Abstract: An illustrative example embodiment of an elevator cab air purification device includes a housing having an inlet, an outlet, and at least one air pathway between the inlet and the outlet. A fan module is situated to cause air flow into the housing through the inlet, through the housing, and out of the housing through the outlet. The air flow through the housing includes air flow along the at least one pathway in at least a first direction. An air purifier is situated within the housing and configured to purify air that flows along the at least one pathway before the air exits the housing through the outlet.

Abstract: An intelligent robot includes at least one accessory to measure activity and state in proximity to the robot; an air filtration module housed in a casing made of a UV blocking material; and a control center to analyze output of the at least one accessory, to recognize a known target user according to the analysis and to control functionality of said robot and the air filtration module for said known target user according to saved preferences for said known target user.

Abstract: A diffuser assembly includes a housing that defines an internal chamber having an open end, a return air outlet, and a supply air inlet; a cover sized to cover the open end, wherein the cover defines a return air inlet and a supply air outlet; and an internal return air duct longitudinally extending within the internal chamber and connecting the return air inlet and the return air outlet, wherein the internal return air duct includes an inner duct surface that defines a return air chamber within the internal return air duct and an outer duct surface that defines a supply air chamber between the housing and the outer duct surface, wherein the supply air chamber defines a supply air path between the supply air inlet and the supply air outlet.

Abstract: A capsule pod sleeping chamber with a ceiling and walls adjacent to the ceiling sealing an interior space to prevent a mixture of air between the interior space and a communal space exterior to the portable enclosure. The capsule pod sleeping chamber has first duct to route supply air into the interior space from a first area that is separated from the communal space and a second duct to route exhaust air out from the interior space to a second area separated from the communal space. Lastly, the capsule pod sleeping chamber has a plurality of apertures located in at least one wall of the plurality of walls that include the first aperture opening into the first duct and the second aperture opening into the second duct.

Abstract: Provided is an air conditioner. The air conditioner comprising a housing having an inlet and an outlet, a fan in the housing to suck in air through the inlet and discharge air through the outlet, and including a plurality of fan blades with an installation space between two fan blades of the plurality of fan blades, a fan driver coupled to an end of the fan by a fastener, to drive the fan, wherein the installation space is positioned to allow the fastener to pass through the installation space to couple the fan driver to the fan, and a stabilizer including a body having at least a portion extending along the fan at a first distance from the fan, and so as to not be over the installation space as the fan rotates, and a modifier extending along the fan at a second distance, which is greater than the first distance, from the fan, and so as to be over the installation space for at least part of a full rotation of the fan as the fan rotates.

Abstract: A room ventilation system ventilates a structurally enclosable first room as exemplified by a restroom. A second room adjoins the first room with a shared wall therebetween. A fan assembly is mounted within the shared wall such that the airflow from the fan assembly is directed toward the first room. A vent cover in downstream adjacency to the fan assembly has first louvres for re-directing airflow from the fan assembly in a first oblique, downward direction. A vent cover in upstream adjacency to the fan assembly has second louvres for re-directing airflow from the second room in a second oblique, downward direction. Circuitry, in electrical communication with a power source and the fan motor assembly, includes a switch for enabling the user to selectively power the fan motor thereby directing airflow from the second room into the first room for replacing air within the first room.

Abstract: A greenhouse comprising a growing section and a climate control system adjacent to the growing section. The climate control system controls the environment within the growing section by flowing ambient air from outside the greenhouse into the growing section, re-circulating air from the growing section back into the growing section, or a combination thereof. A method for controlling the temperature within a greenhouse growing section comprises flowing air into the growing section from outside the greenhouse to reduce the temperature in the growing section. Warm air is flowed into the growing section to increase the temperature in the growing section, and air within the growing section is re-circulated when the temperature therein is at the desired level.

Abstract: A seat conditioning module for a seat conditioning assembly including an air mover, an intake port, outtake port, wherein at least one of the intake port, the outtake port, or both are in fluid communication with a seat surface. A valve assembly with at least two apertures movably disposed between the air mover and the at least one intake and at least one outtake ports. An actuation device for moving the valve assembly to control the passage of the fluid through the at least two apertures. An optional conditioning device in fluid communication with the air mover and the seat surface. A control device for at least controlling the position of the at least two apertures of the valve assembly, the activation of the optional conditioning device, the operation of the air mover, or any combination thereof.

