ENGINE INTAKE PORT STRUCTURE

PROBLEM TO BE SOLVED: To generate a strong swirl flow in an airflow led to flow out into a cylinder by suppressing the generation of a circulation flow disturbing the airflow. SOLUTION: The downstream of a spiral portion 3c communicating the linear portion 11a of a swirl port 11 with a valve throat...

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Bibliographische Detailangaben
1. Verfasser:	SHIBUI ATSUSHI
Format:	Patent
Sprache:	eng
Schlagworte:	ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES BLASTING CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION COMBUSTION ENGINES COMBUSTION ENGINES IN GENERAL CYLINDERS, PISTONS OR CASINGS, FOR 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 INTERNAL-COMBUSTION PISTON ENGINES LIGHTING MECHANICAL ENGINEERING 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:	PROBLEM TO BE SOLVED: To generate a strong swirl flow in an airflow led to flow out into a cylinder by suppressing the generation of a circulation flow disturbing the airflow. SOLUTION: The downstream of a spiral portion 3c communicating the linear portion 11a of a swirl port 11 with a valve throat portion 3b opened/closed by an intake valve 5 and opened in the upper part of the cylinder 1a is placed on the valve throat portion 3b, and a projecting portion 6 is formed on the upper surface on the downstream of the spiral portion 3c and in the opposite position to the linear portion 11a across a valve stem 12. The projecting portion 6 prevents generation of the circulation flow Sb generated above the valve throat portion 3b and developing toward the cylinder 1a. COPYRIGHT: (C)2008,JPO&INPIT