Modular Jet Impingement Cooling with Exchangeable Plates

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Solution Overview

Problem

The existing cooling apparatuses for heat generating devices require significant time and cost to design and evaluate optimal jet orifice geometries and patterns for efficient cooling, as different devices produce varying heat fluxes and have specific hot spots that need precise impingement.

Innovation Solution

A modular jet impingement, two-phase cooling apparatus with an inlet manifold, jet plate manifold, vapor manifold, and target layer, allowing for easy exchange and evaluation of different jet plates with various orifice patterns, enabling the assembly of multiple cooling structures into a single apparatus.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of manufacture

If traditional cooling apparatus designs are used with fixed jet orifice geometries and patterns, then manufacturing and evaluation are straightforward, but significant time and cost are required to design and build prototypes for different cooling applications

Engineering Contradiction:
Improveease of evaluationVSAvoidtime and cost to design and build prototypes
Core Design Contradiction:
Ease of manufactureVSLoss of time

Solution Approach 1:

The cooling apparatus is segmented into modular components: a reusable manifold body and exchangeable jet plates. Each jet plate is a separate, independently manufacturable component containing specific orifice geometries and patterns. This segmentation allows different jet plates to be manufactured using different optimization criteria and then exchanged in the same apparatus, eliminating the need to build complete prototype systems for each evaluation.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The manifold body serves as a universal platform that can accommodate multiple different jet plates with varying orifice configurations. The standardized interface between the manifold and jet plates allows a single manifold to evaluate numerous jet plate designs, making the apparatus multi-functional and eliminating repeated manufacturing of complete cooling systems for different applications.

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

2Reliability

If custom jet orifice geometries and patterns are designed for specific heat generating devices, then cooling performance is optimized, but the design and prototyping process becomes complex and time-consuming

Engineering Contradiction:
Improvecooling performanceVSAvoiddesign complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The jet plate component is separated from the manifold body, allowing the jet orifice geometry and pattern to be independently optimized for specific heat generating devices without redesigning the entire cooling apparatus. Each jet plate can be customized with precise orifice configurations tailored to particular applications while using the same standardized interface with the manifold.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

Different jet plates can be designed with locally optimized orifice geometries and patterns specific to the heat flux distribution and hot spot locations of particular heat generating devices. This allows customization of cooling characteristics at the jet plate level while maintaining a universal manifold design.

Inventive Principle:
Principle #3Local quality

3Measurement precision

If multiple complete cooling apparatus prototypes are built to evaluate different jet orifice configurations, then optimal cooling solutions can be found, but manufacturing cost and time increase significantly

Engineering Contradiction:
Improveevaluation accuracyVSAvoidmanufacturing cost
Core Design Contradiction:
Measurement precisionVSEase of manufacture

Solution Approach 1:

Only the jet plates need to be manufactured for each evaluation scenario, not complete cooling apparatus prototypes. The expensive and time-consuming manifold manufacturing is performed once, and only relatively simple jet plates with specific orifice patterns are manufactured for each evaluation, dramatically reducing overall manufacturing cost and time while maintaining evaluation accuracy.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

A single universal manifold can evaluate multiple different jet plate designs, replacing the need to manufacture multiple complete cooling apparatus prototypes. This multi-functional approach allows comprehensive evaluation of different jet orifice configurations using one manifold and multiple exchangeable jet plates, significantly reducing manufacturing costs.

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

This modular design reduces the time and cost associated with evaluating jet orifice geometries and patterns, facilitating the experimental testing and deployment of optimal cooling solutions for diverse heat generating devices by allowing for the easy exchange and evaluation of different jet plates.

Implementation Method 1

jet impingement may also be combined with two-phase cooling, where the heat generating device is cooled by the phase change of the coolant fluid from a liquid to a vapor

Methodology Applied
Scientific EffectPhase change: Phase Change

Implementation Method 2

cooling fluid may be used to receive heat generated by the heat generating device by convective thermal transfer

Methodology Applied
Scientific EffectConvective thermal transfer: Convection

Data Source

PatentUS9484283B2Modular jet impingement cooling apparatuses with exchangeable jet plates
Publication Date: 2016.11.01 TOYOTA JIDOSHA KK
  • US9484283B2 patent drawing
  • US9484283B2 patent drawing
  • US9484283B2 patent drawing

AI summary

Modular cooling apparatuses are disclosed. In one embodiment, a cooling apparatus includes an inlet manifold, a jet plate manifold, a plurality of jet plates, a vapor manifold, and a target layer. The inlet manifold includes a fluid distribution chamber, and a plurality of fluid distribution channels symmetrically located within the fluid distribution chamber. The jet plate manifold is coupled to the inlet manifold such that the plurality of jet plate openings is vertically aligned with respect to the plurality of fluid distribution channels. The plurality of jet plates is removably disposed in the jet plate manifold. The vapor manifold has a plurality of walls that define a vapor manifold opening and at least one outlet channel through at least one of the walls. The target layer is coupled to the vapor manifold such that the jet orifice surface of each jet plate is positioned above the target layer.