Abstract: An air blowing device includes a housing, a partition plate, an air blower, dampers, and a controller. The housing has a first side surface and a second side surface. The first side surface has inlet A and outlet A. The second side surface has inlet B and outlet B. The partition plate divides the hollow space of the housing into an upstream section and a downstream section. The upstream and downstream sections communicate with each other. The air blower conveys air from the upstream section to the downstream section. The dampers open and close the openings of inlets A and B, and outlets A and B. The controller controls air blowing of the air blower and opening and closing of each damper. Inlets A and B are disposed in the upstream section. Outlets A and B are disposed in the downstream section.

Abstract: Provided is a shutter comprising a main body and a shaft bearing. The main body has a substantially circular plate shape, and, in a closed state to close a passage, a front face of the main body is located upstream of a back face thereof in the passage. The shaft bearing is rotatably engaged with a shaft configured to divide the passage into a main passage and a sub-passage in an open state to open the passage, the sub-passage having a cross-sectional area smaller than that of the main passage. The main body includes: a main-passage-side end located in the main passage in the closed state; and a bent portion bent at the main-passage-side end in a direction from the back face side to the front face side. A parallel cross-section of the main body, the cross-section being taken along a parting plane parallel to the shaft, has a circular arc shape bowed toward the back face side from the front face side.

Abstract: Provided is a ventilation control device (2) configured to control operation of one or more ventilators communicably connected thereto, the ventilation control device including: a target total exhaust volume storage unit (14) configured to store a target total exhaust volume that is a target total volume of exhaust to be discharged within a predetermined time; an exhaust capacity storage unit (13) configured to store the exhaust capacity of each of the one or more ventilators connected to the ventilation control device (2); an exhaust volume acquisition unit (17) configured to acquire an already-discharged exhaust volume discharged from each of the one or more ventilators connected to the ventilation control device (2); an integrating unit (18) configured to calculate a total already-discharged exhaust volume by adding up the already-discharged exhaust volumes of the one or more ventilators acquired by the exhaust volume acquisition unit; and an exhaust volume control unit (11) configured to, based on the tot

Abstract: Provided is a heat exchange-type ventilation device (1) comprising: an air supply blower including an air supply motor; an exhaust blower including an exhaust motor; an air supply path (7) through which air is sent to a room from outside by the air supply blower: an exhaust path through which air is sent from the room to outside by the exhaust blower: a heat exchange element provided at a position at which the air supply path (7) and the exhaust path intersect, the heat exchange element being configured to exchange heat between room air and outside air at the time of ventilation; and a current detector configured to detect a current flowing through the air supply motor. Using a controller (11), the heat exchange-type ventilation device controls the number of revolutions of the air supply motor.

Abstract: A ventilating device including: a frame provided with an air inlet and an air outlet, an air blowing unit for directing air, a control circuit board for controlling the air blowing unit, an operation switch for adjusting a rotating speed of the air blowing unit, and a circuit board box for accommodating the control circuit board. The circuit board box includes: a first accommodating portion in which the operation switch is housed and a second accommodating portion in which the control circuit board is housed. The first accommodating portion includes: a first opening that functions as an operation port; and a panel for covering the first opening. The frame is provided with a second opening opposite to the first opening. The panel is exposed from the second opening to exterior of the frame. A sealing portion is provided around the first opening.

Abstract: Provided is a ventilation control apparatus (2) comprising: an in-home communication module configured to communicate with ventilators via an in-home network; an external communication module configured to communicate with an external server provided outside a building via an external network; a determination unit (77) configured to determine whether or not communication with the external server via the external communication module is available; a control determination unit (78) configured to determine a control method for the ventilators, based on a result of determination by the determination unit (77); and a ventilation operation control unit (76) configured to control the ventilators, based on the control method determined by the control determination unit (78).

