Internal-combustion engines – Means to whirl fluid before – upon – or after entry into...
Reexamination Certificate
2006-10-31
2006-10-31
Huynh, Hai (Department: 3747)
Internal-combustion engines
Means to whirl fluid before, upon, or after entry into...
C123S590000, C123S592000
Reexamination Certificate
active
07128049
ABSTRACT:
A flow guiding structure for guiding into a clockwise swirling flow pattern gas flowing into a gas passageway leading toward a combustion chamber of an internal combustion engine. The structure includes a tubular peripheral wall having a base section for securing the structure to the gas passageway and an integrally extending guiding section. A plurality of guiding vanes extend radially inward from the guiding section each about a corresponding vane first edge. Each guiding vane includes a vane second edge extending in a geometrical plane perpendicular to the structure longitudinal axis. Each guiding vane further includes a substantially convex vane third edge. The guiding section is provided with a plurality of guiding bents formed therein and extending radially inwardly. The guiding bents are adapted to act as an auxiliary guide and as reinforcement for the structure.
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patent: 6536420 (2003-03-01), Cheng
patent: 6550446 (2003-04-01), Robley, Jr.
patent: 6837213 (2005-01-01), Burnett
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