Internal-combustion engines – Charge forming device – Charge-mixing device in intake
Reexamination Certificate
2011-05-17
2011-05-17
Nguyen, Dinh Q (Department: 3752)
Internal-combustion engines
Charge forming device
Charge-mixing device in intake
C123S188700, C138S044000, C048S189400, C239S594000
Reexamination Certificate
active
07942139
ABSTRACT:
A ring insert for an air intake conduit for an internal combustion engine comprising a sleeve-shaped body which is tightly mounted within the air intake conduit. The body has an inner surface which includes an annular surface in the shape of a truncated cone defining an annular inclined surface that is narrower at the forward edge of the body than at the rearward edge forming a venturi directly adjacent the rearward edge. The forward edge of the body is smoothly contoured and the rearward edge of the body is smoothly contoured.
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Hogan James S
Lipkin Sandy
Nguyen Dinh Q
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