Abstract: A radiation shielding device for meteorological observation with internal air circulation including: a body for allowing meteorological sensors to be mounted therein; a cover for covering the body by engaging with the body; and a modified Venturi tube which is physically formed while the body and the cover are engaged with each other; wherein, the modified Venturi tube is configured as a first opening for receiving external air from an exterior of the body, a second opening for receiving internal air from an interior of the body, and a third opening for releasing the received external air and the received internal air, and wherein, the external air gets into the modified Venturi tube through the first opening, the internal air gets into the modified Venturi tube through the second opening, and the external air and the internal air are released from the modified Venturi tube through the third opening.

Abstract: A dishwashing appliance includes a tub defining a wash chamber. An inlet is defined in the tub and provides air flow into the wash chamber. A diverter disk is proximate the inlet and upstream of the wash chamber. The diverter disk is rotatable between a first position and a second position. The diverter disk permits air flow into the wash chamber via the inlet in a first direction when the diverter disk is in the first position and in a second direction when the diverter disk is in the second position.

Abstract: The present invention is an assembly, system, and methods for enveloping a sleeper in a lower/higher temperature area of filtered and cooled/warmed air to promote a healthy sleeping environment. The invention maintains the environment around the sleeper between a lower temperature and an upper temperature. The invention consists of a hollow platform supporting a mattress, a cooling compressor/heat exchanger and ducting within the platform to mix the incoming and processed air before the air is blown onto the sleeping area through a plurality of louvers in a hollow headboard higher and wider than the sleeping platform. The headboard directs the air over the sleeper such that the sleeper is shielded from higher/lower temperature air in the room containing the invention.

Abstract: An elevator system (20) is provided including a hoistway (22) and an elevator car (24) movable within the hoistway (22) between a plurality of landings (26). The elevator car (24) includes at least one air scoop (70) configured to fluidly couple an interior of the elevator car (24) to the hoistway (22) such that a controlled fluid flow may pass there between. The hoistway (22) may or may not include a ventilation opening (50) configured to couple the hoistway (22) to an air source disposed outside of the hoistway (22).

Abstract: A set of methods and apparatus for efficiently pressurizing and ventilating an air-supported greenhouse or other structure requiring pressurization and ventilation. A method for efficiently pressurizing and ventilating an air-supported structure comprises directing any external wind flow and external wind pressure into mechanical flow means, such as a fan, or fans in parallel, operating in the intake direction, and into the internal space of the air-supported structure and out of the internal space of the air-supported structure through internal pressure regulating exhaust means, whereby the internal space of the structure will be ventilated and pressurized with the assistance of any external wind and the reliability of mechanical flow means (fans).

Abstract: An air conditioner includes: a stepped portion provided on a side of an outlet of an air passage wall; an air passage extension having a rotary shaft in the outlet, the air passage extension being rotatable in an opening direction about the rotary shaft to bring a rear end into abutment with the stepped portion in such a manner that the air passage extension integrates with the air passage wall to form a curved surface of a predetermined curvature; and a rotary mechanism configured to cause the air passage extension to rotate in such a manner as to bring the rear end into abutment with the stepped portion when the air conditioner is put into operation.

Abstract: Apparatus and associated methods relate to a unitary cabin body having a utility compartment and a laterally adjacent personal compartment, the utility compartment forming a water reservoir in controlled, gravity-fed fluid communication with a climate control compartment, and a laterally directed outlet providing fluid communication from the climate control compartment to the personal compartment. In an illustrative example, the climate control compartment may be integrally formed to provide an evaporative cooling compartment and a plenum compartment. A float valve may regulate fluid communication from the water reservoir to the evaporative cooling compartment, for example. In various embodiments, a unitary roof body may engage the unitary cabin body in a stowed mode for transport, for example, and be raised above the unitary body in a deployed mode for occupancy.

Abstract: In an air conditioner, an air flow guide panel (20) and a speaker (21) are provided in a vicinity of an outlet (5). The air flow guide panel (20) is operable to form a duct-like outlet passage (10) in the vicinity of the outlet (5), and, in the duct-like outlet passage (10), a speaker (21) radiates a sound wave for canceling out operation noise including blower sound of a fan (7).

