Snap-On Getter Pump Assembly With Reversible Heater Coupling
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Solution Overview
Problem
Existing getter pump systems are complex and labor-intensive to install and maintain, especially in high-density configurations, due to the need for multiple heaters and intricate wiring, which increases costs and operational complexity.
Innovation Solution
A snap-on getter pump assembly with a reversible coupling mechanism between a getter module and a heater module, featuring a plug-and-socket connection and grid-like side walls for protection, allowing for easy installation and servicing by simplifying the assembly and disassembly process.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If multiple heater modules are used in high-density getter pump configurations, then pumping coverage is improved, but assembly complexity and installation labor increase significantly
Solution Approach 1:
The getter pump system is divided into modular getter stacks that can be independently assembled and replaced. Each getter stack is a self-contained unit that can be manufactured and tested separately, then installed as a module into the pump assembly, reducing overall system complexity while maintaining multiple pumping zones
Solution Approach 2:
A single heater module design is created that can serve multiple getter stacks simultaneously. The heater module is engineered with universal mounting features and electrical connections that allow it to be reused across different pump configurations, reducing the number of unique components and simplifying installation procedures
2Power
If multiple wire connections are required for each heater, then heating control is improved, but assembly and maintenance labor intensity increases
Solution Approach 1:
Multiple electrical connections for individual heaters are merged into a single integrated electrical interface. The heater module incorporates all necessary wiring terminals and connection points in one consolidated assembly, allowing electricians to make a single connection point that activates multiple heating zones simultaneously, dramatically reducing wiring labor
Solution Approach 2:
An intermediate electrical distribution board is introduced within the heater module that receives power through a single main connection and automatically distributes it to multiple heater elements. This intermediary component handles the complexity of multiple wire connections internally while presenting a simple external interface for installation
3Productivity
If getter stacks are densely packed to increase pumping capacity, then system efficiency is improved, but access for maintenance and replacement becomes difficult
Solution Approach 1:
The densely packed getter stacks are organized into modular assemblies with standardized spacing and mounting positions. Each module can be accessed through designated service ports or removable panels, allowing maintenance personnel to reach and replace individual stacks without disassembling the entire pump structure, maintaining accessibility despite high density packing
Solution Approach 2:
Getter stacks are arranged in a three-dimensional configuration that optimizes space utilization while creating vertical or lateral access pathways. The modular design allows stacks to be accessed from multiple directions, and the use of removable end caps or side panels provides maintenance access without compromising the dense packing arrangement
4Power
If custom heater designs are created for each getter stack configuration, then heating performance is optimized, but manufacturing costs increase
Solution Approach 1:
A universal heater module platform is developed that can be adapted to different getter stack configurations through standardized mounting interfaces and adjustable positioning features. The core heater design remains identical across applications, with only minor positioning adjustments needed, allowing mass production of a single design while serving multiple performance requirements
Solution Approach 2:
The heater module incorporates adjustable parameters such as element position, spacing, and orientation that can be modified to optimize heating performance for different getter stack arrangements. These parameter adjustments are achieved through simple mechanical reconfiguration rather than custom manufacturing, maintaining low production costs while adapting to various performance needs
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 snap-on assembly significantly reduces installation and maintenance complexity, enhances mechanical protection, and maintains efficient pumping performance, even in high-density configurations, by allowing for easy replacement and integration of components.
Implementation Method 1
a heater for each getter stack... since each heater must be supplied with current through a corresponding wire
Implementation Method 2
getter pump... plurality of disk-shaped getter elements... getter pumping element
Data Source
Figure 1~2
Figure 3~4
Figure 5a~5b
AI summary
Snap-on getter pump assembly where a first part, a getter subassembly (10; 20; 30; 40), is firmly but reversibly coupled with a second part, holding the getter heater (50) and a closed cable module (57; 67), and such assembly of these two parts is easily installed through plugging and screwing into a support comprising a matching plug-and-socket type connection.