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5861 results about "Water heating" patented technology
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Water heating is a heat transfer process that uses an energy source to heat water above its initial temperature. Typical domestic uses of hot water include cooking, cleaning, bathing, and space heating.
Concentrating solar roofing shingle
InactiveUS20050081909A1Reduce the amount requiredPrevent edgePhotovoltaic supportsSolar heating energyRoof tileEngineering
This invention describes a non-imaging, non-tracking, integrally-formed solar radiation concentrator that passively concentrates both diffuse and direct solar radiation onto photovoltaic cells to produce electricity, incorporating its features into a shingle-like element useful as a roofing material and in other structural applications. The substantially transparent, solar concentrating elements of the invention may also incorporate a system to remove waste energy in the form of heat that is not utilized in the generation of electricity. The invention further provides a thermal energy recovery system including a forced convection air system for removing waste heat from the concentrating shingle assembly and using it, if desired, for building space heat or domestic water heating.
Owner:STELLARIS
Frac water heating system and method for hydraulically fracturing a well
InactiveUS20140144641A1Safely and continuously heatingMaximize atomization and combustionInsulationFluid removalCombustion chamberFuel tank
The present invention overcomes many of the disadvantages of prior art mobile oil field heat exchange systems by providing an improved frac water heating system. The present invention is a self-contained unit which is easily transported to remote locations. In one embodiment, the present invention includes a single-pass tubular coil heat exchanger contained within a closed-bottom firebox having a forced-air combustion and cooling system. In another embodiment, the present invention includes multiple, single-pass heat exchanger units arranged in a vertically stacked configuration. The rig also includes integral fuel tanks, hydraulic and pneumatic systems for operating the rig at remote operations in all weather environments. In a preferred embodiment, the improved frac water heating system is used to heat water on-the-fly (i.e., directly from the supply source to the well head) to complete hydraulic fracturing operations. The present invention also includes systems for regulating and adjusting the fuel / air mixture within the firebox to maximize the combustion efficiency. The system includes a novel hood opening mechanism attached to the exhaust stack of the firebox.
Owner:CHANDLER RONALD L
Solid state light fixture with cooling system with heat rejection management
ActiveUS8651704B1Increase operating powerReduce in quantityPlanar light sourcesMechanical apparatusSemiconductor materialsElectrical battery
Systems and methods for solid-state light source heat management are provided. A solid-state light source, e.g. having one or more LEDs, can be mounted within an enclosure. In some embodiments, a heat sink associated with semiconductor material and / or power electronics can be placed on a separate side of the enclosure that is thermally insulated or separated from the state-light source. The enclosure can include a first side or portion that allows light from the solid-state-light source (e.g., LEDs) to pass through to a target area. A fluid transfer conduit may be connected to the second side or portion of the enclosure for passing a fluid (e.g., air, water, coolant, etc.) across the heat sink to transport heat generated by the power electronics and / or semiconductor material away. The heated fluid can then be routed to, as examples, an HVAC system, a vent, water heating systems, heat exchanger systems, and / or storage systems (e.g., batteries).
Owner:MUSCO
Integrated ventilation cooling system
InactiveUS20020124992A1Reduce energy useEasy temperature controlDucting arrangementsMechanical apparatusIndoor air qualityAir handler
A system and method for cooling and heating of buildings consisting of an integrated assembly of devices, including a variable speed air handler, hot water heating coil, outside air damper, controller, and optional compressor-based air conditioner. During summer the system utilizes nighttime outside air for cooling and uses air temperature predictions to provide information about optimal control settings and to maintain comfort. During winter the system varies airflow with heating demand and ventilates with outside air to maintain indoor air quality.
Owner:NIGHTBREEZE
Unit solar energy heat pump air conditioner and hot water system
InactiveCN1515850AImprove efficiencyImprove heat pump coefficient of performanceHeat pumpsEfficient regulation technologiesWater storage tankEngineering
The present invention relates to a directly-expanded type solar heat pump air conditioning and water-heating system, the directly-expanded type solar heat pump and ice cold-storage air conditioner are combined organically, and it is mainly formed from solar heat collector / evaporator, compressor, condenser, electronic expansion valve, four-way reverse valve, heat water storage tank, hot water tank, air conditioner tail end cover and system control component. The solar heat collector / evaporator adopts the plate type heat collector which has no cover plate and whose bottom is heat insulated and whose surface is coated with solar spectrum absorbing material, and the energy storage device adopts a closed pressure-bearing heat storage water tank whose interior is equipped with high-effective heat exchange equipment which can store heat in winter and can store ice in summer.
