Gasoline engine air and waste gas layering adjusting device

• Main Authors: ZHONG BING, LI HONGTAO, XIE FANGXI, HAN LINPEI, HONG WEI, SU YAN, WANG XINFENG, JIANG WEI, CHEN JING
• Format: Patent
• Language: English
• Published: 23.09.2015
• Subjects: BLASTING; COMBUSTION ENGINES; HEATING; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS; LIGHTING; MECHANICAL ENGINEERING; SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF; WEAPONS

Gasoline engine air and waste gas layering adjusting device belongs to the engine technology field, the utility model discloses in two intake ducts entry intercommunication be equipped with inlet manifold's export of heater, I entry intercommunication intake duct II of backward flow branch pipe, II entry intercommunication heater back end inlet manifolds of backward flow branch pipe, four exhaust valves on the cylinder cap feed through export of two intake ducts and two exhaust passages entry respectively, backward flow branch pipe I, II all is equipped with EGR control valve and cooler, its export all feeds through the waste gas house steward that flows back, in the jar is realized to needs gaseous state working medium the reinforcing of layering effect or weaken, need higher or lower jar in during the temperature, equal accessible the utility model discloses a device is adjusted, the utility model discloses directly spout EGR working medium concentration and the narrow problem of the controllable scope of distribution of temperature that exists in the gasoline engine in overcoming current four properties door (two advance two rows) jar, realize the jar in working medium distribution wide region controllable, further improve the EGR tolerance, the fuel economy who improves the gasoline engine of bigger degree.