Brake Rotor Testing Bracket for Simultaneous Measurement
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Solution Overview
Problem
Conventional brake rotor testing methods are time-consuming due to the need to remove the wheel and brake caliper, which complicates the measurement of run out and thickness variations.
Innovation Solution
An apparatus and method that allows for accurate measurement of brake rotor characteristics, including run out and thickness, without removing the wheel or brake caliper, using a bracket with sensors that attach to the caliper housing and can be moved between uninstalled and installed positions, enabling measurements while the wheel remains mounted.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If conventional measurement methods are used with wheel and caliper removal, then measurement accuracy is maintained, but testing time increases significantly
Solution Approach 1:
The patent introduces a bracket as an intermediary device that attaches to the caliper housing and provides mounting points for sensors. This intermediary structure enables measurement without removing the wheel or caliper, resolving the contradiction by maintaining measurement accuracy while eliminating the time-consuming disassembly steps.
Solution Approach 2:
The bracket is pre-configured with sensor mounting locations and attachment mechanisms that allow rapid installation onto the caliper housing before measurement begins. This preliminary preparation eliminates the need for time-consuming assembly operations during the measurement process itself.
2Difficulty of detecting and measuring
If wheel and caliper are removed for measurement, then sensor access is improved, but device complexity and procedure difficulty increase
Solution Approach 1:
The bracket serves as a mediator that provides structured access points for sensors while maintaining the wheel and caliper in their operational positions. This eliminates the need for complex disassembly procedures while still enabling reliable sensor-to-rotor contact.
Solution Approach 2:
The measurement system is segmented into modular components: the bracket attached to the caliper housing, the sensors mounted on the bracket, and the brake rotor being measured. This segmentation allows each component to be independently positioned and adjusted without affecting the entire system, simplifying the overall procedure.
3Ease of operation
If single-sided sensor measurement is used, then procedure simplicity is maintained, but measurement completeness is reduced
Solution Approach 1:
The patent merges multiple measurement functions into a single integrated bracket structure that simultaneously accommodates sensors for measuring both sides of the brake rotor. This combined approach maintains procedural simplicity while achieving complete measurement coverage that would otherwise require separate operations.
Solution Approach 2:
The bracket is designed as a universal mounting structure that can accommodate multiple sensor types and positions, enabling the same device to perform various measurement functions (runout, thickness variation, both sides) without requiring different procedures or tools, thus maintaining simplicity while enhancing measurement completeness.
Data Source
AI summary
An apparatus or method for testing a brake rotor that is mounted on a hub for rotation with respect to a caliper housing. The apparatus includes a bracket having a first end and a second end. A first attachment member and a second attachment member are connected to the bracket and configured to engage the caliper housing. A first sensor is connected to the first end of the bracket for engagement with a first side of the brake rotor. A second sensor is connected to the second end of the bracket for engagement with a second side of the brake rotor.