Abstract: According to some embodiments, an aerosol reduction system is disclosed. The aerosol reduction system comprises an electric air cleaner that includes a fan. The system further comprises a plurality of disposable curtains circumscribing the electric air cleaner that create an airtight seal with the air cleaner. Each of the plurality of disposable curtains defines a window opening. The system further comprises a window disposed on a window mount and the window create an airtight seal with the window opening.

Abstract: A vacuum pumping system comprises a plurality of vacuum pumping arrangements for evacuating an enclosure and an auxiliary vacuum chamber for evacuation by at least one first vacuum pumping arrangement. The vacuum pumping system has a first state for evacuating the enclosure and a second state for conserving power consumed by the system. In a first stage of the second state the first vacuum pumping arrangement is arranged to evacuate an exhaust of at least one second vacuum pumping arrangement and in a second stage the exhaust of the first pumping arrangement is arranged to be evacuated by the auxiliary vacuum chamber.

Abstract: The invention relates to a supply air device (200) comprising an outflow structure that increases air circulating efficiency of the supply air device (200). The outflow structure comprises an outflow channel structure and a nozzle structure. The outflow channel (210, 211) is arranged to be fixed in a distance from the nozzle and on a side of the supply air device (200).

Abstract: Disclosed herein is an air conditioner. The air conditioner includes a housing having an inlet and an outlet, and having a first guide surface forming the outlet and a second guide surface facing the first guide surface provided therein, a heat exchanger configured to heat-exchange air suctioned through the inlet, a blower fan configured to suction air from the inlet, heat-exchange the air by passing air through the heat exchanger, and discharge air toward the outlet, and an airflow control unit provided to be movable between a first position adjacent to one end portion of the outlet from which air is discharged and a second position spaced apart from the end portion of the outlet from which air is discharged, and protruding from the first guide surface or the second guide surface when the airflow control unit placed at the first position.

Abstract: A system for use with a manhole vault having an internal atmosphere, and, optionally, with a ventilation stack connecting the vault to an external atmosphere. The system includes a manhole cover, a ventilation pipe, and an air moving assembly. The cover has one or more through-holes extending between top and bottom surfaces. Each of the through-hole(s) is in fluid communication with the external atmosphere at the top surface. The pipe has a through-channel that extends between first and second openings. The first opening is positioned proximal to either an opening into the ventilation stack or at least one of the through-hole(s) at the bottom surface of the cover. The second opening is positioned in the interior of the vault. The device is configured to cause a portion of one of the interior and external atmospheres to flow through the through-channel toward a different one of the interior and external atmospheres.

Abstract: A switchgear enclosure includes an exterior housing. A plurality of compartments within the exterior housing includes at least a first switching device compartment, a bus compartment, and a first cable compartment. A plurality of interior partitions arranged to subdivide the exterior housing into the plurality of compartments includes at least a first partition between the first switching device compartment and the first cable compartment, and a second partition between the bus compartment and the first cable compartment. An exhaust system includes a vent path structure arranged within the exterior housing to at least partially surround the bus compartment and the first cable compartment, a channel formed between the vent path structure and the exterior housing, and a first vent device in the first partition. The first vent device is configured to fluidically connect the first switching device compartment to the channel via the vent path structure.

Abstract: A system for circulating air inside a manhole vault. The system includes an air-moving device in fluid communication with the manhole vault and configured to circulate the air inside the manhole vault to prevent a concentration of combustible gasses or to enhance cooling therein.

Abstract: An adjustable neck for a vent cap includes a housing having a mount and a cylindrical body, where the cylindrical body includes an inner surface. The adjustable neck also includes adjustable straps arranged to form an adjustable inner diametrical surface disposed radially inward from the cylindrical body of the housing, relative to a central axis of the adjustable neck. The adjustable inner diametrical surface is configured to engage an outer pipe surface. The adjustable straps are coupled to the inner surface of the cylindrical body. The adjustable neck also includes legs coupled to the adjustable straps and to the mount, where the cylindrical body is configured to be rotated relative to the mount and the legs to adjust a dimension of the adjustable inner diametrical surface to correspond to the outer pipe surface.

Abstract: A device for controlling the air flow from an air outlet of a heating and/or ventilation and/or air-conditioning system of a motor vehicle. The air outlet has an air discharge opening which is for discharging air into an inner vehicle space and over which there extends at least one elongate slat which can be pivoted about a longitudinal axis in order to influence an air flow flowing through the air discharge opening and whose pivot position can be adjusted by at least one adjustment mechanism which is coupled to the slat. At least one actuation mechanism, which is fitted to a vehicle seat when the vehicle seat is mounted in the inner vehicle space, moves into mechanical operational engagement with the adjustment mechanism and brings about an adjustment of the at least one slat in accordance with a position of the vehicle seat with respect to the inner vehicle space.

Abstract: An absorber system solves problems of known absorber systems for use in solar fields in that the absorber tube is suspended on a rail below an absorber cover. The design also makes it possible to move measuring and cleaning robots and the like along the absorber tube more and allows the absorber tube and the secondary reflector to be jointly suspended, whereby an exact mutual alignment between the two components is enabled.

