Variable Flow Valve and Bladder Stabilizer for Pulsed Dosing Flow
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Solution Overview
Problem
Hydraulic systems, such as fluid piping systems, face instability and unpredictability due to pulsed outputs from metering pumps, leading to irregular fluid flow and chemical distribution in applications like water treatment, where precise control of chemical dosing is critical.
Innovation Solution
A flow and pressure stabilization device that incorporates a variable flow valve with a deformable diaphragm and outflow control button, coupled with a gas chamber, to absorb pulsations and maintain upstream pressure, ensuring a more linear and stable downstream flow by adjusting the effective fluid passage size based on pressure changes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If metering pumps are used to control chemical dosing, then precise control of chemical amount is improved, but pulsations in fluid flow are generated causing instability
Solution Approach 1:
A flow stabilizer device is introduced as an intermediary component between the metering pump and the fluid stream. This device includes a flow control valve with a movable diaphragm and adjustable orifice that acts as a mediator to smooth out the pulsed flow from the metering pump before it enters the main fluid stream, thereby maintaining both precise chemical dosing control and fluid flow stability
Solution Approach 2:
The flow control valve adjusts flow parameters by varying the orifice opening size through diaphragm movement. The valve modifies the flow rate, pressure, and velocity parameters of the pumped fluid dynamically, converting the pulsed flow into a more continuous and stable flow while preserving the precision of chemical dosing
2Stability of the object's composition
If flow control valves are added to stabilize fluid flow, then fluid flow stability is improved, but device complexity increases
Solution Approach 1:
The flow stabilizer device is designed to perform multiple functions within a single integrated unit: it stabilizes flow, controls pressure, and regulates chemical dosing. The movable diaphragm mechanism serves both as a flow control element and a pressure regulation element, reducing the need for separate components and simplifying the overall system
Solution Approach 2:
The flow control valve is nested within the flow stabilizer housing, with the movable diaphragm and orifice assembly contained within a compact structure. This nested arrangement integrates multiple functional elements into a space-efficient configuration, minimizing the additional space and complexity required while achieving flow stabilization
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 device effectively reduces pulsations, maintains consistent upstream pressure, and enhances the linearity of downstream flow, improving system performance and chemical distribution accuracy in fluid piping systems.
Implementation Method 1
A flow and pressure stabilization device provides stabilization to a fluid pump and piping system by, among other things, reducing, dampening, and/or absorbing pulsations in fluid flow
Implementation Method 2
pulsations in fluid flow can be configured to be reduced, dampened, and/or absorbed by a gas chamber positioned adjacent the diaphragm
Implementation Method 3
the relative position of the flow control button with respect to the fluid port changes based at least partially on a level of fluid pressure applied to the diaphragm
Implementation Method 4
a deformable separator (e.g., diaphragm, bladder, bellows, membrane, and/or the like)
Data Source
Figure 1
Figure 2A~2B
Figure 2C~2D
AI summary
A flow and pressure stabilization device comprises a housing; a first fluid chamber; a gas chamber; a deformable bladder that separates the first fluid chamber from the gas chamber and at least partially defines a volume of the first fluid chamber; a second fluid chamber in fluid communication with the first fluid chamber via a fluid passage; and a variable flow valve in fluid communication with the second fluid chamber, the variable flow valve comprising: a fluid port in fluid communication with a fluid outlet; a deformable diaphragm positioned adjacent the fluid port, the diaphragm at least partially defining a volume of the second fluid chamber; and an outflow control button coupled to the diaphragm and extending at least partially into the fluid port, the outflow control button comprising an at least partially tapered surface.