An improved regenerative separating device for separating impurities from an airflow, in particular a process exhaust airflow, provides a better distribution of the airflow in an annular gap between a rotary separating unit comprising a plurality of filter blocks for adsorbing impurities from the airflow and a circumferential wall of a housing incorporating the rotary separating unit. The airflow inlet provided in the circumferential wall for introducing the airflow into the annular gap and a regeneration system for regenerating the filter blocks of the rotary separating unit by a regenerating stream passing through the filter blocks to desorb impurities adsorbed in the filter blocks are both positioned in the same circumferential sector of maximum 180 degrees.

The invention relates to a partition device (6) for a reactivation section (18) of an air treatment rotor (2) in an air treatment apparatus (1). The partition device (6) comprises at least one first partition member (31) provided with a first cover area (44), an inlet opening (46) and an outlet opening (48) for a reactivation air stream (22) and an actuating member (29) for moving and positioning the at least one first partition member (31) or a part of the at least one first partition member (31) in relation to a center axis (8) of the air treatment rotor (2) to regulate the area and shape of the reactivation section (18). The invention also relates to an air treatment apparatus (1) and a method, performed by a control device (25), for controlling an air treatment apparatus (1). The invention also relates to a computer program product and a computer-readable medium.

The disclosure relates to a heat transfer assembly for a rotary regenerative heat exchanger. The assembly includes a rotor arranged between at least two separated fluid flow passages passing flow axially through the rotor, where each flow passage is connected to a sector part of the rotor. The assembly further includes a plurality of channels in the rotor for flowing a fluid through the rotor, each of the channels is enclosed by heat transfer and heat accumulating surfaces in the rotor, and the heat transfer and heat accumulating surfaces of the channels are made in a material providing an average axial thermal conductivity less than 100 W/mK arranged to reduce the Longitudinal Heat Conductivity of the rotor.

An electric motor includes a stator, a rotor, and a magnetic sensor. The stator has an iron core and a magnetic flux coil. The rotor has a rotary shaft and a cylindrical rotor magnet. The magnetic sensor has a sensor unit that outputs an electric signal based on an applied magnetic flux. The rotor magnet is disposed so as to face the iron core of the stator. The rotor magnet has a main magnet unit and a sensor magnet unit that is formed integrally with the main magnet unit and has an external diameter smaller than an external diameter of the main magnet unit. The magnetic sensor is disposed beside the sensor magnet unit. An outer circumferential edge of the sensor magnet unit is located farther away from the rotary shaft than a center of the sensor unit. The magnetic sensor is configured such that a center of the sensor unit and a center of the magnetic sensor do not match each other, and the center of the sensor unit is closer to the sensor magnet unit than the center of the magnetic sensor.

An improved regenerative separating device for separating impurities from an airflow, in particular a process exhaust airflow, provides a better distribution of the airflow in an annular gap between a rotary separating unit comprising a plurality of filter blocks for adsorbing impurities from the airflow and a circumferential wall of a housing incorporating the rotary separating unit. The airflow inlet provided in the circumferential wall for introducing the airflow into the annular gap and a regeneration system for regenerating the filter blocks of the rotary separating unit by a regenerating stream passing through the filter blocks to desorb impurities adsorbed in the filter blocks are both positioned in the same circumferential sector of maximum 180 degrees.

There is provided a dehumidifying device for dew point temperature adjustment that adjusts a dew point temperature of air to a temperature of about 20 C. or lower, the device including an adjusting unit that adjusts a dew point temperature by adjusting at least one driving operation that is selected from a rotational frequency of a supply fan for supplying air into the dehumidifying device for dew point temperature adjustment, a rotating speed of a dehumidifying rotor, an opening degree of a blow-out air volume adjustment damper, a rotational frequency of an exhaust fan for exhausting air, and an opening degree of an exhaust air volume adjustment damper.

An air-conditioning system includes: a dehumidifying unit configured to mix air discharged from an environmental testing chamber with outside air for dehumidification and to discharge dry air; a dry air thermal controlling unit configured to thermally control the dry air discharged from the dehumidifying unit to have a temperature lower than a preset air temperature inside the environmental testing chamber; and a dry air heating unit configured to heat the dry air thermally controlled by the dry air thermal controlling unit up to the preset air temperature and to supply the dry air to the environmental testing chamber. The dehumidifying unit preferably discharges the dry air having a dew point temperature of 30 C. or less.

A ventilation unit with heat recovery, comprising a first block (2.1) having an air interconnection to the interior of the building, a third block (2.3) having an air interconnection to the exterior of the building and a second block (2.2) located between them, in which the heat recovery exchanger (14) is located, with at least one first channel (a) and at least one second channel (b). The second block (2.2) is insertable between the first block (2.1) and the third block (2.3) in such manner that the first channels (a) are airtightly connectable to one of the air ducts (21, 22) of the first block (2.1) and also to one of the air ducts (23, 24) of the third block (2.3). Also the second channels (b) are airtightly connectable to one of the air ducts (21, 22) of the first block (2.1), different from the air duct to which the first channels (a) are connectable, and the second channels (b) are also airtightly connectable to one of the air ducts (23, 24) of the third block (2.3), different from the air duct to which the first channels (a) are connectable.

The present invention relates to a dehumidifying and cooling apparatus, comprising: a housing in which a first channel and a second channel are formed; a heating unit disposed inside the first channel; a desiccant rotor which is rotatably provided inside the housing; a cooling unit disposed inside the second channel; and a refrigerant circulation unit having a refrigerant circulation circuit including a compressor and a condenser, wherein the condenser is disposed inside the second channel such that the refrigerant circulated therein, can be condensed by the heat exchange with the second air cooled by the cooling unit.

An improved regenerative separating device for separating impurities from an airflow, in particular a process exhaust airflow, provides a better distribution of the airflow in an annular gap between a rotary separating unit including a plurality of filter blocks for adsorbing impurities from the airflow and a circumferential wall of a housing incorporating the rotary separating unit. The airflow inlet provided in the circumferential wall for introducing the airflow into the annular gap and a regeneration system for regenerating the filter blocks of the rotary separating unit by a regenerating stream passing through the filter blocks to desorb impurities adsorbed in the filter blocks are both positioned in the same circumferential sector of maximum 180 degrees.