Abstract: A method for manufacturing an air curtain device includes steps of: a) providing a frame that includes two side wall bodies and two end wall bodies cooperatively defining an inner space thereamong, and an upper opening and a lower opening through which the inner space communicates with the external environment; b) covering an upper surface and a lateral outer surface of the frame with a first covering layer; c) closing the lower opening by placing an air-permeable plate; d) sealing a gap between the air-permeable plate and the frame by a first adhesive; e) removing a portion of the first covering layer that covers the upper surface of the frame; and f) closing the upper opening by a cover that is sealingly connected to the frame.

Abstract: A data center rack assembly includes a rack, an electronic device, and an adjustable air duct. The rack includes a frame defining opposite first and second rack sides spaced apart in a longitudinal direction. The electronic device presents an intake side configured to receive air therethrough for passage into the electronic device. The electronic device is mounted to the frame such that the intake side is disposed intermediately between the rack sides and is spaced from the first rack side to define a longitudinal dimension therebetween. The duct includes relatively shiftable first and second duct sections that extend in the longitudinal direction to cooperatively present an adjustable longitudinal duct length, and a drive mechanism operably coupled to the first and second sections to control relative shifting of the sections in the longitudinal direction to thereby adjust the longitudinal duct length to correspond with the longitudinal dimension.

Abstract: A shooting stall includes a first wall, a second wall, and an air permeable barrier. The first wall includes an upstream end, a downstream end, and a side surface that extends between the upstream end and the downstream end. The second wall is disposed substantially parallel to the first wall, and the second wall includes an upstream end, a downstream end, and a side surface facing the first wall that extends between the upstream end and the downstream end. The air permeable member is disposed between the first wall and the second wall.

Abstract: A device includes an air curtain generator including air curtain diffusor able to diffuse at least one air curtain along a plane, in at least first and second different diffusion directions. The air curtain generating device includes a control unit able to control the diffusion of the at least one air curtain in one and/or the other of the first and second diffusion directions.

Abstract: A shutter assembly includes a shutter frame and at least one louver moveably mounted to the shutter frame. The shutter assembly also includes a mechanism configured to shift the at least one louver relative to the shutter frame to select a position for the shutter assembly between and inclusive of fully-opened and fully-closed. The shutter assembly additionally includes a heating element configured to generate thermal energy sufficient to melt ice formation on the shutter assembly and facilitate shifting of the at least one louver relative to the shutter frame. Furthermore, the shutter assembly includes a controller configured to regulate the mechanism and activate the heating element. A method of controlling operation of a shutter assembly and a vehicle having such a shutter assembly are also disclosed.

Abstract: A device that augments the capture and containment of an exhaust hood using jets is retrofitable to existing exhaust hoods. The device, in embodiments, forms a self-contained system that is separate from the hood and can be installed in existing hoods providing them with increased performance. Various embodiments are shown which are suitable for canopy and backshelf hood designs.

Abstract: Cooling systems employing adjacent fan cages having cage walls with interflow passages are disclosed. A cooling system includes cooling fans disposed in adjacent fan cages. Cage walls of the fan cages direct flows from the fans to the outlet ports of the fan cages which are in fluid communication with electrical components within an electronics-containing enclosure. By forming an interflow passage between the adjacent fan cages, upon occurrence of an inoperable fan, a portion of the flow from an adjacent operable fan can pass to the outlet port of the fan cage of the inoperable fan via the passage and provide better cooling of the components impacted by the inoperable fan. In this manner, thermal damage is avoided while minimizing fan noise associated with higher fan speeds.

Abstract: A filter unit which has a simple structure and can ensure high-level safety in response to risk during operation of an apparatus such as an isolator device is provided. One type of filter unit includes a rectangular cylindrical body having a first wall portion provided with an air inlet portion and a second wall portion formed so as to cross the first wall portion and provided with an air discharge port portion, a filter member provided in the cylindrical body for filtering introduced air, an annular seal member surrounding an outer periphery portion of the air inlet portion, and a detachable lid body closing the air inlet portion in an airtight manner. The filter unit is connected to a work chamber such that the air inlet portion is attached so as to oppose an air outlet of the work chamber and so that the seal member abuts an outer wall portion of the work chamber in an airtight manner.

Abstract: A moving body, such as a vehicle, having one or more fuel cells mounted thereon. The fuel cells, which power the moving body, generate electricity and release water as a by-product. Accordingly, the moving body includes a water discharge module that releases water produced by the fuel cells to the atmosphere using a water outlet. The water outlet may be located in a front section of the moving body. The moving body may further include a water tank that temporarily stores water before releasing the water to the atmosphere.

