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2962 results about "Steam generation" patented technology

Steam Generation Steam is generated in main generation plants, and/or at various process units using heat from flue gas or other sources. Heaters (furnaces) include burners and a combustion air system, the boiler enclosure in which heat transfer takes place, a draft or pressure...

Liquid heating method and apparatus particularly useful for vaporizing a liquid condensate from cooling devices

A method and heating device for heating a liquid, particularly useful for removing liquid condensate from cooling devices, by wetting a heating plate with the liquid and controlling the electrical power supply to maintain the heating plate at a the predetermined temperature above the boiling point of the liquid, such that when the heating plate is not wetted by the liquid, the electrical power supply to the heating plate is automatically maintained at a relatively low value, but as soon as the heating plate is wetted by the liquid, the electrical power supplied to the heating plate is automatically increased until the liquid is completely evaporated. The heating plate is heated by one or more PTC thermistors in which the electrical resistance increases with temperature to automatically maintain the predetermined temperature. Besides evaporating liquid condensate, the heating device is described for use in many other applications including steam generation, space heating and plastic molding.
Owner:A T C T ADVANCED THERMAL CHIP TECH

Apparatus and method for applying coatings onto the interior surfaces of components and related structures produced therefrom

Provided is a methodology and system for applying coatings onto the interior surfaces of components. The approach comprises a vapor creation device (for example an electron beam or laser that evaporates a single or multiplicity of solid or liquid sources), a vacuum chamber having a moderate gas pressure (between about 10−4 to about 103 Torr) and a inert gas jet having controlled velocity and flow fields of gas jet. The gas jet is created by a rarefied, inert gas supersonic expansion through a nozzle. By controlling the carrier gas flow into a region upstream of the nozzle an upstream pressure is achieved (i.e. the gas pressure prior to its entrance into the processing chamber through the nozzle). The carrier gas flow and chamber pumping rate control the downstream (or chamber) pressure (i.e., downstream of the nozzle). The ratio of the upstream to downstream pressure along with the size and shape of the nozzle opening controls the speed of the gas entering the chamber. The carrier gas molecular weight (compared to that of the vapor) and the carrier gas speed controls its effectiveness in redirecting the vapor atoms via binary collisions towards the substrate. The speed and flux of the atoms entering the chamber, the nozzle parameters, and the operating chamber pressure can all vary leading to a wide range of accessible processing conditions. Vapor created from a source is transported into the interior regions of a component using binary collisions between the vapor and gas jet atoms. Under certain process conditions these collisions enable the vapor atoms to scatter onto the interior surfaces of the component and deposit.
Owner:UNIV OF VIRGINIA ALUMNI PATENTS FOUND

Solar selective coating having higher thermal stability useful for harnessing solar energy and a process for the preparation thereof

The present invention provides an improved solar selective multilayer coating having higher thermal stability and a process for the preparation thereof. Solar selective coatings having higher thermal stability are useful in solar steam generation, solar steam turbines to produce electricity and also on automobile engine components. In the present invention, a tandem stack of three layers of TiAlN, TiAlON and Si3N4 is deposited on metal and non-metal substrates at room temperature using a planar reactive direct current magnetron sputtering process. The first two layers function as the absorber and the third antireflection layer further enhances the coating's absorptance. The solar selective coatings were annealed in air and vacuum to test the thermal stability at different temperatures and durations. The coatings of the present invention deposited on copper substrates are stable in air up to a temperature of 625° C. for a duration of 2 hours and exhibit higher solar selectivity in the order of 9-10 and these coating also show no change in the absorptance and the emittance values even after vacuum annealing at 600° C. for 3 hours. Coatings deposited on copper substrates showed no significant degradation in the optical properties even after continuous heating in air at 525° C. for 50 hours. The solar selective coatings of the present invention exhibit high hardness, high oxidation resistance, chemical inertness and stable microstructure.
Owner:COUNCIL OF SCI & IND RES

Steam generation apparatus for washing machine

A steam generation apparatus for a washing machine includes: a case having an accommodating space for storing water; a heater disposed inside the case to heat the water stored in the case; and a heater overheating prevention unit for cutting off power of the heater when the heater is overheated above the set temperature, so that a fire and deflection of a case can be prevented by preventing overheating of the heater by cutting off power being supplied to the heater when the heater is overheated due to malfunctions of a water level sensor or a clogged spray nozzle or a clogged flow passage.
Owner:LG ELECTRONICS INC

Removal of scale and sludge in a steam generator of a fabric treatment appliance

A method of operating a fabric treatment appliance comprises a steam generation step and a steam generator cleaning step. In the steam generator cleaning step, a chamber of the steam generator can be flushed by introducing a volume of liquid into the chamber greater than the internal volume. The steam generator cleaning step can also involve thermally shocking scale formed within the chamber.
Owner:WHIRLPOOL CORP

All-weather energy and water production via steam-enhanced vortex tower

The large-scale green power, pure chilled, heated water and/or conditioned directed air are produced using wind, heat and vapor of the free humid air in the structured multi-unit space-saving vortex tower providing direct three-phase voltage induction with alternating magnetic whirl formed by pole radial self-orienting magnetic concentrators swirled via all-weather multi-step tornado-like flow supplementary energized, enhanced and controlled by a spatial system of fast directing and accelerating low-temperature steam jets injected through fleshing of recycled, separated and stored condensate slightly heated with any renewable, waste, secondary, or prime source of low-temperature heat, partly via combining with solar pond and heaters or/and geothermal media, or/and waste, secondary or initial heat of large thermal, atomic power plant or intensively energy consuming industry, reducing specific investment, energy and pure water costs, quality requirements, specific pollution and waste heat atmospheric injection, with possibilities of partial local weather corrections through conditioned directed waste tower air; a new sector with various directions can be widened, based on applying of the same principles of energizing, enhancement, control and usage of any kind of fast gaseous confined vortex flow via any kind of supplementary low-temperature steam
Owner:KAPLOUN SOLOMON

Reforming apparatus

A reforming apparatus for producing a reformed gas from a fuel gas and steam, including a reformed gas-producing passage and a combustion gas passage, the reformed gas-producing passage having reforming catalyst, shift catalyst, and CO-selective oxidizing catalyst sections along a flowing direction of the reformed gas, the reformed gas-producing passage having a first passage adjacent to the combustion gas passage and including the reforming catalyst section and a second passage adjacent to the first passage, the second passage including a first heat-recovering section adjacent to the reforming catalyst section, and the first passage having a second heat-recovering section adjacent to one of the shift catalyst and CO-selective oxidizing catalyst sections, the first heat-recovering section located on an upstream side along the flow direction of the reformed gas relative to the reforming catalyst section.
Owner:MATSUSHITA ELECTRIC WORKS LTD +1
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