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gai shan 485 chai you ji qi dong xing neng de yi zhong jian bian fang fa
Author(s): 
Pages: 33
Year: Issue:  4
Journal: Farm Machinery

Keyword:  柴油机起动起动性能冷却水套喷孔热量损失压缩冲程供油提前角接触面积锥形钻气缸盖;
Abstract: <正>1976年前生产的丰收—35拖拉机的配套动力485柴油机,它采用慧星 V 型涡流燃烧室(图1A)。这种燃烧室的主要缺点是:由于它与冷却水套接触面积较大,热量损失较多,油耗大,起动比较困难。它配带有辅助喷孔的218J106型轴针式喷油嘴,由于这种喷油嘴在使用中辅助喷孔容易阻塞,也常影响柴油机起动性能。特别当218J106喷油嘴损坏,市场供应不足时,用ZS4S1型单喷孔喷油嘴代用后,起动性能就更差。如果仿485A 型柴
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