Stirling Engine Heater Heat Exchanger Installation Flexibility
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Solution Overview
Problem
Conventional Stirling engines have limited flexibility in installing the heater heat exchanger, making it difficult to accommodate various high-temperature heat sources, as the heater heat exchanger is typically directly connected to the expansion space and lacks positional freedom.
Innovation Solution
A Stirling engine design where the engine main body and heater structure are separate, connected via a coupling pipe portion, allowing for adjustable positional relationships and increased installation flexibility of the heater heat exchanger, including arrangements that allow the regenerator and cooler heat exchanger to be positioned behind the cylinder with the regenerator above, and the heater heat exchanger to be annularly arranged for multiple cylinders.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If the heater heat exchanger is directly connected to the expansion space and arranged in proximity to the engine, then the structural simplicity is improved, but the installation flexibility is worsened
Solution Approach 1:
The heater heat exchanger is separated from the engine main body through a coupling pipe portion, dividing the previously integrated structure into independent components. This segmentation allows the heater heat exchanger to be positioned at different locations and connected to various heat sources while maintaining structural simplicity through modular design.
Solution Approach 2:
The coupling pipe portion enables dynamic positioning of the heater heat exchanger relative to the engine main body. The flexible connection allows adjustment of spatial relationships and orientations, providing installation flexibility without compromising the simplicity of the overall structure.
2Stability of the object's composition
If the heater heat exchanger is arranged in the piston sliding direction, then the structural alignment is improved, but the adaptability to various heat source configurations is worsened
Solution Approach 1:
The coupling pipe portion provides dynamic positioning capability, allowing the heater heat exchanger to be oriented in different directions and positioned at various locations relative to the engine main body. This maintains structural alignment through controlled positioning while enabling adaptation to diverse heat source configurations.
Solution Approach 2:
The coupling pipe portion serves multiple functions: connecting the heater heat exchanger to the engine, enabling positional adjustment, and accommodating various heat source geometries. This universal connection mechanism allows the same basic structure to adapt to different installation scenarios.
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
This design enhances the installation freedom of the heater heat exchanger, enabling its effective integration with a wide range of high-temperature heat sources, improves engine output through heat storage in the coupling pipes, and allows for adjustable engine output to protect components from excessive heat.
Implementation Method 1
absorbing heat therefrom
Implementation Method 2
a regenerator
Implementation Method 3
a cooler heat exchanger
Data Source
Figure 1
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AI summary
[Problem] To provide a Stirling engine having a high degree of freedom in installation of a heater heat exchanger. [Solution] A Stirling engine 10 includes an engine main body E including at least an engine unit 11 and a cooler heat exchanger 14, and a heater structure H including at least a heater heat exchanger 12. The engine main body E and the heater structure H have separate structures, and the engine main body E and the heater structure H are connected via a coupling pipe portion.