44results about "Central heating exchangers" 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.

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 present invention regards a recirculation device (1) installable on a distribution system for sanitary water. The recirculation device comprises a heat exchange unit (2) installable on a recirculation line of the system, which has a first and a second chamber (2a, 2b) distinct from each other: the first chamber has a delivery inlet (2a') and a delivery outlet (2a'') while the second chamber has at least one recirculation inlet (2b') and one recirculation outlet (2b''). The recirculation inlet is connectable to a first section of a recirculation line (106a) which connects a user (105) with the heat exchange unit, while the delivery outlet of the heat exchange unit is connectable to a second section of the recirculation line which connects the heat exchange unit with a general fluid outlet (103). The recirculation device is configured to define a recirculation condition in which part of the fluid in transit along the recirculation line traverses the second chamber of the heat exchange unit.

A heat transfer device for transferring heat from a cooling medium for a heat-generating system to a heating medium for a heat-consuming system, comprising - a first pipe network (302; 402) having a first inlet (303; 403) for the cooling medium coming from the heat-generating system, and a first outlet (304; 404) for the cooling medium to the heat-generating system; - a second pipe network (305; 405) having a second inlet (306; 406) for the heating medium coming from the heat-consuming system, and a second outlet (307; 407) for the heating medium to the heat-consuming system; - a heat pump (308B; 408B) for an active heat transfer from the cooling medium in the first pipe network (302; 402) to the heating medium in the second pipe network (305; 405); and - a heat exchanger (308A; 408A) for a passive heat transfer from the cooling medium in the first pipe network (302; 402) to the heating medium in the second pipe network (305; 405), wherein the first pipe network (302; 402) is configurable such that the cooling medium coming from the heat-generating system, can be guided successively through the heat exchanger (308A; 408A) and the heat pump (308B; 408B) in series.

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 settlement heating network, in particular a cold district heating network or long-distance heating network, with a closed heat fluid circuit (1) for distributing heat energy to at least a first building (7, 27) and a second building (7, 27), in particular a first and second residential building (2, 27), is proposed in order to further improve heating networks. The heat fluid circuit (1) comprises at least a heat fluid and at least a first heat source (12, 22) as well as at least a first receiving device (2, 20) for the first building (7, 27) and a second receiving device (2, 20) for the second building (7, 27), wherein the first receiving device (2, 20) is configured for receiving and / or transferring heat energy for the first building (7, 27) and wherein the second receiving device (2, 20) is configured for receiving and / or transferring heat energy for the second building (7, 27).In particular, to reduce effort and / or increase energy efficiency and cost-effectiveness and / or to implement new functionalities. This is achieved according to the invention by the fact that the closed heat fluid circuit (1) has at least one hydraulic series connection at least of the first discharge device (2, 20) for the first building (7, 27) and the second discharge device (2, 20) for the second building (7, 27) and / or the first heat source (12, 22).

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.

Disclosed herein, is an integrated thermal management system that efficiently manages the heat or cold flows while minimizing the energy loss and the space requirements with lower operational costs. The system herein comprises a distributed network of heat exchanging means with a flowing heat collector, the heat collector adapted to collect the waste heat from a plurality of sources through a thermal connection between each of the sources and the heat collector and the consumers. A centralized control unit is embedded in the system to control the extraction and absorption of heat between the heat collector and the sources and a centralized dissipation unit for releasing the extracted waste heat to the ambient air.

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.

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.

The invention provides a cold storage temperature adjustable heat pump energy storage system and a control method thereof, and the system is provided with a refrigerant temperature adjusting module in front of a cold side inlet of a low-temperature heat exchanger which exchanges heat with a refrigerant. The refrigerant temperature adjusting module comprises a low-temperature expansion machine and a control unit and further comprises a throttling valve and / or a flow adjusting valve. The temperature of the circulating working medium entering the cold side inlet of the first low-temperature heat exchanger is controlled by adjusting the opening degree of the throttling valve and / or the flow adjusting valve, and the temperature of the low-temperature refrigerant after heat exchange is indirectly controlled. The refrigerant can adapt to different external environment temperatures, the risk of refrigerant solidification is avoided, and the safety, stability and adaptability of the system are guaranteed. And refrigerant type selection is more convenient. Due to the fact that the refrigerant temperature is controlled through the throttling valve and / or the flow adjusting valve, the equipment investment is small, and transformation is convenient.

