Centrifugal pump diffuser housings
AssigneeHaier US Appliance Solutions, Inc.
InventorsKyle Edward Durham, Adam Christopher Hofmann
Life of this patent
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Abstract
An appliance includes a tub defining a wash chamber, and a centrifugal pump in fluid communication with the wash chamber. The centrifugal pump includes a motor housing, a motor disposed in the motor housing, and a fluid impeller coupled to the motor. A diffuser housing assembly includes a first diffuser housing portion and a second diffuser housing portion. The first diffuser housing portion includes a groove and the second diffuser housing portion includes an extrusion. A diffuser vane is positioned on the motor housing. The diffuser vane engages in the groove of the first diffuser housing portion. The extrusion of the second diffuser housing portion encloses the diffuser vane into the diffuser housing assembly.
Claims14
An appliance, comprising;
- a tub defining a wash chamber;
- and
- a pump in fluid communication with the wash chamber, the pump comprising
- a motor housing,
- a motor disposed in the motor housing,
- a fluid impeller coupled to the motor,
- a diffuser housing assembly that comprises a first diffuser housing portion and a second diffuser housing portion, the first diffuser housing portion comprising a groove, the second diffuser housing portion comprising an extrusion, and
- a diffuser vane positioned on the motor housing, the diffuser vane engaging in the groove of the first diffuser housing portion, the extrusion of the second diffuser housing portion enclosing the diffuser vane into the diffuser housing assembly,
- wherein an edge of the groove of the first diffuser housing portion is rounded to an interior surface of the first diffuser housing, and
- wherein an edge of the extrusion of the second diffuser housing portion is rounded to an interior surface of the second diffuser housing.
A centrifugal pump, comprising:
- a motor housing;
- a motor disposed in the motor housing;
- a fluid impeller coupled to the motor;
- a diffuser housing assembly that comprises a first diffuser housing portion and a second diffuser housing portion, the first diffuser housing portion comprising a groove, the second diffuser housing portion comprising an extrusion;
- and
- a diffuser vane positioned on the motor housing, the diffuser vane engaging in the groove of the first diffuser housing portion, the extrusion of the second diffuser housing portion sealingly enclosing the diffuser vane into the diffuser housing assembly,
- wherein an edge of the groove of the first diffuser housing portion is rounded to an interior surface of the first diffuser housing, and
- wherein an edge of the extrusion of the second diffuser housing portion is rounded to an interior surface of the second diffuser housing.
Dependencies are inferred from the claim text.