Abstract: A pipe shield of a ventilating apparatus is disposed at an outdoor side relative to a ventilating apparatus body disposed at an indoor side, and includes a pipe shield base and a rear cover. The pipe shield has an air inlet and an air outlet disposed perpendicular to each other. The pipe shield's rear cover has a left side plate, a right side plate and a rear side plate. The distance from the pipe shield base to the rear side plate of the rear cover opposite to the air inlet of the pipe shield increases in a direction towards the air outlet of the pipe shield. A baffle is disposed at the middle portion of the rear cover, and fixed within the pipe shield by a rotating shaft fixed on the left side plate and the right side plate, the rotating shaft has a spring enabling the baffle to unfold.

Abstract: A ceiling mounted airway device with illumination, which includes a main housing, a lamp and a lamp fixing part to detachably fix the lamp to an inner wall of the main housing. The main housing includes: a first opening for exhausting air out of the main housing; and a second opening for sucking air into the main housing. The lamp includes: an electrically conductive contact terminal located at an upper end of the lamp and electrically powered via the lamp fixing part; and a flange protruding from a surface of the lamp and located below the electrically conductive contact terminal. The device further includes a shield for supporting the flange which is substantially in form of a cylinder and surrounds the electrically conductive contact terminal and the lamp fixing part.

Abstract: A range hood includes: fan unit (4) having a built-in fan; frame unit (3) connected to the fan unit; rectifier (5) disposed in a lower part of the frame unit; and communication module (7) mounted on mounting portion (6) of the frame unit. The communication module includes transmitting/receiving unit (11) and transmitting/receiving unit case (8). The communication module performs, via the transmitting/receiving unit, radio communication using radio waves with a central control unit that controls another ventilation apparatus or another air conditioning apparatus. The transmitting/receiving unit case includes case portion (9) covering the transmitting/receiving unit, and cover portion (10) connected to the case portion. The mounting portion is made of metal, has a box shape, and has opening (21) so that radio waves arrive at transmitting/receiving unit that is built-in the mounting portion. The cover portion is at least partially made of resin or glass.

Abstract: A cooling device includes body case (3a), outside air fan (14) and inside air fan (17), and heat exchange element (11). The inside of body case (3a) is divided into inside air area (51) and outside air area (52) by element casing (10). Outside air fan (14) is disposed in outside air area (52), and inside air fan (17) adjacent to inside air inlet (6) and heat exchange element (11) adjacent to inside air outlet (7) are disposed in inside air area (51).

Abstract: A heating element housing device (7) comprises a heat exchange device (6) for cooling inside a cabinet (1) by exchanging heat between internal air (8) and external air (9). An exterior fan (22a) is disposed at a bottom portion of the cabinet (1) and an interior fan (21a) is disposed at an upper portion of the cabinet (1). A case (10) houses a heat exchanger (2). The heat exchanger (2) is provided with an internal air intake port (14), an internal air outlet port (15) and an external air intake port (16). An external air outlet port (11) is provided on a side of the case (10) opposite to a cabinet door (3) for blowing out the external air (9). The exterior fan (22a) and the interior fan (21a) are both centrifugal-type fans.

Abstract: A main body case containing therein an air blower for circulating ambient air and a heat exchanger for exchanging heat between the ambient air circulated by the air blower and inside air, flange provided in main body case and having wall surface joining surface joined to wall surface where main body case is arranged, and cover attached to flange, having a louver in a side of the inside air, and a plurality of opening holes in a side of the ambient air and covering the ambient air side of main body case, thereby making an attachment and a detachment of cover easy, and achieving a reduction of a maintenance work.

Abstract: A control device accommodating unit (15) is provided in a section (50) accommodating an indoor air blower (7) adjacently to an indoor air flow-in port (16), and an impeller (7c) of the indoor air blower (7) is sequentially opposite to the indoor air flow-in port (16) and the control device accommodating unit (15) by rotation of the impeller (7c), and a space (51) is formed between the indoor air flow-in port (16) and the control device accommodating unit (15). In this configuration, it is possible to obtain a cooling device decreased in drop of air flow rate and drop of cooling performance due to mounting a control device (14).

