Detergent dispenser for improved detergent removal

• US 8,608,866 B2
• Filed: 12/01/2011
• Issued: 12/17/2013
• Est. Priority Date: 12/02/2010
• Status: Active Grant

• Current Assignee: Electrolux Home Products Incorporated (AB Electrolux)
• Original Assignee: Electrolux Home Products Incorporated (AB Electrolux)
• Inventors: Francisco, Virgil J., Montgomery, Mark D., Patterson, Jason M., Pike, Michael Bryan, Rodriguez, Ramon
• Primary Examiner(s): Barr, Michael
• Assistant Examiner(s): Bucci, Thomas
• Application Number:
  US13/308,948
• Publication Number:
  US 20120138101A1
• Time in Patent Office: 747 Days
• Field of Search: 134/56.D, 134/57.D, 134/58.D, 134/93, 134/104.1, 134/114, 134/117, 134/6, 134/92, 222/651, 222/129, 222/160, 222/173, 222/504, 222/511, 222/109, 222/132, 222/181.3, 222/184, 222/517, 68/17.R, 68/121.8, 68/120.2, 68/120.5, 68/121.2, 68/121.6, 68/13.R, 68/17.A, 682/07
• US Class Current: 134/56.D
• CPC Class Codes: A47L 15/0028 Washing phases
• CPC Class Codes: A47L 15/0049 Detection or prevention of malfunction, including accident prevention arrangements to prevent clogging of filters A47L15/4208; safety arrangements for preventing water damage A47L15/421
• CPC Class Codes: A47L 15/4409 by tipping containers or opening their lids, e.g. with the help of a programmer
• CPC Class Codes: A47L 15/4436 in the form of a detergent solution made by gradually dissolving a powder detergent cake or a solid detergent block
• CPC Class Codes: A47L 2501/07 Consumable products, e.g. detergent, rinse aids or salt
• CPC Class Codes: A47L 2501/20 Spray nozzles or spray arms

Abstract

Embodiments of the present invention are related to a detergent dispenser configured to attach to an interior surface of a dishwasher door. The detergent dispenser may comprise a reservoir configured to hold detergent, wherein a portion of the upper wall of the reservoir has been removed to reduce a cross-sectional length thereof such that water flowing down the dishwasher door is encouraged into the reservoir. The detergent dispenser may also comprise a dispenser door comprising a closed configuration and an open configuration, wherein the dispenser door is configured to cover the reservoir in the closed configuration. The detergent dispenser may be configured to encourage water flowing down the interior surface of the dishwasher door to enter the reservoir when the dispenser door is in the open or closed configuration.

Claims

1. A dishwasher comprising:

a tub defining a top and a bottom;

a door hingedly connected to the tub and configured to pivot between an open position and a closed position, wherein the door further comprises an interior surface configured to face the tub when the door is in the closed position;

at least one spray arm configured to provide water within the tub; and

a detergent dispenser defining a top and a bottom, wherein the detergent dispenser is positioned on the interior surface of the door such that the top of the detergent dispenser is configured to generally face the top of the tub when the door is in the closed position, wherein the detergent dispenser comprises;

a reservoir configured to contain detergent therein; and

a wall extending outwardly from the reservoir and at least partially around the reservoir, wherein at least a portion of the wall proximate the top of the detergent dispenser is removed to reduce a cross-sectional length thereof such that water flowing down the interior surface of the dishwasher door is encouraged into the reservoir.

2. The dishwasher according to claim 1, wherein the detergent dispenser further comprises a dispenser door configured to move between a closed configuration and an open configuration, wherein the dispenser door is further configured to cover the reservoir in the closed configuration, and wherein the detergent dispenser is configured to encourage water flowing down the interior surface of the door into the reservoir when the dispenser door is in the open configuration.

3. The dishwasher according to claim 1, wherein the detergent dispenser further comprises a dispenser door configured to move between a closed configuration and an open configuration, wherein the dispenser door is further configured to cover the reservoir in the closed configuration, and wherein the detergent dispenser is configured to encourage water flowing down the interior surface of the door into the reservoir when the dispenser door is in the closed configuration.

4. The dishwasher according to claim 1, wherein the dispenser further comprises a curved surface extending at least partially between the interior of the dishwasher door and the reservoir and configured to encourage water flowing down the interior surface of the door into the detergent dispenser.

5. The dishwasher according to claim 1, wherein the detergent dispenser further comprises a dispenser door configured to move between a closed configuration and an open configuration, wherein the dispenser door is further configured to cover the reservoir in the closed configuration to create a water-tight seal therebetween.

