Vacuum Surface Cleaner Eductor Design
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Solution Overview
Problem
Existing surface cleaning technologies face issues with dripping or misting due to the use of pumps or gravity systems, which fail to provide sufficient fluid flow and debris removal without external pumping, leading to inefficiencies in cleaning.
Innovation Solution
A vacuum-powered surface cleaning device that encloses the surface to be cleaned, using compressed air to create a partial-vacuum chamber, drawing in cleaning fluid and expelling debris without external pumping, ensuring high fluid flow and aggressive cleaning without dripping or misting.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If pumps or pressure devices are used to induce cleaning fluid flow, then cleaning fluid can be delivered to the surface, but dripping or misting occurs outside the cleaning apparatus
Solution Approach 1:
Instead of using positive pressure devices (pumps) to force fluid through the system, the invention inverts the approach by using a vacuum chamber to suction fluid through the cleaning surface. This reversal of pressure direction prevents fluid from escaping and dripping or misting outside the apparatus, while still achieving high flow rates for aggressive cleaning
2Use of energy by moving object
If low flow pumping systems are used, then energy consumption is reduced, but insufficient cleaning fluid volume and energy are introduced to flush debris from the surface
Solution Approach 1:
The invention employs pneumatic principles by using a vacuum chamber created through compressed air injection into a venturi structure. This pneumatic system generates high-velocity fluid flow and strong suction force without requiring high-power mechanical pumps, achieving both energy efficiency and high productivity for effective debris removal
3Device complexity
If gravity cleaning systems are used, then device complexity is reduced, but expended cleaning fluid and debris are not adequately removed from the surface
Solution Approach 1:
The system uses the cleaning fluid itself to generate the vacuum force needed for removal. Compressed air injected into the venturi structure uses the kinetic energy of the fluid flow to create suction, eliminating the need for separate vacuum pumps or complex mechanical systems while maintaining high removal effectiveness
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 and hygienic surface cleaning with high fluid flow and rapid debris removal, preventing fluid or debris from leaving the apparatus, thus addressing the inefficiencies of existing methods.
Implementation Method 1
A venturi structure converts high static pressure air into low static pressure, high dynamic pressure air that flows through an eductor throat to create the chamber vacuum
Implementation Method 2
The eductor throat creates the chamber vacuum by entraining fluid from the chamber with the stream of lower static pressure air from the nozzle
Data Source
AI summary
A vacuum powered surface cleaning apparatus which is capable of cleaning an adjacent surface to remove debris without external leaking, dripping or misting. The vacuum powered surface cleaning apparatus includes an eductor assembly to create a vacuum within the device to naturally induce a flow of cleaning fluid which is imparted onto the adjacent surface to be cleaned. The expended cleaning fluid and debris are expelled from the apparatus through the eductor to external atmosphere or to an external waste or recycling container. Removal of the adjacent surface opens the internal chamber which causes a loss of partial vacuum which ceases flow of cleaning fluid, thereby eliminating the possibility of external dripping or misting.