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| Number | Title | Issue Date |
| 8109086 | External combustion engine An external combustion engine provided with a main container in which a working fluid is sealed flowable in a liquid phase state, a heater heating part of the liquid phase state working fluid in the main container to make it vaporize, a cooler cooling steam of the w... | 02/07/2012 |
| 8020380 | External combustion engine An external combustion engine alternately repeating a first stroke of making a working fluid evaporate at a plurality of heating portions and making a liquid phase part of the working fluid displace toward an output part side and a second stroke of making the workin... | 09/20/2011 |
| 7992386 | Waste heat engine An engine includes a radial arrangement of cylinders each having a reciprocating piston with a piston head and a connecting rod pivotally linked to the piston head at an upper end. A lower end of each connecting rod is pivotally linked to a crank disk that is rotata... | 08/09/2011 |
| 7987670 | External combustion engine In a steam engine having multiple main containers, first and second communication pipes are arranged in parallel to each other for respectively communication an auxiliary container with the main containers. Restricted portions and a first switching device are formed... | 08/02/2011 |
| 7802426 | System and method for rapid isothermal gas expansion and compression for energy storage The invention relates to systems and methods for rapidly and isothermally expanding gas in a cylinder. The cylinder is used in a staged hydraulic-pneumatic energy conversion system and includes a gas chamber (pneumatic side) and a fluid chamber (hydraulic side) and ... | 09/28/2010 |
| 7493760 | Steam engine In a steam engine 1, an inner wall face 22a of a connecting tube portion 22 is entirely formed out of a water repellent finish face 22b. Accordingly, when liquid located in a portion close to a heater 30 in a vertical... | 02/24/2009 |
| 7424802 | Steam engine A steam engine has a pipe shaped fluid container, a heating and cooling devices respectively provided at a heating and cooling portions of the fluid container, and an output device connected to the fluid container, so that the output device is operated by the fluid ... | 09/16/2008 |
| 7415824 | Steam engine A steam engine has a pipe shaped fluid container, a heating and cooling devices respectively provided at a heating and cooling portions of the fluid container, and an output device connected to the fluid container, so that the output device is operated by the fluid ... | 08/26/2008 |
| 7329959 | Micro power generator and apparatus for producing reciprocating movement There is provided a micro power generator enhanced in efficiency and power generation output, and having an increased temperature range for operation. The micro power generator comprises: a high-temperature heat source; a low-temperature heat source; an enclosed bod... | 02/12/2008 |
| 7313917 | Volume phase transition to induce gel movement Movement of a gel structure is propagated by successively applying external stimuli to cause volume phase transition in the gel structure by alternately causing the gel structure to collapse and swell to move the center of mass of the gel structure in the direction ... | 01/01/2008 |
| 7215980 | Pen-type mobile telephone A kind of pen-type mobile telephone. It comprises: housing (1), display (2), button (3, 4, 5), telephone receiver (6), earphone (7), etc. It is characterized in that said pen-type mobile telephone's housing possesses slender rod-fo... | 05/08/2007 |
| 7188474 | Reciprocating engine and inlet system therefor The invention relates to a reciprocating engine and a working fluid inlet system therefore. The engine includes at least one cylinder with a reciprocating piston therein and a variable volume expansion chamber capable of receiving a working fluid via an inlet valve.... | 03/13/2007 |
| 7185491 | Steam engine A steam engine has a looped fluid container, in which working fluid is filled. A heating device, a cooling device and an output device are arranged at the fluid container. A lower side valve is provided at a fluid passage of the fluid container between the heating d... | 03/06/2007 |
| 7185492 | Stirling engine having slidable piston The present invention is a rotary engine having a rotor and a slidable piston that are contained within a stator. ... | 03/06/2007 |
| 7124580 | Sub-zero condensation vacuum system A pre-condenser is provided for condensation of water at sub-zero degree Celsius temperatures. A brine solution is cooled below 0 degrees Celsius and delivered to the pre-condenser. The brine solution contacts the vapors and gases from a scrubber, thereby condensing... | 10/24/2006 |
| 7073331 | Steam engine In a steam engine having a heating device, a cooling device, and an output device, the output device comprises a piston reciprocally moving by a self-excited fluid vibration of a working fluid in a fluid container. The piston is reciprocally moved by the output devi... | 07/11/2006 |
| 7013639 | Heat differential power system Heat differential power systems and apparatus for powering liquid cooling systems and/or generating electrical power in a data processing system or a telecommunication system are presented. A number of embodiments are presented. In each embodiment a heat differentia... | 03/21/2006 |
| 7000389 | Engine for converting thermal energy to stored energy The engine for converting thermal energy to stored fluid energy includes expansion cylinders (61a–f) with expansion chambers (62a–f) and flexible membranes (63a–f). Heating and cooling of working fluid inside the cylin... | 02/21/2006 |
| 6988364 | Thermal actuator A specially profiled wax retaining cup and piston guide are crimped together to compress a peripheral portion of a diaphragm wax seal to the extent of extruding the diaphragm material to form both an axial seal and at least one radial seal. The compressed, extruded ... | 01/24/2006 |
| 6978611 | MEMS closed chamber heat engine and electric generator A heat engine, preferably combined with an electric generator, and advantageously implemented using micro-electromechanical system (MEMS) technologies as an array of one or more individual heat engine/generators. The heat engine is based on a closed chamber containi... | 12/27/2005 |
