Awọn ifilelẹ akọkọ ti GE 7FDL Engine
jara GE 7FDL jẹ ẹrọ diesel iyara alabọde mẹrin-ọpọlọ ti a ṣelọpọ nipasẹ General Electric (GE). O jẹ apẹrẹ nipataki fun isunmọ locomotive oju-irin, ati pe o tun wulo fun awọn eto agbara oju omi ati awọn ẹya iran agbara iduro. Ni isalẹ wa awọn aye imọ-ẹrọ mojuto ati awọn alaye ni pato ti awọn awoṣe pẹlu awọn iṣiro silinda oriṣiriṣi.
I. Ipilẹ Technical Parameters
Paramita Ohun kan Awọn alaye pato
Olupese GE Transportation Systems
Akoko iṣelọpọ 1956 lati ṣafihan (ti a lo ni awọn awoṣe okeere lẹhin ọdun 2004)
Ọpọlọ Iru Mẹrin-ọpọlọ
Silinda Eto V-Iru akanṣe pẹlu 45° to wa igun
Silinda Bore 9 inches (228.6 mm)
Piston Stroke 10.5 inches (266.7 mm)
Supercharging Ọna eefi gaasi turbocharging
Idana System Direct abẹrẹ
Epo Iru Diesel
Itutu eto Omi-tutu
Iwọn Iyara Iyara 450 ~ 1,050 rpm (iyara iṣẹ ṣiṣe: 600 ~ 900 rpm)
Iwọn funmorawon Ni isunmọ 16.5:1 (awọn iyatọ diẹ laarin awọn awoṣe oriṣiriṣi)
Gbigbe fun Silinda Ni isunmọ 18.68 L (iye iṣiro: π× (228.6 /2)²×266.7×10⁻⁹)
II. Awọn paramita pato ti Awọn awoṣe pẹlu Awọn iṣiro Silinda oriṣiriṣi
Nọmba Awoṣe ti Iṣipopada Silinda (L) Iwọn Agbara (hp) Awọn ohun elo Aṣoju
7FDL-8 8 Isunmọ 149.4 1,400～1,800 Kekere locomotives (fun apẹẹrẹ, GE CM20EMP), yiyi locomotives
7FDL-12 12 Ni isunmọ 224.2 2,000～3,300 Alabọde awọn locomotives (fun apẹẹrẹ, GE P32AC-DM locomotive meji)
7FDL-16 16 Isunmọ 298.9 2,400～4,400 Awọn locomotives akọkọ laini nla (fun apẹẹrẹ, AC4400CW, Dash 9-44CW)