Daikin Europe Patente

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Provided is an air-conditioner (300), comprising: a first main air channel (331) with a first heat exchanger (341); a second main air channel (332) with a second heat exchanger (342, 343); and an exhaust ventilation channel (334). The exhaust ventilation channel is configured to allow ventilation exhaust air to pass through the second heat exchanger. The ventilation exhaust air is air that has been taken in through a return-air inlet (321) and to be discharged through an exhaust-air outlet (324).

Provided is an air-conditioner (300), comprising: a first main air channel (331) with a first heat exchanger (341); a second main air channel (332) with a second heat exchanger (342, 343); a supply ventilation channel (333); and an airflow regulator (351, 352, 353, 354). The airflow regulator is configured to regulate a flow of each of at least first passing air, second passing air and ventilation intake air. The first passing air is air being air that has been taken in through a return-air inlet (321) and to be discharged through a supply-air outlet (322). The second passing air is air that has been taken in through an outside-air inlet (323) and to be discharged through an exhaust-air outlet (324). The ventilation intake air is air that has been taken in through the outside-air inlet and to be discharged through the supply-air outlet.

Provided is an air-conditioner (300), comprising: a first main air channel (331) with a first heat exchanger (341); a second main air channel (332) with a second heat exchanger (342, 343); a housing accommodating at least the first main air channel and the second main air channel; and a pipe connecting mechanism (370). The pipe connecting mechanism is configured to connect each of the first heat exchanger and the second heat exchanger to a refrigerant compressor (411) which is disposed outside the housing, via a high-pressure gas refrigerant pipe (430) and a low-pressure gas refrigerant pipe (440), such that the first heat exchanger, the second heat exchanger and the refrigerant compressor form a heat pump circuit.

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Heat source unit of an air conditioner comprising the heat source unit (10), the heat source unit comprising a casing (11) having a bottom portion (17) having opposite longitudinal edges (19) and opposite transverse edges (20); and below the bottom portion (17) of the casing (11), the flexible strap (40) having opposite ends (41) extending from the opposite longitudinal edges (19) of the bottom portion (17) of the casing (11) and being configured for being gripped.

Provided is a hot-water supply unit (100), comprising: a heating mechanism (710) configured to heat up heating medium; a tank (300) configured to store water heated up by the heating medium; a water pipe (720) connected with the tank; thermal insulator (400) adhering to and substantially surrounding the tank; a main frame (600) supporting the heating mechanism and the water pipe to be at a position above the tank and the thermal insulator; a support plate (500) disposed between the thermal insulator and the main frame; and a housing (200) accommodating the heating mechanism, the tank, the at least one water pipe, the thermal insulator, the main frame and the support plate, wherein: the thermal insulator connects the tank and the support plate; and the main frame is fixed to the support plate to be supported by the support plate.

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Provided is a hot-water supply unit (100), comprising: a heating mechanism (710); a tank (300); water pipes (741c, 741 d); refrigerant pipes (741 a, 741b); a pipe receiver (621) having U-shaped receiving surfaces (624), an inner side of each receiving surface receiving one end part of one of the pipes, the pipe receiver being configured such that the pipes are arranged in a predetermined sequence, the pipe receiver receiving the pipes to be positioned substantially linearly in a plane view; and fixing plates (630) fixed to the pipe receiver, each fixing plate corresponding to two receiving surfaces and configured to sandwich the water pipes or the refrigerant pipes with the corresponding receiving surfaces, wherein: the pipe receiver is fixed to a main frame (600) or a housing (200) of the hot-water supply unit such that each tunnel-shaped space defined by each receiving surface and the fixing plate extends along a substantially vertical direction.

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The present disclosure concerns a filter cleaning device for an air conditioner (1), particularly a duct -type air conditioner, the filter cleaning device comprising a filter (12) to be passed through by an air flow and having a filter surface (13), a brush (17) contactable with the filter surface (13) for removing particulate matter from the filter surface, wherein the brush has a cylindrical shape, a motor (46) configured to rotate the brush in opposite directions; a first comb shaped member (48) engaged with the brush and a second comb shaped member (49) engaged with the brush, wherein the first and second comb shaped members each have a length direction parallel to the axis of rotation of the brush and a width direction, wherein first comb shaped member and the second comb shaped member are inclined away from each other in a cross-sectional view perpendicular to an axis of rotation (19) of the brush. Further the present disclosure contains an air conditioner having such filter cleaning device.

