Fluid sprinkling – spraying – and diffusing – Flow deflecting or rotation controlling means – Fluid rotation inducing means upstream of outlet
Reexamination Certificate
2005-08-16
2005-08-16
Hwu, Davis (Department: 3752)
Fluid sprinkling, spraying, and diffusing
Flow deflecting or rotation controlling means
Fluid rotation inducing means upstream of outlet
C239S461000, C239S533300, C239S585100, C239S585500
Reexamination Certificate
active
06929195
ABSTRACT:
A fuel injector is provided which comprises a swirl generator and a swirl regulator. The swirl regulator comprises an upper housing mounted to an upper part of said body and a lower housing including a center aperture, said lower housing and said upper housing cooperatively defining a plurality of cavities; a rotating member including a center shaft and a plurality of vanes formed thereon, said center shaft being rotatably disposed in said center aperture of said lower housing and coupled to said swirl generator, said vane being disposed in said cavity such that said cavity is divided into a first chamber and a second chamber, said first chamber communicating with said fuel passageway and said second chamber communicating with the outside of said injector; a biasing member forcing said rotating member to rotate against a force acting on said vane from a pressure difference between said fuel passageway and the outside of said injector.
REFERENCES:
patent: 3937011 (1976-02-01), Caruel et al.
patent: 4015571 (1977-04-01), Stumpp
patent: 4264040 (1981-04-01), Saito
patent: 4827883 (1989-05-01), Khalighi et al.
patent: 4869429 (1989-09-01), Brooks et al.
patent: 5975433 (1999-11-01), Hasegawa et al.
patent: 2000314358 (2000-11-01), None
Hwu Davis
Hyundai Motor Company
Morgan & Lewis & Bockius, LLP
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