ROTOR WITH HEAT SINK
First Claim
1. A rotor for a motor, comprising a shaft, a rotor core fixed to the shaft and rotor windings wound on the rotor core, the rotor core comprising a plurality of teeth extending outwardly, a winding slot formed between adjacent teeth, effective parts of the rotor windings being disposed in the winding slots, and a heat sink made of a thermally conductive material,wherein the heat sink comprises two annular portions and a plurality of connecting members interconnecting the two annular portions, the two annular portions being located at respective axial ends of the rotor core, and the connecting members are received in respective winding slots and are thermally connected with the effective parts of the rotor windings.
1 Assignment
0 Petitions
Accused Products
Abstract
A rotor for an electric motor has a shaft, a rotor core and rotor windings. The rotor core is fixed to the shaft and has a number of teeth. A winding slot is formed between adjacent teeth. The rotor includes a heat sink made of a thermally conductive material. The heat sink includes two annular portions and a plurality of connecting members connecting the two annular portions. The annular portions are located at respective axial ends of the rotor core. The connecting members are disposed in respective winding slots and are thermally connected with the rotor windings.
7 Citations
19 Claims
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1. A rotor for a motor, comprising a shaft, a rotor core fixed to the shaft and rotor windings wound on the rotor core, the rotor core comprising a plurality of teeth extending outwardly, a winding slot formed between adjacent teeth, effective parts of the rotor windings being disposed in the winding slots, and a heat sink made of a thermally conductive material,
wherein the heat sink comprises two annular portions and a plurality of connecting members interconnecting the two annular portions, the two annular portions being located at respective axial ends of the rotor core, and the connecting members are received in respective winding slots and are thermally connected with the effective parts of the rotor windings.
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10. A motor comprising a rotor and a stator, the stator having a motor housing, and an end cap mounted to an open end of the motor housing, and
the rotor comprising a shaft, a rotor core fixed to the shaft and rotor windings wound on the rotor core, the rotor core comprising a plurality of teeth extending outwardly, a winding slot formed between adjacent teeth, effective parts of the rotor windings being disposed in the winding slots, and a heat sink made of a thermally conductive material, wherein the heat sink comprises two annular portions and a plurality of connecting members interconnecting the two annular portions, the two annular portions being located at respective axial ends of the rotor core, and the connecting members are received in respective winding slots and are thermally connected with the effective parts of the rotor windings.
Specification