Wani gefen yanke. Tsarin kashe Silinda
Masu amfani da ababen hawa suna son abin hawa su cinye ɗan ɗanyen mai kamar yadda zai yiwu. Don haka, masu kera motoci dole ne su cika waɗannan tsammanin, musamman ta hanyar ba da sabbin hanyoyin magance konewa.
Ragewa yana samun shahara a masana'antar injin shekaru da yawa yanzu. Muna magana ne game da rage ƙarfin injiniyoyi da kuma ƙara ƙarfin su a lokaci guda, wato, yin amfani da ka'idar: daga ƙananan iko zuwa babban iko. Don me? Shi ne don rage yawan man fetur, kuma a lokaci guda rage fitar da mahadi masu cutarwa a cikin iskar gas. Har zuwa kwanan nan, ba abu mai sauƙi ba ne don daidaita ƙananan ƙananan injin tare da karuwa a cikin iko. Koyaya, tare da yaduwar allurar mai kai tsaye, da kuma haɓaka ƙirar turbocharger da lokacin bawul, raguwa ya zama ruwan dare gama gari.
Manyan masana'antun mota da yawa suna ba da injunan rage girman. Wasu ma sun yi ƙoƙari su rage adadin silinda a cikinsu, wanda ke fassara zuwa ƙananan amfani da man fetur.
Amma akwai wasu fasahohin zamani da za su iya rage yawan man fetur. Wannan shi ne, misali, aikin kashe silinda wanda aka yi amfani da shi a cikin ɗayan injunan Skoda. Wannan rukunin man fetur 1.5 TSI 150 hp da ake amfani da shi a cikin samfuran Karoq da Octavia, wanda ke amfani da tsarin ACT (Active Cylinder Technology). Dangane da nauyin da ke kan injin, aikin ACT yana kashe biyu daga cikin silinda huɗu musamman don rage yawan mai. Ana kashe silinda guda biyu lokacin da ba a buƙatar cikakken ƙarfin injin, kamar lokacin yin motsi a wurin ajiye motoci, lokacin tuƙi a hankali, da lokacin tuƙi akan hanya a matsakaicin matsakaicin matsakaici.
An riga an yi amfani da tsarin ACT a ƴan shekaru da suka wuce a cikin 1.4 hp Skoda Octavia 150 TSI engine. Ita ce injin farko da irin wannan bayani a cikin wannan ƙirar. Har ila yau, daga baya ya sami hanyar shiga cikin Superb da Kodiaq model. An yi gyare-gyare da gyare-gyare da dama zuwa sashin 1.5 TSI. A cewar masana'anta, bugun jini na silinda a cikin sabon injin yana ƙaruwa da 5,9 mm yayin da yake riƙe da ƙarfin 150 hp. Koyaya, idan aka kwatanta da injin TSI na 1.4, rukunin TSI na 1.5 yana da ƙarin sassauci da saurin amsawa ga motsi na feda mai haɓakawa. Wannan ya faru ne saboda turbocharger tare da nau'in geometry mai canzawa, wanda aka shirya musamman don aiki a yanayin zafi mai yawa. A daya bangaren kuma, na’urar sanyaya, wato, na’urar sanyaya iskar da injin turbocharger, an kera shi ne ta yadda zai iya sanyaya kayan da aka matsa zuwa zafin jiki na digiri 15 kawai sama da yanayin yanayi. Wannan zai ba da damar ƙarin iska don shiga ɗakin konewa, yana haifar da ingantaccen aikin abin hawa. Bugu da ƙari, an motsa intercooler gaba da maƙura.
Hakanan an ƙara matsa lamban allurar mai daga 200 zuwa 350. Madadin haka, an rage jujjuyawar hanyoyin cikin gida. Daga cikin wasu abubuwa, crankshaft main bearing an rufi tare da polymer Layer. A daya bangaren kuma, an yi wa silinda wani tsari na musamman don rage takun saka a lokacin da injin ke sanyi.
Don haka, a cikin injin 1.5 TSI ACT daga Skoda, yana yiwuwa a yi amfani da ra'ayin ragewa, amma ba tare da buƙatar rage ƙaura ba. Ana samun wannan tashar wutar lantarki akan Skoda Octavia (limousine da wagon tasha) da kuma Skoda Karoq a cikin watsawa ta atomatik na hannu da dual-clutch.
