Low-Temperature Motor Compressor with Active Chamber
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Solution Overview
Problem
Conventional valve and spring regulators used in high-pressure compressed air systems have low flow rates, are inefficient, and are sensitive to icing, making them unsuitable for urban and suburban applications where efficient and reliable energy release is needed.
Innovation Solution
A low-temperature motor-compressor unit with an active chamber that uses a refrigerating or cryogenic machine to cool intake air, significantly reducing its temperature before compression, and an external combustion chamber to increase the volume and temperature of compressed air, allowing for efficient energy use and reduced emissions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If conventional valve and spring regulators are used to release compressed air, then the system can maintain pressure control, but the flow rate is low and the device becomes heavy and inefficient
Solution Approach 1:
The patent replaces the conventional mechanical valve and spring regulator system with a pneumatic expansion valve system. The expansion valve uses the compressed air itself to drive the opening mechanism, eliminating the need for heavy mechanical springs and valves. This substitution enables high flow rates while reducing device weight and improving efficiency.
2Reliability
If conventional valve and spring regulators are used, then pressure control is possible, but the device is very sensitive to icing due to air cooling during relaxation
Solution Approach 1:
The patent introduces an intermediary heating system that uses exhaust gases or external heat sources to preheat the compressed air before it expands through the valve. This intermediary heating prevents the air from cooling below freezing during expansion, eliminating icing sensitivity while maintaining operational reliability.
3Device complexity
If compressed air is released directly from high pressure tank, then the system is simple, but the pressure decreases as tank empties requiring stable intermediate pressure
Solution Approach 1:
The patent implements a preliminary pressure stabilization stage where compressed air is first released to an intermediate pressure buffer before being used in the expansion chamber. This preliminary action maintains stable intermediate pressure throughout the tank emptying process, ensuring consistent performance without requiring complex pressure regulation systems.
4Power
If thermal heater is used to increase compressed air temperature and pressure, then engine performance increases considerably, but thermal energy input requirements increase
Solution Approach 1:
The patent recovers thermal energy from the engine exhaust gases and uses it to preheat the compressed air before it enters the expansion chamber. This energy recovery process reduces the thermal energy input requirements while maintaining high engine performance, effectively utilizing waste heat that would otherwise be discarded.
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 enables a considerable increase in machine performance while reducing thermal energy input requirements and minimizing pollutant emissions, achieving colder combustion that enhances efficiency and reduces material constraints and NOx formation.
Implementation Method 1
uses a refrigerating or cryogenic machine to cool intake air, significantly reducing its temperature before compression
Implementation Method 2
an external combustion chamber to increase the volume and temperature of compressed air
Implementation Method 3
achieving colder combustion that enhances efficiency and reduces material constraints and NOx formation
Data Source
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AI summary
The invention concerns a low-temperature motor compressor unit with continuous "cold" combustion at constant pressure and with active chamber operating in particular with working compressed air and using a device for controlling the travel of the piston as well as an active chamber, comprising a cold chamber (29) for lowering to very low temperature, atmospheric air which feeds the intake (28) of an air compressing device (28,25,26,33), which thereafter delivers said working compressed air, still at low temperature, into an external combustion chamber (19) equipped with a heating device (19A) at constant pressure where it will increase in volume prior to its quasi-isothermal transfer, into the active chamber (13) producing a work before expanding in a master cylinder (2) to produce another work. The invention is applicable to land vehicles, cars, buses, motorcycles, boats, auxiliary power plants, cogeneration assembly, stationary heat engines.