F24F2013/225

HEAT EXCHANGER CORE
20230039363 · 2023-02-09 ·

A heat exchanger core for a heat pump, comprising a first chamber comprising a chamber body, the chamber body comprising an air inlet, an air outlet and a first heat exchange coil adjacent to the air inlet and inclined with respect to the air inlet; a second chamber comprising a chamber body, the chamber body having an air inlet, an air outlet and a second heat exchange coil adjacent the air inlet and inclined with respect to the air inlet; the first heat exchange coil and the second heat exchange coil forming a circuit for circulating refrigerant between the first heat exchange coil and the second heat exchange coil.

AIR-CONDITIONING DEVICE
20230089873 · 2023-03-23 ·

The present invention relates to an air-conditioning device comprising: a case having an interior divided into a first area and a second area, having an indoor inlet and an indoor outlet formed therein such that the first area and an indoor space communicate with each other, and having an outdoor inlet and an outdoor outlet formed therein such that the second area and an outdoor space communicate with each other; a barrier arranged between the first area and the second area inside the case; an indoor blowing fan arranged in the first area so as to form a flow of air from the indoor inlet to the indoor outlet; an outdoor blowing fan arranged in the second area so as to form a flow of air from the outdoor inlet to the outdoor outlet; a first thermoelectric element comprising a first indoor heat exchanger arranged in the first area so as to exchange heat with air passing through the first area, and a first outdoor heat exchanger arranged in the second area so as to exchange heat with air passing through the second area; a case lower-surface formed on the lower surface of the case so as to have an open upper side such that condensed water generated from the first thermoelectric element is collected; and a second thermoelectric element arranged between the first thermoelectric element and the case lower-surface so as to heat the condensed water. The first area and the second area are connected between the case lower-surface and the second thermoelectric element such that the condensed water is distributed across the first area and the second area. The present invention is advantageous in that indoor cooling/heating can be performed without no separate compressor, outdoor unit, and the like, and condensed water can be effectively evaporated.

AIR CONDITIONER AND CONTROLLING METHOD THEREOF

An air conditioner including a heat exchanger; a blower fan; a compressor; and a controller. The controller performs: a cooling process in which the compressor is operated to compress a circulating refrigerant, the heat exchanger performs heat exchange between the refrigerant and air, and the blowing fan is operated to blow air to the heat exchanger. The controller performs a drying process including: performing, a blowing process in which the blower fan is operated to blow air to the heat exchanger while the compressor is stopped, and performing a heating process in which the refrigerant is circulated in a direction that is changed from that of the cooling process, the blower fan is operated to blow air to the heat exchanger, and the compressor is operated to compress the refrigerant, thereby heating the surface of the heat exchanger and drying water condensed on the surface of the heat exchanger.

Peak demand response operation of HVAC system with face-split evaporator

An HVAC system includes a face-split evaporator. The face-split evaporator includes a top evaporator circuit positioned above a bottom evaporator circuit. The system includes a first compressor associated with the top evaporator circuit, a second compressor associated with the bottom evaporator circuit, and a controller communicatively coupled to the first and second compressors. The controller receives a demand request, which includes a command to reduce power consumption by the HVAC system by a predefined percentage. In response to receiving the demand request, the second compressor is turned off thereby decreasing power consumption by at least the predefined percentage. A portion of a liquid condensate formed on a surface of the top evaporator circuit is allowed to fall on a surface of the bottom evaporator circuit such that a portion of a flow of air passing across the bottom evaporator is evaporatively cooled by the portion of the liquid condensate.

VENTILATION APPARATUS AND CONTROL METHOD THEREOF

A ventilation apparatus includes: a housing including a first inlet through which outside air is sucked, a second inlet through which room air is sucked, a first outlet through which air is supplied to an indoor space, and a second outlet through which air is discharged to an outdoor space; an outside temperature sensor configured to measure a first temperature of the outside air; a room temperature sensor configured to measure a second temperature of the room air; a total heat exchanger configured to perform heat exchange between the outside air and the room air; a first blower communicating with the first outlet; a second blower communicating with the second outlet; and a processor to perform a drying operation for the total heat exchanger by operating at least one of the first blower or the second blower, based on a difference value between the first temperature and the second temperature.

