Abstract: A ventilation system for an interior room is provided, having a first air suction device, a second air suction device, a suction volume control device, a first air conduction pipe, a second air conduction pipe, a vacuum generating device and a control unit. The suction volume control device affects an air flow from the first and the second air suction device to the first and the second air conduction pipe, respectively, wherein the control unit controls the suction volume control device so that the air flow from the first air suction device to the first air conduction pipe is controllable.

Abstract: A ventilation unit for generating an air flow comprises a centrifugal rotor able to rotate about an axis of rotation, a diffuser comprising a first and a second outlet, the outlets being positioned on opposite sides of the centrifugal rotor and delimiting a blowing duct; the centrifugal rotor is inserted in the blowing duct and is aligned with the first outlet and with the second outlet according to a main axis which is perpendicular to the axis of rotation.

Abstract: Disclosed therein is an air conditioner for a vehicle which includes a sealing member attached to one side of a door member of a mode door face-sealed with the inner face of an air-conditioning case by the inside wind pressure of the air-conditioning case so as to prevent vibration of the door member by wind pressure of the inside of the air-conditioning case and prevent air leakage from the face-sealed part, and which includes a rib formed on the door member for preventing excessive pressure of the sealing member in order to make actuating force of the door member uniform and to enhance a passenger's sense of manipulation.

Abstract: A ventilation device performs ventilation by supplying outdoor air indoors as supply air and exhausting room air outdoors as exhaust air. The ventilation device includes a heat exchange unit provided with a heat exchange element that performs heat exchange between the supply air and the exhaust air and a humidification unit provided with a humidification element that humidifies the supply air. The heat exchange unit is provided with a supply air blower with which the outdoor air is suctioned and sent to the humidification unit and a supply air delivery port with which supply air sent from the supply air blower is delivered and guided to the humidification unit. The humidification unit is provided with a supply air introduction port that introduces supply air delivered from the heat exchange unit, and a supply air duct that regulates spreading of supply air introduced from the supply air introduction port.

Abstract: An environmental improvement system for placement within a room bounded by a floor and a ceiling is provided herein. In one embodiment, the system comprises a duct system that extends through the open volume of the room from the floor to the ceiling. The duct system comprises a base unit at a first end terminating proximate the floor, a support unit at a second end terminating proximate the ceiling, and a duct connecting the base and support units. The base unit defines a first opening, and the support unit defines a second opening. At least one fan is disposed between the first and second openings and draws air from the room into and through the system and discharges the air from the system. The first and second openings are each adapted to selectively act as an intake opening or as a discharge opening.

Abstract: Systems and methods for controlling a system of fans in a facility from a central system controller are disclosed herein. In one embodiment, the system of fans can be configured to shut down automatically during an emergency condition or event. For example, a fan system controller can be connected to the system of fans and provide a signal to each of the fans. While each of the fans receives the signal, power is connected to a motor on each of the fans. Upon detection of an emergency condition, the fan system controller disconnects the signal to the fans, thereby automatically simultaneously shutting down the entire system of fans.

Abstract: The present invention relates to a heat exchanger, a method for manufacturing the same, a heat recovery ventilator (HRV) including the same, and a method for defrosting and checking operations thereof.

Abstract: Systems and methods are disclosed of removing heat generated by lighting, e.g., in an indoor grow environment. An example method includes providing a first manifold with an inlet to receive cool air, and a plurality of outlets. The example method also includes providing a second manifold with a plurality of inlets to receive air, and an outlet. The example method also includes providing ducts connecting the outlets of the first manifold to the inlets of the second manifold. The example method also includes connecting the ducts to lighting fixtures of the indoor grow environment, for air to move through the ducts. The example method also includes providing an air mover to pull air through the manifolds and ducts and remove heated air from an area of the lighting fixtures.

Abstract: The invention relates to a recessed hollow profile for mounting to a wall system in a wall of a building, which allows ventilation with efficient decentralised energy recovery. The invention also relates to a system for ventilating a room.

