VARIABLE VALVE TIMING DEVICE

VARIABLE VALVE TIMING DEVICE

PROBLEM TO BE SOLVED: To certainly inhibit discharge of unburned HC at the time of cold start by appropriately controlling a valve-opening overlap of an intake and exhaust valve. SOLUTION: An overlap including a large part of a suction stroke range after a top dead center is formed after an initial...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: NAKAI HIDEO, NAKAYAMA OSAMU, HIRAISHI FUMIAKI, OKUNO KAZUHIRO, DOUGAHARA TAKASHI, MURATA SHINICHI
Format: Patent
Sprache:eng
Schlagworte:
BLASTING
COMBUSTION ENGINES
CONTROLLING COMBUSTION ENGINES
HEATING
HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
LIGHTING
MECHANICAL ENGINEERING
WEAPONS
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Beschreibung
Zusammenfassung:PROBLEM TO BE SOLVED: To certainly inhibit discharge of unburned HC at the time of cold start by appropriately controlling a valve-opening overlap of an intake and exhaust valve. SOLUTION: An overlap including a large part of a suction stroke range after a top dead center is formed after an initial explosion in cranking, and then an overlap within an exhaust stroke range before the top dead center is increased. COPYRIGHT: (C)2007,JPO&INPIT