Hand Vacuum Layout With Vertical Pre-Motor Filtration
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Solution Overview
Problem
Existing hand vacuum cleaners often have ergonomic issues due to the placement of components, leading to discomfort during use and reduced airflow efficiency due to clogged pre-motor filters.
Innovation Solution
A hand vacuum cleaner design with a cyclone axis positioned below the suction motor, an air inlet conduit axis parallel to the cyclone axis, and a pre-motor filter with a longitudinally extending porous media that allows air to travel upwardly to the suction motor, enhancing ergonomics and airflow by reducing filter clogging.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the pre-motor filter is positioned in the conventional location, then the device structure is simple, but the filter becomes clogged quickly reducing airflow efficiency
Solution Approach 1:
The pre-motor filter is repositioned from a horizontal arrangement to a vertical arrangement, with the filter extending longitudinally and air flowing upward through it. This dimensional change allows the filter to be positioned in a new spatial configuration that improves airflow dynamics and reduces clogging, while maintaining structural simplicity
2Ease of operation
If components are placed in conventional positions, then the device structure is straightforward, but ergonomic comfort is reduced
Solution Approach 1:
The cyclone axis is repositioned from a conventional horizontal or vertical orientation to a position below the suction motor, creating a new spatial arrangement. The inlet conduit axis is made parallel to the cyclone axis, establishing a coordinated three-dimensional configuration that optimizes the center of gravity and improves ergonomic comfort during use
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
Improves the ergonomic feel and extends the duration of use without significant airflow reduction by optimizing component placement and filter design.
Implementation Method 1
a pre-motor filter with a longitudinally extending porous media that allows air to travel upwardly to the suction motor
Implementation Method 2
a cyclone unit comprising a cyclone chamber having a cyclone axis of rotation
Data Source
AI summary
A hand vacuum cleaner may include a suction motor and fan assembly that is positioned downstream of a pre-motor filter. A post motor filter may be positioned downstream of the suction motor and fan assembly and may be in the lower end of the hand vacuum cleaner and an energy storage member may be in an upper end of the handle.