Dual-Inlet Floor Cleaner for Single-Pass Wet Pickup and Drying
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Solution Overview
Problem
Conventional floor cleaning devices, such as wet extractors, are inefficient in cleaning all flooring types, leave moisture that creates slipping hazards and promotes mold growth, and struggle to pick up debris and fluid from corners, while manual devices require repetitive motion and often leave debris behind.
Innovation Solution
A cleaning device with a housing, a cleaning head equipped with a rotary agitator and a vacuum source that generates airflow through inlet openings, a dirt collection device, and a system for fluid supply and recovery, allowing for simultaneous scrubbing, fluid application, and debris removal without leaving the surface wet.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If wet extractors are used to clean floors, then fluid can be removed from the surface, but moisture is left on the surface creating slipping hazards and promoting mold growth
Solution Approach 1:
The patent combines the wet extraction function with a drying function by integrating a high-velocity air blowing system into the cleaning head. The air blower forces air through the cleaning head to blow moisture and debris off the surface, effectively merging fluid removal with surface drying in a single pass, thereby eliminating the harmful moisture residue effect.
2Quantity of substance
If conventional wet extractors are used, then fluid pickup is achieved, but numerous back and forth passes are required to clean a surface
Solution Approach 1:
The patent implements continuous useful action by operating the air blower continuously during the cleaning process. The air blower runs throughout the entire cleaning cycle, continuously forcing air through the cleaning head to blow moisture and debris off the surface in real-time, eliminating the need for multiple passes and enabling single-pass cleaning effectiveness.
3Quantity of substance
If conventional wet extractors are used, then fluid can be removed, but debris and fluid deposited in corners of a room cannot be satisfactorily picked up
Solution Approach 1:
The patent adds a dimensional element to the cleaning action by introducing high-velocity air flow that can reach into corners and crevices. The air blower forces air through the cleaning head at angles and directions that allow the airflow to penetrate into corners, picking up debris and fluid from areas that conventional extractors cannot reach effectively.
4Ease of operation
If mops or cleaning wands with replaceable cleaning pads are used, then the device is light and easy to manipulate, but repetitive motion is required and substantial debris remains on the floor
Solution Approach 1:
The patent replaces the purely mechanical scrubbing action of mops and cleaning pads with a pneumatic system. The air blower substitutes mechanical friction-based cleaning with high-velocity air flow that blows debris off the surface, eliminating the need for repetitive manual scrubbing motion while achieving superior debris 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
The device effectively cleans surfaces by scrubbing and vacuuming in a single pass, eliminating moisture and debris, and is designed to reach corners and edges, reducing the need for repetitive motion and improving cleaning efficiency.
Implementation Method 1
a vacuum source adapted to generate a working airflow through the first inlet opening, the second inlet opening, and the dirt collection device
Data Source
AI summary
A cleaning device with an elongated housing having a grip at one end and a cleaning head at another end, a dirt collection device and a vacuum source. The cleaning head has a rotary agitator, a first inlet opening having a first cross-sectional area, and a second inlet opening having a second cross-sectional area. The second cross-sectional area may be substantially less than the first cross-sectional area. The second inlet opening may be above the first inlet opening. There also may be a fluid supply tank and an associated pump, and the pump and agitator may be driven by the same motor.