A single cylinder engine intake and exhaust pressure boundary control apparatus and method

By using intake and exhaust fluctuation valves in a single-cylinder engine, combined with a pressure stabilizing unit and a pressure sensor, precise control of the intake and exhaust pressure boundaries of the single-cylinder engine is achieved, solving the problem of insufficient control precision in existing technologies and enabling the simulation of both conventional and special environments.

CN117703608BActive Publication Date: 2026-06-26THE 711TH RES INST OF CHINA STATE SHIPBUILDING CORP
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
THE 711TH RES INST OF CHINA STATE SHIPBUILDING CORP
Filing Date
2023-11-14
Publication Date
2026-06-26

AI Technical Summary

Technical Problem

In existing technologies, the control accuracy of intake and exhaust pressure boundaries in single-cylinder engines is limited, making it impossible to achieve precise control of the amplitude, waveform, and period of intake and exhaust pressure fluctuations, and impossible to extend to simulation of special environments.

Method used

By employing intake and exhaust fluctuation valves, combined with intake and exhaust pressure regulating units, and using pressure sensors to detect and control the amplitude, waveform, and period of gas fluctuations, precise control of the intake and exhaust pressure boundaries of a single-cylinder engine can be achieved.

Benefits of technology

It improves the control accuracy of intake and exhaust pressure boundaries of single-cylinder engines, enabling the simulation of both normal and special environments, and ensuring the safe operation of single-cylinder engines in special environments.

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Abstract

The application discloses a single-cylinder engine intake and exhaust pressure boundary control device and method, and relates to the technical field of single-cylinder engines. The control device comprises a single-cylinder engine, an air compressor connected to the air inlet end of the single-cylinder engine, and an exhaust manifold connected to the air outlet end of the single-cylinder engine. The air inlet control module comprises an air inlet fluctuation valve connected between the air compressor and the single-cylinder engine, which is used for adjusting the control parameters of the first gas provided by the air compressor, so that the first gas meets the air inlet requirements of the single-cylinder engine. The exhaust control module comprises an exhaust fluctuation valve connected between the single-cylinder engine and the exhaust manifold, which is used for adjusting the control parameters of the second gas discharged by the single-cylinder engine, so that the second gas meets the exhaust requirements of the single-cylinder engine. In this way, by arranging the air inlet fluctuation valve and the exhaust fluctuation valve, the fluctuation amplitude, waveform and period of the single-cylinder engine intake and exhaust are controlled, and then the single-cylinder engine intake and exhaust pressure boundary is controlled, and the control precision of the intake and exhaust pressure boundary is improved.
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