Apparatus for insulating an internal motor connection

Details Apparatus for insulating an internal motor connection Apparatus for insulating an internal motor connection

1978-02-21

1980-10-07

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

174 74A, 17438F, 336192, H02K 1100

Patent

active

042271037

ABSTRACT:
An insulated internal connection arrangement between a terminal end of a winding of a dynamoelectric machine and at least one other wire conductor is disclosed. The connection arrangement includes an insulator having at least one elongated generally tubular receptacle with one end thereof open and the other end closed and having an internal restriction between the open and closed ends. A connector disposed within the at least one receptacle, electrically joins winding and wire conductor ends. The connector has a flared portion which cooperates with the internal restriction to firmly capture the connector within the receptacle. The insulator may include a plurality of receptacles formed from a single sheet of insulating material with the receptacles disposed generally coplanar and with each receptacle opening in the same direction. The internal restriction may comprise a depression extending transverse to each of the receptacles. The insulator may be formed by rolling a sheet of insulating material in a sinuous pattern to form a plurality of receptacles and providing a seam generally along a path in the direction of elongation of those receptacles to maintain the sheet in its sinuous configuration. A transverse seam is formed near one end of the rolled sheet to close the receptacles at that one end, and a side wall of one or more of the receptacles is deformed, for example, by heating in a region between the closed and open ends of the receptacles to form the connector holding internal irregularity or restriction. When the connected conductors are inserted into the receptacle open end, the connector passes beyond the internal irregularity or restriction, and the restriction cooperates with a flared trailing edge of the connector to hold the connector and its associated conductors within the receptacle.

REFERENCES:
patent: 2792444 (1957-05-01), Bergan
patent: 3457442 (1969-07-01), Charlton
patent: 3502917 (1970-03-01), Bizoe
patent: 3518616 (1970-06-01), Lewis
patent: 3825880 (1974-07-01), Battaglia
patent: 3912957 (1975-10-01), Reynolds
patent: 4004169 (1977-01-01), Charlton

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