Hydraulic Fluid Guide Element for Laminar Particle Sensing
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Solution Overview
Problem
Existing hydraulic fluid monitoring systems are cumbersome, expensive, and limited in their ability to effectively address contamination from solid particulates in hydraulic systems, which can cause damage and performance issues.
Innovation Solution
A particle sensor assembly with guide elements that transform turbulent hydraulic fluid flow into laminar flow, utilizing a housing with a longitudinal bore and guide elements with chamfered openings and tapered sections to improve fluid flow and enhance the accuracy of particle detection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a sensor assembly is used to monitor contamination in hydraulic fluid, then particle detection capability is improved, but device complexity and cost increase
Solution Approach 1:
The patent extracts the essential function of particle detection from a complex sensor assembly and implements it using a simple optical beam path through the hydraulic fluid. The solution uses basic optical components (light source and detector) rather than complex sensor assemblies, achieving particle detection by monitoring interruptions or scattering of light in the fluid stream.
Solution Approach 2:
The patent uses an optical copy or representation of particle presence rather than direct complex sensing. By detecting light transmission or scattering properties, the system creates an optical signature of particle contamination that can be measured with simple detectors, avoiding the need for complex direct particle analysis equipment.
2Productivity
If turbulent flow is present in hydraulic fluid, then fluid circulation is maintained, but measurement precision of particle detection deteriorates
Solution Approach 1:
The patent applies preliminary action by introducing a flow straightening element or baffle before the detection zone to pre-condition the fluid flow. This element reduces turbulence and aligns the fluid stream horizontally before it passes through the optical detection path, ensuring accurate particle detection while maintaining overall system circulation.
Solution Approach 2:
The patent applies local quality by creating a specific low-turbulence zone within the broader circulating system. The flow conditioning element generates a localized laminar flow region where particles pass through the optical beam in a predictable manner, while the rest of the system maintains turbulent circulation for heat transfer and contamination removal.
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 solution effectively reduces turbulence, allowing for more accurate detection of debris particles and improving the reliability and cost-effectiveness of hydraulic fluid monitoring systems.
Implementation Method 1
the first chamfered opening, the at least one notch, and the tapered section are configured to guide the hydraulic fluid to facilitate transformation of a turbulent flow of the hydraulic fluid into a laminar flow of the hydraulic fluid
Implementation Method 2
a light source adapted to pass a probe beam of light through the sample chamber
Implementation Method 3
means for periodically supplying excitation energy to the sample chamber adapted to be absorbed by preselected chemical compounds if present in the chamber. In this way, if the preselected chemical compound is present, it will absorb the excitation energy and create a temperature gradient through photothermal process
Implementation Method 4
This temperature gradient will form refractive index gradient and therefore it will also be detected by the probe light beam passing through the sample chamber
Data Source
AI summary
A guide element for hydraulic fluid includes a first end surface, a second end surface, and an exterior surface connecting the first end surface to the second end surface. The first end surface includes a first chamfered opening. The second end surface includes a second opening that fluidly communicates with the first opening to define a longitudinal bore that includes a tapered section. The first chamfered opening and the tapered section are configured to guide the hydraulic fluid to facilitate transformation of a turbulent flow of the hydraulic fluid into a laminar flow of the hydraulic fluid.