2457results about "Storage heaters" patented technology

There is herein described energy storage systems. More particularly, there is herein described thermal energy storage systems and use of energy storable material such as phase change material in the provision of heating and / or cooling systems in, for example, domestic dwellings.

A method of thermal management for a thermal management system in a vehicle includes the steps of selecting a thermal management function. The method also includes the steps of adjusting a temperature within the thermal management system using the thermal management function and using the adjusted temperature within the thermal management system to control a temperature within an occupant compartment of the vehicle.

A heater that may include an outer housing and an inner tube is provided. The inner tube is in a coaxial relation to and within the outer housing. An inward facing surface of the inner tube defines a volume sufficient to receive a reaction capsule, and the outward facing surface is radially spaced from an inward facing surface of the outer housing sufficient to define a gap. A filler material is disposed within the gap. The filler material responds to pressure such that the filler volume is reduced by less than 5 volume percent at greater than 500 MPa pressure and at greater than 500° C. temperature. One or more heating elements are disposed in the gap. The heating elements are in thermal communication with the inner tube.

A system and method are provided for thermoelectric energy storage. A thermoelectric energy storage system having at least one hot storage unit is provided. In an exemplary embodiment, each hot storage unit includes a hot tank and a cold tank connected via a heat exchanger and containing a thermal storage medium. The thermoelectric energy storage system also includes a working fluid circuit for circulating working fluid through each heat exchanger for heat transfer with the thermal storage medium. Improved roundtrip efficiency is achieved by minimizing the temperature difference between the working fluid and the thermal storage medium in each heat exchanger during heat transfer. Exemplary embodiments realize this improved roundtrip efficiency through modification of thermal storage media parameters.

A thermal reservoir for a two-pipe hydronic air-conditioning system is disclosed. Said thermal reservoir includes a well-insulated tank for alternatively storing hot and cold water. Said thermal reservoir contains plurality of valves for directing hot water stored therein into the two-pipe hydronic air-conditioning system, thereby causing cold water within the two-pipe hydronic air-conditioning system to be displaced therefrom and into well insulated storage tank. Said process is fully reversible in that cold water displaced from the two-pipe hydronic air-condition system into said thermal reservoir may be subsequently directed from the thermal reservoir and restored to the two-pipe hydronic air-conditioning system and hot water therefrom directed back into storage. Accordingly a two-pipe hydronic air-conditioning system may be switched between heating and cooling modes with rapidity and without waste of the energy content of said hot water and said cold water.

Systems, methods, and computer-implemented embodiments consistent with the inventions herein are directed to storing and / or transferring heat. In one exemplary implementation, there is provided a system for transferring / storing heat comprised of a heat exchange / storage apparatus including a chamber, and a heat input device adapted to heat / provide a vapor into the chamber. Other exemplary implementations may include one or more features consistent with a heat output device through which a working medium / fluid passes, a thermal storage medium located within the chamber, and / or a heat exchange system that delivers a heat exchange medium / fluid to the thermal storage medium.

A heated delivery system for pizza and the like including a thermally insulated receptacle, an electrical resistance heating unit having a heat storing shell molded from thermosetting resin, and an electrical resistance heating member within the shell, the member having the capacity of being heated and maintained at a desired temperature. The heating member may be silicone rubber containing resistance heating elements, and its temperature may be regulated by a suitable temperature control, such as a thermostat or other means.

A thermal energy storage material (TESM) system (and associated methods) that reproducibly stores and recovers latent heat comprising i) at least one first metal containing material including at least one first metal compound that includes a nitrate ion, a nitrite ion, or both; ii) at least one second metal containing material including at least one second metal compound; and iii) optionally including water, wherein the water concentration if any is present is less than about 10 wt. %; wherein the TESM has a liquidus temperature, TL, from about 100° C. to about 250° C.; and wherein the TESM exhibits a heat storage density from 300° C. to 80° C. of at least about 1 MJ / l; so that upon being used in a system that generates heat, at least a portion of the heat is captured and stored by the TESM and subsequently released for use, and the system is generally resistant to corrosion at temperatures of about 300° C.

The invention relates to a heat exchange system for high temperature heat of a plant, in particular to an oil refining plant high-temperature heat integration system designed for using high-temperature mass flow heat. The system is characterized in that three independent heat source devices are connected through thermal medium pipes and heat-conducting oil in the thermal medium pipes are used as a heat-transfer medium to form heat integration, so as to collect and use high-temperature heat. Compared with the prior art, the system optimizes a heat exchange network, saves fuel gases and steam in a reboiler at the tower bottom, reduces energy consumption of equipment, lowers oil refining cost and improves economic benefits.

