Modular Steam Unit Assembly for Washers and Dryers
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Solution Overview
Problem
The complexity and cost associated with equipping domestic appliances like dryers and washing machines with steam-producing systems are high due to intricate assembly requirements, extensive logistics, and costly maintenance, particularly because the steam system components need careful placement and assembly for each appliance type.
Innovation Solution
A modular steam unit design for domestic appliances, including a steam generator, pump, water reservoir, safety device, and electronic controlling device, which can be easily mounted and dismounted using quick release fasteners and electric wrap connections, allowing for universal placement and easy retrofitting.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a steam producing system is equipped in a domestic appliance, then steam treatment functionality is improved, but device complexity increases
Solution Approach 1:
The steam producing system is divided into separate modular components including a steam generator module, water reservoir, and control unit. Each module can be independently manufactured, assembled, and replaced, reducing overall system complexity while maintaining full steam treatment functionality.
Solution Approach 2:
The steam generator module is designed as a universal component that can be integrated into different types of domestic appliances (dryers, washing machines, ironing appliances). This standardized module serves multiple functions across different appliance types, reducing the need for appliance-specific customizations.
2Manufacturing precision
If steam system components are carefully placed and assembled for each appliance type, then manufacturing precision is improved, but ease of manufacture deteriorates
Solution Approach 1:
The steam generator module is pre-assembled with all necessary components (heating element, pump, control electronics) integrated and pre-positioned in the correct configuration. This preliminary assembly ensures precise component placement while simplifying the final installation process, as the entire module is installed as a single unit rather than assembling individual components on-site.
3Ease of repair
If steam system components are disassembled and reassembled for maintenance, then ease of repair is improved, but loss of time increases
Solution Approach 1:
The steam generator module is designed as an extractable unit that can be quickly removed from the appliance without disassembling other components. If maintenance or replacement is needed, the entire module is extracted and replaced as a single unit, eliminating the time-consuming process of disassembling and reassembling individual internal components while maintaining ease of repair.
4Ease of manufacture
If a modular steam unit design is used, then ease of manufacture is improved, but device complexity increases
Solution Approach 1:
The modular steam generator module employs a nested structure where smaller functional components (pump, heating element, control circuitry) are integrated within the main module housing. This nested design consolidates multiple functions into a compact unit that appears simple externally but contains sophisticated internal arrangements, achieving ease of manufacture through standardized modules while managing internal complexity efficiently.
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
This modular design simplifies assembly and maintenance, reduces logistics complexity, and lowers costs by enabling quick and universal integration of steam functionality into various appliance types, facilitating efficient steam treatment of textiles while minimizing service efforts.
Implementation Method 1
a steam unit for producing water steam, especially hot or superheated steam
Implementation Method 2
the modular steam unit comprises a steam generator. Also it can comprise a pump
Data Source
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AI summary
The invention relates to a domestic appliance (1), especially to a dryer or a washing machine. To facilitate the equipment of the appliance with a possibility for steam treatment the invention proposes that the appliance has a steam unit (2) for producing water steam, especially hot or superheated steam, which is fed to a treatment area (3), especially to a drum, wherein the steam unit (2) is constructed as a module.