| Entries |
| Document | Title | Date |
|---|
| 20130042606 | Elder Rotary Stirling Engine - A pistonless rotary modified Stirling heat engine, sealed in a pressurized environment, which lacks a crankshaft and comprises a compressor and expansion rotor where each rotor has two hemispherically shaped disks which follow at least one track which is machined into the internal engine casing and which are connected on a single common rotor assembly shaft. | 02-21-2013 |
| 20090193804 | Heat exchanger and stirling engine - A heat exchanger includes: a cylindrical member made of metal as an outer shell body; a corrugated fin that is made of metal and that is attached to the cylindrical member as a heat exchanging member; and a coating layer formed on at least one of a surface of the cylindrical member and a surface of the corrugated fin. The corrugated fin is pressure-contacted to the cylindrical member. The heat exchanger can be provided, for example, to a heat absorbing portion or a heat dissipating portion of a Stirling engine. | 08-06-2009 |
| 20130031898 | USING PHASE CHANGE EXPANSION OF A SUBSTANCE TO PERFORM WORK ON A WORKPIECE - Apparatus and method for working of a workpiece use the expansion of water in a container during the freezing process to drive a piston against a workpiece that is positioned to at least partially overlie a cross-sectional area of a hollow interior of the container. Use of a piston with a tapered working end focuses the resulting force against a small area of the workpiece in order to produce a bend in the workpiece at the point of application. In environments where conventional bending tools are not available, the apparatus can be used to perform bending or other operations on workpieces of varying materials. | 02-07-2013 |
| 20120222415 | THERMAL ENERGY STORAGE APPARATUS, ARRANGEMENT AND METHOD - A thermal energy storage apparatus adapted to receive heat source input for the development and substantially continuous supply of thermal energy to a Stirling engine for the transfer of said thermal energy to electrical and/or mechanical energy, even during periods when heat source input is intermittent or unavailable for a period of time. The apparatus includes a series of elongate canisters containing silicon metalloid and made of refractory material. The canisters are interlaced with a thermal energy absorbing material in communication with a wicking material to which the Stirling engine is in communication. | 09-06-2012 |
| 20090282826 | THERMODYNAMIC MACHINE WITH CONTINUOUSLY CIRCULATING REFRIGERANT - A thermodynamic machine including a closed circuit for the circulation of a refrigerant fluid, a heat exchanger, a cold inlet, and at the exchanger output, a hot outlet, at least one first variable-volume enclosure acting on a mobile member communicating its movement to an output system, and a cooler. According to the invention, the machine further includes at least one variable-volume enclosure controlled by the output system by being interposed between the cold inlet of the circuit and the cooler outlet, with such a chamber providing, for an operating cycle of the enclosure, reinjection of liquid into the exchanger to maintain the pressure at the hot outlet of the circuit at a substantially constant value. | 11-19-2009 |
| 20100218495 | SYSTEMS AND DEVICES FOR STORING ENERGY IN AN ELASTIC ROPE SPRING MOTOR - Systems and devices for storing mechanical energy in a spring motor or the like are described. In one implementation, an energy storage device includes an elastic rope, a spool and a control mechanism. The elastic rope is reversibly deformable from a relaxed state to a stretched state for storing mechanical energy. The spool is coupled to the elastic rope, and is configured to maintain the elastic rope in the stretched state while the elastic rope is wound around the spool. The control mechanism is coupled to the spool and is configured to allow the spool to rotate in response to the elastic rope relaxing from the stretched state to the relaxed state for retrieval of stored mechanical energy. In some implementations, the elastic rope may be formed from an elastomer wrapped with a fiber made from carbon nanotubes or other synthetic strengthening material. | 09-02-2010 |
| 20120291429 | IMPLEMENT - The present invention relates to an implement, in particular an excavator or a machine for material handling, with an element movable via at least one working drive, wherein at least one energy recovery cylinder is provided for energy recovery from the movement of the movable element, which includes a chamber filled with gas. The energy recovery cylinder is equipped with a heat exchanger. | 11-22-2012 |
| 20120291430 | Implement - The present invention relates to an implement, in particular an excavator or machine for material handling, with an element movable via at least one working drive, wherein at least one energy recovery cylinder is provided for energy recovery from the movement of the movable element, which includes a chamber filled with gas, wherein the actuation of the implement is effected in dependence on the directly or indirectly determined temperature of the gas in the chamber filled with gas. | 11-22-2012 |
| 20100275591 | SELF GENERATING POWER GENERATOR FOR CRYOGENIC SYSTEMS - A cryogenic self powered system includes a cooled chamber having a hot face and a cold face; a power generator coupled to the hot face and the cold face to generate electricity therefrom; and a working fluid coupled to the cooled chamber and to the power generator. | 11-04-2010 |
