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| Number | Title | Issue Date |
| 4879974 | Crankcase supercharged 4 stroke, 6 cycle engine A high power, fuel efficient, low-emission, four-stroke, 6 cycle method of operation. A primary intake conduit carries air or a lean mixture from the compression chamber (crankcase) to the combustion chamber. Fuel is added to the air or lean mixture as it... | 11/14/1989 |
| 4672931 | Lubrication system with oil recovery for a two-stroke engine piston with pump-sump for scavenging A lubrication system with oil recovery for a two-stroke engine piston with pump-sump for scavenging, said system consisting of a lubicating oil pressure circulation system having inlet and outlet holes for the oil, said holes passing through the wall of t... | 06/16/1987 |
| 4593989 | Charge removing device for an electrophotographic copying machine An electrophotographic copying machine comprises a light beam reflection device, a charge removing device, a developing device, and a control device. The light beam reflection device is operated to reflect light beams from a document image portion and a m... | 06/10/1986 |
| 4424772 | Internal combustion engine valve actuating cam A two stroke internal combustion engine with piston and cylinder has a crankshaft having peripheral gears and a cam both affixed to the same crankshaft throw. A trough is in the engine crankcase whereby the gears pass through lubrication.... | 01/10/1984 |
| 4401061 | Reduction of distortion of portions of the cylinder wall in a two stroke engine A two stroke engine has a pair of adjacent cylinders. The exhaust passage from one cylinder passes near the other cylinder. Localized distortion of the other cylinder is reduced or prevented by placing isolation, insulation, or cooling means in the region... | 08/30/1983 |
| 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 |
| 4178887 | Intake distributor for two-cycle internal combustion engines An intake gas distributor extending from one carburetor to a pair of two-cycle internal combustion cylinders. The cylinders are horizontal and arranged one above the other. The distributor is bifurcated, and its branches are proportioned and arranged so t... | 12/18/1979 |
| 4075985 | Two cycle internal combustion engines Crank-chamber precompression type two cycle engines having scavenging ports connected with the crank-chamber through scavenging passages. An air supply passage is connected through a reed type check valve with at least one of the scavenging passages at th... | 02/28/1978 |
| 4034724 | Stratified charging of internal combustion engines Method and apparatus for providing a stratified charge of air and a fuel-rich, fuel-air mixture to each combustion chamber of an internal combustion engine having more than one combustion section by providing alternate sources of intake air at the intake ... | 07/12/1977 |
| 3955544 | Internal combustion engine A cylinder has a head and a bottom. A piston is reciprocable in the cylinder and defines a power chamber with said head and an air compression chamber with said bottom. Controlled intake and exhaust ports are formed in said cylinder and adapted to communi... | 05/11/1976 |
