Fuel injection valve and its apparatus, method for...

Details Fuel injection valve and its apparatus, method for... Fuel injection valve and its apparatus, method for...

2006-10-24

2006-10-24

Wolfe, Jr., Willis R. (Department: 3747)

Internal-combustion engines

Combustion chamber means having fuel injection only

Having a particular relationship between injection and...

C239S533120, C239S601000

Reexamination Certificate

active

07124735

ABSTRACT:
It is an object of the present invention is to provide a fuel injection valve and its apparatus, and an internal combustion engine, a method for manufacturing the fuel injection valve and its nozzle body, and a method for manufacturing the same capable of securing highly accurate and stabilized fuel spraying characteristics. The fuel injection valve comprises a nozzle body, an injection hole provided in the nozzle body, a valve body for opening and closing a fuel passage from the injection hole relative to the nozzle body, and a drive means for driving the valve body, wherein formed is a protrusion having an opening in communication with the downstream side of the injection hole of the nozzle body and which part of the side and an extreme end are opened. The invention resides in a nozzle body and manufacturing it by plastic processing, and an internal combustion engine using the same.

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Copy of European Patent Office Communication dated Jun. 23, 2003.

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