Abstract: An improved HVAC system is provided for the delivery of a temperature controlled air supply via one or more air curtains provided at windows, doors and walls. The air curtains create a double layer of insulation over the surface of a window, door or wall. The invention provides for the use of the temperature controlled air flow from the air curtain to directly affect the interior room temperature. The invention provides an improved system for continuous cleaning the recycled air through the use of a wet electrostatic precipitator in the HVAC air flow, as well as providing a higher speed mode for the air curtain to prevent the inflow of particles and contaminants from outside of the building, when windows or doors are open. The invention may be installed on existing construction, or incorporated as part of new construction.

Abstract: A fan assembly for generating an air flow within a room includes an impeller and a motor for driving the impeller to draw an air flow into the fan assembly, and a casing having a continuous interior passage with a tangential air inlet through which the air flow enters the interior passage and at least one air outlet for emitting at least a portion of the air flow. The casing defines a bore about which the interior passage extends and through which air from outside the fan assembly is drawn by the air emitted from said at least one air outlet.

Abstract: In one aspect, a valve assembly adapted to seal an opening in a chamber is disclosed. Valve assembly includes a housing being adapted for coupling to a chamber surface having the opening therein, the housing including a threshold portion positioned adjacent to the chamber opening, the threshold portion having one or more inlets adapted to supply gas to an interior region of the housing adjacent to the chamber opening; and a sealing surface adapted to selectively (1) seal the opening, and (2) retract from the opening so as not to obstruct substrate passage. Numerous other system aspects are provided, as are methods and computer program products in accordance with these and other aspects.

Abstract: Provided is a substrate treating apparatus. The substrate treating apparatus includes an equipment front end module, a loadlock chamber, a transfer chamber, and a plurality of process chambers. The loadlock chamber includes a cooling unit for cooling a substrate treated in the process chambers, and the cooling unit includes a cooling chamber having an inner space, the cooling chamber having a gas inflow hole in one surface thereof, wherein support pins on which the substrate is placed are disposed around a circumference of the gas injection hole, a cooling gas injection part supplying a cooling gas toward the gas inflow hole, and a gas exhaust part exhausting the cooling gas supplied into the cooling chamber and fumes generated from the substrate to the outside of the cooling chamber.

Abstract: The enclosure surrounds the shooter who fires his/her weapon from inside, adjacent the back wall, at a target and/or bullet trap located some distance away from the enclosure. Sole access to the enclosure, and the shooter's station therein, is through the open front end. Air circulation and filtration is supplemented by generating an air curtain across the open front end. Air venting and filtration of inside air is at a rate of 6 times per minute and provides a flow of clean air from back to front of the enclosure through a pressurized plenum in the back wall designed to create a uniform flow through the shooter's station. An auxiliary venting outlet in the top or ceiling of the enclosure provides a negative air pressure inside the enclosure so contaminated air escaping through the open front end is minimized.

Abstract: The present invention provides a kitchen ventilation hood for ventilating the area above a cooking area and for exhausting air containing cooking by-products from a cooking station to an external environment through an exhaust duct while using a reduced airflow. The kitchen ventilation hood of the present invention is designed to minimize the required airflow through the hood in order to thoroughly evacuate the cooking by-products. The kitchen ventilation hood of the current invention has a structure incorporating an arched interior hood surface that directs the air to be ventilated through the air intake gap and the grease filter. The more efficient airflow resulting from the arched interior hood surface allows for removal of cooking by-products with a lower airflow than that required by currently available ventilation hoods. As such, the kitchen ventilation hood of the present invention represents a significant improvement over prior ventilation hoods.

Abstract: A method and apparatus for creating a downwind space in a predetermined location with respect to the direction of the wind, including a step of arranging a generation means, for generating an air curtain, in particular at least two air curtains, a step of detecting the direction of the wind, as well as a step of orienting the air curtain(s) against the wind, according to an emission angle (?) set between 40° and 90°, defined between the direction of the wind and the emission direction of the air curtains.

Abstract: An improved HVAC system is provided for the delivery of a temperature controlled air supply via one or more air curtains provided at windows, doors and walls. The air curtains create a double layer of insulation over the surface of a window, door or wall. The invention provides for the use of the temperature controlled air flow from the air curtain to directly affect the interior room temperature. The invention provides an improved system for continuous cleaning the recycled air through the use of a wet electrostatic precipitator in the HVAC air flow, as well as providing a higher speed mode for the air curtain to prevent the inflow of particles and contaminants from outside of the building, when windows or doors are open. The invention may be installed on existing construction, or incorporated as part of new construction.

