95results about "Central heating storage tanks" patented technology

A system includes: a heat generator obtaining heat from a heat source and having a generator outlet port and a generator return port; a central heating circuit having a heating feed port and a heating return port; a tank having a top portion and a bottom portion, the tank containing a heat storing medium; a first tapping coil immersed in the heat storing medium in the bottom portion of the tank; and a second tapping coil immersed in the heat storing medium in the top portion of the tank The heat generator, second tapping coil, central heating circuit, and first tapping coil are fluidly connected in series to allow fluid to flow from the heat generator via at least one of the second tapping coil, the central heating circuit, and the first tapping coil back to the heat generator The system includes first, second and third three-way valves.

Water heating device (1) comprising: - a tank (2); - a heating module (5) comprising a heat pump (6), comprising a heating heat exchanger and a second heat exchanger (7), the second heat exchanger (7) being on a base (8) and extending in a plane (V) perpendicular to the base (8); - an extraction module (15) mounted on the base (8) and creating a flow through the second heat exchanger (7); the extraction module (15) comprising a filter (30) on the casing (16) positioned across the flow between the inlet (22) and the second heat exchanger (7), the filter (30) being removable from the casing (16) so as to allow the mounting and dismounting of the filter (30), the filter (30) having at least one non-zero curvature when mounted on the casing (16).

The present invention relates to a hot water supply tank. A hot water supply tank, according to an embodiment of the present invention, comprises: a storage part which accommodates a fluid therein; an internal water outlet pipe through which a fluid flows from the storage part toward a heat pump; an internal water supply pipe through which the fluid flows from the heat pump toward the storage part; and an internal pipe which is disposed inside the storage part, wherein the internal pipe includes: a connection pipe which is connected to the internal water supply pipe, and at least a part of which is flexible; and a discharge pipe which has one end connected to the connection pipe and extending long, wherein a pipe through hole passing through the discharge pipe may be formed at the other end of the discharge pipe. Various other embodiments are possible.

Thermodynamic water heater and water heating method implementing it The invention relates to a thermodynamic water heater (1) comprising a heating device (2) and a tank (3) with a container (3') for the water to be heated / heated, the tank (3) also comprising a condenser circuit (4) supplied by the heating device (2) forming a closed loop of heat transfer fluid circulation, and with an upper inlet end (4') and a lower outlet end (4'').A water heater characterized in that said condenser circuit (4) comprises a main hot heat transfer fluid supply inlet (5) and another secondary hot heat transfer fluid supply inlet (51), said secondary supply inlet (51) corresponding to an intermediate connection point (PR) of said condenser circuit (4), located between its upper inlet end (4') and its lower outlet end (4'') and defining two portions of the condenser circuit (4) corresponding respectively to two superimposed volumetric zones (Z1 and Z2) within the internal volume of the container (3'), and in that each of the hot heat transfer fluid supply lines (6, 61) connecting the heating device (2) to the supply inlets (5, 51) comprises a control valve (7, 71). Figure to be published with the abbreviation: Fig. 1.

A thermal energy transfer arrangement is provided, comprising a building with a sprinkler system and a heat exchanger for heating the building. The arrangement further comprises a sprinkler reservoir arranged for holding a volume of water, wherein the sprinkler system is in fluid communication with the sprinkler reservoir and a thermal energy transfer system, comprising a primary heat pump, which is in fluid communication with the sprinkler reservoir and the heat exchanger, and which is arranged to transfer thermal energy from the sprinkler reservoir to the heat exchanger. By virtue of the arrangement, water in an existing sprinkler reservoir may be used as a source of thermal energy for heating the building.

The present disclosure is directed to a hydronic system (1) for transferring thermal energy from a heat pump (3) to at least one thermal energy load (5), wherein the hydronic system (1) comprises: - a heat pump feed circuit section (7) for transporting a heat pump flow (qH) downstream of a heat pump circuit pump (11) for driving the heat pump flow (qH) through a heat pump (3); - a load feed circuit section (13) for transporting a load flow (qL) towards at least one thermal energy load (5); - a storage feed circuit section (19) for transporting a storage flow (qS) that goes through a thermal energy storage tank (23), wherein the storage flow (qS) is selectively directable in a charging direction in an operation mode of the hydronic system (1) in which the thermal energy storage tank (23) is charged with thermal energy and in a discharging direction in another operation mode of the hydronic system (1) in which thermal energy is discharged from the thermal energy storage tank (23), wherein the heat pump feed circuit section (7), the load feed circuit section (13) and the storage feed circuit section (19) are connected at a feed connection point (27); - a load flow feed temperature sensor (79) being arranged at the load feed circuit section (13) downstream of the feed connection point (27) for determining a load flow feed temperature (TL) of the load flow (qL); - a load circuit pump (17) for driving the load flow (qL); and - control electronics (20), wherein the control electronics (20) is configured, depending on the operation mode of the hydronic system (1), to control directly or indirectly a speed of the load circuit pump (17) and a speed of the heat pump circuit pump (11) so that a deviation of the load flow feed temperature (TL) from a reference load flow feed temperature is minimised.

