Extractor Air Duct Curvature for Fluid Separation
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Solution Overview
Problem
Extractor cleaning machines face inefficiencies in fluid and dirt collection due to limitations in air duct design, which affects the overall cleaning performance and fluid separation process.
Innovation Solution
The design includes a movable base with a suction nozzle, a recovery tank, and an air duct that fluidly connects the tank and nozzle, utilizing a tank tray with a top and bottom surface, and an air duct with a nonlinear central axis, ensuring effective airflow and fluid separation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a conventional air duct design is used, then the structure is simple, but the fluid and dirt collection efficiency is poor
Solution Approach 1:
The air duct incorporates a nonlinear central axis with curved geometry instead of a straight line, creating a more complex but hydrodynamically optimized path that improves fluid and dirt collection efficiency while managing airflow patterns
2Productivity
If the air duct is directly coupled to the recovery tank, then the connection is simple, but the fluid separation process is inefficient
Solution Approach 1:
The tank tray serves as an intermediary component between the recovery tank and the air duct, providing a structured connection interface that enhances fluid separation efficiency while maintaining manageable structural complexity
3Reliability
If a straight air duct is used, then the manufacturing is simple, but the airflow and fluid separation are suboptimal
Solution Approach 1:
The air duct features a nonlinear central axis with curved geometry that optimizes airflow patterns and fluid separation performance, though this increases manufacturing complexity compared to a straight duct design
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 configuration enhances the extraction of cleaning fluid and dirt from surfaces, improving cleaning efficiency and fluid separation, allowing for effective cleaning of various surfaces including carpets, hardwood floors, and tiles.
Implementation Method 1
The suction source is operable to draw fluid and dirt from the surface through the suction nozzle
Implementation Method 2
The air duct is coupled to the tank tray to define a passageway that fluidly couples the recovery tank and the suction nozzle
Data Source
AI summary
An extractor cleaning machine that includes a base having a suction nozzle and a body coupled to the base. The extractor cleaning machine also includes a suction source in fluid communication with the suction nozzle. The extractor cleaning machine further includes a recovery tank configured to store fluid and dirt drawn through the suction nozzle, and a tank tray coupled to at least one of the base and the body. The tank tray including a top surface and a bottom surface. The recovery tank is coupled to the tank tray adjacent the top surface. The extractor cleaning machine also includes an air duct coupled to the tank tray adjacent the bottom surface to define a passageway that fluidly couples the recovery tank and the suction nozzle.