Internal-combustion engines – Charge forming device – Exhaust gas used with the combustible mixture
Reexamination Certificate
2006-05-09
2006-05-09
Yuen, Henry C. (Department: 3747)
Internal-combustion engines
Charge forming device
Exhaust gas used with the combustible mixture
Reexamination Certificate
active
07040305
ABSTRACT:
A method and a device for exhaust gas recycling (EGR) in a combustion engine (1), wherein EGR gases are led into a section of the intake channel where a venturi (9) is arranged for modifying the flow of the intake air, and where a reduced pressure prevails because of modified flow, wherein at least a portion of the wall (10) of the venturi (9) is adjustable for varying the cross section of the venture and thereby for desired adjustment to prevailing operational conditions.
REFERENCES:
patent: 4094285 (1978-06-01), Oyama et al.
patent: 4150646 (1979-04-01), Aoyama et al.
patent: 4174027 (1979-11-01), Nakazumi
patent: 5611203 (1997-03-01), Henderson et al.
patent: 5611204 (1997-03-01), Radovanovic et al.
Castro Arnold
Ostrolenk Faber Gerb & Soffen, LLP
Scania CV AB ((publ)
Yuen Henry C.
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