Method for operating a laundry washing device

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Solution Overview

Problem

Laundry washing machines require users to manually select operating programs and parameters, which can be time-consuming and inefficient, especially as user habits and laundry quantities change over time.

Innovation Solution

A method and device that automatically determine the quantity of laundry, select the most frequently used operating program based on prior usage, and display associated parameters, allowing for easy operation with options to modify settings for optimal washing results.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If the user manually selects operating programs and parameters, then the user can control washing settings, but the operation becomes time-consuming and inefficient

Engineering Contradiction:
Improveease of operationVSAvoidtime consumption
Core Design Contradiction:
Ease of operationVSLoss of time

Solution Approach 1:

The washing machine automatically determines the quantity of laundry and selects the operating program based on historical usage data, enabling the system to serve itself by making intelligent decisions without requiring manual user input for program selection

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The system stores and analyzes historical usage data from previous wash cycles, using this feedback information to automatically select the most frequently used program for the current laundry quantity, thereby learning from past user preferences

Inventive Principle:
Principle #23Feedback

2Adaptability or versatility

If the washing machine offers fixed predetermined programs, then the device complexity is reduced, but the adaptability to user habits and changing laundry quantities is limited

Engineering Contradiction:
ImproveadaptabilityVSAvoiddevice complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The system pre-stores multiple operating programs with their associated parameters in memory before operation, organized by laundry quantity ranges, enabling rapid automatic selection without real-time computation or complex processing during the wash cycle initiation

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The system varies the selected operating program and its parameters based on the determined laundry quantity and historical usage patterns, dynamically adjusting washing settings to match both the load size and user preferences

Inventive Principle:
Principle #35Parameter changes

Data Source

PatentEP3333298B1Method for operating a laundry washing device
Publication Date: 2019.10.16 GRP BRANDT
  • EP3333298B1 patent drawingFigure 1
  • EP3333298B1 patent drawingFigure 2
  • EP3333298B1 patent drawingFigure 3

AI summary

Laundry washing apparatus (1) and method of operating said apparatus, said operating method comprising steps of determining (E1) an amount of laundry inside the laundry washing apparatus (1), and selection (E2), by the washing appliance, of an operating program taking into account the quantity of laundry determined, the selection (E2) comprises the determination (E1) of the operating program having been used most frequently for the determined amount of laundry in a predetermined number of prior operations of the laundry washing appliance (1).