Oil injector oil-return device matched with diesel engine
A fuel injector and diesel engine technology, applied in fuel injection devices, machines/engines, charging systems, etc., can solve problems such as complex cylinder head structure design, high fuel consumption of diesel engines, and poor performance of the main engine, and achieve good promotion and application value. The effect of reducing operating costs and simplifying structural design
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[0009] Specific embodiments of the present invention will be described below in conjunction with the accompanying drawings.
[0010] refer to figure 1 , the cylinder head 5 of the diesel engine is provided with a horizontal high-pressure oil connection installation hole G and a vertical fuel injector installation hole D, the fuel injector 6 is installed in the fuel injector installation hole D, the lower section is equipped with a copper sleeve 7, and the bottom is equipped with a copper sleeve Gasket 8, O-ring sealing ring 3 is embedded in the sealing groove C of the upper part of the fuel injector 6, and the sealing ring 3 is set outside the copper sleeve 7, and the radial sealing groove opened on the inner wall of the fuel injector installation hole D of the cylinder head 5 is embedded C. The high-pressure oil connecting pipe 4 is installed horizontally in the installation hole G of the high-pressure oil connecting pipe, and the front end is connected with the oil inlet ho...
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