Removable Vacuum Cleaning Unit for Low-Profile Head Filtration
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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 under-furniture cleaning and limited filtration capabilities, and existing solutions either compromise on filtration or usability.
Innovation Solution
An all-in-the-head surface cleaning apparatus with a removable portable cleaning unit that includes a suction motor and air treatment members, allowing for both floor and above-floor cleaning modes while maintaining filtration standards, and reducing the weight and complexity of the surface cleaning head.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the surface cleaning head is designed as all-in-the-head with suction motor and air treatment members, then the cleaning apparatus can provide complete filtration capabilities, but the height increases restricting under-furniture cleaning
Solution Approach 1:
The cleaning apparatus is divided into two functional segments: a compact surface cleaning head for floor cleaning and a separate portable cleaning unit containing the suction motor and air treatment members. This segmentation allows the head to maintain low height for under-furniture cleaning while the portable unit provides complete filtration when attached or used separately.
Solution Approach 2:
The design transitions from a vertical stacking arrangement (which increases height) to a horizontal/external arrangement where the portable cleaning unit can be attached to the side or rear of the head, or used independently. This dimensional change reduces the vertical profile while maintaining all filtration functions.
2Reliability
If the suction motor and air treatment members are integrated into the surface cleaning head, then the filtration capability is maintained, but the weight and complexity of the head increases
Solution Approach 1:
The system is segmented into a simple surface cleaning head and a separate portable cleaning unit containing all complex components (suction motor, air treatment members). This segmentation reduces the complexity of the head while maintaining complete filtration through the portable unit.
Solution Approach 2:
The complex components (suction motor and air treatment members) are extracted from the surface cleaning head and placed in a separate portable cleaning unit. This extraction simplifies the head design while the portable unit retains all necessary filtration functions when attached or used independently.
3Ease of operation
If the surface cleaning head is made lighter and smaller, then the maneuverability improves, but the ability to provide complete filtration and power reduces
Solution Approach 1:
The system separates maneuverability functions (head with brush and airflow channeling) from power and filtration functions (portable cleaning unit). The lightweight head provides excellent maneuverability, while the portable unit attached or nearby provides complete filtration and power.
Solution Approach 2:
The portable cleaning unit serves multiple functions: it can be attached to the head for complete filtration during floor cleaning, used separately for above-floor cleaning, or serve as a charging station. This multi-functionality ensures complete filtration capability is always available regardless of the head's reduced size.
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
Enables efficient cleaning under furniture with a reduced height surface cleaning head and maintains filtration capabilities, providing two cleaning modes with reduced component complexity and weight, enhancing user convenience and cleaning effectiveness.
Implementation Method 1
a suction motor positioned in the surface cleaning head downstream from the air treatment members and in air flow communication with the air treatment members. The suction motor creates a pressure difference between a dirty air inlet on the surface cleaning head and a clean air outlet on the surface cleaning head.
Implementation Method 2
one or more air treatment members positioned in the surface cleaning head upstream from the suction motor, each air treatment member comprising a cyclone
Data Source
AI summary
A vacuum cleaner has a portable cleaning unit that is removably mounted to the surface cleaning head. The vacuum cleaner is operable in a floor cleaning configuration in which the portable cleaning unit is mounted to the surface cleaning head and is part of the air flow path through the vacuum cleaner. The portable cleaning unit is also useable in a portable cleaning configuration in which the portable cleaning unit is removed from the surface cleaning head.