Stick Vacuum Airflow Routing With Dual Dust Separation
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Solution Overview
Problem
Existing small vacuum cleaners lack improved air filtering and suction power when used as a stick vacuum compared to solo operation, with existing solutions either increasing power consumption or not enhancing filtering effectiveness.
Innovation Solution
A small vacuum cleaner design that includes a first dust separation device, a fan, and an electric motor, allowing connection to a stick vacuum frame for routing suction air through a second dust separation device, which can bypass the suction head, enhancing filter and suction performance by using a larger air duct and additional dust separators.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a small vacuum cleaner is used alone, then it has compact dimensions and low weight suitable for hands-free use, but it lacks improved air filtering and suction power when used as a stick vacuum
Solution Approach 1:
The air flow path is segmented into multiple channels: a first air flow path for solo operation using the first dust separation device, and a second air flow path for stick vacuum operation using the second dust separation device. This segmentation allows the system to optimize filtering for each operating mode without compromise.
Solution Approach 2:
A switching mechanism acts as an intermediary to selectively connect different dust separation devices to the air flow path based on the operating mode. This mediator enables transition between solo and stick vacuum operations with appropriate filtering configurations.
2Reliability
If a larger dust separation device is added to improve filtering, then air filtering effectiveness improves, but device complexity and size increase
Solution Approach 1:
The first and second dust separation devices are nested within the same housing structure. The second dust separation device is positioned to receive air flow from the suction head when in stick vacuum mode, while the first dust separation device handles solo operation. This nesting allows both filtering systems to coexist in a compact arrangement.
Solution Approach 2:
The system dynamically switches between different dust separation devices based on the operating mode. A switching mechanism dynamically reconfigures the air flow path to connect either the first or second dust separation device to the suction head, optimizing filtering without requiring both devices to be actively engaged simultaneously.
3Reliability
If a second dust separation device is integrated, then improved air filtering is achieved when used as a stick vacuum, but the minimal design for solo use is compromised
Solution Approach 1:
The switching mechanism is pre-configured to automatically select the appropriate dust separation device based on the detected operating mode. When the small vacuum cleaner is placed in the stick vacuum frame, the switch automatically connects the second dust separation device, eliminating the need for manual configuration and maintaining operational simplicity.
Solution Approach 2:
The system self-configures the air flow path based on the physical configuration of the components. When the suction head is attached in stick vacuum mode, the air flow path automatically routes through the second dust separation device, while solo operation automatically uses the first dust separation device, requiring no user intervention.
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 maintains minimal design for solo use while providing improved filter and suction capacity when used as a stick vacuum, achieving enhanced cleaning performance without increasing power consumption.
Implementation Method 1
a fan (21) for generating a suction air flow through the first dust separation device (10)
Implementation Method 2
a vortex tube separator (55) connected upstream of a dust separator (11) of the first dust separation device (10)
Implementation Method 3
a dust separator (11) of the first dust separation device (10)
Data Source
Figure 1
Figure 2
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AI summary
The invention relates to a combination of a compact vacuum cleaner (1), which comprises a first dust extractor device (10), a fan for generating a stream of suction air through the first dust extractor device (10) and an electric motor (25) for driving the fan, and an upright vacuum cleaner frame (40). According to the invention, the compact vacuum cleaner (1) can be connected to the upright vacuum cleaner frame (40) to form a unit that can be operated as an upright vacuum cleaner and the compact vacuum cleaner (1) can be connected to the upright vacuum cleaner frame (40) in such a way that at least part of the stream of suction air generated by the fan can be conducted through a second dust extractor device. The invention also relates to a compact vacuum cleaner of this type and to a correspondingly designed upright vacuum cleaner frame. This allows the air filtration action and/or the suction performance to be improved during operation as an upright vacuum cleaner in comparison to the operation as a compact vacuum cleaner.