Liquid Cooler Pump Layout for Compact Long-Life Circulation

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Solution Overview

Problem

Existing liquid-cooling heat dissipation devices face issues with large volume, limited applicability, insufficient water supply, and short service life, which hinder their effectiveness in managing high heat generation from electronic components.

Innovation Solution

A liquid-cooling heat dissipation device with a pump assembly, liquid input and output connectors, and a heat absorbing structure that includes a heat exchanging chamber, liquid storage room, and channels for efficient liquid circulation, enhanced by sealing elements and a lighting board for operational display.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Duration of action of stationary object

If a liquid-cooling heat dissipation device is designed with sufficient liquid storage capacity, then the service life is extended, but the device volume becomes enormous

Engineering Contradiction:
Improveservice lifeVSAvoiddevice volume
Core Design Contradiction:
Duration of action of stationary objectVSVolume of stationary object

Solution Approach 1:

The liquid storage room is nested within the liquid supplying channel structure, utilizing the internal space of the channel for liquid storage. This allows the device to maintain sufficient liquid capacity without increasing the overall device volume, thereby extending service life while keeping the device compact.

Inventive Principle:
Principle #7Nested doll (Nesting)

Solution Approach 2:

The liquid storage room communicates with the liquid supplying channel through a liquid draining hole positioned at specific locations, creating a multi-level liquid circulation path. This dimensional arrangement allows efficient liquid distribution and storage without requiring excessive volume, thus extending service life while maintaining compact dimensions.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

2Ease of manufacture

If the liquid circulation system is simplified to reduce device complexity, then manufacturing becomes easier, but liquid supply becomes insufficient

Engineering Contradiction:
Improvemanufacturing easeVSAvoidliquid supply
Core Design Contradiction:
Ease of manufactureVSQuantity of substance

Solution Approach 1:

The liquid supplying channel is segmented into multiple sections with a liquid storage room positioned at a specific segment. This segmentation allows the liquid to be distributed through multiple pathways (liquid input channel, liquid output channel) ensuring sufficient liquid supply to the heat exchanging chamber while maintaining a relatively simple overall structure that is easy to manufacture.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The liquid storage room acts as an intermediary reservoir between the liquid input and output channels. It ensures continuous liquid supply to the heat exchanging chamber by providing a buffer storage capacity, thereby maintaining sufficient liquid flow without requiring a complex circulation system.

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

Ensures sufficient liquid supply and extended service life, enabling effective heat dissipation through improved liquid circulation and operational visibility, thus addressing the limitations of existing devices.

Implementation Method 1

a heat absorbing structure connected with the seat. The heat absorbing structure includes a heat exchanging chamber defined therein

Methodology Applied
Scientific EffectThermal conduction: Conduction (thermal)

Implementation Method 2

The pump assembly includes a base and a pump fixed on the base. The base is flatly attached on the seat and includes a pump accommodating groove and a liquid draining hole. The pump includes an impeller accommodated in the pump accommodating groove.

Methodology Applied
Scientific EffectMechanical pumping: Pump

Implementation Method 3

the liquid-cooling heat dissipation device, which has the working liquid, such as water, etc., for circulation cooling function, needs to be used to effectively perform heat dissipation

Methodology Applied
Scientific EffectConvection cooling: Convection

Data Source

PatentUS20250321056A1Liquid-cooling heat dissipation device
Publication Date: 2025.10.16 APALTEK CO LTD
  • US20250321056A1 patent drawing
  • US20250321056A1 patent drawing
  • US20250321056A1 patent drawing

AI summary

A liquid-cooling heat dissipation device includes a liquid cooler, a pump assembly, a liquid input connector, and a liquid output connector. The liquid cooler includes a seat and a heat absorbing structure connected with the seat. The heat absorbing structure includes a heat exchanging chamber defined therein. The seat includes a liquid supplying channel communicating with the heat exchanging chamber. A liquid storage room is defined in the liquid supplying channel. The pump assembly includes a base and a pump fixed on the base. The base is flatly attached on the seat and includes a pump accommodating groove and a liquid draining hole. The pump includes an impeller accommodated in the pump accommodating groove. The liquid draining hole communicates with the liquid storage room. The liquid input connector communicates with the liquid supplying channel. The liquid output connector communicates with the pump accommodating groove.