Corrugated Plastic Exhaust Pipe Structure for Rigidity and Flexibility
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing plastic pipes, particularly exhaust pipes, face challenges in achieving the right balance of rigidity, flexibility, and durability to adapt to complex installation environments while maintaining effective interaction with fluids, such as exhaust gases, and require improved condensation properties and resistance to environmental influences.
Innovation Solution
A one-piece plastic pipe design featuring a combination of rigid smooth sections and structural sections with grooves, where flexible corrugated sections are inserted between structural sections to enhance rigidity and condensation efficiency, and the structural sections are designed to increase the inner surface area for better fluid interaction, while the corrugated sections provide flexibility and thermal stability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If corrugated pipe sections are used to improve flexibility and bendability, then the pipe can adapt to non-linear installation environments, but the rigidity and dimensional stability of the pipe is reduced
Solution Approach 1:
The pipe is divided into distinct segments: rigid smooth pipe sections and flexible corrugated bending sections. This segmentation allows each section to perform its specialized function - the smooth sections provide structural rigidity while the corrugated sections provide flexibility for bending and adaptation to non-linear installation paths.
Solution Approach 2:
Different sections of the pipe have different local properties - the smooth pipe sections are designed for rigidity and structural support, while the corrugated bending sections are designed for flexibility and deformability. This local differentiation of qualities allows the pipe as a whole to achieve both rigidity and flexibility where needed.
2Adaptability or versatility
If structural sections with intersecting groups of bending grooves are used to achieve multidimensional deformability, then the pipe can adapt to complex geometries, but the interaction properties with fluids and condensation efficiency are reduced
Solution Approach 1:
The pipe is segmented into smooth pipe sections that interact with fluids and corrugated bending sections that provide deformability. By separating the fluid-interacting surfaces from the bending mechanisms, the smooth sections maintain optimal fluid interaction properties and condensation efficiency while the corrugated sections handle the mechanical adaptation to complex geometries.
Solution Approach 2:
The socket pipe sections and insertion sections act as intermediaries that connect the smooth pipe sections and corrugated bending sections. These intermediary components allow the pipe to achieve multidimensional deformability through the corrugated sections while the smooth sections maintain their optimal fluid interaction properties, with the intermediaries facilitating the connection between these different functional zones.
3Ease of manufacture
If the pipe is designed as a continuous one-piece structure, then manufacturing simplicity is improved, but the ability to cut and use parts via recurring segments is reduced
Solution Approach 1:
The one-piece pipe incorporates periodically recurring segments that include socket pipe sections, insertion sections, and corrugated bending sections. These recurring segments are designed with standardized connection interfaces that allow the pipe to be easily cut and assembled in different configurations while maintaining a simple one-piece manufacturing process. The segmentation is built into the design rather than requiring post-manufacturing modification.
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 design achieves improved rigidity, enhanced condensation of fluids, reduced material usage, and better thermal expansion management, leading to increased durability and adaptability of the plastic pipes in various applications, including exhaust systems.
Implementation Method 1
the corrugated pipe sections are usually used to improve or achieve the bendability or deformability of the plastic exhaust pipe
Implementation Method 2
the condensation effect or condensation suitability of the plastic exhaust pipes are important in this regard
Implementation Method 3
the corrugated pipe sections provide flexibility and thermal stability
Data Source
Figure 1~5
Figure 6a~6c
Figure 7~8
AI summary
The invention relates to a one-piece plastic pipe (1), in particular a plastic exhaust pipe for conveying exhaust gas, especially from building heating systems, comprising a plurality of rigid smooth pipe sections (3) and a plurality of structural sections (4) adjoining the rigid smooth pipe sections (3) at least on one side along a longitudinal axis (L) of the plastic pipe (1), wherein the structural sections (4) have a first group (6) of structural grooves (7). According to the invention, it is provided that at least one flexible bending section (2), designed as a corrugated pipe section, is arranged between two of the structural sections (4). The invention also relates to a plastic pipe system.