Surface treatment apparatus and method
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Solution Overview
Problem
Existing surface treatment appliances lack versatility in cleaning modes and efficiency, particularly in steam cleaning operations, as they often require manual adjustment and have limited options for directing steam flow and scrubbing actions.
Innovation Solution
A surface treatment apparatus with a mop head that can rotate 180°, featuring a change-over device to direct steam flow to either surface, and a deployable scrubber assembly for enhanced cleaning performance, allowing for both normal area cleaning and steam blast modes with adjustable steam direction and scrubbing functionality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the mop head is fixed in a single orientation, then the device structure is simple, but the cleaning versatility and adaptability to different surfaces are limited
Solution Approach 1:
The mop head is designed with a rotatable joint allowing it to rotate 180 degrees between first and second orientations. This dynamic capability enables the same mop head to perform different cleaning functions (normal cleaning vs. steam blast mode) by changing its orientation relative to the connector assembly, thereby improving cleaning versatility without requiring multiple separate devices
Solution Approach 2:
The single mop head assembly is designed to perform multiple cleaning functions through its ability to rotate between orientations. In the first orientation, it performs normal area cleaning with steam directed through the mop head. In the second orientation, it performs steam blast cleaning with steam directed through the connector housing. This multi-functionality resolves the contradiction by providing versatile cleaning modes while maintaining a single, integrated device structure
2Loss of energy
If steam is always directed through the mop head, then the mop head structure is simple, but energy efficiency is reduced when the mop head is oriented away from the cleaning surface
Solution Approach 1:
The steam flow path is dynamically switched based on the mop head orientation. When the mop head rotates to the second orientation, the connector housing directs steam through its own outlet toward the cleaning surface. This dynamic steam direction control ensures heat is always delivered to the cleaning surface, preventing energy loss that would occur if steam continued to flow through the misoriented mop head
Solution Approach 2:
The connector housing acts as an intermediary steam delivery system. When the mop head is in the second orientation away from the cleaning surface, the connector housing receives steam from the steam source and directs it through its outlet toward the cleaning surface. This intermediary function ensures continuous effective heat delivery to the cleaning surface regardless of mop head orientation, resolving the energy efficiency issue
3Productivity
If the scrubber assembly is always deployed, then cleaning performance on tough stains is improved, but the device complexity and potential for surface damage increase
Solution Approach 1:
The scrubber assembly is designed to be selectively deployable rather than permanently fixed. It can be deployed when tough stains require enhanced mechanical agitation, and retracted when not needed. This dynamic deployment capability improves cleaning efficiency for difficult stains while avoiding unnecessary complexity and potential surface damage during normal cleaning operations
Solution Approach 2:
The scrubber assembly provides localized enhanced cleaning capability only when and where needed. By making it selectively deployable, the system applies aggressive scrubbing action only to specific areas with tough stains rather than continuously across all surfaces. This localized application improves productivity for difficult cleaning tasks while maintaining device simplicity and preventing unnecessary surface damage
Data Source
Figure 1A
Figure 1B
Figure 1C
AI summary
Methods and apparatuses for surface treatment may comprise a body 200, a connector assembly and a mop head 400 configured to be used in non-steam and/or steam operations. The connector assembly 300, 1060, 7200, 8200, 9107 may be configured to comprise of a universal joint to receive different bodies or different mop heads 400, 410, 420, 1040, 2040, 3040, 7300, 8300, 9100 . The mop head may be configured to rotate relative to the connector assembly about a transverse axis. One or both surfaces of the mop head may be used for cleaning and a change over valve mechanism may direct steam flow from one surface of the mop head to the other. The apparatus may be configured to be used for both normal area cleaning in a normal area cleaning mode and to clean hard and messy stains in a steam blast mode with or without scrubbing action. In an embodiment, the apparatus may be configured to comprise a mop head comprising releasable flaps.