| 6758040 | High heat producing power system A high heat producing system which encapsulates a deflected rotating laser beam in a chamber and propagates it through a gaseous medium within the chamber. The heat energy of the deflected rotating laser beam agitates the molecules of the gaseous medium such that th... | 07/06/2004 |
| 6536213 | Micromachined parylene membrane valve and pump A micromachined fluid handling device having improved properties. The valve is made of reinforced parylene. A heater heats a fluid to expand the fluid. The heater is formed on unsupported silicon nitride to reduce the power. The device can be used to form... | 03/25/2003 |
| 6484498 | Apparatus and method for converting thermal to electrical energy A cycle engine. converting thermal energy to electricity includes a cylinder housing having a piston having two oppositely disposed heads and mounted for reciprocating inside the cylinder. The cylinder is disposed between a hot zone to supply hot gas to o... | 11/26/2002 |
| 6457308 | Thermal energy engine assembly A thermal energy engine assembly comprises a cylinder, a piston set, a reheater, a spindle and a flywheel. An external thermal source is placed outside the cylinder to drive the piston set to have reciprocating motion along the spindle. The piston set has... | 10/01/2002 |
| 6446434 | Power machinery for temperature-differential engine A power machinery for a temperature-differential engine comprises a first valving piston, a power piston, a second valving piston, a spindle, a countershaft and a flywheel. The power piston and the second valving piston have spiral grooves on outer surfac... | 09/10/2002 |
| 6427444 | Method and device for converting thermal energy and device with the thermal energy converting device A thermal energy conversion device includes a heat converter composed of a medium containing portion (10) that does not substantially change in capacity and a variable portion (11) that is changeable in capacity, an operating portion composed of a piston ... | 08/06/2002 |
| 6397595 | Pyrotechnic actuator with a deformable membrane A pyrotechnic actuator comprises a deformable membrane (24) separating a first chamber (20), which is able to receive pyrotechnic combustion gases, from a second chamber (22) containing a control member (32) displaceable by the membrane (24) during the op... | 06/04/2002 |
| 6385973 | Micro-scalable thermal control device A microscalable thermal control module consists of a Stirling cycle cooler that can be manipulated to operate at a selected temperature within the heating and cooling range of the module. The microscalable thermal control module is particularly suited for... | 05/14/2002 |
| 6318068 | Valve actuating mechanism for a piston engine A mechanism is disclosed for actuating the intake and exhaust valves of a reciprocating multiple cylinder external combustion vapor expansion engine in either forward and reverse rotation. Electrical solenoid and pressure actuating valve mechanisms responding ... | 11/20/2001 |
| 6192683 | Device for converting thermal energy into electrical energy In a known device for converting of thermal energy into electrical energy which consists of a working circuit (2) with a working fluid for driving a turbo-engine (1) and of a plurality of heat exchanges (10) alternatively cross-flown by a cold and hot med... | 02/27/2001 |
| 5927094 | Apparatus for cooling an electronic device A cooling apparatus is provided in an electronic device, where the cooling apparatus operates on waste heat provided by a heat producing component, such as a computer processor. The cooling apparatus has at least one chamber which is thermally coupled wit... | 07/27/1999 |
| 5894729 | Afterburning ericsson cycle engine This invention is a heat engine operating on the afterburning Ericsson cycle whose principle is heat addition to the cycle by an afterburner in which fuel is burned with the low-pressure air working fluid exhausted by the expander. The resulting combustio... | 04/20/1999 |
| 5878571 | Device for amplifying the output of a driven machine A device (1) has a drive (2) with a gas chamber 93), a plate (4) moveably disposed therein, a heater (5), a cooler (8) and a regenerator (11). An auxiliary drive (14) can move the plate (4) without driving the machine (13). The plate (4) may thus advantag... | 03/09/1999 |
| 5809784 | Method and apparatus for converting radiation power into mechanical power A method and apparatus for converting radiation power, especially solar radiation, into mechanical power. A piston is provided that is movable in a cylinder accompanied by the formation of a variable-sized working chamber. During a compression stroke, the... | 09/22/1998 |
| 5375983 | Expanding fluid pressure system A system for utilizing the expansion of water as the water is transformed from a liquid state to a solid state includes a rigid outer container and a flexible inner bladder received centrally within the outer container. Hydraulic fluid is received within ... | 12/27/1994 |
| 5186001 | Transient energy release microdevices and methods A microdevice in the form of a microactuator or micropump. A microdevice for providing reciprocating motion at a high repetition rate, including a cell having an output wall with at least a portion movable, such as a diaphragm or inlet and outlet valves. ... | 02/16/1993 |
| 5095699 | Stirling type cylinder force amplifier A mechanical force amplifier is disclosed including a gas-containing cylinder having one fixed end and one movable end determined by the position of an output power piston. A cold temperature zone and a hot temperature zone are maintained along the axis o... | 03/17/1992 |
| 4779420 | Thermal exchanger engine An internal thermal exchanger engine which, in one embodiment, includes a cylinder having side walls and an enclosed lower end, with a piston mounted for reciprocal movement within the cylinder, and with a heat exchanger reciprocally mounted within the cy... | 10/25/1988 |
| 4442670 | Closed-cycle heat-engine A closed-cycle heat engine consists of a gas-filled heat-insulated cylinder and a reciprocating piston. The cylinder space between the cylinder head and the piston face contains a spiral in the shape of flat interconnected discs, whereof the outermost dis... | 04/17/1984 |
| 4414814 | Solar heat engines A new solar heat engine is provided in the form of a pressure oscillation generation device having a chamber with two spaced apart walls, means on one wall receiving sunlight through said one wall, means on the other of said walls continuously cooling sai... | 11/15/1983 |
