Turbocharged Motor Unit Intercooler Using Shared Cooling Airflow
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing air-to-air intercoolers in self-propelled operating machines face inefficiencies in heat transfer and require additional ventilation systems, which are costly and complex.
Innovation Solution
A motor unit with a supercharging system that includes a second heat exchanger with fluid conveying means to pass a cooling air flow generated by existing ventilation means, optimizing heat transfer between external cooling air and combustion air without additional fans.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If additional ventilation means are installed at the intercooler to promote heat transfer, then cooling efficiency is improved, but device complexity and cost increase
Solution Approach 1:
The patent makes the turbine serve multiple functions: it not only drives the compressor for supercharging but also acts as a ventilation means to generate air flow through the intercooler for heat transfer. This multi-functionality eliminates the need for separate ventilation fans or blowers, reducing device complexity while maintaining cooling efficiency
Solution Approach 2:
The system uses its own operational components (the turbine driven by exhaust gases) to provide the ventilation function needed for intercooler operation. The turbine naturally generates air flow as part of its normal operation, making the system self-sufficient without requiring external ventilation equipment
2Temperature
If additional ventilation means are installed at the intercooler to promote heat transfer, then cooling efficiency is improved, but manufacturing cost increases
Solution Approach 1:
The turbine is designed to perform dual functions: compressor drive and intercooler ventilation. By making the existing turbine multi-functional rather than adding separate ventilation equipment, manufacturing costs are reduced while achieving the required cooling efficiency
Solution Approach 2:
The system utilizes the turbine's inherent operation to provide ventilation, eliminating the need to manufacture and install additional expensive ventilation components. The exhaust gas energy already present in the system is repurposed to drive the ventilation function
3Temperature
If the intercooler is positioned to optimize heat transfer, then cooling efficiency is improved, but installation complexity increases
Solution Approach 1:
The turbine's dual role as both compressor driver and ventilation source creates a self-contained intercooler assembly that can be installed as a single unit. This integration simplifies installation positioning requirements while maintaining optimal heat transfer conditions
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 enhances heat transfer efficiency, ensures the intercooler is safe, mechanically strong, and easy to install, while being cost-effective and structurally simple.
Implementation Method 1
a cooling system that comprises a first heat exchanger (3) that is fluidically connected to a cooling circuit obtained in said motor
Implementation Method 2
a second heat exchanger (14) placed along said suction duct, downstream of said compressor; said motor unit being characterized in that it comprises fluid conveying means adapted to pass a flow of cooling air through said second heat exchanger
Implementation Method 3
a turbine (12) mounted along an exhaust duct, a compressor (13) mounted along a suction duct
Data Source
AI summary
A motor unit, particularly for operating machines, comprising an internal combustion engine provided with a cooling system that comprises a first heat exchanger fluidically connected to a cooling circuit obtained in said motor, and ventilation means adapted to generate an air flow through the first heat exchanger; the motor being further provided with a supercharging system that comprises a turbine mounted along an exhaust duct, a compressor mounted along a suction duct and a second heat exchanger placed along the suction duct, downstream of said compressor. The motor unit comprises fluid conveying means adapted to make a flow of cooling air pass through the second heat exchanger, such flow being generated by the ventilation means.