Electrical generator or motor structure – Dynamoelectric – Rotary
Patent
1992-06-08
1993-06-01
Skudy, R.
Electrical generator or motor structure
Dynamoelectric
Rotary
310 45, 310236, 310271, H02K 1300
Patent
active
052163091
ABSTRACT:
Dynamoelectric machines are disclosed that are characterized by lengthened ground potential leakage current paths, desirable mechanical conformations, mechanical integrity when subjected to expected centrifugal forces, and ease of manufacture. One process involves establishing an extended or elongated path for commutator leakage currents with a path extending structure, establishing a cantilevered insulation skirt about the in-board or armature coil end of a commutator, and securely fastening such skirt to the commutator. The material utilized in making the skirt is one: that has electrical properties that permit it to withstand leakage currents without tracking; that for practical purposes is non-burnable, so as to resist flashovers or sparking; and that has the ability to withstand elevated temperatures that are encountered within dynamoelectric machine. The skirt is provided with openings therein and sandwiched between two glass based bands that adhere to another through the openings and thus lock the skirt in place on the commutator body.
REFERENCES:
patent: 3129350 (1964-04-01), Clark
patent: 3146364 (1964-08-01), Paul
patent: 3486057 (1969-12-01), Stude et al.
patent: 3532913 (1970-10-01), Forste et al.
patent: 3697792 (1972-10-01), Roue
patent: 3751700 (1973-08-01), Cole
patent: 3996660 (1976-12-01), Hancock
patent: 4170505 (1979-10-01), Zgraggen
patent: 4341972 (1982-07-01), Penn et al.
patent: 4422234 (1983-12-01), Penn et al.
patent: 4638202 (1987-01-01), Ebner
patent: 4710662 (1987-12-01), Balke et al.
patent: 4769627 (1988-09-01), Baines
patent: 4890377 (1990-01-01), Ebner
patent: 4930210 (1990-06-01), Wang
patent: 4983871 (1991-01-01), Strobl
"Improved Commutator Glass Band Protectin" by M. A. Zgraggen, General Electric Company, (No Month) 1980.
"General Electric MD 800 Armored Mill Motor" brochure (No Date).
Balke Roy L.
Jack Joseph E.
General Electric Company
Krisher, Jr. Ralph E.
Skudy R.
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