Exhaust valve for two-cycle engine

Details Exhaust valve for two-cycle engine Exhaust valve for two-cycle engine

2005-05-03

2005-05-03

Denion, Thomas (Department: 3748)

Internal-combustion engines

Two-cycle

Whirl through piston-controlled ports

Reexamination Certificate

active

06886507

ABSTRACT:
An exhaust valve for a two-cycle engine. The exhaust valve includes a valve body and an actuator. The valve body, in turn, includes a valve insert and a shaft extending from the valve insert. A substantially axial slot may be defined on an upper surface of the valve insert. The actuator may include an actuator housing, the piston, an actuator spring, and an actuator cover. in the embodiment shown, the actuator housing defines a plurality of orifices and feelingly accommodates the piston. The piston may be mechanically connected to the valve body shaft and is biased toward a front surface of the actuator housing by a spring. The actuator cover may accommodate one end of the spring and cooperates with the actuator housing to define a generally cylindrical cavity therein.

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