Abstract: In an air conditioner, air-supply passages cross air-discharge passages, and heat exchangers are disposed at intersections between the air-supply passages and the air-discharge passages. This increases the effective heat-exchanging areas of the heat exchangers. In addition, the air conditioner is configured such that the air conditioner can be easily installed and repaired even when the air conditioner is rotated to be properly connected with air-supply ducts and air-discharge ducts.

Abstract: The present invention provides a compact ventilation system provided with an air purifying function. The present invention includes a case having at least one inlet and outlet communicating with an indoor space, an air supply duct connected to the case to allow the case to communicate with an outdoor environment, a fan provided within the case, the fan sucking air introduced into the case via the air supply duct, the fan blowing out the sucked air to the at least one outlet, an air guide provided within the case to guide the air introduced into the case to the fan and to guide the air blown from the fan to the at least one outlet, and an air purifying member situated next to a lateral side of the fan between the fan and the at least one outlet to purify the air blown from the fan.

Abstract: Ventilating system including a case in communication with a room, an air supply passage in the case for drawing outdoor air into the room, an air discharge passage in the case for discharging room air to an outside of the room, and a fan both in the air supply flow passage and the air discharge flow passage in the case, thereby providing a compact, low noise, and low cost ventilating system.

Abstract: A ventilation system includes a ventilation module having a heat exchanger module, an IAQ module for improving quality of air passing through the ventilation module, and a case for guiding the air that consecutively passes through the ventilation module and the IAQ module.

Abstract: A combined illumination and ventilation duct is disclosed. The present invention includes at least two optical pipes having air flown inside wherein light proceeds within the at least two optical pipes by being totally reflected and a connector connecting the at least two optical pipes together, the connector having a connecting nipple to be connected to a pipe. An upper part of the duct is embedded in a fake ceiling under a real ceiling and a lower part is exposed under the fake ceiling. Alternatively, the whole combined illumination and ventilation duct is installed to be exposed under the fake ceiling. As air and light pass through the combined illumination and ventilation duct, the light is totally reflected within the optical pipes to illuminate an indoor space and the air is supplied or discharged to ventilate the indoor space.

Abstract: A compact ventilating system having an air purifying function is disclosed, which includes a case having one end buried in a ceiling of a room, and the other end projected toward the inside of the room; an air-supplying passage of communicating the outside of the room, the case, and the inside of the room with one another, to supply an outdoor air to the inside of the room; an air-discharging passage of communicating the inside of the room, the case, and the outside of the room with one another, to discharge an indoor air to the outside of the room; an air-circulating passage of communicating the inside of the room with one point of the air-supplying passage inside the case, to introduce the indoor air to the case, and to re-supply the air to the inside of the room; and a fan provided in the case, for supplying the outdoor air introduced to the case through the air-supplying passage to the inside of the room, or re-supplying the indoor air introduced to the case through the air-circulating passage to the insi

Abstract: In an air conditioner, air-supply passages cross air-discharge passages, and heat exchangers are disposed at intersections between the air-supply passages and the air-discharge passages. This increases the effective heat-exchanging areas of the heat exchangers. In addition, the air conditioner is configured such that the air conditioner can be easily installed and repaired even when the air conditioner is rotated to be properly connected with air-supply ducts and air-discharge ducts.

Abstract: A ventilation apparatus, a heat exchange apparatus, and a heat exchange element therefor are provided. The heat exchange element includes a heat exchange sheet, a plurality of first ribs arranged on one surface of the heat exchange sheet that guides a first gas flowing along the one surface of the heat exchange sheet, and a plurality of second ribs arranged on the other surface of the heat exchange sheet and parallel to an arrangement angle of the first rib that guides a second gas flowing along the the other surface of the heat exchange sheet. The first and second ribs alternately support the heat exchange sheet. The heat exchange element may prevent the sag phenomenon of the heat exchange sheet without increasing duct resistance.

