Clean Room Air Guiding Layout for Low-Turbulence Aseptic Flow

Resolve Bottlenecks,
Find Innovative Solutions
Generate Solutions

Solution Overview

Problem

Existing clean rooms, particularly those used in medical product production, face contamination issues due to turbulent air flows generated by laminar air flows interacting with production equipment and surfaces, leading to the whirlup of dirt particles and germs.

Innovation Solution

The implementation of an air guiding device with elements that divert low-turbulence air flows around production areas and facilities, preventing direct contact and minimizing turbulence, using smooth, strategically placed air guiding elements made of sheet metal or other materials to shield these areas from the air flow.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If laminar air flow is introduced into the clean room area, then the risk of dirt particles or germs entering is reduced, but turbulent air flows are generated due to impact with technical equipment and work surfaces

Engineering Contradiction:
Improvecontamination preventionVSAvoidturbulence effects
Core Design Contradiction:
ReliabilityVSObject-affected harmful factors

Solution Approach 1:

Air guiding elements are introduced as intermediary components between the air flow and production equipment. These elements redirect the air flow paths so that the air flow bypasses technical equipment and work surfaces, preventing direct impact while maintaining the protective function of the air flow system.

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The air flow system is segmented into multiple paths by introducing air guiding elements. Instead of a single direct air flow path, the system creates multiple redirected paths that navigate around production equipment, thereby maintaining laminar flow characteristics while avoiding turbulence-generating obstacles.

Inventive Principle:
Principle #1Segmentation

2Reliability

If air flow is directed through the clean room from ceiling to floor, then contamination is minimized, but direct impact with production facilities causes dirt particles to be whirled up

Engineering Contradiction:
Improveaseptic conditionsVSAvoidwhirlup of dirt particles
Core Design Contradiction:
ReliabilityVSObject-generated harmful factors

Solution Approach 1:

Air guiding elements serve as mediators that intercept and redirect the downward air flow before it can directly impact production facilities. This prevents the air flow from picking up dirt particles from equipment surfaces while maintaining the overall downward flow direction for contamination control.

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The air flow path is modified by adding lateral redirection components. Instead of purely vertical flow, the air guiding elements introduce horizontal or angled flow components that guide air around production facilities in three-dimensional space, preventing direct impact while maintaining flow continuity.

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

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

This solution effectively reduces turbulence and contamination risks by guiding the air flow around production equipment, maintaining aseptic conditions and ensuring the cleanliness of medical products.

Implementation Method 1

supplying a low-turbulence air flow into the clean room and with air extraction openings for extracting the low-turbulence air flow

Methodology Applied
Scientific EffectLaminar flow: Laminar Flow

Data Source

PatentEP2806222B1Clean room for producing objects and method for operating a clean room
Publication Date: 2017.04.05 GERRESHEIMER REGENSBURGH GMBH
  • EP2806222B1 patent drawingFigure 1~2
  • EP2806222B1 patent drawingFigure 3~4
  • EP2806222B1 patent drawingFigure 5

AI summary

The invention relates to a clean room (1) for producing objects, in particular medical products (3), with production areas (26) and production facilities (30, 31, 32, 33, 34) and with air supply openings for supplying a low-turbulence air flow (10, 15) into the clean room (1) and with air extraction openings (11) for extracting the low-turbulence air flow (10, 15), which may be contaminated with dirt particles, out of the clean room (1), in which in one or more air flow paths (14) between the air supply openings and the air extraction openings (11), an air guiding device (25) with air guiding elements (20, 21, 22, 23, 24) is arranged in such a way that the low-turbulence air flow (10, 15) bypasses a flow through the production areas (26) and/or the Production facilities (30, 31, 32, 33, 34) cause the air flow to be deflected at least partially around the production areas (26) and/or the production facilities (30, 31, 32, 3rd 3, 34) can be routed around.