Rail Brake Configuration Module for Modular Valve Design
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Solution Overview
Problem
Existing electro-pneumatic rail brake systems face high individualization costs due to limited configurability, requiring additional product testing and longer service times, which increases maintenance complexity and part inventory.
Innovation Solution
A brake control valve arrangement with an electro-pneumatic brake control valve block, including a hold valve, vent valve, main regulator, emergency, and tare pressure regulators, featuring a configuration module that provides a pneumatic path for air flow control using chokes, allowing for interchangeable valve designs and adjustable settings via height spacers.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If brake valve designs are highly individualized to meet specific customer requirements, then customer-specific performance is improved, but manufacturing costs and testing requirements increase
Solution Approach 1:
The brake valve is divided into a standardized valve block and interchangeable configuration modules. Each module can be independently selected and assembled to create different valve configurations, allowing customer-specific adaptations without redesigning the entire valve. This segmentation enables modular assembly of standardized components to meet diverse requirements while maintaining manufacturing efficiency.
Solution Approach 2:
The standardized valve block design serves as a universal base that can accommodate multiple configuration modules. This universal platform allows the same core valve to be configured for different customers and applications by simply changing the modules, eliminating the need for completely individualized designs and reducing manufacturing costs.
2Reliability
If additional product testing is performed for individualized brake systems, then reliability is improved, but time and cost increase
Solution Approach 1:
The standardized valve block and configuration modules are pre-tested and certified as complete assemblies. This preliminary testing of modular components eliminates the need for extensive re-testing when configuring new systems, as the pre-validated modules can be reliably combined without compromising system reliability.
Solution Approach 2:
Different configurations are achieved by changing modular components rather than redesigning the entire system. Since the core valve block and modules are pre-tested, parameter changes through module substitution do not require additional testing, maintaining reliability while reducing testing time.
3Adaptability or versatility
If brake valve configurations are highly customized, then customer requirements are met, but maintenance complexity and part inventory increase
Solution Approach 1:
The valve system is segmented into a standardized base and interchangeable modules. This segmentation allows maintenance personnel to work with a limited set of standardized components and modules rather than managing complex custom designs, reducing part inventory requirements while maintaining configuration flexibility.
Solution Approach 2:
The standardized valve block serves as a universal platform that can accommodate multiple types of configuration modules. This universality means that the same base component can be used across different configurations, reducing the total number of unique parts that need to be inventoried and simplified maintenance procedures.
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 easier modification and maintenance of existing systems, reducing part inventory and enabling earlier commissioning of changes, while ensuring predictable wheel slide protection performance by allowing standard application and release times irrespective of brake cylinder volume.
Implementation Method 1
at least one choke configured to control air flow in pneumatic paths to the inlet opening and vent opening
Data Source
AI summary
A brake control valve arrangement includes an electro-pneumatic brake control valve block having a hold valve and a vent valve, a main regulator valve and an emergency and a tare pressure regulator. The valve block has an inlet for a brake supply pressure and an outlet for a brake cylinder, wherein an inlet and a vent pneumatic opening is provided for the hold valve and vent valve. The arrangement also includes a configuration module in pneumatic connection with the brake supply pressure and providing a pneumatic path to the inlet, and a pneumatic path to the vent valve from the brake cylinder, the arrangement also including at least one choke configured to control air flow in pneumatic paths to the inlet opening and vent opening.