Method for producing a fuel injector

Patent metadata

Field	Value
Publication number	US-10113524-B2
Application number	US-201214130244-A
Country	US
Kind code	B2
Filing date	May 15, 2012
Priority date	Jun 29, 2011
Publication date	Oct 30, 2018
Grant date	Oct 30, 2018

Abstract

A fuel injector, including a valve insert and a plug extrusion coating, is described, the valve insert including a valve seat and a valve housing. The valve housing has an alignment device, which is equipped to align the valve insert in an injection molding die, and the plastic extrusion coating has a second alignment device which is equipped to align the fuel injector during assembly in an internal combustion engine.

First claim

What is claimed is:

1. A method for producing a fuel injector, comprising:
providing a valve insert with a first alignment device for aligning the valve insert;
introducing the valve insert into an injection molding die, the valve insert being aligned in the injection molding die using the first alignment device; and
molding the valve insert with a plastic to produce a plastic extrusion coating in such a way that the plastic extrusion coating has a second alignment device,
wherein based on the alignment using the first alignment device, a jet path of the fuel injector is aligned relative to the second alignment device
wherein (i) the fuel injector is aligned during assembly in an internal combustion engine, and (ii) for assembly of the fuel injector in the internal combustion engine, only an alignment of the second alignment device is necessary.

2. The method as recited in claim 1 , wherein at least one of:
the first alignment device has at least one first area and one second area, and the second alignment device includes an area.

3. The method as recited in claim 1 , wherein the first alignment device is situated at an end region of the valve insert adjacent to a valve seat.

Assignees

• Naumann Rainer
• Bayer Johann
• Bosch Gmbh Robert

Inventors

• Naumann Rainer
• Bayer Johann

Classifications

• B29C45/14

  incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles {(B29C45/1671 takes precedence)} · CPC title

• F02M61/168 Primary

  Assembling; Disassembling; Manufacturing; Adjusting · CPC title

• F02M2200/8046

  the manufacture involving injection moulding, e.g. of plastic or metal · CPC title

• Y10T29/49401

  Fluid pattern dispersing device making, e.g., ink jet · CPC title

• B29C45/14622

  Lining the inner or outer surface of tubular articles · CPC title