IP Library Granted Patent US 11,395,574
Granted Patent B2
US 11,395,574 · App. 16/903,599 · Granted Jul 26, 2022

Dish rack and wash assembly for dishwasher

Inventors: Steven B. Balinski (Saint Joseph, MI); David Jason Brightbill (Benton Harbor, MI); Frederick Thomas Roderick (Coloma, MI); Joseph T. Ferencevich (Saint Joseph, MI); Ryan Kevin Roth (Saint Joseph, MI); William J. Snell (Elkhart, IN); Sujit S. Naik (Pune, IN); Mark S. Feddema (Kalamazoo, MI)
Assignee: Whirlpool Corporation
A47L15/0065A47L15/22A47L15/4214A47L15/4246A47L15/50
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Quick Facts
Patent No.
US 11,395,574
App. No.
16/903,599
Granted
Jul 26, 2022
Kind
B2
Abstract

A dishwasher for treating dishes according to an automatic cycle of operation can include a tub at least partially defining a treating chamber receiving dishes for treatment and a spray system providing treating liquid to the treating chamber. A dish rack is located in the tub and has a bottom wall and at least a side wall extending upwardly from the bottom wall. A depending portion extends downwardly from the bottom wall and is oriented at an angle to the bottom wall to define an incline angle. At least one spray tube is carried by the dish rack.

Claims (29)

1. A dishwasher for treating dishes according to an automatic cycle of operation, the dishwasher comprising:

a tub at least partially defining a treating chamber receiving dishes for treatment;

a spray system providing treating liquid to the treating chamber;

a dish rack located in the tub and having a bottom wall and at least a side wall extending upwardly from the bottom wall, with a depending portion extending downwardly from the bottom wall to define a vertical height of the depending portion, the depending portion oriented at an angle to the bottom wall to define an incline angle; and

at least one spray tube carried by the dish rack and located within the vertical height of the depending portion below the bottom wall, the at least one spray tube having nozzles emitting spray into the depending portion;

wherein the dish rack has a low profile with the height of the side wall being less than the vertical height of the depending portion.

2. The dishwasher of claim 1 wherein the at least one spray tube further comprises nozzles emitting at least some spray along the incline angle.

3. The dishwasher of claim 1 wherein the at least one spray tube is rotatable about a longitudinal axis of rotation.

4. The dishwasher of claim 3 wherein the longitudinal axis of rotation is parallel to the bottom wall.

5. The dishwasher of claim 1 wherein the at least one spray tube is static.

6. The dishwasher of claim 1 wherein the at least one spray tube is non-circular in cross-sectional shape.

7. The dishwasher of claim 6 wherein the at least one non-circular spray tube has at least two faces and the nozzles are provided on at least two of the faces.

8. The dishwasher of claim 7 wherein the nozzles on a first of the faces emit spray along the depending portion and the nozzles on a second of the faces emit spray along the bottom wall.

9. The dishwasher of claim 1 further comprising a second spray tube carried by the dish rack, located below the bottom wall, and positioned within the vertical height of the depending portion.

10. The dishwasher of claim 9 wherein the second spray tube comprises nozzles emitting at least some spray along at least the bottom wall.

11. A dishwasher for treating dishes according to an automatic cycle of operation, the dishwasher comprising:

a tub at least partially defining a treating chamber receiving dishes for treatment;

a spray system providing treating liquid to the treating chamber;

a dish rack located in the tub and having a bottom wall and at least a side wall extending upwardly from the bottom wall, with a depending portion extending downwardly from the bottom wall to define a vertical height of the depending portion, the depending portion oriented at an angle to the bottom wall to define an incline angle; and

at least one spray tube carried by the dish rack and located within the vertical height of the depending portion below the bottom wall, the at least one spray tube having nozzles emitting spray into the depending portion.

12. The dishwasher of claim 11 wherein the at least one spray tube further comprises nozzles emitting at least some spray along the incline angle.

13. The dishwasher of claim 11 wherein the at least one spray tube is rotatable about a longitudinal axis of rotation.

14. The dishwasher of claim 13 wherein the longitudinal axis of rotation is parallel to the bottom wall.

15. The dishwasher of claim 11 wherein the at least one spray tube is static.

16. The dishwasher of claim 11 wherein the at least one spray tube is non-circular in cross-sectional shape, the at least one non-circular spray tube having at least two faces and the nozzles are provided on at least two of the faces.

17. The dishwasher of claim 16 wherein the nozzles on a first of the faces emit spray along the depending portion and the nozzles on a second of the faces emit spray along the bottom wall.

18. The dishwasher of claim 11 further comprising a second spray tube carried by the dish rack, located below the bottom wall, and positioned within the vertical height of the depending portion.

19. The dishwasher of claim 18 wherein the second spray tube comprises nozzles emitting at least some spray along at least the bottom wall.

20. The dishwasher of claim 11 wherein the depending portion and the bottom wall define a nook located below the bottom wall, and the at least one spray tube is located within the nook.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 17, 2020
From: BALINSKI, STEVEN B.; BRIGHTBILL, DAVID JASON; RODERICK, FREDERICK THOMAS; FERENCEVICH, JOSEPH T.; ROTH, RYAN KEVIN; SNELL, WILLIAM J.; NAIK, SUJIT S.; FEDDEMA, MARK S.
To: WHIRLPOOL CORPORATION
Reel/Frame 052961/0116 →
Continuity (2)
Continuation 15927377 · Mar 21, 2018
Related Publication 20200305679A1 · Oct 1, 2020