Turbocharger
中置式
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| 图 1 | g01192313 |
涡轮增压器（典型示例） (1) 涡轮增压器 (2) 排油管 (3) 供油管 | |
在发动机的上端安装了四个涡轮增压器 (1) 。 这些涡轮增压器位于发动机中间V字形部分的两侧。 每一个涡轮增压器的涡轮机侧都安装到与该涡轮增压器相应的排气歧管上。 每一个涡轮增压器的压气机侧都通过管道与后冷器壳体的上端相连接。
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| 图 2 | g01192286 |
涡轮增压器（典型示例） (4) 压缩机叶轮 (5) 轴承 (6) 机油进口 (7) 涡轮叶轮 (8) 轴承 (9) 出油口 | |
排气流入涡轮机壳体的排气进口。 排气继而推动涡轮机叶轮 (8) 的叶片。
来自空气滤清器的清洁空气由于压缩机叶轮 (4) 的旋转作用被吸入压缩机壳体的进气口。 压缩机叶轮叶片压缩进气。 压缩可使发动机发出更大功率，这是因为压缩使得发动机能够以更高的效率燃烧更多的燃油。
涡轮增压器的最大转速受控于发动机输油量的电子控制。 发动机运转时所处的海拔高度也将控制涡轮增压器的最大转速。
涡轮增压器中的轴承 (5) 和轴承 (7) 使用发动机机油进行压力润滑。 机油经由进油管被输送到上部的进油口 (6) 。 机油继而经由中段内的油道润滑轴承。 机油从底部的出油口 (9) 流出。 此机油然后通过排油管 (2) 流回到缸体内。
Caterpillar Information System:
2008/08/01 The Intake Valve Actuator Response Test Is Updated {1130}
3512C Engine for 785D Off-Highway Truck/Tractors Turbocharger Exhaust Temperature Sensor
C32 Petroleum Generator Sets Generator Bearing - Inspect
3512B Generator Set Engine Thermocouple
320 Variable Gauge OEM Undercarriage Machine System Specifications Travel Motor Lines
G3412C, G3508, G3512 and G3516 Engines Status Control Module Engine Cranks but Does Not Start
G3412C, G3508, G3512 and G3516 Engines Status Control Module Symptom Troubleshooting
G3412C, G3508, G3512 and G3516 Engines Status Control Module Service Tools
G3412C, G3508, G3512 and G3516 Engines Status Control Module General Information
Specifications for Inspection of Driveline Fasteners {3030, 3101, 3159, 3253, 3258, 3278, 4050} Specifications for Inspection of Driveline Fasteners {3030, 3101, 3159, 3253, 3258, 3278, 4050}
3512B Generator Set Engine Pressure Transducer
3512B Generator Set Engine Pressure Contactor
2009/09/07 An Improved Exhaust Seal for the Exhaust Bypass Is Used {1057}
2008/07/21 Guidelines for the Replacement of Fuel Injectors {1251, 1290}
New Secondary Fuel Filter{1261} New Secondary Fuel Filter{1261}
2008/09/01 Improved Exhaust Bellows and Exhaust Bellows Seals Are Used {1059}
2008/08/01 A New Injector Harness and Valve Cover Base are Used {1120, 1408, 1900}
2008/09/08 An Improved Lifter Assembly Is Available for C280 and 3600 Engines That Operate in Low Load Applications {1209, 1210}
2008/09/01 Procedure to Clean the Oil Passage in the Exhaust Rocker Arm {1123}
G3412C, G3508, G3512 and G3516 Engines Status Control Module Engine Does Not Crank
2008/07/28 A New Camshaft Journal Is Available for Use when the Former Camshaft Segment with the Thin Flange Is Replacedby a Current Camshaft Segment with a Thick Flange {1210}
3500B Engines and 776D, 777D, 784C, 785C, 789C, 793C and 793D Off-Highway Truck/Tractors Crankcase Breather
3500 Engines Crankcase Breather
3500B Locomotive Engines Air Inlet and Exhaust Lines