10545 results about "Heating energy" patented technology

The present invention provides devices and methods for decalcifying an aortic valve. The methods and devices of the present invention break up or obliterate calcific deposits in and around the aortic valve through application or removal of heat energy from the calcific deposits.

Devices, systems and methods are disclosed for treating bronchial constriction related to asthma, anaphylaxis or chronic obstructive pulmonary disease. The treatment comprises transmitting impulses of energy non-invasively to selected nerve fibers that are responsible for smooth muscle dilation. The transmitted energy impulses, comprising magnetic and / or electrical, mechanical and / or acoustic, and optical and / or thermal energy, stimulate the selected nerve fibers.

Methods and apparatus for treatment of layered tissue defects such as a patent foramen ovale provide for applying energy to tissues adjacent to the PFO with a closure device that substantially closes the PFO. Apparatus generally includes an elongate flexible member having a proximal end and a distal end and an energy transmission member deployable from the elongate flexible member. The energy transmission member applies energy to the layered tissue defect at a first position and a second position adjacent to the first position so as to substantially close the layered tissue defect along at least a portion of the defect. Applied energy may be monopolar or bipolar radiofrequency energy or any other suitable energy, such as laser, microwave, ultrasound, resistive heating, direct heat energy, cryogenic or the like. PFO closure via energy-based approaches of the invention may help prevent stroke, treat migraine headache, and possibly treat or prevent other medical conditions.

A LED sunken lamp includes a case and a lighting assembly. The case includes a lamp shade and a case seat. The lamp shade is wedged in the case seat. The lighting assembly also is wedged in the case seat and includes at least a LED lamp and a circuit board that are electrically connected. The case seat can be disassembled to facilitate wedging of the lamp shade and the lighting assembly in the case seat. The case seat also has a plurality of radiation fins to disperse heat energy generated by the LED lamp when in use to increase the life span of the LED lamp.

A cooling module for a battery pack assembly is disclosed. The cooling module includes a frame having a plurality of legs forming an opening through a central portion of the frame, at least one of the plurality of legs including a slot formed therethrough. A cooling fin is coupled to the frame. The cooling fin includes a corrugated plate interposed between a first plate and a second plate forming a plurality of fluid flow channels between the first plate and the second plate. The cooling modules are disposed in a stack having at least one battery cell disposed between adjacent cooling modules. The battery cell is in heat transfer communication with the cooling fin of at least one cooling module, wherein the cooling fin facilitates a transfer of heat energy between the battery cell and the flow channels formed in the cooling fin.

A bulb comprises a seat; a plurality of metal heat sink each having two fixing surfaces, one fixing surface being fixed with an light emitting chip; and one end of each metal heat sink being placed into an insulated frame and then being fixed to a supporting surface of a heat conductive base; the metal heat sinks having an effect of absorbing heat energy and then transferring heat to the seat so as to dissipate heat; the metal heat sinks being integrally formed with the bulb base and then being combined to the seat; the heat conductive base having an inclined surface which is advantageous to reflect light from a light emitting diode so as to increase the illumination of the light emitting chip; and a metal adhesive layer being assembled to the supporting surface of the heat conductive base and the fixing surfaces of the metal heat sinks.

The present invention provides devices and methods for decalcifying an aortic valve. The methods and devices of the present invention break up or obliterate calcific deposits in and around the aortic valve through application or removal of heat energy from the calcific deposits.

An system includes a first battery having a first desired operating temperature range between a first lower threshold temperature and a first upper threshold temperature and a second battery having a second desired operating temperature range between a second lower threshold temperature and a second upper threshold temperature. The system further includes a temperature control system coupled to the first and second batteries and configured to convey heat energy from the first battery to the second battery when the temperature of the second battery is less than the second lower threshold temperature to increase the temperature of the second battery toward the second desired operating temperature range and to convey heat energy away from the second battery when the temperature of the second battery is greater than the second upper threshold temperature to decrease the temperature of the second battery toward the second desired operating temperature range.