Abstract: An apparatus includes a frame forming a sleeping space. The apparatus includes a climate control system connected to the frame, the climate control system having a hot side and a cold side, wherein the cold side is positioned toward the sleeping space. The apparatus includes an insulating canopy supported by the frame. The insulating canopy includes an outer layer, a separator layer, a reflective layer, and an inner layer. The separator layer provides an air cavity that reduces conductive heat transfer between the surface layer and the reflective layer.

Abstract: A ventilation unit is arranged to effect flow reversal, according to two opposite directions, of a gas flow generated by a fan without reversing the rotation direction of the fan. The ventilation unit includes a fan, at least a first piping arrangement through which a gas flow is intended to pass in one of the two possible directions depending on whether it is blown or sucked by the fan, and a switching assembly arranged between the fan and the first piping arrangement, at least a switching device being provided in the switching assembly and being movable between two positions for selectively and alternately connecting the first piping arrangement to a delivery duct and to a suction duct of the fan, so as to allow the passage of a gas flow in a direction or in the opposite direction within the first piping arrangement.

Abstract: An energy efficient HVAC system. The system provides a bypass air supply duct, an air handler having a bypass air supply circuit, and an air supply unit that utilize return air as a source of heat that would otherwise need to be provided by a heating coil if the air, cooled sufficiently to service interior zones of a building, is too cold for servicing perimeter zones of the building, as is typically the case when the outside air temperature is low.

Abstract: A system and method of measuring duct leakage in an HVAC system including an indoor unit assembly operably coupled to a processing device, wherein at least one supply air conduit, and at least one return air conduit are coupled to the indoor unit assembly by operating a blower system at a nominal airflow rate, restricting airflow in each of the at least one supply air conduits, and each of the at least one return air conduits; operating the blower system, within the indoor unit assembly, at a first airflow rate; and operating the processing device to calculate a duct leakage airflow and duct leakage measurement.

Abstract: The present invention concerns a ventilation group that is capable of causing reversal of a gas flow according to two opposite directions, and that can be applied, in particular, to plants for the aerobic treatment of organic wastes through a phase of fermentation/bio-oxidation performed by means of forced air.

Abstract: A humidity reducing vent for a washing appliance such as a dishwasher or washing machine employs a jet pumping action allowing a single electric blower to move and mix humid air exhausted from the washing appliance washing chamber and external dry air streams together prior to discharge so as to reduce condensation outside of the washing appliance.

Abstract: Disclosed is a habitat assembly comprising a habitat structure for undertaking hot work. Air is supplied to the habitat by an air supply system, through a conduit. The air supply system comprises a fan or blower. Means for altering the temperature or humidity of the air supplied to habitat is positioned down stream of the fan or blower. The fan or blower both creates and maintain an overpressure within the habitat structure and pumps air through the means for altering the temperature or humidity. The means for altering temperature may comprise a heater and/or an air conditioning unit. Also disclosed in an air conditioning unit for a habitat assembly, adapted to facilitate emergency shut down.

Abstract: A set of methods and apparatus for efficiently pressurizing and ventilating an air-supported greenhouse or other structure requiring pressurization and ventilation. A method for efficiently pressurizing and ventilating an air-supported structure comprises directing any external wind flow and external wind pressure into mechanical flow means, such as a fan, or fans in parallel, operating in the intake direction, and into the internal space of the air-supported structure and out of the internal space of the air-supported structure through internal pressure regulating exhaust means, whereby the internal space of the structure will be ventilated and pressurized with the assistance of any external wind and the reliability of mechanical flow means (fans).

Abstract: A ventilation system (1) for air ventilation is disclosed, comprising a continuous duct (5) having openings at both ends, an air flow generator (2) arranged inside the duct to be rotatable around an axis of rotation so that, positioned in different rotational positions, the air flow generator is capable of producing a substantially axial air flow in each of the two directions through the duct, respectively, one or more registers arranged to be moveable between different positions, in at least one of which positions the one or more registers (6) leave the duct (5) open for air passage, whereas in another of the positions the one or more registers (6) substantially block the air passage through the duct (5), means for rotating the air flow generator (2), and means for moving the one or more registers. Furthermore, methods for controlled active and passive ventilation, respectively, through the duct of such a ventilation system (1) are disclosed.

