Foam-Filled Stabilizer Cartridge for Reciprocating Pump Pulsations
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Solution Overview
Problem
Traditional flow stabilizer cartridges filled with gas are inadequate in effectively managing fluid pressure pulsations in reciprocating pumps, leading to potential damage and inefficiencies.
Innovation Solution
A cartridge design featuring a deformable multi-ply material shell with cellular foam and a perforated tube, secured by metal bands, which absorbs fluid pressure pulsations without the need for pressurized gas, enhancing durability and performance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional gas-filled stabilizer cartridges are used, then the device structure is simple, but the effectiveness in managing fluid pressure pulsations is inadequate
Solution Approach 1:
The patent uses a composite structure combining a deformable multi-ply material shell with cellular foam filling. The multi-ply shell provides structural integrity while the cellular foam absorbs pressure pulsations, creating a composite stabilizer that is more effective than traditional gas-filled designs while maintaining reasonable structural complexity
Solution Approach 2:
The cellular foam material provides a porous structure that effectively absorbs and dampens fluid pressure pulsations through its cellular architecture. This porous material allows for energy dissipation while maintaining the stabilizer's functional effectiveness
2Reliability
If gas is used as the stabilizing medium, then the device is simple to manufacture, but durability is reduced
Solution Approach 1:
The combination of deformable multi-ply material and cellular foam creates a durable composite structure that withstands repeated pressure cycles better than gas-filled designs. The solid composite materials provide enhanced durability while the manufacturing process, though slightly more complex, remains practical
Solution Approach 2:
The patent changes the physical state of the stabilizing medium from gas to solid cellular foam material. This parameter change fundamentally improves durability by eliminating gas leakage and compression issues while the manufacturing process adapts to accommodate the new material form
3Reliability
If a deformable multi-ply material shell with cellular foam is used, then durability is enhanced, but the device complexity increases
Solution Approach 1:
The deformable multi-ply material shell combined with cellular foam filling creates a composite structure that achieves enhanced durability through material properties rather than complex mechanical arrangements. The composite design allows each material to contribute its strengths while working together as an integrated unit
Solution Approach 2:
The deformable multi-ply material shell provides flexibility and durability simultaneously. The multi-ply construction gives the shell enough strength to contain the cellular foam while remaining deformable enough to respond to pressure changes, reducing the need for additional structural components
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 design effectively dampens fluid pressure pulsations, reducing the risk of damage to pumps and piping systems while maintaining system integrity under varying conditions.
Implementation Method 1
a cellular foam included within the interior of the annular shell of deformable material
Implementation Method 2
an annular shell of deformable multi-ply material coupled to the protrusion
Implementation Method 3
Flow stabilizers absorb these energy changes associated with a pump's reciprocating stroke
Implementation Method 4
an annular shell of deformable multi-ply material
Data Source
AI summary
A cartridge shell for a suction or discharge stabilizer dampening pumped fluid pressure pulsations at an inlet or outlet of a reciprocating pump includes a head including a protrusion, an annular shell of deformable material of a deformable multi-ply material coupled to the protrusion, a plug coupled to the annular shell of deformable material at an opposite end of the annular shell of deformable material from the protrusion, and a cellular foam included within the interior of the annular shell of deformable material.