Lateral Plate Main Filter Layout for Compact Dust Collectors
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Solution Overview
Problem
Conventional dust collectors have a restricted capacity for collecting dust due to the tubular main filter design, which increases the overall height of the device, making it less compact.
Innovation Solution
A dust collector design featuring a flexible pre-filter and a main filter with a plate shape, where the main filter is folded and held by a holder, and a damper with a plate shape is used between the pre-filter and main filter, with restricting means to prevent close contact during suction, allowing for efficient dust collection without increasing the vertical dimension.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If a tubular main filter is used projecting downward from the main body, then the filter can capture dust, but the top-to-bottom dimension of the dust collector increases
Solution Approach 1:
The main filter is changed from a vertical tubular shape to a horizontal plate shape disposed laterally in the tank. This dimensional change allows the filter to occupy horizontal space rather than vertical space, thereby maintaining dust collection capacity while reducing the top-to-bottom dimension of the dust collector
2Quantity of substance
If the tank top-to-bottom dimension is increased to increase dust collection capacity, then more dust can be collected, but the entire dust collector becomes taller
Solution Approach 1:
The filter assembly is reconfigured to utilize horizontal space within the tank rather than vertical space. The plate-shaped main filter disposed laterally maximizes the use of horizontal dimensions, allowing increased dust collection capacity without increasing the overall height of the dust collector
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 ensures a compact top-to-bottom dimension while maintaining the dust collection capacity by reducing the volume occupied by the filters, allowing for effective dust accumulation without the need for a taller tank.
Implementation Method 1
when the suction fan is rotated by driving the motor, external air is suctioned into the tank via a hose coupled to the suction opening
Implementation Method 2
dust suctioned from a suction opening into a tank is first captured by the pre-filter
Implementation Method 3
the main filter captures fine dust passing through the pre-filter
Implementation Method 4
a damper is disposed between the pre-filter and the main filter and elastically deforms by contraction of the pre-filter when the external air is suctioned from the suction opening
Data Source
AI summary
A dust collector includes a tank, a main body, a suction fan, a flexible pre-filter, and a main filter. The tank includes a suction opening. The main body is fixed to an upper portion of the tank. The suction fan is disposed at the main body. The suction fan is rotated by a motor. The flexible pre-filter is housed in the tank at a lower side of the main body. The pre-filter is positioned at an upstream side of external air suctioned from the suction opening. The main filter is positioned at a downstream side of the pre-filter. The main filter has a plate shape disposed laterally.


