Shutter Louver Closure Assembly with Cam Damping
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Solution Overview
Problem
Existing shutter panel systems with automatic louver closure and damping features are limited in their ability to adapt to varying configurations and do not provide controlled automatic closure across different louver tilt assemblies.
Innovation Solution
A shutter panel system with a louver closure assembly and damping features that automatically rotate louvers into a closed position by using actuators with cam profiles and dampers, allowing for controlled movement and resistance across specific angular ranges, enabling modular installation and adjustment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If existing louver closure devices are used, then automatic closure function is provided, but the system cannot adapt to varying configurations and different louver tilt assemblies
Solution Approach 1:
The closure assembly is designed with universal adaptability to work with different louver tilt assemblies and configurations. The actuator and cam profile mechanism can accommodate various angular ranges and louver positions, making a single device design applicable to multiple shutter panel configurations without requiring configuration-specific custom designs.
Solution Approach 2:
The system employs dynamic cam profiles that can be adjusted or selected based on the specific louver configuration. The cam profile geometry is designed to provide appropriate mechanical advantage and damping characteristics for different angular ranges, allowing the same basic actuator design to function optimally across varying operational parameters.
2Ease of operation
If damping features are added to resist louver rotation, then controlled closure is achieved, but the device complexity increases
Solution Approach 1:
The damping function is merged with the existing actuator and cam profile mechanism rather than being implemented as a separate, independent damping device. The cam profile geometry itself provides damping characteristics through its design, and the actuator mechanism incorporates damping features that work integrally with the closure function, eliminating the need for additional separate damping components.
Solution Approach 2:
The cam profile and actuator mechanism are designed to provide damping effects as an inherent part of their operation. The mechanical interaction between the cam profile and actuator components naturally creates resistance and controlled movement without requiring external damping systems, allowing the mechanism to self-regulate the closure speed and force.
3Extent of automation
If actuators with cam profiles are used for automatic closure, then automated louver rotation is achieved, but manufacturing precision requirements increase
Solution Approach 1:
The cam profile design incorporates tolerance compensation through careful selection of geometric parameters and material properties. The cam profile geometry is designed with appropriate tolerances that account for manufacturing variations, and the actuator mechanism includes features that can accommodate dimensional variations while maintaining functional performance.
Solution Approach 2:
The cam profile is designed with built-in tolerance compensation that anticipates and accommodates manufacturing variations. The geometry includes features that provide mechanical cushioning and flexibility, allowing the system to function reliably even when individual components fall within acceptable but not ideal tolerance ranges.
Data Source
AI summary
A shutter panel includes a frame, and a louver coupled to the frame for rotation about a longitudinal axis across a given angular travel range of the louver. The shutter panel also includes a louver closure assembly operable to automatically rotate the louver into a closed position when the louver is moved into a specific angular range of louver positions within its angular travel range. For instance, in an exemplary implementation, the louver closure assembly is configured to linear translation into rotational movement of the louver.