Modular Spot-Repair Bay with Movable Extraction

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Solution Overview

Problem

Conventional spot repair stations require high energetic efforts due to stationary suction and air supply devices, which are inefficient for small to medium-sized paintwork damages, and often necessitate transporting vehicles between different stations.

Innovation Solution

A modular spot repair station with movable suction and air supply devices, utilizing predetermined paths and rigid exhaust and supply air ducts, allowing for flexible positioning and reduced air volume flow, enabling energy savings and efficient repair processes.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If stationary extraction and air supply devices are used in conventional spot repair stations, then good airflow conditions can be achieved, but energy consumption is high

Engineering Contradiction:
Improveairflow conditionsVSAvoidenergy consumption
Core Design Contradiction:
ReliabilityVSUse of energy by moving object

Solution Approach 1:

The patent applies the dynamics principle by making the extraction device movable along predetermined paths instead of stationary. The extraction device can be positioned close to the repair area and moved to different locations as needed, allowing the system to maintain good airflow conditions only where required rather than throughout the entire workspace. This dynamic positioning reduces the total air volume flow needed from 30,000 m³/h in conventional booths to just 10,000-15,000 m³/h, significantly lowering energy consumption while maintaining effective spot repair capabilities

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The patent implements local quality by creating localized airflow control at the specific repair location rather than providing uniform airflow throughout the entire vehicle workshop. The movable extraction device concentrates extraction capacity precisely where paint work is being performed, ensuring good airflow conditions locally at the repair spot without the need for high energy consumption across the entire facility. This targeted approach maintains repair quality while reducing overall energy usage

Inventive Principle:
Principle #3Local quality

2Ease of operation

If conventional spot repair stations are used, then repair work can be performed, but the effort and energy consumption remain relatively high

Engineering Contradiction:
Improverepair capabilityVSAvoidenergy consumption
Core Design Contradiction:
Ease of operationVSUse of energy by stationary object

Solution Approach 1:

The system transforms the stationary extraction device into a movable one that travels along predetermined paths. This dynamic capability allows the extraction device to follow the repair process wherever it moves along the vehicle, maintaining effective airflow control without requiring the entire workshop to be under high-volume extraction. The device can be easily repositioned to access different repair areas, maintaining ease of operation while dramatically reducing energy consumption from 30,000 m³/h to 10,000-15,000 m³/h

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The patent segments the extraction function from the entire workshop environment and concentrates it in a movable device that serves only the active repair area. Rather than having a stationary system service the whole facility, the extraction capability is divided into a mobile unit that provides focused service exactly where needed. This segmentation allows the system to maintain full repair capability while using minimal energy by avoiding the need to condition air in areas where no work is being performed

Inventive Principle:
Principle #1Segmentation

3Object-generated harmful factors

If stationary extraction devices are used, then air extraction can be performed, but the air volume flow required is high

Engineering Contradiction:
Improveoverspray extractionVSAvoidair volume flow
Core Design Contradiction:
Object-generated harmful factorsVSQuantity of substance

Solution Approach 1:

The movable extraction device dynamically positions itself close to the paint application area, allowing effective capture of overspray with minimal air volume. By following the repair process and maintaining optimal positioning, the system achieves efficient overspray extraction without requiring the high air volumes needed by stationary systems. The device can be moved to maintain the extraction inlet close to the work area, ensuring effective capture with only 10,000-15,000 m³/h compared to conventional 30,000 m³/h requirements

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The movable extraction device acts as an intermediary between the paint application process and the exhaust system. Rather than relying on high-volume air movement from a distant stationary system, the device intermediates by positioning itself strategically close to the repair area, using its mobility to bridge the gap between the work area and the exhaust ducting. This intermediary positioning enables effective overspray capture with significantly reduced air volume requirements

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

The modular design significantly reduces energy consumption by allowing localized air management, achieving repair quality comparable to conventional booths while minimizing energy expenditure to 15% of conventional methods, enabling faster repair times.

Implementation Method 1

The extracted air is transported through this exhaust duct and exits at a different location

Methodology Applied
Scientific EffectForced Convection: Forced Convection

Data Source

PatentEP2744602B1Modular spot-repair bay
Publication Date: 2019.03.13 SPIEKER JURGEN
  • EP2744602B1 patent drawingFigure 1~2
  • EP2744602B1 patent drawingFigure 3~5
  • EP2744602B1 patent drawingFigure 6~8

AI summary

Modular spot-repair bay (100) having at least one motor-vehicle parking position (11), having a modular spot-repair device (200) with at least one extraction device (1, 1') which is connected to an extracted-air line (2), wherein predefined tracks (3, 3') are provided, on which the extraction device (1, 1') can be moved.