Fuel injection valve and direct-injection engine with the same

Details Fuel injection valve and direct-injection engine with the same Fuel injection valve and direct-injection engine with the same

2006-08-01

2006-08-01

Solis, Erick (Department: 3747)

Internal-combustion engines

Combustion chamber means having fuel injection only

Having a particular relationship between injection and...

C123S298000, C123S472000, C239S533400, C239S533120, C239S533140

Reexamination Certificate

active

07082921

ABSTRACT:
A fuel injection valve with high freedom to optimize the direction of fuel spray, the shape of spray, the length of penetration, the existence/absence of lead spray and the like, in correspondence with each type of internal combustion engine is provided. A swirling force about a central axis of an injection orifice is supplied by a swirler to fuel injected from the injection orifice. A central axis E of the injection orifice is slanted at a predetermined deflection angle to a central axis of a valve body. Further, a step portion is formed in an end surface of the injection orifice.

REFERENCES:
patent: 4520962 (1985-06-01), Momono et al.
patent: 6345601 (2002-02-01), Miyajima et al.
patent: 6494388 (2002-12-01), Mueller et al.
patent: 6588399 (2003-07-01), Okamoto et al.
patent: 2003/0006316 (2003-01-01), Miyajima et al.
patent: 11-159421 (1999-06-01), None
patent: 2000-329036 (2000-11-01), None

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