Multi-chamber Pressure Sensor Isolation via Segmentation
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Solution Overview
Problem
The close proximity of pressure outlets in automotive applications poses a challenge for transducer suppliers to configure multiple sensors within a small, confined area while maintaining performance.
Innovation Solution
A pressure sensing apparatus featuring a base cover with multiple sections and chambers, housing with inlets, and pressure sensing assemblies that are fluidly connected and isolated, allowing for efficient placement and sealing of sensors within the apparatus.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple sensors are placed in close proximity to meet automotive pressure outlet configurations, then the device meets industry configuration requirements, but the sensors interfere with each other and performance deteriorates
Solution Approach 1:
The housing is divided into multiple isolated chambers, each containing a separate sensor. The base cover defines distinct sections with individual openings, and the housing creates fluid isolation between chambers. This segmentation allows multiple sensors to be placed in close proximity while preventing interference between them, thus maintaining both configuration compatibility and sensor performance.
2Area of stationary object
If multiple sensors are contained within a small confined area, then the device meets space constraints, but the sensors cannot be properly isolated and sealed
Solution Approach 1:
The base cover with its multi-section structure is nested within the housing that provides fluid isolation chambers. Each sensor is positioned in a specific base cover section, and the housing encloses these sections with individual sealed chambers. This nested arrangement allows proper isolation and sealing of multiple sensors within a compact footprint, maintaining both space efficiency and sealing accuracy.
3Volume of moving object
If sensors are positioned close together, then the device achieves compact design, but fluid isolation between sensors becomes difficult to maintain
Solution Approach 1:
The housing defines multiple separate fluid isolation chambers that are physically divided by internal structures. Each chamber contains a single sensor and is sealed independently. This segmentation enables compact positioning of sensors while maintaining reliable fluid isolation between them, achieving both compact design and fluid isolation reliability.
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 the configuration of multiple sensors in a compact automotive setting, providing effective pressure measurement capabilities and ensuring isolation and sealing for accurate fluid pressure readings.
Implementation Method 1
each inlet is in fluid connection with a respective base cover opening
Data Source
AI summary
A pressure sensing apparatus with multiple, isolated pressure sensors provided therein. The apparatus includes a base cover portion having multiple sections and each section defines an opening. A sensor is positioned in each base cover portion and a portion of each sensor is exposed to the respective opening. A flanged base is coupled to the base cover portion to define multiple separate chambers and a housing is provided around the base cover portion and base and the housing has multiple conduits in fluid connection with respective cover openings.