Modular Heating Modules for Railway Car Thermal Management

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Solution Overview

Problem

Existing railway carriages lack a cost-effective and adaptable solution for heating materials during transportation across varying weather conditions, especially in winter, and existing solutions do not allow for easy retrofitting or modular heating components that can be easily detached and reattached.

Innovation Solution

A heatable railway carriage with detachable and interchangeable heating components, comprising multiple heating modules that can be fastened to the exterior or interior surfaces of the carriage, allowing for flexible heating coverage and easy installation or removal, including heatable conveyor belts with integrated heating elements.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If heating components are permanently integrated into the railway carriage, then heating reliability is improved, but adaptability and ease of removal deteriorate

Engineering Contradiction:
Improveheating reliabilityVSAvoidadaptability
Core Design Contradiction:
ReliabilityVSAdaptability or versatility

Solution Approach 1:

The heating system is divided into separate, modular heating elements that can be independently attached to or removed from the railway carriage. Each heating element functions as an independent module with its own heating components, allowing selective installation and removal without affecting the entire heating system or the carriage structure.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The heating elements are designed with dynamic attachment and detachment capabilities, transitioning between fixed and mobile states. This allows the heating system to adapt to different operational requirements - permanently fixed during winter operations for reliability, and easily removable during summer for adaptability and payload optimization.

Inventive Principle:
Principle #15Dynamics

2Reliability

If heating components are permanently integrated into the railway carriage, then heating reliability is improved, but payload weight deteriorates

Engineering Contradiction:
Improveheating reliabilityVSAvoidpayload weight
Core Design Contradiction:
ReliabilityVSWeight of moving object

Solution Approach 1:

The heating system is segmented into separate attachable elements rather than being integrated into the carriage structure. This segmentation allows the heating components to be removed when not needed, optimizing payload weight during summer months while maintaining heating capability when required.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The heating elements can be temporarily discarded (removed) from the carriage during warm weather to maximize payload capacity, and recovered (reattached) when heating is needed. This cyclical attachment and detachment optimizes the balance between heating reliability and payload weight throughout the year.

Inventive Principle:
Principle #34Discarding and recovering

3Adaptability or versatility

If heating components are detachable and modular, then adaptability is improved, but device complexity increases

Engineering Contradiction:
ImproveadaptabilityVSAvoiddevice complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The heating system is segmented into standardized modular elements that simplify the overall device complexity. Each module contains integrated heating components and attachment mechanisms, reducing the complexity of individual units while enabling flexible configuration through simple assembly and disassembly of these standardized modules.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The modular heating elements are designed with universal attachment interfaces that can be applied to different carriage types and configurations. This universality reduces device complexity by using standardized components across multiple applications rather than designing custom integrated heating systems for each specific carriage.

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

4Ease of operation

If heating components are detachable and modular, then ease of operation is improved, but manufacturing precision deteriorates

Engineering Contradiction:
Improveease of operationVSAvoidmanufacturing precision
Core Design Contradiction:
Ease of operationVSManufacturing precision

Solution Approach 1:

The heating system is segmented into discrete modular elements with standardized attachment interfaces. This segmentation improves ease of operation by allowing simple attachment and removal of individual modules, while the standardized interfaces maintain sufficient manufacturing precision through tolerance-based fitting mechanisms rather than requiring high-precision custom fabrication.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The attachment mechanism utilizes parameter changes such as thermal expansion, elastic deformation, or friction-based locking to achieve secure connection without requiring extremely tight manufacturing tolerances. This allows easy operation through simple attachment actions while maintaining adequate manufacturing precision through tolerance compensation in the connection design.

Inventive Principle:
Principle #35Parameter changes

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 efficient heating and thawing of materials during transportation, optimizing payload weight by allowing heating components to be removed during warmer months, and facilitating rapid deployment of heating systems where needed, without compromising the carriage's structural integrity or loading capacity.

Implementation Method 1

the heating elements are supplied with operating power to heat the material

Methodology Applied
Scientific EffectJoule heating: Joule Heating

Implementation Method 2

The heating component – and thus also the individual heating modules – is not integrated into a wall, but rather rests against a section of the base and/or the front and/or side wall of the receiving container

Methodology Applied
Scientific EffectThermal conduction: Conduction (thermal)

Implementation Method 3

heating modules that can be fastened to the exterior or interior surfaces of the carriage, allowing for flexible heating coverage

Methodology Applied
Scientific EffectThermal radiation: Thermal Radiation

Data Source

PatentEP2993102B1Heatable railway car, heating module for a railway car and heatable belt conveyor for a railway car
Publication Date: 2021.02.24 ZUERCHER HLDG GMBH
  • EP2993102B1 patent drawingFigure 1a~1b
  • EP2993102B1 patent drawingFigure 2a
  • EP2993102B1 patent drawingFigure 2b~2c

AI summary

The present invention relates to heated railcars (1) for material transport, designed for operation on a track. Such a railcar (1) has a receiving container (10') for material collection, which has a bottom, end walls, and side walls. For heating purposes, it has at least one heating element detachably attached to the railcar (1). According to the invention, the heating element (10) is replaceable, or the multiple heating elements (10) are each individually replaceable and are formed from individually replaceable heating modules (10, 21', 23"). The heating element is not integrated into a wall but rests against and is attached to a surface section of the bottom and/or the end and/or side wall of the receiving container (10') on the inside or outside. The shape of the heating module (10), which is either a single piece or multi-part, corresponds to the shape of the surface section.The heating modules (10, 21', 23") are detachably connected to the inner or outer surface of the base and/or the end and/or side wall. The invention further relates to the heating modules themselves (10, 21', 23") and to a material belt conveyor in which such heating modules (10, 21', 23") are accommodated.