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| Number | Title | Issue Date |
| 7357792 | Positive push medical valve with internal seal A medical valve having an open mode to permit fluid flow and a closed mode to prevent fluid flow has a body and a valving element within the interior of the body. The body also has a valving element within its interior, and a proximal port and a distal port. The val... | 04/15/2008 |
| 7240668 | Fuel leak detection apparatus and method Apparatus and method for detecting a fuel leak from a component includes providing a fuel leak enclosure about the component being monitored. ... | 07/10/2007 |
| 7210445 | Piston-cam engine A piston-cam engine includes a drive cylinder, a drive piston operably disposed therein having a piston head and a shaft, a support frame having a drive shaft rotatably movably connected thereto, a cam connected to the drive shaft having a peripheral surface and hav... | 05/01/2007 |
| 7203593 | Air starter and electronic control therefor An in-head compressed air start-up system for an internal combustion engine comprises an absolute angular position detector for the crankshaft outputting an electrical signal indicative of the angular position, a computer for storing a table of the firing order of t... | 04/10/2007 |
| 7154931 | Laser with Brayton cycle outlet pump A chemical oxygen-iodine laser (COIL) comprises an oxygen generator and a nozzle for accelerating generated oxygen to a high or supersonic velocity. A laser cavity is coupled to the nozzle, wherein the accelerated fluid, with injected iodine, is employed as a laser ... | 12/26/2006 |
| 7140182 | Energy storing engine The Energy Storing Engine is the mechanization of a hot air engine cycle. Constant temperature compression is achieved by using a multi-stage-intercooled compressor. Energy is stored in a compressed air tank. Heat is added at constant pressure by an exhaust gas to c... | 11/28/2006 |
| 7134270 | External combustion engine An external combustion engine comprising a body (8), at least one working chamber (18), combustion chamber (13), crankcase (21) and compression chamber (6), at least one working piston (20), compression piston (7) and... | 11/14/2006 |
| 7100890 | Swabbable luer-activated valve A normally closed valve that may be opened upon insertion of a nozzle permits two-way flow when opened by a luer-taper nozzle. The valve also is able to resist large back pressures. The valve includes a substantially rigid housing that defines a passageway having an... | 09/05/2006 |
| 7043904 | Electrical energy from live loads A group of devices and machines for converting the mechanical energy of live loads into electricity. A generator is operated by gears which in their turn are operated by a Bourdon tube or similar-acting device fed by working fluid in a pipe from a reservoir. The res... | 05/16/2006 |
| 7013633 | External combustion thermal engine An engine block has one or more cylinders with associated pistons connected to turn a crankshaft. A distributor housing mounted on the block has a base with one or more first ports that open into corresponding cylinders. A hollow cylindrical distributor mounted for ... | 03/21/2006 |
| 6993897 | Internal combustion engine of open-closet cycle and binary fluid An engine is disclosed. This invention is a multi-fuel oil-free engine for surface vehicles. With only one cycle and two fluids, air in an open cycle and water in a closed cycle, these fluids mixed with each other, one superimposing upon and augmenting the performan... | 02/07/2006 |
| 6966187 | Flame tube or “liner” for a combustion chamber of a gas turbine with low emission of pollutants An improved flame tube or “liner” (112) for a combustion chamber (110) of a gas turbine with low emission of pollutants, of the type comprising a cylindrical structure connected to the outlet of a premixing chamber (114) by means of a trunca... | 11/22/2005 |
| 6886326 | Quasi-isothermal brayton cycle engine An engine includes a compressor, and combustor, and an expander. The compressor compresses ambient air. The combustor burns the compressed air, and produces exhaust gasses. The expander receives the exhaust gases from the combustor, and expands the exhaust gasses. T... | 05/03/2005 |
| 6622471 | Method for driving a combustion motor as well as a combustion motor A method for driving a combustion motor has the following procedural steps: cyclical combustion of a fuel in a combustion chamber (7); letting hot pressurized combustion gas created during the combustion flow into an expansion chamber separate from the comb... | 09/23/2003 |
| 6449940 | Internal combustion engine The internal combustion engine comprises at least one combustion chamber for burning a fuel in timed explosions accompanied by formation of a combustion gas, at least one expansion chamber which is connected with the combustion chamber and separate from t... | 09/17/2002 |
| 6412273 | Continuous-combustion piston engine In a continuous-combustion piston engine in which working mediums flowing out of a combustion chamber is successively fed to at least two cylinders, each of the cylinders is stationary in relationship to the combustion chamber and has an inlet. Controls a... | 07/02/2002 |
| 6336317 | Quasi-isothermal Brayton cycle engine An engine is disclosed. According to one embodiment of the present invention, the engine comprises a compressor, and combustor, and an expander. The compressor compresses ambient air. The combustor burns the compressed air, and produces exhaust gasses. Th... | 01/08/2002 |
| 6216444 | Combustion engine This invention pertains to a combustion engine having a combustion chamber (1, 201), which has an ignition device, for the combustion of a fuel with formation of a combustion gas during an explosion stroke, and also having a rigid wall that is displaceabl... | 04/17/2001 |
| 6092365 | Heat engine A heat engine is optimized for maximum efficiency for use as an automotive powerplant. The engine is composed of a separate variable induction compressor, a compressed air accumulator, a combustor, and a separate expander. The engine is designed to minimi... | 07/25/2000 |
| 6012280 | Reciprocating engine A reciprocating engine (10) comprises separate cylinders (12 and 15) for air compression and expansion with heating of the compressed air taking place in a heat exchanger (17) or combustor (64) located between the cylinders (12 and 15). The flow of gas in... | 01/11/2000 |
