Surface cleaning apparatus
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Solution Overview
Problem
Conventional surface cleaning apparatuses require separate machines for vacuuming and extracting cleaning solutions, as they are not designed to handle large particulate matter or liquids effectively, leading to inefficiencies and increased storage and maintenance needs.
Innovation Solution
A surface cleaning apparatus that operates in both vacuum and extractor modes, featuring a liquid distribution system, a momentum separator for liquids, and a cyclone separator for solids, allowing it to vacuum, apply, and extract cleaning solutions from surfaces using a single unit, with energy-efficient design and reduced footprint.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a single apparatus is designed to perform both vacuum and extractor functions, then device versatility is improved, but device complexity increases
Solution Approach 1:
The apparatus is designed with a dual-mode capability, incorporating both vacuum and extractor functions in a single device. The housing contains separate but integrated systems: a vacuum pathway with a cyclone separator for dry debris, and a wet pathway with a liquid separator for cleaning solutions. This multi-functionality allows the device to perform both vacuuming and extraction without requiring separate machines, directly resolving the technical contradiction by improving versatility while managing complexity through systematic integration.
Solution Approach 2:
The internal structure of the apparatus is segmented into distinct functional zones: a vacuum pathway for dry debris removal and a wet pathway for liquid extraction. The housing is divided to accommodate separate separators (cyclone for solids, liquid separator for fluids), collection chambers, and filtration systems. This segmentation allows each subsystem to operate independently while being integrated within the unified apparatus, enabling multi-functionality without excessive complexity.
2Device complexity
If separate machines are used for vacuuming and extracting, then device complexity is reduced, but loss of time increases due to requiring multiple devices
Solution Approach 1:
The patent merges previously separate vacuum and extractor machines into a single integrated apparatus. The housing combines vacuum pathways, cyclone separators, liquid separators, collection chambers, and filtration systems into one unified device. This consolidation eliminates the need to switch between separate machines during cleaning operations, reducing the time loss associated with handling multiple devices while maintaining manageable complexity through systematic integration.
3Manufacturing precision
If liquid treatment stage is positioned above solid particulate matter treatment stage, then manufacturing precision is improved, but use of energy increases due to liquid requiring substantially more energy to be drawn upwardly
Solution Approach 1:
The patent inverts the conventional arrangement by positioning the liquid treatment stage below the solid particulate matter treatment stage. The liquid separator and its collection chamber are located in the lower portion of the housing, while the cyclone separator for solids is positioned above. This inverted configuration allows gravity to assist liquid drainage and reduces the energy required to move liquid upward, while still achieving effective separation through the properly designed separator geometries and flow paths.
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 of surfaces with a single apparatus, reducing energy consumption and storage requirements by effectively handling both dry and wet debris, and allowing for concurrent emptying of liquid and solid collection chambers.
Implementation Method 1
The first treatment stage may be designed to remove liquid from an air stream (e.g., a momentum separator)
Implementation Method 2
The second treatment stage may be designed to remove solid particulate matter from the air stream (e.g., one or more cyclones in parallel)
Data Source
AI summary
A surface cleaning apparatus, such as an extractor, has a separated liquid reservoir wherein the separated liquid reservoir includes a liquid sequestering member.