Reconfigurable Engine Air Intake and Exhaust System
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Solution Overview
Problem
Current air intake and exhaust systems for internal combustion engines are inflexible and specific to particular engine and vehicle platforms, limiting reconfiguration and aftermarket modifications, which hampers engine power and efficiency improvements.
Innovation Solution
A compact and reconfigurable air intake and exhaust system designed for front-engine, mid-engine, and rear-engine vehicles, featuring inter-related components that can be easily attached or detached to form various configurations, including Stage 1 through Stage 5 packages, utilizing turbochargers and intercoolers to enhance engine power with minimal component exchange.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the air intake and exhaust systems are designed to be specific to a particular engine and vehicle platform, then the system design is simplified and easier to manufacture, but the system lacks flexibility and cannot be reconfigured for different power stages or aftermarket modifications
Solution Approach 1:
The exhaust system is divided into separate manifolds for each cylinder bank, with each manifold capable of being independently configured. The system uses modular components including separate exhaust manifolds, a crossover pipe assembly with multiple connection options, and interchangeable turbocharger packages that can be attached to different manifold configurations, allowing the system to be segmented and reconfigured for different power stages without redesigning the entire system.
Solution Approach 2:
The exhaust manifold design incorporates universal features that allow the same basic manifold structure to serve multiple functions across different power stages. The manifolds are designed with standardized connection points and aperture positions that can accommodate both naturally aspirated configurations (Stage 1) and turbocharged configurations (Stage 2 and beyond), making the same component family universally applicable across different engine power requirements.
2Power
If the intake air path is made lengthier and more circuitous to accommodate turbocharging and intercooling, then engine power can be increased, but the flow rate and air charge introduced into the cylinders is reduced
Solution Approach 1:
The exhaust manifold design utilizes three-dimensional spatial arrangement of exhaust apertures and passageways to create compact yet efficient flow paths. The manifolds are shaped to accommodate turbochargers and intercoolers in vertical and lateral dimensions rather than extending long horizontal paths, maintaining short effective flow lengths while providing space for power-enhancing components in alternative spatial dimensions.
Solution Approach 2:
The system employs nested component arrangement where the turbocharger is positioned within or adjacent to the exhaust manifold structure, and the intercooler is integrated into the existing airflow paths. This nesting allows multiple components to occupy overlapping or adjacent spaces, reducing the overall system footprint and minimizing the length of intake air passages while still accommodating all necessary power-enhancing devices.
3Adaptability or versatility
If the exhaust system uses separate manifolds for each cylinder bank with multiple connection options, then the system becomes more flexible and reconfigurable, but the device complexity and number of components increases
Solution Approach 1:
The exhaust system incorporates dynamic configurability through selectable connection options rather than fixed routing. The crossover pipe assembly includes multiple aperture positions and connection points that can be selectively activated depending on the desired power stage, allowing the system to dynamically adapt its configuration. This enables a single physical component to serve multiple functional configurations without requiring separate complete systems for each power stage.
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 system allows for substantial increases in engine power by providing multiple configuration options, improving engine performance and flexibility, while maintaining a compact design and ease of component substitution.
Implementation Method 1
a turbocharger, which is a mechanical unit that contains one or more turbines that are rotated by exhaust gases, which rotation in turn actuates a pump, such as a centrifugal or axial-flow pump, to compress intake air
Implementation Method 2
the compressed intake air may also be cooled prior to introduction to the engine intake manifold
Data Source
AI summary
A multi-stage reconfigurable air intake and exhaust system for a piston engine having first and second rows of cylinders forming a V configuration. The system includes plural stage packages having inter-related components that can be connected and changed to form different air intake and exhaust gas configurations. There is particularly provided a Stage 1 package with first and second exhaust manifolds adapted to be respectively secured to the first and second rows of cylinders, and a Stage 2 package with a turbo exhaust manifold adapted for mounting a turbocharger, and also adapted to be secured to the first row of cylinders in lieu of the first exhaust manifold, and a crossover pipe assembly adapted for coupling the turbo exhaust manifold to the second exhaust manifold.