Air-Vapor Engine Prechamber Cycle for Zero-Emission Power
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Solution Overview
Problem
Existing engines, such as combustion engines and electric motors, suffer from high pollution, noise, high costs, limited range, and inefficiency, making them unsuitable for widespread use in transportation and other applications.
Innovation Solution
An air-vapor engine with a prechamber and condenser system that uses water vapor as fuel, forming an air-vapor mixture, which is then condensed and recycled, eliminating the need for combustion and reducing emissions, while being cost-effective for mass production and retrofitting existing vehicles.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Power
If combustion engines are used for transportation, then power and speed are improved, but air pollution and harmful emissions increase
Solution Approach 1:
The patent changes the fundamental operating parameter from combustion to phase change. Instead of burning fuel to generate power, the system uses water undergoing phase changes (liquid to vapor to liquid) to drive the piston, eliminating combustion emissions while maintaining power output
Solution Approach 2:
The patent utilizes phase transitions of water as the working medium. Water is vaporized in the combustion chamber to expand and drive the piston, then condensed in the condenser to return to liquid form, creating a continuous cycle that replaces combustion with phase change-driven motion
2Object-generated harmful factors
If electric motors are used for transportation, then emissions are reduced, but battery weight and cost increase
Solution Approach 1:
The system uses water, which is abundant and requires no heavy storage infrastructure. The water is continuously circulated and phase-changed within the engine itself, eliminating the need for heavy battery packs while maintaining emission-free operation
Solution Approach 2:
The patent employs pneumatic principles by using pressurized water vapor to drive the piston mechanically, converting thermal energy from phase change into mechanical work without requiring electrical batteries or motors
3Object-generated harmful factors
If vapor engines are used for transportation, then emissions are reduced, but device complexity increases
Solution Approach 1:
The patent merges the combustion chamber and condenser into a single integrated system where water is continuously circulated. The same water serves as both the working medium for power generation and the coolant for condensation, simplifying the overall system architecture
Solution Approach 2:
Water performs multiple functions within the system: it acts as the working medium for power generation through phase change, serves as the coolant in the condenser, and is continuously recycled. This multi-functionality reduces the need for separate systems and components
4Power
If combustion engines are used for transportation, then power density is improved, but noise levels increase
Solution Approach 1:
The patent replaces the combustion process (chemical energy release) with a controlled phase change process. The rapid vaporization and condensation of water produces power with significantly reduced noise compared to combustion, while maintaining high power density through efficient thermal cycling
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 air-vapor engine achieves zero emissions, high efficiency, and low operating costs, enabling widespread adoption and reducing environmental impact, with potential for both dynamic and static applications.
Implementation Method 1
a fuel fluid can be introduced from the injection nozzle into the prechamber and the fuel fluid can be converted into a vapor
Implementation Method 2
the air-vapor mixture can be introduced into the cylinder, such that the stroke movement of the piston can be effected within the cylinder
Implementation Method 3
the air-vapor mixture or the vapor of the air-vapor mixture can be introduced from the cylinder into the condenser and is present in the condenser as condensate
Data Source
AI summary
An air-vapor engine which exhibits one or more cylinders and a piston located therein, by which a stroke movement can be performed. Furthermore, the air-vapor engine has an injection nozzle and a prechamber. The prechamber is arranged between the injection nozzle and the cylinder, a fuel fluid is introduced into the prechamber from the injection nozzle. Compressed air from the cylinder can be received by the prechamber. This enables the stroke movement of the cylinder. In addition, the cylinder is connected to a condenser via an outlet valve such that the air-vapor mixture or the vapor of the air-vapor mixture condenses and is present in the condenser as condensate. The condenser and the injection nozzle are in flow connection. This means that the air-vapor engine exhibits a circuit, resulting in efficient operability.