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Distributed fuel injection equipment

A technology for a fuel injection device and a fuel injector, which is applied in the directions of a fuel injection device, a fuel injection device with an oil accumulator, a charging system, etc., can solve the problems of complicated track layout and the like

Active Publication Date: 2016-06-08
DELPHI TECH IP LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The rail is a larger component and recent engine layout optimizations have made the rail layout more complex

Method used

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  • Distributed fuel injection equipment
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Examples

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Embodiment Construction

[0020] In the following description, similar elements will be assigned the same reference numerals.

[0021] The internal combustion engine 10 is provided with a high-pressure fuel injection device (FIE) 12.

[0022] Refer now Figure 1 to Figure 5 Describe the construction of five alternatives of FIE12.

[0023] The first structure of FIE12 is as figure 1 Shown. The FIT 12 includes a single high-pressure pump 14, six injectors 16, and a pressure regulator 17 not shown in the drawings. The regulator 17 includes a pressure sensor and a pressure valve that can be opened to redirect the high-pressure fuel toward the low-pressure storage tank. Each injector 16 is directly connected to the pump 14 through a connecting pipe 18, and the pump 14 makes high-pressure fuel flow toward each injector 16 during operation. All FIE 12 examples have six injectors 16, but the teachings of the present invention can be directly applied to engines 10 with another number of injectors 16, such as four, f...

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PUM

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Abstract

Fuel injection equipment (12) comprising a high pressure fuel source (14) able to flow high pressure fuel via connecting pipes (18) to a plurality of injectors (16). The FIE (12) is high pressure fuel reservoir-less, a distributed storage for high pressure fuel being arranged in the pipes and in the injectors.

Description

Technical field [0001] The invention relates to a small rail high-pressure fuel device with distributed fuel storage bins. Background technique [0002] High pressure fluid devices usually store high pressure in a common rail before the fuel flows to the injector. This rail is a larger component and the recent optimization of the engine layout has made the rail layout more complicated. [0003] The market needs a device with a smaller rail. Summary of the invention [0004] Accordingly, the object of the present invention is to provide a fuel injection device (FIE) for an internal combustion engine. The device includes a high-pressure fuel source capable of flowing high-pressure fuel to multiple injectors through connected pipes. FIE is a small high-pressure fuel storage, and the storage for high-pressure fuel is arranged in the pipe and the injector. FIE is known as a "common rail" system, and the FIE of this application does not have a "rail". [0005] In the first structure of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02M55/00F02M55/02F02M61/14F02M63/02
CPCF02M63/02F02M55/02F02M2200/40
Inventor M·格雷厄姆A·哈康贝S·H·菲利普斯
Owner DELPHI TECH IP LTD