The present disclosure relates to a hot water storage tank comprising an internal heat exchanger with a support element firmly attached thereto, wherein the service life of the support element can be extended effortlessly. The hot water storage tank according to the present invention comprises: a tank body; an internal heat exchanger located inside the tank body and comprising a spirally wound spiral tube section; and a support element that engages with the internal heat exchanger and supports the internal heat exchanger in such a way that the internal heat exchanger is held at a distance from the inner surface of the tank body, wherein the support element comprises a bearing section that abuts the inner surface of the tank body and an insertion section that is formed radially inside the bearing section, wherein the insertion section has a wide section that is wider than a tube spacing of the spiral tube section, and wherein the insertion section is inserted between the tube sections of the spiral tube section such that the wide section is located radially further inside than the tube sections of the spiral tube section.

The present disclosure relates to a hybrid multi-air conditioning system. The hybrid multi-air conditioning system of the present disclosure includes a hot water supply unit including a hot water supply heat exchanger for exchanging heat between the refrigerant and water accommodated in the water tank and a first hot water supply expansion valve for blocking or flowing the refrigerant condensed from the hot water supply heat exchanger; at least one indoor device installed indoors and including an indoor heat exchanger and an indoor expansion valve; an outdoor device connected to the indoor device and the hot water supply unit through a refrigerant pipe and including an outdoor heat exchanger, a compressor, and an outdoor expansion valve; a second hot water supply discharge pipe having one side branched from the first hot water supply discharge pipe connecting the hot water supply heat exchanger and the indoor heat exchanger and the other side joining the first discharge pipe connecting the compressor and the outdoor heat exchanger; and a second hot water supply expansion valve installed on the second hot water supply discharge pipe.

The invention relates to a thermal module (10) for use in a heating system, the thermal module being configured: a) to supply a heat carrier for heating an indoor space, and b) to heat incoming cold tap water with heat from the heat carrier,the thermal module comprising on a secondary side thereof:- a cold tap water channel (52) extending from the cold water entry (16) to the secondary entry (36),- a hot tap water channel (38) extending from the secondary exit to the hot tap water exit (18),- a bypass channel (55) which bifurcates from the cold tap water channel (52) at a bifurcation location (54) and merges with the hot tap water channel at amerge location (57) and which bypasses the heat exchanger.

The present application relates to a system (100) for producing domestic hot water and heat for central heating 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 feed port (3.1) and a heating return port (3.2); a tank (11) having a top portion and a bottom portion, the tank (11) containing a heat storing medium (12); a first tapping coil (7) immersed in the heat storing medium (12) in the bottom portion of the tank (11); a second tapping coil (6) immersed in the heat storing medium (12) in the top portion of the tank (11); and means (8, 9, 13, 14) to warm up 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) via at least one of the second tapping coil (6), the central heating circuit (3), and the first tapping coil (7) back to the heat generator (1); 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 feed port (3.1) and configured to selectively let the fluid bypass, or flow through, the second tapping coil (6); a second three-way valve (4) fluidly connected to the heating feed port (3.1) and the heating return port (3.2) and configured to selectively let the fluid bypass, or flow 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 let the fluid bypass, or flow through, the first tapping coil (7) .

The invention relates to a heating system comprising a heat pump circuit (1) through which a heat pump circuit medium flows, a heating circuit (2) through which a heating circuit medium flows, a first heat exchanger (2.1) arranged on the heating circuit (2) and through which the heating circuit medium flows, and a second heat exchanger (2.2) arranged between the heat pump circuit (1) and the heating circuit (2) and through which the heat pump circuit medium flows on one side and the heating circuit medium flows on the other, wherein a sensor (4) connected to a control device (3) is arranged on the heating circuit (2) downstream of the second heat exchanger (2.2) and upstream of the first heat exchanger (2.1) for detecting heat pump circuit medium in the heating circuit medium. According to the invention, it is provided that on the heating circuit (2) downstream of the first heat exchanger (2.1) in the direction of flow of the heating circuit medium, a sensor (4) connected to a control device (3) is arranged for detecting heat pump circuit medium in the heating circuit medium.1) and an additional sensor (5) connected to the control device (3) is arranged in front of the second heat exchanger (2.2) for the detection of heat pump circulating medium in the heating circulating medium.

A heat pump system according to one aspect of the disclosed invention comprises: a compressor for compressing a refrigerant; a water tank for storing water; a heat exchanger for exchanging heat between the refrigerant introduced from the compressor and the water introduced from the water tank and supplying the heat-exchanged water to the water tank; a heating coil for heating the water stored in the water tank; and a pipe temperature sensor for detecting a first temperature of an inlet pipe for supplying cold water to the water tank or a second temperature of an outlet pipe for discharging hot water from the water thank; and a first control unit for determining whether to use the hot water on the basis of the first temperature of the inlet pipe or the second temperature of the outlet pipe directed by the pipe temperature sensor, determining a hot water use pattern of a user according to the use of the hot water, and determining on or off of the compressor on the basis of the hot water use pattern.

