MultiAir

Mechini e mengata ea MultiAir e sebelisa sisteme ea motlakase ea motlakase e laolang boikhethelo ba li-valve tsa silindara ka 'ngoe. Ho ipapisitse le boemo bo potlakileng ba koloi, sistimi e ikamahanya le e 'ngoe ea mekhoa e mehlano e meholo ea nako ea li-valve e fapaneng le ho phahamisa valve e fapaneng. Leha ho le joalo, molao-motheo o ho li-motor tsa MultiAir o lumella palo e sa lekanyetsoang ea likhokahano tse fapaneng tsa taolo ea li-valve ho latela maeto le nako.

Sistimi ena e khahlisa le ho feta, ebile e le ea liphetoho, hobane ka keketseho e ts'oanang ea matla a motlakase le torque, e boetse e fokotsa tšebeliso ea mafura ka hona e tsoa moeeng. Mohopolo oa tharollo ena o bonahala o loketse moetlo oa hajoale o ntseng o eketseha o thata ho ea ho li-unit tsa motlakase tse hloekileng le tse nyane. Fiat Powertrain Technologies, lefapha le ntlafalitseng le ho patentsa sistimi ena, e re ha e bapisoa le enjene e tloaelehileng ea mollo o boholo bo lekanang, MultiAir e ka fana ka matla a 10% ho feta, torque ea 15% ho feta le ho fokotsa ts'ebeliso ho fihlela 10%. Kahoo, tlhahiso ea likhase tsa CO e tla fokotsoa ka nepo.₂ 10%, likaroloana tsa taba ho fihlela 40% le NO_x ka 60% e makatsang.

Multiair e fokotsa ho its'etleha ha maeto a li-valve sebakeng se nepahetseng sa cam, kahoo e fana ka melemo e mengata ho feta li-valve tse tloaelehileng tse feto-fetohang. Pelo ea tsamaiso ke kamore ea hydraulic e pakeng tsa khamera ea taolo le valve e tsamaisanang le eona. Ka ho laola khatello ka kamoreng ena, hoa khoneha ho finyella ho buloa hamorao kapa, ka lehlakoreng le leng, ho koala ha valve ea ho noa pele ho nako, hammoho le ho bula li-valve tsa ho kenya letsoho nakong ea leqeba la ho qeta, e leng se tiisang hore khase ea ho tsoa ka hare e tsosolosoa hape. . Molemo o mong oa Multiair system ke hore, joalo ka lienjineri tsa BMW Valvetronic, ha e hloke 'mele oa throttle. Sena se fokotsa haholo tahlehelo ea ho pompa, e bonts'ang ka sekhahla sa phallo e tlase, haholo ha enjene e le tlas'a mojaro o fokolang.