Abstract: A ventilator includes a base, a drive device disposed on the base, an impeller coupled to the drive device and driven by the drive device, and a cover assembled with the base to define a closed area between the cover and the base for receiving a first circuit board therein, wherein when an AC power source is input to the first circuit board to be converted, a DC power source is output to drive the drive device.

Abstract: An air curtain resistant heating system including multiple heating coils integrated within blower fan cages. The multiple heating coils defining an inflow venture air pattern for increased heat transfer and fan cage internal flow vortex dependent on coil flow conveyance. Coil orientation placement assures limited impact to effect blower pressure and therefore minimizes loss of air performance parameters. Multiple phase electrical supply for multiple paired heating coils positioned in corresponding multiple blower fan units in an air curtain assembly.

Abstract: A process chamber (5) has an interior space (39). In the interior space (39), there is a receiving region (15) for workplaces (3). The process chamber (5) has an opening (12, 14) for the entry and exit of workplaces (3). The process chamber includes an arrangement (17, 19, 25, 29, 33, 37, 35) for injecting gaseous fluid into the interior space (39), The arrangement for injecting gaseous fluid has at least one nozzle (17, 19) for producing a fluid flow curtain (21, 23) between the opening (12, 14) and the receiving region (15) for workplaces (3).

Abstract: A refrigerated air curtain redirection unit can be retro fitted to the front base of a an existing reach-in commercial open-display refrigerated cabinet, or provided as original built-in equipment for a newly manufactured cabinet to reduce refrigerated air spillage. The unit has a body part that protrudes outwardly of the open frontage of the cabinet at an upward angle and there is an inwardly curved part at its top region whereby an air vortex is formed that acts to draw air from the curtain at its base into an air duct of the cabinet.

Abstract: An air curtain arrangement and method of operating the arrangement are provided. The arrangement includes at least one air curtain unit having a supply plenum, a return air duct, and an intermediate air duct therebetween and separates relatively warm and cold areas. The air curtain discharges an air stream across a doorway from an outlet aperture of a discharge plenum toward an air return duct, at a discharge angle. A portion of the air stream is received at an inlet aperture of the return air duct. The portion of the air stream that is received at the air return duct is monitored. The discharge angle is adjusted to maximize the portion of the air that is received. One embodiment controls the discharge angle based on the temperature of the received portion of the air stream. Another embodiment senses the force of the air stream received proximate the inlet aperture.

Abstract: A food cooling device includes a cover, an electric motor powering a fan, and an automatic switch. The cover defines air intake openings beneath a motor housing, a bottom orifice, and vents between the air intake openings and the orifice. The bottom opening rests on a table, covering a plate containing hot food. A fan blade directs air toward the food, the air cools the food, and the heated air escapes through the vents. The cooling device is portable, light in weight, and easy to operate, making it suitable for use by small children as well as handicapped persons of all ages.

Abstract: The present invention relates to an air curtain comprising a longitudinally extending frame comprising a longitudinally extending air inlet opening; and a longitudinally extending air outlet. According to the invention there is a row of electrical fans between the longitudinally extending air outlet and the longitudinally extending air inlet opening for introducing air into the air curtain and expelling it through the longitudinally extending, downward facing air outlet for generating an air-curtain. The invention also relates to a vehicle provided with such an air curtain.

Abstract: A conditioned vestibule, control system, and method are disclosed for use with a cold storage doorway that separates warm and cold sides. A heater warms an air stream discharged across the doorway by the vestibule. A control unit operates the heater to maintain an air stream temperature. The control unit continuously monitors the air stream temperature and operates the heater to maintain the air stream temperature in a non-saturated state based on a humidity ratio. One embodiment calculates first and second temperatures based, respectively, warm and cold side tangent lines to a psychrometric saturation curve and based on the humidity ratio. The tangent lines are based on humidity and temperature sensed on the warm and cold sides. The air stream is warmed to at least the greater of the first and second temperatures. One embodiment controls air flow to adjust the humidity ratio to more efficiently operate the vestibule.

