Centralized Fluid Service Cabinet for Floor Machine Maintenance

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Solution Overview

Problem

The existing floor maintenance machines have subsystems such as valves, drains, and filters that are difficult to access, leading to inadequate maintenance and potential damage due to their sporadic placement around the machine chassis, resulting in decreased performance and costly repairs.

Innovation Solution

A centralized service cabinet is coupled to the machine chassis, housing fluid access points that include drains, filters, and valves, allowing for easy access and maintenance from a single location, with features like corrosion-resistant materials and illumination to facilitate inspection and fluid management.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of manufacture

If valves, drains, and filters are placed sporadically around the machine chassis for manufacturability, then manufacturing ease is improved, but accessibility for maintenance deteriorates

Engineering Contradiction:
ImprovemanufacturabilityVSAvoidaccessibility for maintenance
Core Design Contradiction:
Ease of manufactureVSEase of operation

Solution Approach 1:

The patent consolidates multiple fluid access points (valves, drains, filters) from their scattered positions around the machine chassis into a single centralized service cabinet. This merging allows manufacturers to maintain flexible component placement while providing operators unified access to all fluid management components through one location, thereby resolving the contradiction between manufacturability and maintenance accessibility.

Inventive Principle:
Principle #5Merging (Combining)

2Adaptability or versatility

If valves, drains, and filters are placed sporadically around the machine chassis, then device flexibility is improved, but maintenance frequency and performance reliability deteriorate

Engineering Contradiction:
Improvedevice flexibilityVSAvoidmaintenance compliance
Core Design Contradiction:
Adaptability or versatilityVSReliability

Solution Approach 1:

The centralized service cabinet design enables operators to easily perform maintenance tasks themselves without requiring machine disassembly or specialized tools. By making all fluid access points readily accessible in one location, the system encourages regular self-maintenance, which improves reliability while maintaining the flexible sporadic placement of components during manufacturing.

Inventive Principle:
Principle #25Self-service

3Device complexity

If fluid access points are distributed throughout the machine, then subsystem independence is improved, but access time and maintenance efficiency deteriorate

Engineering Contradiction:
Improvesubsystem independenceVSAvoidmaintenance access time
Core Design Contradiction:
Device complexityVSLoss of time

Solution Approach 1:

The service cabinet acts as an intermediary structure that collects and houses multiple fluid access points from various subsystems. This mediator allows each subsystem to maintain its independent fluid management capabilities while providing a unified access point that eliminates the time loss associated with locating and accessing scattered components throughout the machine.

Inventive Principle:
Principle #24Intermediary (Mediator)

Data Source

PatentUS11576549B2Floor maintenance machine with service cabinet
Publication Date: 2023.02.14 RPS CORP
  • US11576549B2 patent drawing
  • US11576549B2 patent drawing
  • US11576549B2 patent drawing

AI summary

A floor maintenance machine includes a chassis, a floor-cleaning implement adapted for engagement with the floor, and a service cabinet. The floor-cleaning implement is supported by the chassis. The service cabinet is coupled to the chassis and defines a cavity. The cavity receives a plurality of fluid access points collectively therein.