Dual-Tub Laundry Machine Layout for Small Loads and Delicates
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Solution Overview
Problem
Conventional laundry machines are inconvenient due to low inlet heights, require excessive energy and water for large loads, and are not suitable for washing delicate items, leading to inefficiencies and potential sanitation issues with prolonged laundry storage.
Innovation Solution
A laundry machine design featuring a raised inlet and two independently operable washing tubs, with a fixing member to secure the second tub during movement, allowing for efficient washing based on laundry quantity and type, and reducing vibration and safety risks during transport.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the inlet height is raised to improve user convenience, then the inlet position is improved, but the structural complexity increases
Solution Approach 1:
The patent introduces a vertical dimension by raising the inlet position through a support structure that elevates the washing tub above the cabinet base. This dimensional change allows the inlet to reach a convenient height without complicating the horizontal structural layout, resolving the contradiction between ease of operation and structural complexity.
2Adaptability or versatility
If a large-sized laundry machine is used to wash various types of laundry, then the versatility is improved, but the energy consumption increases
Solution Approach 1:
The patent divides the washing system into two separate washing tubs: a first washing tub for regular laundry and a second washing tub for delicate items. This segmentation allows users to wash different types of laundry simultaneously in appropriate tubs, maintaining versatility while reducing energy consumption by avoiding the need to run a large machine for small or delicate loads.
Solution Approach 2:
The patent applies local quality by providing specialized washing conditions in the second washing tub for delicate items, while the first washing tub handles regular laundry. This localized differentiation allows each tub to be optimized for its specific purpose, enabling versatile washing capabilities without requiring the entire system to operate at high energy consumption levels.
3Productivity
If a large-sized laundry machine is used to wash small amount of laundry, then the washing capability is maintained, but the water consumption increases
Solution Approach 1:
The patent segments the washing capacity into two tubs of different sizes, allowing the second washing tub to handle small amounts of laundry efficiently. This segmentation enables proportional water usage matched to the actual laundry volume, eliminating the water waste that occurs when a large machine is used for small loads.
4Ease of manufacture
If the second washing tub is not fixed during movement, then the ease of assembly is improved, but the reliability decreases
Solution Approach 1:
The patent implements a dynamic fixing mechanism where the second washing tub can be easily assembled and disassembled when not in use, but is automatically secured during transport through vibration-activated engagement. This dynamic behavior allows the system to transition between ease of assembly and reliability as needed, resolving the contradiction between these two parameters.
Data Source
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AI summary
The present invention relates to a laundry machine capable of washing or drying the laundry. According to the present invention, there is provided a laundry machine comprising: a first washing tub (120) provided in a cabinet (110); a housing (210) having a space formed therein, drawable from the cabinet or held in the cabinet; a second washing tub (220) provided in the housing to receive a laundry separately from the first washing tub; and a fixing member (250) fixing a second washing tub to restrict a moving of the second washing tub.