An active thermal energy storage system is disclosed which uses an energy storage material that is stable at atmospheric pressure and temperature and has a melting point higher than 32 degrees F. This energy storage material is held within a storage tank and used as an energy storage source, from which a heat transfer system (e.g., a heat pump) can draw to provide heating of residential or commercial buildings and associated hot water. The energy storage material may also accept waste heat from a conventional air conditioning loop, and may store such heat until needed. The system may be supplemented by a solar panel system that can be used to collect energy during daylight hours, storing the collected energy in the energy storage material. The stored energy may then be used during the evening hours to heat recirculation air for a building in which the system is installed.

A pizza oven that has an air curtain or air wash along the bottom of the cooking stones that reduces heat transfer from the burners to the stones during idle modes to thereby prevent over heating and burning of pizza bottoms during an ensuing cooking mode. The heating stones are situated on a plurality of bosses that extend from a base plate disposed between the burner flame and the stones. The air curtain extends along a gap between the bottom surface of the stones and the upper surface of the base plate.

Described is a modular thermal energy transfer system. The modular thermal energy transfer system includes a plurality of modular thermal units, each modular thermal unit having a thermal retainer with a conditioning pipe and a usable fluid pipe disposed therein. The conditioning pipes are in fluidic communication with one another, and the usable fluid pipes are in fluidic communication with one another. The conditioning pipes are adapted to carry a conditioning fluid therethrough and to allow transfer of thermal energy between the thermal retainers and the conditioning fluid. The usable fluid pipes are adapted to carry a usable fluid therethrough and to allow the transfer of thermal energy between the thermal retainers and the usable fluid. The various thermal retainers of the modular thermal units are configured to be positionable proximate one another such that thermal energy is transferable between substantially adjacent thermal retainers.

A thermal storage unit having at least one conduit around which a cast is made is provided. The thermal storage unit uses conventional piping or tubing to create conduits that economically maximize the surface area of flow in contact with the thermal mass by proving multiple passes for the fluid through the cast. This enables the thermal storage unit to economically provide heat storage as well as effective heat delivery and pressure containment for a fluid flowing through the conduit.

A thermal storage unit having at least one conduit around which a cast is made is provided. The thermal storage unit uses conventional piping or tubing to create conduits that economically maximize the surface area of flow in contact with the thermal mass by proving multiple passes for the fluid through the cast. This enables the thermal storage unit to economically provide heat storage as well as effective heat delivery and pressure containment for a fluid flowing through the conduit.

A heat-storage object which can be formed in a desired shape, has a high heat-storage material content and hence excellent heat-storage property, undergoes no leakage with time despite the high heat-storage material content, and even when subjected to processing such as cutting or punching, does not undergoes leakage through the cut surface or hole, and has excellent processability, as well as a composition for heat-storage object formation, and a process for producing the same. The heat-storage object comprises fine particles of an organic latent heat-storage material (a), the particles having been fixed with a binder (c). It is produced by mixing a composition for heat-storage object formation containing an organic latent heat-storage material (a), a nonionic surfactant (b) and a compound (c-1) having reactive functional group, with a compound (c-2) having a second reactive functional group reactive with the reactive functional group, dispersing the organic latent heat-storage material (a) in a colloidal state, reacting the component (c-1) with the component (c-2) to form a binder (c), and fixing the organic latent heat-storage material (a) in the form of fine particles with the binder (c).

An active thermal energy storage system is disclosed which uses an energy storage material that is stable at atmospheric pressure and temperature and has a melting point higher than 32 degrees F. This energy storage material is held within a storage tank and used as an energy storage source, from which a heat transfer system (e.g., a heat pump) can draw to provide heating of residential or commercial buildings and associated hot water. The energy storage material may also accept waste heat from a conventional air conditioning loop, and may store such heat until needed. The system may be supplemented by a solar panel system that can be used to collect energy during daylight hours, storing the collected energy in the energy storage material. The stored energy may then be used during the evening hours to heat recirculation air for a building in which the system is installed.

The objective of the present invention is to provide a system which allows efficient air-conditioning heat recovery during ventilation and is applicable to ordinary housing. In order to achieve the above objective, a central ventilation fan 110 is connected to a heat exchanger 120 via a ventilation pipe. Air collected in the central ventilation fan 110 is emitted via the heat exchanger 120 from a device after recovering heat from heated exhaust air from each room by the heat exchanger 120. On the other hand, the heat exchanger 120 is connected to a tank 130 via a water suction / drainage pipe. Water drawn up from the tank 130 by a pump 140 is heated by the heat exchanger 120 and then returned to the tank 130 again. The heat exchanger 120 uses the Peltier device to cool the exhaust air from the central ventilation fan 110, and heat water in the tank 130 at the same time, thereby efficiently transferring air heat from each room to water. Efficient transfer of heat using the Peltier device allows a higher temperature of the water from the heat exchanger than the exhaust air temperature.

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.

