发动机分类
1 往复式内燃机  reciprocating internal combustion engine
2 化油器式发动机  carburetor engine
3 转子发动机  rotary engine
发动机调速器
4 旋轮线转子发动机  rotary trochoidal engine
5 二冲程发动机  two-stroke engine
6 四冲程发动机  four-stroke engine
7 增压式发动机  supercharged engine
8 风冷式发动机  air-cooled engine
9 油冷式发动机  oil-cooled engine
10 水冷式发动机  water-cooled engine
11 自然进气式发动机  naturally aspirated engine
12 煤气机  gas engine
13 液化石油气发动机  liquified petroleum gas engine
14 柴油煤气机  diesel gas engine
15 多种燃料发动机  multifuel engine
16 石油发动机  hydrocarbon engine
17 双燃料发动机  duel fuel engine
18 热球式发动机  hot bulb engine
19 多气缸发动机  multiple cylinder engine
20 对置活塞发动机  opposed piston engine
21 对置气缸式发动机  opposed-cylinder engine
22 十字头型发动机  cross head engine
23 直列式发动机  in-line engine
24 星型发动机    radial engine
25 筒状活塞发动机  trunk-piston engine
26 斯特林发动机  stirling engine
27 套阀式发动机  knight engine
28 气孔扫气式发动机  port-scavenged engine
29 倾斜式发动机  slant engine
30 前置式发动机  front-engine
31 后置式发动机  rear-engine
32 中置式发动机  central engine
33 左侧发动机  left-hand engine
34 右侧发动机  right-hand engine
35 短冲程发动机  oversquare engine
36 长冲程发动机  undersquare engine
37 等径程发动机  square engine
38 顶置凸轮轴发动机  overhead camshaft engine
39 双顶置凸轮轴发动机  dual overhead camshaft engine
40 V形发动机  V-engine
41 顶置气门发动机  valve in-head engine
42 侧置气门发动机  side valve engine
43 无气门发动机  valveless engine
44 多气门发动机  multi-valve engine
45 卧式发动机  horizontal engine
46 斜置式发动机  inclined engine
47 立式发动机  vertical engine
48 W形发动机  w-engine 
49 I形发动机  I-engine
50 L形发动机  L-engine
51 F形发动机  F-engine
52 原机  Engine prototype
 
发动机性能
53 二冲程循环  two-stroke cycle
54 四冲程循环  four-stroke cycle
55 狄塞尔循环  diesel cycle
56 奥托循环  otto cycle
57 混合循环  mixed cycle
58 定容循环 constant volume cycle
59 工作循环  working cycle
60 等压循环  constant pressure cycle
61 理想循环  ideal cycle
62 热力循环  thermodynamic cycle
63 冲程  stroke
64 活塞行程  piston stroke
65 长行程  long stroke
66 上行程  up stroke
67 下行程  down stroke
68 进气行程    intake stroke
69 充气行程  charging stroke
70 压缩行程  compression stroke
71 爆炸行程  explosion stroke
72 膨胀行程  expansion stroke
73 动力行程  power stroke
74 排气行程  exhaust stroke
75 膨胀换气行程  expansion-exchange stroke
76 换气压缩行程 exchange-compression stroke
77 上止点 top dead center(upper dead center)
78 下止点  lower dead center(bottom dead center)
79 上止点前 budc(before upper dead center)
80 上止点后  atdc(after top dead cetner)
81 下止点前  bbdc(before bottom dead center)
82 下止点后  abdc(after bottom dead center)
83 排气量  displacement
84 发动机排量  engine displacement
85 活塞排量 piston swept volume
86 气缸容量 cylinder capacity
87 单室容量  single-chamber capacity
88 容积法  volumetry
89 压缩比  compression ratio
90 临界压缩比  critical compression ratio
91 膨胀比  expansion ratio
92 面容比  surface to volume ratio
93 行程缸径比  stroke-bore ratio
94 混合比  mixture ratio
95 压缩压力  compression pressure
96 制动平均有效压力  brake mean effective pressure(bmep)
97 空燃比  air fuel ratio
98 燃空比  fuel air ratio
99 燃料当量比 fuel equivalence ratio
100 扭矩 torque
101 单缸功 power per cylinder
102 升功率  power per liter
103 升扭矩  torque per liter
104 升质量  mass per liter 
105 减额功率  derating power
106 输出马力  shaft horsepower
107 马力小时,马力时  horsepower-hour
108 总马力  gross horse power
109 总功率  gross power 
110 净功率  net power 
111 燃油消耗量  fuel consumption 
112 比燃料消耗率  specific fuel consumption
113 空气消耗率 air consumption
114 机油消耗量  oil consumption
115 有效马力  net horse power
116 额定马力  rated horse power
117 马力重量系数  horsepower-weight factor
118 制动功率  brake horse power
119 制动热效率  brake thermal efficiency 
120 总效率  overall efficiency
121 排烟极限功率  smoke limiting horsepower
122 功率曲线  power curve
123 机械损失  mechanical loss
124 机械效率  mechanical efficiency
125 有效热效率    effective thermal efficiency
126 充气系数  volumetric efficiency
127 过量空气系数  coefficient of excess air
128 适应性系数  adaptive coefficient
129 扭矩适应性系数  coefficient of torque adaptibility
130 转速适应性系数    speed adaptive coefficient
131 强化系数 coefficient of intensification
132 校正系数  correction factor
133 换算系数  conversion factor
134 活塞平均速度  mean piston speed
135 发动机转速  engine speed (rotational frequency)
136 充量(进气) charge
137 旋转方向 direction of rotation