Angled Brake Push-Rod Layout for Engine Bay Space Conflicts

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Solution Overview

Problem

Conventional component-push-rod units in vehicle brake systems face conflicts and space constraints due to perpendicular alignment with the vehicle wall, leading to overlaps and insufficient space for components in the engine compartment.

Innovation Solution

The component-push-rod unit is arranged at an angle, typically between 1° and 30°, preferably 3° to 10°, about the Z-axis, allowing flexible installation and reducing space requirements by avoiding perpendicular alignment with the vehicle wall.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If the component is arranged perpendicular to the vehicle wall with its longitudinal extension in the X direction, then the push rod can be aligned linearly with the pedal direction of movement, but conflicts arise with other components (battery, body parts) and insufficient free space remains

Engineering Contradiction:
Improvealignment with pedal movementVSAvoidspace availability in engine compartment
Core Design Contradiction:
Ease of operationVSArea of stationary object

Solution Approach 1:

The component is rotated about the Z-axis by an angle between 1° and 30° relative to the perpendicular direction of the vehicle wall. This angular deviation repositions the component and push rod in three-dimensional space, allowing them to avoid conflicts with other engine compartment components while maintaining functional alignment with the pedal movement through geometric compensation.

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

2Ease of manufacture

If the component is arranged perpendicular to the vehicle wall, then the installation is straightforward, but overlaps with other components occur and space requirements are not met

Engineering Contradiction:
Improveinstallation simplicityVSAvoidspace optimization
Core Design Contradiction:
Ease of manufactureVSAdaptability or versatility

Solution Approach 1:

The mounting system incorporates adjustable mounting points and angular positioning capabilities that allow the component to be installed at optimized angles rather than fixed perpendicular orientation. This dynamic adaptability enables space optimization in the engine compartment while maintaining installability through flexible mounting mechanisms.

Inventive Principle:
Principle #15Dynamics

3Area of stationary object

If the component is rotated at an angle about the Z-axis, then space conflicts are avoided and space usage is optimized, but the alignment with pedal movement direction must be maintained through precise angular positioning

Engineering Contradiction:
Improvespace utilizationVSAvoidangular positioning accuracy
Core Design Contradiction:
Area of stationary objectVSManufacturing precision

Solution Approach 1:

The system employs precisely controllable angular parameters for component positioning, where the rotation angle about the Z-axis is optimized within a specific range (1°-30°). This parameter-based approach allows space optimization while maintaining functional alignment through defined angular relationships between the component, push rod, and pedal movement direction.

Inventive Principle:
Principle #35Parameter changes

Data Source

PatentUS20250108781A1Functional system arrangement with a component-push-rod unit
Publication Date: 2025.04.03 ROBERT BOSCH GMBH
  • US20250108781A1 patent drawing
  • US20250108781A1 patent drawing
  • US20250108781A1 patent drawing

AI summary

A functional system arrangement for a vehicle brake system in an associated vehicle on a vehicle wall. The functional system includes a component of a functional system of the vehicle brake system to be fastened to the vehicle wall, and a push rod coupled to the component. The component has a length extending along an X-axis and a height extending along a Z-axis perpendicular to the X-axis, and a component-push-rod unit is formed with the component and the push rod, the component-push-rod unit running with its longitudinal extension along the X-axis, the component-push-rod unit is to be arranged on the vehicle wall rotated by an angle about the Z-axis.