Low-speed machine integral common rail

An integral, low-speed machine technology, applied to mechanical equipment, engine components, machines/engines, etc., can solve problems such as large pressure fluctuations in common rail pipes

Pending Publication Date: 2020-02-07
CHONGQING HONGJIANG MACHINERY
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] However, the problem of the existing technology is that the common rail pipe is set as a split type in the prior art, and the multiple common rail pipes of the split type are respectively processed and conne

Method used

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  • Low-speed machine integral common rail
  • Low-speed machine integral common rail
  • Low-speed machine integral common rail

Examples

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Example Embodiment

[0101] Hereinafter, exemplary embodiments of the present invention will be described in more detail with reference to the accompanying drawings. Although exemplary embodiments of the present invention are shown in the drawings, it should be understood that the present invention can be implemented in various forms and should not be limited by the embodiments set forth herein. On the contrary, these embodiments are provided to enable a more thorough understanding of the present invention and to fully convey the scope of the present invention to those skilled in the art.

[0102] Reference Figure 1 to Figure 3 , The integral common rail of the low-speed engine of the present invention is suitable for working at a temperature of 200°C and a pressure of 150 MPa, and has the functions of low-pressure circulation, pressure limiting and pressure maintaining. The common rail is applied to low-speed marine engines. It mainly includes common rail pipe 1, at least two sets of restrictor va...

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Abstract

The invention relates to a low-speed machine integral common rail so as to reduce pressure fluctuation in a common rail pipe. According to the scheme, the common rail pipe, an oil inlet end cover andan end cover are included. The common rail pipe is provided with an oil inlet oil way and an oil return oil way which penetrate through the two ends. The oil inlet end cover is fixedly arranged at oneend of the common rail pipe and provided with an oil inlet communicating with the oil inlet oil way. The end cover is fixedly arranged at the other end of the common rail pipe and provided with an oil outlet communicating with the oil inlet oil way, and a circulation valve is fixed to the end cover. A pressure limiting valve and at least two flow limiting valves are fixed to the common rail pipeand communicate with the oil inlet oil way and the oil return oil way, and the flow limiting valves are each used for being connected with one electric control oil atomizer.

Description

technical field [0001] The invention relates to the field of common rails for ships, in particular to an integrated common rail for low-speed machines. Background technique [0002] The increasingly serious energy crisis has become the focus of attention of the internal combustion engine industry around the world, and it has also made diesel engines more and more popular with users. The common rail injection system refers to a closed-loop system composed of a high-pressure oil pump, a pressure sensor and an ECU. A separate fuel supply method, the high-pressure fuel pump delivers high-pressure fuel to the common rail, and through precise control of the oil pressure of the common rail, the fuel pressure in the rail has nothing to do with the engine speed, which can be greatly reduced The phenomenon that the fuel supply pressure of the diesel engine changes with the engine speed can better ensure the consistency of fuel injection. [0003] However, the problem with the prior a...

Claims

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Application Information

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IPC IPC(8): F02M55/02F02M63/00F02M63/02
CPCF02M55/025F02M63/0014F02M63/0035F02M63/005F02M63/0215F02M63/025F02M2200/315
Inventor 刘惠娥涂天华杜兵张重王永坤郑石兵侯旭洪
Owner CHONGQING HONGJIANG MACHINERY
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