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| Number | Title | Issue Date |
| 7267093 | Crankcase with bottom plate In a crankcase for an internal combustion engine, including a lubricant chamber for the collection of lubricant, and a bottom plate for providing dry sump lubrication closing the crankcase and being sealingly joined to the bottom end of the crankcase, wherein the cr... | 09/11/2007 |
| 7246577 | Reciprocating piston engines A reciprocating piston engine has a cylinder with a transfer port and an exhaust port, wherein the transfer port and exhaust port are at least partially coincident and are provided with a port valve. The engine includes a pump having a divided chamber therein, one s... | 07/24/2007 |
| 7137590 | Lubricating installation for rocking power transmission box An installation includes at least a pressurized lubricating circuit for elements housed in the rocking crankcase, each circuit including a radial transfer bearing between two opposite cylindrical journals coaxial about the rocking axis, one fixed journal on a fixed ... | 11/21/2006 |
| 6988477 | Control apparatus for an internal combustion engine and control method thereof An engine is cranked by a motor generator at a start time of the engine. An engine ECU opens an intake valve or an exhaust valve during a compression stroke using a valve control mechanism during a period from when cranking is started until when a predetermined cran... | 01/24/2006 |
| 6374782 | Air-fuel mixture generating device An air-fuel mixture generating device includes a main body equipped with a diaphragm-type fuel pump, a fuel injection valve attached to the main body, and a manual fuel pump attached to the main body for filling a fuel passageway with fuel when the diaphr... | 04/23/2002 |
| 6328004 | Internal combustion engines An internal combustion engine has a positive displacement supercharger which can be used with particular advantage in an underpumping two stroke engine which is in the form of a valved diaphragm which reciprocates in a housing to deliver positive pulses o... | 12/11/2001 |
| 6112709 | Boosting mechanism of two-stroke engine A boosting mechanism of two-stroke engine, including a turbo-propeller disposed on a mandrel of an activating shaft. The turbo-propeller is positioned in front of an intake port of the combustion chamber of an engine and coupled with a crank of the piston... | 09/05/2000 |
| 5345897 | Gas-exchanging process for two-stroke, internal combustion engines The invention relates to a gas-exchanging process for two-stroke internal combustion engines, and a two-stroke internal combustion engine for executing the process, in which two scavenging paths of the gas are provided, namely the known reverse scavenging... | 09/13/1994 |
| 4481909 | Two-cycle internal combustion engine A crankchamber precompression type two-cycle internal combustion engine including at least one cylinder assembly, each cylinder assembly including a stepped cylinder constituted by a minor diameter cylinder portion and a major diameter cylinder portion, a... | 11/13/1984 |
| 4480597 | Two-stroke cycle gasoline engine A two-stroke cycle gasoline engine, comprising a power cylinder-piston assembly having a scavenging port configuration including a first scavenging port configuration first uncovered by the power piston as it moves along the power cylinder from its top de... | 11/06/1984 |
| 4430967 | Two cycle diesel engine The invention engine comprises a compressor with a rotary piston in a cylinder bore in a stator and a U-shaped box-like combustion-expansion compartment, conveniently called a U-box, immediately above and riding on the rotary piston, the U-box and the com... | 02/14/1984 |
| 4398509 | Two-stroke motor This motor is of the type comprising a case having a cylindrical upper part in which a piston is slidably mounted and a lower part in which a crankshaft connected to the piston is disposed. The case further comprises on one hand, an intake port and an exh... | 08/16/1983 |
| 4362132 | Two-cycle engine A two-cycle engine is disclosed which conventionally includes a piston that reciprocates between a closed combustion chamber and crankcase. The piston reciprocates through a connecting rod that is eccentrically connected to the crank discs of a crankshaft... | 12/07/1982 |
| 4289094 | Two-stroke cycle gasoline engine A two-stroke cycle gasoline engine having a first scavenging port which is supplied with fuel-air mixture through a mixture passage, and a second scavenging port which is supplied with air, wherein supply of fuel-air mixture through the mixture passage is... | 09/15/1981 |
| 4287859 | Two-stroke cycle gasoline engine A two-stroke cycle gasoline engine including at least one two-stroke cycle power cylinder-piston assembly adopting uniflow scavenging and incorporating two horizontally opposed pistons, and at least one scavenging pump cylinder-piston assembly of the reci... | 09/08/1981 |
| 4276858 | Two-cycle internal combustion engine A two-cycle internal combustion engine includes a power cylinder, a drive piston being positioned therein. A first transfer duct extends between an auxiliary cylinder, which is supplied with carburetted air and the power cylinder and opens thereinto via a... | 07/07/1981 |
| 4258669 | Two-stroke cycle gasoline engine A two-stroke cycle gasoline engine including at least one two-stroke cycle power cylinder - piston assembly incorporating uniflow scavenging and two horizontally opposed pistons, and a scavenging structure which gives zero or a relatively weak swirl to th... | 03/31/1981 |
| 4258670 | Method for feeding a combustion chamber of a two-stroke engine of the controlled ignition type and engine applying said method The present invention relates to a method for feeding the combustion chamber of a two-stroke engine, according to which the constituents of the combustible mixture are admitted into the combustion chamber via two intake devices at the bottom of the cylind... | 03/31/1981 |
| 4257365 | Two-stroke cycle diesel engine A two-stroke cycle diesel engine having at least one two-stroke cycle power cylinder-piston assembly incorporating uniflow scavenging and having two horizontally opposed pistons, at least first and second scavenging ports and two crankcases which may perf... | 03/24/1981 |
| 4248185 | Two-cycle engine with pure air scavenging A two-cycle internal combustion engine includes a cylinder, a piston in the cylinder and a crankcase pump. The crankcase pump is divided into a first chamber and a second chamber by a membrane. At least one respective transfer passage connects each of the... | 02/03/1981 |
| 4248183 | Two-stroke cycle diesel engine A two-stroke cycle diesel engine having: at least one two-stroke cycle power cylinder - piston assembly incorporating uniflow scavenging and having two horizontally opposed pistons, at least first and second scavenging ports and two crankcases which may p... | 02/03/1981 |
