GAS ENGINE

A gas engine controls an air-fuel ratio in accordance with changes in the composition of fuel gas. The gas engine includes an A/F valve, a solenoid valve, and a control unit to carry out a perturbation process using the solenoid valve. A reference opening degree is specified by adjusting the opening...

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Bibliographische Detailangaben
1. Verfasser:	OTSUBO HIROYUKI
Format:	Patent
Sprache:	eng
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:	A gas engine controls an air-fuel ratio in accordance with changes in the composition of fuel gas. The gas engine includes an A/F valve, a solenoid valve, and a control unit to carry out a perturbation process using the solenoid valve. A reference opening degree is specified by adjusting the opening degree of the A/F valve so that the time-average opening degree of the solenoid valve is equal to 50% in a particular engine operating environment created using reference fuel gas. The control unit resets the opening degree of the A/F valve to a value that is lower than the reference opening degree if the valve opening degree is lower than the specified reference opening degree and resets the opening degree of the A/F valve to a value that is higher than the reference opening degree if the valve opening degree is higher than the specified reference opening degree.