An air-conditioning hot-water-supply system (1) includes: a refrigeration circuit (21) that includes a heating-medium heat exchanger (11) configured to exchange heat between a refrigerant and a heating medium and can perform heating and cooling of the heating medium by the refrigerant in the heating-medium heat exchanger (11); a common path (41a) connected to a utilization side of the heating-medium heat exchanger (11), allowing a cooled heating medium to flow through the common path (41a) during a cooling operation, and allowing a heated heating medium to flow through the common path (41a) during a hot water supply operation; a heater (13) heating the heating medium; and a controller (10) controlling the refrigeration circuit (21) and the heater (13). The controller (10) turns on the heater (13) for a predetermined period of time at a time of switching from the cooling operation to the hot water supply operation.

Heat pump hydraulic unit, comprising a plurality of first hydraulic connections, a hydraulic manifold for connecting the first hydraulic connections, the hydraulic manifold comprising a first and second half-shell each made of plastic, which together form a plurality of hydraulic channels, the first half-shell having a first and second side and an edge, the first half-shell having a plurality of second hydraulic connections at the edge, such that the second hydraulic connections are substantially in one plane, the first hydraulic connections being connectable via the second hydraulic connections and the hydraulic channels, the second half-shell having a first and second side and a plurality of system component connections for receiving system components on the first side, each of which is connected to one of the hydraulic channels.

A thermally enhanced heating system (100) and a method for thermally enhancing a HVAC system are provided. The thermally enhanced heating system (100) preferably includes an outdoor HVAC unit (200) and an indoor HVAC unit (300). The indoor HVAC unit (300) includes a first heat exchanger (310) for transferring heat from a refrigerant, a second heat exchanger (320) for transferring heat from a fuel source, and a third heat exchanger (330) for transferring heat to the refrigerant. The outdoor HVAC unit (200) includes an outdoor heat exchanger (210) for transferring heat from an outdoor air to the refrigerant, a pump (220) configured to circulate the refrigerant, and an ejector (230) configured to combine the refrigerant from the outdoor heat exchanger (210) and the third heat exchanger (330). Preferably the outdoor HVAC unit (220) is operated to circulate the refrigerant through a first refrigerant circuit (500) and a second refrigerant circuit (400), and combine refrigerant in the first refrigerant circuit (500) and the second refrigerant circuit (400).

The disclosure relates to a tubular condenser for a heat pump system for exchanging heat between a refrigerant and water in a container. The condenser comprising a tube (11) through which the refrigerant is to flow via a first tube end being a refrigerant inlet of the condenser and a second tube end being a refrigerant outlet of the condenser. The tube (11) of the condenser has a length which at least partly comprises a varying cross-sectional shape (A, B, C, D). The disclosure also relates to a method of manufacturing the tubular condenser.

The application discloses a heat supply and water supply system of a water-heat co-production combined cross-season heat storage reservoir method. A water-heat co-production device prepares hot fresh water at a heat source; the heat storage reservoir comprises a hot water storage part and a cold water storage part; when the temperature of the hot fresh water is lower than the boiling point, the hot fresh water enters the hot water storage part through a long single pipe; in a non-heating season, cold water in the cold water storage part is used for urban water supply; in a heating season, the heat of hot water in the hot water storage part is used for urban heat supply, and the hot water in the hot water storage part is used for urban water supply after being heated; when the temperature of the hot fresh water is higher than the boiling point, the hot fresh water enters an absorption heat exchanger through the long single pipe; in the non-heating season, the hot fresh water is used for urban water supply after being cooled, and the heat is stored in the hot water storage part; and in the heating season, the hot fresh water is used for urban water supply after being cooled, and the heat of the hot fresh water and the heat of the hot water in the hot water storage part are used for urban heat supply. The application realizes heat supply in the heating season and stable water supply throughout the year, and reduces the scale of a transmission and distribution system and the capacity of each device.

A hot water supply unit includes: a refrigerant unit (U) including a refrigerant circuit (R1) that performs a refrigeration cycle using a first refrigerant that is a flammable refrigerant; a tank (41) configured to store water directly or indirectly heated by the first refrigerant; and a casing (60) disposed in the indoor space (I) and configured to house the refrigerant unit (U) and the tank (41). The refrigerant unit (U) is disposed below the tank (41).

