Adjustable Extraction Line for Motor Vehicle Fluid Containers

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Solution Overview

Problem

Existing containers for operating fluids in motor vehicles, particularly for reducing agents in exhaust gas treatment devices, face challenges in being cost-effective, space-saving, low-maintenance, and adaptable to manufacturing tolerances and deformation over time.

Innovation Solution

A container design with an adjustable extraction line that extends from a first wall section to a second wall section, featuring receptacles to transmit forces and accommodate deformation, made from plastic with a metal extraction line for stiffness and thermal insulation, allowing for flexible length adjustment and secure fixation.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Manufacturing precision

If the extraction line length is fixed, then the manufacturing precision is improved, but the adaptability to different container sizes and deformations deteriorates

Engineering Contradiction:

Improveextraction line lengthVSAvoidadaptability to container deformation

Core Design Contradiction:

Manufacturing precisionVSAdaptability or versatility

Solution Approach 1:

The extraction line is designed with a flexible section that can dynamically change its effective length and configuration. This flexible portion allows the extraction line to adapt to container deformations and different fill levels while maintaining a fixed overall structure, resolving the contradiction between manufacturing precision and adaptability.

Inventive Principle:

Principle #15Dynamics

Solution Approach 2:

The extraction line incorporates a flexible section whose physical parameters (length, configuration) can change in response to container conditions. This parameter change capability allows the same extraction line to function effectively across different container states without requiring precise manufacturing for each specific condition.

Inventive Principle:

Principle #35Parameter changes

2Adaptability or versatility

If the extraction line is made flexible to accommodate deformation, then the adaptability is improved, but the structural stability and stiffness deteriorate

Engineering Contradiction:

Improveadaptability to container deformationVSAvoidstructural stability

Core Design Contradiction:

Adaptability or versatilityVSStrength

Solution Approach 1:

The extraction line is segmented into distinct functional zones: rigid sections for structural stability and connection points, and a flexible section for adaptation. This segmentation allows each portion to fulfill its specific function - the rigid parts maintain strength while the flexible part provides adaptability to container deformations.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The extraction line employs composite construction with rigid and flexible portions, combining materials or structures with different mechanical properties. This composite approach enables the extraction line to simultaneously achieve structural stability where needed and flexibility where adaptation is required.

Inventive Principle:

Principle #40Composite materials

3Productivity

If the extraction line extends to the container bottom for complete fluid removal, then the productivity is improved, but the device complexity increases due to additional components

Engineering Contradiction:

Improvefluid removal efficiencyVSAvoidextraction line configuration

Core Design Contradiction:

ProductivityVSDevice complexity

Solution Approach 1:

The extraction line is designed as a multi-functional component that simultaneously achieves complete fluid removal, adapts to container deformations, and maintains structural stability without requiring additional specialized components. This universal design improves productivity while avoiding increased device complexity.

Inventive Principle:

Principle #6Universality (Multi-functionality)

Solution Approach 2:

The flexible section of the extraction line automatically adjusts its configuration based on container conditions and fluid levels, eliminating the need for complex control systems or additional components. This self-adjusting capability enables complete fluid removal while keeping the device simple.

Inventive Principle:

Principle #25Self-service

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

Enables efficient removal of operating fluids regardless of fill level or container deformation, using the same extraction lines for different containers and maintaining operational integrity while being cost-effective and space-efficient.

Implementation Method 1

the first receptacle and the second receptacle are adapted to transmit forces from the container wall to the extraction line

Methodology Applied

Scientific EffectForce transmission: Force

Implementation Method 2

made from plastic with a metal extraction line for stiffness and thermal insulation

Methodology Applied

Scientific EffectThermal insulation: Thermal Insulation

Data Source

PatentEP2567080B1Container having a discharge line for an operating liquid of a motor vehicle

Publication Date: 2014.12.10 EMITEC GESELLSCHAFT FUR EMISSIONSTECHNOLOGIE MBH

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AI summary

The invention relates to a container (1) for an operating liquid (2) for a motor vehicle (3), having a container wall (4) which delimits an interior chamber (5) of the container (1). The container (1) has a first wall section (6) and a second wall section (7) and at least one discharge line (8) for discharging operating liquid (2) out of the container (1) having a length (9). The discharge line (8) extends from the first wall section (6) to the second wall section (7) and it can be adjusted in its length (9) to a distance (10) between the first wall seciton (6) and the second wall section (7).