Transmission Assembly Support with Reinforcing Bars

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Solution Overview

Problem

Existing motor vehicle transmission assembly supports fail to provide a stable mounting, especially in rear bearing points, when external forces are applied, such as during a side crash, leading to inadequate absorption of longitudinal and transverse forces.

Innovation Solution

An assembly support with a supporting element connected to the vehicle body, featuring an upper shell with a closing plate and reinforcing bars between them, along with a U-shaped bridge support and bearing spindle, ensures secure and stable mounting by absorbing vertical, longitudinal, and transverse forces through a strong connection to the vehicle body.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Strength

If reinforcing parts are arranged on the inside in profiles of the mounting structure, then the strength is improved, but the device complexity increases

Engineering Contradiction:
ImprovestrengthVSAvoiddevice complexity
Core Design Contradiction:
StrengthVSDevice complexity

Solution Approach 1:

The mounting structure is divided into modular components: an upper shell, a closing plate, and discrete reinforcing bars that can be independently positioned and secured. This segmentation allows for simplified manufacturing and assembly while maintaining structural integrity.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The upper shell and closing plate are merged into an integrated mounting structure that collectively provides both structural support and reinforcement. The reinforcing bars are combined with the shell and plate to form a unified load-bearing assembly.

Inventive Principle:
Principle #5Merging (Combining)

2Stability of the object's composition

If reinforcing ribs are held in profiles via pins, then the stability is improved, but the ease of manufacture deteriorates

Engineering Contradiction:
ImprovestabilityVSAvoidease of manufacture
Core Design Contradiction:
Stability of the object's compositionVSEase of manufacture

Solution Approach 1:

The reinforcing bars are pre-positioned within the upper shell and closing plate assembly before final mounting to the vehicle body. This preliminary positioning ensures proper alignment and stability without requiring complex pinning operations during manufacturing.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The reinforcing bars are designed to be self-positioning within the mounting structure, utilizing the geometry of the upper shell and closing plate to maintain their location without requiring additional fastening mechanisms like pins.

Inventive Principle:
Principle #25Self-service

3Reliability

If multiple fastening points are provided, then the reliability is improved, but the device complexity increases

Engineering Contradiction:
ImprovereliabilityVSAvoiddevice complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The upper shell and closing plate assembly serves multiple functions simultaneously: it provides structural support, incorporates reinforcement elements, and includes integrated fastening openings for secure mounting. This multi-functionality reduces the need for separate components.

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

Solution Approach 2:

The mounting structure utilizes a composite assembly of the upper shell, closing plate, and reinforcing bars that work together to provide enhanced reliability. The combination of these elements creates a structurally superior mounting solution compared to single-material approaches.

Inventive Principle:
Principle #40Composite materials

Data Source

PatentUS7958963B2Assembly support for a motor vehicle transmission
Publication Date: 2011.06.14 DR ING H C F PORSCHE AG
  • US7958963B2 patent drawing
  • US7958963B2 patent drawing
  • US7958963B2 patent drawing

AI summary

An assembly support has a supporting element which is connected to the vehicle body and has an upper shell with a connected closing plate, and reinforcing bars are arranged in the region of fastening openings between the upper shell and the closing plate. A bridge support is connected to the supporting element, the bridge support is held with free limb ends in bearing eyes of the supporting element, and a bearing spindle for a transmission bearing being arranged between the bearing eyes.