Packaged air conditioning system having multiple utility connectivity

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Solution Overview

Problem

Packaged air conditioning and heating systems face challenges in installation and serviceability due to limited utility access points, which restrict flexibility and increase installation costs and time.

Innovation Solution

The system incorporates multiple utility access points on opposite sides of the housing, allowing for flexible connectivity of electrical or gas lines to a central control center, enhancing installation options and serviceability.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If multiple utility access points are provided on opposite sides of the housing, then installation flexibility and serviceability are improved, but device complexity increases

Engineering Contradiction:
Improveinstallation flexibilityVSAvoiddevice complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The utility access system is segmented into multiple independent access points located on opposite sides of the housing. Each access point can be independently connected to utility sources, allowing flexible installation configurations without requiring a single complex centralized connection system.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The utility access points are designed with universal connectivity capabilities, supporting both electrical and gas line connections at each access point. This multi-functionality allows the same access point structure to serve multiple utility types, reducing overall system complexity while maintaining versatility.

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

2Ease of manufacture

If utility access points are located on opposite sides of the housing, then installation options and unit positioning are optimized, but manufacturing complexity increases

Engineering Contradiction:
Improveinstallation easeVSAvoidmanufacturing complexity
Core Design Contradiction:
Ease of manufactureVSDevice complexity

Solution Approach 1:

Each side of the housing is equipped with utility access points having identical local quality and configuration. This symmetry allows standardized manufacturing processes to be applied to each access point independently, reducing manufacturing complexity while providing optimal installation options from multiple directions.

Inventive Principle:
Principle #3Local quality

3Ease of repair

If multiple utility access points are provided, then serviceability and maintenance access are improved, but system complexity increases

Engineering Contradiction:
ImproveserviceabilityVSAvoidsystem complexity
Core Design Contradiction:
Ease of repairVSDevice complexity

Solution Approach 1:

The utility connections are extracted from a centralized location and distributed to multiple access points on opposite sides of the housing. This extraction allows service personnel to access and maintain utility connections from either side of the unit, improving serviceability without requiring complex internal routing or disassembly procedures.

Inventive Principle:
Principle #2Taking out (Extraction)

Data Source

PatentUS9759434B2Packaged air conditioning system having multiple utility connectivity
Publication Date: 2017.09.12 LENNOX IND INC
  • US9759434B2 patent drawing
  • US9759434B2 patent drawing
  • US9759434B2 patent drawing

AI summary

One aspect of this disclosure provides a packaged air conditioning & heating (PACH) system that comprises a housing, an air cooling system contained within the housing and an air heating system contained within the housing. A first utility access point is located on a first side of the housing and a second utility access point is located on a second side of the housing. The first and second utility access points provide multiple utility access connectivity for the air cooling and heating systems.