Isi oke nke GE 7FDL Engine
Usoro GE 7FDL bụ igwe mmanụ dizel na-agba ọsọ strok anọ nke General Electric (GE) rụpụtara. Emebere ya nke ọma maka traction ụgbọ oloko, yana ọdabara maka sistemu ike mmiri na ngalaba nrụpụta ike kwụ ọtọ. N'okpuru bụ paramita ọrụ aka ya na nkọwa zuru ezu nke ụdị nwere ọnụ ọgụgụ cylinder dị iche iche.
I. Ntọala nka nka
Nkọwa zuru oke nke ihe
Onye nrụpụta GE Transportation Systems
Oge mmepụta 1956 iji gosipụta (nke a na-ejikarị na ụdị mbupụ mgbe 2004 gasịrị)
Ọrịa strok Ụdị-strok anọ
Nhazi ụdị cylinder V nke nwere akụkụ 45° gụnyere
Silinder gbara 9 sentimita (228.6 mm)
Piston Stroke 10.5 inch (266.7 mm)
Ụzọ nchacha ọkụ na-ekpochapụ turbocharging gas
Mmanụ ụgbọala Sistemu Direct injection
Ụdị mmanụ dizel
Sistemụ jụrụ oyi Mmiri dị jụụ
Oke ọsọ ọsọ 450 ~ 1,050 rpm (ọsọ ọsọ ọsọ: 600 ~ 900 rpm)
Oke mkpakọ dị ka 16.5: 1 (obere mgbanwe n'etiti ụdị dị iche iche)
Ntugharị kwa cylinder Ihe dị ka 18.68 L (uru gbakọrọ: π×(228.6/2)²×266.7×10⁻⁹)
II. Ihe atụ akọwapụtara nke ụdị nwere ọnụ ọgụgụ cylinder dị iche iche
Ọnụọgụ Model nke Ntugharị Silinder (L) Oke ike (hp) Ngwa ahụkarị
7FDL-8 8 Ihe dị ka 149.4 1,400 ~ 1,800 obere locomotives (dịka, GE CM20EMP), na-agbanwe locomotives.
7FDL-12 12 Ihe dị ka 224.2 2,000 ~ 3,300 locomotives nwere ọkara (dịka ọmụmaatụ, GE P32AC-DM locomotive dual-mode)
7FDL-16 16 Odika 298.9 2,400～4,400 Nnukwu locomotives mainline (dịka, AC4400CW, Dash 9-44CW)