Secondary drying chamber for a clothes dryer
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Solution Overview
Problem
Traditional clothes dryers often face limitations in accommodating multiple drying loads simultaneously, particularly in efficiently managing air flow and preventing laundry tangling within the primary drying chamber.
Innovation Solution
The introduction of a secondary drying chamber adjacent to the front wall, which allows for a separate air flow path and can hold non-tumbling laundry without interfering with the primary drying chamber, along with a scoop that deflects air to enhance airflow and prevent tangling, enabling the simultaneous drying of multiple loads.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a secondary drying chamber is added to accommodate multiple drying loads, then the drying capacity and versatility are improved, but the device complexity and air flow management difficulty increase
Solution Approach 1:
The drying chamber is divided into two independent sections: a primary drying chamber for tumbling laundry and a secondary drying chamber for non-tumbling laundry. Each chamber has its own air flow path, allowing simultaneous operation with different drying methods without interfering with each other, thus increasing versatility while maintaining manageable complexity through modular design
Solution Approach 2:
The secondary drying chamber is positioned within the cabinet structure adjacent to the front wall, effectively nesting it within the overall dryer assembly. This nested configuration allows the secondary chamber to utilize the available space without significantly increasing the external dimensions of the dryer, thereby adding capacity while controlling device complexity
2Adaptability or versatility
If a secondary drying chamber is added to hold non-tumbling laundry, then the versatility for different laundry types is improved, but the air flow path complexity increases
Solution Approach 1:
The air flow system is segmented into two distinct paths: a primary air flow path serving the primary drying chamber and a secondary air flow path serving the secondary drying chamber. Each path is independently configured with its own inlet, outlet, and circulation components, allowing separate optimization of air flow for different laundry types without creating complex interactions between the systems
Solution Approach 2:
The heating element and blower are designed to serve both drying chambers through the respective air flow paths. The heating element can heat air for either or both chambers, and the blower can circulate air through either path, providing multi-functionality that reduces the need for separate dedicated components for each chamber, thereby managing air flow path complexity
3Productivity
If a scoop is added to deflect air in the primary flow path, then the effectiveness of moisture removal is improved, but the device complexity increases
Solution Approach 1:
The scoop is designed to passively deflect air flow within the primary drying chamber without requiring active control mechanisms. By strategically positioning the scoop, it automatically redirects air along the desired path to enhance moisture removal from tumbling laundry, achieving improved productivity through simple geometric shaping rather than complex mechanical or electronic systems
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 configuration allows for the efficient drying of both tumbling and non-tumbling loads in the same dryer, improving capacity and preventing laundry tangling while maintaining effective air circulation and moisture removal.
Implementation Method 1
A scoop is located within the primary drying chamber that deflects at least some of the air in the primary flow path to the secondary flow path
Implementation Method 2
A heating element heats ambient air drawn into the dryer through an inlet
Implementation Method 3
A blower forces the heated air through the primary drying chamber
Implementation Method 4
The secondary drying chamber also defines a secondary flow path through the drying basket to the outlet
Data Source
AI summary
A clothes dryer having a primary drying chamber with an air flow system having an inlet in the rear wall and an outlet on the front wall to define a primary air flow path through the primary drying chamber between the inlet and the outlet. A door movable between opened/closed positions to selectively open/close the primary drying chamber. A secondary drying chamber located adjacent the front wall to at least partially block access through the access opening without preventing rotation of the tub in the primary drying chamber. The secondary drying chamber also defining a secondary flow path through the drying basket to the front wall outlet. A scoop located within the primary drying chamber that deflects at least some of the air in the primary flow path to the secondary flow path.