Electric machine housing
A housing for enclosing electronics of a motor having an axis of rotation is provided. The housing includes an end cap having an outer surface and an inner surface. A control board is coupled to the inner surface, wherein the printed circuit board includes a first side, a second side and an edge located between the first side and the second side. The housing further includes a first circuit coupled to the first side which includes a plurality of first electrical components. Each first electrical component includes a tab extending beyond the edge. A second circuit is coupled to the second side and a fastener assembly is coupled to the tab and the inner surface.
1. A housing for enclosing electronics of a motor having an axis of rotation, said housing comprising:
an end cap comprising an outer surface and an inner surface;
a control board coupled to said inner surface and comprising a first side, a second side and an edge located between said first side and said second side;
a first circuit coupled to said first side and comprising a plurality of first electrical components, each first electrical component comprising a tab extending beyond said edge;
a second circuit coupled to said second side; and
a fastener assembly disposed beyond said edge, said fastener assembly coupled to said tab and said inner surface, said fastener assembly comprising a clamp bar and a fastener extending through said clamp bar, said end cap defining an opening that receives said fastener.
2. The housing of claim 1 , further comprising a thermal pad coupled to said plurality of first electrical components and said inner surface.
3. The housing of claim 1 , wherein said edge comprises an arcuate portion, a first straight portion, a second straight portion and a third straight portion.
4. The housing of claim 3 , wherein said edge comprises a first end coupled to said first straight portion and a second end coupled to said second straight portion.
5. The housing of claim 1 , wherein said plurality of first electrical components comprises a pair of first electrical components separated by a space and said fastener is positioned within said space.
6. The housing of claim 1 , wherein said plurality of first electrical components comprises a pair of tabs separated by a space and said clamp bar couples to said pair of tabs.
7. The housing of claim 1 , further comprising a sound dampener coupled to said outer surface.
8. The housing of claim 1 , further comprising a bearing cylinder coupled to said outer surface and a sound dampener coupled to said bearing cylinder.
9. The housing of claim 1 , further comprising a bearing cylinder coupled to said outer surface and a sound dampener coupled to said bearing cylinder, said sound dampener comprising a plurality of stiffeners radially extending from said bearing cylinder.
10. An electrical machine having an axis of rotation, said electrical machine comprising:
a motor comprising a stator, a rotor coupled to said stator and a motor shaft coupled to said rotor along the axis of rotation; and
a housing coupled to and enclosing said motor and comprising:
an end cap comprising an outer surface and an inner surface;
a control board coupled to said inner surface and comprising a first side, a second side and an edge located between said first side and said second side;
a first circuit coupled to said first side and comprising a plurality of first electrical components, each first electrical component comprising a body coupled to said first side and a tab extending beyond said edge;
a second circuit coupled to said second side; and
a fastener assembly disposed beyond said edge, said fastener assembly coupled to said tab and said inner surface, said fastener assembly comprising a clamp bar and a fastener extending through said clamp bar, said end cap defining an opening that receives said fastener.
11. The electrical machine of claim 10 , further comprising a thermal pad coupled to said plurality of first electrical components and said inner surface.
12. The electrical machine of claim 10 , wherein said edge comprises an arcuate portion, a first straight portion, a second straight portion and a third straight portion.
13. The electrical machine of claim 12 , wherein said edge comprises a first end coupled to said first straight portion and a second end coupled to said second straight portion.
14. The electrical machine of claim 10 , wherein said plurality of first electrical components comprises a pair of first electrical components separated by a space and said fastener is positioned within said space.
15. The electrical machine of claim 10 , wherein said plurality of first electrical components comprises a pair of tabs separated by a space and said clamp bar couples to said pair of tabs.