DiesOtto dong co the he moi cua Mercedes
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Ngay 25/7, hang xe hang sang nuoc Duc trinh lang dong co 4 xi-lanh hoat dong theo ca hai nguyen ly cua dong co xang va dau, voi muc tieu hao chi 6 lit nhien lieu cho 100 km. Dong co nay co cong suat 238 ma luc va cai ten "DiesOtto" duoc ghep tu thuat ngu "diesel" va "xang" trong tieng Duc. Theo hang me cua Mercedes, tap doan lon thu nam the gioi DaimlerChrysler, DiesOtto la ket qua sau nhieu nam nghien cuu che tao dong co sach va tiet kiem.
Mercedes khong he co y dinh che tao ra dong co tiet kiem nhieu lieu theo kieu "nan" ve xe co nho ma thuc hien tren chinh nhung mau xe hang sang cua minh. Tham chi Mercedes se trang bi dong co nay tren nhung chiec co lon nhu S-class voi tinh nang van hanh khong co nhieu khac biet. Dung tich cua DiesOtto la 1,8 lit, tuong duong voi dong co C180. Mercedes tich hop bo tang ap turbin tren DiesOtto nham tang cong suat, dong thoi su dung cong nghe phun xang truc tiep de cai thien hieu suat. Su sang tao cua DiesOtto so voi cac dong co khac nam o cho kho co the goi no la dong co xang hay dau. Khi khoi dong hoac chay voi toc do cao, tuong tu dong co xang, DiesOtto su dung bu-gi de danh lua dot hon hop nhien lieu - khong khi. O van toc trung binh, qua trinh chay trong xi-lanh DiesOtto giong dong co diesel, nghia la khong dung bu-gi danh lua ma nen o ap suat cao cho den khi hon hop tu bat chay. Volkswagen cung dang nghien cuu cong nghe tuong tu va tap doan oto lon nhat chau Au len ke hoach ra mat vao giua thap ky sau. Trong Nghiep (theo Reuters, AMP)
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Viet Bao
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