Abstract: A ventilation system includes a housing having an inlet and an outlet to facilitate air flow, a fan coupled within the housing, a filter removably coupled within the housing and a litter box coupled to the housing. In implementations the ventilation system defines a flow direction for air exiting the litter box and the fan is positioned prior to the filter in the flow direction. In implementations an adhesive element having an opening is coupled to the bottom of the housing and the opening is aligned with the inlet, and a transparent coupler is coupled to the adhesive element, the transparent coupler blocking at least one vent of the litter box and the transparent coupler having an opening aligned with the inlet. In implementations the ventilation system defines substantially only a single flow direction for the air flow, the flow direction being in an upwards direction from the litter box.

Abstract: A baffle for directing air in a convection oven is disclosed herein. The baffle includes upper vents, lower vents and side vents that direct air from a fan into the cooking chamber of the convection oven. Left and right conduits are disposed around the fan that collect the air and direct the air to the upper and lower vents. The left and right conduits and locations of the upper and lower vents are configured to produce an even distribution of cooking temperatures throughout the cooking chamber.

Abstract: A system and method for providing a substantially constant volume exhaust or ventilation air terminal system is shown for controlling exhaust and/or return airflow rates in a system having a central fan or ventilator. The system and method permits zone-by-zone or area-by-area airflow regulation or control in non-demand areas in response to a demand or call for ventilation in demand areas. In one embodiment, the system employs at least one constant airflow controller or regulator situated in a damper. In one embodiment, a terminal houses a plurality of sub-ducts each having an airflow regulator. At least one of the sub-ducts has a damper. When the damper is open, a maximum airflow through the terminal is a sum of maximum airflow permitted by the regulators.

Abstract: A first element and a second element are disposed in postures such that the length directions of the elements are parallel to each other. The first element is disposed in a posture such that a pair of opposing surfaces where a longitudinal flow passage is open is parallel to one main plate. The second element is disposed in a posture such that a pair of opposing surfaces where a longitudinal flow passage is open is parallel to the one main plate. A mixing flow passage formed as a result of the first element and the second element being disposed with a gap therebetween in a facing direction of side plates is provided between a transverse flow passage of the first element and a transverse flow passage of the second element.

Abstract: Embodiments of the invention provide a ventilation system comprising a housing. The housing includes an inlet through which air is received and the housing is capable of being installed within a structure. A ventilating assembly can be supported within an interior of the housing. The ventilating assembly can be operable to generate a flow of air and can be in fluid communication with the inlet. The system can include a thermal damper assembly comprising an aperture and a substantially non-metallic curtain. The damper assembly is capable of being coupled to the housing so that the aperture of the thermal damper assembly and the inlet of the housing are in fluid communication with each other. In some embodiments, the thermal damper assembly is configured and arranged to be uncoupled from the housing after the housing has been installed within the structure to provide access to the interior of the housing.

Abstract: Provided is an air adjuster that maintains low-noise performance of back-inlet types and allows realization of efficient airflow from the front side toward the back side thereof and prevents the occurrence of stagnant air. The air adjuster includes a housing in which air inlets and an air outlet are formed; a blower that sucks in air through the air inlets; and a conditioning unit that conditions the air sucked in by the blower. The air inlets are located on the back side of the housing, and the air conditioned by the conditioning unit is blown to the outside through the air outlet. The housing allows the air to pass through a space between a bottom surface thereof and a placement surface, and the housing is provided with leg units that form a gap whose vertical dimension on the front side is smaller than that on the back side.

Abstract: An air blowing device adapted to be used in such a manner that at least two of the devices are horizontally and/or vertically aligned with each other, thereby to obtain a uniform flow of air in the downstream direction from device to device. An air-permeable front surface (11f) is formed to the blowing device (1) at the downstream side of a rectifier mechanism, and side surface sections (11a) which extend in the upstream direction of the device (1) are formed at both edges of the air-permeable front surface (11f). First ventilation holes (70a) are distributed at the air-permeable front surface (11f), and second ventilation holes (70b) are distributed at the side surface sections (11a).

