Smart cleaning cart

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Solution Overview

Problem

Conventional wipe dispensing systems face issues such as wipe drying out, non-uniform saturation, chemical interaction leading to efficacy loss, lack of flexibility in chemical formulations, and inflexibility in fluid combinations, resulting in inefficient and costly cleaning solutions.

Innovation Solution

A smart cleaning cart with a substrate dispenser that allows on-demand fluid dosing, selective application of various fluids or fluid combinations, and position-based operation measurement, enabling flexible and efficient cleaning solutions.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If substrates are pre-dosed with fluid in sealed containers, then the substrates remain saturated and ready for use, but the fluid can evaporate over time and chemicals may interact compromising efficacy

Engineering Contradiction:
Improvesubstrate saturation reliabilityVSAvoidfluid residence time
Core Design Contradiction:
ReliabilityVSLoss of time

Solution Approach 1:

The system separates the substrate storage from the fluid dosing. Substrates are stored in a dry state in the dispenser, and fluid is dosed onto them only when needed. This segmentation prevents fluid evaporation and chemical interaction during storage while ensuring substrate saturation reliability at the point of use.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The system performs preliminary preparation of substrates in a dry state during manufacturing, then delays fluid application until the moment of use. This preliminary action allows substrates to be ready for immediate use while avoiding the problems of long-term fluid storage.

Inventive Principle:
Principle #10Preliminary action

2Adaptability or versatility

If multiple cleaning solutions are carried for different surfaces, then each surface can be cleaned with the appropriate solution, but the cleaning cart becomes overloaded and the process becomes complicated

Engineering Contradiction:
Improvecleaning solution varietyVSAvoidcleaning cart complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The system uses a single substrate dispenser that can work with multiple different fluid reservoirs. Each fluid reservoir can contain a different cleaning solution tailored for specific surfaces, but all are dispensed through the same device. This multi-functionality provides cleaning solution variety without requiring multiple separate dispensing systems.

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

Solution Approach 2:

The substrate acts as an intermediary that transfers different cleaning solutions from various fluid reservoirs to the surfaces being cleaned. This allows the system to handle multiple cleaning solutions through a single interface, reducing cart complexity while maintaining adaptability.

Inventive Principle:
Principle #24Intermediary (Mediator)

3Ease of operation

If wet wipes are stored in dispensing devices, then they are ready for immediate use, but they may dry out due to improper sealing or damage during transportation

Engineering Contradiction:
Improvewipe readinessVSAvoidwipe moisture retention
Core Design Contradiction:
Ease of operationVSReliability

Solution Approach 1:

The system separates substrate storage from fluid storage. Substrates are kept dry in the dispenser until use, eliminating the risk of evaporation and moisture loss during storage. Fluid is stored separately in sealed reservoirs and applied only when needed, ensuring both substrate readiness and moisture retention.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The system treats substrates as disposable items that are stored dry and activated only when used. This approach eliminates the need for long-term moisture retention during storage, as substrates remain dry until the moment of use, then are discarded after a single use.

Inventive Principle:
Principle #27Cheap short-living objects (Disposable)

Data Source

PatentUS20250375069A1Smart cleaning cart
Publication Date: 2025.12.11 DUAL STRATEGIES LLC
  • US20250375069A1 patent drawing
  • US20250375069A1 patent drawing
  • US20250375069A1 patent drawing

AI summary

A smart cart comprises a cart body and a substrate dispenser removably connected to the cart body including a housing including a fluid reservoir and/or a fluid reservoir holder configured to removably receive the fluid reservoir, a substrate advancing mechanism configured to receive and advance a portion of the substrate, an application mechanism configured to apply fluid from the fluid reservoir to the substrate, and a computing system configured to apply the fluid and select amount of fluid for application, composition of fluid for application, and/or portion of the substrate based on an input received by the computing system. The smart cart further includes a control system configured to measure operation of the substrate dispenser and to determine position of the cart body and to transmit the measured operation of the substrate dispenser and the determined position of the cart body to a computer arrangement remote from the cart body.