Abstract: A portable enclosure is configured to mix room air with a controlled amount of exterior air via one or more flexible conduits disposed between the enclosure and an exterior window. At least one flexible conduit is connected to a barrier structure which is designed for sealable placement within the window. One or more mixing dampers are employed to control the amount of exterior air supplied to the enclosure. An air moving device delivers exterior air in controlled amounts to the enclosure which is designed to be movable so that a more desirable (fresher, cooler, and more contaminant free) stream of air is deliverable to the personal space of an occupant to satisfy ventilation and temperature requirements.

Abstract: A conditioning device for a ventilation intake, the conditioning device having a frame with a mounting side, an access side, and a plurality of walls coupled between the mounting side and the access side. The mounting side defines a ventilation intake opening that is configured to receive at least a portion of the ventilation intake. The access side defines an access opening. An access panel has coupling features for removably coupling the access panel to the frame, where the access opening of the frame is accessible when the access panel is removed from the frame. The conditioning device is configured to cover the ventilation intake. At least one inlet is defined within at least one of the frame and the access panel and air enters the conditioning device through the at least one inlet.

Abstract: A device for providing clean air in a beverage filling plant is described. The device includes an inflow channel with at least one filter for pretreating the air sucked in via a supply-air feed. The inflow channel is adjoined by a first outflow channel with at least one filter for treating the air pretreated in the inflow channel for feeding into a filling cleanroom of the beverage filling plant. The inflow channel is adjoined by a second outflow channel for treating the air pretreated in the inflow channel for feeding into a blowing cleanroom for the blow-molding of plastic containers. A dehumidifying device for dehumidifying the pretreated air is arranged in the second outflow channel.

Abstract: An air-conditioning register fin includes an elongated plate-shaped fin main body and an elongated decorative member attached to one of edges of the fin main body in a transverse direction. One of the fin main body and the decorative member includes an engagement projection. The other one of the fin main body and the decorative member includes a recess that accommodates the engagement projection and an engagement hook projecting from an inner surface of the recess. The engagement hook holds and engages the engagement projection.

Abstract: A cabin air control system for an aircraft comprising a plurality of compressed air sources, each operable to provide compressed air, at least one air outlet, a conduit system connected to the air sources and the air outlet and arranged to conduct air from the air sources downstream to the air outlet, and a plurality of particulate matter detectors configured to detect the presence of particulate matter in air from the air sources. Each detector is associated with a different predefined subset of the air sources by being arranged in the conduit system at a location from which it is only possible to reach the associated subset of the air sources when traversing the conduit system from the respective location towards the air sources in an upstream direction. Any two subsets of the different subsets associated with the different particulate matter detectors include different ones of the air sources.

Abstract: A support for mounting an air conditioner for operative disposition in a window, while being free of any supports external to the window and of any metallic contact with the window, includes elongated top and bottom members of lightweight polymeric molded construction, sized and shaped to extend along an interior window sill of the window, with opposite ends thereof extending beyond vertical side jambs of the window. First and second transverse members of polymeric molded construction extend between the top and bottom members to define a receptacle sized and shaped to slidably receive the air conditioner therein and to interferingly engage an elongated flange extending along an upper surface of the air conditioner. The top and bottom members include molded hand-holds and demarcations/score lines to facilitate trimming to desired widths.

Abstract: The present invention relates to a hot water storage boiler having a scale prevention function, the boiler being able to prevent scale without an additive or an ultrasonic device. Low-temperature water is sprayed toward the bottom portion of the combustion chamber using the spray pipe. This consequently lowers the temperature of the bottom portion of the combustion chamber, thereby reducing production of scale.

Abstract: A fan system is disclosed that includes a braking mechanism for physically stopping rotation of a fan rotor. The braking mechanism is activated when the fan system is at least partially removed from a chassis or enclosure or when the chassis or enclosure including the fan system is opened. The fan rotor, of the fan system, may include a rotating blade assembly configured to rotate around an axis. A fan motor, of the fan system, is configured to cause rotation of the rotating blade assembly around the axis. The braking mechanism, of the fan system, is configured to apply friction to at least one component of the fan rotor when the braking mechanism is engaged. Application of friction to the at least one component of the fan rotor may stop rotation of the rotating blade assembly around the axis.

Abstract: A cooling device, particularly a domestic refrigerator, includes a storage space defined by a body and by a door. An air channel is formed within a space that is at least partially filled with insulating or isolation material between an inner wall of the storage space and an outer wall of the cooling device. At least one opening is provided in the inner wall and is open to the air channel. A baffle is positioned completely within the air channel.

Abstract: A vent and a cooker having a vent are provided for which a built-in component accommodated in the cooker is not easily visible from the outside through an exhaust hole provided in the vent, which enables simple manufacturing and assembly, which can smoothly discharge exhaust gas, and has a function as a support structure of the cooker, and a vent structure thereof. The vent may include a main vent configured to be exposed through an upper portion of the cooker and including a main exhaust surface having main exhaust holes and a sub-vent spaced apart from a lower portion of the main vent and aligned in parallel with the main exhaust surface and including a sub-exhaust surface having sub-exhaust holes.