Integrated Fluid Pressure Sensing in Deformable Valve Chambers

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Solution Overview

Problem

Existing fluid-dynamic devices lack integrated pressure sensing capabilities, resulting in bulky and expensive standalone pressure sensors that cannot be easily integrated into other fluid-dynamic components to independently detect fluid pressure.

Innovation Solution

A fluid-dynamic device with an integrated sensor element featuring an elastically deformable portion and a sensor element sensitive to deformation, utilizing a deposit of functional material with varying electrical properties, allowing for compact integration within fluid-dynamic circuits to detect pressure and other fluid characteristics.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If standalone pressure sensors are used to detect fluid pressure, then pressure detection capability is achieved, but the overall device dimensions increase and cost increases

Engineering Contradiction:
Improvepressure detection capabilityVSAvoidoverall device dimensions
Core Design Contradiction:
Measurement precisionVSVolume of moving object

Solution Approach 1:

The patent combines the pressure sensor with the valve body into a single integrated unit. The sensor element is positioned within the valve body such that it directly contacts the fluid flowing through the valve, eliminating the need for separate pressure sensing components and reducing overall device volume while maintaining pressure detection capability.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The valve body is designed to serve multiple functions: it acts as both the fluid control component and the housing for the pressure sensor. The sensor element integrated within the valve body allows the same device to perform both flow control and pressure measurement functions simultaneously.

Inventive Principle:
Principle #6Universality (Multi-functionality)

2Measurement precision

If standalone pressure sensors are used to detect fluid pressure, then pressure detection capability is achieved, but the device cost increases

Engineering Contradiction:
Improvepressure detection capabilityVSAvoiddevice cost
Core Design Contradiction:
Measurement precisionVSEase of manufacture

Solution Approach 1:

The patent combines the pressure sensor with the valve body into a single integrated unit. The sensor element is positioned within the valve body such that it directly contacts the fluid flowing through the valve, eliminating the need for separate pressure sensing components and reducing overall device volume while maintaining pressure detection capability.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The valve body is designed to serve multiple functions: it acts as both the fluid control component and the housing for the pressure sensor. The sensor element integrated within the valve body allows the same device to perform both flow control and pressure measurement functions simultaneously.

Inventive Principle:
Principle #6Universality (Multi-functionality)

3Measurement precision

If standalone pressure sensors are connected by derivation from the fluid-dynamic circuit, then pressure detection is possible, but the sensors cannot be integrated into other fluid-dynamic components

Engineering Contradiction:
Improvepressure detection capabilityVSAvoidintegration capability into fluid-dynamic components
Core Design Contradiction:
Measurement precisionVSAdaptability or versatility

Solution Approach 1:

The patent combines the pressure sensor with the valve body into a single integrated unit. The sensor element is positioned within the valve body such that it directly contacts the fluid flowing through the valve, eliminating the need for separate pressure sensing components and reducing overall device volume while maintaining pressure detection capability.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The valve body is designed to serve multiple functions: it acts as both the fluid control component and the housing for the pressure sensor. The sensor element integrated within the valve body allows the same device to perform both flow control and pressure measurement functions simultaneously.

Inventive Principle:
Principle #6Universality (Multi-functionality)

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 compact, cost-effective, and reliable pressure detection within fluid-dynamic devices, reducing overall circuit dimensions and eliminating the need for separate pressure sensors, while allowing dynamic control of fluid flow based on detected parameters.

Implementation Method 1

a first chamber (2), suitable for the containment and/or the passage of a fluid... comprising at least one portion (6), elastically deformable due to the action of the fluid contained therein and/or passing through said first chamber (2), to which a sensor element (7) is associated which is sensitive to the deformation of said elastically deformable portion (6)

Methodology Applied
Scientific EffectElastic deformation: Elasticity

Implementation Method 2

whose electrical properties, and in particular whose electrical resistance (and/or impedance and/or capacitance), vary according to its deformation

Methodology Applied
Scientific EffectPiezoresistive effect: Piezoresistive Effect

Data Source

PatentUS12038102B2Fluid-dynamic device with integrated sensor element
Publication Date: 2024.07.16 DOLPHIN FLUIDICS SRL
  • US12038102B2 patent drawing
  • US12038102B2 patent drawing
  • US12038102B2 patent drawing

AI summary

A fluid-dynamic device with integrated sensor element includes a first chamber suitable for the containment and/or the passage of a fluid, provided with an inlet opening operatively connectable to a fluid-dynamic circuit and configured to allow a fluid to enter the first chamber, and with a separate outlet opening, operatively connectable to a fluid-dynamic circuit and configured to expel said fluid from the first chamber. The first chamber includes at least one portion elastically deformable due to the action of the fluid contained therein and/or passing through the first chamber, to which a sensor element is associated which is sensitive to the deformation of the elastically deformable portion of the first chamber.