Interface module for a hydronic system, which comprises a hydronic generator that uses a work fluid, at least one climate control device, at least one sanitary water dispensing device and at least one water network connection, the module comprising a casing that defines internally a chamber that houses: - a technical tank and a storing tank configured to contain the work fluid and placed in such a way as to delimit a first sub-volume at least partially between themselves; - a heat exchanger; - a network of hydraulic connections that are housed at least partially in the first sub-volume and configured to fluid-dynamically connect together the technical tank, the storing tank, and the heat exchanger; the network further comprising at least: - a first inlet and a first outlet configured to be fluid-dynamically connected, in use, to the hydronic generator; - a second inlet and a second outlet configured to be fluid-dynamically connected, in use, to the at least one climate control device; - a third inlet and a third outlet configured to be fluid-dynamically connected, in use, respectively to the connection and to the at least one sanitary water dispensing device; - pumping means housed in the first sub-volume and configured to move the work fluid along the hydraulic connections.

The present application relates to a system (100) for producing domestic hot water and heat for central heating, the system (100) comprising: a heat generator (1) for obtaining heat from a heat source, the heat generator (1) having a generator outlet port (1.1) and a generator return port (1.2); a central heating circuit (3) having a heating supply port (3.1) and a heating return port (3.2); a tank (11) having a top and a bottom, the tank (11) containing a thermal storage medium (12); a first tapping coil (7) immersed in the thermal storage medium (12) in the bottom of the tank (11); a second tapping coil (6) immersed in the thermal storage medium (12) in the top of the tank (11); and means (8, 9, 13, 14) for warming domestic hot water; wherein the heat generator (1), the second tapping coil (6), the central heating circuit (3) and the first tapping coil (7) are fluidly connected in series so as to allow fluid to flow from the heat generator (1) back to the heat generator (1) via at least one of the second tapping coil (6), the central heating circuit (3) and the first tapping coil(7); the system (100) further comprising: a first three-way valve (2) fluidly connected to the generator outlet port (1.1), the second tapping coil (6) and the heating supply port (3.1), and configured to selectively bypass or flow fluid through the second tapping coil (6); a second three-way valve (4) fluidly connected to the heating supply port (3.1) and the heating return port (3.2), and configured to selectively bypass or flow fluid through the central heating circuit (3); and a third three-way valve (5) fluidly connected to the first tapping coil (7) and the generator return port (1.2), and configured to selectively bypass or flow fluid through the first tapping coil (7).

The invention relates to a multi-functional storage system 1 for generating heating energy and for domestic hot water heating. The system comprises a multi-zone stratified storage tank with a buffer storage zone 5 and a hot water charging zone 6 above it, featuring a storage medium 3 with stratified charge at different temperatures; a counterflow domestic hot water heater 10, with a domestic hot water line 11 and a flow line 14 such that a flow gap 15 exists between them; a domestic hot water charging pump 18 for charging the flow gap 15 with the storage medium 3; a control unit 21 for operating the multi-functional storage system 1; and an electric heating element 20.1, the heating surface of which is arranged within the hot water charging zone 6, with the heating area extending at most to the eighth coil of the domestic hot water line 11. The invention also relates to a method for operating the multi-functional storage system 1. (Fig. 1)

The present application belongs to the technical field of electrical engineering. Disclosed are a photovoltaic-based heat pump water heater control method and apparatus, and a device and a storage medium. The method comprises: acquiring power load information and photovoltaic power generation information; determining electricity surplus information according to the power load information and the photovoltaic power generation information; and controlling a heat pump water heater to perform load migration according to the electricity surplus information.

