Air Compressor Filter With Visual Silica Saturation Indication

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Solution Overview

Problem

Existing air compressor filters face challenges in accurately determining the saturation of silica filtration components, leading to inefficient filtration due to premature or delayed component replacements, which affects production efficiency and costs.

Innovation Solution

An air compressor filter with a visual window allowing users to observe the saturation of silica filtration components through color-changing silica, ensuring timely replacement and maintaining effective filtration by heating or replacing the silica when saturated.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If regular replacement of filtration components is implemented, then filtration effectiveness is maintained, but production efficiency decreases and costs increase due to premature replacement

Engineering Contradiction:
Improvefiltration effectivenessVSAvoidproduction efficiency
Core Design Contradiction:
ReliabilityVSProductivity

Solution Approach 1:

The silica filtration component contains color-changing silica gel that changes color when saturated with moisture. This visual indicator allows users to accurately determine when replacement is needed, preventing premature replacement while ensuring timely replacement to maintain filtration effectiveness.

Inventive Principle:
Principle #32Color changes

Solution Approach 2:

The color-changing silica provides visual feedback about the saturation state of the filtration component. This feedback mechanism enables users to make informed decisions about replacement timing, optimizing both production efficiency and filtration effectiveness.

Inventive Principle:
Principle #23Feedback

2Reliability

If regular replacement of filtration components is implemented, then filtration effectiveness is maintained, but production costs increase

Engineering Contradiction:
Improvefiltration effectivenessVSAvoidproduction costs
Core Design Contradiction:
ReliabilityVSLoss of energy

Solution Approach 1:

The color-changing silica gel provides visual indication of saturation, allowing users to replace the component only when necessary. This eliminates wasteful premature replacement and reduces production costs while maintaining filtration effectiveness.

Inventive Principle:
Principle #32Color changes

Solution Approach 2:

The visual feedback from color-changing silica enables cost-effective maintenance by preventing unnecessary replacements and ensuring timely replacement only when the filtration component actually needs it.

Inventive Principle:
Principle #23Feedback

3Loss of energy

If delayed replacement of silica filtration component is implemented, then production costs are reduced, but filtration effectiveness decreases due to ineffective water filtration

Engineering Contradiction:
Improveproduction costsVSAvoidfiltration effectiveness
Core Design Contradiction:
Loss of energyVSReliability

Solution Approach 1:

The color-changing silica gel provides real-time visual feedback on saturation level, enabling users to replace the component at the optimal moment. This prevents delayed replacement that would compromise filtration effectiveness while avoiding premature replacement that would increase costs.

Inventive Principle:
Principle #32Color changes

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 the moisture content of airflow remains below a preset value by visually indicating saturation, thereby maintaining filtration effectiveness and reducing production inefficiencies and costs.

Implementation Method 1

The color-changing silica in the silica filtration component absorbs water, further removing water from the airflow. At the same time, the color-changing silica changes color as it absorbs water.

Methodology Applied
Scientific EffectAdsorption: Adsorption

Implementation Method 2

The activated carbon filter element in the activated carbon filtration component further adsorbs and filters the remaining oil vapors in the airflow.

Methodology Applied
Scientific EffectAdsorption: Adsorption

Data Source

PatentUS20260034494A1Air compressor filter
Publication Date: 2026.02.05 ZHEJIANG NAN PU PNEUMATIC COMPONENT CO LTD
  • US20260034494A1 patent drawing
  • US20260034494A1 patent drawing
  • US20260034494A1 patent drawing

AI summary

The present disclosure provided an air compressor filter, including a housing, a first filtration component, a second filtration component, a silicone filtration component, and an activated carbon filtration component. The housing is provided with an airflow passage, an airflow inlet, and an airflow outlet in communication with the airflow passage. The first filtration component, second filtration component, silicone filtration component, and activated carbon filtration component are sequentially connected to the housing and communicate with the airflow passage. Airflow enters the airflow passage through the airflow inlet and flows through the first filtration component, second filtration component, silicone filtration component, and activated carbon filtration component in sequence, eventually exiting through the airflow outlet. The silicone filtration component is equipped with a space for holding the color-changing silicone.