COIL BLOCK, COIL BLOCK ASSEMBLY, AND ELECTRICAL MACHINE CONTAINING SAME
First Claim
1. An electrical machine comprising:
- at least one tooth coil including;
a stator tooth; and
at least one conductive coil wound around the stator tooth, forming a plurality of coil turns;
a coil block assembly between a first turn and a second turn of the plurality of coil turns, the coil block assembly including;
at least two coil blocks, each coil block including a body and a face having at least one recess into the body, wherein the coil blocks are oriented with faces opposed, such that at least one cooling channel is formed by the at least one recess of each coil block.
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Accused Products
Abstract
Embodiments of the invention relate generally to electrical machines and, more particularly, to electrical machines containing a coil block assembly for cooling conductive coils. In one embodiment, the invention provides an electrical machine comprising: at least one tooth coil including: a stator tooth; and at least one conductive coil wound around the stator tooth, forming a plurality of coil turns; a coil block assembly between a first turn and a second turn of the plurality of coil turns, the coil block assembly including: at least two coil blocks, each coil block including a body and a face having at least one recess into the body, wherein the coil blocks are oriented with faces opposed, such that at least one cooling channel is formed by the at least one recess of each coil block.
13 Citations
20 Claims
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1. An electrical machine comprising:
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at least one tooth coil including; a stator tooth; and at least one conductive coil wound around the stator tooth, forming a plurality of coil turns; a coil block assembly between a first turn and a second turn of the plurality of coil turns, the coil block assembly including; at least two coil blocks, each coil block including a body and a face having at least one recess into the body, wherein the coil blocks are oriented with faces opposed, such that at least one cooling channel is formed by the at least one recess of each coil block. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. An electrical machine comprising:
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a plurality of tooth coils, each tooth coil including; a stator tooth; and at least one conductive coil wound around the stator tooth, forming a plurality of coil turns; and a coil block assembly between an outer turn of the plurality of coil turns of a first tooth coil and an outer turn of the plurality of coil turns of a second tooth coil, the coil block assembly including a plurality of coil blocks, at least two coil blocks each including; a body; and a first face having at least one recess into the body, wherein the at least two coil blocks are oriented with first faces opposed to form at least one cooling channel including the at least one recess of each of at least two coil blocks. - View Dependent Claims (14, 15, 16, 17)
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18. A coil block comprising:
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a body including a proximal end having a first thickness and a distal end having a second thickness less than the first thickness; a first face having at least one recess into the body; a first surface substantially perpendicular to the first face; and a second surface angled with respect to the first surface and the first face, whereby a pair of coil blocks oriented with first faces thereof opposed has a substantially trapezoidal shape in cross-section and form at least one cooling channel comprised of the at least one recess of each of the pair of coil blocks. - View Dependent Claims (19, 20)
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Specification