6. The dishwasher according to claim 5, wherein the dispenser door comprises a rib configured to engage the dispenser reservoir in the closed configuration to create a water-tight seal therebetween and disengage the dispenser reservoir in the open configuration to allow water flowing down the interior surface of the door to enter the dispenser reservoir.

7. The dishwasher according to claim 1, wherein the reservoir comprises a sloped upper surface configured to encourage water into the reservoir and a sloped lower surface configured to encourage detergent out of the reservoir.

8. The dishwasher according to claim 1, wherein the reservoir defines a width and the removed portion of the wall defines a width, and wherein the width of the removed portion of the wall is less than the width of the reservoir.

9. The dishwasher according to claim 8, wherein the removed portion of the wall defines a width between about 86-100% of the width of the reservoir.

10. The dishwasher according to claim 8, wherein the removed portion of the wall defines a width between about 2 and 2.3 inches.

11. The dishwasher according to claim 8, wherein the wall comprises a pair of radial edges, the radial edges disposed on opposite sides of the reservoir from one another, and wherein the width of the removed portion extends between the radial edges.

12. A detergent dispenser for a dishwasher, wherein the dishwasher comprises a tub defining a top and a bottom and a door defining an open position and a closed position, wherein the detergent dispenser defines a top and a bottom, wherein the detergent dispenser is configured to be positioned on an interior surface of a door of the dishwasher such that the top of the detergent dispenser is configured to face the top of the tub of the dishwasher when the door is in the closed position, wherein the detergent dispenser comprises:

a reservoir configured to contain detergent therein; and

a wall extending outwardly from the reservoir and at least partially around the reservoir, wherein at least a portion of the wall proximate the top of the detergent dispenser has been removed to reduce a cross-sectional length thereof such that water flowing down an interior surface of the dishwasher door is encouraged into the reservoir.

13. The detergent dispenser according to claim 12 further comprising a dispenser door configured to move between a closed configuration and an open configuration, wherein the dispenser door is configured to cover the reservoir in the closed configuration, and wherein the detergent dispenser is configured to encourage water flowing down the interior surface of the dishwasher door into the reservoir when the dispenser door is in the open configuration.

14. The detergent dispenser according to claim 12 further comprising a dispenser door comprising a closed configuration and an open configuration, wherein the dispenser door is configured to cover the reservoir in the closed configuration, and wherein the detergent dispenser is configured to encourage water flowing down the interior surface of the dishwasher door into the reservoir when the dispenser door is in the closed configuration.

15. The detergent dispenser according to claim 12, wherein the reservoir comprises a sloped upper surface configured to encourage water into the reservoir.

17. The detergent dispenser according to claim 12, wherein the dispenser further comprises a curved surface extending at least partially between the interior of the dishwasher door and the reservoir and configured to encourage water flowing down the interior surface of the door into the detergent dispenser.

18. The detergent dispenser according to claim 12 further comprising a dispenser door configured to move between a closed configuration and an open configuration, wherein the dispenser door is further configured to cover the reservoir in the closed configuration to create a water-tight seal therebetween.

19. The detergent dispenser according to claim 18, wherein the dispenser door comprises a rib configured to engage the dispenser reservoir in the closed configuration to create a water-tight seal therebetween and disengage the dispenser reservoir in the open configuration to allow water flowing down the interior surface of the door to enter the dispenser reservoir.

20. The detergent dispenser according to claim 12, wherein the reservoir defines a width and the removed portion of the wall defines a width, and wherein the width of the removed portion of the wall is less than the width of the reservoir.

16. A method comprising:

providing a dishwasher comprising;

a tub defining a top and a bottom;

a door hingedly connected to the tub and configured to pivot between an open position and a closed position, wherein the door further comprises an interior surface configured to face the tub when the door is in the closed position;

at least one spray arm configured to provide water within the tub; and

positioning a detergent dispenser defining a top and a bottom on the interior surface of the door such that the top of the detergent dispenser is configured to generally face the top of the tub when the door is in the closed position, wherein the detergent dispenser comprises a reservoir configured to hold detergent and a wall extending outwardly from the reservoir and at least partially around the reservoir, wherein at least a portion of the wall proximate the top of the detergent dispenser has been removed to reduce a cross-sectional length thereof

such that, during operation of the dishwasher, water flowing down the interior surface of the dishwasher door is encouraged into the reservoir.