METHOD FOR COOLING OF A USER SPACE AND AIR CONDITIONING ARRANGEMENT
20230071004 · 2023-03-09 ·

The invention relates to a method and an air condition arrangement for cooling of a user space, comprising the steps of providing an air condition arrangement (1) including a cooling media producing heat exchanger loop (10) having a low pressure tubing (106) in operational connection with a cooling media (31), which cooling media (31) includes water/ice, and having a high pressure tubing (103) in operational connection with a compressor (101) and a condenser (101) and said air condition arrangement further including a air cooling heat exchanger (2) including a cooling media storage member (20) and a flow channel (805, 806, 808) in operational connection with said cooling media (31), to enable inlet flow (801) via at least one inlet (803) of surrounding air into said air condition arrangement (1) to produce a cooled air flow (802) out from said air condition arrangement (1) via at least one outlet (804) during inactivity of said cooling media producing heat exchanger loop (10) and to intermittently produce ice in said cooling media (31) by means of said cooling media producing heat exchanger loop (10), wherein said air condition arrangement (1) provided in a, preferably movable, wall shaped housing (11) and passing inlet air (801) into a downwardly extending path (805) of said flow channel (805, 806, 808).

SYSTEM AND METHODS UTILIZING FLUID COOLERS AND CHILLERS TO PERFORM IN-SERIES HEAT REJECTION AND TRIM COOLING
20230108538 · 2023-04-06 · ·

The cooling systems and methods of the present disclosure involve modular fluid coolers and chillers configured for optimal power and water use based on environmental conditions and client requirements. The fluid coolers include wet media, a first fluid circuit for distributing fluid across wet media, an air to fluid heat exchanger, and an air to refrigerant heat exchanger. The chillers, which are fluidly coupled to the fluid coolers via pipe cages, include a second fluid circuit in fluid communication with the air to fluid heat exchanger and a refrigerant circuit in thermal communication with the second fluid circuit and in fluid communication with the air to refrigerant heat exchanger. Pipe cages are coupled together to allow for expansion of the cooling system when additional cooling capacity is needed. The fluid coolers and chillers are configured to selectively operate in wet or dry free cooling mode, partial free cooling mode, or mechanical cooling mode.

Air Conditioner Having Six Ports
20230175726 · 2023-06-08 ·

An air conditioner having six ports is described. The inner space of a casing having six inlet/outlets including a first discharge port, a second discharge port, a first outdoor air intake port, a second outdoor air intake port, and an interior air suction port is divided by a partition wall to form a first passage and a second passage. A waste heat recovery heat exchanger is provided between the first passage and the second passage. The air flow direction and the air volume can be controlled by using a direction change damper, a first air volume control damper, and a second air volume control damper.

CONDENSATE REMOVAL SYSTEM OF AN AIRCRAFT COOLING SYSTEM
20170297716 · 2017-10-19 · ·

An aircraft includes a cooling compartment and an evaporative chiller configured to cool the cooling compartment. The evaporative chiller includes a compressor, an evaporator having airflow to the cooling compartment, and a condenser. The condenser has an exhaust airflow to cool the condenser. The evaporative chiller has a condensate removal system removing condensate produced by the evaporator using the exhaust airflow of the condenser to discharge the condensate.

SYSTEM FOR EVAPORATIVE COOLING OF AN AIR CONDITIONING CONDENSER OR A RADIATOR TO ENHANCE EFFICIENCIES
20220034525 · 2022-02-03 ·

The system of the present disclosure reduces the temperature of any air conditioning condenser/radiator, either through retrofit or by original manufacturing. The system is connected to a water supply for pre-cooling ambient air drawn into the air conditioning unit by providing a misting spray of water that evaporates rapidly to cool the air conditioning condenser. The system has a water supply connection connected to the water supply, a water treatment assembly for treating aspects of the water supplied, and a water delivery assembly that receives clean water from the water treatment assembly and delivers the misting spray proximate the air conditioning unit. The system may be controlled by using a wireless technology such as a Z-wave or other type of wireless controller and one or more sensors.