Intake duct system for an engine

Details Intake duct system for an engine Intake duct system for an engine

2008-04-17

2009-12-29

Smith, Duane (Department: 1797)

Gas separation

Deflector

Fixed gas whirler or rotator means

C055S396000, C055S399000, C055S414000, C055S424000, C055S456000

Reexamination Certificate

active

07637978

ABSTRACT:
A foreign particle eliminating function and durability of an engine may be improved by an intake duct system having a cyclone duct including a cyclone module for generating torque of air, wherein the cyclone module includes: a central shaft; a plurality of cyclone blades that are formed outward from the central shaft; and a turbulence preventing device that is formed at a downstream side of the central shaft of the cyclone module so as to prevent turbulence of the air that has passed the cyclone blade.

REFERENCES:
patent: 2661076 (1953-12-01), Walker
patent: 2748888 (1956-06-01), Hodson
patent: 3258895 (1966-07-01), Wiebe et al.
patent: 3362155 (1968-01-01), Driscoll
patent: 3517821 (1970-06-01), Monson et al.
patent: 3713280 (1973-01-01), Keller et al.
patent: 4159899 (1979-07-01), Deschenes
patent: 4629481 (1986-12-01), Echols
patent: 6878189 (2005-04-01), Moredock
patent: 6921424 (2005-07-01), Bugli et al.

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