| 5964087 | External combustion engine This invention refers to an engine that has the advantage over the internal combustion engines currently in use, that it substantially reduces the emission of contaminants of carbon monoxide, unburned fuel, nitrogen oxides, lead compounds and solid partic... | 10/12/1999 |
| 5682738 | Heat engines and waste destruction mechanism A heat engine for the disposal of organic wastes and method of using the same. The invention includes structure for mixing the organic wastes, a substantially isentropic compression device, a substantially isentropic expansion device, fluid conduit betwee... | 11/04/1997 |
| 5507142 | Hybrid steam engine A hybrid steam engine device which has a rotor fixed between two end plates with rotor shaft bearings which allow the rotor to move freely about its axis. A pair of guide bars rigidly connect one end plate to the other. A fixed piston pairs are rigidly at... | 04/16/1996 |
| 5497614 | External combustion engine having an asymmetrical cam and method of operation An external combustion engine having an asymmetrical cam. The engine incls a combustion chamber for generating a high-pressure, energized gas from a monopropellant fuel and an even number of cylinders for sequentially receiving the energized gas through ... | 03/12/1996 |
| 5285633 | Coolant subsystem for a torpedo propulsion system A coolant subsystem for a torpedo propulsion system having an external costion expansion engine. The coolant subsystem includes a valve which provides for one-way flow through the coolant subsystem. Inclusion of the valve prevents a backflow of exhaust g... | 02/15/1994 |
| 5253473 | Heat regenerative external combustion engine A heat regenerative external combustion engine is disclosed herein. The ene includes fuel inlet means which extends along the exhaust passage and/or combustion chamber in order to preheat the fuel. To provide for preheating by gases in both the combustio... | 10/19/1993 |
| 5074110 | Combustion engine A combustion engine comprising of a piston and cylinder assembly wherein the cylinder receives hot gasses emitted from a combustion chamber, the hot gasses being generated from the combustion of any of a variety of combustible material included but not li... | 12/24/1991 |
| 4876850 | Combustion engine for solid block fuel A combustion engine has a compressor, an expander and a combustion chamber for burning fuel in hot air. The fuel is preferred to be a prepared block of powdered, cleaned and compressed coal. The fuel blocks may consist of cleaned powder of coal which is a... | 10/31/1989 |
| 4864814 | Continuous combustion heat engine Continuous combustion heat engine including a compressor (12), combustor (14) and expander (16) which operates on a Brayton cycle with positive displacement pistons (90) in the compressor and variable expansion ratio pistons (190) in the expander. Compres... | 09/12/1989 |
| 4653269 | Heat engine A heat engine with a compressor, an external combustion chamber from which combustion gases pass through suitable valving to an expander, an air compressor, a heat exchanger where exhaust gases from the expander preheat compressed air which then flows to ... | 03/31/1987 |
| 4531360 | Rotating cylinder external combustion engine A general purpose fluid displacement device for use as an external combustion engine, a compound expansion engine, a hydraulic pump, or as an air compressor. At least one bank of circumferentially spaced pistons are operably connected to and radially disp... | 07/30/1985 |
| 4490971 | Method for regulating the operating cycle in an external combustion engine An engine having a working chamber and a combustion chamber and a method for operating it are disclosed. The amount and compression ratio of air entering the combustion chamber are controlled by valves at the working chamber. The maximum possible amount o... | 01/01/1985 |
| 4478135 | Rotating cylinder continuous external combustion engine A general purpose fluid displacement device for use as an external combustion engine, a compound expansion engine, a hydraulic pump, or as an air compressor. At least one bank of circumferentially spaced pistons are operably connected to and radially disp... | 10/23/1984 |
| 4458480 | Rotating cylinder external combustion engine An external combustion engine has at least two axially spaced banks of radially disposed cylinders formed in a rotating engine block. A reciprocating piston is mounted in each cylinder. The block is rotatably mounted in an external engine housing and rota... | 07/10/1984 |
| 4454712 | Rotating cylinder external combustion engine An external combustion engine has at least two axially spaced banks of radially disposed cylinders formed in a rotating engine block. A reciprocating piston is mounted in each cylinder. The block is rotatably mounted in an external engine housing and rota... | 06/19/1984 |
| 4413486 | Rotating cylinder external combustion engine A fluid pressure device of the type having reciprocating pistons disposed in associated cylinders formed in an engine block that rotates conjointly with a drive shaft mounted eccentrically to the spin axis of the engine block. The length of the piston str... | 11/08/1983 |
| 4336686 | Constant volume, continuous external combustion rotary engine with piston compressor and expander Constant volume, continuous external combustion rotary engine which incorporates at least one radial piston compressor, at least one continuous-combustion chamber, at least one radial piston expander together with a means to supply fuel to the combustion ... | 06/29/1982 |
| 4215533 | Rotary expander engine A low noise, high power, light weight, compact rotary expander engine of Wankel type which features minimum unbalanced forces and elimination of balance weights because its rotating parts rotate about their centers of mass. The high inertia of its rotat... | 08/05/1980 |
| 4215534 | Cooling system for an expander engine A cooling system for a low noise, high power, light weight, compact rotary xpander engine of the Wankel type having two hot zones at the operating temperatures wherein a coolant path is provided which permits the coolest coolant to be delivered at the two ... | 08/05/1980 |
| 4212163 | Heat engine A heat engine which the steady burning of liquid or gaseous fuel in a combustion chamber, external to the engine cylinders, is converted to mechanical work by means of expansion of the combustion gases in the engine cylinders. A pair of series inlet poppe... | 07/15/1980 |
