Brake Assembly Visual Indicator for Release and Wear Inspection
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Solution Overview
Problem
Conventional brake systems in vehicles and helicopters face issues with unreliable electrical sensors for brake release indication, difficulty in accessing brake components for wear assessment, and the need for visual confirmation of brake release and wear states, especially when encased in dust boxes.
Innovation Solution
A visual indicator, such as a colored rod or groove, is integrated into the brake assembly to provide direct visual feedback on brake release and wear status, allowing easy observation without disassembly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Extent of automation
If electric sensors are used to monitor brake release, then automated monitoring is achieved, but reliability deteriorates due to faulty outputs and failures
Solution Approach 1:
The patent replaces the electrical sensor system with a mechanical visual indicator system. The indicator element is mechanically coupled to the brake component and provides direct visual feedback through markings or color changes, eliminating reliance on electrical sensors that can generate faulty outputs or fail.
Solution Approach 2:
The brake assembly itself provides the indication function through the mechanically coupled indicator element. The indicator moves or changes appearance based on the brake component's position, allowing the system to self-monitor and display its state without external sensing devices.
2Object-affected harmful factors
If dust box is provided around brake assembly, then protection against sparks and dust is achieved, but accessibility deteriorates making inspection difficult
Solution Approach 1:
The visual indicator element acts as an intermediary that transmits information from the enclosed brake component to the external observer. Through windows or openings in the dust box, the indicator's position or appearance can be seen without removing the dust box, maintaining protection while enabling inspection.
Solution Approach 2:
The indicator provides information through a different dimension (visual field) rather than requiring physical access to the brake component. Observers can assess brake status by viewing the indicator through the dust box enclosure, transforming a spatial access problem into a visual information problem.
3Measurement precision
If dust box is removed to check brake components, then complete inspection is achieved, but time consumption and complexity increase
Solution Approach 1:
The visual indicator provides sufficient information for brake status assessment without requiring complete disassembly of the dust box. The indicator element's position or appearance gives adequate indication of brake release state and wear, eliminating the need for time-consuming removal and reinstallation of the dust box.
4Ease of operation
If visual indicator is integrated into brake assembly, then accessibility of information is improved, but device complexity increases
Solution Approach 1:
The indicator element is merged with the brake component through mechanical coupling. The indicator moves together with the brake component, so a single mechanical connection provides both the braking function and the visual indication function, rather than adding a separate independent indication system.
Solution Approach 2:
The indicator element serves multiple functions: it indicates brake release state through its position, and can also indicate wear state through markings or color changes. This single component provides multiple information functions that would otherwise require separate systems.
Data Source
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AI summary
A brake component indicator configured to provide a visual indication of the release state of the brake component; the indicator comprising an indicator element (3) connected to the brake component (114) and moveable with the component during a braking operation, whereby the indicator element (3) is provided with means (13) to provide a visual indication of the direction and/or the distance moved by the indicator element during the braking operation. Preferably, the indicator element is in the form of a rod connected to a brake disk or pad that engages a moving part in a braking operation to brake the moving part. The rod is provided with indicator means whose position is an indication of the distance the brake disk or pad has travelled to engage the moving part.