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The invention relates to a heat pump system for conditioning the air of a space inside a building. The heat pump system comprises a heat pump circuit having a heat source heat exchanger, a main expansion mechanism, an indoor heat exchanger and a compressor fluidly connected to each other, a cooling circuit fluidly connected to the indoor heat exchanger, a radiant panel loop fluidly connected to the cooling circuit and positioned for heat transfer with air in the space, a ventilation system having an outside inlet fluidly communicated with the outside of the building and an inside outlet fluidly communicated with the space for suppling air from the outside of the building to the space, a dehumidifying heat exchanger disposed upstream of the inside outlet and configured to be passed by the outside air before being supplied to the space, the dehumidifying heat exchanger being fluidly connected to the cooling circuit, a valve mechanism disposed in the cooling circuit for controlling the flow of fluid in the cooling circuit from the indoor unit heat exchanger to the radiant panel loop and to the dehumidifying heat exchanger, a measurement system configured to at least measure the humidity in the space, and a control configured to control the valve mechanism during cooling operation on the basis of the measured humidity to perform a dehumidifying operation in which the valve mechanism is controlled to supply fluid to the dehumidifying heat exchanger and to not supply fluid to the radiant panel loop, if the measured humidity exceeds a predetermined humidity threshold.

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<Problem> To implement a low-cost configuration that accommodates increases in fluid volume in a fluid-type temperature-regulating unit for supplying heat or cold to a plurality of temperature-regulating devices. <Solution> A fluid-type temperature-regulating unit (10) is provided with: a heat exchanger (20); a first feed channel (31), a first recovery channel (32), a second feed channel (33), and a second recovery channel (34) for connecting a first feed port (11), a first recovery port (12), a second feed port (13), and a second recovery port (14), respectively, to the heat exchanger (20); an expansion tank (45) and a first pump (41) provided to the first recovery channel (32); a second pump (42) provided to the second recovery channel; and a communication tube (38) for directing a portion of the fluid flowing through the second recovery channel to the expansion tank (45). The communication tube (38) induces a greater pressure loss than any of the first feed channel (31), the first recovery channel (32), the second feed channel (33), and the second recovery channel (34).

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[Problem] To precisely control the temperature of each temperature-regulating device in a fluid-type temperature-regulating unit for supplying heat or cold to a plurality of temperature-regulating devices. [Solution] A fluid-type temperature-regulating unit 10 has a fluid inlet 22 and a fluid outlet 21, and is provided with a heat exchanger 20, first recovery port 12 for recovering fluid from a first temperature-regulating device, a first recovery channel 32 for connecting the fluid inlet 22 and the first recovery port 12, a first pump 41 which is provided to the first recovery channel 32 and which discharges fluid from a first discharge port 41 b, a second recovery port 14 for recovering fluid from a second temperature-regulating device, a second recovery channel 34 for connecting the fluid inlet 22 and the second recovery port 14, and a second pump 42 which is provided to the second recovery channel 34 and which discharges fluid from a second discharge port 42b. The first discharge port 41 b and the second discharge port 42b are both in communication with the fluid inlet 22 so as to allow the fluid to merge.

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A heat exchanger (10) comprises a front wall (20) and a back wall (30) to form a space (40) for a flue gas such that a fluid flowing through a channel (60, 70) formed in the front and back wall (20, 30) can exchange heat with the flue gas, in use. The front wall (20) includes a lower portion (22) and an upper portion (24). The lower portion (22) extends along the back wall (30). The upper portion (24) extends upwardly from the upper end of the lower portion (22) and extends outwardly away from the back wall (30) so as to form a combustion space (42) of a flammable gas between the upper portion (24) and the back wall (30). The length (L2) of the upper portion (24) along the longitudinal direction thereof is longer than the length (L1) of the lower portion (22) along the longitudinal direction thereof.

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