Surface treatment apparatuses and methods

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Solution Overview

Problem

Existing surface treatment appliances lack versatility in steam distribution and cleaning modes, limiting their effectiveness and efficiency in various cleaning operations.

Innovation Solution

A surface treatment apparatus with a connector assembly that includes a universal joint and a change-over device, allowing the mop head to rotate and switch between steam output modes, and a scrubbing mechanism for enhanced cleaning performance.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If the mop head is fixed in a single orientation, then the structure is simple, but the steam distribution and cleaning modes lack versatility

Engineering Contradiction:
Improvesteam distribution and cleaning modesVSAvoidconnector assembly structure
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The mop head is made rotatable relative to the connector assembly through a universal joint mechanism, allowing it to change orientation dynamically. This enables the steam distribution system to adapt to different cleaning scenarios by directing steam to different surfaces of the mop head based on its rotational position, thereby improving versatility without requiring multiple separate devices.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The connector assembly is designed with a universal joint that allows the mop head to assume multiple orientations and positions. This single connector structure serves multiple functions: it connects the steam source, enables rotation for different cleaning modes, and accommodates various mop head configurations. The universal design allows the same apparatus to perform both steam cleaning and scrubbing operations.

Inventive Principle:
Principle #6Universality (Multi-functionality)

2Use of energy by moving object

If steam is directed to both surfaces of the mop head simultaneously, then steam distribution is maximized, but energy efficiency decreases

Engineering Contradiction:
Improveenergy efficiencyVSAvoidcleaning coverage
Core Design Contradiction:
Use of energy by moving objectVSProductivity

Solution Approach 1:

The steam distribution system is made dynamic by linking steam flow direction to the rotational position of the mop head. The system automatically directs steam to the surface that is oriented downward or toward the cleaning surface based on the mop head's current orientation. This dynamic adaptation ensures steam is always applied where needed, improving energy efficiency while maintaining effective cleaning coverage.

Inventive Principle:
Principle #15Dynamics

3Adaptability or versatility

If the connector assembly allows free rotation, then versatility is improved, but control over steam direction becomes difficult

Engineering Contradiction:
Improvemop head orientationVSAvoidsteam flow control
Core Design Contradiction:
Adaptability or versatilityVSEase of operation

Solution Approach 1:

The connector assembly incorporates a mechanism that provides feedback between the mop head's rotational position and the steam flow direction. The universal joint is coupled with the steam distribution system such that the physical position of the mop head automatically informs and controls the direction of steam flow. This feedback mechanism ensures that steam is directed to the appropriate surface based on the current orientation, maintaining ease of operation while enabling versatile positioning.

Inventive Principle:
Principle #23Feedback

Data Source

PatentEP3302207B1Surface treatment apparatuses and methods
Publication Date: 2021.02.24 SHARKNINJA OPERATING LLC
  • EP3302207B1 patent drawingFigure 1A
  • EP3302207B1 patent drawingFigure 1B
  • EP3302207B1 patent drawingFigure 1C

AI summary

Methods and apparatuses for surface treatment may comprise a body, a connector assembly and a mop head configured to be used in non-steam and/or steam operations. The connector assembly may be configured to comprise of a universal joint to receive different bodies or different mop heads. The mop head may be configured to rotate relative to the connector assembly about a transverse axis. One or both surfaces of the mop head may be used for cleaning and a change over valve mechanism may direct steam flow from one surface of the mop head to the other. The apparatus may be configured to be used for both normal area cleaning in a normal area cleaning mode and to clean hard and messy stains in a steam blast mode with or without scrubbing action. In an embodiment, the apparatus may be configured to comprise a mop head comprising releasable flaps.