A water heating system 1 comprises a vessel 2 holding water and receiving heat from heat sources 12, 20. A temperature sensor 24 comprises a plurality of sensing elements (102, Fig. 10) and senses a t

A heating system (1) is proposed, comprising a primary heat exchanger (3) for heat exchange with a heat generator (2). The primary heat exchanger (3) is connected to a heating circuit (4) via a flow (15) and a return (16). A three-way valve (11) is arranged in the return (16) of the heating circuit (4), dividing the heating circuit (4) into a first partial heating circuit (5) and a second partial heating circuit (6). The first partial heating circuit (5) comprises consumers (7) of the heating system (1), and the second partial heating circuit (6) comprises at least one storage heat exchanger (9) configured to transfer heat to at least one hot water storage tank (8). The invention enables the use of the heat stored in a hot water storage tank (8) for heating the heating system (1). Furthermore, a method for operating such a heating system (1) and a computer program are proposed.

The invention relates to a hydraulic storage module (50) for a thermal regulation system of a building, the hydraulic storage module (50) of heat transfer fluid being configured to be hydraulically connected to a supply circuit (32) of heat transfer fluid and to a return circuit (34) of heat transfer fluid of the heating system in order to store thermal energy by means of the heat transfer fluid, the hydraulic storage module comprising: - a reservoir (12) of heat transfer fluid extending along a central longitudinal axis (A), - a first (14) and a second (16) supply ports intended to be hydraulically connected to the supply circuit (32) of heat transfer fluid, - a first (18) and a second (20) return ports intended to be hydraulically connected to the return circuit (34) of heat transfer fluid,characterized in that the hydraulic storage module (50) further comprises: - a supply line (52) passing through the reservoir (12) and extending from the first supply port (14) to the second supply port (16), at least one first circulation port (54) being formed in the supply line (52) to allow fluid communication between an internal space of the supply line (52) and the reservoir (12). Figure for the abbreviation: Figure 6,

The invention relates to a thermic accumulator (AT) configured to be mounted inside or instead of a building wall, comprising a closed, stiffened, thermally insulated parallelepipedal casing, configured to be filled with a permanently non-pressurized primary thermic agent. An exchanger coil (CHC, CHV) and a water coil (CW1, CW2) are immersed in the primary thermic agent. The casing in the working position is configured to allow its filling with the unheated primary thermic agent, up to a preset filling level, and to allow the expansion of the heated primary thermic agent up to a preset expansion level located between the preset filling level and an overflow port, said overflow port being arranged in the casing wall in the control area between the preset expansion level and the upper face of the casing. The casing contains a safety air volume between the preset filling level and the upper face of the casing. The casing allows the safety air volume to be discharged from the casing through the overflow port in order to maintain the primary thermic agent in a non-pressurized form. The exchanger coil (CHC, CHV), through which freon circulates, is connected at the inlet end of the exchanger coil and at the outlet end of the exchanger coil to a first heat pump (PC1). The water coil (CW1, CW2), through which a circulating water circulates, is connected at the inlet end of the water coil to a circulating water source (ARS, VEN) and at the outlet end of the water coil to a circulating water consumer (CC ACM 1, VEN). The exchanger coil (CHC, CHV) is configured to perform a first heat transfer between the freon flow in the exchanger coil and the primary thermic agent in the thermic accumulator (AT), and the water coil (CW1, CW2) is configured to perform a second heat transfer between the primary thermic agent in the thermic accumulator (AT) and the circulating water in the water coil (CW1, CW2).

The invention relates to a device for generating heat for feeding it into a heating circuit 12, comprising: - a high-pressure pump 2, driven by a motor, in particular an electric motor, and connected in a liquid circuit, with an inlet 4 through which the liquid to be pumped enters the pump 2, and with an outlet 5 from which the pumped liquid exits; - at least one heat generator 6, 24, connected in the liquid circuit and downstream of the pump 2, causing friction in the liquid flow by reducing the flow cross-section and designed in the manner of a hydraulic orifice with one or more flow openings, wherein the hydraulic orifice has a cross-sectional geometry that is not influenced by the delivery pressure of the liquid flow, so that the temperature of the liquid flow pumped by the at least one heat generator 6, 24 is increased; - a liquid storage tank 10, 10.1, 10.2, the contents of which can be heated by the liquid flow heated in the at least one heat generator, and - a heating circuit 12 connected to the liquid storage 10, 10.1, 10.2.

A district heating and cooling system 100 comprises a pipe network 102 to supply potable water to a plurality of buildings, at least one heat pump 104 disposed at each building 106 of the plurality of

A unit for providing a quantity of hot water suitable for washing or bathing, the unit having maximum dimensions of 750mm wide x 750mm depth x 1200mm height, the unit comprising an unpressurised tank for storing an energy storage liquid, and the unit further comprising first and second heat exchangers connected to the tank to form a closed fluid circuit for the energy storage liquid, the first heat exchanger being arranged to transfer heat from a heat source to the energy storage liquid and the second heat exchanger being arranged to transfer heat from the energy storage liquid to incoming cold water, the unit further comprising a plurality of valves located within the closed fluid circuit, and a processor for controlling the valves, the processor being configured to operate the valves such that the closed fluid circuit can be switched between a first configuration providing a first series of flow paths between the tank and the heat exchangers and a second configuration providing a second series of flow paths between the tank and the heat exchangers.

