News & Events

News & Events


Common Rail Diesel Engine Electronic Fuel Injection Technology

With the world engineering machinery, transport vehicles, such as the increase in the number of diesel engine exhaust emissions on the Earth's environment has become the main cause of pollution, how to take measures to protect human life the Earth's environment has been a priority. China from the 1980s formulated the relevant standards, environmental protection as a major task.



Cummins PT fuel injection system attendant adjustment

Diesel engines should reach operating temperature; oil temperature should reach 74 above; injector parts numbers should be correct; flow should be in line with requirements; injector valve in accordance with the regulations and adjust better to throttle linkage transferred to the control of the whole open position (when the throttle to relax, before encountered throttle adjustment screw). Then will be installed to speed table PT fuel pump driveshafts time connecting devices.



EFI system of injector

EFI gasoline injector device is a key component, which controls the ultimate jet fuel, if a problem, the engine work will be normal or not immediately stop working.



On the domestic fuel pump test rig development trend

Fuel pump fuel pump as a test bed debugging test equipment, fuel pump in the manufacture and maintenance play an important role. In recent years, with the increasingly widespread application of diesel engines, pumps oil Tsui technology improvements, maintenance and fuel pump manufacturer on the fuel pump test rig industry the technical requirements of increasingly high, which few domestic manufacturers of the test rig also have to move closer to the world's advanced technologies.



Leaking fuel pump, the selection of location and control measures

Fuel pump diesel engine is the "heart", and its role is to establish high-pressure diesel, and the work order and in accordance with the engine load variation, time, and quantity to be supplied to the diesel fuel pump, injected into the combustion chamber. Once an internal fuel pump leak, and even high-pressure and low Enveloper Oil Oil-linked, will start a diesel engine difficulties, unable to work, unable to operate normally. At the same time leaked diesel oil into the lubricants, so that lubricants diluted. Metamorphism, leading to an increased mechanical wear.


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