Liquid Cooling Head With Shared Stator for Low-Profile Fan-Pump Drive
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Solution Overview
Problem
Conventional liquid cooling heads with integrated fans and pumps face challenges such as excessive height, high manufacturing costs, and operational inefficiencies due to dual-motor arrangements, making them unsuitable for space-constrained applications.
Innovation Solution
A liquid cooling head design with a unified motor system, where a shared stator assembly and circuit board rotate both a fan blade and a pump impeller, integrated within a housing with separated gas and liquid chambers, optimizing space, cost, and efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If dual-motor arrangement (separate fan motor and pump motor) is used, then fan and pump functions are achieved, but overall height becomes excessive and manufacturing costs increase
Solution Approach 1:
The patent combines the fan motor and pump motor into a single integrated motor assembly. The motor shaft is directly coupled to both the fan blade and pump impeller, eliminating the need for separate motors. This merging reduces the overall height of the cooling head while maintaining both fan and pump functions, directly resolving the technical contradiction between achieving dual functionality and minimizing height.
2Ease of operation
If dual-motor arrangement is used, then fan and pump functions are achieved, but manufacturing costs significantly increase
Solution Approach 1:
By integrating both fan and pump drive functions into a single motor assembly with a shared stator, windings, and control circuitry, the patent reduces the number of components that need to be manufactured, assembled, and wired. This consolidation significantly lowers manufacturing costs while maintaining full functionality, directly addressing the cost issue of dual-motor arrangements.
Solution Approach 2:
The single motor assembly serves multiple functions: it drives both the fan blade for air circulation and the pump impeller for liquid circulation. This multi-functionality eliminates the need for separate dedicated motors, reducing component count and manufacturing complexity, thereby lowering overall manufacturing costs while achieving both required functions.
3Adaptability or versatility
If dual-motor arrangement is used, then fan and pump are independently controlled, but operational efficiency reduces due to redundancy
Solution Approach 1:
The single motor assembly with shared windings and control circuitry provides synchronized control of both fan and pump operations. The control system can independently regulate the rotational speed and torque distribution to each output shaft, maintaining adaptability and independent control capability while eliminating the redundancy of separate control systems, thereby improving operational efficiency.
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
The unified motor system reduces height by 25%, enhances operational efficiency by 15%, lowers costs, and enables modular fan blade replacements, providing synchronized thermal management and reduced power consumption.
Implementation Method 1
the blade rotor and the impeller rotor are configured to generate magnetic fields with the same stator assembly to rotate the fan blade and the pump impeller
Data Source
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AI summary
A liquid cooling head including a housing having a gas chamber and a liquid chamber that are separated from each other, a fan blade rotatably disposed in the gas chamber, a pump impeller rotatably disposed in the liquid chamber, and a motor including a circuit board, a stator assembly, a blade rotor, and an impeller rotor, wherein the circuit board is disposed in the gas chamber, the stator assembly is disposed on the circuit board, the blade rotor and the impeller rotor are respectively disposed on the fan blade and the pump impeller, and the blade rotor and the impeller rotor are configured to generate magnetic fields with the same stator assembly to rotate the fan blade and the pump impeller.