Auxiliary Suction Nozzle Port Layout for Full Vacuum Suction
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Solution Overview
Problem
Conventional vacuum cleaners lack an effective mechanism for simultaneously utilizing a main suction nozzle and an auxiliary suction nozzle independently, leading to reduced suction power when both are used, and struggle with reaching hard-to-clean areas like edges and baseboards without compromising suction efficiency.
Innovation Solution
A vacuum cleaner design featuring a housing with both a main suction nozzle and an auxiliary suction nozzle, where the vacuum hose can be selectively coupled to either, and a moveable door that closes the auxiliary port when not in use, allowing independent operation of each nozzle without splitting the suction source's airflow.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a vacuum cleaner has only one main suction nozzle, then the suction power is concentrated and strong, but the ability to clean hard-to-reach areas like edges and baseboards is limited
Solution Approach 1:
The suction system is segmented into two independent pathways: a main suction nozzle for general floor cleaning and an auxiliary suction nozzle for edge and baseboard cleaning. Each nozzle has its own independent suction port that connects to the vacuum source, allowing simultaneous or independent operation without compromising the suction power of either nozzle
Solution Approach 2:
The vacuum cleaner is designed with multi-functionality by incorporating both a main suction nozzle and an auxiliary suction nozzle that can be used independently or together. The auxiliary nozzle provides universal cleaning capability for edges, baseboards, and hard-to-reach areas while the main nozzle handles open floor areas, making the device adaptable to various cleaning scenarios
2Adaptability or versatility
If both main suction nozzle and auxiliary suction nozzle are used simultaneously, then cleaning versatility is improved, but suction power at each nozzle is reduced
Solution Approach 1:
The suction system is divided into separate independent pathways with the main suction nozzle having its own suction port and the auxiliary suction nozzle having its own separate suction port. This segmentation ensures that when both nozzles are used simultaneously, they each receive full suction power from the vacuum source without sharing a common airflow path that would divide the power
3Ease of operation
If the auxiliary suction port is always open, then the auxiliary nozzle can be used anytime, but the aesthetic appearance and aerodynamic efficiency are compromised
Solution Approach 1:
The auxiliary suction port is designed with a movable door that can be opened or closed as needed. When the auxiliary nozzle is not in use, the door closes to maintain the aesthetic appearance and aerodynamic efficiency of the housing. When the auxiliary nozzle is connected and in use, the door opens to allow airflow. This dynamic design provides both aesthetic appeal and functional accessibility
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 cleaning capabilities by maintaining full suction power for each nozzle and allowing for efficient cleaning of hard-to-reach areas without reducing suction efficiency, while providing an aesthetically pleasing and ergonomic operation.
Implementation Method 1
a suction source in fluid communication with the vacuum hose for generating a working air flow at the one of the main suction nozzle and the auxiliary suction nozzle
Data Source
Figure 1
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Figure 3
AI summary
A vacuum cleaner includes an auxiliary suction nozzle (34) in fluid communication with an auxiliary port provided on the vacuum cleaner. A vacuum hose (38) can be coupled with the auxiliary port to establish fluid communication between the auxiliary suction nozzle and a source of suction.