Abstract: A process is provided for operating a thermotherapy device with a bed surface (10) and with discharge channels for conditioned air in the longitudinal direction of the bed surface (10) and on the foot side (3) thereof as well as with an exhaust unit (11) above the bed surface (10). The air being discharged from the discharge channels is directed towards the exhaust unit (11) such that the discharge angle ? changes continuously as a function of the distance between the exhaust unit (11) and the site of the discharge flow from the discharge channels, the elevation angle ? changes continuously as a function of the distance between the exhaust unit (11) and the site of the discharge flow from the discharge channels, and the value of the velocity of the discharge flow changes continuously as a function of the site of the discharge flow from the discharge channels.

Abstract: The present invention relates to an extractor hood that comprises an extraction conduit and a delivery conduit, the first one housing an air treatment unit that extracts air through the lower mouth of the same conduit, and the second one housing an air treatment unit that produces a forced air flow with inside-outside direction, which is suitably conveyed by a deflector with downward inclination to generate a pneumatic screen above the cook top that conveys fumes rising from the cook top towards the lower mouth of the extraction conduit.

Abstract: A method of and system for preventing particulate matter, such as debris, precipitation, and condensation from occupying a space or accumulating upon a surface by directly engaging the surface or creating an air-curtain effect adjacent the space utilizing a selectively actuated gaseous flow.

Abstract: This patient isolation module has a transparent cubicle mounted over an hospital bed. This cubicle has a rectangular room-air intake opening at one end thereof, and an air treatment unit mounted outside the other end. The air treatment unit has fan inlet openings communicating inside the cubicle and forming a crown over the head of the bed. The air treatment unit draws air from the cubicle and causes a stream of fast-moving air to move along the cubicle, in a toe-to-head direction relative to a patient laying in the hospital bed. The air stream defines a hood-shaped envelope extending over and along both sides of the bed, to better separate a patient's breathing zone from health-care workers standing near that patient's bed.

Abstract: A self balancing air handling system for conditioning an interior space includes an air handling unit having an outlet for supplying conditioned air to the space, an entrance providing an access from an exterior space to the interior space, an air plenum surrounding said space, and an inlet for returning air from said plenum to said air handling unit wherein said air handling unit supplies said conditioned air under conditions providing a positive pressure differential at said entrance between the interior space and the exterior space thereby limiting infiltration air into the interior space.

Abstract: The invention relates to a blow-out grid, the peripheral form and dimensions of which correspond to an elongate form of a blow-out opening of an air curtain device. This blow-out grid comprises slats which extend in use longitudinally and transversely relative to the lengthwise direction of the blow-out grid and which guide in a desired uniform direction respective transversely and longitudinally diverging components of an airflow passing therethrough. The invention further relates to an air curtain device, comprising: a housing; means generating an airflow in the housing; an elongate blow-out opening with an inner peripheral form; a channel between the means generating an airflow and the blow-out opening; and a blow-out grid arranged in the blow-out opening and having a peripheral form and dimensions corresponding to the elongate form of the blow-out opening, and wherein the blow-out grid is one from the group comprising blow-out grids.

Abstract: Air knives having improved end caps and mounting apparatuses are provided. Disclosed embodiments include a system having an air knife having first and second end caps that include recessed openings. Fasteners may extend through the recessed openings to fasten the first and second end caps to a main body of the air knife. The recessed openings prevent fasteners from protruding beyond the first end cap and the second end cap, thereby allowing for first and second mounting plates to be secured flush against the first and second end caps, respectively. In one embodiment, a mounting system including the first and second mounting plates may provide a first fastener that retains the air knife axially while providing a pivot point for rotational adjustments. A second fastener radially offset from the first fastener is configured to provide for rotational movement of the air knife about the pivot point.

Abstract: In a clean unit which has a dust filter with a blowing power source on the upper surface of a working chamber and which can maintain a clean environment, an external gas flow passage is directly connected or connected through a partition wall, through which dust particles cannot pass but gas molecules can pass, to a feedback gas flow passage for connecting air-tightly a ventilation hole formed in the wall of the working chamber and the inlet of the dust filter to each other. On both sides of the partition wall, the flow velocity vector of a gas flowing in the feedback gas flow passage is made to be equal to the flow velocity vector of the gas flowing in an external gas flow passage.

Abstract: The present invention provides a kitchen ventilation hood for ventilating the area above a cooking area and for exhausting air containing cooking by-products from a cooking station to an external environment through an exhaust duct while using a reduced airflow. The kitchen ventilation hood of the present invention is designed to minimize the required airflow through the hood in order to thoroughly evacuate the cooking by-products. The kitchen ventilation hood of the current invention has a structure incorporating an arched interior hood surface that directs the air to be ventilated through the air intake gap and the grease filter. The more efficient airflow resulting from the arched interior hood surface allows for removal of cooking by-products with a lower airflow than that required by currently available ventilation hoods. As such, the kitchen ventilation hood of the present invention represents a significant improvement over prior ventilation hoods.

