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Reasons for Reverse Blowby in the Intake Pipe of Diesel Generators

Jan. 03, 2024

The intake pipe of a diesel generator refers to the gas required for combustion in the diesel generator set, which is introduced into the internal air pipe of the unit. The intake pipe must ensure sufficient flow area, avoid turning and sudden changes in cross-section, improve the smoothness of the pipeline surface, etc., to reduce resistance.


diesel engine generator


The intake pipe is one of the most distinctive structural components between electronic fuel injection diesel engines and carburetor engines. Due to the fact that only air flows through the intake pipe of an electronic fuel injection diesel engine, the dynamic effects (inertia and fluctuation effects) of the intake pipe should be fully considered in the design of the intake pipe structure to improve inflation efficiency. In addition, intake uniformity should also be considered. The purpose of the intake pipe of a diesel generator is to deliver clean air to the cylinder, therefore, under normal circumstances, there will be no blowing or smoking phenomenon.


If there is blowby or smoke in the intake pipe of a diesel generator, it is mainly caused by the following factors:


1. The intake valve is not tightly sealed, and there is burning or falling of the valve head.


2. Loose or burnt intake valve seat ring.


3. Cracks may appear between the cylinder head exhaust duct and the intake duct.


4. The valve clearance of the intake valve is incorrect or the elasticity of the valve spring is insufficient.


5. Improper adjustment of the single cylinder engine caused the diesel generator to reverse.


Dingbo Warm Reminder: If there is gas leakage in the intake pipe of a diesel generator, it should be stopped for inspection first. Before identifying the cause and troubleshooting, try not to let the diesel engine work under load as much as possible to avoid larger faults.


Guangxi Dingbo Power Equipment Manufacturing Co.,Ltd has been established for many years. In addition to strict requirements on the quality of diesel generator set products and after-sales service, it also has strict regulations on the plant environment, production equipment and supporting facilities, which reflects the strict style of Dingbo people. It is not only responsible for generator products, customers, but also employees, so that every employee of Dingbo Power generation equipment can work in a comfortable environment, Make it comfortable for every visiting customer to visit. Dingbo Power Group, relying on high-quality generators, generator sets, diesel generator, diesel generator sets, good services and the care of friends from all walks of life, carries forward the enterprise spirit of "pragmatic innovation, pioneering, unity and hard work, dare to be the first", and adheres to the enterprise style of "treating people with sincerity and heart to heart", has won the strong support of customers in the fields of post and telecommunications, finance, petrochemical, metallurgy, transportation, education, medical care, etc, Having a proud performance. Dingbo people are gradually moving towards economies of scale and entering the international market after joining the WTO with flexible sales strategies and relying on the company's advantages and strength. If you would like to get more information welcome to contact us via sales@dieselgeneratortech.com.

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