"We live in a society exquisitely dependent on science and technology, in which hardly anyone knows anything about science and technology."
Carl Sagan
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 4955333 | Variable volume crankcase scavenge control A crankcase scavenged two cycle engine is provided with a supplemental variable volume chamber or plenum connected with the crankcase chamber for each cylinder to controllably vary the effective volume of the crankcase chambers and thereby control scaveng... | 09/11/1990 |
| 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 |
| 4352343 | Constructional improvements in a two-stroke opposed piston engine operating with stratified charge The invention relates to an improvement in a two-stroke internal combustion engine with opposed cylinders of different diameters which communicate by way of a combustion chamber of bell configuration for radially stratifying the rich mixture charge fed ta... | 10/05/1982 |
| 4296714 | Dual piston two stroke engine A two stroke internal combustion engine with at least one dual piston, the cylinders of which are connected to each other by a combustion chamber on the cylinder head side. The engine can be charged on the crank chamber side with an air or air/fuel mixtur... | 10/27/1981 |
| 4079705 | Two-stroke-cycle dual-piston internal combustion engine In a two-stroke-cycle dual-piston engine in which a fuel mixture is compressed in the crank chamber by the reciprocating pistons, the compressed fluid flows from the crank chamber and a compartment of one cylinder open toward the crank chamber through a t... | 03/21/1978 |