Invention Grant
- Patent Title: Inward-opening variable fuel injection nozzle
- Patent Title (中): 向内开启可变燃油喷嘴
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Application No.: US10750881Application Date: 2004-01-05
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Publication No.: US06918377B2Publication Date: 2005-07-19
- Inventor: Joachim Boltz
- Applicant: Joachim Boltz
- Applicant Address: DE Stuttgart
- Assignee: Robert Bosch GmbH
- Current Assignee: Robert Bosch GmbH
- Current Assignee Address: DE Stuttgart
- Agent Ronald E. Greigg
- Priority: DE10300045 20030103
- Main IPC: F02B1/12
- IPC: F02B1/12 ; F02M45/08 ; F02M47/02 ; F02M57/02 ; F02M59/10 ; F02M59/46 ; F02M61/18 ; F02M61/20 ; F02M63/00 ; F02M63/02 ; F02M45/00

Abstract:
A fuel injection nozzle is proposed, in which an inner nozzle needle and an outer nozzle needle can be actuated independently of one another. Upon opening of the outer nozzle needle, a stream of fuel is injected into the combustion chamber in the direction of the longitudinal axis of the fuel injection nozzle, while upon opening of the inner nozzle needle, the fuel is injected laterally into the combustion chamber.
Public/Granted literature
- US20040134465A1 Inward-opening variable fuel injection nozzle Public/Granted day:2004-07-15
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