Invention Grant
- Patent Title: Carburetor for stratified scavenging two-stroke engine
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Application No.: US14715623Application Date: 2015-05-19
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Publication No.: US09903314B2Publication Date: 2018-02-27
- Inventor: Shirou Yamaguchi , Takamasa Otsuji
- Applicant: Yamabiko Corporation
- Applicant Address: JP Tokyo
- Assignee: Yamabiko Corporation
- Current Assignee: Yamabiko Corporation
- Current Assignee Address: JP Tokyo
- Agency: Kilyk & Bowersox, P.L.L.C.
- Priority: JP2014-105689 20140521
- Main IPC: F02M17/12
- IPC: F02M17/12 ; F02M35/10 ; F02B17/00 ; F02B25/02 ; F02B25/16 ; F02B25/20 ; F02B25/22 ; F02M11/02 ; F02M19/00 ; F02M35/108 ; F02B63/02

Abstract:
The present invention is to prevent mixing of fresh air and an air-fuel mixture when a throttle valve is fully opened and increase a delivery ratio. A main nozzle (30) is surrounded by a tunnel-like air flow guiding member (52). The air flow guiding member (52) is opened at its front and back sides. A whole amount of fuel discharged via a main nozzle (30) is sent to a downstream side by an air flow created by the air flow guiding member (52). When a throttle valve (22) and a choke valve (24) are both in a fully-opened state, fresh air flows into an air-fuel mixture passage (12) through a gap between these valves (22, 24).
Public/Granted literature
- US20150337764A1 Carburetor For Stratified Scavenging Two-Stroke Engine Public/Granted day:2015-11-26
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