Abstract: Disclosed is an apparatus for circulating air. The apparatus comprises a hollow handle assembly having a proximal end and a distal end. The apparatus further includes an air circulation assembly pivotally secured to the proximal end of the hollow handle assembly. The air circulation assembly is capable of generating an air-flow. Moreover, the apparatus includes a connecting fixture coupled to the distal end of the hollow handle assembly. The connecting fixture is capable of being received in a receptacle for a lighting appliance and for providing an electrical connection to the apparatus for circulating the air. The air circulation assembly is adapted to have an angular motion in all directions about the hollow handle assembly.

Abstract: A ceiling mounted ventilation fan comprises a main housing including a first opening communicating with a duct and a second opening communicating with inside of a room, and a fan unit including a fan casing having an air inlet opened in the main housing, and the fan casing includes a first engagement part releasably engaged with the first opening of the main housing, and a second engagement part releasably engaged with an inner wall of the main housing, positioning of the fan casing in an installation position is achieved in a state that the first engagement part is engaged with the first opening and the second engagement part is engaged with the inner wall of the main housing, and a state of the engagement can visually be confirmed through the second opening in a state that the positioning is achieved.

Abstract: A ventilation apparatus is provided. The ventilation apparatus may include a base, frames positioned on the base, a rear panel positioned behind the frames and having an interior air discharge port and exterior air suction port formed therein, a top cover positioned on top of the frame and having exterior air discharge port formed therein, and a front panel positioned in front of the frames and having an interior air discharge port formed therein. Heat exchangers disposed in the frames may include interior and exterior air passages. An exhaust fan and air supply fans provide for air flow through the apparatus, guide by the frames. Use of the frames to guide air flow simplify structures and may enhance efficiency by simplifying the passages of the exterior and interior air through the apparatus.

Abstract: The present invention relates to a system (100) for ventilating a defined space (102), such as for example an enclosed or at least partly enclosed basement, crawlspace or attic. The system (100) comprises a control unit (110) connected to at least one inside sensor (104), at least one outside sensor (106) and a controllable fan (108), the control unit (110) being configured to operate the controllable fan (102) if the absolute humidity (AHout) outside of the defined space (102) is lower or equal to the absolute humidity (AHin) within the defined space (102), and the temperature (Tin) within the defined space (102) is above a predetermined temperature when the temperature (Tin) outside of the defined space (102) is below the temperature (Tin) within the defined space (102). Advantages of the invention include energy efficient ventilation of the defined space and a high level of protecting from moisture related problems.

Abstract: An indoor unit of air conditioner comprises a panel body (2) enclosing side portions and a top portion of the air conditioner, a rear shell enclosing a rear portion of the air conditioner, and the front panel (1) arranged in the front of the air conditioner and closely connected to the panel body (2). The rear shell, the panel body (2) and the front panel (1) form an inner chamber of the air conditioner in which a heat exchanger, a control element and a fan component are provided. Side surfaces of the indoor unit of air conditioner are of a U shape structure, and the front, the rear and the bottom surfaces of the lower portion of the indoor unit of air conditioner are formed by more than one curved surface.

Abstract: An air moving system includes an air moving device including a housing member, a rotary fan assembly, and a nozzle, the housing including a plurality of air intake vents. The nozzle is configured to move relative to a longitudinal axis of the air moving device. The air moving system includes a ceiling grid structure. The air moving device is configured to rest within a grid within the ceiling grid structure or within an opening in the ceiling.

Abstract: A self-contained pre-manufactured roof top unit is used to circulate fresh air, heat or cool a building. The housing has a blower connected into a circulation system to circulate air into and out of the building. The unit has a pressure relief opening for connection into the building that is used to relieve air pressure buildup within the building. The pressure relief opening is part of a pressure relief passage that is independent of the blower and has an exhaust vent that opens and closes automatically in response to pressure differential between the building and ambient air.

