Dynamic Latch Activation Using Magnetic and Eddy Current Coupling
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Solution Overview
Problem
Existing systems for controlling relative motion between members lack effective mechanisms to synchronize motion under specific dynamic responses, such as velocity, acceleration, or jerk, which is crucial for applications like Self Retracting Lifelines (SRLs).
Innovation Solution
A system comprising at least two members in a kinematic relationship, where coupling occurs in response to a prescribed system dynamic response, selected from velocity, acceleration, or jerk actions. This system utilizes magnetic interactions, eddy current drag forces, and centrifugal/inertial forces to achieve synchronized motion.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If magnetic interactions and eddy current drag forces are used to control relative motion between members, then movement control and synchronization are improved, but device complexity increases
Solution Approach 1:
The patent replaces traditional mechanical coupling mechanisms with magnetic interactions and eddy current drag forces. Magnetic fields are used to induce eddy currents in conductive members, creating drag forces that control relative motion without direct mechanical contact. This substitution improves reliability by eliminating mechanical wear and friction while accepting increased device complexity through the integration of magnetic components and conductive materials.
2Stability of the object's composition
If coupling occurs in response to prescribed system dynamic response (velocity, acceleration, or jerk), then synchronized relative motion is achieved, but measurement precision requirements increase
Solution Approach 1:
The patent implements feedback mechanisms that continuously monitor system dynamic responses including velocity, acceleration, and jerk. Sensors detect these parameters and feed information back to control systems that adjust magnetic field strength and eddy current induction accordingly. This feedback loop enables precise synchronization of relative motion between members by responding to real-time dynamic conditions, though it increases measurement precision requirements for accurate detection of velocity, acceleration, and jerk parameters.
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 system effectively synchronizes relative motion between members by coupling them based on predefined dynamic responses, providing alternative methods for movement control and enhancing safety in applications like SRLs.
Implementation Method 1
Magnetic interactions, eddy current drag forces and centrifugal and/or inertial forces may provide various mechanisms of governing movement
Implementation Method 2
Magnetic interactions, eddy current drag forces and centrifugal and/or inertial forces may provide various mechanisms of governing movement
Implementation Method 3
Magnetic interactions, eddy current drag forces and centrifugal and/or inertial forces may provide various mechanisms of governing movement
Implementation Method 4
Magnetic interactions, eddy current drag forces and centrifugal and/or inertial forces may provide various mechanisms of governing movement
Data Source
AI summary
Described herein is a system, method of use and Self Retracting Lifeline (SRL) apparatus using a system that governs a dynamic response between members causing a halt in relative motion between the members. Magnetic interactions, eddy current drag forces and centrifugal and/or inertial forces may provide various mechanisms of governing movement.