Diffuser Cap Extension for Oil Water Separator Cartridges

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Solution Overview

Problem

Existing air compressor systems are inadequate in effectively removing lubricants from condensed water vapor, which poses environmental concerns and requires improved filtering solutions.

Innovation Solution

A filter system comprising a filter housing with removable filter cartridges, utilizing zeolite rock as filtering media, and a diffuser cap to separate and remove lubricants from condensate, allowing for adjustable configurations to accommodate varying compressor capacities.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If a fixed filtering system is installed, then lubricant removal effectiveness is improved, but adaptability to varying compressor capacities deteriorates

Engineering Contradiction:
Improvelubricant removal effectivenessVSAvoidadaptability to varying compressor capacities
Core Design Contradiction:
ReliabilityVSAdaptability or versatility

Solution Approach 1:

The filtering system is divided into multiple removable filter cartridges that can be independently configured. Each cartridge contains filtering media, and the number of cartridges can be adjusted based on compressor capacity requirements, allowing the system to maintain effective lubricant removal while adapting to different operating conditions

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The system incorporates adjustable diffuser cap extensions that can be positioned at different heights to accommodate varying condensate flow rates. The extension height is dynamically adjustable based on compressor capacity, enabling the fixed filtering structure to adapt to changing operational requirements while maintaining reliable lubricant separation

Inventive Principle:
Principle #15Dynamics

2Productivity

If the system is designed for high capacity compressors, then productivity is improved, but ease of manufacture deteriorates

Engineering Contradiction:
Improvecompressor capacity handlingVSAvoidsystem configuration complexity
Core Design Contradiction:
ProductivityVSEase of manufacture

Solution Approach 1:

The system uses standardized, modular filter cartridges that can be stacked in varying quantities based on capacity requirements. This segmentation allows the same basic cartridge design to serve multiple capacity levels, simplifying manufacturing while enabling high-capacity configurations through simple repetition of modules

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The filter cartridges and housing components are designed with universal interfaces and standardized dimensions, allowing the same components to be used across different capacity configurations. This universality reduces manufacturing complexity while enabling the system to handle varying compressor capacities through simple reconfiguration

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

The system efficiently separates and removes lubricants from condensed water, enabling environmentally safe discharge of cleaned water and accommodating changes in compressor capacity without requiring extensive system modifications.

Implementation Method 1

utilizing zeolite rock as filtering media

Methodology Applied
Scientific EffectAdsorption: Adsorption

Implementation Method 2

filter cartridge including an inlet and an outlet and having an impermeable outer casing structured that extends between the inlet and outlet to provide an internal space for an internal filtering media

Methodology Applied
Scientific EffectFiltration: Filter (physical)

Implementation Method 3

a diffuser cap to separate and remove lubricants from condensate

Methodology Applied
Scientific EffectGravitational separation: Gravitation

Data Source

PatentEP3287181B1Oil water separator diffuser cap extension to filter cartridge
Publication Date: 2020.07.29 INGERSOLL RAND IND US INC
  • EP3287181B1 patent drawingFigure 1
  • EP3287181B1 patent drawingFigure 2~3
  • EP3287181B1 patent drawingFigure 4~7

AI summary

During the process of compressing air, atmospheric air along with water vapor and airborne contaminants are ingested into the air compressor. Many of these compressors utilize oil for lubrication, sealing and cooling. A compressor system utilizes drain valves to remove the condensate that accumulates in the system which are typically located on the compressor, moisture separators, coalescing filters, receivers, dryers, and drip legs. While the drain valves successfully remove the condensate, this condensate is now contaminated with lubricant. The compressor system also includes a filter for the removal of lubricant from the condensed water so that the water can be discharged to sewer. The filter is arranged to house a series of vertically stacked filter cartridges, each cartridge structured to pass fluid flow to the other cartridge. The housing is connected to the filter cartridges via a variable length pipe extension dependent on the number of filter cartridges used in an application.