Portable extractor
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Solution Overview
Problem
Existing portable extraction cleaners lack a convenient and efficient method for removably attaching a hose attachment assembly, which hinders the easy transportation and operation of the device, especially when dealing with various cleaning surfaces.
Innovation Solution
A hose attachment assembly with a suction conduit and fluid coupling is designed to be removably coupled to the base of the portable extraction cleaner, allowing for easy detachment and reattachment, facilitating the transportation and operation of the device across different surfaces.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If the hose attachment assembly is permanently integrated to the base, then the structural stability is improved, but the portability and ease of transportation deteriorates
Solution Approach 1:
The hose attachment assembly is divided into separable components: the suction conduit remains with the base while the external hose can be detached. This segmentation allows the device to maintain structural integrity during operation while enabling easy transportation by separating the hose component.
2Adaptability or versatility
If the external hose is made longer to reach various surfaces, then the versatility is improved, but the hose becomes more prone to tension and kinking
Solution Approach 1:
The external hose is designed to nest within or alongside the suction conduit when not in use. This nesting arrangement allows a longer hose to be stored compactly, reducing tension and kinking while maintaining the versatility to reach various cleaning surfaces.
Solution Approach 2:
The suction conduit acts as an intermediary structure that provides a protected pathway for the external hose. By routing the hose through or alongside the rigid conduit, the system reduces exposure to tension and kinking while maintaining versatility.
3Ease of operation
If the hose attachment assembly is designed for quick detachment, then the ease of operation is improved, but the reliability of the fluid connection may deteriorate
Solution Approach 1:
The coupling mechanism is designed with pre-positioned alignment features and sealing surfaces that ensure proper engagement before detachment occurs. This preliminary alignment preparation maintains fluid connection reliability while enabling quick detachment when needed.
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
This design enhances the portability and ease of use of the extraction cleaner by allowing for efficient attachment and detachment of the hose, reducing tension and kinking, and enabling effective cleaning of various surfaces without compromising performance.
Implementation Method 1
a suction source in fluid communication with the recovery tank and operable to draw recovered liquid and dirt into the recovery tank
Implementation Method 2
a pump in fluid communication with the supply tank and operable to supply cleaning liquid from the supply tank
Data Source
AI summary
An extraction cleaner includes a supply tank, a recovery tank, a pump, a suction source, a base configured to support the suction source and the pump, an external hose, and a hose attachment assembly. The hose attachment assembly has a suction conduit extending from a suction inlet connected to the proximal end of the hose to a suction outlet in fluid communication with the recovery tank. The suction conduit is removable from the base with the hose. The hose attachment assembly also has a fluid coupling which is removable with the suction conduit. The fluid coupling extends from a coupling inlet in fluid communication with the pump to a coupling outlet coupled to a supply tube having one or more portions carried within the suction conduit. The proximal end of the hose is at least partially nested adjacent the base when the suction conduit is coupled to the base.