Cleaner Head Spray Nozzle Layout for Even Agitator Fluid Distribution
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Solution Overview
Problem
Existing cleaner heads for multi-floor or wet/dry vacuum cleaners lack an efficient mechanism for distributing cleaning fluid onto the agitator, leading to inadequate surface cleaning and potential clogging due to uneven fluid distribution.
Innovation Solution
A cleaner head design featuring a spray nozzle device that sprays cleaning fluid onto the agitator in a direction orthogonal to its axis, with a deflector to ensure even distribution and prevent clogging, and a housing with a chamber that surrounds the agitator, allowing for easy access and maintenance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If cleaning fluid is sprayed onto the agitator, then cleaning efficiency is improved, but uneven fluid distribution causes clogging
Solution Approach 1:
The spray nozzle device includes multiple nozzles positioned at different locations and angles to spray cleaning fluid onto different portions of the agitator. This ensures uniform fluid distribution across the entire agitator surface, preventing clogging while maintaining high cleaning efficiency.
2Manufacturing precision
If the spray nozzle device is integrated into the housing, then fluid distribution is improved, but device complexity increases
Solution Approach 1:
The housing serves multiple functions: it provides structural support, contains the chamber that surrounds the agitator, and integrates the spray nozzle device. This multi-functionality reduces the need for separate components, thereby reducing overall device complexity while achieving uniform fluid distribution.
Solution Approach 2:
The spray nozzle device is merged with the housing structure, and the chamber is integrated to surround the agitator. This consolidation of components simplifies the overall device structure while ensuring precise fluid distribution onto the agitator.
3Productivity
If the chamber surrounds the agitator, then cleaning coverage is improved, but access for maintenance becomes difficult
Solution Approach 1:
The cleaner head is divided into separable components: the housing with the surrounding chamber, and the agitator that can be independently removed. This segmentation allows the chamber to provide full cleaning coverage while the agitator remains easily accessible for maintenance and replacement by detaching it from the housing.
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
The solution provides effective cleaning fluid distribution onto the agitator, enhancing cleaning efficiency and preventing clogging, while allowing for easy maintenance and replacement of the agitator and spray nozzle devices.
Implementation Method 1
a spray nozzle device for spraying cleaning fluid onto the agitator in a direction towards the rear side of the housing
Implementation Method 2
The spray nozzle device may include a deflector for deflecting cleaning fluid ejected from the fluid pathway towards the agitator
Data Source
AI summary
A cleaner head for a cleaning appliance including an agitator rotatable about an axis; a housing having a front side, a rear side, and first and second sides which extend between the front and rear sides, said housing defining a chamber which at least partially surrounds the agitator, the chamber having a dirty air inlet and a dirty air outlet; and a spray nozzle device for spraying cleaning fluid onto the agitator in a direction towards the rear side of the housing, said spray nozzle device being fluidly connectable to a cleaning fluid supply tank of a cleaning apparatus.