IP Library › Granted Patent US 11,585,038
Granted Patent B2
US 11,585,038 · App. 16/690,434 · Granted Feb 21, 2023

Laundry treating appliance with a filter

Inventors: Marcos Javier Rios Acebal (Monterrey, MX); Arun Rajendran (St. Joseph, MI)
Assignee: Whirlpool Corporation
D06F39/10D06F25/00D06F58/22D06F58/24
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Quick Facts
Patent No.
US 11,585,038
App. No.
16/690,434
Granted
Feb 21, 2023
Kind
B2
Abstract

A laundry treating appliance comprising a tub with a tub access opening, a rotatable drum located within the tub and partially defining a treating chamber, a drying air duct having an inlet formed in the tub and defining a cross-sectional area of the inlet, and a filter overlying the inlet and having a surface area greater than the cross-sectional area of the drying air duct.

Claims (15)

1. A combination washer/dryer comprising:

a tub defining a tub interior with a tub access opening;

a rotatable drum located within the tub interior and defining a treating chamber with a treating chamber access opening;

a drying air duct having an inlet formed in the tub, the inlet defining a cross-sectional area; and

a filter having a front face, the front face defining a plurality of openings collectively defining an aggregate opening area, the front face overlying the inlet and having a surface area greater than the cross-sectional area of the inlet, wherein the aggregate opening area of the front face is equal to or greater than the cross-sectional area of the inlet, the filter further comprising a seat portion extending past the inlet into the drying air duct and terminating at a portion of a rear wall of the drying air duct opposing the inlet and spaced from the tub.

2. The combination washer/dryer of claim 1 , wherein the front face of the filter comprises a mesh.

3. The combination washer/dryer of claim 2 , wherein the openings are 1500 microns or smaller.

4. The combination washer/dryer of claim 1 , wherein the front face of the filter is dome-shaped defining a dome apex.

5. The combination washer/dryer of claim 4 , wherein the dome apex is located exteriorly of the drying air duct.

6. The combination washer/dryer of claim 5 , wherein the dome apex is spaced from the drum.

7. The combination washer/dryer of claim 1 , wherein the front face of the filter is convex.

8. The combination washer/dryer of claim 7 , wherein at least a portion of the front face of the filter lies exteriorly of the drying air duct.

9. The combination washer/dryer of claim 1 , wherein the inlet and the seat portion comprise the same shape.

10. The combination washer/dryer of claim 1 , wherein the seat portion has a smaller cross-sectional area than the cross-sectional area of the inlet.

11. The combination washer/dryer of claim 1 , wherein the seat portion defines openings therethrough.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Nov 21, 2019
From: RIOS ACEBAL, MARCOS JAVIER; RAJENDRAN, ARUN
To: WHIRLPOOL CORPORATION
Reel/Frame 051075/0093 →
Continuity (1)
Related Publication 20210156070A1 · May 27, 2021