Air Cleaner Multi-Directional Flow Design for Expanded Coverage
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Solution Overview
Problem
Conventional air cleaners have limited capacity and reliability, with reduced suction capacity due to structural resistance and limited air flow direction, resulting in incomplete air purification in indoor spaces, and require user movement to achieve desired air purification.
Innovation Solution
The air cleaner design incorporates dual blowing devices with cylindrical cases and radial suction ports, along with a flow adjusting device that allows air to be suctioned and discharged in multiple directions, enhancing suction capacity and air flow control.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the blowing amount of the fan is increased to improve air purification performance, then the purification capacity is improved, but noise generated by the fan increases and reliability decreases
Solution Approach 1:
The patent divides the blowing function into multiple fans (first blowing fan and second blowing fan) positioned at different locations. This segmentation allows the system to achieve high total airflow without requiring any single fan to operate at high noise-generating speeds, thus maintaining reliability while improving overall purification capacity.
Solution Approach 2:
The patent introduces spatial distribution of multiple air discharge ports in different directions (upward, lateral, downward) rather than relying on a single high-capacity fan. This dimensional approach to airflow distribution enables comprehensive air purification without concentrating the blowing load on one fan, reducing noise and improving reliability.
2Ease of manufacture
If a rectangular parallelepiped case is used with limited suction ports, then manufacturing is simplified, but suction capacity is reduced due to structural resistance
Solution Approach 1:
The patent segments the air suction function across multiple surfaces of the case (front surface, rear surface, lateral surfaces) with multiple suction ports distributed throughout. This maintains the simple rectangular case structure for ease of manufacture while dramatically increasing suction capacity by eliminating localized structural resistance through distributed port placement.
3Device complexity
If air is discharged in only one upward direction, then the device structure is simplified, but air cleaning function is limited to areas near the air cleaner
Solution Approach 1:
The patent adds vertical dimension to air discharge by providing upward-discharge ports in addition to lateral discharge ports. This multi-directional approach distributes purified air throughout the three-dimensional indoor space, significantly expanding the effective air cleaning coverage area without substantially increasing device complexity.
4Device complexity
If a single blowing fan is used, then device complexity is reduced, but blowing capacity is limited and cannot purify distant spaces
Solution Approach 1:
The patent segments the blowing function into multiple independent fans (first blowing fan connected to first air discharge port, second blowing fan connected to second air discharge port). This segmentation increases total blowing capacity to reach distant spaces while keeping each individual fan simple, so overall device complexity increases only moderately.
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 design improves air suction and discharge capabilities, ensuring comprehensive air purification and increased reliability by allowing air to be effectively purified and distributed across a wider area, including distant spaces from the air cleaner.
Implementation Method 1
a fan, and a housing, the fan being provided in the housing and the housing being movable from an initial horizontal position in which the air flow controller directs air flow in a first direction to an inclined position in which the air flow controller directs air flow in a second direction
Data Source
AI summary
An air flow controller for an air cleaner and an air cleaner are provided. The air flow controller may include a fan, and a housing, the fan being provided in the housing and the housing being movable from an initial horizontal position in which the air flow controller directs air flow in a vertical direction to an inclined position in which the air flow controller directs air flow in a diagonal direction.