JP2937043B

PURPOSE: To switch over between a diesel cycle and a miller cycle easily by utilizing the structure of conventional compressed air open type braking device. CONSTITUTION: An engine valve opening and closing control device is provided with an interlocking mechanism 30 which drives an intake valve or...

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Bibliographische Detailangaben
Hauptverfasser:	YAMAKI YOSHIHISA, KOKETSU SUSUMU
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION COMBUSTION ENGINES COMBUSTION ENGINES IN GENERAL CONTROLLING COMBUSTION ENGINES CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES ENGINE PLANTS IN GENERAL 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 INTERNAL-COMBUSTION PISTON ENGINES LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING STEAM ENGINES 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:	PURPOSE: To switch over between a diesel cycle and a miller cycle easily by utilizing the structure of conventional compressed air open type braking device. CONSTITUTION: An engine valve opening and closing control device is provided with an interlocking mechanism 30 which drives an intake valve or an exhaust valve of the other cylinder by interlocking it with an intake or exhaust rocker arm for each cylinder and a switchover means to switch over the interlocking mechanism 30 between the operating condition and stop condition. Also the interlocking mechanism 30 comprises a hydraulic pressure generating part 12, a drive part 13, and an oil path 11 to connect the hydraulic pressure generating part 12 and drive part 13 between the cylinders different from each other. Then the interlocking mechanism 30 is formed so that the start of compression in a combustion chamber of cylinders at the end of intake stroke is delayed when an intake or an exhaust rocker arm is operated. It is also provided with a control means which, when an internal combustion engine is in a high speed, low load area, controls the switchover means so that the interlocking mechanism 30 is brought into operating conditions.