Abstract: An air curtain doorway defining an opening between at least two zones, including an air curtain having an air supply duct and an air return duct joined by a connecting duct. A frame having spaced apart jambs connected at the top by a header is configured to fit substantially within the opening of the air curtain. At least two roll-up doors in communication with the frame are configured to selectively insulate the at least first and second zones. A method of controlling a plurality of roll-up doors of an air curtain doorway comprises the steps of monitoring the output of at least a first sensor and a second sensor to sense approach of the doorway, applying logic to the output of the sensors, and controlling at least one of the doors based upon the result of the applied logic. The method can also include closing the roll-up doors while the air curtain is blowing, or turning off the air curtain and closing the roll-up doors.

Abstract: A door structure, said structure for use particularly, although not necessarily exclusively, to selectively close an opening between a first environment which is at a temperature which is lower than the temperature of the environment on the opposing side of the opening. The door is provided with a structure so as to define a cavity therein into which air is caused to flow. The door has formations and a structure so as to encourage uniform air flow through the cavity and hence prevent or minimise the creation of condensation and/or frost on the door structure.

Abstract: An air shutter of low cost, high efficiency, and easy maintainability is provided, which can interrupt efficiently the flowage of air across a doorway when the door is open based on the consideration of the experimental data of the flowage of air across the opening area of the doorway of a cold storage. The air shutter comprises a gatepost 12 and a gatepost 13 installed at both sides of the opening area of a doorway. The gatepost 12 is provided with a lower slit nozzle 12a, a suction opening 12b, and lower fans 12c and a suction duct 12d inside thereof, on the other hand, the gatepost 13 provided with an upper slit nozzle 13a, a suction opening 13b, and lower fans 13c and a suction duct 13d inside thereof.

Abstract: An air curtain-assisted exhaust method and a device thereof are provided. Air curtain generators are disposed on a worktable to enclose an encircled area in the worktable. A receiving hood is disposed above the worktable, wherein the vertical lower part of the outer edge of the receiving hood completely covers the encircled area. Then, the air curtain generators are started to blow out air curtains toward an opening of the receiving hood, and the receiving hood is started to suck an air flow. A shielding space is defined by the air flow sucked by the receiving hood and the air curtains, so that the air curtains may guide a smoke generated inside the shielding space to the receiving hood to be exhausted, thereby achieving the effect of auxiliary exhaust, and may restrict the smoke in the shielding space to prevent the smoke from diffusing laterally.

Abstract: A louver for directing airflow in a refrigerated display case, and a refrigerated display case employing a louver. In some embodiments, the louver includes a plurality of fins positioned to define a plurality of channels therebetween through which airflow can be directed substantially in a first direction. Each fin can be elongated in a second direction substantially orthogonal to the first direction to define a length. Each fin can include an inlet end and an outlet end in a cross-section taken along the length. The louver can further include a curved inlet profile defined by the inlet ends of the plurality of fins.

Abstract: A thermotherapy device is operated as an incubator or as an open care unit. The care unit has a bed for receiving newborns, which can be closed with a hood (3). At least one heat radiation source (4) is provided. The hood (3) is located between the bed and the heat radiation source (4) when the thermotherapy device is closed and the hood is at least partially transparent to the radiation originating from the heat radiation source (4). The device allows only a small temperature drop during the transfer from the open mode of operation into the closed mode of operation and vice versa.

Abstract: The present invention generally relates to an apparatus for preventing the accumulation of snow, ice, frost, hail or the like from obstructing the flow of primary air, air or the exhaust of sewer gas into or out of a building. The apparatus is also suitable to prevent leaves, animals or other debris from becoming trapped within the air flow pipes of the building. The apparatus has a screen which may be electrically connected to a heating device. The apparatus may further be attached to a thermostat to automatically turn the heating device on or off at preset temperatures. The apparatus may be incorporated into new pipes or may be attached onto existing pipes.

Abstract: An apparatus for sterile filling of beverage containers has a first module and a second module. The first module rinses and sterilizes empty containers and delivers the sterilized containers to the second module. The second module fills and caps the containers with beverage product at ambient temperature in an active sterilization zone utilizing an e-beam sterilization unit.