Abstract: Air flow designs for controlling the temperature in a temperature controlled compartment in a refrigerator are disclosed. One configuration includes a refrigerator with a cabinet having a freezer compartment and refrigerator compartment. The refrigerator may be configured with a first air return pathway between the refrigerator compartment and the freezer compartment for returning relatively warm air from the refrigerator compartment to the freezer compartment and a second air return pathway between the refrigerator compartment and the freezer compartment. A fan may be associated with the first or second air return pathway, that when activated the first or second air return pathway acts as an air supply pathway to supply cold air from the freezer compartment to the refrigerator compartment.

Abstract: A synthetic jet driven cooling device includes at least one synthetic jet actuator to generate and project a series of fluid vortices. A manifold coupled to the synthetic jet actuator(s) receives the fluid vortices and generates a primary air stream. An air amplifier connected to the manifold by a connecting pipe receives the primary air stream. The air amplifier includes an air intake oriented perpendicular to the connecting pipe and an air outlet positioned opposite the air intake, with a venturi section positioned between the air intake and air outlet that has a diameter smaller than the air intake diameter. A low pressure region in a center of the venturi section entrains a surrounding air in through the air intake to generate a secondary air stream that combines with the primary air stream to generate a combined air flow that flows through the venturi and exits the air outlet.

Abstract: A box-type generator driven by an engine, comprising a box-type soundproof hood assembly (3) enclosing the whole generator, a controller (2), an oil tank (19), a front and a back fans (13, 14), air ducts (11, 12), a permanent magnetic generator (4), an engine (5), a double-cavity type muffler assembly (6) and the like. With the novel designs such as forward fans air inlet (17) and controller arrangement, dual cooling air ducts and double muffler structure, and the integrated overall layout of the control system, the box-type generator ensures a generator cooling system to sequentially cool down heating components in a temperature ascending order, thus effectively reducing the system noise of a generator assembly, and facilitating the use, installation and maintenance of the generator.

Abstract: A system for air destratification, circulation, and/or purification including an intake positioned proximate a ceiling of a space formed by a floor, a plurality of walls and the ceiling; an exhaust, positioned proximate the ceiling and separate from the intake; a fan structure comprising a motor mechanically coupled with fan blades; a first duct for coupling the intake to the fan structure; a second duct for coupling the exhaust to the fan structure; and at least one attachment for supporting the fan structure such that no additional stress is applied to the ceiling from the fan structure; wherein the fan structure moves air from the intake to the exhaust via the first and second ducts. The system may be capable of fitting within a single ceiling tile of a T-bar ceiling.

Abstract: A heat dissipation apparatus includes an expansion base, a fan, an air duct, and a portable device. A number of air inlet slots and an inserting slot are defined in the expansion base. The air duct and the portable device are inserted in the inserting slot. A first air inlet opening and a first air outlet opening are defined in the air duct. An airflow passage is defined between the air inlet slot, the fan, the first air inlet opening, the air duct, the first air outlet opening, and the portable device. The fan is adapted to generate airflow through the portable device in such a manner that airflow flows from the expansion base outside is sucked into and blown out of the portable device via the airflow passage.

Abstract: A vending machine with selectable internal heating and internal cooling functions includes a cabinet and a heat transmitting system. The cabinet includes a heat source and a goods storage space. The heat transmitting system includes a first air inlet tube, a second air inlet tube, an air outlet tube, and a gas valve. The first air inlet tube connects the heat source to the gas valve. The second air inlet tube connects the goods storage space to the gas valve. The air outlet tube connects the gas valve to the outside of the vending machine. The gas valve can connect the first gas inlet tube to the second gas inlet tube to heat the goods storage space using heat generated by the heat source, or can connect the first gas inlet tube to the gas outlet tube to dissipate heat generated by the heat source.

Abstract: A vent fan for use with the dishwasher and providing a vent door covering the opening associated with a motorized fan employs a mechanical coupling between the fan motor and vent door to eliminate the need for a separate vent door actuator by using energy of the fan motor to accomplish the actuation.

Abstract: A vapor mitigation system includes at least one vacuum pipe configured to collect vapors beneath a floor of a building, and a blower coupled to the at least one vacuum pipe. The blower is configured to create a vacuum under the floor of the building. The vapor mitigation system includes a controller configured to control a speed of the blower. The controller adjusts the speed of the blower in response to a level of vacuum created under the floor of the building.

