Back to results
US 11,672,402 B2Granted
Blade and pump impeller assembly for a dishwasher
AssigneeWhirlpool Corporation
InventorsPritish Roy, Todd Michael Jozwiak, John Joseph Burns
Life of this patent
Estimating the term…
Abstract
An impeller for a pump for a dishwasher having a base with an axis of rotation, and at least one fin protruding from the base. The impeller also has a cap removably coupled to the impeller and at least one blade integrally formed with the cap.
Claims19
An impeller for a pump for a dishwasher comprising:
- a cylindrical base having an axis of rotation and at least one fin protruding from the base in a radial direction;
- the base further comprising one or more securing elements positioned adjacent the at least one fin and protruding radially from the base;
- a cylindrical cap having an upper portion comprising a plurality of blades extending around a periphery of the cap and a profile of the plurality of blades comprising a sinusoidal shape, and wherein each of the plurality of blades has an outwardly arched profile and the plurality of blades is integrally formed with the cylindrical cap, and, the cylindrical cap further comprises a lower portion comprising one or more mounting apertures complimentary in shape to the one or more securing elements on the base for removably coupling the cap to the impeller;
- wherein the cap press fits over the impeller such that the one or more securing elements engage the one or more mounting apertures in the cap and securely mounts the cap to the impeller.
1 more element
An impeller for a pump for a dishwasher comprising:
- a cover and a base with an axis of rotation and with at least one fin protruding from the base;
- the cover comprising one or more securing elements protruding from the cover and having a shape;
- a cap comprising at least one blade integrally formed with the cap and comprising one or more mounting apertures complimentary in shape to the shape of the one or more securing elements on the cover for removably coupling the cap to the impeller;
- wherein the cap press fits over the cover such that the one or more securing elements protrude through the one or more mounting apertures in the cap and upon twisting the cap, the one or more securing elements contact a top planar surface of the cap axially compressing the cap to the impeller.
1 more element
Dependencies are inferred from the claim text.