Unlock instant, AI-driven research and patent intelligence for your innovation.

Magnetic assembly and fuel injector with magnetic assembly

A technology of magnetic components and magnetic cores, which is applied in the direction of fuel injection devices, magnets, electromagnets, etc., can solve the problems of the processing cost of the magnetic armature, and achieve the effect of uniform bending stress

Active Publication Date: 2020-01-10
ROBERT BOSCH GMBH
View PDF8 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

A disadvantage here, however, is the additional machining effort of the armature in the region of the end face facing the magnetic core.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Magnetic assembly and fuel injector with magnetic assembly

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0016] The single figure shows a subarea of ​​a fuel injector 100 which is used as part of a so-called common rail injection system for injecting fuel into a combustion chamber, in particular of a self-igniting internal combustion engine.

[0017] The fuel injector 100 has an injector housing 1 in which a magnetic assembly 10 is arranged or accommodated. The magnetic assembly 10 comprises a substantially cylindrical magnetic core 11 which has a radially surrounding annular receiving chamber 13 on an end side 12 for receiving a magnetic coil 15 .

[0018] Furthermore, the magnetic core 11 has a through-opening 17 configured coaxially to the longitudinal axis 16 . The other end side 18 of the magnetic core 11 , which is opposite the end side 12 , is supported axially on the bottom of the holding plate 20 via disk springs 19 .

[0019] The magnetic core 11 is surrounded radially by a magnetic sleeve 25 , which can be fastened axially in the direction of the component 20 by means...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention relates to a magnetic assembly (10) having a magnetic core (11) and a magnetic sleeve (25) receiving the magnetic core and having a magnetic core (11) co-acting along the A magnetic armature (35) arranged longitudinally movable to the longitudinal axis (16) of the magnetic sleeve (25), which is arranged in an end position relative to the magnetic armature (11) of the magnetic core (11) 35) The opposite end faces (33) form a residual air gap (32). It is provided according to the invention that the magnetic sleeve (25) has a retaining section (28) projecting radially in the direction of the longitudinal axis (16) for the shaft of the magnetic core (11) The magnetic core has a spacer section (30) arranged radially overlapping the magnetic armature (35) for adjusting the residual air gap (32).

Description

technical field [0001] The invention relates to a magnetic assembly. Furthermore, the invention relates to a fuel injector using a magnetic assembly. Background technique [0002] A magnetic assembly is known from DE 10 2009 001 706 A1 by the applicant. The known magnetic assembly has a magnetic core with electromagnetic coils embedded in said magnetic core, wherein the magnetic core is radially surrounded by a magnetic sleeve for axially enclosing the magnetic core. Positioned or secured inside the injector housing. For this purpose, the magnetic sleeve has a radially inwardly protruding holding section in the form of a holding flange, which bears against the end face of the magnetic core with the interposed residual air-gap disk. In the axial end position of the armature, which is arranged longitudinally displaceable inside the injector, the residual air-gap disk interacts with the (flat) end face of the armature, which can rest against all on the end face. Adhesion o...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): F16K31/06F16K27/04F16K27/02F02M51/06H01F7/16H01F7/08
CPCF02M51/0625F16K27/029F16K27/048F16K31/0675H01F7/081H01F7/1638
Inventor M·克劳泽H·克劳斯K·施泰因贝格O·蒂克尔
Owner ROBERT BOSCH GMBH