Method for controlling the operation of a heat pump. Method for controlling the operation of a heat pump (10) connected to hot (22) and cold (24) buffer tanks, capable of operating according to at least one first mode of heat production only, a second of cold production only and a third of combined cold and heat production, the triggering of the different modes taking place at a given instant t as a function of the measured temperatures of the buffer tanks and at least one piece of information representative of a future need for heat or cold production for the buffer tanks.

The present disclosure provides a computer-implemented method of modulating energy consumption by a water provision system installed in a building, the water provision system comprising a heat pump configured to transfer thermal energy from outside the building to a thermal energy storage medium inside the building and a control module configured to control operation of the water provision system, the water provision system being configured to provide water heated by the thermal energy storage medium to one or more water outlets and further configured to supply heated water to a central heating system configured to raise an indoor temperature of the building, the method being performed by the control module and comprising: determining a level of energy demands of a geographical region comprising the building; and upon determining that the level of energy demands is low, operating the heat pump to store thermal energy in the thermal energy storage medium, and operating the water provision system to supply heated water to the central heating system using thermal energy stored in the thermal energy storage medium.

A heating system of a building includes: a solar heater configured to receive sunlight and to at least one of absorb heat into a refrigerant and augment heat absorbed into the refrigerant; a compressor configured to compress the refrigerant that vaporized via absorption of heat; a first heat exchanger configured to transfer heat from the refrigerant to water; an expansion valve configured to reduce at least one of a temperature and a pressure of the refrigerant after the transfer of heat from the refrigerant to water; a second heat exchanger configured to transfer heat from water output from the first heat exchanger to air passing the second heat exchanger before flowing into the building; a pump configured to pump the water from the solar heater to the second heat exchanger; and a blower configured to blow air past the second heat exchanger and into the building.

According to a first aspect of the disclosure, a thermal storage device is provided. The thermal storage device comprises a thermal storage core, a plurality of heating elements, a temperature sensor, and a safety temperature threshold circuit. The thermal storage device also comprises a circuit breaker circuit for each of the plurality of heating elements. The thermal storage core is configured to store thermal energy. The plurality of heating elements are each configured to heat the thermal storage core. The temperature sensor is disposed in the thermal storage core and configured to output a temperature signal representative of a temperature of the thermal storage core. The safety temperature threshold circuit is configured to receive the temperature signal and output a safety signal when the temperature signal indicates that a temperature of the thermal storage core is below a safety temperature threshold of the safety temperature threshold circuit. Each circuit breaker circuit is configured to allow the supply of electrical energy to the respective heating element upon receiving the safety signal from the safety temperature threshold circuit. When the safety signal is not received, each circuit breaker circuit is configured to prevent the supply of electrical energy to the respective heating element.

The present disclosure is directed to a hydronic system (1) for transferring thermal energy from a heat pump (3) to produce domestic hot water, DHW, wherein the hydronic system (1) comprises: • a heat pump feed circuit section (7) for transporting a heat pump flow (qH) downstream of a heat pump circuit pump (11) for driving the heat pump flow (qH) through a heat pump (3); • a DHW system (49) comprising a thermal transfer element (61) and an electric heater (77), • a load feed circuit section (13) for transporting a load flow (qL) that goes at least partly through the thermal transfer element (61), wherein the thermal transfer element (61) is arranged to thermally couple at least part of the load flow (qB) with a freshwater flow (qFW); • a storage feed circuit section (19) for transporting a storage flow (qS) that goes through a thermal energy storage tank (23), wherein the storage flow (qS) is selectively directable in a charging direction in an operation mode of the hydronic system (1) in which the thermal energy storage tank (23) is charged with thermal energy and in a discharging direction in another operation mode of the hydronic system (1) in which thermal energy is discharged from the thermal energy storage tank (23), wherein the heat pump feed circuit section (7), the load feed circuit section (13) and the storage feed circuit section (19) are connected at a feed connection point (27), wherein the electric heater (77) is arranged in the load feed circuit section (13) downstream of the feed connection point (27); • a load flow feed temperature sensor (79) for determining a load flow feed temperature (TL) of the load flow (qL), wherein the load flow feed temperature sensor (79) is arranged at the load feed circuit section (13); • a load circuit pump (17) for driving the load flow (qL); and • control electronics (20), wherein the control electronics (20) is configured to control stepwise or gradually a heating power of the electric heater (77) and, depending on the operation mode of the hydronic system (1), to directly or indirectly control a speed of the load circuit pump (17) so that a deviation of the load flow (qL) from a reference load flow (qLref, qLcompref) is minimised, and / or to directly or indirectly control a speed of the heat pump circuit pump (11) so that a deviation of the load flow feed temperature (TL) from a reference load flow feed temperature (TLcompref) is minimised.

