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US 12,674,453 B2Granted
Pump assembly
AssigneeSumitomo Electric Sintered Alloy, Ltd.
InventorShoichi Takada
Life of this patent
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Abstract
A pump assembly includes an axial gap motor including a stator, a motor rotor, and a motor shaft, and a pump including a pump rotor configured to be rotated by the motor rotor and a pump housing configured to house the pump rotor. The stator includes a yoke having an annular shape, and a plurality of teeth disposed on a first surface of the yoke. The pump is disposed in an internal space surrounded by the plurality of teeth. The pump housing has a passage space formed in an interior of the pump housing, and a leak passage opened from the passage space toward the motor rotor.
Claims7
A pump assembly comprising:
- an axial gap motor including a stator, a motor rotor, and a motor shaft;
- and
- a pump including a pump rotor configured to be rotated by the motor rotor and a pump housing configured to house the pump rotor,
- wherein the stator includes
- a yoke having an annular shape, and
- a plurality of teeth disposed on a first surface of the yoke,
- wherein the pump is disposed in an internal space surrounded by the plurality of teeth, and
- wherein the pump housing has
- a passage space formed in an interior of the pump housing, and
- a leak passage opened from the passage space toward the motor rotor.
7 more elements
Dependencies are inferred from the claim text.