Laundry Refresher Air and Steam Control for Delicate Fabrics
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Solution Overview
Problem
Conventional laundry refreshers pose limitations due to high-temperature heated air causing fabric deformation in delicate fabrics like wool and silk, and require separate steam and heated air supply devices, resulting in high costs and limited functionality.
Innovation Solution
A laundry refresher unit with a cabinet containing a steam generator and a heated air supply device using a condensation type heat pump to provide air at various temperature ranges, allowing for selective supply of room, middle, and high-temperature dry air, and optional steam, which can be integrated into existing closets for low-cost and versatile use.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If high-temperature heated air is supplied to laundry, then wrinkle removal effect is improved, but fabric deformation occurs in delicate fabrics
Solution Approach 1:
The patent applies parameter changes by providing multiple temperature ranges (first, second, and third temperature ranges) instead of a single high temperature. The control unit selects appropriate temperature levels based on fabric type, transforming the heating parameter from fixed to variable to prevent fabric damage while maintaining wrinkle removal effectiveness.
Solution Approach 2:
The system dynamically adjusts air temperature based on detected laundry type. The control unit changes operating conditions in real-time, switching between different temperature ranges depending on whether the laundry is delicate (wool, silk) or durable (cotton, linen), making the temperature adaptive rather than static.
2Adaptability or versatility
If separate steam supply device and heated air supply device are provided, then functionality is improved, but device complexity and cost increase
Solution Approach 1:
The patent merges the steam supply device and heated air supply device into a single integrated apparatus. Both functions share common components including the cabinet, control unit, and installation space, reducing overall device complexity while maintaining separate operational capabilities for steam treatment and heated air treatment.
Solution Approach 2:
The integrated device performs multiple functions (steam supply and heated air supply) within a single unit. The system can selectively provide either steam or heated air based on laundry requirements, making the device universal and eliminating the need for separate standalone devices.
3Power
If conventional air heating methods are used, then heating capability is improved, but temperature control precision deteriorates
Solution Approach 1:
The patent divides the heating range into three distinct temperature ranges with specific boundaries. This parameter segmentation allows precise control by selecting which range to activate, preventing unintended temperature levels that could damage fabrics while ensuring sufficient heat for effective wrinkle removal when needed.
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
Enables efficient and cost-effective laundry refreshing for various fabrics by providing controlled temperature air and steam without the need for separate devices, reducing fabric damage and production costs, and allowing use in different types of clothing.
Implementation Method 1
a heated air supply device provided in the cabinet to heat air drawn through an air inlet
Implementation Method 2
a steam generator provided in the cabinet to selectively supply steam outside the cabinet through a steam outlet
Data Source
AI summary
The present invention relates to a laundry refresher unit that can selectively supply various types of dry air as well as steam to laundry, and a laundry treating apparatus having the laundry refresher unit. A laundry refresher unit includes a cabinet that defines an exterior thereof, wherein an air path is formed in the cabinet; a steam generator provided in the cabinet to selectively supply steam outside the cabinet through a steam outlet; and a heated air supply device provided in the cabinet to heat air drawn through an air inlet, such that the air having at least three temperature ranges is supplied outside the cabinet through the air outlet. A laundry treating apparatus includes a laundry refresher unit that includes a cabinet, a steam generator and a heated air supply device.