Vacuum pathway in a cleaning device
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Solution Overview
Problem
Conventional vacuum cleaning systems are inefficient in extracting water from carpets, leading to prolonged drying times due to bulky and cumbersome designs, and loss of suction power over long suction hoses.
Innovation Solution
A vacuum cleaner with a optimized vacuum pathway of specific cross-sectional area and length, featuring smooth internal surfaces and minimal bends, coupled with a rotary head and evacuation tank, to enhance liquid extraction efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If conventional cleaning tools are used for water extraction, then the device structure is simple, but water extraction efficiency is low and drying time is prolonged
Solution Approach 1:
The patent optimizes the vacuum pathway by changing geometric parameters including cross-sectional area (0.8-7.0 square inches), length (0.25-3.0 feet), and configuration (at most two 90-degree bends) to maximize water extraction efficiency and minimize drying time
Solution Approach 2:
The patent employs a rotary head with multiple extraction heads that rotate to agitate and extract water from carpet, transforming the static extraction process into a dynamic one that significantly improves extraction efficiency
2Power
If motors are located remotely from extraction heads, then device complexity is reduced, but suction power is lost over the length of the suction hose
Solution Approach 1:
The patent extracts the vacuum motor from the main body and integrates it directly into the rotary head assembly, placing the power source at the point of application to eliminate energy loss through long suction hoses
Solution Approach 2:
The patent repositions the motor from a remote location to an integrated position within the rotary head, changing the spatial dimension of motor placement to minimize energy loss in the vacuum pathway
3Productivity
If the vacuum pathway has complex routing, then device compactness is improved, but suction efficiency decreases due to pathway disruptions
Solution Approach 1:
The patent employs smooth curved transitions instead of sharp angles in the vacuum pathway, reducing turbulence and maintaining efficient airflow while accommodating compact device geometry
Solution Approach 2:
The rotary head design dynamically positions multiple extraction heads around a central motor, allowing efficient vacuum pathways to be maintained while integrating all components in a compact configuration
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 solution significantly increases water extraction capacity, reducing drying time and maintaining suction power by minimizing fluid pathway disruptions and length.
Implementation Method 1
a vacuum pathway situated between the at least one extraction head and a riser that is connected to a vacuum motor
Data Source
AI summary
A cleaning apparatus is disclosed for extracting a liquid from a surface. The apparatus includes at least one extraction head that has at least one aperture that is facing the surface to be cleaned. The vacuum cleaner includes a vacuum pathway situated between the at least one extraction head and a riser that is connected to a vacuum motor. The internal surfaces of the vacuum pathway are smooth and the vacuum pathway has certain dimensions and orientations that optimize the extraction of a liquid from a surface.