Steam Mop Pad Layout for Longer Cleaning Between Changes

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Solution Overview

Problem

Conventional steam mops face limitations in cleaning efficiency and pad durability, as the cleaning pad becomes saturated and soiled quickly, requiring frequent replacement or laundering.

Innovation Solution

A surface cleaning apparatus with a foot assembly biased relative to the handle assembly, featuring a steam distributor with hooded members to direct steam effectively and a cleaning pad design allowing for dual-sided use, enhancing cleaning efficiency and pad longevity.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If steam is applied to the cleaning pad to clean floor surfaces, then cleaning effectiveness is improved, but the cleaning pad becomes saturated and soiled quickly requiring frequent replacement or laundering

Engineering Contradiction:
Improvecleaning efficiencyVSAvoidpad usage duration
Core Design Contradiction:
ProductivityVSDuration of action of moving object

Solution Approach 1:

The cleaning pad is divided into two separate usable surfaces (front and back sides), allowing the pad to be used on both sides before replacement. This segmentation effectively doubles the pad's service life without changing the pad's physical structure or cleaning mechanism.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

Instead of discarding the pad after one side is soiled, the invention recovers additional utility by flipping the pad to use the clean back side. This extends the pad's functional life and reduces waste, addressing the contradiction between cleaning effectiveness and pad durability.

Inventive Principle:
Principle #34Discarding and recovering

2Device complexity

If a single-sided cleaning pad is used, then the structure is simple, but the pad requires frequent replacement reducing productivity

Engineering Contradiction:
Improvepad structure complexityVSAvoidcleaning efficiency
Core Design Contradiction:
Device complexityVSProductivity

Solution Approach 1:

The pad structure incorporates two distinct cleaning surfaces separated by a peripheral cleaning surface, allowing dual-sided use. This simple structural segmentation enables the pad to serve twice as long without complicating the manufacturing process or increasing device complexity.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The cleaning pad is designed to perform the same cleaning function on both its front and back sides, making it a multi-functional single component. This universality allows one pad to replace what would traditionally require two pads, improving productivity without increasing complexity.

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

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 apparatus ensures continuous steam application and extended pad usage, improving cleaning efficiency and reducing the frequency of pad replacement or laundering.

Implementation Method 1

a steam boiler with a heating element to heat the water

Methodology Applied
Scientific EffectHeating: Heating

Implementation Method 2

Steam vapor eventually saturates the entire cleaning pad as the moisture wicks outwardly from the point of steam application

Methodology Applied
Scientific EffectCapillary action: Capillary Action

Data Source

PatentUS9521940B2Surface cleaning apparatus
Publication Date: 2016.12.20 BISSELL INC
  • US9521940B2 patent drawing
  • US9521940B2 patent drawing
  • US9521940B2 patent drawing

AI summary

A surface cleaning apparatus includes a fluid delivery system having a manifold with a plurality of release openings for delivering a cleaning fluid to the surface to be cleaned. A plurality of hooded members are configured to direct cleaning fluid delivered from the plurality of release openings toward the surface to be cleaned.