A feeding device for an oil field waste treatment system comprises a main pipe and multiple branch pipes, wherein front ends of the branch pipes are all connected with the rear end of the main pipe, and rear ends of the branch pipes are all connected with corresponding heating cavities; a main slurry pump which is a positive displacement pump is mounted on the main pipe; root valves are mounted on all of the branch pipes. The feeding device for the oil field waste treatment system adopts the positive displacement pump for pumping, materials with higher fluidity can be conveyed and distributed, and the feeding quantity can be measured, so that a proper quantity of materials are conveyed into the heating cavities, the materials are completely treated, the heat energy of a burner can be more efficiently utilized, and the treatment efficiency is improved. The materials can be constantly conveyed into the heating cavities quantitatively at a constant speed for a long time through measurement of calibration ports and regulation of branch regulation valves, the continuity of waste treatment work can be higher, and the work efficiency is further improved.

An HVAC system for heating and cooling a passenger compartment of a vehicle is provided. A first heat exchanger transfers heat between a primary loop and a secondary loop. The primary loop is a reversible loop and uses high pressure refrigerant. A compressor pressurizes the refrigerant. A second heat exchanger selectively transfers heat energy to and from the passenger compartment. The secondary loop is a low pressure liquid coolant loop that passes through the first heat exchanger. A pump moves fluid through the secondary loop. A third heat exchanger transfers heat to and from an external medium from the fluid passing through the secondary loop. A secondary heat source adds heat to the secondary loop during a heating mode. A bypass means selectively bypasses the secondary heat source during a cooling mode.

An electric power generating system is provided that uses a wind turbine to generate waste-heat that is utilized in an organic Rankine Cycle drive that converts heat energy into rotation of a generator rotor for generating electricity. A hydrodynamic retarder may be provided that dissipates heat into a hot fluid by directing the flow of the fluid through the hydrodynamic retarder in a manner that resists rotation of blades of the wind turbine. The hot fluid circulating in the hydrodynamic retarder is a thermal heat source for vapor regeneration of organic heat exchange fluid mixture(s) used in the Rankine cycle, expansion of the organic heat exchange fluid being converted into rotation of the generator rotor.

A light emitting diode (LED) light bulb comprising a heat dissipation module, a circuit board, at least one LED light source and a light-transmissible packaging shell is disclosed in the present invention. The heat dissipation module comprises a heat dissipation base and a heat convection tube extended from the heat dissipation base. The circuit board is assembled to the heat dissipation module. The LED light source is arranged on the circuit board, and releases heat energy when projecting at least one illumination light beam. The light-transmissible packaging shell is assembled to the heat dissipation module to package the LED light source, and formed with a heat dissipation opening. The heat convection tube is extended to the heat dissipation opening to communicate with external environment, so that a heat convection action is progressed between the heat convection tube and external environment to dissipate heat energy.

A counter-flow system for use in a turbine for selecting various mixtures of fluids for use with the system. The system may be used for a combustor for a gas powered turbine which employs a heat exchanger to combust a fuel without the emission of undesired chemical species. A gas powered turbine requires expanding gases to power the turbine blades. Fuel is combusted to produce the required gases. An oxidizer is introduced into the counter-flow system in a first direction before a first portion of fuel is introduced into the oxidizer. The fuel and oxidizer mixture is then flowed through a second pathway wherein the fuel and oxidizer mixture obtains a selected amount of thermal energy. Moreover, in a second pathway an equivalence ratio of the fuel and oxidizer mixture may be altered from the original fuel and oxidizer mixture.

The present invention provides devices and methods for decalcifying an aortic valve. The methods and devices of the present invention break up or obliterate calcific deposits in and around the aortic valve through application or removal of heat energy from the calcific deposits.

An illumination device comprising a housing fixture, a light source, and an active heat transfer device is provided. The housing fixture includes a base adapted to be receivable in a light fixture receptacle configured to receive a gas-discharge lamp. The light source emits light with a color rendering index higher than a respective color rendering index of at least a type of gas-discharge lamp. The active heat transfer device is physically coupled to the light source and mounted to the housing fixture. The active heat transfer device receives power from a power supply to remove thermal energy from the light source.

