GAS ENGINE

Provided is a gas engine in which the air-fuel ratio can be controlled according to a change in the composition of a fuel gas. A gas engine (1) provided with an A/F valve (22) and a solenoid valve (21) and performing perturbation using the solenoid valve (21), wherein the gas engine (1) is configure...

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Bibliographische Detailangaben
1. Verfasser:	OTSUBO, HIROYUKI
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	BLASTING CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION COMBUSTION ENGINES CONTROLLING COMBUSTION ENGINES GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MECHANICAL ENGINEERING SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE WEAPONS
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Beschreibung
Zusammenfassung:	Provided is a gas engine in which the air-fuel ratio can be controlled according to a change in the composition of a fuel gas. A gas engine (1) provided with an A/F valve (22) and a solenoid valve (21) and performing perturbation using the solenoid valve (21), wherein the gas engine (1) is configured in such a manner that a reference opening degree (B) is set while the opening degree of the A/F valve (22) is adjusted so that the time average opening degree of the solenoid valve (21) is 50% in a specific engine operating condition in which a reference fuel gas is used, and in such a manner that the gas engine (1) is provided with a control unit (10) which operates in actual operation so that, when a valve opening degree (A) in the specific operating condition of the engine is less than the set reference opening degree (B), the control unit (10) resets the opening degree of the A/F valve (22) to a degree less than the reference opening degree (B), and so that, when the valve opening degree (A) in the specific operating condition of the engine is greater than the set reference opening degree (B), the control unit (10) resets the opening degree of the A/F valve (22) to a degree greater than the reference opening degree (B).