Stratified scavenging carburetorA stratified scavenging carburetor (1) with a lost motion coupling (29) permits limited relative movement of a throttle valve (2) relative to an air valve (10) so that initial opening of the throttle …DRIVE·Jun 2·2 min readFollowF02M1/02WALBRO JAPAN INC [JP]
Stratified scavenging mechanism of a two-stroke engineA stratified scavenging mechanism of a two-stroke internal combustion engine including a carburetor for supplying and controlling an air and fuel mixture to the engine, an air intake passage (2) in wh…DRIVE·Jan 7·2 min readFollowF02M23/03WALBRO JAPAN INC [JP]
Rotary throttle valve carburetorA rotary throttle valve carburetor includes an air intake passage (51) and a throttle valve bore formed in a carburetor body (14), a cam (22) disposed in the throttle valve bore, and a throttle valve …DRIVE·Dec 10·2 min readFollowF02M9/085WALBRO JAPAN INC [JP]
Carburetor with idle fuel supply arrangementAn idle fuel supply device for a carburetor has an idle air passage (2) that communicates with an air intake passage (30) and a fuel chamber (27). A passage (2) extending from a fuel metering chamber …DRIVE·Sep 10·1 min readFollowF02M3/12WALBRO JAPAN INC [JP]
Fuel metering assembly for a diaphragm-type carburetorA fuel metering assembly for a diaphragm type carburetor has a fuel metering diaphragm with at least two convolutions or annular projections providing greater travel of the diaphragm and more consiste…DRIVE·Feb 26·1 min readFollowF02M17/04WALBRO JAPAN INC [JP]
Carburetor fuel mixture adjustment assemblyA carburetor fuel mixture adjustment assembly has a threadable holder which suppresses rotation of a needle valve body disposed within an elongated receptacle defined within a carburetor body. The thr…DRIVE·Oct 4·2 min readFollowF02M19/04WALBRO JAPAN INC [JP]
Rotary throttle valve carburetorA rotary throttle valve carburetor has a fuel-and-air mixing passage which extends through a carburetor body. A cylindrical throttle chamber extends down from a top surface of the body and communicate…DRIVE·Oct 4·2 min readFollowF02M9/00WALBRO JAPAN INC [JP]
Stratified scavenging two-stroke Internal combustion engineA two-stroke internal combustion engine having an air control arrangement which controls scavenging air flow during rapid engine acceleration to optimize the acceleration and maximum power output of t…DRIVE·Sep 19·1 min readFollowF02B25/14WALBRO JAPAN INC [JP]
Rotary throttle valve carburetorA rotary throttle valve carburetor for a two cycle engine reroutes a portion of intake air and introduces the air around the circumference of a fuel feed tube. A rotary throttle, rotatable and vertica…DRIVE·May 23·2 min readFollowF02M9/085WALBRO JAPAN INC [JP]
Fuel flow control device for diaphragm-type carburetorAn improved fuel flow control device of a diaphragm-type carburetor having a lever (34) which can be easily coupled to a flow control valve body (70). The lever has a resilient portion (65) which flex…DRIVE·May 9·1 min readFollowF02M17/04WALBRO JAPAN INC [JP]
Acceleration device for a two-cycle engineAn acceleration device of a carburetor for a two cycle engine with a rotary dual valve which controls air flow through both a scavenging passage and a separate air intake passage each extending throug…DRIVE·Apr 25·2 min readFollowF02M35/108WALBRO JAPAN INC [JP]
