Surface cleaning apparatus
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Solution Overview
Problem
Existing multi-surface vacuum cleaners face challenges in effectively cleaning hard and soft surfaces with both wet and dry methods, often resulting in streaks and inefficient debris removal due to inadequate fluid distribution and agitation.
Innovation Solution
A surface cleaning apparatus with a dual wiper configuration for even fluid distribution, a hybrid brushroll for optimized surface agitation, integrated fluid delivery channels for reduced components, and a visible indicator system for improved fluid delivery feedback.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a conventional fluid delivery system is used with separate tanks and conduits, then the system can store and deliver cleaning fluid, but the device complexity increases and maintenance becomes difficult
Solution Approach 1:
The patent integrates the fluid supply chamber, fluid dispenser, and fluid delivery channels into a single integrated fluid delivery system. The fluid supply chamber is positioned within the handle assembly, with fluid delivery channels forming integrated pathways from the chamber through the base to the fluid dispenser outlets. This merging of previously separate components (tanks, conduits, distributors) into one unified system reduces overall device complexity and simplifies maintenance operations.
Solution Approach 2:
The integrated fluid delivery system serves multiple functions: the fluid supply chamber stores cleaning fluid, the fluid delivery channels transport the fluid, and the fluid dispenser outlets apply the fluid to surfaces. This multi-functional integration eliminates the need for separate dedicated components for each function, reducing the number of parts and simplifying the overall system architecture.
2Manufacturing precision
If inadequate fluid distribution is used, then the device structure remains simple, but cleaning precision deteriorates resulting in streaks
Solution Approach 1:
The fluid dispenser incorporates multiple outlets positioned at different locations to deliver cleaning fluid locally to specific areas of the surface. The fluid delivery channels are configured to distribute fluid through different pathways to multiple outlet positions, ensuring localized and even fluid application across the cleaning area, which prevents streaking and improves cleaning precision.
Solution Approach 2:
The fluid delivery system is segmented into multiple fluid delivery channels and multiple fluid dispenser outlets. This segmentation allows the system to distribute fluid through multiple independent pathways to multiple discharge points, creating an even fluid distribution pattern across the surface being cleaned, thereby eliminating streaks and improving cleaning quality.
3Adaptability or versatility
If a single brushroll is used for both hard and soft surfaces, then the device structure remains simple, but cleaning effectiveness deteriorates on different surface types
Solution Approach 1:
The brushroll is configured to be rotatable and adjustable, allowing it to adapt its orientation and contact pressure dynamically based on the surface type being cleaned. The brushroll can be positioned at different angles and pressures to optimize performance on both hard surfaces and soft surfaces, providing versatility without requiring multiple fixed brushrolls.
Solution Approach 2:
The single brushroll is designed with multi-functional capability to effectively clean both hard surfaces and soft surfaces. Through its adjustable and rotatable configuration, the brushroll can adapt its operation to suit different surface types, eliminating the need for separate brushrolls for different surfaces while maintaining cleaning effectiveness across all surface types.
4Device complexity
If integrated fluid delivery channels are used, then the number of components is reduced, but manufacturing precision requirements increase
Solution Approach 1:
The fluid supply chamber, fluid delivery channels, and fluid dispenser outlets are merged into a single integrated assembly. The channels are formed as integrated pathways within the handle assembly structure, eliminating the need for separate external conduits and connections. This merging reduces the total number of discrete components while the channels are designed with sufficient tolerance to accommodate standard manufacturing variations.
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 apparatus effectively reduces streaking, enhances dry debris removal, and simplifies maintenance by integrating components, while providing efficient cleaning on various surfaces with improved fluid distribution and agitation.
Implementation Method 1
a source of suction in fluid communication with the working air conduit to draw the cleaning fluid from the surface to be cleaned and through the nozzle and the working air conduit to the recovery tank
Implementation Method 2
An agitator can be provided for agitating the cleaning fluid on the surface
Data Source
AI summary
A surface cleaning apparatus includes a housing including an upright handle assembly and a base mounted to the upright handle assembly. The surface cleaning apparatus is further provided with a fluid delivery system comprising a fluid dispenser configured to dispense fluid and at least one fluid delivery channel forming a portion of a fluid delivery pathway. A method of removing debris and fluid from a floor surface using a surface cleaning apparatus is also provided.