Injin D-VVT shine ci gaba da haɓaka VVT, yana magance matsalolin fasaha waɗanda injin VVT ba zai iya shawo kan su ba.

DYYT yana nufin Dual Variable Valve Timeing. Ana iya cewa shine ci-gaba nau'i na fasahar tsarin lokaci mai canzawa na bawul na yanzu.

Injin DVVT shine mafi girman gasa sabon al'ada dangane da ingantaccen haɓaka fasahar injin VVT. An yi amfani da shi a cikin manyan ƙira kamar BMW 325DVVT. Duk da cewa ka'idar injin DVVT yayi kama da na injin VVT, injin VVT yana iya daidaita bawul ɗin sha kawai, yayin da injin DVVT zai iya daidaita bawul ɗin ci da shaye-shaye a lokaci guda. Roewe 550 1.8LDVVT kuma na iya cimma wani yanki na kusurwa bisa ga saurin injin daban-daban. Tsarin bawul na ciki yana daidaita daidaitaccen layi kuma yana da kyawawan halaye na ƙananan juyi, babban juyi, babban juyi da babban iko.

Injin D-VVT yana amfani da irin wannan ka'ida ga injin VVT, kuma yana amfani da tsarin cam mai sauƙi mai sauƙi don cimma ayyukansa. Bambanci shi ne cewa injin VVT zai iya daidaita bawul ɗin ci kawai, yayin da injin D-VVT zai iya daidaita bawul ɗin ci da shaye-shaye a lokaci guda. Yana da kyawawan halaye na ƙananan juyi, babban juyi, babban juyi da babban iko. jagorancin matsayi. A cikin sharuɗɗan ɗan adam, kamar numfashin ɗan adam, ikon sarrafa “exhale” da “shaka” a rhythm yadda ake buƙata, ba shakka, yana da babban aiki fiye da sarrafa “shaka”.