structure – Dynamoelectric – Rotary
Patent
1998-07-14
2000-02-22
Dougherty, Thomas M.
Electrical generator or motor structure
Dynamoelectric
Rotary
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.
Blalock Christopher A.
Bridges Dwight A.
Clark Thomas R.
Kale Stacy M.
Leu Timothy A.
Dougherty Thomas M.
Horn John J.
Killen Craig N.
Miller John M.
Mullins Burton
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