Dual mode fuel injector with one piece needle valve member

Patent · Tue Jan 18 00:00:00 EST 2005

OSTI ID:968991

Lawrence, Keith E ^[1]; Hinrichsen, Michael H ^[2]; Buckman, Colby ^[3]

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1. Peoria, IL
2. Goodfield, IL
3. Bellville, MI

A fuel injector includes a homogenous charge nozzle outlet set and a conventional nozzle outlet set controlled respectively by inner and outer needle value members. The homogenous charged nozzle outlet set is defined by an outer needle value member that is moveably positioned in an injector body, which defines the conventional nozzle outlet set. The inner needle valve member is positioned in the outer needle valve member. The outer needle valve member is a piece component that includes at least one external guide surface, an external value surface and an internal valve seat.

• Research Organization: Caterpillar, Inc
• Sponsoring Organization: USDOE
• DOE Contract Number: FC05-97OR22605
• Assignee: Caterpillar Inc (Peoria, IL)
• Patent Number(s): 6,843,434
• Application Number: 10/377,325
• OSTI ID: 968991
• Country of Publication: United States
• Language: English