Abstract: A co-generation system and a dehumidification air-conditioner, which generates electricity and provides highly efficient air-conditioning by reducing the latent heat load of the air-conditioner. Exhaust gas from either a turbine or an internal combustion engine heats air for desorption of adsorbed moisture from a humidity rotor. The humidity rotor has a sound adsorption material to attenuate high frequency noise coming from the exhaust outlet of the co-generation system.

Abstract: A heat exchanger includes a honeycomb rotor, a drive unit and a gas movement device. The honeycomb rotor has at least two heat exchange passages and at least two purge zones provided respectively between the at least two heat exchange passages. The drive unit rotates the honeycomb rotor. The gas movement device circulates a gas through the at least two purge zones. The gas movement device may include a blower, and the drive unit may include a motor. In this case rotation of the blower can be synchronized with rotation of the motor. A vehicle drive device includes a power source that emits exhaust gas. The power source has a fuel battery having an air intake. Heat may be exchanged between the exhaust gas and air supplied to the air intake.

Abstract: A co-generation system and a dehumidification air-conditioner, which generates electricity and provides highly efficient air-conditioning by reducing the latent heat load of the air-conditioner. Exhaust gas from either a turbine or an internal combustion engine heats air for desorption of adsorbed moisture from a humidity rotor. The humidity rotor has a sound adsorption material to attenuate high frequency noise coming from the exhaust outlet of the co-generation system.

Abstract: A heat exchanger includes a honeycomb rotor, a drive unit and a gas movement device. The honeycomb rotor has at least two heat exchange passages and at least two purge zones provided respectively between the at least two heat exchange passages. The drive unit rotates the honeycomb rotor. The gas movement device circulates a gas through the at least two purge zones. The gas movement device may include a blower, and the drive unit may include a motor. In this case rotation of the blower can be synchronized with rotation of the motor. A vehicle drive device includes a power source that emits exhaust gas. The power source has a fuel battery having an air intake. Heat may be exchanged between the exhaust gas and air supplied to the air intake.

Abstract: A gas concentration device has a gas adsorbing element and a heat exchanger. The gas adsorbing element is divided into an adsorbing zone, and a desorbing zone. The heat exchanger has first and second flow channels. The first flow channels are separated from the second flow channels. The first flow channels receive foggy air having minute particles of water floating therein to cool process air flowing through the second flow channels via heat of vaporization consumed to evaporate the minute particles of water floating in the foggy air of the first flow channels. The second flow channels may be connected to the adsorbing zone of the gas adsorbing element such that process air cooled in the second flow channels is directed to the absorbing zone of the adsorbing element. The gas adsorbing element may further be divided into a cooling zone, such that the gas adsorbing element has absorbing, desorbing and cooling zones.

Abstract: A method and device refrigerate a fluid by adding a volatile liquid mist to a flow of a gas to saturate the gas with vapor of the volatile liquid, to cause a large amount of misty minute liquid drops of the volatile liquid to float in the gas and to form a cooling gas. The cooling gas is directed through a first flow passage of a heat exchanger having first and second flow passages. The fluid to be refrigerated is directed through the second flow passage of the heat exchanger, so that heat from the fluid is transferred to the cooling gas, while the cooling gas passes through the first flow passage of the heat exchanger to elevate the temperature of the cooling gas. A portion of the minute liquid drops floating in the cooling gas are allowed to vaporize due to the elevated temperature of the cooling gas. The temperature of the cooling gas is continuously lowered by the heat of vaporization of the vaporizing minute liquid drops.

Abstract: A method and device refrigerate a fluid by adding a volatile liquid mist to a flow of a gas to saturate the gas with vapor of the volatile liquid, to cause a large amount of misty minute liquid drops of the volatile liquid to float in the gas and to form a cooling gas. The cooling gas is directed through a first flow passage of a heat exchanger having first and second flow passages. The fluid to be refrigerated is directed through the second flow passage of the heat exchanger, so that heat from the fluid is transferred to the cooling gas, while the cooling gas passes through the first flow passage of the heat exchanger to elevate the temperature of the cooling gas. A portion of the minute liquid drops floating in the cooling gas are allowed to vaporize due to the elevated temperature of the cooling gas. The temperature of the cooling gas is continuously lowered by the heat of vaporization of the vaporizing minute liquid drops.

Abstract: A communication apparatus comprising a RAM having a back up power source; a recording/reproducing portion having a flash EEPROM, for recording at least a piece of information in the EEPROM having a plurality of sectors and for reproducing the information stored therein, each sector having a sector number and a given capacity and being independently erasable; and a recording control portion, responsive to a ring signal from a telephone line or a command signal, for receiving the information, detecting a data amount of the received information, for storing the information in at least one sector, for detecting a sector number of the at least one sector used to store the control data in accordance with the detected data amount, and for storing the detected sector number in the RAM.