Carburetor for two-stroke engine

Details Carburetor for two-stroke engine Carburetor for two-stroke engine

2006-03-28

2006-03-28

Mohanty, Bibhu (Department: 3747)

Internal-combustion engines

Two-cycle

Whirl through piston-controlled ports

C123S0650PD

Reexamination Certificate

active

07017535

ABSTRACT:
The present invention provides a carburetor that can be adapted to a variety of engines with different positional relationships between the location for feeding the air/fuel mixture and the location for feeding scavenging air. The carburetor a carburetor main body (22) with an air intake passage (24) forming a portion of the air/fuel mixture passage (23) and is provided with an air passage (33) that forms a portion of an air channel (32) for scavenging air. The air passage (33) is positioned parallel to an air intake passage (24), and the front end thereof is positioned further to the base end side than to the engine-side front end face of the carburetor main body (22), enhancing the degree of freedom for placing the conduit pipe (34) for connecting the air passage (33) to the scavenging air feed port (9). Also, the throttle valve (26) and the air valve (35) are butterfly valves with mutually parallel valve stems, and the interlocking mechanism thereof has a simple configuration.

REFERENCES:
patent: 6354251 (2002-03-01), Toda
patent: 6591794 (2003-07-01), Toda
patent: 9-268917 (1997-10-01), None
patent: 1998-252565 (1998-09-01), None
patent: 1999-336613 (1999-12-01), None
patent: 2000-73869 (2000-03-01), None
patent: 2002-227653 (2002-08-01), None

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