Electromechanical Brake Booster Intermediate Plate for Flexible Rod Mounting

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Solution Overview

Problem

Existing electromechanical brake boosters require a connecting rod to be directly fastened to a housing base, necessitating complex and costly production processes due to varying installation spaces and component variances across different vehicle types.

Innovation Solution

Incorporating an intermediate plate that decouples the connecting rod's position from the vehicle wall, allowing 360° alignment freedom and eliminating the need for direct fastening to the housing base, thereby reducing component variance and production costs.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Stability of the object's composition

If the connecting rod is directly fastened to the housing base, then the structural stability is improved, but the adaptability to different vehicle types deteriorates due to varying installation spaces

Engineering Contradiction:
Improvestructural stabilityVSAvoidadaptability to different vehicle types
Core Design Contradiction:
Stability of the object's compositionVSAdaptability or versatility

Solution Approach 1:

The housing base is segmented into two functional parts: the mounting interface (for fastening to vehicle wall) and the connecting rod interface (for connecting rod attachment). This segmentation allows independent optimization of each interface, enabling the brake booster to adapt to different vehicle types while maintaining structural stability through the rigid housing base structure.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The patent introduces an intermediate mounting plate as a mediator between the housing base and the connecting rod. This mounting plate serves as an adaptable interface that can be positioned at various locations on the housing base, allowing the connecting rod position to be decoupled from the mounting position and thus adapting to different vehicle installation spaces while maintaining structural integrity.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Manufacturing precision

If the connecting rod position is coupled to the housing base fastening position, then the manufacturing precision is improved, but the productivity deteriorates due to complex production processes and tool downtimes

Engineering Contradiction:
Improvepositioning precisionVSAvoidproduction efficiency
Core Design Contradiction:
Manufacturing precisionVSProductivity

Solution Approach 1:

The manufacturing process is segmented into two independent steps: first, mounting the connecting rod to the housing base at a predetermined precise position; second, fastening the brake booster to the vehicle wall at the desired installation position. This segmentation eliminates the need for complex coordinated positioning during assembly, maintaining manufacturing precision while significantly improving productivity by simplifying the production process and reducing tool downtimes.

Inventive Principle:
Principle #1Segmentation

3Adaptability or versatility

If multiple component variances are used for different vehicle types, then the adaptability is improved, but the device complexity increases

Engineering Contradiction:
Improvecompatibility with different vehicle typesVSAvoidcomponent variance complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The housing base is designed as a universal component with multiple possible fastening positions and a standardized mounting interface. The intermediate mounting plate serves as a multi-functional element that can be positioned at different locations to accommodate various vehicle types. This universality allows a single brake booster design to be adapted to different vehicle types without requiring multiple component variants, thus reducing device complexity while maintaining high adaptability.

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

Data Source

PatentUS20250326385A1Electromechanical brake booster for a braking system of a vehicle
Publication Date: 2025.10.23 ROBERT BOSCH GMBH
  • US20250326385A1 patent drawing
  • US20250326385A1 patent drawing
  • US20250326385A1 patent drawing

AI summary

An electromechanical brake booster for a braking system of a vehicle. The electromechanical brake booster includes: an electric motor; at least one linearly movable piston component; a transmission device via which the electric motor is connected to the piston component so that a motor force of the electric motor can be transmitted to the piston component via the transmission device; a transmission housing component which at least partially surrounds the transmission device; at least one connecting rod to which the linearly movable piston component is connected in such a way that the piston component, which is linearly moved via the transmitted motor force, is guided via the connecting rod; an intermediate plate, which is produced as a component which is separate from the transmission housing component, wherein the connecting rod is fastened to the intermediate plate, and the intermediate plate is fastened to the transmission housing component.