Abstract: A ventilation structure includes a duct unit between a heat generating structure and a heat insulating structure. The ventilation structure includes a heat generating structure side flow channel formed on the heat generating structure side in the duct unit to take in and let fresh air flow along a long side of the duct unit and a heat insulating structure side flow channel formed on the heat insulating structure side in the duct unit to exhaust air outputted from an exhaust system provided in the heat generating structure by letting the air flow and evacuate along the short side of the duct unit.

Abstract: The length of a cross flow fan in the rotational axis direction is longer than the length of an air outlet in the longitudinal direction, and the cross flow fan has a fan extension positioned beyond each end of the air outlet in the rotational axis direction. Deflectors are provided in the air-conditioning apparatus main body. An outlet airflow blown from each fan extension of the cross flow fan impinges upon a corresponding one of the deflector. Furthermore, the shape of blade portions of the fan extensions of the cross flow fan and the shape of blade portions opposing the air outlet are different from each other. The wind speed of the outlet airflow blown from the blade portion is lower than the wind speed of an outlet airflow blown from the blade portion.

Abstract: The present invention relates to a ventilation unit formed by a body-unit provided with an air inlet opening at one end and with an air outlet opening at the other end, an air driving propeller being located therein, there being included between the air driving propeller and the air inlet opening, which is shifted outwards, a tubular silencer, which establishes an air passage conduit having a smaller diameter than the air inlet opening.

Abstract: An air-cooling apparatus which cools an imaging unit with a plurality of LCD panels and a polarizer assembly includes a cooling fan, and a cooling duct which directs air expelled from the cooling fan onto the plurality of LCD panels and the polarizer assembly, and the cooling duct includes a plurality of channels corresponding to the plurality of LCD panels, and at least two channels from among the plurality of channels are bent in a vertical direction.

Abstract: A fluid conditioning assembly includes a fluid conditioning device defining a passage and having a first end and a second end. A control element is supported within the passage. At least the first end includes an integral radially outwardly directed flange. The integral radially outwardly directed flange is configured to be operatively and releasably coupled to a first radially outwardly directed flange of a first duct section. A technician may release the fluid conditioning device from the first duct section to remove the fluid conditioning device from the ventilation duct system for accessing the control element of the fluid conditioning device.

Abstract: An indoor unit of an air conditioner having an air filter provided on a suction side of an indoor fan has a construction in which dust removed from the air filter by a dust removing part can be recovered easily and reliably. The construction includes a dust removing part (51) for removing dust captured by an air filter (30) provided on the suction side of an indoor fan (21), storage containers (60), (81) having the dust removing part (51) stored therein, a nozzle insertion part (110) into which a nozzle (150) of a cleaner can be inserted, and a suction passage (95) for making the storage containers (60), (81) to communicate with the nozzle insertion part (110).

Abstract: A temperature controlled table has a hollow support base with a hollow table top portion. A series of air intake openings in the support base allow air to be drawn in from the outside and circulated through the table. A series of controllable vents arraigned on the outside edge of the table top allow users to control and direct the airflow. In one embodiment, a heating element is provided within the support base to heat air as it circulates. An ice tray is provided to cool air flowing through. In this way, the user can control the temperature in close proximity to the table to enhance their comfort.

Abstract: A ventilation system for ventilating of an attic is provided. The ventilation system includes an intake vent, a first member and a ventilation fan. The ventilation fan is configured to draw a flow of air from areas external to the building, through the intake vent and through the first member. A manifold adapter is connected to the ventilation fan and configured to receive a flow of air from the ventilation fan. A plurality of manifolds is connected to the manifold adapter. Each manifold has a plurality of apertures and is configured to receive flows of air from the manifold adapter and channel the flows of air through the apertures. A plurality of exhaust vents is in fluid communication with the flows of air from the apertures. The ventilation system is configured to allow flows of air exiting the apertures to circulate within the attic and exit through the exhaust vents.

Abstract: An energy recovery ventilator unit. The unit comprises a sensor mounting panel removably coupled to an outer surface of a cabinet, wherein the sensor mounting panel is configured to hold a plurality of sensors configured to measure the atmospheric environment inside of one or more of an intake zone, a supply zone, or a return zone housed inside of the cabinet.