Owner:SHANGHAI JIAO TONG UNIV
Heat pump water heater and associated control system
ActiveUS20110058795A1Maintain water temperatureDomestic stoves or rangesElectric heatingControl systemEngineering
A heat pump water heater has a tank portion, an electric heating structure for adding electrical heat to water stored in the tank, and a heat pump for adding refrigerant heat to the tank water. A control system associated with the water heater has three user-selectable heating modes for heating the tank water during a given heating demand cycle—a first mode that initially heats the tank water with refrigerant heat while the electric heat is locked out for a first predetermined period before supplementing the refrigerant heat if necessary, a second mode similar to the first mode but with a longer electric heat lockout period, and a third mode in which only the electric heat is utilized to satisfy a tank water heating demand. Illustratively, the heat pump is disposed in a compact component arrangement on the top end of the water heater tank.
Owner:RHEEM MFG CO
System and method for hydronic space heating with electrical power generation
ActiveUS20050161521A1Easy to useMaximizing run timeInternal combustion piston enginesWaste gas energyCogenerationEngineering
This invention provides a system and method for cogeneration of electric power and building heat that efficiently interfaces a liquid-cooled electric power generator with a multi-zone forced hot water (hydronic) space heating system. The system and method utilizes an electric generator with an electric output capacity (kW) that is near the time-averaged electric power consumption rate for the building and with a heat generation capacity that is useful for meeting building heating needs. This generator is operated as the priority source of heat for the building, but normally only when there is a demand for heat in building, with the intent of running the generator for long periods of time and generating a total amount of electric energy (kWhs) that is significant in comparison to the total electric energy consumption of the building over time. The actual onsite time-variable power demand (kW) is met by a combination of the cogenerated electric power produced on site and quantities of electric power from the public electric power grid or another external power source. Hence, useful electric power is generated on site as a by-product of the required generation of heat for space or water heating. The generator is run at a speed / operating condition that is appropriate to maintaining a long operational life.
Owner:CLIMATE ENERGY
Integrated ventilation cooling system
InactiveUS7398821B2Compromise safetyEliminate needDucting arrangementsMechanical apparatusIndoor air qualityAir handler
A system and method for cooling and heating of buildings comprising an integrated assembly of devices, including a variable speed air handler, hot water heating coil, outside air damper, controller, and optional compressor-based air conditioner. During the summer the system utilizes nighttime outside air for cooling and uses air temperature predictions to provide information about optimal control settings and to maintain comfort. During the winter the system varies airflow with heating demand and ventilates with outside air to maintain indoor air quality.
Owner:NIGHTBREEZE
System and method for preventing overheating of water within a water heater tank
A water heating system has a tank, a first heating element, a first temperature sensor, and a controller. The first heating element is mounted on the tank, and the controller is electrically coupled to the first temperature sensor. The controller is configured to detect a stacking condition based on the first temperature sensor and to disable the first heating element in response to detection of the stacking condition.
Owner:A O SMITH
System and method for hydronic space heating with electrical power generation
ActiveUS7284709B2Minimizing starting and stoppingMaximizing run timeInternal combustion piston enginesGas turbine plantsCogenerationElectric generator
This invention provides a system and method for cogeneration of electric power and building heat that efficiently interfaces a liquid-cooled electric power generator with a multi-zone forced hot water (hydronic) space heating system. The system and method utilizes an electric generator with an electric output capacity (kW) that is near the time-averaged electric power consumption rate for the building and with a heat generation capacity that is useful for meeting building heating needs. This generator is operated as the priority source of heat for the building, but normally only when there is a demand for heat in building, with the intent of running the generator for long periods of time and generating a total amount of electric energy (kWhs) that is significant in comparison to the total electric energy consumption of the building over time. The actual onsite time-variable power demand (kW) is met by a combination of the cogenerated electric power produced on site and quantities of electric power from the public electric power grid or another external power source. Hence, useful electric power is generated on site as a by-product of the required generation of heat for space or water heating. The generator is run at a speed / operating condition that is appropriate to maintaining a long operational life.