There is described a water heater system having: first and second water tanks in fluid communication with a cold water line and a hot water line; a cold water valve in fluid communication between the cold water line and the first water tank; a water heating circuit having a water heater, a first inlet conduit fluidly connecting the first water tank to the water heater, and a first outlet conduit fluidly connecting the water heater to the first water tank; and a controller communicatively coupled to the water heater and the cold water valve, the controller configured for: when the first water tank is fully filled with water from the cold water line, operating the first water tank in a heat charging mode including: while the cold water valve remains closed, circulating said water across the water heating circuit, said circulating including heating the water up to a temperature threshold.

The disclosure relates to a buffer tank suitable for being fluidly connected to a heating system for a building and to house a buffer liquid which is circulated via said heating system to be heated, said buffer tank comprising: a vessel arranged to house the buffer liquid, a buffer liquid inlet structured and arranged to allow receiving buffer liquid to the buffer tank from the heating system, a stratification tube arranged such that an axial extension thereof is aligned substantially in parallel with the vertical extension of the vessel, said stratification tube having lateral side walls(s) which presents a plurality of through-openings, and a supply conduit fluidly interconnecting the buffer liquid inlet with the stratification tube, wherein the supply conduit has a flow speed reducing portion. The disclosure further relates to a heat transfer arrangement comprising said buffer tank.

The invention relates to a method and a corresponding temperature sensor (7) for retrofitting a heat storage unit (2) of a heating system (1) arranged in a metal container (3), which is provided with thermal insulation (5), with additional temperature sensors (7) without removing the thermal insulation (5). A temperature sensor (7) with a needle-shaped sensor holder (8) is inserted from outside the thermal insulation (5) directly through the thermal insulation (5) to a thermal contact area (10) at its tip (9) with an outer surface (4) of the metal container (3). Preferably, the establishment or existence of a correct thermally conductive connection between the temperature sensor (7) and the outer surface (4) of the metal container (3) is verified by measuring the electrical resistance between the temperature sensor (7) and the metal container (3).The present invention allows for the simple retrofitting of existing heat storage units (2) with additional temperature sensors (7) without removing thermal insulation (5), so that heating systems (1) can be modernized and adapted to the highest standards without replacing their heat storage unit (2).

This disclosure provides a hot water storage tank equipped with an internal heat exchanger in which the support members are securely attached, while also facilitating the extension of the lifespan of the support members. [Solution] The hot water storage tank in this disclosure comprises a tank body, an internal heat exchanger housed inside the tank body and having a spirally wound spiral pipe section, and a support member that engages with the internal heat exchanger and supports the internal heat exchanger so as to be spaced apart from the inner surface of the tank body, wherein the support member has a contact section that abuts against the inner surface of the tank body and an insertion section formed radially inward of the contact section, the insertion section having a wide section that is wider than the spacing between the pipes of the spiral pipe section, and the insertion section is inserted between the pipes of the spiral pipe section so that the wide section is positioned radially inward of the pipes of the spiral pipe section.

A central heating and hot water system comprises a hot water circuit 50 including a cold water inlet 51 (e.g. mains water) and a hot water outlet 52. A hot water sensor system 54 (ideally comprising a

A controller for a water heater, the controller having: a power source configured to power components of the controller, where the power source is independent of a battery or grid power and uses a thermoelectric effect; and a gas sensor powered from the controller via the power source, where the gas sensor is configured to be located external to and connected to the controller, and where the controller is configured to trigger an alarm if a gas concentration in the vicinity of the gas sensor is above a predetermined threshold.

The object of the present invention is a combined system (1) adapted to serve a thermal system (4) for indoor heating and / or cooling and / or a sanitary system (4') for the preparation of sanitary water comprising at least a heat pump (2), at least two storages (3; 3.M, 3.V) for the preparation and storage of said sanitary water to be allocated to a user and a connection kit (5) capable of hydraulically and functionally connecting said heat pump (2) and said at least two storages (3; 3.M, 3.V).