Two-cycle engine

Details Two-cycle engine Two-cycle engine

2007-04-10

2007-04-10

Kamen, Noah P. (Department: 3747)

Internal-combustion engines

Two-cycle

Rear compression

C123S0730AE, C261SDIG012, C261SDIG052

Reexamination Certificate

active

11395951

ABSTRACT:
A two-cycle engine having a piston reciprocalbly mounted in a cylinder in which a combustion chamber is formed. In prescribed positions of the piston, the combustion chamber communicates with a crankcase via at least one transfer channel. A portion of an intake channel for supplying fuel/air mixture and combustion air is formed in a carburetor, in which is pivotably mounted a butterfly valve for controlling the flow cross-section of the intake channel. A fuel opening opens into the intake channel portion, and downstream of the carburetor the intake channel is divided into a mixture channel and an air channel. A mechanism is disposed on the butterfly valve to increase the speed of flow in the carburetor in the vicinity of the fuel opening.

REFERENCES:
patent: 6101991 (2000-08-01), Glover

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