IP Library Granted Patent US 10,716,449
Granted Patent B2
US 10,716,449 · App. 15/927,377 · Granted Jul 21, 2020

Low profile 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 10,716,449
App. No.
15/927,377
Granted
Jul 21, 2020
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, a spray system providing treating liquid to the treating chamber, a low profile 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 and 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 below the bottom wall, the spray tube having nozzles emitting spray into the depending portion.

Claims (32)

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 nook below the bottom wall and the depending portion is 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 nook below the bottom wall, the 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 height of the depending portion.

2. The dishwasher of claim 1 wherein the at least one spray tube is further positioned within a vertical height of the depending portion.

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

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

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

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

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

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

9. The dishwasher of claim 8 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.

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

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

12. 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 low profile 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 and 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 below the bottom wall, the spray tube having a non-circular cross-sectional shape having nozzles emitting spray into the depending portion.

13. The dishwasher of claim 12 wherein the at least one spray tube is positioned within a vertical height of the dish rack.

14. The dishwasher of claim 13 wherein the at least one spray tube is further positioned within a vertical height of the depending portion.

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

16. The dishwasher of claim 12 wherein the at least one spray tube is rotatable about a longitudinal axis of rotation.

17. The dishwasher of claim 16 wherein the longitudinal axis of rotation is parallel to the bottom wall.

18. The dishwasher of claim 12 wherein the at least one spray tube is static.

19. The dishwasher of claim 12 wherein the non-circular spray tube has at least two faces and the nozzles are provided on at least two of the faces.

20. The dishwasher of claim 19 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.

21. The dishwasher of claim 12 further comprising a second spray tube carried by the dish rack, located below the bottom wall, and positioned within a vertical height of the depending portion.

22. The dishwasher of claim 21 wherein the second spray tube comprises nozzles emitting at least some spray along at least the bottom wall.

23. The dishwasher of claim 12 wherein the depending portion and the bottom wall define a nook located below the bottom wall, and the spray tube is located within the nook.

Assignments (3)
CORRECTIVE ASSIGNMENT TO CORRECT THE APPLICATION NUMBER 15927737 PREVIOUSLY RECORDED AT REEL: 045766 FRAME: 0223. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT . Recorded Feb 7, 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 051843/0396 →
CORRECTIVE ASSIGNMENT TO CORRECT THE THIRD ASSIGNOR'S FIRST NAME PREVIOUSLY RECORDED ON REEL 045301 FRAME 0949. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT. Recorded Mar 29, 2018
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 045766/0223 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 21, 2018
From: BALINSKI, STEVEN B.; BRIGHTBILL, DAVID JASON; RODERICK, FEDERICK THOMAS; FERENCEVICH, JOSEPH T.; ROTH, RYAN KEVIN; SNELL, WILLIAM J.; NAIK, SUJIT S.; FEDDEMA, MARK S.
To: WHIRLPOOL CORPORATION
Reel/Frame 045301/0949 →
Continuity (1)
Related Publication 20190290094A1 · Sep 26, 2019
Cited By (6)
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