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Centrally installed structure of diesel engine fuel filter

A technology of fuel filter and diesel engine, which is applied in the direction of engine components, machines/engines, mechanical equipment, etc. It can solve the problems such as the difficulty in arranging the control flexible shaft of narrow-body vehicles, and achieve the improvement of appearance quality, improvement of jitter problems, and vibration amplitude small effect

Inactive Publication Date: 2014-07-30
东风朝阳朝柴动力有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For this reason, the present invention proposes a new layout structure of the fuel filter, which can solve the problems such as the difficulty in the layout of the control flexible shaft of narrow-body vehicles.

Method used

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  • Centrally installed structure of diesel engine fuel filter

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Embodiment Construction

[0008] The structure of the present invention will be further described below in conjunction with the accompanying drawings and through embodiments. Diesel engine fuel filter center structure, including: diesel engine cylinder block, oil cooler, filter oil return pipe assembly, fuel filter, filter oil inlet pipe assembly, fuel injection pump inlet pipe and fuel injection pump, etc. Its structure is: the oil cooler 2 is fixed on the side of the diesel engine cylinder block 1, the flange surface for installing the fuel filter is cast on the oil cooler cover, and the fuel filter 4 with the mounting flange is fixed on the oil cooler on the outer cover. The oil return pipe assembly 3 of the fuel filter and the oil inlet pipe assembly 5 of the fuel filter are connected to the fuel injection pump 7 respectively, and the fuel injection pump is located at the front end of the diesel engine. One end of the oil inlet pipe 6 of the fuel injection pump is connected with the fuel filter; t...

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Abstract

The invention discloses a centrally installed structure of a diesel engine fuel filter. The technical scheme is as follows: an engine oil cooler is fixedly arranged at the side of a diesel engine cylinder body, and an engine oil cooler cover is cast with a flange surface for installing the fuel filter; the fuel filter with a mounting flange is fixedly arranged on an outer cover of the engine oil cooler. An oil return pipe assembly of the fuel filter and an oil inlet pipe assembly of the fuel filter are respectively connected with an injection pump. The injection pump is positioned at the front end of the diesel engine, and one end of an injection pump oil inlet pipe is connected with the fuel filter; the other end of the injection pump oil inlet pipe is connected with the injection pump. With the structure, the control flexible axle of a vehicle is conveniently arranged, and meanwhile, the length of a fuel pipeline is shortened by about one third. Because the fuel filter is directly arranged on the engine oil cooler cover without a cantilever beam, the contact areas of two joint surfaces are large, the vibration amplitude is small, the shaking problem of the fuel filter is significantly improved, and the centrally installed structure is suitable for assembly systems of a plurality of diesel engine fuel filters.

Description

technical field [0001] The invention belongs to engine parts, in particular to an assembly structure of a diesel engine fuel filter. Background technique [0002] At present, in the assembly design of diesel engine components, fuel filters are basically arranged at the rear end of the side of the cylinder head, or on the upper side of the intake pipe, etc., which are relatively high relative to the engine. However, when matching on narrow-body and small-tonnage vehicles, the fuel filter is installed on the outside and at a higher position, which makes it difficult to arrange the control flexible shaft of the gearbox, and the flexible shaft cable often interferes with the problem. The fuel filter is arranged high and the fuel pipeline is relatively long. Because the long pipeline is not fixed well, the engine will vibrate for a long time and there will be a risk of cracking. Therefore, the best assembly solution is to move the position of the fuel filter to the middle of the...

Claims

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Application Information

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IPC IPC(8): F02M37/22
Inventor 霍俊兰张宏辉苑朝辉汪自强张存云
Owner 东风朝阳朝柴动力有限公司
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