Pressure-Responsive Latch Mechanism for Automatic Unlocking
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Solution Overview
Problem
Existing latches for aircraft components do not efficiently manage pressure variations, leading to complex designs that require manual intervention for unlocking and are prone to unintended opening due to pressure differences.
Innovation Solution
A latch design featuring a spring-loaded locking part, a pivoting lever, and a release lever that allows for manual and automatic unlocking, ensuring secure closure under normal conditions and automatic release under pressure extremes, with a simplified mechanism for both manual and pressure-induced decoupling.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a latch is designed to be secure under normal pressure conditions, then it requires complex mechanisms and manual intervention for unlocking, but this increases device complexity and reduces ease of operation
Solution Approach 1:
The latch is divided into functionally independent segments: a lever for locking/unlocking, a separate locking component with spring element for automatic pressure-responsive release, and a locking component for securing the lever in position. This segmentation allows each component to perform its specific function simply, reducing overall mechanism complexity while maintaining secure closure through coordinated operation of the segments.
2Reliability
If a latch requires manual intervention for unlocking, then it maintains secure closure, but this reduces ease of operation and productivity
Solution Approach 1:
The locking component incorporates a spring element that automatically responds to pressure differential changes without requiring manual intervention. When pressure differences occur, the spring element autonomously actuates the locking component to release the lever, enabling automatic unlocking. This self-service mechanism reduces operational effort while maintaining secure closure under normal conditions.
3Reliability
If a latch is designed to prevent unintended opening due to pressure differences, then it requires complex pressure compensation mechanisms, but this increases device complexity and cost
Solution Approach 1:
Instead of trying to compensate for or resist pressure differential effects through complex mechanisms, the invention utilizes the pressure differential itself as the triggering mechanism for automatic release. The spring element is designed to be sensitive to pressure-induced forces, converting the potentially harmful pressure differential into a beneficial automatic unlocking feature. This eliminates the need for complex pressure compensation mechanisms while maintaining reliability.
4Extent of automation
If a latch uses a spring-loaded locking component for automatic release, then it enables automatic unlocking under pressure extremes, but this may reduce holding force under normal conditions
Solution Approach 1:
The locking component is designed with dynamic characteristics, allowing it to adapt its state based on operating conditions. Under normal pressure conditions, the spring element maintains a locked state providing secure holding force. When pressure differentials occur, the spring element dynamically transitions to an unlocked state, enabling automatic release. This dynamic design allows the system to optimize between holding force and automatic release capability depending on the operational context.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The latch provides a simplified, cost-effective solution that maintains functional integrity while allowing automatic unlocking under pressure differences, reducing manual intervention and ensuring secure closure without complex mechanisms.
Implementation Method 1
a resiliently supported, in particular a spring-loaded, locking part which, in a locking position of the locking, is designed to bear against the lever in order to transmit a predetermined braking force to the lever
Data Source
AI summary
A latch for coupling of a first component to a second component, the latch having a base body which includes a first bearing, a second bearing and a third bearing, the latch having a lever which is mounted pivotably on the first bearing about a first pivot axis between a locking position and an unlocking position, the latch having a locking which is mounted pivotably on the second bearing and which includes a spring-loaded locking part, which locking part rests on the lever in order to transmit a predetermined braking force to the lever in the locking position of the lever, the latch further including a release lever which is mounted movably on the third bearing between a blocking position for blocking the locking in the locking position and a release position for releasing the locking from the locking position.