| 1. | In our country on - using automobiles have a high emission and pollute the air seriously
我国在用车尾气排放较高，对空气污染严重，大多数在用车是化油器式发动机。 |
| 2. | Of high speed four - stroke turbocharging or getter - ion style engine where oils of performance up to api sf cd are recommended
适用于要求使用api sf cd规格油品的普通化油器式汽油发动机和高速四冲程涡轮增压或自然吸气式柴油发动机。 |
| 3. | Suitable for demanding to use generalizing oil device type four stroke turbine pressurization of gasoline engine and high speed or the breathing in type diesel engine naturally of specification oil of api sf cd
用途适用于要求使用api sf cd规格油品的普通化油器式汽油发动机和高速四冲程涡轮增压或自然吸气式柴油发动机。 |
| 4. | Suitable for demanding to use the lubrication of generalizing the oil device type engine which is equipped with the crankcase ventilating device and recycling device of the waste gas of the specification oil of api se cd
用途适用于要求使用api se cc规格油品的装有正压曲轴箱通风装置及废气再循环装置的普通化油器式发动机的润滑。 |
| 5. | In order to develop a kind of control system of lpg single - fuel engine , which must be economic and practicable , as well on the safe side , njst and nanjing yuejin engine lmd . cooperate to design and develop the engine control system applying to njg427a5 engine
为了开发一种经济实用、安全可靠的lpg燃料发动机控制系统，南京理工大学与南京跃进发动机有限公司进行合作，针对njg427a5化油器式发动机进行lpg单燃料发动机控制系统的设计与开发。 |
| 6. | The result from the theorys and the experiments show that , compared with the carburetor engine , the electronic fuel injection wj1e68fm2 gasoline engine has obviously improve on the fuel economy and exhaust emission . standard . there will make a solid foundation for the survival and development of the wj1e68fm2 gasoline engine
试验结果表明，电喷wj1e68fm _ 2型汽油机与化油器式汽油机相比，在燃油经济性和排放指标两方面都有明显的改善。为wj1e68fm _ 2型汽油机的继续生存和发展奠定了基础。 |
| 7. | At the same time , we improved a two - stroke fueled engine 1e40fm into the one also using the direct injection of liquid petrol gas . the electronic control system is developed whose core is m68hc11 single - chip computer which is produced by motorola ltd . , and matched by other electronically - controlled circuits
开发了以motorola公司生产的8位增强单片机m68hc11为核心，配以相应的外部电路构成摩托车发动机单片机控制系统，并以一台二冲程1e40fm型化油器式汽油机为对象，将其改造为汽油、电控气体喷射两用发动机。 |
| 8. | The factors that have effect on the car ' s emission such as cleaning inside engine , size of three - way catalytic converter and leakage of exhaust system etc have been tested and analyzed , and some related parameters are determined . in order to ensure that the emission meets the requirements of the euro ii standard at one time , to pass the examination of 80000km durability , and to achieve excellent performance indicator while assuring the emission requirements , the design of intake manifold and camshaft profile is optimized , the test of engine performance and car ' s emission and environment performance have been conducted . through comparison by test , it is shown that the carburetor engine after retrofitting to electronic fuel injection engine has achieved good level in terms of emission and performance , and has been upgraded to the same level as the engine of japan mitsubishi and suzuki
为了满足国家环保法规不断提高的要求，本文对化油器式发动机改造成电控燃油喷射式发动机进行了研究与开发；确定了工程方案和开发目标；对机内净化、三元催化器体积、排气系统漏气等对整车排放的影响进行了试验和分析，确定了相关参数；为了确保对整车排放的影响进行了试验和分析，确定了相关参数；为了确保排放一次通过欧标准，并完成8万公里耐久性考核，在确保排放的同时达到良好的性能指标，对进气歧管、凸轮轴型面的设计进行了优化；并进行了发动机性能测试，整车排入测试和环境性能测试。 |
| 9. | ( 5 ) " electronic controlled bypassing air + three - way catalytic converter " system used for carburetor petrol engine which " is capable of setting up working condition for three - way catalytic converter and can solve the contradiction between emission control ( controlling hc , co , nox at same time ) and power , torque , fuel consumption having been put forward
( 5 )建立了针对化油器式车辆的“电控补气+三效催化转化器”系统，通过采用双回路电控补气可以为三效催化转化器建立良好的工作条件，较好的解决了化油器式汽油机动力性、排放(同时降低hc 、 co和nox )之间的矛盾。 |
| 10. | Aimed at the status that the market occupancy ratio of the carburetor engine is still upper , and associated with the related laws in our country , it is necessary to refit the carburetor engine into the single - fuel engine of lpg . it can be helpful to make full use of the recent resource of the carburetor engine , and to prolong life , and to lower huge unwanted waste
针对我国传统化油器式发动机的市场占有率仍较高的现状，并结合我国有关的规定，有必要对化油器式发动机进行lpg燃料发动机的改装，以充分利用现有化油器式发动机资源，延长其使用寿命，降低不必要的巨大浪费。 |
