Internal-combustion engines – Charge forming device – Exhaust gas used with the combustible mixture
Patent
1995-12-08
1997-03-25
Wolfe, Willis R.
Internal-combustion engines
Charge forming device
Exhaust gas used with the combustible mixture
123571, 7386161, 7386152, F02M 2507, G01F 142
Patent
active
056134797
ABSTRACT:
A pressure feedback EGR system including an EGR tube having a metering orifice therein and extending between an exhaust passageway and an intake passageway of the internal combustion engine, a first pressure tap connected to the EGR tube on one side of the metering orifice, a second pressure tap connected to the EGR tube on the other side of the metering orifice, and the first pressure tap and the second pressure tap each having an end disposed within the EGR tube and with each end being partially closed to form an orifice extending therethrough to reduce noise from pulsations across the metering orifice.
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Gates Freeman C.
McCliment Gregory
Pratt Joseph W.
Drouillard, Esq. Jerome R.
Ford Motor Company
May, Esq. Roger L.
Wolfe Willis R.
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