FUEL INJECTION CONTROL DEVICE

• Main Authors: SHIMAZU TAKAYUKI, KURIYAGAWA YOHEI, MURANO WATARU
• Format: Patent
• Language: English
• Published: 01.11.2012
• Subjects: 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

PROBLEM TO BE SOLVED: To accurately control the injection of gaseous fuel even when a gaseous fuel injection valve is coupled to an air intake pipe via a tubular member.SOLUTION: A fuel injection control device controls the gaseous fuel injection valve 4 coupled to the air intake pipe via the tubular member. The fuel injection control device is configured: to calculate the amount of gaseous fuel remaining in the tubular member based on the capacity of the tubular member and an internal pressure of the air intake pipe every time a gaseous fuel injection amount is calculated; to calculate the mount of gaseous fuel to be injected in the current injection based on the amount of remaining gaseous fuel in the previous injection and the amount of remaining gaseous fuel in the current injection; and controlling the gaseous fuel injection valve 4 according to the result of the calculation.