Owner:CLIMATE ENERGY
Electric vehicle thermal management system and control method thereof
ActiveCN106183789AAchieve mutual integrationExtend your lifeAir-treating devicesCell temperature controlElectrical batteryElectric cars
The invention provides an electric vehicle thermal management system comprising a motor cooling system, a battery thermal management system and an air conditioning system; the motor cooling system comprises a motor system radiator, a motor, a motor controller, a charger, a DCDC, and a motor water pump; the battery thermal management system comprises a battery system radiator, a cell pack, a heat exchanger, a water heating heater, and a battery water pump; the air conditioning system is a heat pump type air conditioner with an air heating PTC. The electric vehicle thermal management system can cool down the motor system, the battery system and a passenger cabin when the environment temperature is high, can heat up the cell pack and the passenger cabin when the temperature is low, thus satisfying high demands on usage temperature of the motor system and battery system, and improving motor system and battery system life and efficiency.
Owner:CHINA FIRST AUTOMOBILE
Water heating control and storage system
ActiveUS20110123179A1Reduce operating costsReduce the temperatureHeat storage plantsTemperatue controlThermal limitEngineering
A water heating control and storage system, including an insulated tank for containing water to be heated. The tank has at least two heating elements, including an upper heating element and a lower heating element. An operation control device receives a demand response signal and enables each element to independently heat water for usage. A method for controlling a water heating storage system includes providing an insulated tank for containing water to be heated; providing an upper heating element with a thermostat and thermal limiting device and a lower heating element with a thermostat and thermal limiting device to heat upper and lower portions of water inside the tank; and providing a pair of switches for enabling each of the heating elements to independently heat upper and lower portions of the water for usage.
Owner:HAIER US APPLIANCE SOLUTIONS INC
Energy efficient heat pump systems for water heating and airconditioning
InactiveUS20050109490A1Condenser temperatureReduce the temperatureHeat pumpsHeat recovery systemsEngineeringAir conditioning
A heat pump system for providing water heating and air conditioning, comprising one or more compressors for circulating a refrigerant in the system, a hot water tank having a heat exchanger for heating and storing the hot water, an outdoor heat exchanger and a fan for rejecting or extracting heat to or from the outdoor environment in air cooling, or water heating and / or air heating modes of operation respectively, an indoor heat exchanger with a fan for conditioning and supplying air to an indoor space. The system is particularly suitable in applications which require water heating and house cooling all year round. The system may also be adapted to other situations such as year-round water heating with seasonal air cooling, or year-round water heating with seasonal air cooling and heating, etc., and used for different applications, e.g., space heating and cooling simultaneously.
Owner:QUANTUM ENERGY TECH
Adaptive heating control system for a water heater
ActiveUS20140229022A1Reduce delaysReduce wasteHeating fuelLighting and heating apparatusControl systemEngineering
Owner:INTELLIHOT
Refrigerant System With Water Heating
InactiveUS20080197206A1Improved refrigerant charge controlCentral heating with accumulated heatDesuperheatersCharge controlEngineering
A heat pump system (10) includes a compressor (20), a reversing valve (30), an outdoor heat exchanger (40) and an indoor heat exchanger (50) coupled via refrigerant lines (35, 45) in a conventional refrigeration circuit, and a refrigerant-to-water heat exchanger (60). In the air cooling with water heating mode, the air heating with water heating mode and the water heating only mode, water from a water reservoir (64), such as a storage tank or swimming pool, is passed through heat exchanger (60) in heat exchange relationship with refrigerant passing through an additional refrigerant line (27) that establishes a fluid flow path through the heat exchanger (60) into the refrigerant circuit intermediate the outdoor heat exchanger (40) and indoor heat exchanger (50). A refrigerant reservoir (70) may be provided for use in refrigerant charge control.
