Two-stroke internal combustion engine

Details Two-stroke internal combustion engine Two-stroke internal combustion engine

1998-02-04

2000-10-24

Yuen, Henry C.

Internal-combustion engines

Two-cycle

Rear compression

123 73R, 123 73B, 123 73PP, F02B 3304

Patent

active

061350710

ABSTRACT:
A two-stroke internal combustion engine having a crankcase provided with a crank chamber, a suction port which opens to the crank chamber, a scavenging passage opening into the crank chamber, and a crankshaft is provided with a flow control surface formed on an inner peripheral wall portion of the crank chamber which is capable of retarding the flow rate of unatomized raw fuel and which extends from the vicinity of the suction port to the vicinity of the scavenging passage. The flow control surface is comprised of a large number of intersecting unit ribs.

REFERENCES:
patent: 4711225 (1987-12-01), Holderle et al.
patent: 4776302 (1988-10-01), Hundertmark et al.
patent: 4776303 (1988-10-01), Hundertmark
patent: 5040496 (1991-08-01), Plohberger et al.
patent: 5503119 (1996-04-01), Glover
patent: 5727506 (1998-03-01), Tajima et al.

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