A system and method for biomass pyrolysis utilizing chemical looping combustion of a produced char to capture carbon dioxide is disclosed. The system includes a biomass pyrolysis reactor, a char combustor, and oxidation reactor and a separator for separating carbon dioxide from flue gas produced by the char combustion. The pyrolysis reactor pyrolyzes biomass in the presence of reduced metal oxide sorbents producing char and pyrolysis oil vapor. The char is separated and combusted in the char combustor, in the presence of oxidized metal oxide sorbents, into a gaseous stream of carbon dioxide and water vapor. The carbon dioxide and water are separated so that a stream of carbon dioxide may be captured. The oxidation reactor oxidizes, in the presence of air, a portion of reduced metal oxide sorbents into oxidized metal oxide sorbents that are looped back to the char combustor to provide oxygen for combustion. A second portion of the reduced metal oxide sorbents is recycled from the char combustor to the pyrolysis reactor to provide heat to drive the pyrolysis. Pyrolysis oil upgrading catalyst particles may be used in addition to the metal oxide sorbents as heat energy carrier particles to improve the quality of the pyrolysis oil vapors produced in the pyrolysis reactor. Also, the metal oxide sorbents may have metals incorporated therein which serve to upgrade the pyrolysis vapors produced during pyrolysis. Non-limiting examples of such metals include Ni, Mo, Co, Cr, W, Rh, Ir, Re, and Ru.

A thermoelectric generator for an internal combustion engine that prevents a thermoelectric generation element from being damaged. The thermoelectric generator includes a casing, which is arranged in an exhaust passage, and a sleeve. A cooling mechanism is arranged outside the sleeve. Thermoelectric generation elements are arranged between the sleeve and the cooling mechanism in a manner movable relative to both the sleeve and the,cooling mechanism. The thermoelectric generation elements convert heat energy from exhaust in the exhaust passage to electric energy.

An apparatus and a method is disclosed for storage of solar energy in a subsurface geologic reservoir. The method includes transferring concentrated solar thermal energy to a fluid, thereby generating a supercritical fluid. The supercritical fluid is then injected into the subsurface geologic reservoir through at least one injection well. The subsurface geologic reservoir may be a highly permeable and porous sedimentary strata, a depleted hydrocarbon field, a depleting hydrocarbon field, a depleted oil field, a depleting oil field, a depleted gas field, or a depleting gas field. Once charged with the supercritical fluid, the subsurface geologic formation forms a synthetic geothermal reservoir.

The invention provides a therapeutic system comprising:a console, wherein the console comprises a controller and an energy generator;a therapeutic device comprising: an operational head configured for transmitting the energy output from to a biological tissue; and a memory device comprising control instructions, wherein said control instructions comprise instructions for controlling the console;a reversible memory operable linkage linking the memory device to the controller; anda reversible connector configured for operably linking the energy generator to the operational head.Optionally, the energy generator is a generator of ablation energy or heat energy (e.g. RF generator) and the control instructions comprise instructions for controlling the output of the energy generator. Optionally, the control instructions comprise one or more parameters of energy output or an algorithm configured for controlling the energy output. Optionally, the system further comprises one or more secondary therapeutic devices and the control instructions comprise instructions for controlling the one or more secondary therapeutic devices. Optionally, the system further comprises one or more sensors configured for sensing parameters of energy output or biological or environmental effects of the energy output and the control instructions comprise instructions for controlling the energy output and / or secondary therapeutic devices based on the parameters of energy output or biological or environmental effects. In some embodiments, one advantage provided by the present invention is the use of a single console with a plurality of interchangeable reversibly connected therapeutic devices.

A method and system for producing deep lesions without the production of high heat. The method generally includes ablating target tissue cells with a device in communication with an energy generator programmable to ablate tissue using heat energy, electroporation, or a combination thereof. The system generally includes a medical device having a plurality of electrodes at a distal end, and an energy generator in communication with the plurality of electrodes, the generator programmable to deliver alternating current energy between approximately 100 volts RMS and approximately 2000 volts RMS or greater. The generator is further programmable to deliver energy in unipolar mode, bipolar mode, and a combination thereof.

