Engine piston having a gas turbulence generating surface

Details Engine piston having a gas turbulence generating surface Engine piston having a gas turbulence generating surface

1999-09-27

2000-10-10

McMahon, Marguerite

Internal-combustion engines

Particular piston and enclosing cylinder construction

Piston

F02F 328

Patent

active

061290661

ABSTRACT:
A piston for an internal-combustion engine has a longitudinal axis, a crown and an outer crown face. The crown face includes a dished depression; a surface region surrounding the dished depression and being elevated relative thereto; and a plurality of substantially radially extending clefts subdividing the surface region into a plurality of elevated partial surface regions.

REFERENCES:
patent: 4162661 (1979-07-01), Nakanishi et al.
patent: 4294207 (1981-10-01), May
patent: 6019079 (2000-02-01), Sakurahara et al.

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