Extractor Cleaning Machine Air Duct for Fluid Collection Efficiency
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Solution Overview
Problem
Extractor cleaning machines face inefficiencies in fluid and dirt collection due to limitations in the design of air ducts connecting recovery tanks and suction nozzles, which affect the overall cleaning performance and fluid separation process.
Innovation Solution
The design includes a base with a suction nozzle and a body coupled to a tank tray, where an air duct is integrated to fluidly couple the recovery tank and suction nozzle, facilitating airflow and fluid separation, and allowing for adjustable positioning and auxiliary tool integration.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a traditional air duct design is used to connect the recovery tank and suction nozzle, then the structure is simple, but the fluid and dirt collection efficiency is insufficient
Solution Approach 1:
The air duct is divided into multiple segments including a first air duct portion, a second air duct portion, and a third air duct portion. Each segment serves a specific function in the fluid flow path from the suction nozzle to the recovery tank, allowing optimized design of each section while maintaining overall system efficiency.
Solution Approach 2:
The air duct incorporates a vertical passage that extends upward from the tank tray, creating a three-dimensional flow path. This vertical dimension allows the air duct to bypass obstacles and optimize the flow path from the suction nozzle to the recovery tank inlet, improving collection efficiency without increasing horizontal complexity.
2Reliability
If the air duct is integrated with the tank tray, then the fluid separation process is improved, but the manufacturing complexity increases
Solution Approach 1:
The air duct is integrated with the tank tray to form a unified structure. The air duct portions are coupled to the tank tray in a manner that creates a sealed fluid path, ensuring proper fluid separation while maintaining manufacturability through standardized coupling mechanisms.
Solution Approach 2:
The tank tray serves as an intermediary structure that connects the air duct to the recovery tank. This intermediate component facilitates the integration by providing a mounting surface and sealing interface, simplifying the overall manufacturing process while ensuring reliable fluid separation.
3Productivity
If the suction source is positioned to optimize fluid draw, then the cleaning performance improves, but the device complexity increases
Solution Approach 1:
The suction source is positioned to create dynamic fluid flow patterns that optimize cleaning performance. The air duct configuration allows the suction source to effectively draw fluid and dirt from the surface through the suction nozzle and transport it to the recovery tank, with the positioning optimized for maximum suction efficiency.
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 efficiency of fluid and dirt collection, improves surface cleaning performance, and allows for versatile use with various surfaces and tools, optimizing the cleaning process.
Implementation Method 1
a suction source operable to draw fluid and dirt from the surface through the suction nozzle
Implementation Method 2
an air duct coupled to the tank tray such that the air duct and the tank tray define a passageway that fluidly couples the recovery tank and the suction nozzle
Data Source
Figure 1
Figure 2~3
Figure 4
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.