Dishwasher Tablet Doser Grid for Complete Detergent Dissolution

Resolve Bottlenecks,
Find Innovative Solutions
Generate Solutions

Solution Overview

Problem

Detergent tablets in dishwashers with multiple place settings often do not fully dissolve due to improper placement in the dishwasher, leading to incomplete washing and unpleasant results.

Innovation Solution

A doser with a grid-shaped part that slides along horizontal guides to retain the detergent tablet during washing, ensuring it dissolves completely by allowing water passage and maintaining the tablet within the doser until fully dissolved.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If the detergent tablet is placed in a conventional doser with open door, then the tablet can be easily accessed and inserted, but the tablet falls into an unsuitable zone and does not dissolve completely

Engineering Contradiction:
Improvecomplete dissolution of tabletVSAvoidtablet placement simplicity
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

A grid-shaped part is introduced as an intermediary element between the tablet and the washing zone. This grid retains the tablet in a controlled position within the doser during the wash cycle, allowing water to flow through while preventing the tablet from falling into unsuitable zones, thus ensuring complete dissolution

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The door of the doser is designed to be dynamically controlled - closed during the wash cycle to contain the tablet and grid assembly, then opened to allow access for tablet insertion. This dynamic behavior ensures the tablet remains in the optimal position for dissolution while maintaining ease of operation

Inventive Principle:
Principle #15Dynamics

2Reliability

If the door of the doser is opened to output the tablet, then the tablet can reach the washing zone, but it falls to the bottom or outside the washing tank where dissolution is incomplete

Engineering Contradiction:
Improvetablet dissolution completenessVSAvoiddoser structure complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The grid-shaped part serves as a mediator that controls the tablet's interaction with the washing zone. It allows water to pass through to dissolve the tablet while preventing the tablet from falling to the bottom or outside the tank, achieving reliable dissolution without complex mechanisms

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The doser is segmented into functional zones: the hollow part for tablet storage, the grid-shaped retention structure, and the controlled opening mechanism. This segmentation allows each component to perform its specific function - storage, retention, and controlled release - ensuring complete dissolution while maintaining manageable device complexity

Inventive Principle:
Principle #1Segmentation

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

Ensures complete dissolution of detergent tablets during the wash cycle, enhancing the cleaning effectiveness of dishwashers with multiple place settings.

Implementation Method 1

a grid-shaped part (15) associated with the hollow part (10) when the door (11) is opened, wherein the grid-shaped part (15) retains in the seat (10) the tablet of detergent (20)

Methodology Applied
Scientific EffectPhysical containment through grid structure: Physical Containment

Data Source

PatentEP2138088B1Detergent tablet dispenser for dishwasher
Publication Date: 2011.09.21 CANDY
  • EP2138088B1 patent drawingFigure 1
  • EP2138088B1 patent drawingFigure 2~6
  • EP2138088B1 patent drawingFigure 7~11

AI summary

There is disclosed a doser of detergent tablets (20) for dishwashers; the dishwasher comprises means (7) for washing crockery and the doser comprises a hollow part (10) for housing the tablet of detergent, a door (11, 110, 26) for closing the hollow part and opening means for opening the door during washing of the crockery. The doser comprises a grille-shaped part (15, 25, 35, 45) suitable for containing said tablet of detergent (20) during washing of the crockery with said door (11, 110, 26) open, said grille-shaped part comprising openings (16) for the flow and draining of the washing water (Figure 2)