Owner:CARRIER CORP
Water Manifold System And Method
InactiveUS20080276998A1Easily in buildingImprove scalabilityLighting and heating apparatusDomestic plumbingChlorinated polyvinyl chlorideEngineering
A system for distributing water within a building operates to distribute water from a pressurized water supply source to devices that receive water, such as faucets, toilets, showers, sprinklers, and hot water heating devices. The system includes at least one manifold which may be of unitary molded plastic construction and comprised of chlorinated polyvinyl chloride (CPVC). The manifold includes an entry port and a plurality of outlet ports which are also referred to as sockets. The sockets are configured to receive fitting inserts of various types that include water line connectors. The sockets are also configured to accept standard plastic water conduits therein in cemented relation. The water line connectors may include metallic connectors such as barbed fittings, which can be used to connect the manifold and crosslinked polyethylene (PEX) pipe in nonthreaded relation. Manifolds may be connected together to provide suitable distribution arrangements.
Owner:LUBRIZOL ADVANCED MATERIALS INC
Instant Hot Water Delivery System
InactiveUS20090211644A1Efficiently heating waterReduce energy consumptionValve members for heating/coolingPipe heating/coolingEngineeringThermal water
An instant hot water delivery system for efficiently heating water when necessary to provide instant hot water to a faucet. The instant hot water delivery system generally includes a water heater including an inlet and an outlet, a cold water supply line introducing cold water into the inlet, a hot water supply line connecting the outlet to a faucet and a recirculation line connected to the hot water supply downstream of the outlet and the cold water supply line upstream of the inlet. The recirculation line forms a first recirculation loop for water within the water heater to flow during a first water heating process. A recirculation pump is connected to the cold water supply line between the local recirculation line and the inlet for circulating the water during the water heating process.
Owner:WYLIE JACOB E +1
Heat pump system and controls
InactiveUS20080098760A1Improve the heating effectEasy transferCompression machines with non-reversible cycleEvaporators/condensersForced-airEngineering
A heat pump system is disclosed that utilizes one or two compressors and multiple heat exchangers to provide forced air heating, radiant heating and / or water heating for an interior space. A controller directs energy to these multiple system outputs to provide maximum comfort, effectively utilize any excess energy, address fluctuations in energy output, prevent unsafe operating conditions and avoid intermittent compressor operation. The system may provide energy for a water heater in both heating and cooling mode, and control operation of the water heater to utilize system energy whenever possible and avoid use of a conventional water heater heating element. Load Management Control is also provided so that the system may be shut down remotely by a utility company.
Owner:ELECTRO IND
All-weather energy and water production via steam-enhanced vortex tower
InactiveUS6943461B2Improve pressure resistanceQuickly saturateWind motor with solar radiationEngine fuctionsWater productionEngineering
Owner:KAPLOUN SOLOMON
Control for a tankless water heater used with a solar water heating system
InactiveUS20120060827A1Eliminates needless cyclingReduce energy consumptionSolar heating energySolar heat devicesTime delaysWater storage tank
A tankless water heating auxiliary system for a solar water heating system, includes a solar collector; a tankless water heater auxiliary system; an insulated water storage tank storing the potable water; a heat exchange system for heating stored water; and piping for connecting the collector, the storage tank and the heat exchanger in fluid communication. A first sensor is connected to and located adjacent the storage tank for sensing the temperature of the stored water at an outlet of the tank. A method for controlling initiation of heating in a tankless water heater auxiliary system, includes monitoring operation of a tankless water heater; measuring water flow using a water flow sensor to determine if water flow rate exceeds a use determined flow rate; implementing a control time delay into the tankless water heater to purge water from the heater and sense the inlet water supply temperature; measuring the water temperature using a heat exchanger outgoing thermistor; comparing the temperature measured by the thermistor to a predetermined temperature; and initiating a combustion sequence if the temperature measured by the outgoing themistor is less than the predetermined temperature.