Abstract: A ventilation system includes a ventilation module having an electric heater exchanger module, an IAQ module for improving quality of air passing through the ventilation module, and a case for guiding the air that consecutively pass through the ventilation module and the IAQ module.

Abstract: Disclosed related to a ventilating apparatus according to the present invention comprising an outer air suction duct having an outer air inlet opening; an inner air suction duct having an inner air inlet opening; a heat transferring exchanger heat exchanging the outer air and the inner air inhaled through the outer suction duct and the inner suction duct; a blowing module discharging the outer air and the inner air passed through the heat transferring exchanger to inside and outside separately; and a ventilating apparatus including dampers controlling the flowing direction of the outer air inhaled through the outer air suction duct.

Abstract: A ventilator is provided. The ventilator includes blowers 60 and 70; ducts 62 and 72 that are connected to the blowers 60 and 70 to form a blow path having at least one bent part; and a sound-absorbing material 90 that is provided in the bent part of the blow path of the ducts 62 and 72 to absorb noise within the blow path thereof. Therefore, it is possible to remarkably reduce or prevent flow noise that is propagated to the inside of a room as noise of a flow passing through the ducts 62 and 72 is absorbed by the sound-absorbing material 90.

Abstract: A total heat exchanger having a structure capable of achieving an enhancement in total heat efficiency, and a ventilation system using the total heat exchanger are disclosed. The total heat exchanger includes an air supply duct for guiding outdoor air to an indoor space, an air discharge duct for guiding indoor air to the outdoors, an air supply fan arranged at one side of the air supply duct, the air supply fan sucking the outdoor air, and supplying the sucked air to the indoor space, an air discharge fan arranged at one side of the air discharge duct, the air discharge fan sucking the indoor air, and discharging the sucked air to the outdoors, and a heat exchanging element arranged at a region where the indoor air and the outdoor air cross each other, the heat exchanging element heat-exchanging the indoor air with the outdoor air.

Abstract: A combined illumination and ventilation duct is disclosed. The present invention includes at least two optical pipes having air flown inside wherein light proceeds within the at least two optical pipes by being totally reflected and a connector connecting the at least two optical pipes together, the connector having a connecting nipple to be connected to a pipe. An upper part of the duct is embedded in a fake ceiling under a real ceiling and a lower part is exposed under the fake ceiling. Alternatively, the whole combined illumination and ventilation duct is installed to be exposed under the fake ceiling. As air and light pass through the combined illumination and ventilation duct, the light is totally reflected within the optical pipes to illuminate an indoor space and the air is supplied or discharged to ventilate the indoor space.

Abstract: The present invention relates to a high efficiency total heat exchange ventilating system which can prevent temperature rise of supply air caused by heat generated at a motor for minimizing reduction of total heat exchange efficiency. The ventilating system includes a case which is an exterior of the ventilating system, a total heat exchanger in the case for making heat exchange between air discharged to an outside of room and air supplied to the room, an air supply fan and an air discharge fan mounted in the same direction with reference to the total heat exchanger, and an air supply motor and an air discharge motor for supplying power to the air supply fan and the air discharge fan, respectively, wherein the air supply fan is mounted in an air flow line of the air being supplied, and the air supply motor is isolated from the air supply fan and exposed to an air flow line of the air being discharged.

Abstract: Disclosed is a packaged integrated circuit device with high heat dissipation performance and low weight. The packaged integrated circuit device includes an interconnection substrate having at least one layer of conductive trace material and at least one layer of insulating material and also having a first surface and a second surface disposed opposite to the first surface and having a plurality of electrical contacts formed on the second surface. At least one metal thermal conductive layer having a first surface is attached on the first surface of the interconnection substrate and having a second surface exposed to an exterior. A through hole region is formed in the interconnection substrate and the thermal conductive layer. An integrated circuit chip having a first surface exposed to an exterior and having also a second surface with a plurality of bond pads, opposite to the first surface of the integrated circuit chip, is placed within the through hole region.