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US 2016/0111932 A1Published application
Phase separators for electric machines
AssigneeHamilton Sundstrand Corporation
InventorsJoseph K. Coldwate, Wilfredo E. Colón-Velázquez, Gordon W. Friske
Life of this patent
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Abstract
A phase separator for an electric machine includes a first insulator and a second insulator. The first and second insulators each include a leg portion and an endturn portion connected to the leg portion. The endturn portion is asymmetric with respect to an axis defined by the leg portion such that the second insulator can be inverted and disposed in an overlapping arrangement for electrically insulating endturn portions of adjacent phase windings.
Claims13
A phase separator for an electric machine, comprising:
- first and second insulators, each insulator including:
- a leg portion;
- and
- an endturn portion connected to the leg portion, wherein the endturn portion is asymmetric with respect to the leg portion for electrically insulating adjacent phase winding endturn portions.
1 more element
A stator assembly, comprising:
- a stator core having a plurality of stator teeth extending radially inward from the stator core, the plurality of stator teeth defining a plurality of stator slots for receiving phase windings;
- a first phase winding having windings located in a first plurality of the stator slots and having endturn portions extending beyond the stator core;
- a second phase winding having windings located in a second plurality of stator slots and having endturn portions extending beyond the stator core;
- and
- a two-piece phase separator having a first insulator and a second insulator, each insulator including:
- a leg portion seated in one of the plurality of stator slots;
- an endturn portion connected to the leg portion, wherein the endturn portion is asymmetric with respect to the leg portion;
- and
- wherein the insulator endturn portions are disposed between the first phase winding endturn portion and the second phase winding endturn portion, wherein the insulator endturn portions electrically insulate the first phase winding endturn from the second phase winding endturn.
6 more elements
Dependencies are inferred from the claim text.