Handheld Extraction Cleaner With Angle Guide Skid for Leak Control
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Solution Overview
Problem
Handheld extraction cleaners face challenges due to their compact size, leading to limited tank capacities and the need to hold them at specific angles to prevent liquid from entering the suction source or leaking, which restricts their efficiency and usability.
Innovation Solution
A handheld extraction cleaner design featuring a unitary body with a carry handle, a fluid delivery system, a recovery system, and a cleaning angle guide skid, which includes a supply tank, a suction nozzle, a recovery tank, and an agitator, allowing for efficient fluid delivery and recovery while orienting the cleaner at a predetermined angle for effective surface cleaning.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If handheld extraction cleaners are made compact and portable, then portability and ease of operation are improved, but tank capacity is reduced and liquid leakage risks increase
Solution Approach 1:
The patent implements nesting by placing the supply tank inside or adjacent to the recovery tank, utilizing the vertical space within the compact handheld body. This nested arrangement maximizes the total fluid capacity without increasing the external dimensions, thereby maintaining portability while increasing tank capacity.
Solution Approach 2:
The patent transitions from horizontal tank arrangement to vertical stacking of tanks in the compact body. By utilizing the vertical dimension rather than horizontal expansion, the design increases fluid capacity while maintaining a compact handheld form factor that fits in one hand.
2Ease of operation
If handheld extraction cleaners are made compact, then portability is improved, but agitation capability deteriorates due to undersized or eliminated agitators
Solution Approach 1:
The patent employs a high-speed rotating agitator that generates mechanical vibration and turbulence to enhance fluid agitation and debris suspension. This vibration-based approach compensates for the reduced size of the agitator in compact handheld units, maintaining effective cleaning performance despite space constraints.
Solution Approach 2:
The patent utilizes the suction airflow (pneumatic force) generated by the vacuum motor to enhance agitation. The high-velocity air stream passing through the recovery tank creates turbulence and mixing, supplementing the mechanical agitation from the smaller agitator and maintaining productivity in the compact design.
3Reliability
If handheld extraction cleaners are held at specific angles, then liquid leakage is prevented, but ease of operation deteriorates due to restricted positioning
Solution Approach 1:
The patent incorporates check valves and one-way flow restrictions in the fluid pathways that prevent liquid from flowing backward into the suction source or leaking from the nozzle. These preliminary protective measures allow the unit to be operated at various angles without risk of leakage, eliminating the need for precise angle maintenance.
Solution Approach 2:
The internal fluid management system automatically prevents leakage through gravity-assisted flow paths and passive check valves that self-regulate fluid direction. The design self-corrects potential leakage issues without requiring user intervention or precise positioning, allowing flexible operation at any angle.
4Quantity of substance
If tank capacity is increased in handheld units, then fluid delivery capability is improved, but device complexity increases
Solution Approach 1:
The patent combines the supply tank and recovery tank into a single integrated assembly within the handheld body. By merging these functions into one compact unit with shared walls and integrated mounting, the design increases total fluid capacity without proportionally increasing structural complexity.
Solution Approach 2:
The patent designs the compact handheld body to serve multiple functions: housing for both tanks, structural frame, handle integration, and mounting for all components. This multi-functionality approach increases capacity while minimizing the addition of separate structural elements, thereby controlling complexity.
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 design enhances the efficiency and usability of handheld extraction cleaners by ensuring effective fluid delivery and recovery, preventing leaks, and allowing for stable operation on various surfaces without the need for precise angle adjustments.
Implementation Method 1
a suction source including a vacuum motor that powers an impeller to create low pressure on one side of the impeller and higher pressure on the other side
Implementation Method 2
a fluid delivery system for storing cleaning fluid and delivering the cleaning fluid to the surface to be cleaned
Implementation Method 3
an agitator provided on a bottom of the unitary body, the agitator disposed rearwardly of the suction nozzle and forwardly of the recovery tank
Data Source
AI summary
A handheld extraction cleaner includes a unitary body provided with a carry handle, and further provided with a supply tank, a suction nozzle, a recovery tank, and a suction source, all of which are carried by the unitary body. In one aspect, the suction nozzle includes a cleaning angle guide skid to orient the extraction cleaner at an optimal cleaning angle.