A settlement heating network, in particular a cold local heating network or district heating network, comprising a closed thermal-fluid circuit (1) for distributing thermal energy at least for a first building (7, 27) and for a second building (7, 27), in particular a first and second dwelling (2, 27), wherein the thermal-fluid circuit (1) comprises at least a thermal fluid and at least a first heat source (12, 22), and also at least a first removal device (2, 20) for the first building (7, 27) and a second removal device (2, 20) for the second building (7, 27), wherein the first removal device (2, 20) is designed to remove and / or transfer thermal energy for the first building (7, 27) and wherein the second removal device (2, 20) is designed to remove and / or transfer thermal energy for the second building (7, 27), is proposed in order to improve heating networks further, in particular in order to reduce the complexity and / or to increase the energy efficiency and economic efficiency and / or to realize new functionalities. This is achieved according to the invention in that the closed thermal-fluid circuit (1) has at least one hydraulic series connection at least of the first removal device (2, 20) for the first building (7, 27) and of the second removal device (2, 20) for the second building (7, 27) and / or of the first heat source (12, 22).

The present disclosure relates to a heat transfer device and method for transferring heat from a cooling medium for a heat generating system to a heating medium for a heat consuming system, and a compressor apparatus. The heat transfer device comprises: a first pipe network having a first inlet for the cooling medium from the heat generating system and a first outlet for the cooling medium to the heat generating system; a second pipe network having a second inlet for the heating medium from the heat consuming system and a second outlet for the heating medium to the heat consuming system; a heat pump for active heat transfer from the cooling medium in the first pipe network to the heating medium in the second pipe network; and a heat exchanger for passive heat transfer from the cooling medium in the first pipe network to the heating medium in the second pipe network, where the first pipe network may be configured such that the cooling medium from the heat generating system may be sequentially directed through the heat exchanger and the heat pump in series.

The invention relates to a building services appliance (1) with a direct electric heat source (3) for heating the building. The heat source (3) is provided by a flow connection to first medium connections (6) of the building services appliance (1) for supplying a first heat transfer medium at a first temperature, and by a flow connection via a heat exchanger (16) to second medium connections (7) of the building services appliance (1) for supplying a second heat transfer medium, different from the first, at a second temperature. The invention further relates to a method for installing a building services appliance (1) and a method for operating a building services appliance (1).

The invention relates to a thermodynamic heating apparatus comprising a condenser (3) disposed against the tank (2). The condenser comprises an extruded tube, for example made of aluminum or copper, which forms a band around the tank. The tube comprises several winding elements (31), each comprising a first portion (310) of tube extending around a portion of the circumference of the tank, followed by a U-shaped return (311), called the internal return, formed by bending the tube. The U-shaped return (311) is extended by a second portion (312) which extends around a portion of the circumference of the tank (2) in the opposite direction to the first portion (310). Each winding element (31) is connected to another winding element (32) by a U-shaped connecting return (313) bent in the opposite direction to the bending direction of each of the internal U-shaped returns of the winding elements. Figure for the abstract: Fig. 2

The present application relates to the field of water heater, and provides a condenser assembly, heat pump water heaters and a water tank structure. The condenser assembly includes a first header, a second header and multiple groups of microchannels. The second header is provided opposite to and spaced apart from the first header, the multiple groups of microchannels communicate between the first header and the second header, and a number of channels in the multiple groups of microchannels is gradually decreased along a flow direction of a refrigerant in the condenser. The number of channels in the microchannels is provided to be gradually decreased to coordinate with the characteristic changes of the refrigerant in the condenser during the heat exchange process. The number of channels in the microchannels is fully and reasonably allocated, which reduces the influence of the characteristic changes of the refrigerant on the total flow path of the microchannels, and the effectiveness of the total flow area of the microchannel is improved, and the heat exchange efficiency of the condenser is increased. It also helps to reduce energy consumption and implement energy conservation and emission reduction.

A storage type gas water heater has two or more tanks / areas providing a primary heated water storage area from which hot water is drawn, and one or more supplementary water storage areas utilizing hot combustion gas from the primary heated water storage area generating and supplying temperate water to previous supplementary water storage areas and / or the primary water storage area. An energy recovery chamber is situated between the primary heated water storage water area and the supplementary water storage area(s), with combustion gas vented therein. A hollow diffuser, defining a diffuser cavity, or one of various heat exchangers, is provided in the energy recovery chamber over the vented combustion gas. The diffuser cavity or heat exchanger receives temperate water from the supplemental water storage area and further heated by the vented combustion gas impinging the hollow diffuser or heat exchanger before being provided to the primary water storage area.