GDI-motor: da na'urar da musamman

GDI-engine tana nufin raka'a tare da kai tsaye man fetur allura, a cikin abin da man fetur cakuda baya shiga cikin da ci da yawa, kuma sau daya cikin ciki konewa engine cylinders. A lokacin, irin ikon shuke-shuke suna kammala motoci sanya a Japan. A musamman, da "Toyota", "Nissan" da "Mitsubishi".

GDI-injuna da kuma kayan aiki

Saboda haka, bari mu dubi zane fasali na wannan naúrar. Kamar yadda muka gani, da GDI-engine yana kai tsaye man fetur allura a cikin cylinders, wanda sanya shi yiwuwa a rage da talakawan man fetur amfani da har zuwa 20-30 bisa dari. Har ila yau, wannan na'ura ne halin da cewa ga kananan da kuma matsakaici lodi shi zo rabe cajin. A wannan yanayin, da man fetur ciyar a cikin engine Silinda matsa lamba tare da GDI game da 100 atmospheres, don haka da cewa shi ba ya sarrafa don samun isashshen sunadarin oxygen da. Don kwatanta, a cikin al'ada man fetur allura injuna walƙiya ya auku a wani matsin lamba na 3 ATM. Saboda wannan, kashi na man fetur ya zauna a cikin walƙiya toshe, da kuma ainihin lokacin da ya haifar.

Lokacin da wani ba yawa na man fetur ta shiga ci da yawa, shi gaba ɗaya cika dukan girma, game da shi, ya kafa wani hanzari evaporating da ramammu. A wannan yanayin, ba tare da shigar azzakari cikin farji na oxygen gas ba zai ƙona, kuma mafi yawansu, shi ne kawai yake tashi a tube. Yawancin lokaci a irin haka ne, injector Motoci overheats da kyandirori, wani fari toka. Menene ya faru da GDI-engine? Yana ba ya samar da irin wannan adibas, saboda ta zane ne ba da maƙura bawul. Yana, bi da bi, na kama da waje iska da kuma kai shi zuwa cikin Silinda (wannan ya auku a gaban shiri na man fetur-iska cakuda). A wannan yanayin, da mota bã Ya tõzartar da iko a kan iska ci, wanda shi ne yawanci 3-5 kasa horsepower. Har ila yau, GDI engine 18 da aka bambanta da ta babban matakin matsawa, wanda aka samu saboda wannan rashin maƙura.

Ya kamata a lura cewa a uniform Layer na oxygen da aka kafa, inda cakuda ignites da hanzari gudãnar da fistan ga Silinda ganuwar a lokacin konewa. Da kuma yadda da GDI-engine a iyakar kaya? Idan na farko da biyu lokuta, da manufa na rabe cajin, to, wannan ba a cika load. The man fetur a wannan yanayin shiga cikin Silinda a fi girma adadin, kuma ba kamar yadda kafin, saboda wanda ya ƙãra wa kwarara kudi da kuma maida hankali matakin na cutarwa abubuwa a cikin shaye gas a kanti. Saboda wannan dalili duk zamani injuna suna sanye take da ƙarin GDI injectors a kan ci da yawa. Suna iya rage man fetur amfani up zuwa matakin na al'ada motoci tare da man fetur-allura raka'a. Saboda haka, matsakaicin lodi shi jan daidai adadin man fetur, da kuma jimloli da ya dace ikon injector kamar yadda al'ada Motors.

Yadda za a ayyana wannan kokarin?

Yawanci, matsakaicin load a kan engine GDI-kawai ta fara da gudun kilomita 120 a kowace awa, saboda haka a mafi yawan lokuta ta fuskar tattalin arziki naúrar jan man fetur.