Internal-combustion engines – Frame construction – Horizontal cylinder
Patent
1992-03-25
1993-04-20
Kamen, Noah P.
Internal-combustion engines
Frame construction
Horizontal cylinder
277216, F02F 700
Patent
active
052032949
ABSTRACT:
A four-cycle internal combustion engine which has one or more horizontally disposed cylinder bores and a piston supported for horizontal reciprocation in each cylinder bore. Each piston includes a ring structure wherein a plurality of compression rings are fitted in corresponding parallel grooves formed on the outer periphery of each piston. A positioning pin for each compression ring is press fitted into the groove of the associated ring in its end gap for positioning and holding the end gap of each compression ring at a point along the outer periphery of the piston outside of the area under the piston axis.
REFERENCES:
patent: 4291651 (1981-09-01), Villella
Takemura Takao
Watanabe Takahide
Yamaoka Yoshikazu
Beutler Ernest A.
Kamen Noah P.
Sanshin Kogyo Kabushiki Kaisha
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