Machine Compartment Fascia and Divider Wall for Thermal Zone Separation

Solution Overview

Problem

Conventional machine compartments in appliances often suffer from inefficiency due to the condenser being exposed to heat from the compressor, leading to reduced cooling efficiency and increased workload for the compressor.

Innovation Solution

A divider wall with a gasket is introduced within the machine compartment to separate the warm air zone from the cool air zone, minimizing airflow recirculation and heat transfer between the compressor and condenser, while a fascia with slots and flanges regulates airflow to maintain zone separation.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Device complexity

If the condenser is placed in the machine compartment without separation, then the structure is simple, but the condenser is exposed to heat from the compressor leading to reduced cooling efficiency

Engineering Contradiction:
Core Design Contradiction:
Device complexityVSLoss of energy

Solution Approach 1:

The machine compartment is divided into separate zones using a divider wall with integrated gasket. The divider wall creates distinct warm and cool air zones, separating the compressor (warm zone) from the condenser (cool zone) to prevent heat exposure while maintaining structural organization.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

A gasket is introduced as an intermediary element between the divider wall and the compressor/condenser components. The gasket seals the interface to prevent air leakage and heat transfer between zones, ensuring effective thermal separation without requiring complex insulation structures.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Loss of energy

If a divider wall is introduced to separate warm and cool air zones, then cooling efficiency is improved, but device complexity increases

Engineering Contradiction:
Core Design Contradiction:
Loss of energyVSDevice complexity

Solution Approach 1:

The divider wall and gasket are designed as an integrated assembly where the gasket is attached to the divider wall. This merging of components simplifies installation and reduces the number of separate parts, offsetting the complexity increase from adding the divider wall itself.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The divider wall serves multiple functions: it physically separates the warm and cool air zones, provides a mounting surface for the gasket, and structurally organizes the machine compartment. This multi-functionality reduces the need for additional separate components.

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

3Device complexity

If the compressor and condenser are in direct contact or close proximity without separation, then the device complexity is low, but the compressor workload increases due to heat exposure

Engineering Contradiction:
Core Design Contradiction:
Device complexityVSPower

Solution Approach 1:

The machine compartment is segmented into thermal zones using the divider wall, creating physical separation between the compressor and condenser. This segmentation prevents heat from the compressor from reaching the condenser, reducing the compressor's workload to maintain system temperature.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The gasket acts as a thermal intermediary by sealing the interface between the divider wall and surrounding components. This prevents hot air leakage from the compressor zone to the condenser zone, ensuring the compressor does not work harder to compensate for heat loss.

Inventive Principle:
Principle #24Intermediary (Mediator)

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

This configuration enhances the refrigeration system's efficiency by maintaining separate warm and cool air zones, reducing the compressor's workload and improving overall cooling performance.

Implementation Method 1

a gasket that is operably coupled to the wrapper and defines a warm air zone and a cool air zone of the machine compartment

Methodology Applied
Scientific EffectThermal Insulation: Thermal Insulation

Implementation Method 2

A fascia is operably coupled to the wrapper that is proximate to the machine compartment. The fascia includes an upper portion that defines a plurality of slots

Methodology Applied
Scientific EffectConvection: Convection

Data Source

PatentEP4023973A1Fascia and divider wall for a machine compartment
Publication Date: 2022.07.06
  • EP4023973A1 patent drawingFigure 1
  • EP4023973A1 patent drawingFigure 2
  • EP4023973A1 patent drawingFigure 3

AI summary

A machine compartment (16) assembly for an appliance cabinet (60) includes a fascia (28) that is configured to engage said appliance cabinet (60). The fascia (28) includes an upper portion (30) that defines a plurality of slots (32) along a length of the upper portion (30). The fascia (28) also includes a first side flange (34) that is operably coupled to the upper portion (30) and a second side flange (36) that is operably coupled to the upper portion (30). The first side flange (34) and the second side flange (36) each define a slit (144). A divider wall (18) is proximate to the fascia (28). The divider wall (18) includes a wall body (20) that has an outer edge (112) and defines a warm air zone (24) and a cool air zone (26). The divider wall (18) also includes a gasket (22) is operably coupled to the outer edge (112) of the wall body (20).