Turbocharger
涡轮增压器的涡轮侧安装在排气歧管上。 涡轮增压器的压缩机侧通过管道连接到后冷器壳体。
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图 1 | g00764827 |
涡轮增压器(典型示例) (1) 压缩机叶轮 (2) 轴承 (3) 机油进口 (4) 轴承 (5) 涡轮叶轮 (6) 排气出口 (7) 进气口 (8) 机油出口 (9) 排气进口 |
排气流入涡轮机壳体的排气进口 (9) 。 废气推动涡轮机叶轮 (5) 的叶片。 涡轮机叶轮和压缩机叶轮转速达到 90,000 rpm。
来自空气滤清器的清洁空气通过压气机叶轮 (1) 的旋转作用抽进压缩机壳体空气进气口 (7) 。 压气机叶轮叶片的旋转作用使进气压缩。 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会控制涡轮增压器的最大转速。
涡轮增压器中的轴承 (2) 和轴承 (4) 使用发动机机油进行压力润滑。 机油经由进油管被输送到顶部的进油口 (3) 。 然后发动机机油经由中段内的油道对轴承进行润滑。 发动机机油从底部的机油出口 (8) 流出。 然后发动机机油通过排油管流回到发动机缸体内。
Caterpillar Information System:
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3054, 3054B and 3056 Marine Engines Piston and Rings
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2000/12/01 A New ADEM 2000 ECM is Now Available {1901}
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2001/02/01 A New Fuel Transfer Pump is Now Available for 3054 Engines {1256}
3054 Engine Cylinder Block - Inspect
3054, 3054B and 3056 Marine Engines Air Inlet Heater - Test
2001/01/15 Improvements to Caterpillar's Gasket Kits for Engines {7555}
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