Booster Pump Conduit Design for Working-Fluid Contamination Control
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Solution Overview
Problem
Booster pumps are susceptible to intake of contaminants, which can negatively affect the composition of the fluid being compressed and reduce the operational efficiency and lifespan of the pump system.
Innovation Solution
A conduit system is introduced to direct an additional fluid, such as hydrogen gas, into the second portion of the cylinder to block the intake of external particles and maintain pressure, while pistons move within the cylinders to pressurize the working fluid.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If the cylinder interior is open to the external environment, then the pump structure is simple and easy to manufacture, but contaminants can enter the cylinder and mix with the working fluid
Solution Approach 1:
The cylinder interior is segmented into two separate chamber portions (first and second chamber portions) divided by a piston. The first chamber portion handles working fluid while the second chamber portion is connected to the external environment through the conduit system, allowing contaminants to be isolated in the second chamber without affecting the working fluid in the first chamber.
Solution Approach 2:
The piston acts as an intermediary barrier between the working fluid chamber and the external environment chamber. It physically separates these two spaces while still allowing the pump to function, preventing direct contact between contaminants and the working fluid.
2Object-affected harmful factors
If a conduit system is added to block contaminant intake, then working fluid purity is improved, but device complexity increases
Solution Approach 1:
The conduit system serves multiple functions: it allows the second chamber portion to communicate with the external environment for pressure equalization, provides a pathway for contaminants to be isolated, and enables the piston to perform both separation and pressure balancing functions simultaneously.
Solution Approach 2:
The system uses the pump's own operating pressure differential to automatically direct fluid flow through the conduit system. When the piston moves, pressure changes automatically cause fluid to flow in the appropriate direction through the conduit, eliminating the need for external control mechanisms.
3Productivity
If the piston moves to pressurize working fluid, then pump productivity is improved, but the risk of contaminant mixing with working fluid increases
Solution Approach 1:
The cylinder is segmented into distinct working fluid and external environment chambers separated by the piston. This segmentation allows the piston to move freely to pressurize working fluid while maintaining a physical barrier that prevents contaminant mixing between the two chambers.
Solution Approach 2:
Different regions of the cylinder have different functions: the first chamber portion maintains high purity for working fluid processing, while the second chamber portion handles external environment communication. This local differentiation of quality allows productive piston movement while protecting the working fluid from contamination.
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 conduit system effectively prevents contaminants from mixing with the working fluid, maintaining the operational efficiency and extending the lifespan of the pump system by ensuring the integrity of the working fluid and pump components.
Implementation Method 1
the conduit system is configured to direct a fluid between the second chamber portion and the fourth chamber portion
Implementation Method 2
the vent system comprises a regulating valve configured to actuate to discharge fluid from the conduit system based on a fluid pressure within the conduit system exceeding a threshold pressure
Data Source
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AI summary
A pump system includes a first cylinder, a first piston disposed within the first cylinder to define a first chamber portion and a second chamber portion within the first cylinder, a second cylinder, a second piston disposed within the second cylinder to define a third chamber portion and a fourth chamber portion within the second cylinder, and a conduit system. The first piston is movable in a first direction to draw working fluid into the first chamber portion and in a second direction to pressurize working fluid in the first chamber portion. The second piston is movable in a third direction to draw working fluid into the third chamber portion and in a fourth direction to pressurize working fluid in the third chamber portion. The conduit system fluidly couples the second chamber portion and the fourth chamber to one chamber portion.