Modular Reciprocating Pump Assembly with Standardized Interfaces
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Solution Overview
Problem
Existing modular pump systems are not cost-effective for assembly on assembly machines with limited flexibility, as they require high setup costs and incur significant downtimes due to the need for frequent reconfiguration to accommodate different components, and they do not allow for variations in structural shapes or piston displacement.
Innovation Solution
A modular reciprocating pump system comprising pre-assembled magnetic and pump parts with standardized geometric interfaces, allowing for flexible assembly on a common machine, featuring interchangeable components such as magnetic armatures, valves, and sealing mechanisms, enabling the production of various feed and metering pumps for fuels or reagents.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If pumps are assembled on an assembly machine with limited flexibility, then assembly efficiency is improved, but setup costs and downtimes increase when reconfiguration is needed for different components
Solution Approach 1:
The pump is divided into modular components (pump part and magnetic part) that can be assembled independently and then combined. This segmentation allows the assembly machine to work with standardized interfaces while accommodating different pump configurations by simply changing modules rather than reconfiguring the entire assembly system.
Solution Approach 2:
The assembly machine is designed with universal capabilities to handle multiple pump types through standardized interfaces and fixtures. The geometric interfaces between pump components are standardized, allowing the same assembly machine to assemble different pump configurations without requiring complete reconfiguration, thus reducing downtime while maintaining assembly efficiency.
2Productivity
If pumps are assembled on an assembly machine with limited flexibility, then assembly efficiency is improved, but setup costs increase when reconfiguration is needed for different components
Solution Approach 1:
By segmenting the pump into standardized modules with defined geometric interfaces, the system reduces the need for expensive custom tooling and fixtures on the assembly machine. The modular approach allows using the same assembly equipment for different pump types, thereby reducing setup costs while maintaining high assembly efficiency.
Solution Approach 2:
The design allows for parameter changes in pump configurations (such as piston displacement and structural shapes) while maintaining standardized geometric interfaces. This enables the assembly machine to produce various pump types by changing modules rather than reconfiguring the entire system, reducing both setup costs and downtime.
3Adaptability or versatility
If a family of reciprocating pumps allows alteration of piston displacement, then pump versatility is improved, but structural shape variations are limited
Solution Approach 1:
The pump is segmented into interchangeable modules, including different magnetic part embodiments and pump part configurations. This allows not only piston displacement adjustment but also structural shape variations by swapping modules, achieving both versatility in displacement and diversity in structural forms.
Solution Approach 2:
The modular design enables dynamic reconfiguration of pump structures. Different magnetic parts with various geometric interfaces can be assembled with corresponding pump parts to create pumps with different structural shapes and piston displacements, making the system adaptable to diverse application requirements.
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
Enables cost-effective and efficient assembly and testing of different pump types on a single assembly machine with limited flexibility, reducing setup costs and downtimes while accommodating various pump constructions and precision requirements.
Implementation Method 1
electromagnetically actuated reciprocating pumps
Implementation Method 2
magnetic flux-conducting support that is embodied from iron
Data Source
AI summary
A modular system of reciprocating pumps is to be designed in such a way that any type of said reciprocating pumps can be economically assembled and tested on a flexible assembly device. The magnetic part is a pre-assembled subassembly that can be tested separately and is overmolded with plastic material; the connection point to the pump part has a given connecting contour that allows different types of pump parts of the modular system to be connected; and the pump part is a pre-assembled subassembly that can be tested for the displaced volume thereof. Feed pumps and metering pumps for fuels and aqueous reagents.