Introduction Power performance power per liter of gasoline has reached 45-70kW/L,some even up to 90kW.Diesel engine is 27kW/L,up to 45.5kW. Economy:gasoline engine fuel consumption rate is 280g/kWh,diesel engine is as low as 180g/kWh. Reliability overhaul of 12000-15000h,some up to 20000h. Massic 1.36 kg/kW. (2)Supercharger technology is widely used. (3)The rapid development ofelectronic controltechnology. (4)More and more use of new materials. 机被与电子工程学聚 Automobile and Tractor Northwest A&F University
Automobile and Tractor Northwest A&F University Introduction Power performance : power per liter of gasoline has reached 45-70kW/L, some even up to 90kW. Diesel engine is 27kW / L, up to 45.5kW. Economy : gasoline engine fuel consumption rate is 280g/kWh, diesel engine is as low as 180g/kWh. Reliability : overhaul of 12000-15000h,some up to 20000h. Massic : 1.36 kg/kW. (2) Supercharger technology is widely used. (3) The rapid development of electronic controltechnology. (4) More and more use of new materials
Introduction 2.The Type of Automobile and Tractor 2.1 The type of automobile Automobile can be divided by different classification methods. 2.1.1 Classification by use transport automobile and special automobile are divided into two categories. 2.1.1.1 Transport automobile (1)Car swept volume below 1L-Minicar,swept volume 1.0-1.6L-General Car;swept volume 1.6-2.5L-Intermediate Car;swept volume 2.5-4L-Middle- and-High Car;swept volume over 4L-Advanced Car. (2)Coach length 3.5m-Microbus length 3.5-7m-Light Bus length 7- 10m-Middle Bus length 10-12m-Motorbus length over 12m or double deck coach length 10-12m-Oversize Coach. (3)Van gross weight less than 1.8t-Minivan gross weight 1.8-6t-Light Van gross weight 6-14t-Middle Van gross weight over 14t -Large Van. (4)Drag automobile:exclusively or mainly used for dragging a car trailer. 械电子工程学度 Automobile and Tractor Northwest A&F University
Automobile and Tractor Northwest A&F University Introduction 2. The Type of Automobile and Tractor 2.1 The type of automobile Automobile can be divided by different classification methods. 2.1.1 Classification by use : transport automobile and special automobile are divided into two categories. 2.1.1.1 Transport automobile (1) Car : swept volume below 1L—Minicar; swept volume 1.0－1.6L—General Car; swept volume 1.6－2.5L —Intermediate Car; swept volume 2.5－4L—Middleand-High Car; swept volume over 4L —Advanced Car. (2) Coach : length 3.5m－ Microbus； length 3.5-7m－ Light Bus； length 7- 10m－Middle Bus；length 10-12m－Motorbus；length over 12m or double deck coach length 10-12m－Oversize Coach． (3) Van : gross weight less than 1.8t－Minivan； gross weight 1.8-6t－Light Van； gross weight 6-14t－Middle Van；gross weight over 14t －Large Van． (4) Drag automobile : exclusively or mainly used for dragging a car trailer