Two-cycle engine

Details Two-cycle engine Two-cycle engine

1984-09-05

1986-09-02

Greenlief, Magdalen Y. C.

Internal-combustion engines

Two-cycle

Rear compression

123 73D, 123 73V, F02B 3304

Patent

active

046089497

ABSTRACT:
A two-cycle engine with an intake port extending perpendicularly to a crankshaft, wherein the intake port is directed substantially parallel with a tangential line a crank web defines at its top point on the side of a cylinder. A cylinder skirt portion fronting an end opening of the intake port at the cylinder side has a part thereof cut, while keeping its length in the axial direction of the cylinder. The two-cycle engine further includes a rotary valve mechanism having a rotary valve cover covering a rotary disc, the rotary valve cover being formed with an intake hole, and an intake tube connecting the intake hole to a carburetor, and the intake tube is integrally jointed to the intake hole. The two-cycle engine further includes a valve guide plate supporting the rotary disc, an engine body has formed in its upper face a mount seat for the valve guide plate, the mount seat being formed with a recess, the valve guide plate has a mount face fittable to the mount seat, the mount face being formed with another recess, and a breather chamber is constituted with the recesses.

REFERENCES:
patent: 873857 (1907-12-01), Grade
patent: 3690304 (1972-09-01), Schneider et al.
patent: 4202298 (1980-05-01), Boyesen
patent: 4276858 (1981-07-01), Jaulmes
patent: 4318373 (1982-03-01), Soubis
patent: 4474145 (1984-10-01), Boyesen

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