Adaptive Artificial Aspiration System for Engine Efficiency
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Solution Overview
Problem
Traditional artificial aspiration methods for internal combustion engines are insufficient at low speeds or non-design exhaust temperatures, leading to inefficient engine operation.
Innovation Solution
An adaptive artificial aspiration system that determines engine operating status and configures itself to optimize efficiency by adjusting components like superchargers, turbo boosters, and aspiration source control valves based on real-time data from sensors, aiming to minimize fuel usage or maximize power.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional artificial aspiration methods are used (driven by engine or exhaust pressure), then the system structure is simple, but the aspiration effectiveness is insufficient at low speeds or non-design temperatures
Solution Approach 1:
The patent implements a dynamic artificial aspiration system where the supercharger can operate in multiple modes (engine-driven, exhaust-driven, electric motor-driven, or combinations thereof) based on real-time operating conditions such as engine speed, temperature, and power demand. This dynamic configuration allows the system to adapt to varying operational requirements, resolving the contradiction between reliability and adaptability.
Solution Approach 2:
The supercharger unit is designed with multi-functionality, capable of being driven by multiple power sources (engine crankshaft, exhaust pressure, or electric motor) and performing multiple functions (compression, cooling, and direct injection). This universal design enables the system to maintain aspiration effectiveness across diverse operating conditions, addressing both reliability and adaptability requirements.
2Power
If artificial aspiration is increased to improve power-to-weight ratio, then engine efficiency increases, but fuel consumption increases
Solution Approach 1:
The system dynamically changes operational parameters by selecting different supercharger drive modes and adjusting compression ratios based on real-time engine conditions. The control unit monitors parameters such as engine speed, temperature, and power demand to optimize the balance between power output and fuel consumption, resolving the contradiction between improved power-to-weight ratio and fuel efficiency.
Solution Approach 2:
The patent implements a feedback control system where the control unit continuously monitors engine operating parameters and adjusts the supercharger operation accordingly. This feedback mechanism ensures that artificial aspiration is optimized for each specific operating condition, maximizing power-to-weight ratio while minimizing fuel consumption through adaptive control.
3Adaptability or versatility
If a hybrid supercharger system with multiple drive sources is used, then adaptability to operating conditions improves, but system complexity increases
Solution Approach 1:
The patent merges multiple drive sources (engine crankshaft, exhaust pressure system, and electric motor) into a unified supercharger system with a single control unit that manages all drive modes. This integration approach maintains adaptability to various operating conditions while reducing overall system complexity through consolidated control architecture and shared components.
Data Source
AI summary
Artificial aspiration methods and systems for increasing engine efficiency and or power. The methods include determining an engine operation status, determining an artificial aspiration goal value based on the engine operating status, determining an artificial aspiration system configuration based on the artificial aspiration goal value and the engine operating status, and configuring the artificial aspiration system to obtain the determined artificial aspiration system configuration. The system includes a plurality of sensors for sensing characteristics of an operating engine, and an artificial aspiration control unit comprising a processor connected to receive the sensed characteristics of the engine. On one example, the processor is configured to determine the engine operating status, determine an artificial aspiration goal value based on the engine operating status, determine an artificial aspiration system configuration based on the artificial aspiration goal value and the engine operating status, and configure the artificial aspiration system to obtain the determined artificial aspiration system configuration.