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| Number | Title | Issue Date |
| 7261281 | Carburetor A carburetor including a mixture channel and an air channel that are separated from one another, wherein a fuel opening opens into the mixture channel. A throttle element is rotatable about an axis of rotation that extends transverse of the direction of flow in the ... | 08/28/2007 |
| 7121256 | Throttle body A throttle body for controlling a plurality of throttle valves in a multi-cylinder engine. The throttle valves of at least two of the cylinders are structurally connected to each other. ... | 10/17/2006 |
| 7090204 | Carburetor arrangement A carburetor arrangement for a two-stroke engine (1) is for a portable handheld work apparatus such as a motor-driven chain saw, cutoff machine or the like and has an intake channel (22). The intake channel (22) is partitioned by a partition wal... | 08/15/2006 |
| 7011298 | Intake device An intake device having an intake channel that includes an intake channel section is provided. A butterfly valve is pivotably mounted in the intake channel section. A dividing wall is disposed downstream of the butterfly valve and divides the intake channel section ... | 03/14/2006 |
| 4815427 | Fuel enrichment system A fuel enrichment system for a multi-cylinder engine having a manifold balance line to deliver fuel to each of the cylinders as needed includes a valve located adjacent one of the carburetors to supply additional air/fuel mixture to approximately the cent... | 03/28/1989 |
| 4205641 | Start control means for internal combustion engine An internal combustion engine having a starter carburetor in addition to a main carburetor. The starter carburetor includes a starting mixture passage provided with a starter valve which is normally open and adapted to be closed under an influence of the ... | 06/03/1980 |
| 4106464 | Programmed control system for a lean-burning internal combustion engine A system and method for controlling a lean-burning internal combustion engine. The system and method enable a starter carburetor to operate at cold but not at hot temperature, to provide gulp air and counterbalance means for the starter carburetor, togeth... | 08/15/1978 |
| 4094931 | Carburetor assembly After the engine is started and until its warming-up is completed, control of the degree of opening of an auxiliary carburetor for supplying an enriched fuel-air mixture to the engine is effected, independently of the degree of opening of the throttle val... | 06/13/1978 |
