Powered Brush Cleaning Head for Uneven Surface Dirt Removal
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Solution Overview
Problem
Suction cleaning apparatuses face challenges in effectively removing dirt and debris from uneven surfaces, such as corrugated filters, due to the limitations of traditional suction heads that lack agitation capabilities.
Innovation Solution
A powered cleaning head with a brush head configuration, featuring a bristle skirt driven by a motor to rotate or oscillate, is integrated into a suction cleaning apparatus. This design includes a main body with an inlet and outlet portion, a bristle base with flexible bristles, and a drive mechanism that couples power to the bristle base for agitation, enhancing dirt removal by creating a channel for loose particles to move inwardly towards the suction source.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a traditional suction head is used, then the structure is simple, but it cannot effectively remove dirt from uneven surfaces
Solution Approach 1:
The patent combines suction cleaning and agitation cleaning functions into a single integrated cleaning head. The brush head with rotating bristles is merged with the suction nozzle, allowing simultaneous mechanical agitation and vacuum suction to effectively clean uneven surfaces while maintaining reasonable structural complexity
2Productivity
If a brush head with agitation capability is added, then cleaning performance on uneven surfaces is improved, but device complexity increases
Solution Approach 1:
The bristle base is designed to rotate about a rotation axis, transforming the static brush head into a dynamic component. This rotational motion enables the bristles to agitate and lift dirt from uneven surfaces, significantly improving cleaning performance while the rotation mechanism remains relatively simple
Solution Approach 2:
The bristle base is rotatably received within a bristle receptacle that is formed between the inlet tubular portion and the outer tubular portion. This nested arrangement allows the rotating bristle base to be housed compactly within the cleaning head structure, minimizing overall complexity
3Productivity
If the bristle skirt extends beyond the inlet tubular portion, then agitation capability is enhanced, but the risk of dirt outflow increases
Solution Approach 1:
The patent converts the potential harmful effect of extended bristle skirt (which could allow dirt outflow) into a beneficial feature. The suction force generated by the powered suction source actively draws loosened particles inward through the inlet aperture, transforming the risk of dirt outflow into effective dirt collection and removal
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 powered cleaning head effectively agitates and collects dirt and debris from uneven surfaces, ensuring efficient removal by guiding particles into the suction channel, reducing outflow and improving overall cleaning performance on complex surfaces.
Implementation Method 1
an outlet nozzle which defines an outlet aperture and is configured for coupling to a powered suction source whereby suction and electrical power are to be received from the powered suction source
Data Source
AI summary
A cleaning head (100) of a suction cleaning apparatus (10) comprising a brush head (140) configured for agitation cleaning during suction cleaning and the suction cleaning apparatus (10) comprising the cleaning head (100) are disclosed. The cleaning head (100) comprises a tubular housing comprising an inlet portion (122) including an inlet nozzle (132) which extends along a centre axis defining an axial direction, an outlet portion (124) having an outlet end, and an intermediate portion (126) interconnecting the inlet portion (122) and the outlet portion (124); the brush head (140) comprising a plurality of bristles (142) arranged to form a bristle skirt having a forward end; and a motor (152) configured to drive the brush head (140) to rotate or oscillate about a rotation axis.