Methods and devices are provided for treatment of an aneurysm within a patient. The devices can be adjusted within the body of a patient in a minimally invasive or non-invasive manner such as by applying energy percutaneously or external to the patient's body. The energy may include, for example, acoustic energy, radio frequency energy, light energy and magnetic energy. Thus, the size and / or shape of the embolic coils can be adjusted to provide optimal filling of the aneurysm. In certain embodiments, the devices include a shape memory material that is responsive to changes in temperature and / or exposure to a magnetic field. A material having enhanced absorption characteristics with regard to a desired heating energy may be used in order to facilitate heating and adjustment of the embolic coil.

The invention discloses a microgrid running optimization system and method based on power and heat combined dispatching. Running restrains such as the output force characteristic, start, stop and climbing of a distributed type generator set and the charge and discharge characteristics of power and heat energy storage are comprehensively considered, a microgrid power and heat combined dispatching model containing a fan, a photovoltaic cell, a combined heat and power generation system, an electric boiler, a fuel cell and an energy storage (electrical energy storage and heat energy storage) is built, the 0-1 mixed integer nonlinear programming method is adopted for solving the optimal output force and total running cost of all units in the network, and power and heat dispatching contrastive analysis is carried out on the system and a traditional separated generation and combined generation optimization model. In addition, the influences of the heat and power reliability difference on the running are analyzed and discussed, and therefore the heat and power dispatching module is more reasonable, comprehensive and universal.

An internal combustion engine defined as having an engine block for internal combustion, a high-pressure turbocharger for delivering pressurized intake air to the engine block, a low-pressure turbocharger for delivering pressurized intake air to the high-pressure turbocharger, a turbogenerator for recovering heat energy from the exhaust gas downstream of the low-pressure turbocharger to generate electricity, and an exhaust gas recirculation (EGR) system comprising an EGR-pump drawing exhaust gas from an EGR inlet located between the low-pressure and high-pressure turbocharger turbines, wherein the EGR-pump controllably delivers exhaust gas to an EGR mixer in the pressurized intake air stream at a location between the low-pressure and high-pressure turbocharger compressors. An electronic control unit (ECU) is adapted to command the EGR-pump to deliver a desired EGR flow-rate to the engine block based on look-up tables and either open-loop and / or closed-loop control algorithms.

The invention discloses a differential speed reciprocating internal combustion engine. It consists of one or more cylinders, a pair of pistons in each cylinder, and a crank connecting rod mechanism for each piston. The piston pair consists of a power piston and an auxiliary piston that are positioned oppositely in the same cylinder. The pistons keep a differential angle of 35°-75° CA and make differential speed movement under the control of a coordination mechanism. Since combustion takes place at a position close to the middle of the travel of the power piston, the crank connecting rod mechanism has a large lever arm coefficient when it is under the maximum combustion pressure. Thus the combustion thermal energy can be more efficiently utilized.

A multifunctional cooking apparatus includes a parabolic-like cooking pot and dome-like cover. A heating element is embedded either in the wall of the cover or the wall of the cooking pot to provide heat transfer respectively. The cooking pot have an opening to create a cooking recess with a parabolic inner wall, and the cover have an opening and formed as a dome-like inner wall, so that the cooking pot and the cover are generally formed as a spherical-like or oval-like cooking chamber by which to concentrate the heat energy therein and cooking food in a variety of ways at a minimal cost, such as baking, steaming, deep-frying, boiling or simmering mode.

A cooling system for a battery system and a method for cooling the battery system are provided. The cooling system includes a housing having first and second enclosed portions, and a first evaporator and a first evaporator fan disposed in the first enclosed portion that recirculates air in a first closed flow path loop within the first enclosed portion. The first evaporator extracts heat energy from the air in the first closed flow path loop to reduce a temperature level of a first battery module in the first enclosed portion. The cooling system further includes a condenser disposed in the second enclosed portion and fluidly coupled to the first evaporator, which receives heat energy in a refrigerant from the first evaporator and dissipates the heat energy. The cooling system further includes a compressor disposed in the second enclosed portion that recirculates the refrigerant through the first evaporator and the condenser.