Kitchen appliance for cooking/heating food, equipped with a top rail

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Solution Overview

Problem

Existing kitchen appliances with top rails obstruct the visibility and usability of control and display devices, making it difficult to monitor cooking parameters like temperature and time, leading to improper cooking.

Innovation Solution

A kitchen appliance design featuring a rail that surrounds the worktop with integrated display and control devices, allowing for optimal information visibility and user-friendly operation, where the rail is preferably fixed to the cabinet or worktop and may include touch screen interfaces for controlling heating elements.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Area of stationary object

If a top rail is added to increase working surface area, then the holding surface is improved, but the visibility of control devices is worsened

Engineering Contradiction:
Improveworking surface areaVSAvoidvisibility of control devices
Core Design Contradiction:
Area of stationary objectVSLoss of information

Solution Approach 1:

The display device is moved from the traditional front panel location to the top rail, utilizing the vertical dimension above the worktop. This spatial relocation allows the display to be visible without obstructing control devices on the front panel, resolving the contradiction between increased working surface area and control device visibility.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

2Area of stationary object

If a top rail is added to increase working surface area, then the holding surface is improved, but the usability of control devices is worsened

Engineering Contradiction:
Improveholding surfaceVSAvoidusability of control devices
Core Design Contradiction:
Area of stationary objectVSEase of operation

Solution Approach 1:

By relocating the display device to the top rail in the vertical dimension, the control devices on the front panel remain fully accessible and visible, maintaining ease of operation while providing additional holding surface area through the top rail structure.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

3Device complexity

If control devices are placed on the front panel, then the appliance structure is simplified, but the information visibility is worsened when a top rail is present

Engineering Contradiction:
Improveappliance structureVSAvoidinformation visibility
Core Design Contradiction:
Device complexityVSLoss of information

Solution Approach 1:

The appliance interface is segmented into two distinct locations: control devices remain on the front panel for simplified structure, while the display device is separated and placed on the top rail for optimal visibility. This segmentation allows both requirements to be satisfied simultaneously without increasing overall device complexity.

Inventive Principle:
Principle #1Segmentation

Data Source

PatentEP3460335B1Kitchen appliance for cooking/heating food, equipped with a top rail
Publication Date: 2021.01.20 ELECTROLUX PROFESSIONAL SPA
  • EP3460335B1 patent drawingFigure 1A~1B
  • EP3460335B1 patent drawingFigure 1C~1D
  • EP3460335B1 patent drawingFigure 2A~2C

AI summary

The invention relates a kitchen appliance (1; 101; 201; 301; 401; 501; 601; 701) comprising a cabinet (2) and a worktop (10) having one or more heating elements (12a, 12b). A rail (20; 420; 620) surrounds at least a portion of the perimeter of the worktop (10) and comprises at least one display device (40a; 40b).