Fuel oil high-pressure supply system in which upper balance shaft and oil delivery pump are inserted
A technology of supply system and fuel transfer pump, which is applied to the charging system, liquid fuel feeder, engine components, etc., can solve the problem that the fuel input pressure cannot meet the working requirements of the high-pressure common rail fuel system, etc., so as to ensure the fuel supply pressure, The effect of reducing intermediate links, reducing energy consumption and production costs
Pending Publication Date: 2018-12-18
JIANGSU NONGHUA WISDOM AGRICULTURAL SCIENCE AND TECHNOLOGY CO LTD +1
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Problems solved by technology
[0003] The high-pressure common rail fuel system is different from the original mechanical pump fuel system and the electronically controlled unit pump fuel system. The ordinary fuel input pressure cannot meet the working requirements of the high-pressure common rail fuel system. It is urgent to develop a fuel delivery booster device and a fuel delivery booster device. The drive structure can reduce the cost on the basis of meeting the oil pressure requirements
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[0015] The following will clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0016] see figure 1 , the embodiment of the present invention includes:
[0017] A high-pressure fuel supply system in which an upper balance shaft is plugged into a fuel delivery pump, comprising: an upper balance shaft 1, a gear chamber cover 4, an oil inlet pipe assembly 5, an oil outlet pipe assembly 6 and a fuel delivery pump 7, the oil inlet pipe assembly 5 Connected with the oil inlet of the fuel delivery pump 7, the fuel inlet pipe assembly 5 is externally connected to the fuel tank to absorb diesel oil, the...
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The invention discloses a fuel oil high-pressure supply system in which an upper balance shaft and an oil delivery pump are inserted. The system comprises the upper balance shaft, a gear chamber cover, an oil inflow pipe assembly, an oil outflow pipe assembly and the oil delivery pump. The oil inflow pipe assembly is connected with an oil inlet of the oil delivery pump, an oil delivery pump mounting platform is arranged on the outer side of the gear chamber cover, a through hole is formed in the oil delivery pump mounting platform, the upper balance shaft is located on the inner side of the gear chamber cover and points to the through hole, the oil delivery pump is arranged on the oil delivery pump mounting platform and fixed through a bolt, a rotary shaft of the oil delivery pump penetrates through the through hole and stretches to the end of the upper balance shaft, and the end of the upper balance shaft is recessed inwards to be provided with an insertion groove corresponding to therotary shaft. In this way, according to the fuel oil high-pressure supply system in which the upper balance shaft and the oil delivery pump are inserted, the energy consumption and the production cost are reduced while the oil supply pressure of the oil delivery pump is guaranteed, and it is guaranteed that an enough amount of diesel oil is conveyed to an oil injection pump from a fuel oil tank.
Description
technical field [0001] The invention relates to the technical field of diesel engines, in particular to a high-pressure fuel supply system in which an upper balance shaft is plugged into a fuel delivery pump. Background technique [0002] Multi-cylinder diesel engines are widely used in various transport vehicles with large displacement. If the emission standard is low, it will have a great impact on air quality. Therefore, the country has high emission requirements for multi-cylinder diesel engines, and the technology is constantly improving. However, the cost of single-cylinder diesel engines Low, some single-cylinder diesel engines are not installed on vehicles, supervision is difficult, little progress has been made over the years, and pollution is large. In order to actively respond to the country's blue sky defense war and make the single-cylinder diesel engine meet the non-road National IV standard, it is urgent to upgrade the single-cylinder diesel engine. After sev...
Claims
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IPC IPC(8): F02M37/06
CPCF02M37/06
Inventor 朱正方潘军如
Owner JIANGSU NONGHUA WISDOM AGRICULTURAL SCIENCE AND TECHNOLOGY CO LTD