Cylinder head for internal combustion engine
One ends of an exhaust path 20 communicate with a plurality of combustion chambers 16 through exhaust ports 18, respectively, an assembling section 22 is provided on the other ends of the exhaust path 20, and a turbo supercharger 45, an exhaust tube 46 and an exhaust purification catalyst 47 are con...
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Main Authors | , , |
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Format | Patent |
Language | Chinese English |
Published |
09.01.2013
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Subjects | |
Online Access | Get full text |
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Summary: | One ends of an exhaust path 20 communicate with a plurality of combustion chambers 16 through exhaust ports 18, respectively, an assembling section 22 is provided on the other ends of the exhaust path 20, and a turbo supercharger 45, an exhaust tube 46 and an exhaust purification catalyst 47 are connected to the assembling section 22, on the other hand, a bypass path 52 communicating from the exhaust path 20 to the exhaust tube 46 and the exhaust purification catalyst 47 by bypassing a turbo supercharger 45 is provided and an exhaust control valve 53 capable of opening and closing the bypass path 52 is provided, and a bypass hole 62, which is a part of the bypass path 52, is provided in the cylinder head 11. In the cylinder head of the internal-combustion engine, catalyst warm-up performance is improved and a device is made compact-sized. |
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Bibliography: | Application Number: CN20121336757 |