Modular Vehicle Pillar Cladding with Universal Lower Part

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Solution Overview

Problem

Current cladding systems for motor vehicle pillars face challenges in achieving a seamless, visually appealing transition without visible gaps, as they require different lower parts for varying instrument panel heights, leading to increased component costs and logistical complexities.

Innovation Solution

A modular cladding system where a single lower part can be combined with various middle parts, allowing for minimal distance adjustments and complementary contact areas to form a closed contour, enabling the use of a common lower part across different instrument panel designs, thus eliminating the need for multiple lower parts.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Shape

If different lower parts are used for varying instrument panel heights to achieve seamless transition, then visual appearance is improved, but component variety and manufacturing cost increase

Engineering Contradiction:
Improvevisual appearanceVSAvoidcomponent variety
Core Design Contradiction:
ShapeVSDevice complexity

Solution Approach 1:

The lower part is designed with a universal contact area that can accommodate different instrument panel heights through variable positioning. The contact area includes a lower edge that can be positioned at different vertical locations relative to the middle part, allowing the same lower part to work with multiple instrument panel configurations without requiring different component variants.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Solution Approach 2:

The cladding system is divided into distinct functional segments: the lower part with its specific contact area geometry, the middle part with its interface structure, and the instrument panel. This segmentation allows the lower part to maintain a standardized design while the middle part absorbs the variability needed to accommodate different instrument panel heights, reducing overall component variety.

Inventive Principle:
Principle #1Segmentation

2Adaptability or versatility

If multiple lower parts are produced to accommodate different instrument panel designs, then adaptability is improved, but manufacturing cost and logistics complexity increase

Engineering Contradiction:
Improveadaptability to instrument panel designsVSAvoidmanufacturing cost
Core Design Contradiction:
Adaptability or versatilityVSEase of manufacture

Solution Approach 1:

A single lower part design serves multiple instrument panel configurations through its configurable contact area positioning. The contact area is designed to engage with the middle part at different vertical positions, enabling one lower part to replace what would traditionally require multiple variants, thereby simplifying manufacturing and reducing costs.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Solution Approach 2:

The system accommodates different instrument panel heights by varying the vertical position parameter of the contact area relative to the middle part, rather than changing the entire lower part geometry. This parameter adjustment within a standardized component design allows adaptability without requiring multiple manufacturing processes or tooling sets.

Inventive Principle:
Principle #35Parameter changes

3Ease of operation

If the lower edge of the instrument panel is positioned at different height levels on driver and passenger sides, then functionality is improved, but achieving seamless transition requires different lower parts

Engineering Contradiction:
ImprovefunctionalityVSAvoidcomponent symmetry
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The contact area of the lower part is designed with asymmetric positioning capabilities relative to the middle part. This allows the lower edge of the instrument panel to be positioned at different height levels on the driver and passenger sides while still achieving seamless transitions, as the contact area can be configured to match each side's specific height requirements without requiring different lower part variants.

Inventive Principle:
Principle #4Asymmetry

Data Source

PatentEP3710314B1Trimming system, method for producing a trimmed motor vehicle body, and motor vehicle
Publication Date: 2022.09.21 VOLKSWAGEN AG
  • EP3710314B1 patent drawingFigure 1
  • EP3710314B1 patent drawingFigure 2
  • EP3710314B1 patent drawingFigure 3

AI summary

The invention relates to a trimming system for at least partially trimming a motor vehicle pillar, in particular an A-pillar, to a method for producing a trimmed motor vehicle body, and to a motor vehicle, in particular a passenger car. The invention relates to a trimming system (10) for at least partially trimming a motor vehicle pillar, in particular an A-pillar. Said trimming system comprises a lower part (20) and a first middle part (21). The lower part (20) and the first middle part (21) have contact regions (30, 31) that are complementary to each other. The first middle part (21) and the lower part (20) can be positioned relative to each other in such a way that the first middle part and the lower part jointly form an at least nearly closed contour. The trimming system (10) also comprises a second middle part (22), which differs from the first middle part (21) in shape and/or size and which has a contact region (32) that is complementary to the contact region (30) of the lower part (20). The lower part (20) and the second middle part (22) can be positioned relative to each other in such a way that the lower part and the second middle part jointly form an at least nearly closed contour.