Component unit for a fuel system of an internal combustion engine and internal combustion engine

A technology for structural units and fuel systems, which is applied to charging systems, engine components, fuel injection devices, etc., can solve problems such as injectors no longer work, increase difficulty, and stress, and achieve the effect of avoiding leakage

Inactive Publication Date: 2011-05-04
GM GLOBAL TECH OPERATIONS LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, intense heating occurs due to welding, which changes the shape and/or mutual position of the parts to an undesired extent
This deformation of the components complicates the installation of the injector into the cylinder head which allows only

Method used

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  • Component unit for a fuel system of an internal combustion engine and internal combustion engine
  • Component unit for a fuel system of an internal combustion engine and internal combustion engine
  • Component unit for a fuel system of an internal combustion engine and internal combustion engine

Examples

Experimental program
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Example Embodiment

[0035] figure 1 The schematic diagram shows a structural unit 100 for a fuel system of an internal combustion engine, in particular a direct injection internal combustion engine. The structural unit 100 is pre-assembled as a module and preferably tested for tightness. Therefore, the structural unit 100 as a prepared module is ready for final installation on an internal combustion engine (not shown).

[0036] The structural unit 100 has four fuel-injecting injectors 1, which are respectively held by a bracket 2. Here, the number of injectors is related to the structure of the internal combustion engine. Therefore, structural units with one, two, three or even more than four injectors are also conceivable.

[0037] The structural unit 100 also has a fuel pipe 3, each of which is connected with the bracket 2 at one end and connected with the fuel distributor 4 at the other end. The fuel pipe 4 is preferably inserted into the associated holder 2 with a friction fit, so that the fuel...

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PUM

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Abstract

The present invention relates to a component units (100, 100') for a fuel system of an internal combustion engine, in particular for use in an internal combustion engine having direct injection, having at least one injector (1) which injects fuel, and/or at least one mounting (2), on which at least one injector (1), which injects fuel, is fixable, and having at least one fuel line (3), using which the injector (1) or the mounting (2) is connectable to a fuel distributor (4). It is provided that the injector (1) or the mounting (2) is connected to the fuel line (3) using a plug connection (9). Furthermore, at least one positioning aid is provided, which holds the injector (1) or the mounting (2) in a specified location.

Description

technical field [0001] The invention relates to a fuel system for an internal combustion engine, in particular a structural unit for use in a direct-injection internal combustion engine, with at least one fuel-injecting injector and / or at least one carrier, said at least one fuel-injecting injector It can be fastened to the support and has at least one fuel line by means of which the injector or the support can be connected to the fuel distributor. The invention also relates to an internal combustion engine, in particular for a motor vehicle. Background technique [0002] A structural unit of the type described here usually consists of a plurality of injection valves or injectors for injecting fuel into the combustion chamber of an internal combustion engine or at least consists of a carrier for the injectors and a fuel line by means of which the The injectors are connected with fuel distributors, for example of the distributor pipe type. [0003] Such structural units are...

Claims

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Application Information

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IPC IPC(8): F02M55/02F02M61/14
CPCF02M55/025F02M61/14F02M69/045F02M2200/852F02M2200/855F02M2200/856
Inventor 斯蒂芬·施赖纳迈克尔·布鲁迪阿诺·诺埃
Owner GM GLOBAL TECH OPERATIONS LLC
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