Detachable Hydrogen Filter Assembly for Condensation and Cleaning

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Solution Overview

Problem

Existing hydrogen generators face issues with poor filtration and condensation efficiency due to the accumulation of electrolytes and impurities, requiring frequent disassembly for cleaning, and inadequate temperature management, leading to potential inhalation of residual substances.

Innovation Solution

A hydrogen generator with a detachable filter system, featuring a filter channel device and condenser that can be easily cleaned or replaced without disassembling other components, combined with an extendable condensation flow channel and heat dissipation elements for improved filtration and condensation efficiency.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If the filter or condensation device is integrated into the hydrogen generator with closed pipelines, then the device structure is compact and complete, but the filter and condensation device cannot be cleaned without disassembling the entire device, making maintenance inconvenient and complex

Engineering Contradiction:
Improveconvenience of filter cleaningVSAvoidintegration of pipelines and components
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The patent divides the hydrogen generator into modular components: a generator body and a detachable filter assembly. The filter assembly includes the filter, condensation device, and connected pipelines as an integrated unit that can be separated from the generator body. This segmentation allows the filter assembly to be removed and cleaned independently without disassembling the entire device, resolving the contradiction between ease of maintenance and device integration.

Inventive Principle:
Principle #1Segmentation

2Reliability

If the filter is used to remove electrolytes and impurities from hydrogen gas, then the purity of inhaled hydrogen is improved, but electrolytes and impurities accumulate in the filter over time, reducing filtration effectiveness

Engineering Contradiction:
Improvefiltration effectivenessVSAvoidaccumulation of electrolytes and impurities
Core Design Contradiction:
ReliabilityVSLoss of substance

Solution Approach 1:

The patent implements a removable filter assembly that can be easily detached from the generator body. When the filter becomes saturated with accumulated electrolytes and impurities, the entire filter assembly can be removed and replaced or cleaned externally. This approach allows for periodic restoration of filtration effectiveness without requiring complex in-situ cleaning mechanisms, addressing both the need for reliable filtration and the issue of substance accumulation.

Inventive Principle:
Principle #34Discarding and recovering

3Reliability

If the condensation device is designed to reduce temperature and condense steam in hydrogen gas, then the purity of hydrogen gas is improved, but the device structure becomes more complex and difficult to maintain

Engineering Contradiction:
Improvecondensation effectivenessVSAvoidstructure of condensation device
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent combines the condensation device with the filter and connected pipelines into a single integrated filter assembly. This merged structure performs both filtration and condensation functions within one removable unit. By combining these functions, the patent avoids the complexity of maintaining separate condensation and filtration systems, while still achieving effective temperature reduction and steam condensation to improve hydrogen gas purity.

Inventive Principle:
Principle #5Merging (Combining)

4Productivity

If the electrolysis device operates at elevated temperature to generate hydrogen gas, then the hydrogen generation efficiency is improved, but the temperature of hydrogen gas increases, requiring effective cooling and condensation

Engineering Contradiction:
Improvehydrogen generation efficiencyVSAvoidtemperature of hydrogen gas
Core Design Contradiction:
ProductivityVSTemperature

Solution Approach 1:

The patent introduces the filter assembly with condensation device as an intermediary component between the electrolysis device and the user. This intermediary structure receives the high-temperature hydrogen gas from the electrolysis device, performs cooling and condensation to reduce temperature and remove steam, then delivers the cooled, purified hydrogen gas to the user. This mediator approach allows the electrolysis device to operate efficiently at elevated temperatures while still providing safe, cool hydrogen gas for inhalation.

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

Enhances convenience and efficiency in maintenance by allowing easy filter replacement and improves filtration and condensation performance, ensuring higher purity hydrogen inhalation.

Implementation Method 1

the electrolysis module is configured to receive and electrolyze the electrolyzed water from the water tank to generate and output a gas comprising hydrogen

Methodology Applied
Scientific EffectElectrolysis: Electrolysis

Implementation Method 2

the condenser is fluidly coupled to the filter channel device to receive and condense the gas comprising hydrogen from the filter channel device

Methodology Applied
Scientific EffectCondensation: Condensation

Implementation Method 3

combined with an extendable condensation flow channel and heat dissipation elements for improved filtration and condensation efficiency

Methodology Applied
Scientific EffectHeat dissipation: Heat Sink

Data Source

PatentEP4653577A1Hydrogen generating device having extractable filtering structure
Publication Date: 2025.11.26 LIN HSIN YUNG
  • EP4653577A1 patent drawingFigure 1
  • EP4653577A1 patent drawingFigure 2
  • EP4653577A1 patent drawingFigure 3

AI summary

A hydrogen generator with detachable filter comprises a water tank, an electrolysis module configured in the water tank, a filter channel device coupled to the water tank, a humidifying module, vertically configured above the water tank, an integrated channel device vertically configured above the humidifying module, and a condenser configured on the integrated channel device. The electrolysis module is configured to electrolyze water contained in the water tank to generate gas comprising hydrogen. The humidifying module includes a humidifying chamber and a gas channel isolated from the humidifying chamber. The filtering device is arranged in the gas channel to receive and filter the gas comprising hydrogen generated by the electrolysis module. The condenser is configured to condense the gas comprising hydrogen outputted by the filtering device. The integrated channel device includes a gas input channel for guiding the gas comprising hydrogen outputted from the condenser into the humidifying chamber.