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fuel pump

A fuel pump and fuel injection system technology, applied in the direction of fuel injection pumps, fuel injection devices, liquid fuel engines, etc.

Active Publication Date: 2022-05-17
ROBERT BOSCH GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The problem on which the invention is based is solved by a fuel pump

Method used

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Embodiment Construction

[0041] The fuel pump is generally figure 1 with reference numeral 10 in it. The fuel pump is currently a piston high-pressure fuel pump for a fuel injection system of an internal combustion engine, which compresses gasoline to a high pressure and delivers it to the injection system of the internal combustion engine. In principle, however, it is also possible for the fuel pump to be a fuel pump which compresses and delivers diesel to the corresponding injection system of the internal combustion engine.

[0042] The fuel pump 10 includes a pump housing 12 which generally has a cylindrical configuration with a longitudinal axis 14 . exist figure 1 Only the region of fuel pump 10 lying to the left of longitudinal axis 14 is shown in FIG. A fastening section 16 is fastened to the pump housing 12 . especially by image 3 It is known that the fastening section 16 is designed as a flange and has a central opening 18 by means of which the fastening section 16 is fastened to the pu...

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Abstract

The invention relates to a fuel pump for a fuel injection system of an internal combustion engine, comprising a pump housing and a fastening section (16) present on the pump housing for fastening the fuel pump to a base, in particular an engine block , wherein the fixing section (16) has a through-opening (22) for receiving a holding element for fixing means, especially a screw, characterized in that at least in the installed position of the through-opening (22) the end facing the base Radially inwardly directed projections ( 32 ) are present in the region of the top ( 30 ).

Description

technical field [0001] The invention relates to a fuel injection system for an internal combustion engine. Background technique [0002] Such a fuel pump is known from DE 10 2005 007 806 A1. The fuel pump comprises a pump housing and a fastening section in the form of a fastening flange. The fastening section is fastened to the pump housing and has 2 through-openings, into which a screw can each be inserted. The fuel pump can be fastened to a base, for example a cylinder head of an internal combustion engine, by means of the screw. Contents of the invention [0003] The problem underlying the invention is solved by a fuel pump. Advantageous refinements of the invention are given below. Furthermore, the features essential to the invention are present in the following description and drawings. These features can be essential to the invention not only individually but also in any desired combination. [0004] According to the invention, a fuel pump for a fuel injection ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F02M59/48F04B53/22F16B41/00
CPCF02M59/48F04B53/22F16B41/002F02M2200/855F04B53/16F16B4/004
Inventor J·塞弗特J·莱斯特尔特S·布吕克尔C·丁费尔德
Owner ROBERT BOSCH GMBH