Abstract: A seamless wall finishing system has a plurality of wall panels which are spaced apart from an exterior wall. The spacing creates an air gap which provides an airflow passage between the exterior wall and the second surface of the wall panels. The wall panels have a mold resistant non-organic thread or yarn wall covering which is adhered to a central portion of a first surface of each of the wall panels. The wall panels define a pair of uncovered areas on opposite sides of each of the plurality of wall panels. A vertically extending seam is created between adjacent wall panels which is filled with a seam tape made from the mold resistant nylon yarn wall covering. An air circulation system is provided for circulating air behind the wall panels. A method of assembling the modular basement wall finishing system is also provided.

Abstract: A fan apparatus includes an array of a plurality of axial fans arranged in at least two rows and at least two columns in parallel with a mounting surface provided in a case of an electronic device. Each of the plurality of axial fans has a rotation axis extending perpendicularly or substantially perpendicularly to the mounting surface. At least one of the plurality of axial fans is arranged to rotate in a first rotation direction to introduce air into the case or discharge air out of the case, while the other of the plurality of axial fans are arranged to rotate in a second rotation direction opposite to the first rotation direction to cause a flow of air in the same direction in which the at least one axial fan is arranged to cause a flow of air. Thus, a reduction in noise is achieved.

Abstract: An assembly of pipe hood and pipe unit for a ventilating fan, comprising a front cover, a rear cover and a pipe unit, characterized in that: a baffle is vertically provided in the pipe unit to divide the pipe into an air inlet pipe and an air outlet pipe on the left and right sides respectively; a partition plate is vertically provided in the rear cover corresponding to the baffle to divide the space enclosed by the front cover and the rear cover into an air inlet side and an air outlet side on the left and right sides respectively; an external air inlet opening and an external air outlet opening are provided on the outer side of the rear cover on the left and right sides respectively; an internal air inlet opening and an internal air outlet opening are provided on the inner side of the rear cover on the left and right sides respectively; an air inlet passage and an air outlet passage are formed in parallel to each other on the left and right sides respectively.

Abstract: Disclosed is an apparatus for circulating air. The apparatus comprises a hollow handle assembly having a proximal end and a distal end. The apparatus further includes an air circulation assembly pivotally secured to the proximal end of the hollow handle assembly. The air circulation assembly is capable of generating an air-flow. Moreover, the apparatus includes a connecting fixture coupled to the distal end of the hollow handle assembly. The connecting fixture is capable of being received in a receptacle for a lighting appliance and for providing an electrical connection to the apparatus for circulating the air. The air circulation assembly is adapted to have an angular motion in all directions about the hollow handle assembly.

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 ventilating apparatus is disclosed, by which an installation of the apparatus is conveniently facilitated. The present invention includes a blower device supplying an outdoor air to an indoor space and discharging an indoor air to an outdoor space, a heat exchange unit performing heat exchange between the outdoor air supplied to the indoor space and the indoor air discharged to the outdoor space, and a case having a first chamber receiving the heat exchange unit therein and a second chamber receiving the blower device therein to communicate with the first chamber.

Abstract: A cooling unit to cool the display apparatus including a heat generating unit to generate heat and a casing to accommodate the heat generating unit, the cooling unit includes a cooling fan to generate air flow; a duct which is coupled with the casing and forms a cooling path to connect the cooling fan and the heat generating unit; an inlet portion which is provided to one side of the casing to communicate with the duct; an inlet grill which is provided in the inlet portion to guide air to be inhaled in a direction inclined to a rear surface of the casing; an outlet portion which is provided to an other side of the casing to communicate with the duct, being spaced from the inlet portion; and an outlet grill which is provided in the outlet portion to guide air to be exhaled in a direction inclined to a rear surface of the casing, wherein the exhaled direction provided by the outlet grill is different from the air-inhaling direction provided by the inlet grill.

