Railcar Hatch Cover Pressure Sensor Seal Monitoring

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Solution Overview

Problem

Existing railcar hatch covers fail to reliably prevent contamination and unauthorized access due to seal failures and human error, leading to potential loss or contamination of commodities during transport.

Innovation Solution

Integration of pressure sensors and fill level sensors into the hatch cover system to monitor the seal status and commodity levels, transmitting alerts to a remote location via wired or wireless connections, ensuring real-time monitoring and detection of any deviations.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If traditional locking bars and seals are used to seal the hatch cover, then the structure is simple and easy to manufacture, but the reliability of preventing contamination and unauthorized access deteriorates due to seal failures and human error

Engineering Contradiction:
Improvereliability of preventing contaminationVSAvoidcomplexity of hatch cover system
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent replaces traditional mechanical sealing systems with sensor-based detection systems. Pressure sensors detect seal status and fill level sensors monitor commodity levels, providing electronic monitoring that is more reliable than mechanical seals alone. This substitution maintains simplicity while significantly improving reliability through real-time monitoring and alert systems.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The patent implements feedback mechanisms through sensors that continuously monitor the hatch cover status and commodity fill levels. When anomalies are detected (such as seal failure or unauthorized opening), the system provides feedback through alerts to personnel, enabling timely response and preventing contamination. This feedback loop significantly enhances the reliability of the sealing system.

Inventive Principle:
Principle #23Feedback

2Reliability

If pressure sensors and fill level sensors are integrated into the hatch cover system, then the reliability of detecting open hatches and contamination is improved, but the device complexity increases

Engineering Contradiction:
Improvedetection reliability of open hatchesVSAvoidcomplexity of sensor system
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The sensors are designed to autonomously detect and report conditions without requiring complex external systems. The pressure sensors automatically detect seal status and fill level sensors monitor commodity levels, with the system self-managing the monitoring process. This self-service approach improves detection reliability while minimizing the added complexity of the sensor integration.

Inventive Principle:
Principle #25Self-service

3Reliability

If real-time monitoring with sensor alerts is implemented, then the detection of contamination and unauthorized access is improved, but the loss of time in detecting issues deteriorates

Engineering Contradiction:
Improvereal-time monitoring capabilityVSAvoidtime delay in detecting issues
Core Design Contradiction:
ReliabilityVSLoss of time

Solution Approach 1:

The sensor system operates continuously to monitor seal status and fill levels without interruption. The pressure sensors continuously detect seal status and fill level sensors continuously monitor commodity levels, ensuring that any changes are immediately detected. This continuous monitoring eliminates time delays in detection while maintaining high reliability through constant surveillance.

Inventive Principle:
Principle #20Continuity of useful action

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 detects open or partially open hatch covers and changes in fill levels, alerting personnel and operators, thereby preventing contamination and ensuring the integrity of commodities during transport.

Implementation Method 1

one or more pressure sensors disposed between the seal and the body. The one or more pressure sensors are operable to detect a pressure between the body and the container

Methodology Applied
Scientific EffectPressure: Pressure Increase

Implementation Method 2

The fill level sensor may comprise an ultrasonic transducer

Methodology Applied
Scientific EffectUltrasonic: Ultrasound

Data Source

PatentUS12084096B2Railcar hatch cover
Publication Date: 2024.09.10 RSI LOGISTICS LLC
  • US12084096B2 patent drawing
  • US12084096B2 patent drawing
  • US12084096B2 patent drawing

AI summary

According to some embodiments, a hatch cover for an opening in a container comprises a body comprising a plate member for covering the opening in the container, a seal on the underside of the body for sealing the body to the container, and one or more pressure sensors disposed between the seal and the body. The one or more pressure sensors are operable to detect a pressure between the body and the container and are communicably coupled to a hatch status device operable to detect a change in pressure between the body and the container. Some embodiments may include a fill level sensor.