SCR Line Section Adjacent Reductant and Temperature Control Lines
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing SCR line sections for internal combustion engines are inflexible, costly, and require significant installation space, with the section of the reductant line in the housing often remaining unheated or requiring additional electrical heating, which is inefficient.
Innovation Solution
A line section design where the reductant line and temperature control agent line are guided adjacent to each other through the entire coupling housing, allowing for efficient heat transfer and eliminating the need for additional electrical heating, with a flexible and cost-effective manufacturing process.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Use of energy by moving object
If the reductant line and temperature control agent line are guided separately through the coupling housing, then the installation is simpler, but the heating efficiency is insufficient and additional electrical heating is required
Solution Approach 1:
The patent combines the reductant line and temperature control agent line into a single integrated line section where both lines are guided adjacently through the coupling housing. This merging allows the temperature control agent to directly heat the reductant line along its entire length, eliminating the need for separate electrical heating systems while maintaining a compact and manageable structure.
Solution Approach 2:
The patent implements a nested arrangement where the first line (reductant line) and second line (temperature control agent line) are positioned concentrically or adjacently within the same coupling housing. This nesting enables efficient thermal coupling while keeping the overall structure compact and manageable.
2Adaptability or versatility
If traditional SCR line sections are used, then the structure is proven and reliable, but they require significant installation space and are inflexible
Solution Approach 1:
The patent merges multiple line functions into a single integrated line section that guides both the reductant and temperature control agent through the same coupling housing. This consolidation reduces the overall installation space required while providing flexible routing options that can adapt to different installation scenarios.
Solution Approach 2:
The patent employs flexible hose lines instead of rigid tubes, allowing the line section to be dynamically adapted to various installation spaces and configurations. The flexible construction enables the lines to bend and conform to different spatial requirements while maintaining functional integrity.
3Temperature
If the reductant line section in the housing is heated, then temperature control is improved, but additional electrical heating increases complexity and cost
Solution Approach 1:
The patent implements a self-service heating system where the temperature control agent flowing through the second line automatically provides thermal energy to the reductant line. This self-heating mechanism eliminates the need for external electrical heating systems, reducing complexity while ensuring the reductant remains at the required temperature throughout the coupling housing.
Solution Approach 2:
The temperature control agent acts as an intermediary that transfers thermal energy from the heat source to the reductant line. By using the flowing temperature control agent as the heat transfer medium, the system achieves efficient temperature control without requiring direct electrical heating of the reductant line.
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 enables flexible installation, cost-effective manufacturing, and improved temperature control of the SCR system without the need for additional electrical heating, ensuring the reductant line is heated throughout its length within the housing.
Implementation Method 1
the section of the reductant line located in the housing disadvantageously remains unheated or must additionally electrically heated... enables flexible installation, cost-effective manufacturing, and improved temperature control of the SCR system without the need for additional electrical heating, ensuring the reductant line is heated throughout its length within the housing
Data Source
AI summary
A line section for temperature-controlled guiding of a reductant for the exhaust gas post-treatment of an internal combustion engine, comprising a first line for guiding the reductant, a second line for guiding a temperature control agent, and a casing surrounding the first and second lines. The first and second lines are disposed extending adjacent to each other in the casing and guided in a coupling housing connected to the casing. Both the first and second lines are guided through the entire coupling housing while extending adjacent to each other.