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| Number | Title | Issue Date |
| 7350483 | Fluid piston engine A fluid piston engine with a plurality of cylinders wherein the plurality of cylinders are daisy chained through a single turbine having a single impeller. The fluid piston engine has a plurality of daisy chained cylinders that burn a fuel of hydrogen, and an oxidiz... | 04/01/2008 |
| 7308869 | Radial compression-ignition engine A compression-ignition internal combustion engine for aircraft generally comprises a stationary crankshaft, a crankcase adapted to rotate about the stationary crankshaft, and a plurality of cylinders radially extending from the crankcase. Each cylinder includes a pi... | 12/18/2007 |
| 7191738 | Liquid piston internal combustion power system Methods, devices, and systems for power generation through liquid piston internal combustion engine. The liquid piston internal combustion engine of the invention utilizes a novel, synergetic combination of internal combustion and steam piston engines within the fra... | 03/20/2007 |
| 7070147 | Lubricating oil filling structure for an engine The lower end of a filler tube is attached to a service hole formed on a cylinder block in a horizontally opposed engine on a rear side of the engine, e.g., on side opposite from which an output shaft projects. The filler tube is provided with an elbow at the lower ... | 07/04/2006 |
| 6182615 | Combustion-driven hydroelectric generating system A combustion-driven hydroelectric generating system has one or more combustion cylinders that contain a liquid (such as water) and receive a combustible fuel/oxidizer mixture that is ignited and the explosive force of the combustion acts on the surface of... | 02/06/2001 |
| 5127369 | Engine employing rotating liquid as a piston A rotating-liquid piston engine having two or more cylinders that are partially filled with a fixed volume of liquid and are interconnected by two tangentially-connected, unidirectional flow tubes or pipes containing hydromotors. For an internal combustio... | 07/07/1992 |
| 4897995 | Liquid turbojet engine A liquid turbojet engine includes an elongated shaft, a housing mounted about the shaft with the shaft being rotatable relative to the housing about the shaft longitudinal axis, a conduit fixed to the shaft within the housing filled with an inert motive l... | 02/06/1990 |
| 4646515 | Two-phase engine An engine includes an elongated shaft, a housing mounted about the shaft with the shaft being rotatable relative to the housing about the shaft longitudinal axis, a conduit fixed to the shaft within the housing filled with an inert motive liquid and nozzl... | 03/03/1987 |
| 4644752 | Engine system for ships An engine system for ships is has an engine body including a main combustion engine for generating power by igniting fuel and a power transmission apparatus for producing great power with the explosion pressure of the main combustion engine. A compressed ... | 02/24/1987 |
| 4638635 | Internal combustion engine system An internal combustion engine system has an engine body provided with a main combustion engine which generates power by gas explosion and a power transmission apparatus for transmitting to the crank shaft a greater power than is produced by the gas explos... | 01/27/1987 |
| 4531480 | Power magnification apparatus of a internal and external engine A piston power transmission apparatus is disclosed having an upper cylinder block, a lower cylinder block, a vertical wall mounted in the upper cylinder block to provide an internal chamber and external chamber respectively, the top piston being slidably ... | 07/30/1985 |
| 4480611 | Internal combustion engine using several kinds of fuels, with electronically adjustable intake and exhaust valves and injection device The combustion engine using several kinds of fuels is provided with intake and exhaust valves and an injection device which may be electronically adjusted. It is comprised of at least one working cylinder (1, 1a) at the upper part of which is provided a f... | 11/06/1984 |
| 4319546 | Hydraulic combustion engine A piston engine, that may comprise one or more piston assemblies, employs hydraulic pressure principles in combination with an internal combustion construction to minimize the fuel required to operate the engine. The engine includes multiple assemblies fo... | 03/16/1982 |
| 4205638 | Fluid power supply system A double acting Diesel cycle hot gas engine comprising a plurality of engine cylinders, each having a free piston unit adapted to perform work, providing a continuous flow of compressed air to an energy consumption source and to a storage tank connected t... | 06/03/1980 |
| 4085710 | Hydraulic engine piston A two piston hydraulic fluid separated internal combustion cylinder system utilizing a cylinder having fuel inlet ports, ignition means, a viewing window, a filling plug; a first piston, hydraulic fluid cushion and a smaller piston which may be connected ... | 04/25/1978 |
| 3998049 | Steam generating apparatus Improved apparatus for generating a high pressure mixture of steam and combustion gases for utilization by a steam engine or the like. The apparatus includes a combustion cylinder and an accumulator cylinder of substantially equal diameter, with both cyli... | 12/21/1976 |
| 3990228 | Method and apparatus for converting heat energy into mechanical energy A method of converting heat energy into mechanical energy in which two substantially symmetrical, cylindrical chambers are secured together and rotated about a common central axis with a liquid being maintained against the outer wall of either chamber by ... | 11/09/1976 |
