Low profile treatment machine

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Solution Overview

Problem

Existing single-disc floor treatment machines face challenges with access under obstacles due to their large size and power cord limitations, which restrict flexibility and efficiency.

Innovation Solution

A low profile treatment machine equipped with a brushless direct drive (BLDC) motor operating below 500 RPM, eliminating the need for transmission components, allowing for a compact design that can access hard-to-reach areas and reducing noise and vibration.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Power

If a conventional electric motor with high RPM and transmission components is used, then the machine can achieve sufficient cleaning power, but the housing size becomes large (exceeding 15 inches in height)

Engineering Contradiction:

Improvecleaning powerVSAvoidhousing height

Core Design Contradiction:

PowerVSLength of stationary object

Solution Approach 1:

The patent replaces the conventional mechanical transmission system (belts, gears) with a direct-drive motor that connects the motor shaft directly to the cleaning disc. This eliminates the need for complex transmission components and reduces the housing height from over 15 inches to under 15 inches, while maintaining sufficient cleaning power through direct motor-to-disc coupling.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The patent changes the motor operating parameters by using a motor that operates at lower RPM (below 500 RPM) compared to conventional high-RPM motors. This parameter change allows for a more compact housing design while still achieving effective floor treatment through the direct-drive mechanism.

Inventive Principle:

Principle #35Parameter changes

2Power

If mechanical transmission components are included, then the machine can transfer power effectively, but the housing becomes larger and cannot access hard-to-reach areas

Engineering Contradiction:

Improvepower transfer efficiencyVSAvoidaccess to hard-to-reach areas

Core Design Contradiction:

PowerVSAdaptability or versatility

Solution Approach 1:

The patent eliminates mechanical transmission components (belts, gears) by implementing a direct-drive system where the motor shaft is directly coupled to the cleaning disc. This substitution maintains effective power transfer while reducing the housing size to under 15 inches, enabling the machine to access hard-to-reach areas under furniture and in tight spaces.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

3Object-affected harmful factors

If damping equipment is added to reduce vibration and noise, then the machine operates more quietly, but the housing size increases

Engineering Contradiction:

Improvenoise and vibrationVSAvoidhousing height

Core Design Contradiction:

Object-affected harmful factorsVSLength of stationary object

Solution Approach 1:

The patent replaces the conventional high-RPM motor with transmission system with a direct-drive motor operating at lower RPM (below 500 RPM). This substitution inherently reduces vibration and noise generation at the source, eliminating the need for additional damping equipment and maintaining a compact housing design under 15 inches in height.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

4Duration of action of moving object

If a power cord is used for power supply, then the machine can operate continuously, but the user must remain within power cord length of a wall outlet

Engineering Contradiction:

Improvecontinuous operationVSAvoidaccess flexibility

Core Design Contradiction:

Duration of action of moving objectVSAdaptability or versatility

Solution Approach 1:

The patent substitutes the mechanical power cord connection system with an autonomous power system (battery or wireless power transfer). This substitution provides continuous operation capability while eliminating the constraint of remaining within power cord length of a wall outlet, significantly improving access flexibility and user mobility during floor treatment operations.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

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 provides easier access under obstacles, increased operational flexibility, reduced noise, and lower power consumption while maintaining effective floor treatment capabilities.

Implementation Method 1

a brushless direct drive (BLDC) motor operating below 500 RPM

Methodology Applied

Scientific EffectElectromagnetic induction: Electromagnetic Induction

Data Source

PatentUS20250296190A1Low profile treatment machine

Publication Date: 2025.09.25 DIVERSEY INC

AI summary

A floor treatment machine (100) is provided with a low profile housing (101); the floor treatment machine (100) has at least one transport wheel (103), a power supply (102), a brushless direct drive motor (115), a treatment tool (105) wherein the treatment tool (105) is adapted to receive a treatment pad; the direct drive motor (115) is positioned above the treatment tool upper side and presents a radial size greater than its axial size; the motor (115) is adjustable and turns the treatment tool under 500 revolutions per minute. The floor treatment machine reduces power consumption by up to about 30%. Also provided is a method of treating a surface with a low profile treatment machine.