A thermal energy storage (“TES”) device including a vessel housing a continuous volume of a TES media, an input portion, an output portion, and a plurality of thermal energy transport members connected to the input portion and / or the output portion. The input portion receives thermal energy from a thermal energy source. The received thermal energy is transported by one or more of the thermal energy transport members to the output portion and / or the TES media for storage. One or more of the thermal energy transport members connected to the output portion transport stored thermal energy from the TES media to the output portion. The output portion is coupled to an external device, such as a Stirling engine, and configured to transfer thermal energy the external device. Optionally, selected ones of the thermal energy transport members connected to both the input and output portions may be insulated from the TES media.

Systems, methods, and computer-implemented embodiments consistent with the inventions herein are directed to storing and / or transferring heat. In one exemplary implementation, there is provided a system for transferring / storing heat comprised of a heat exchange / storage apparatus including a chamber, and a heat input device adapted to heat / provide a vapor into the chamber. Other exemplary implementations may include one or more features consistent with a heat output device through which a working medium / fluid passes, a thermal storage medium located within the chamber, and / or a heat exchange system that delivers a heat exchange medium / fluid to the thermal storage medium.

Methods and systems for heating a thermal storage unit (TSU) are provided. A thermal storage system is provided that includes a system of heaters removably disposed at least partially within the TSU, a control system for adjusting power provided to the heaters, and a removal tool for removing one or more of the heaters from the TSU when the TSU is still hot. The thermal storage system may be used in a thermal and compressed air storage system for backup power applications.

The present invention provides self-heating apparatuses and methods of heating using an aqueous solution and a solid chemical reactant mixture. The solid chemical reactant mixture may include magnesium chloride, calcium chloride, and / or calcium oxide.

The invention provides an overheat detecting electric water heater which comprises a controller, an electric heating device and a water box, wherein the electric heating device is arranged in the water box; an electric heater comprises a left tube box, a right tube box and a heat exchange tube for communicating the left tube box with the right tube box; the electric heater is arranged in the left tube box and / or the right tube box; the heat exchange tube, the left tube box and the right tube box form a heating fluid closed cycle; a pressure sensor is also arranged on the electric heating device, and is used for detecting pressure in the electric heating device; the electric heating device and the pressure sensor are connected with the controller in a data manner; the controller judges whether a temperature is overheated or not according to the detected pressure to automatically control the running of the electric water heater; the controller is connected with a cloud server; the cloud server is connected with a water heater client, wherein the controller transmits measured pressure data to the cloud server, and afterwards, transmits the measured pressure data to the client through the cloud server; the client is a mobile phone; an APP program is installed in the mobile phone; a user can obtain the pressure data through the client. The intelligent overheat detecting electric water heater can intelligently detect the overheat of a heating device of a water heater, moreover, carries out intelligent control, and improves safety.

A compact heat battery (CHB) may comprise a casing, a tube containment sheath, a bundle of hermetically sealed phase change material (PCM) encapsulation tubes, and encapsulation tube inserts. An insulation envelope and insulation shield may be positioned radially outward from the casing. As an alternative the casing, insulation, and insulation shield can be integrated into a double-walled vacuum cylinder. The cylindrical containment sheath can open and close along a split-seam in response to radial expansion of the tubes. The natural packing of the encapsulation tubes within the containment sheath can distribute a heat transfer fluid through the interstitial spaces between the encapsulation tubes. Floating baffle plates provide for axial containment and expansion of the encapsulation tube bundle. The CHB of the present invention can allow for increased tube density, providing increased heat absorption and decreased CHB dimensions. The encapsulation tube inserts can provide slip planes to reduce expansive loading of the encapsulation tube walls during solid phase transition.

The invention comprises a Thermal Energy Module comprising a tank adapted to hold water or other heat transfer medium (such as water), a water loop for introducing the heat transfer medium and removing the heat transfer medium, and a refrigeration loop comprising a heat exchanger further comprised of an inlet manifold, a heat transfer structure (such as a micro channel or pipe-in-plate panel) and an outlet manifold wherein the heat exchanger is adapted to transfer thermal energy between the heat transfer structure and the heat transfer medium. The Thermal energy Module may be utilized as a component of a heating and cooling system. Such a Thermal Energy Module may be used to store thermal energy during the day and return it during the evening. Additionally, such a Thermal Energy Module may be implemented as an array of such modules and such array of modules may be adapted to fit within the walls of a building or structure.

A single use multi-layered food service product such as paper cups, food containers, or sleeves constructed of materials including at least one phase changing material (PCM) with one or more additives to produce a thermal conductivity ratio of at least 2.0 W / mK and a melting point between 45 degrees C. and 80 degrees C. An inventive pattern for the placement and distribution of the PCM within its multilayered walls is described. The PCM is configured in order to minimize manufacturing cost and environmental impact while providing insulation and maximizing its ability to rapidly reduce and then maintain a safe and preferred temperature for served food or beverages.