| 20090211243 | Annular Burner Assembly - An annular burner assembly having an annular burner mesh. An annular gas/air supply duct supplies a combustible gas/air mixture to the burner mesh in a substantially axial direction. A flow modifier is provided in the vicinity of the burner and has a plurality of fins each extending in a substantially radial plane to define a plurality of passages arranged circumferentially around the supply duct to substantially laminarise the gas/air mixture. The fins provide a thermal link from the burner to a location radially away from the burner. The burner assembly is particularly suited to a Stirling engine. | 08-27-2009 |
| 20120192554 | ACTUATOR PUMP SYSTEM - An actuator housing unit for a system of layered surfaces, comprising an activated primary surface having a physical shape capable of change when activated by an electrical, chemical, or light stimulus, to expand and exert force or pressure or contract and remove force or pressure, upon activation or deactivation, to move or keep matter within the housing by direct or indirect contact. | 08-02-2012 |
| 20090211242 | Engines Driven by Liquefied Gas - In an engine driven by liquefied gas, such as liquefied nitrogen or air, inlet means ( | 08-27-2009 |
| 20090044529 | Power cycle generator - A power cycle generator includes a central processor, a liquid storage unit, a heating unit, and a condensing unit. The central processor receives a signal and activates a compressor which forces out liquid substance in the liquid storage unit. The liquid substance is ejected out through an atomizer as an atomized object which is filled into the heating unit having a heat exchanger. Simultaneously, the atomized object is evaporated through a solar cell into high pressure air flow blowing toward a gas turbine which transmits proper torque through a gear box to a generator for producing electricity. The high pressure air flow is converted into a liquid-gas mixture through the condensing unit, and is compressed and transmitted to the liquid storage unit through the compressor, thus forming a continuous cycle between a liquid state and a gaseous state, and acquiring free electricity and heat through solar energy. | 02-19-2009 |
| 20110005219 | ELECTRICITY GENERATION DEVICE USING HOT GAS ENGINE - The present invention provides an electricity generation device using hot gas engine. The device contains a closed container filled with high-pressure gas. The container has an outlet which is connected to a pneumatic or hydraulic cylinder. Hot and cold fluids are sprayed alternatively and repeatedly into the closed container to heat up or cool down the high-pressure gas. As the high-pressure gas expands or contracts, a piston rod of the cylinder is pushed and pulled back and forth so as to produce electricity continuously. | 01-13-2011 |
| 20120036846 | SURFACES PHYSICALLY TRANSFORMABLE BY ENVIRONMENTAL CHANGES - An apparatus includes a substrate having a top surface, a substantially regular array of raised structures located over the top surface, and a layer located on the top surface between the structures. Distal surfaces of the structures are farther from the top surface than remaining portions of the structures. The layer is able to contract such that the distal surfaces of the structures protrude through the layer. The layer is able to swell such that the distal surfaces of the structures are closer to the top surface of the substrate than one surface of the layer. | 02-16-2012 |
| 20120304638 | TEMPERATURE DIFFERENTIAL ENGINE DEVICE - A temperature differential engine device includes a low-boiling-point medium steam turbine ( | 12-06-2012 |
| 20100287928 | APPARATUS AND METHOD FOR LOCOMOTION - An apparatus for locomotion includes an elongate body member defining a longitudinal axis and having oppositely disposed first and second body ends separated by a body lumen. A power source is operative to selectively provide motive power to the apparatus by changing a lateral cross-sectional area of the body member in at least one actuation location to produce at least one peristaltic wave propagated through the body member substantially along the longitudinal axis. The peristaltic wave is a substantially smooth wave. The peristaltic wave causes the body member to interact with an ambient environment and provide longitudinally oriented locomotion to the apparatus. A method for locomotion is also described. | 11-18-2010 |
| 20120297762 | IMPLEMENT - The present invention discloses an implement, in particular an excavator or a machine for material handling, with an element movable via at least one working drive, wherein at least one energy recovery cylinder is provided for energy recovery from the movement of the movable element, which includes a chamber filled with gas. In accordance with the invention, a device for adjusting the temperature of the energy recovery cylinder is provided. | 11-29-2012 |
| 20130111894 | SYSTEM AND METHOD FOR ENERGY CONVERSION - System and method for converting energy; the system comprising: an acoustic resonator; a phase-exchange device configured for forming across a section of said resonator a concentration gradient of a first substance in a gaseous medium contained by said resonator, to thereby generate a pressure wave within said resonator; and a conversion device for converting mechanical energy constituted by said pressure wave to non-mechanical energy. | 05-09-2013 |
