Injin 3ZR-FE
3ZR-FE injin ingin mai konewa na cikin gida ne mai silinda huɗu. Tsarin rarraba gas shine 16-valve, wanda aka tsara bisa ga tsarin DOHC, tare da camshafts guda biyu. Tushen Silinda simintin yanki ne guda ɗaya, jimlar ƙaurawar inji shine lita biyu. Nau'in tafiyar lokaci - sarkar.
Babban alama na musamman na jerin shine ya zama Dual VVT-I da Valvematic, waɗanda aka haɓaka azaman martani ga tsarin Valvetronic daga BMW da VVEL daga Nissan.
Dual VVT-I babban tsarin bawul ɗin lokaci ne na fasaha wanda ke canza lokutan buɗewar ba kawai ci ba har ma da shaye-shaye. Amma, kamar yadda aikin ya nuna, babu wani sabon abu da aka ƙirƙira. Keɓance dabarar talla ta Toyota, wanda aka yi don mayar da martani ga haɓakar masu fafatawa. Standard VVT-I clutches yanzu suna kan duka camshafts na lokaci, wanda aka haɗa ba kawai ga ci ba, har ma da bawul ɗin shayewa. Yin aiki a ƙarƙashin ikon naúrar kwamfuta ta lantarki, tsarin Dual VVT-I yana sa halayen injin su zama iri ɗaya cikin sharuddan juzu'i da saurin crankshaft.
Ƙirƙiri mafi nasara mafi nasara shine tsarin sarrafa rabon iska da man fetur na Valvematic. Dangane da yanayin aiki na injin, tsayin bugun jini na bawul ɗin ci yana canzawa, yana zaɓar mafi kyawun abun da ke tattare da taron man fetur. Na'urar kwamfuta ce ke sarrafa tsarin da ke ci gaba da tattarawa da sarrafa bayanai kan aikin injin. A sakamakon haka, tsarin Valvematic yana da 'yanci daga dips da jinkirin da ke hade da hanyoyin sarrafawa na inji. Sakamakon haka, injin Toyota 3ZR-FE ya tabbatar da cewa na'urar wutar lantarki ce ta tattalin arziki da "mai amsawa", wanda ya fi dacewa da halayensa ga injunan konewa na ciki.
Gaskiya mai ban sha'awa. Kasar Brazil wadda ita ce kasar da ta fi kowacce kasa samar da sukari a duniya, ta yi nasarar mayar da shi zuwa sinadarin ethanol, wanda ake amfani da shi a matsayin man fetur na injunan konewa a ciki. Tabbas, Toyota ba ya so ya daina irin wannan kasuwa mai ban sha'awa, kuma a cikin 2010 ya sake tsara samfurin 3ZR-FE don amfani da irin wannan man fetur. Sabuwar samfurin ta karɓi prefix FFV zuwa sunan, wanda ke nufin "injin mai da yawa".
Ƙarfi da raunin 3ZR-FE
Gabaɗaya, injin ya yi nasara. Ƙarfi da tattalin arziƙi, yana nuna ƙaƙƙarfan halayen juzu'i akan kusan dukkan kewayon saurin crankshaft. Kayan aiki na tsarin Valvematic yana da tasiri mai kyau akan "amsar" na 3ZR-FE don danna maɗaukakiyar bugun jini da kuma canje-canje kwatsam a cikin halayen kaya.
Abubuwan da ba su dace ba sun zama ruwan dare gama gari. Rashin gyare-gyaren girma na tubalin silinda. Tsarin tsarin lokaci, wanda aka aiwatar ba tare da nasara ba, cewa lokaci yayi da za a yi magana game da albarkatun injiniya na kilomita 200, wato, har sai sarkar ta kasa.
Dangane da tsarin Dual VVT-I, mai na 3ZR-FE dole ne a zaɓi a hankali. Yayi kauri sosai, zai haifar da rushewar tsarin rarraba iskar gas. Yawancin masana suna ba da shawarar 0w40.
Bayanan Bayani na 3ZR-FE
| nau'in injin | inline 4 cylinders DOHC, 16 bawuloli |
| Yanayi | 2 l. (1986 cc) |
| Ikon | 143 h.p. |
| Torque | 194 N*m a 3900 rpm |
| Matsakaicin matsawa | 10.0:1 |
| Silinda diamita | 80.5 mm |
| Piston bugun jini | 97.6 mm |
| Mileage don gyarawa | 400 000 kilomita |
Tun lokacin da aka saki shi a cikin 2007, an shigar da 3ZR-FE akan:
- Toyota Voxy?
- Toyota Nuhu;
- Toyota Avensis?
- Toyota RAV4;
- A cikin 2013, an fara sakin Toyota Corolla E160.
