Gapless inner diameter stator winding blocking mechanism

Details Gapless inner diameter stator winding blocking mechanism Gapless inner diameter stator winding blocking mechanism

1995-06-06

1997-01-21

Vo, Peter

Metal working

Means to assemble or disassemble

Means to assemble electrical device

29596, 29734, 2424326, H02K 1506

Patent

active

055949843

ABSTRACT:
An inner diameter block for blocking the inner diameter of windings of an electric motor includes a plurality of first segments and a plurality of second segments arranged in an alternating manner. The segments are movable radially outwardly to block the inner diameter of the windings. One of the segments is generally pie shaped, having an arcuate outer surface and ears extending circumferentially to define part of the outer surface. These first segments define gaps which receive second segments. The first and second segments have sloping inner surfaces which define a core in which an expanding cone is received. The cone, when moved axially in the core, urges the second segments radially outwardly. The second segments then force the first segments radially outwardly. The interaction of the second segments with the ears of the first segments provide a substantially continuous, gap-free outer surface to the inner diameter block at all stages of expansion.

REFERENCES:
patent: 3464639 (1969-09-01), Harelson et al.
patent: 3874056 (1975-04-01), Peters
patent: 4003116 (1977-01-01), Bale
patent: 4047293 (1977-09-01), Kieffer
patent: 4617972 (1986-10-01), Walker
patent: 4710664 (1987-12-01), Cox et al.
patent: 5056212 (1991-10-01), Scherer
patent: 5090107 (1992-02-01), Beakes et al.
patent: 5237740 (1993-08-01), Hayashi et al.

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