Anti-roll-up vortex piston

Details Anti-roll-up vortex piston Anti-roll-up vortex piston

1982-08-12

1984-09-18

Feinburg, Craig R.

Internal-combustion engines

Particular piston and enclosing cylinder construction

Cylinder detail

123306, 123307, F02B 1700

Patent

active

044717342

ABSTRACT:
Modifications of piston top geometry eliminate the formation of the coherent roll-up vortex characteristic of most engines and dissipatively mix absorbed HC from the cylinder wall with hot gases in the cylinder to reduce unburned HC emissions.

REFERENCES:
patent: 2662514 (1953-12-01), Bodine
patent: 3919982 (1975-11-01), Goto et al.
patent: 4236490 (1980-12-01), Correll

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