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Emva kweminyaka yophuhliso, itekhnoloji yokutofa kwedizili iye yavela kwi-original ye-injection ye-injection yomatshini ukuya kwinkqubo enobunkunkqele obuphezulu elawulwa nge-elektroniki. Oku kulandelayo ngamanyathelo aphambili kuphuhliso lobuchwepheshe benaliti ye-diesel:

1.Isixokelelwano sokuqala sokutofa ngoomatshini: Eyona nkqubo yakuqala yokutofa idizili yayiyeyomatshini, kusetyenziswa impompo yokutofa kunye nombhobho wenaliti yamafutha ukutofa idizili kwicylinder. Le nkqubo idla ngokuqhutywa ngumatshini wokudibanisa intonga, kwaye isixa se-injection yayo kunye nexesha le-injection lilawulwa ngamacandelo omatshini.

2.Ukuvela kweenkqubo zokutofa ezilawulwa ngombane: Ngeminyaka yee-1980, uphuhliso lobuchwepheshe bolawulo lwe-elektroniki lwakhuthaza ukuvela kweenkqubo zokutofa ezilawulwa ngekhompyutha. Le nkqubo isebenzisa i-electronic control unit (ECU) ukulawula ngokuchanekileyo isixa sokutofa kunye nexesha lokutofa, ngaloo ndlela ifezekisa ukusebenza kakuhle kwamafutha kunye nokusebenza kokukhupha.

I-3.Uxinzelelo oluphezulu lwe-teknoloji ye-injection kaloliwe eqhelekileyo: Ngasekupheleni kwee-1990 kunye ne-2000s yokuqala, iteknoloji ye-injection kaloliwe eqhelekileyo yaqala ukusetyenziswa ngokubanzi. Obu bugcisa busebenzisa inkqubo yonikezelo lwamafutha kaloliwe eqhelekileyo ukugcina idizili kuxinzelelo oluphezulu kakhulu kumzila kaloliwe oqhelekileyo kwaye igalelwe ngokuchanekileyo kwi-cylinder ngokusebenzisa ii-injection ezilawulwa ngombane. Inkqubo kaloliwe eqhelekileyo yoxinzelelo oluphezulu ibonelela ngoxinzelelo oluphezulu lwenaliti kunye nolawulo lwenaliti oluchanekileyo, ngaloo ndlela iphucula ukusebenza kakuhle kwamafutha kunye nokusebenza kwamandla.

I-4.Ukuphuculwa okuqhubekayo koxinzelelo lwe-injection: Ngokuqhubela phambili kweteknoloji, uxinzelelo olusebenzayo lwenkqubo ye-injection luye lwaphuculwa ngokuqhubekayo, ukusuka kumakhulu okuqala e-bar ukuya kumawaka akhoyo ebha. Uxinzelelo lwenaliti ephezulu inokufezekisa ngcono i-atomization yamafutha kunye nokusebenza okuphezulu kokutsha, ngaloo ndlela kuphuculwe ukuphuma kwamandla kunye nokunciphisa ukukhutshwa.

I-5.Ukusetyenziswa kweteknoloji ye-injection multiple: Kwiminyaka yakutshanje, iinkqubo ze-diesel injection ziye zaqala ukufumana iteknoloji ye-injection multiple. Le teknoloji ifezekisa ulawulo lokutsha oluchanekileyo ngokwenza iinaliti ezininzi kumjikelo ngamnye wokutsha, ngaloo ndlela iphucula ngakumbi ukusebenza kakuhle kwamafutha kunye nokunciphisa ukukhutshwa.

Ngokubanzi, uphuhliso lwetekhnoloji yesitofu sedizili lugxile ikakhulu ekuphuculeni ukuchaneka kwenaliti, ukonyusa uxinzelelo lwenaliti, ukulungelelanisa ixesha lokutofa kunye nokuphonononga iindlela ezintsha zokutofa, ezijolise ekufezekiseni ukusebenza kakuhle kwamafutha, ukukhutshwa okuphantsi kunye nokusebenza kwamandla aphezulu.