LAMINATION ASSEMBLY INCLUDING AN INTER-LAMINATION THERMAL TRANSFER MEMBER FOR AN ELECTRIC MACHINE
A lamination assembly having a lamination stack including a plurality of lamination members, and at least one inter-lamination thermal transfer member coupled to at least one of the plurality of lamination members. The at least one inter-lamination thermal transfer member establishes a heat dissipation path from the lamination stack.
1 . A lamination assembly comprising:
a lamination stack including a plurality of lamination members; and
at least one inter-lamination thermal transfer member coupled to at least one of the plurality of lamination members, the at least one inter-lamination thermal transfer member establishing a heat dissipation path from the lamination stack.
2 . The lamination assembly according to claim 1 , wherein the at least one inter-lamination thermal transfer member is interleaved between adjacent ones of the plurality of lamination members.
3 . The lamination assembly according to claim 1 , wherein the inter-lamination thermal transfer member is formed from a thermally conductive media including thermally conductive paper.
4 . The lamination assembly according to claim 1 , wherein the inter-lamination thermal transfer member is formed from a thermally conductive media comprising one of a graphite and a composite material having a ceramic and one of a silicone and an epoxy.
5 . The lamination assembly according to claim 4 , wherein the ceramic includes one of a boron nitride, a beryllium oxide, and an aluminum oxide.
6 . The lamination assembly according to claim 1 , wherein each of the plurality of lamination members include a first thermal conductivity and the at least one inter-lamination thermal transfer member includes a second thermal conductivity, the second thermal conductivity being greater than the first thermal conductivity.
7 . The lamination assembly according to claim 6 , wherein each of the plurality of lamination members comprises a steel.
8 . The lamination assembly according to claim 1 , wherein each of the plurality of laminations includes a plurality of slots that are aligned to form a plurality of magnet receiving zones.
9 . The lamination assembly according to claim 8 , wherein the at least one inter-lamination thermal transfer member includes a plurality of slots that correspond to and align with the plurality of slots in the plurality of laminations.
10 . An electric machine comprising:
a housing;
a stator fixedly mounted relative to the housing;
a rotor rotatably mounted relative to the stator and the housing, the rotor including a rotor hub supporting a lamination assembly comprising:
a lamination stack including a plurality of lamination members; and
at least one inter-lamination thermal transfer member coupled to at least one of the plurality of lamination members, the at least one inter-lamination thermal transfer member establishing a heat dissipation path from the lamination stack.
11 . The electric machine according to claim 10 , wherein the at least one inter-lamination thermal transfer member is interleaved between adjacent ones of the plurality of lamination members.
12 . The electric machine according to claim 10 , wherein the at least one inter-lamination thermal transfer member is formed from a thermally conductive media including thermally conductive paper.
13 . The electric machine according to claim 10 , wherein the at least one inter-lamination thermal transfer member is formed from a thermally conductive media comprising one of a graphite and a composite material having a ceramic and one of a silicone and an epoxy.
14 . The electric machine according to claim 13 , wherein the ceramic includes one of a boron nitride, a beryllium oxide, and an aluminum oxide.
15 . The electric machine according to claim 10 , wherein each of the plurality of laminations includes a first thermal conductivity and the at least one inter-lamination thermal transfer member includes a second thermal conductivity, the second thermal conductivity being greater than the first thermal conductivity.
16 . The electric machine according to claim 15 , wherein each of the plurality of lamination members comprises a steel.
17 . The electric machine according to claim 10 , wherein each of the plurality of laminations includes a plurality of slots that are aligned to form a plurality of magnet receiving zones.
18 . The electric machine according to claim 17 , wherein the at least one inter-lamination thermal transfer member includes a plurality of slots that correspond to and align with the plurality of slots in the plurality of laminations.
19 . A method of forming a lamination assembly, the method comprising:
aligning a plurality of lamination members; and
positioning at least one inter-lamination thermal transfer member on one of the plurality of lamination members.
20 . The method of claim 20 , wherein adding the at least inter-lamination thermal transfer member comprises inserting the at least one inter-lamination thermal transfer member between adjacent ones of the plurality of lamination members.