Oscillating Cleaning Plate Layout for Stable Surface Treatment
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Solution Overview
Problem
Existing surface treatment machines for carpets, tiles, and wood surfaces face issues with cleaning effectiveness, energy efficiency, and user comfort due to vertical instability, excessive energy consumption, and inefficient cleaning agents, particularly with synthetic towels that do not absorb or scrub well.
Innovation Solution
A surface treatment machine design featuring a motor-driven cleaning plate assembly with offset drivers and ball bearings that oscillate parallel to the surface, minimizing vertical instability and energy use, and utilizing a cleaning pad with absorbent materials for effective cleaning.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If the motor and drive assembly are positioned high above the cleaning plate, then the machine structure is simplified, but vertical instability increases causing unwanted oscillation and user fatigue
Solution Approach 1:
The patent repositions the motor and drive assembly from a vertical arrangement (high above the cleaning plate) to a horizontal arrangement (close to the cleaning plate). This dimensional change in component layout reduces the vertical moment arm, thereby minimizing vertical instability and unwanted oscillation while maintaining structural simplicity.
2Productivity
If a rectangular cleaning plate is used, then cleaning effectiveness along straight edges and in corners is improved, but the machine may experience increased vertical instability
Solution Approach 1:
The patent employs a rectangular cleaning plate with asymmetric drive mechanisms positioned close to the plate. The rectangular shape provides superior cleaning effectiveness along straight edges and in corners compared to round plates, while the asymmetric positioning of the drive assembly near the plate minimizes vertical oscillation through reduced moment arm.
3Device complexity
If synthetic cleaning towels are used, then the machine structure is simplified, but cleaning effectiveness decreases due to poor absorption and scrubbing performance
Solution Approach 1:
The patent transitions from simple synthetic towels to composite cleaning materials that combine absorbent properties with scrubbing effectiveness. The cleaning system uses composite pads or towels that integrate multiple material properties to simultaneously achieve good absorption, effective scrubbing, and mechanical durability, thereby improving cleaning effectiveness without significantly increasing system complexity.
4Productivity
If high power motors are used to drive the cleaning plate, then cleaning effectiveness is improved, but energy consumption increases
Solution Approach 1:
The patent replaces high-power direct-drive motors with a mechanical advantage system using gears, belts, or linkages. This mechanical substitution allows a lower-power motor to achieve the same cleaning effectiveness by amplifying force and optimizing the oscillation mechanism, thereby reducing energy consumption while maintaining cleaning performance.
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 machine achieves improved cleaning effectiveness, reduced energy consumption, and enhanced user comfort by minimizing vertical oscillations and utilizing an absorbent cleaning pad, leading to increased efficiency and extended machine lifespan.
Implementation Method 1
The cleaning plate assembly has an eccentric drive member engaging the offset drivers to drive the cleaning plate assembly in an oscillating pattern parallel to the XY-plane and relative to the body plate
Implementation Method 2
one or more ball bearings positioned between the body plate and the cleaning plate for separating the body plate and the cleaning plate
Data Source
AI summary
A machine for treating a surface lying in an XY-plane comprising a body, a body plate attached to the body, a drive assembly attached to the body and a cleaning plate assembly. The drive assembly includes a motor having a motor drive shaft and a transmission having offset drivers driven by the motor drive shaft. The cleaning plate assembly has an eccentric drive member engaging the offset drivers to drive the cleaning plate assembly in an oscillating pattern parallel to the XY-plane and relative to the body plate.