Diaphragm Pump Drive With Interchangeable Fluid Modules
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Solution Overview
Problem
Existing displacement pumps, particularly those with mechanical drives, are costly components and require complex modifications for changing displacement volumes, leading to inefficiencies in maintenance and resource utilization.
Innovation Solution
A modular electrically powered displacement pump system with interchangeable fluid modules and adaptors that allow for different diaphragm sizes to be mounted to a single drive housing, enabling easy modification of displacement volumes without replacing the drive or motor components.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a mechanical drive system is used in a displacement pump, then the pump can achieve reliable positive displacement pumping, but the cost of the drive system becomes expensive and the complexity increases when modifications are needed
Solution Approach 1:
The pump system is divided into separate modular components: a reusable drive housing containing the motor and drive mechanism, and interchangeable fluid modules containing the diaphragm and fluid handling components. This segmentation allows the expensive drive system to be retained while only replacing the fluid module when displacement volume changes are needed, reducing modification complexity and cost.
Solution Approach 2:
The drive housing is designed as a universal component that can accommodate multiple different fluid modules with various diaphragm sizes and configurations. The standardized interface between the drive housing and fluid modules allows a single drive system to perform multiple pumping functions with different displacement volumes, eliminating the need for complex modifications to the drive system itself.
2Adaptability or versatility
If the diaphragm size is changed to modify displacement volume, then different pumping capacities can be achieved, but complex modifications to the drive system are required
Solution Approach 1:
The system enables dynamic reconfiguration of pumping capacity by allowing the fluid module to be quickly removed and replaced with another of different diaphragm size. This dynamic adaptability eliminates the need for static, complex modifications to the drive system, making it easy to change pumping capacities based on operational requirements.
Solution Approach 2:
The fluid module serves as an intermediary component between the drive system and the process fluid. By placing the diaphragm and fluid handling components in this intermediate module, the system allows easy substitution of different diaphragm sizes without affecting the drive system, thereby simplifying the process of achieving different pumping capacities.
3Adaptability or versatility
If multiple drive systems are used to accommodate different diaphragm sizes, then different displacement volumes can be achieved, but resource utilization becomes inefficient and space requirements increase
Solution Approach 1:
A single universal drive housing is designed to accommodate multiple different fluid modules with various diaphragm sizes. This multi-functionality allows one drive system to replace what would traditionally require multiple specialized drive systems, reducing resource requirements and optimizing space utilization while maintaining the ability to achieve different displacement volumes.
Data Source
AI summary
A displacement pump includes an electrically powered drive having a drive housing. The drive is at least partially disposed in the drive housing and is configured to provide reciprocating linear motion to a diaphragm. The diaphragm is captured between an adaptor mountable to the drive housing and a fluid cover. The adaptor includes an inner mounting portion interfacing with the drive housing and an outer mounting portion interfacing with the diaphragm. Multiple adaptors having multiple outer mounting portion diameters can be mounted to the same drive housing. Each of the multiple adaptors have the same inner mounting portion configuration to mount to the same drive housing. The adaptors can mount to the drive housing in multiple orientations while the fluid cover can mount to the adaptor in a single orientation.