Arrangement with a fuel distributer and multiple fuel injection valves

一种燃料喷射阀、燃料分配器的技术，应用在具有降低噪音措施的燃料喷射装置、燃料喷射装置、特殊燃料喷射装置等方向，能够解决侵入车辆等问题，达到有效阻尼、减小噪声发射、均匀加载的效果

Active Publication Date: 2014-12-24
ROBERT BOSCH GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This disturbing noise may even intrude into the interior of the vehicle

Method used

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  • Arrangement with a fuel distributer and multiple fuel injection valves
  • Arrangement with a fuel distributer and multiple fuel injection valves
  • Arrangement with a fuel distributer and multiple fuel injection valves

Examples

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Embodiment Construction

[0025] exist figure 1 An arrangement 1 with a fuel distributor 2 and a plurality of fuel injection valves 3 , 4 is shown in . The fuel distributor 2 can in particular be designed as a fuel distribution strip. The fuel distributor 2 is used to store high-pressure fuel and to distribute the fuel to a plurality of fuel injection valves 3 , 4 . In order to simplify the illustration, only two fuel injection valves 3 , 4 are shown in this exemplary embodiment. The number of fuel injection valves 3 , 4 connected to fuel distributor 2 depends on the number of cylinders of the internal combustion engine. The fuel distributor 2 is connected in a suitable manner to a mounting structure 5 , in particular to a cylinder head 5 . The fuel distributor 2 can also be connected via spacer bushes or via other connection elements 6 , 7 . Furthermore, a high-pressure line 8 is provided, which is connected to the fuel distributor 2 . The high-pressure line 8 serves to deliver high-pressure fuel...

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PUM

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Abstract

The invention relates to an arrangement (1) which is used in particular as a fuel injection system for high-pressure fuel injection in internal combustion engines, comprising a fuel distributer (2) and multiple fuel injection valves (3, 4). Each of the fuel injection valves (3, 4) is arranged on a cup (9, 10) of the fuel distributer (2). At least one of the fuel injection valves (3, 4) is secured to the corresponding cup (9) by means of at least one retaining element (30). A bearing surface (19) is provided on the outer face (18) of the cup (9). A supporting surface (17) is provided on the lower face (16) of the cup (9). Furthermore, the retaining element (30) is designed as a retaining bracket (30). A bearing surface (21) is provided on an outer face (20) of the fuel injection valve (3). The retaining bracket (30) engages behind the bearing surface (19) of the cup (9) and behind the bearing surface (21) of the fuel injection valve (3). Furthermore, the retaining bracket (30) urges the fuel injection valve (3) against the supporting surface (17). Composite damping elements (11, 13) are arranged between the fuel injection valve (3) and the supporting surface (17) of the cup (9) and between the bearing surface (21) of the fuel injection valve (3) and the retaining bracket (30). It is thus possible to decouple the fuel injection valves (3, 4) from the fuel distributer (2), whereby noise emissions are reduced.

Description

technical field [0001] The invention relates to a fuel injection device having an arrangement of a fuel distributor and a plurality of fuel injection valves, in particular for high-pressure injection in an internal combustion engine. Background technique [0002] A fuel distribution strip with a plurality of fuel injection valves is known from EP 2 151 572 A2. In order to connect the fuel injectors to the fuel distribution strips, the flanges are placed around the annular groove on the respective fuel injectors, wherein the tongues are formed on the flanges. The injector connection has a cylindrical base body on the fuel distribution strip, into which the upper end of the fuel injection valve engages. The holding clip engages on the cylindrical base body, the grooves in the holding clip interacting with the tongues of the collar. This achieves fastening of the associated fuel injection valves on the fuel distribution strip. [0003] The design known from EP 2 151 572 A2 h...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02M61/14
CPCF02M61/14F02M2200/853F02M2200/855F02M2200/09F02M2200/8023F02M2200/803F02M55/005F02M55/025F02M55/04
Inventor J·珀尔曼M·菲舍尔M·里默M·弗里德里希A·雷瓦尔德M·迈尔D·乌伦布洛克V·卡纳安M·梅斯G·京格尔
Owner ROBERT BOSCH GMBH
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