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Title: Nozzle insert for mixed mode fuel injector

Patent ·
OSTI ID:908041

A fuel injector includes a homogenous charge nozzle outlet set and a conventional nozzle outlet set controlled respectively, by first and second needle valve members. The homogeneous charged nozzle outlet set is defined by a nozzle insert that is attached to an injector body, which defines the conventional nozzle outlet set. The nozzle insert is a one piece metallic component with a large diameter segment separated from a small diameter segment by an annular engagement surface. One of the needle valve members is guided on an outer surface of the nozzle insert, and the nozzle insert has an interference fit attachment to the injector body.

Research Organization:
Caterpillar Inc., Deerfield, IL (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
FC05-97OR22605
Assignee:
Caterpillar Inc (Peoria, IL)
Patent Number(s):
7,134,615
Application Number:
10/209,140
OSTI ID:
908041
Country of Publication:
United States
Language:
English