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US 2023/0179055 A1Published application
Electric water pump
AssigneesHyundai Motor Company, Kia Corporation
InventorsTae Gwan Heo, Gun Goo Lee, Shin Gyu Kim, Byung Soo Kim
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Abstract
An electric water pump is configured to reduce an axial distance between a stator and a rotor. Since a separator of a stator casing is formed so as not to cover an upper surface of a stator, the axial thickness of the separator is reduced and the axial distance between the stator and the rotor is also reduced. The reduction in the axial distance allows a motor to have increased output and efficiency.
Claims10
An electric water pump comprising:
- a pump cover having an inlet for inflow of a fluid and an outlet for outflow of the fluid;
- and
- an impeller disposed in an internal space of the pump cover and rotated by a motor to transfer the fluid, introduced through the inlet, to the outlet,
- wherein the motor includes
- a rotor coupled to the impeller to rotate with the impeller,
- a stator disposed beneath the rotor and configured to rotate the rotor by generating a magnetic field using an externally applied current, and
- a casing configured to receive and protect the stator and provided with a separator to isolate an electrical component of the stator from the fluid, and
- wherein the separator is formed integrally with an upper portion of the stator so as to surround the upper portion of the stator, without covering an upper surface of the stator.
5 more elements
Dependencies are inferred from the claim text.