Owner:GENERAL ELECTRIC CO
Bulk curer heat supply and ventilation system supplied by combined solar energy-air source heat pump double heat sources
InactiveCN101711599AAchieve loss reduction and value addedReduce consumptionTobacco preparationSolar heat devicesThermal energyAtmospheric air
The invention discloses a bulk curer heat supply and ventilation system supplied by combined solar energy-air source heat pump double heat sources, which consists of a solar water heating subsystem, an air source heat pump water heating subsystem, an air-water heat exchanger, a frequency conversion circulating water pump, a heat insulating hot water pipeline, a main controller, a circulating fan, an air supply pipe, a fresh air valve and a curer wet air outlet. A condenser of the air source heat pump water heating subsystem is arranged in a heat accumulating water tank; the air source heat pump water heating subsystem is coupled with the solar water heating subsystem through the heat accumulating water tank; and the air source heat pump water heating subsystem adopts a CO2 high temperature refrigerant to prepare high temperature hot water between 85 and 90DEG C. The bulk curer heat supply and ventilation system adopts the solar water heating system and the air source heat pump water heating system, which are combined to operate, to supply heat to the curer, fully utilizes the clean solar energy and low-grade heat energy in the atmosphere, has the advantages of energy conservation, environmental protection and the like, and can realize loss minimization and value addition in the process of curing tobacco leaves.
Owner:KUNMING UNIV OF SCI & TECH
PV water heating system
InactiveUS20090214195A1Improve efficiencyCentral heating with accumulated heatCentral heating storage tanksElectrical resistance and conductanceControl circuit
A system for heating water includes a first tank, a solar panel, a control circuit, and a second tank for receiving water from the first tank. There is a first resistive heating element in the first tank and a second resistive heating element in the second tank. The control circuit couples power from the solar panel to the second resistive heating element unless the water in the second tank is at a preset maximum temperature, then the control circuit couples power to the first resistive heating element. If the water in the second tank is below a preset maximum temperature and above a preset minimum temperature, then the control circuit couples power from the solar panel to both the first heater element and the second heater element. If the temperature of the water in the second tank is below a preset minimum temperature, then the control circuit turns on conventional heating means in the second tank. Water is withdrawn from the second tank for use.
Owner:THOMASSON SAMUEL L
Heat pump system having auxiliary water heating and heat exchanger bypass
A heat pump system (10) includes a compressor (20), a reversing valve (30), an outdoor heat exchanger (40) and an indoor heat exchanger (50) coupled via refrigerant lines (35, 45, 55) in a conventional refrigeration circuit, a refrigerant to liquid heat exchanger (60), a refrigerant to liquid heat exchanger bypass valve (130), an outdoor heat exchanger bypass valve (230), and an indoor heat exchanger bypass valve (330). A controller (100) is provided to selectively control the respective positioning of the valves (30, 130, 230 and 330) between their respective open and closed positions so as to selectively configure the refrigerant circuit for operation in one of an air cooling only mode, an air cooling with liquid heating mode, an air heating only mode, an air heating with liquid heating mode, and a liquid heating only mode.
Owner:CARRIER CORP
Heavy oil catalytic cracking catalyst
The invention provides a catalytic cracking catalyst, comprising 10-50wt% of REY-typed molecular sieve, 10-40wt% of inorganic oxide adhesive and 10-70wt% of clay; wherein, the REY molecular sieve is prepared by the method as follows: NaY molecular sieve is contacted with water solution of rare earth ion or water solution of rare earth ion and solution of Al iron or colloid, and then contacted with additional precipitator so as to lead part rare earth to be deposited on the molecular sieve; subsequently, water heating disposal is carried out, finally, the deposition is contacted with ammonium solution; wherein, the precipitator is alkaline aqueous solution. The catalyst is used for hydrocarbon oil cracking, has strong heavy oil cracking capability, high gasoline yield and better Vr pollution resistance capability.