Abstract: A heat exchanger device of the invention having a body case provided with a first air intake port and a first discharge port for a first environment in a front surface thereof, and a second air intake port and a second discharge port for a second environment in a back surface thereof, an air-blow fan for the first environment provided in the body case, and a heat exchanger inside the body case for exchanging heat between the air in the first environment and the air in the second environment, and is configured such that opposed two surfaces are provided with an air suction port for a first environment and an air suction port for a second environment, respectively, and the other surface is provided with an air blow-off port for the first environment and an air blow-off port for the second environment, respectively.

Abstract: The invention is provided with main body case (4) containing therein an air blower for circulating ambient air and a heat exchanger for exchanging heat between the ambient air circulated by the air blower and inside air, flange (13) provided in main body case (4) and having wall surface joining surface (13b) joined to wall surface (2a) where main body case (4) is arranged, and cover (12) attached to flange (13), having a louver in a side of the inside air, and a plurality of opening holes in a side of the ambient air and covering the ambient air side of main body case (4), thereby making an attachment and a detachment of cover (12) easy, and achieving a reduction of a maintenance work.

Abstract: A heat-exchanging device employed in a heat generator casing with a small installation area. The heat-exchanging device includes a heat exchanger, a first air blower, and a second air blower in a first case. The first case includes a first inlet, a first outlet, a second inlet, and a second outlet. The first outlet is disposed in a direction different from a direction facing the first inlet. The second outlet is disposed in a direction different from a direction facing the second inlet. A first path where a first fluid flows and a second path where a second fluid flows cross in the heat exchanger. Heat is exchanged between the first fluid and the second fluid. The first air blower establishes a first passage where the first fluid flows from the first inlet to the first outlet via the first path. The second air blower establishes a second passage where the second fluid flows from the second inlet to the second outlet via the second path.

Abstract: In the heat exchanger of a heat exchange device of the present invention, first protrusions (26) are provided on a part of first rectification walls (22) of first plate member (15) so as to protrude into first recessed portions (25) which are formed on second plate member (16) close to first plate member (15) when second rectification walls are formed on second plate member (16). Second protrusions (27) are provided on apart of second rectification walls (23) of second plate member (16) so as to protrude into second recessed portions (25a) which are formed on third plate member (17) close to second plate member (16) when third rectification walls (24) are formed on third plate member (17).

Abstract: A control device accommodating unit (15) is provided in a section (50) accommodating an indoor air blower (7) adjacently to an indoor air flow-in port (16), and an impeller (7c) of the indoor air blower (7) is sequentially opposite to the indoor air flow-in port (16) and the control device accommodating unit (15) by rotation of the impeller (7c), and a space (51) is formed between the indoor air flow-in port (16) and the control device accommodating unit (15). In this configuration, it is possible to obtain a cooling device decreased in drop of air flow rate and drop of cooling performance due to mounting a control device (14).

Abstract: There is provided a cooler for heater-containing box in which an outside air fan for carrying air on an outside air path and an inside air fan for carrying air on an inside air path are arranged such that a rotating shaft of each fan is in parallel with an air intake direction, and a heat exchanger for exchanging sensible heat of outside air and inside air is arranged between the outside air path and the inside air path such that a suction port at a longitudinal air-path side of the heat exchanger is aligned with a blowout port of the fan. The cooler for heater-containing box capable of making the depth thinner can be provided.

Abstract: A heat exchange type cooling device includes an enclosure, an inside-air passage allowing inside air in the inside of the enclosure to flow through the inside-air passage and returning the flowing inside air to the inside, an outside-air passage allowing outside air at the outside of the enclosure to flow through the outside-air passage and returning the flowing outside air to the outside, an inside-air blower sending the inside air to the inside-air passage, an outside-air blower sending the outside air to the outside-air passage, a heat-exchanging element exchanging heat between the outside air flowing through the outside-air passage and the inside air flowing through the inside-air passage, and a heater for heating the inside air. The outside-air passage is independent from the inside-air passage. The heater is provided upstream of the heat-exchanging element in the inside-air passage.