Piston for internal combustion engines

Details Piston for internal combustion engines Piston for internal combustion engines

1993-03-09

1994-06-28

Argenbright, Tony M.

Internal-combustion engines

Particular piston and enclosing cylinder construction

Piston

92159, F02F, F16J 108

Patent

active

053237447

ABSTRACT:
A piston for an internal combustion engine in which a land located immediately above an oil-ring groove and/or a pressure ring groove of the piston is provided with an annular groove-shaped recess at least around an intermediate portion of the land. The annular groove-shaped recess gradually increases in depth from zero upward along the axial direction of the piston to form an oil reservoir.

REFERENCES:
patent: 1462501 (1923-07-01), Barwald
patent: 2860934 (1958-11-01), Trevarthen
patent: 4013057 (1977-03-01), Guenther
patent: 4073220 (1978-02-01), Guenther
patent: 4282837 (1981-08-01), Holtman et al.
patent: 4905577 (1990-03-01), Schneeweiss

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