Laundry appliance and drain pump housing
AssigneeHaier US Appliance Solutions, Inc.
InventorsAlexander B. Leibman, Sanjay Yadav Majjath
Life of this patent
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Abstract
A laundry appliance includes a drain pump housing positioned in fluid communication with a tub mounted within an interior of a cabinet. The housing has a unitary, monolithic structure including a synthetic rubber material. The housing has a first opening, a second opening, and an interior wall forming a plenum positioned fluidly between the first opening and the second opening. The interior wall extends in spiral arrangement relative to a centerline axis around an impeller positioned in the plenum. A pump assembly includes the impeller rotatably coupled to a driveshaft. The impeller and driveshaft are rotatable relative to the centerline axis.
Claims13
A laundry appliance, comprising:
- a cabinet defining an interior;
- a tub mounted within the interior of the cabinet;
- a laundry basket rotatably mounted within the tub, the laundry basket defining a chamber for the receipt of laundry articles;
- a drain pump housing positioned in fluid communication with the tub, the housing comprising a unitary, monolithic structure formed completely of a synthetic rubber material, the housing comprising a first opening, a second opening, and an interior wall forming a plenum positioned fluidly between the first opening and the second opening, wherein the interior wall extends in spiral arrangement relative to the centerline axis around the impeller positioned in the plenum;
- and
- a pump assembly comprising an impeller rotatably coupled to a driveshaft, the impeller and driveshaft rotatable relative to a centerline axis, wherein the centerline axis extends through the first opening, and wherein the interior wall extends in spiral arrangement from the second opening to a minimum flowpath area, wherein the impeller is positioned in the plenum.
Dependencies are inferred from the claim text.