Cyclone Vacuum Head Filtration for Low-Clearance Cleaning
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Solution Overview
Problem
All-in-the-head surface cleaning apparatuses have not been widely accepted due to limitations in design, such as increased height restricting access under furniture and limited filtration capabilities, and require separate access for filter maintenance.
Innovation Solution
An all-in-the-head surface cleaning apparatus with a cyclone assembly and pre-motor filter chamber design that allows for visible filter access without a separate cover, enabling easier maintenance and a compact format that permits cleaning under low-clearance furniture, incorporating cyclonic air treatment for effective air filtration.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the surface cleaning head is designed with all components (suction motor and air treatment members) positioned in the head, then the design enables cleaning under low-clearance furniture, but the height of the head increases limiting access under furniture
Solution Approach 1:
The pre-motor filter is nested within the cyclone assembly structure, specifically positioned in the air outlet passage of the cyclone chamber. This allows the filter to be integrated into the existing compact head design without increasing the overall height, while still providing necessary filtration functionality for effective cleaning under low-clearance furniture
2Ease of repair
If a separate access cover is provided for filter maintenance, then the filter can be accessed for cleaning or replacement, but the device complexity and footprint increase
Solution Approach 1:
The pre-motor filter is extracted as a separately removable component from the cyclone assembly. The filter can be easily removed from the air outlet passage for cleaning or replacement without requiring a separate access cover or disassembling other parts of the vacuum head, thus maintaining ease of maintenance while minimizing structural complexity
Solution Approach 2:
The filter design allows users to perform maintenance themselves by simply removing the filter from the air outlet passage. The straightforward removal and reinstallation process eliminates the need for complex access mechanisms or professional service intervention
3Reliability
If a filter is used for air treatment, then air filtration is provided, but the filtration ability is limited
Solution Approach 1:
The cyclone assembly and pre-motor filter are merged into a single integrated unit. The cyclone chamber performs primary separation of particulate matter from air, and the pre-motor filter positioned in the air outlet passage provides secondary filtration. This combination of cyclonic separation and filter media creates a multi-stage filtration system that significantly enhances overall filtration effectiveness and efficiency compared to using a filter alone
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
The design allows for effective air treatment and easy filter maintenance, enabling the surface cleaning apparatus to clean under furniture with low ground clearance while maintaining filtration efficiency, enhancing user convenience and cleaning capabilities.
Implementation Method 1
a cyclone assembly comprising a cyclone chamber and a dirt collection chamber. The cyclone chamber may have a longitudinal cyclone axis, a cyclone air inlet and a cyclone air outlet
Implementation Method 2
a pre-motor filter chamber and a suction motor. At least one of the pre-motor filter and a pre-motor filter chamber may be visible when the dirt collection chamber is in the emptying position
Data Source
AI summary
An all in the head surface cleaning apparatus can include a surface cleaning head having an air flow path extending from a dirty air inlet to a clean air outlet. The surface cleaning head can include a cyclone assembly comprising a cyclone chamber and a dirt collection chamber. The cyclone chamber may have a longitudinal cyclone axis, a cyclone air inlet and a cyclone air outlet. The dirt collection chamber may be moveable between an in use position and an emptying position. The surface cleaning head may include a pre-motor filter chamber and a suction motor. At least one of the pre-motor filter and a pre-motor filter chamber may be visible when the dirt collection chamber is in the emptying position. An upper portion may be mounted to the surface cleaning head between a storage position and a floor cleaning position, and may include a drive handle.