Side-Mounted Heat Exchangers for Inline Engine Cooling
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Solution Overview
Problem
Existing inline engines face challenges in efficiently managing temperature control and component protection due to the complex packaging of heat exchangers, which can lead to inefficiencies and increased costs.
Innovation Solution
The proposed solution involves a cooling system with side-mounted heat exchangers, including a raw coolant circuit and two fresh coolant circuits, utilizing pumps and heat exchangers to regulate temperatures effectively, with specific mounting configurations that enhance operational efficiency and reduce packaging costs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If heat exchangers are packaged on an inline engine according to prior art configurations, then temperature control function is provided, but device complexity and packaging difficulty increase
Solution Approach 1:
The patent combines multiple heat exchangers (raw water heat exchanger and fresh water heat exchanger) into a single integrated assembly mounted on the side of the engine block. This merging approach provides comprehensive temperature control for both raw coolant and fresh coolant systems while reducing the overall number of separate components and simplifying packaging requirements compared to traditional distributed configurations.
2Temperature
If multiple heat exchangers are distributed throughout the engine, then temperature regulation is achieved, but space usage and packaging efficiency decrease
Solution Approach 1:
The patent transitions from a distributed linear arrangement of heat exchangers along the engine to a compact two-dimensional side-mounted configuration. By mounting both the raw water heat exchanger and fresh water heat exchanger on the side of the engine block in an integrated assembly, the design achieves effective temperature regulation while significantly reducing the longitudinal space requirement and improving packaging efficiency.
3Temperature
If traditional heat exchanger configurations are used, then cooling function is provided, but manufacturing costs and packaging complexity increase
Solution Approach 1:
The integrated side-mounted heat exchanger assembly combines multiple cooling functions into a single manufacturable unit. This consolidation reduces the number of separate manufacturing operations, assembly steps, and associated costs compared to traditional configurations requiring multiple discrete heat exchangers to be sourced, packaged, and installed separately throughout the engine.
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 configuration ensures efficient temperature regulation, reduces coolant temperatures for critical components, and minimizes space usage, thereby improving engine performance and longevity while lowering costs.
Implementation Method 1
a first heat exchanger mounted at the first side of the engine block and configured to receive a flow of raw coolant and a flow of fresh coolant
Data Source
AI summary
An engine is disclosed. The engine may have an engine block with a front end, a back end opposite the front end in a length direction, a first side, a second side opposite the first side, a top, and a bottom opposite the top. The engine may also have at least one cylinder head connected to the top of the engine block, and a first heat exchanger mounted at the first side of the engine block and configured to receive a flow of raw coolant and a flow of fresh coolant. The engine may further have a second heat exchanger mounted at the first side of the engine block, between the first heat exchanger and the top. The second heat exchanger may be configured to receive a flow of fresh coolant from the first heat exchanger and a flow of combustion air.