Piston assembly

Details Piston assembly Piston assembly

1975-05-14

1977-03-22

Myhre, Charles J.

Internal-combustion engines

Particular piston and enclosing cylinder construction

Cylinder detail

92187, 92190, 403152, F02F 300

Patent

active

040130576

ABSTRACT:
An improved piston assembly for high-power internal combustion engines such as supercharged diesel engines. The piston includes separate head and skirt portions. An elongated tubular-shaped bearing member having an internal bearing surface and an external journal surface is formed across the bottom of the piston head. A connecting rod passes through an opening in the lower center of the bearing member and is attached to a wrist pin which rotates against the internal bearing surface of the tubular-shaped bearing member to permit rotational movement between the connecting rod and the piston head. The wrist pin is supported by the bearing surface along its entire length to prevent any flexing of the wrist pin when high compressive forces are applied to the piston head. The skirt is connected to the piston head by thrust bearings which engage the external journal surface of the bearing member substantially along its entire length to permit rotational movement between the piston head and the piston skirt.

REFERENCES:
patent: 1795353 (1931-03-01), Taylor et al.
patent: 3789743 (1974-02-01), Sihon

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