Abstract: A conditioned vestibule, control system, and method are disclosed for use with a cold storage doorway that separates warm and cold sides. A heater warms an air stream discharged across the doorway by the vestibule. A control unit operates the heater to maintain an air stream temperature. The control unit continuously monitors the air stream temperature and operates the heater to maintain the air stream temperature in a non-saturated state based on a humidity ratio. One embodiment calculates first and second temperatures based, respectively, warm and cold side tangent lines to a psychrometric saturation curve and based on the humidity ratio. The tangent lines are based on humidity and temperature sensed on the warm and cold sides. The air stream is warmed to at least the greater of the first and second temperatures. One embodiment controls air flow to adjust the humidity ratio to more efficiently operate the vestibule.

Abstract: An air curtain door system for inhibiting heat and exhaust exiting from an access opening of an oven includes a door panel which has an access opening and a mantle attached to a bottom end of the access opening, the mantle having an air outlet slot extending horizontally along the access opening; an air inlet opening near a lower end of the door panel; a hollow chamber within the door panel disposed from the mantle to near the lower end of the door panel; an air supply means for providing air supply to the hollow chamber through the air inlet opening; and an exhaust venting assembly adjacent to an upper end of the door panel, for pulling air exiting from the air outlet slot into the exhaust venting assembly, thereby forming an air curtain covering the access opening at the interior side of the door panel.

Abstract: An air exchange control apparatus to help prevent air exchange through a window in a cantilevered building alcove, comprising: forced air generation means adjacent but outside the cantilevered area; and air passage means connected at a first open end to the forced air generation means for receiving forced air, and having a second open end disposed within the cantilevered area adjacent the window, such that the forced air is directed into and across the cantilevered area in a plane generally parallel to the window.

Abstract: An open patient care unit with a bed (1), with inner and outer air discharge channels (20, 30) extending around the bed (1) at least over some sections, and with at least one air exhaust or a purgative suction unit (4) arranged above the bed (1), wherein the air discharge channels (20, 30) are directed such that they converge toward the air exhaust or purgative suction unit (4), and wherein ambient air delivered via a first fan (6) is discharged from the outer air discharge channels (30), and air, which is conditioned in terms of humidity and/or temperature and is delivered via a second fan (8) from the air exhaust or purgative suction unit (4), is discharged from the inner air discharge channels (20), has the essential advantage that a hood, which is used in incubators, is not used at all, so that switching over between different operating states is not necessary, and cooling down of the patient is thus avoided, but good access is at the same time ensured for the care providers.

Abstract: The invention concerns a sliding door device (10) comprising at least a mobile sliding door (11) and separating elements (12) for maintaining and guiding the mobile and removable sliding door (11). The latter enables automatic opening and closure of an opening (20) based on a command. Therefor, the edges of the sliding door are at least partly enclosed with a frame part (14), an air curtain (24) being produced in front of the passageway (20) by means of a fan (16). The invention is characterized in that the sliding door comprises on its free vertical sides a frame part (14) provided with a housing wherein is arranged a fan (16). The outlet (17) of said fan leads to a longitudinal opening in the form of a nozzle producing the air curtain (24) and extending over practically the entire length of the vertical side (13) of the door. Additionally an inlet (18) of the fan (16) is provided in the frame part (14).

Abstract: According to the present invention, in a carrying system comprising a carrying vehicle and a manufacturing apparatus the interior of which is kept cleaner than a surrounding environment, manufactured articles to be transferred are prevented from being contaminated by foreign matter or the like attached to transfer ports. A carrying vehicle includes a running unit 14 that runs along a predetermined carrying path, a cleaning unit 12 that supplies cleaned air, a housing section 13 to which the cleaned air is supplied and in which manufactured articles are housed, a transfer port 11 which is formed in a side of a housing and through which a manufactured article is loaded into or unloaded from the housing section 13, and an air injecting section 19A that blows out air toward the transfer port 11.

Abstract: A conditioned vestibule for a cold storage doorway is disclosed. The vestibule includes a frame that supports inner and outer moveable door-forming members. The vestibule also includes a heater that circulates air between the inner and outer door-forming members and a variable-speed fan that varies flow of the air between the inner and outer door-forming members. In one embodiment, the airflow from the fan increases upon the opening of the door-forming members and decreases upon the closing of the door-forming members.

Abstract: With reference to FIG. (2), a helmet (2) for an aircraft crew member (1) is provided with a device (10) for forming an eye-shielding curtain (11) of air in front of the crew members eyes. The air exhausts to the ambient atmosphere (9) by way of an escape path (12) beneath the lower edge of the visor (4), as indicated by arrow (13).