Abstract: The present disclosure relates to a ventilation system for a building including a conditioning unit, a ventilation unit and a control unit. The conditioning unit is mounted in at least one of a door and a wall of the building for conditioning air as it moves through or into the building. The conditioning unit includes at least one air inlet and an air outlet, spaced from the air inlet. The at least one air inlet communicates with at least one of air within the building and atmosphere and the air outlet communicates with air within the building. The ventilation unit is spaced from and communicates with the conditioning unit for expelling air from the building to atmosphere. The ventilation unit includes an air inlet and an exhaust air outlet, spaced from the air inlet. The air inlet communicates with air within the building and the exhaust air outlet communicates with atmosphere.

Abstract: A modular heat recovery ventilation system includes a modular heat exchanger and a modular apparatus spaced from the heat exchanger for delivering both fresh air and exhaust air to the heat exchanger. The apparatus includes separate blowers for generating two separate air streams. The apparatus includes an access plate at the bottom thereof allowing access to the interior of the enclosure of the apparatus through a ceiling.

Abstract: A combination bath fan, register box, air conditioning and heating boot requires one opening on the wall or the ceiling of the bathroom, thus reducing the installation and maintenance costs associated with the ventilation of the bathroom. The combination includes a trim kit or assembly which is adapted to be fitted into a rough-in kit or assembly. The rough-in kit or assembly, typically mounted onto a building stud during the early phases of the building construction, has an air outlet which is connected to the outside air and an Inlet for receiving conditioned air to be distributed within a confined space. The trim assembly or kit is installed in the rough-in assembly. Louvers are provided around the perimeter of the face plate of the trim assembly to dispense conditioned air from the air inlet to the confined space with the appropriate air gradient. Air flow through the louvers is controlled using one or more slidable dampers mounted above the louvers.

Abstract: A combination bath fan, register box, air conditioning and heating boot requires one opening on the wall or the ceiling of the bathroom, thus reducing the installation and maintenance costs associated with the ventilation of the bathroom. The combination includes a trim kit or assembly which is adapted to be fitted into a rough-in kit or assembly. The rough-in kit or assembly, typically mounted onto a building stud during the early phases of the building construction, has an air outlet which is connected to the outside air and an inlet for receiving conditioned air to be distributed within a confined space. The trim assembly or kit is installed in the rough-in assembly. Louvers are provided around the perimeter of the face plate of the trim assembly to dispense conditioned air from the air inlet to the confined space with the appropriate air gradient. Air flow through the louvers is controlled using one or more slidable dampers mounted above the louvers.

Abstract: In highrise residential buildings, venting to remove smoke from corridors is required in case of fire. A method of venting smoke from a multi-floor building by providing a single supply and exhaust venting shaft communicating with each floor, with an air supply and exhaust grille opening into each corridor and communicating with the venting shaft; providing a supply source of pressurized air, and an exhaust source of reduced pressure each communicating with the venting shaft, and damper means for selectively closing or opening the communication of the supply source of pressurized air and exhaust source of reduced pressure to the venting shaft. Under normal conditions where pressure is desired in the corridors, the supply source is operating and the communication of the supply source is open to the venting shaft and the exhaust source communication to the venting shaft is closed.

Abstract: A ventilator for clothes dryers and the like includes a counterflow heat exchanger through the wall of the building containing the apparatus, with an entry passage for ambient air entering the building and an exist passage for heated waste air leaving the building. An external housing defines an outlet chamber communicating with the exit passage, and an inlet chamber communicating with the entry passage. The chambers are both open to the ambience, and the two openings are adjacent one another, with a damper mounted for pivotal movement between a closed position in which the damper closes both of the openings, and an open position in which it opens both of the openings. The damper is biased toward the closed position, but is moveable toward the open position by a build-up of air pressure in the exit passage.