Abstract: A device comprising a casing and a motorized air-mover. The casing encloses an air-inlet duct, air-outlet duct and a cavity located between the air-inlet duct and the air-outlet duct and in air-flow communication with the air-inlet duct and the air-outlet duct. The motorized air-mover is located in the cavity, the motorized air-mover configured to move air from the air-inlet duct to the air-outlet duct, wherein there is a gap between an outer-surface of the motorized air-mover and an interior wall of casing defining the cavity.

Abstract: A ventilation gas management system and process for an enclosure adapted to contain fluid supply vessel(s) and through which ventilation gas is flowed to provide safe operation in the event of leakage of fluid from a vessel. Ventilation gas flow is modulated to accommodate various hazard levels associated with the deployment and operation of such enclosure containing fluid supply vessel(s), e.g., a gas box or gas cabinet in a semiconductor manufacturing facility, thereby achieving reduction in ventilation gas requirements otherwise required for such deployment and operation.

Abstract: An air handling unit has a blower assembly, a first interior zone, and a second interior zone and the blower assembly physically separates the first interior zone from the second interior zone. A method includes providing a cabinet configured to receive a blower assembly, inserting a blower assembly into the air duct, and closing a cabinet door of the cabinet, wherein upon closing the cabinet door, the primary air flow path from a location within the cabinet downstream of the blower assembly to a location within the cabinet upstream of the blower assembly is through a blower housing of the blower assembly. A blower assembly has a blower housing comprising at least one air inlet and at least one air outlet and a blower deck extending from the outlet, wherein the blower deck comprises at least one substantially flat component having a substantially orthogonal wall extending from the flat component.

Abstract: A system and method for energy recovery and humidity control comprises an enclosure (12) with a plurality of ports (86,90,92,94,86) connected to a plurality of ducts (14,16,18,20,22) The system has an enthalpy exchange core (136) exchanging heat and humidity between first air stream (35) and a second air stream (37), and a heat exchange sub-core (134) exchanging heat between the first air stream (35) and a third air stream (39), and fans (34,38,36) for circulating the first air stream (35), the second air stream (37) and the third air stream (39) respectively, and a controller (40) for controlling the fans (34,36,38) and regulating the flows of the first air stream (35), the second air stream (37) and the third air stream (39).

Abstract: An exemplary fan apparatus includes a cooling fan and a fan gate attached to the cooling fan. The cooling fan defines an air inlet and an air outlet at two opposite sides thereof. The fan gate includes a mounting frame fixed on the cooling fan and surrounding the air outlet, and an airflow valve extending from the mounting frame. The airflow valve is bendable relative to the mounting frame. When the cooling fan works, an airflow produced by the cooling fan flows to the fan gate and pushes the airflow valve to bend with respect to the cooling fan to cause the air outlet to be exposed. When the cooling fan does not work, the airflow valve covers the air outlet.

Abstract: In an air conditioner, an air flow guide panel (20) and a speaker (21) are provided in a vicinity of an outlet (5). The air flow guide panel (20) is operable to form a duct-like outlet passage (10) in the vicinity of the outlet (5), and, in the duct-like outlet passage (10), a speaker (21) radiates a sound wave for canceling out operation noise including blower sound of a fan (7).

Abstract: A ventilation device is provided for use in conjunction with systems and methods provided for cooling data centers. A Make-Up Air Dehumidification/Humidification Unit for the introduction of ventilation air and control of humidity within the enclosed space is provided to support other system components. An objective of the systems and methods according to this disclosure is to provide the necessary rejection of heat while providing a capability to limitedly add ventilation air and control of the absolute moisture content of the air within a data center.

Abstract: A manifold within an explosion-proof enclosure is described herein. The manifold can include an inlet duct coupled to an air moving device, where the inlet duct can receive exhaust air from the air moving device. The manifold can further include an outlet duct that includes a perimeter and at least one channel, where the outlet duct can send the exhaust air outside the explosion-proof enclosure, where the perimeter of the outlet duct is coupled to a first portion of an inner surface of an outer wall of the explosion-proof enclosure, and where the first portion of the inner surface includes at least one aperture that traverses the outer wall. The manifold can also include a body that includes a cavity, where the body couples the inlet duct to the at least one channel, and where the exhaust air flows from the inlet duct through the cavity to the outlet duct.