Valve Actuator Assembly for In-Place Diaphragm Replacement
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Solution Overview
Problem
Conventional actuator assemblies require removal from the valve body to inspect or replace the diaphragm, which is time-consuming, costly, and potentially dangerous.
Innovation Solution
An actuator assembly design that allows the diaphragm to be inspected and replaced without removing the actuator from the valve body by sliding the compressor assembly and actuator shaft between extended and retracted positions, utilizing a quick-release coupling for the sealing member and adjustable clamping force for secure sealing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of repair
If the actuator is removed from the valve body to inspect or replace the diaphragm, then the sealing member can be accessed for maintenance, but the process becomes time-consuming, costly, and potentially dangerous
Solution Approach 1:
The actuator assembly is divided into separable components: the actuator body remains attached to the valve body, while the compressor assembly can be independently removed and reattached. This segmentation allows the sealing member to be accessed by simply removing the compressor assembly rather than the entire actuator, significantly reducing maintenance time and cost while eliminating the dangers associated with full actuator removal
Solution Approach 2:
A quick-release coupling mechanism serves as an intermediary between the compressor assembly and the actuator body. This coupling includes a release mechanism that allows the compressor assembly to be quickly disconnected from the actuator body without requiring removal of the entire actuator assembly from the valve body, enabling rapid access to the sealing member for inspection and replacement
2Stability of the object's composition
If the actuator assembly is permanently secured to the valve body, then structural stability is maintained, but access to the sealing member requires complete removal of the actuator
Solution Approach 1:
The actuator assembly is segmented into two main parts: the actuator body that remains permanently secured to the valve body providing structural stability, and the compressor assembly that can be independently removed and reattached. This segmentation allows the sealing member to be accessed by removing only the compressor assembly while the actuator body remains stable and attached to the valve body
Solution Approach 2:
The connection between the compressor assembly and actuator body is made dynamic through a quick-release coupling mechanism. This coupling can transition between a locked state (providing stable attachment) and an unlocked state (allowing easy removal of the compressor assembly). The dynamic coupling enables the system to switch between stable operation and easy maintenance access as needed
Data Source
AI summary
An actuator assembly includes, a main body, a perimeter compressor, an actuator shaft, an actuator, and a sealing member. The perimeter compressor is slidable between a retracted position and an extended position. The actuator shaft extends through the main body and the perimeter compressor and is operably coupled with a proximal end of the actuator shaft to facilitate movement of the actuator shaft between the extended position and the retracted position. The sealing member includes an inner and outer portion. The inner portion is releasably coupled with the distal end of the actuator shaft and is configured to interface with the valve body. Sliding the perimeter compressor into the extended position facilitates sandwiching of the sealing member between the perimeter compressor and the valve body. Sliding the perimeter compressor into the retracted position facilitates releasement of the sealing member therefrom.