FOUR-CYCLE ENGINE

• Main Authors: OOBA, JUNICHI, TAKII, OSAMU, NISHIMURA, HIDEHIRO
• Format: Patent
• Language: English; French; Japanese
• Published: 29.12.2004
• Edition: 7
• Subjects: BLASTING; COMBUSTION ENGINES; COMBUSTION ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNALCOMBUSTION ENGINES; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES ORENGINES IN GENERAL; HEATING; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS; INTERNAL-COMBUSTION PISTON ENGINES; LIGHTING; MACHINES OR ENGINES IN GENERAL; MECHANICAL ENGINEERING; STEAM ENGINES; WEAPONS

A first catalyst (9) is provided in an exhaust pipe (6), and a second catalyst (10) is provided in the exhaust pipe (6), on the downstream side of the first catalyst (9), with a spacing from the first catalyst (9). A secondary air-introducing pipe (11) for introducing secondary air is connected to a...