卡特彼勒CAT柴油發(fā)動(dòng)機(jī)進(jìn)、排氣系統(tǒng)修理技術(shù)

Caterpillar repair technology of CAT diesel engine fuel system

卡特彼勒CAT柴油發(fā)動(dòng)機(jī)進(jìn)、排氣系統(tǒng)的組成件控制燃燒所需要的空氣質(zhì)量和數(shù)量?？ㄌ乇死詹裼蜋C(jī)每邊均有一個(gè)單獨(dú)的增壓器和一根排氣支管，卡特彼勒CAT柴油發(fā)動(dòng)機(jī)中冷器裝在卡特彼勒柴油機(jī)中心的缸頭之間，進(jìn)氣支管為一列彎頭，連接中冷器通到缸頭進(jìn)口，兩根凸輪軸，分開(kāi)裝在機(jī)體兩邊，控制伐系統(tǒng)成件的運(yùn)動(dòng)。

Caterpillar CAT diesel engine inlet, exhaust system components to control the air quality and quantity of burning need. Caterpillar diesel every edge has a separate booster and an exhaust pipe, Caterpillar between CAT diesel engine intercooler installed in the Caterpillar diesel center cylinder head, intake manifold for a connected elbows, intercooler to the cylinder head of imports, the two camshafts, separately arranged on both sides of the body, control system into the motion.

卡特彼勒柴油機(jī)兩邊的空氣流動(dòng)是一樣的，壓氣機(jī)(５)通過(guò)空氣進(jìn)口(４)吸收流過(guò)空氣過(guò)濾器的新鮮空氣，壓氣機(jī)旋轉(zhuǎn)壓縮空氣，迫使空氣通過(guò)管道流到中冷器，中冷器降低壓縮空氣的溫度，隨后進(jìn)氣每缸的進(jìn)氣室，每個(gè)氣缸都充入壓縮冷卻空氣，進(jìn)氣門(mén)控制空氣從進(jìn)氣室流入氣缸內(nèi)。

The air flow Caterpillar diesel engine on both sides are the same, the compressor (5) through the air inlet (4) absorption through the air filter air compressor rotating, compressed air, forcing the air flow into the cooler through the pipeline, the temperature of the compressed air is reduced in the cold, then the intake of each cylinder of the intake chamber, each cylinder filling compressed air cooling, the intake valve control air from the air inlet chamber into the cylinder.

每缸有兩個(gè)進(jìn)氣門(mén)和兩個(gè)排氣門(mén)，請(qǐng)參考“伐系統(tǒng)零件”。進(jìn)氣沖程活塞向下運(yùn)動(dòng)，進(jìn)氣門(mén)打開(kāi)，冷卻壓縮空氣從進(jìn)氣室吸入缸內(nèi)。在壓縮沖程，活塞開(kāi)始向上運(yùn)動(dòng)，進(jìn)氣門(mén)關(guān)閉。當(dāng)活塞接近壓縮沖程上死點(diǎn)時(shí)，燃油噴入氣缸，燃油與空氣混合開(kāi)始燃燒。在工作沖程，燃燒力推動(dòng)活塞向下運(yùn)動(dòng)。當(dāng)活塞又向上運(yùn)動(dòng)時(shí)，進(jìn)入了排氣沖程，排氣門(mén)打開(kāi)，排氣通過(guò)排氣口進(jìn)入排氣支管(１)，活塞完成排氣沖程后，排氣門(mén)關(guān)閉，循環(huán)(進(jìn)、壓、做功、排)又重新開(kāi)始。

Each cylinder has two inlet valves and two exhaust valves, please refer to the "cutting system parts". The intake stroke the downward movement of the piston, intake valve open, compressed air from the intake chamber cooling suction cylinder. In the compression stroke, the piston begins to move upward, the intake valve closes. When the piston is close to the top dead center of compression stroke, the fuel injected into the cylinder, fuel mixing with air to burn. In the working stroke, combustion force to push the piston downwards. When the piston moves upward, into the exhaust stroke, the exhaust valve opens, the exhaust through the exhaust port into the exhaust pipe (1), the piston completes the exhaust stroke, the exhaust valve closed, circular (inlet, pressure, power, row) and start.

來(lái)自排氣支管的廢氣進(jìn)入增壓器(８)的透平，使透平(６)轉(zhuǎn)動(dòng)，透平與壓氣機(jī)同軸連接，這樣就驅(qū)動(dòng)壓氣機(jī)(５)轉(zhuǎn)動(dòng)，然后，廢氣離開(kāi)排氣口(７)通到排氣彎管(９)。

Exhaust gas from the exhaust pipe into the supercharger (8) of the turbine, the turbine (6) is connected with the compressor turbine rotating, coaxial, so as to drive the compressor (5) to rotate, and then, the exhaust gas from exhaust (7) into the exhaust pipe (9).