Integrated Brake Actuator Layout for Space-Limited Wheel Ends
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Solution Overview
Problem
Existing brake actuators for vehicles require two separate units for driving and non-driving operations, occupying limited space near the wheel or axle, necessitating a compact, space-saving solution.
Innovation Solution
A brake actuator design featuring a transfer element and actuating mechanism that can move into actuating positions to apply braking force, with a distancing mechanism to adjust positions and maintain braking torque, utilizing pneumatically, hydraulically, electro-mechanically, or mechanically actuated components to optimize space usage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If two different actuators are provided for driving and non-driving operations, then the brake can be actuated for both operations, but the installation space near the axle or wheel is exceeded
Solution Approach 1:
The patent merges the functions of two separate actuators (for driving and non-driving operations) into a single integrated brake actuator. The actuating mechanism can assume different positions (first non-operating position for driving operation, second non-operating position for non-driving operation) to serve multiple braking functions, thereby reducing the number of separate components and saving installation space near the wheel or axle.
Solution Approach 2:
The single brake actuator is designed with multi-functionality to perform both driving operation braking and non-driving operation braking. The actuating mechanism can be positioned differently to actuate the brake for various operations, making one component universal for multiple purposes and eliminating the need for separate actuators.
2Reliability
If the transfer element is actively moved into the actuating position when the actuating mechanism is in the operating position, then the brake can be actuated, but the structure becomes more complex
Solution Approach 1:
The patent inverts the traditional actuation logic: instead of the actuating mechanism always needing to actively push the transfer element into the actuating position, the transfer element is configured to be passively moved into the actuating position by the distancing mechanism when the actuating mechanism is in its non-operating position. This inversion simplifies the actuating mechanism structure while ensuring reliable brake actuation through passive engagement.
Data Source
AI summary
A brake actuator is disclosed having a transfer element configured to be moved along an actuating direction and to actuate a brake by moving into at least one actuating position; an actuating mechanism configured to move the transfer element into the at least one actuating position to actuate the brake, wherein the actuating mechanism is configured to be movable along the actuating direction; and a distancing mechanism configured to move the actuating mechanism from a non-operating position into an operating position along the actuating direction. The transfer element and the actuating mechanism are configured such that the transfer element is located in the actuating position when the actuating mechanism is located in the non-operating position.