ELECTRICAL MACHINE HAVING A ROTOR FOR COOLING THE ELECTRICAL MACHINE
4 Assignments
0 Petitions
Accused Products
Abstract
The invention relates to an electrical machine (1, 51), in particular an asynchronous machine, comprising a stator (2), a rotor (4) which is rotatably mounted about a rotation axis (3) and magnetically interacts with the stator (2) during operation of the electrical machine (1, 51), a shaft (5) on which the rotor (4) is fixed and which has an axial hole (6), and an inflow element (7, 47) which extends into the axial hole (6) such that a coolant (15), in particular a cooling liquid (15), can flow into the axial hole (6) from the inflow element (7, 47). The invention also relates to a cooling system (50) comprising an electrical machine (1, 51) and a coolant circuit (55) for transporting the coolant (15), in particular the cooling liquid (15), through the axial hole (6), and to a vehicle (61) comprising a cooling system (50).
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Citations
29 Claims
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1-10. -10. (canceled)
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11. An electrical machine, in particular an asynchronous machine, comprising:
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a stator; a rotor mounted for rotation about an axis of rotation and interacting magnetically with the stator during operation of the electrical machine; a shaft on which the rotor is fixed and which has an axial bore; and an inflow element sized to extend into the axial bore to enable a coolant to flow out of the inflow element and into the axial bore. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19)
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20. A cooling system, comprising:
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an electrical machine including a stator, a rotor mounted for rotation about an axis of rotation and interacting magnetically with the stator during operation of the electrical machine, a shaft on which the rotor is fixed and which has an axial bore, and an inflow element sized to extend into the axial bore to enable a coolant to flow out of the inflow element and into the axial bore; and a coolant circuit configured to transport the coolant through the axial bore. - View Dependent Claims (21, 22, 23, 24, 25, 26, 27, 28)
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29. A vehicle, comprising a cooling system which comprises an electrical machine including a stator, a rotor mounted for rotation about an axis of rotation and interacting magnetically with the stator during operation of the electrical machine, a shaft on which the rotor is fixed and which has an axial bore, and an inflow element sized to extend into the axial bore to enable a coolant to flow out of the inflow element and into the axial bore;
- and a coolant circuit configured to transport the coolant through the axial bore.
Specification