Modular Diaphragm Pump with Integrated Dampener
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Solution Overview
Problem
Conventional diaphragm pumps are often large, not easily reconfigurable or serviceable, and have output and flow limitations, making them less versatile and practical for portable and remote applications.
Innovation Solution
A modular mechanically driven diaphragm pump system that includes a motor, drive mechanism, diaphragm, and housing, with a coupling that allows for easy attachment and detachment, and an integrated dampener to reduce flow pulsation, enabling portability, reconfigurability, and high performance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional diaphragm pumps are designed for permanent installation with fixed components, then structural stability and reliability are improved, but portability and ease of reconfiguration deteriorate
Solution Approach 1:
The pump system is divided into separate modular components including the pump head, drive mechanism, and coupling elements that can be independently assembled and disassembled. This segmentation allows the pump to maintain structural integrity when assembled while enabling easy portability and reconfiguration when disassembled.
Solution Approach 2:
The coupling mechanism incorporates dynamic elements such as adjustable linkages and movable mounting points that allow the pump to adapt its configuration based on operational needs. This dynamic design enables the same structure to serve both as a stable permanent installation and as a portable temporary solution.
2Adaptability or versatility
If diaphragm pumps are made smaller for portability, then ease of transport and handling are improved, but pumping output and flow capacity deteriorate
Solution Approach 1:
The pump system separates the power-intensive components from the pump head, allowing a compact pump unit to be paired with various drive mechanism sizes. This enables the use of a small, portable pump head while maintaining high pumping capacity through the integration of appropriately sized drive mechanisms and multiple diaphragms.
Solution Approach 2:
Multiple diaphragms are combined within a single pump housing to operate simultaneously or in sequence, effectively multiplying the pumping capacity of a compact unit. This merging of multiple pumping elements within a small footprint resolves the contradiction between portability and productivity.
3Ease of manufacture
If diaphragm pumps lack modular coupling mechanisms, then manufacturing simplicity is improved, but ease of maintenance and serviceability deteriorate
Solution Approach 1:
The pump is designed with clearly defined modular segments connected by standardized coupling mechanisms. Each segment can be manufactured independently using simple processes, and the standardized couplings enable easy assembly and disassembly for maintenance without requiring complex manufacturing steps.
4Device complexity
If diaphragm pumps operate without flow pulsation control, then device simplicity is improved, but flow stability and performance deteriorate
Solution Approach 1:
Multiple diaphragms are synchronized to operate in sequence, with each diaphragm's discharge phase overlapping with the next diaphragm's intake phase. This merging of multiple pumping cycles creates a more continuous and stable flow output while maintaining relatively simple individual diaphragm designs.
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 modular design allows for easy maintenance, replacement, and adaptation of diaphragm pumps, enhancing their portability and performance by increasing pumping force and reducing flow pulsation, thus expanding their practical applications.
Implementation Method 1
a dampener to reduce downstream flow pulsation due to upstream flow pulsation created by movement of the diaphragm in pumping the fluid
Implementation Method 2
the second chamber is configured to hold a gas under pressure such that the gas applies pressure on the second side of the diaphragm to increase the pumping force generated by the diaphragm pump
Data Source
AI summary
Modular mechanically driven diaphragm pump features are presented herein. Such a diaphragm pump can include a motor, a drive mechanism, and a coupling mounted on a wheeled frame. A diaphragm pump can be mounted to the coupling by forming mechanical static and dynamic connections to brace a housing of the diaphragm pump relative to a drive rod which is moved by the drive mechanism to operate the pump. These mechanical static and dynamic connections can be broken to dismount the pump for replacement or servicing. In some cases, a gas charge can be introduced on the non-working fluid side of the diaphragm to boost performance and/or a dampener can be integrated into the housing of the diaphragm pump and mounted/dismounted with the diaphragm pump.