Quotables
"What, sir, would you make a ship sail against the wind and currents by lighting a bonfire under her deck? I pray you, excuse me, I have not the time to listen to such nonsense."
Napoleon Bonaparte ; When told of the Robert Fulton steamboat
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| Number | Title | Issue Date |
| 7765963 | Internal combustion engine An internal combustion engine usable for producing a rotational output, the internal combustion engine comprising: a casing; a cylinder defining a cylinder head and a combustion chamber extending from the cylinder head, the combustion chamber being substantially arc... | 08/03/2010 |
| 7255086 | Rotary internal combustion engine The invention can be used for transport means, sports cars and power plants. The inventive engine comprises a hollow toroidal working cylinder provided with a continuous circular slot embodied along the small diameter thereof, a nozzle or a spark plug and arc-wise e... | 08/14/2007 |
| 7004119 | Apparatus and method for rotating sleeve engine hydrodynamic seal A hydrodynamic face seal 100 for sealing between the cylinder head 300 and rotating sleeve 200 of a rotating liner engine. The face of the face seal provides a sealing zone 130 for maintaining a lubricant layer of about 2 micrometers betw... | 02/28/2006 |
| 5636561 | Volumetric fluid machine equipped with pistons without connecting rods A machine is disclosed that may be configured as a pump, a compressor or an engine. The machine displaces volume by means of pistons that are connected to a driveshaft without oscillating connecting rods. Cylinders are disposed in a rotating cylinder bloc... | 06/10/1997 |
| 5199391 | Toroidal internal combustion engine A rotary internal combustion engine including a plurality of toroidal cylinders and toroidal pistons that are slidably carried within the cylinders. Combustion of an air-fuel mixture within the respective cylinders provides a series of circumferential pow... | 04/06/1993 |
| 4553503 | Rotary piston machine This invention is an internal combustion engine having arcuate pistons inside a rotating annular cylinder block which is divided into two combustion chambers by a pair of diametrically opposed cylinder heads. Each combustion chamber has an air intake port... | 11/19/1985 |
| 4487168 | Machine having oscillating chambers and pistons The machine comprises at least one central pivot 7 angularly fast with a control member 1 and mounted for oscillation on said control member 1 around a direction perpendicular to the axis of the control member 1 and a first eccentric 31 the axis of the ac... | 12/11/1984 |
| 4434751 | Rotary piston engine The rotary piston engine has a rotatable annular cylinder and rotatable piston elements interconnected through a cross-linkage mechanism eccentrically arranged relative to the longitudinal axis of the annular cylinder for causing relative oscillatory moti... | 03/06/1984 |
| 4370109 | Rotary piston-internal combustion engine having a central axis A rotary piston-internal combustion engine has a stationary engine housing with a central axis. A rotor is positioned within the housing and includes a cylinder with first pistons integral with and spaced uniformly apart around the inner surface of the cy... | 01/25/1983 |
| 4359980 | Rotating piston engine with constant torque arm drive of its power take-off shaft A two-cylinder rotary piston internal combustion engine. Two interengaging arcuate piston-cylinder assemblies move in a circular path on an engine plane. The piston of one assembly and the cylinder of the other assembly reciprocate with respect to each ot... | 11/23/1982 |
| 4212271 | Radial torque internal combustion engine In a rotary internal combustion engine the cylinders forming the combustion chambers are circumferentially arranged in a rotatably mounted engine housing. The housing is fixed to the engine shaft which in turn is journalled for rotation in a supporting fr... | 07/15/1980 |
| 4057039 | Engine having alternately rotating orbital pistons and cylinders An engine having valve means, timing means, fuel distribution means and ignition means configured for operation on a combustible mixture of fuel and air, or other energy source, comprises at least one annular cylinder and mating annular piston forming com... | 11/08/1977 |
| 3938480 | Internal combustion engine A reciprocating piston device has its pistons and cylinders arranged in a circle, each piston and each cylinder being rotatable about a common shaft to which power is directed or, alternatively, to which power is supplied depending on the use to which the... | 02/17/1976 |
