Isothermal adiabatic engine

By adopting multi-stage isothermal adiabatic compression and expansion technology in gas engines, the approximate Kano cycle is achieved, which solves the problems of high heat resistance and mechanical performance requirements of materials in high temperature environments, improves the thermal efficiency of the engine and ensures the stability of power generation efficiency.

CN222686753UActive Publication Date: 2025-03-28BEIJING ZHONGRE POWER EQUIP CO LTD
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Patent Information

Application Number
CN202421466807.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-25
Publication Date
2025-03-28
Estimated Expiration
2034-06-25

AI Technical Summary

Technical Problem

The existing gas engines have high requirements for material heat resistance and mechanical properties in high temperature environments, and the existing technology works in medium and low temperature zones, rely on solar energy, and have low power generation efficiency in rainy weather.

Method used

Isothermal adiabatic engine technology is adopted, through multi-stage isothermal compression and multi-stage adiabatic compression, combined with multi-stage isothermal expansion and multi-stage adiabatic expansion, the approximate Kano cycle is achieved, the thermal efficiency is improved, and multiple combustions are carried out in the combustion chamber to improve the engine thermal efficiency.

Benefits of technology

A high-efficiency engine working in a high-temperature zone is achieved, thermal efficiency is improved, dependence on solar energy is reduced, and the stability of power generation efficiency is ensured.

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Abstract

An isothermal adiabatic engine comprises a multi-stage isothermal compressor, a cooler, a multi-stage adiabatic compressor, a multi-stage isothermal expansion machine, a combustion chamber, a multi-stage adiabatic expansion machine, an engine rotating shaft, a circulating working medium (air) and connecting pipelines among the components. The isothermal compressor, the adiabatic compressor, the isothermal expansion machine and the adiabatic expansion machine are coaxially connected in series through an engine rotating shaft so as to achieve efficient energy conversion. The cooler is installed between every two stages of isothermal compressors and used for cooling and compressing working media, and the combustion chamber is located between every two stages of isothermal expansion machines or between the last-stage adiabatic compressor and the first-stage expansion machine and used for the combustion process. The design aims to improve the efficiency of the gas engine through a multi-stage compression and expansion process in combination with isothermal and adiabatic conditions.
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