Owner:CHINA PETROLEUM & CHEM CORP +1
Senor diagnostic for determining water heater health status
A method and apparatus for determining a health status of a water heating device is disclosed. The water heating device may have a controller that incorporates logic to regulate the heater responsive to water temperatures detected at different areas within the water heating device by first and second sensors. Unfortunately, the first and second sensors may fail. To detect fault conditions or otherwise determine the heath status of the water heating device, a logic unit in the controller may perform a test on the first and / or second sensors so as to provide a test output. The logic unit may also determine whether the test output satisfies one or more predetermined thresholds. These predetermined thresholds may be indicative of a properly-functioning sensor. When the test output does not satisfy the at least one predetermined threshold, the logic unit may then set a fault condition indicative of improperly functioning sensors.
Owner:ADEMCO INC
Apparatus and methods for heating water with refrigerant from air conditioning system
An apparatus for heating water has a tank for storing water and an air conditioning system that defines a refrigerant flow path through which refrigerant flows. The refrigerant flow path passes through the heat exchanger so that refrigerant heat is contributed to the tank. A control system controls operation of the water heating apparatus.
Owner:RHEEM MFG CO
Fluid delivery system for generating pressurized hot water pulses
Apparatus for generating and delivering a pressurized hot water pulse to a brewing station comprises a water inlet adapted to close during delivering the pulse, an outlet for the pulse, a generator comprising a water heating chamber for receiving a amount of water via the inlet and for heating the water therein to produce sufficiently hot water for the brewing station, a pressurization chamber for vaporizing water to generate pressurized steam to deliver the hot water as a pressurized hot water pulse to the brewing station through the outlet, and a heating system for the heating and the vaporization of the water in said pulse generator. The chamber has a first end adapted to receive pressurized steam and a second end close to the hot water intake port of the inlet. The pressurization chamber is adapted to provide pressurized steam to the first end of the heating chamber in such a manner that substantially no interaction occurs between the pressurized steam and the hot water between the first and second ends of the heating chamber, thereby substantially preventing the overheating of the hot water by the pressurized steam. The pulse generator is adapted to cause water to flow into the pressurization chamber from the water heating chamber or inlet for the generation of the pressurized steam.
Owner:HOUSEHOLD TECH GROUP
Low temperature solar energy-biomass energy combined heat and power system
InactiveCN101949369ARealize heatingReduce generationSolar heating energyFrom solar energyOrganic Rankine cycleEngineering
The invention relates to a low temperature solar energy-biomass energy combined heat and power system and a generating process. The system comprises a heat transfer fluid (such as heat transfer oil, ionic liquid, and water) circulation loop, a working medium circulation loop of an organic Rankine cycle, a heating furnace smoke discharge pipeline, a hot water heating loop and a cooling water loop. A heating furnace is used for supplementing heat for the heat transfer fluid or used as a standby heat source, and the heating surface uses dimethyl ether, heavy oil, biomass or low-grade cheap fuel made from the biomass; propane (R290), pentafluoropropane (R245fa) and the like are used as circulation working media; the exhaust heat regeneration quantity of the organic Rankine cycle can be adjusted according to the heating demand of a user; and a solar concentrator of the system is a solar concentration and waste heat recovery integrated vacuum flat-plate concentrator with a heat regenerating measure at the bottom, and the waste heat of exhaust smoke of the heating furnace can be recovered while fully using solar energy. The system can directly and efficiently convert a large quantity of low-grade biomass fuel and low-density solar energy into electric energy and supplies heat to users at the same time.
Owner:KUNMING UNIV OF SCI & TECH
Method of controlling a carbon dioxide heat pump water heating system
InactiveUS7010925B2Improve system efficiencyReduce maintenanceCompression machines with non-reversible cycleEvaporators/condensersMonitoring systemEngineering
A method of detecting and diagnosing operating conditions for a heat pump water heating system includes the steps of monitoring system operating conditions and comparing actual operating conditions to predicted operating conditions. The predicted operating conditions are based on expected pressures and temperatures given current system inputs. A difference between the actual and expected values for refrigerant pressures and temperature outside a desired range provides indication of a fault in the system. The system controller initiates a prompt to alert of the need for maintenance and direct to potential causes.
Owner:CARRIER CORP
Use of exogenous gasoues nitric oxide in the treatment and disinfection of biofilms
ActiveUS20060068031A1Eliminates pump starvationBiocideInorganic active ingredientsProtozoaNitric oxide gas
Owner:BEYOND AIR LTD
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