Two-stroke engine and method of operating the same

Details Two-stroke engine and method of operating the same Two-stroke engine and method of operating the same

2005-05-31

2005-05-31

Argenbright, Tony M. (Department: 3747)

Internal-combustion engines

Two-cycle

Rear compression

C123S0650PD

Reexamination Certificate

active

06899067

ABSTRACT:
A two-stroke engine, especially for a portable handheld work apparatus, includes a combustion chamber configured in a cylinder. The combustion chamber is delimited by a piston which moves upwardly and downwardly. Combustion air is supplied to the engine via an air channel. The air channel opens with an air channel window into the cylinder. The crankcase of the two-stroke engine is connected at pregiven piston positions to the combustion chamber via transfer channels. The transfer channels open with inlet windows into the cylinder. An injection nozzle opens into at least one transfer channel. In the region of top dead center of the piston, the air channel is connected via a piston window to a transfer channel. An injection nozzle is arranged in the transfer channel and injects fuel into the transfer channel during the induction of combustion air into the crankcase.

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