Abstract: A heating system includes a refrigerant boiler including a heat source for heating a refrigerant from a liquid state to a vapor state, a boiler outlet and a boiler inlet; a heat exchanger in fluid communication with the refrigerant boiler, the heat exchanger including a upper manifold having a heat exchanger inlet coupled to the boiler outlet, a lower manifold having a heat exchanger outlet coupled to the boiler inlet and a plurality of tubes connecting the upper manifold and the lower manifold, wherein refrigerant passes from the upper manifold to the lower manifold via gravity; and a fan moving air over the heat exchanger to define supply air for a space to be heated.

Abstract: Dual operation centrifugal fan apparatus and methods of operating same that may be used, for example, to cool the internal heat-generating components of an information handling system or other device. The dual operation centrifugal fan apparatus may be implemented in one embodiment as a self-cleaning blower apparatus that is operated in a first normal cooling direction to dissipate heat from internal components of an information handling system, and operated in second cleaning direction to reverse airflow and expel accumulated dust from the interior of the information handling system.

Abstract: In a vehicle, a first gas sensor detects a hydrogen gas concentration of a vehicle interior front zone. Air-conditioning corresponding to an operation of a suction air switching button or the like is performed until the hydrogen gas concentration of the vehicle interior front zone reaches a predetermined second reference concentration, and any one of interior air mode switching control of an interior/exterior air switching mechanism and stop control of a blower is performed regardless of the operation of the suction air switching button or the like when the hydrogen gas concentration reaches the second predetermined reference concentration.

Abstract: A cab of an agricultural vehicle has having a seat for an operator and a console unit arranged forward of the seat for housing an instrument display. The cab is fitted with an HVAC system comprising a heat exchanger unit located within the console unit and a blower located on the floor of the cab beneath or adjacent the seat and serving to blow air by way of a floor-level duct to the heat exchanger unit.

Abstract: A vent apparatus that prevents the ingress of flames, superheated air, and/or flaming materials (e.g., embers) from an external fire to a building or structure is disclosed. The vent apparatus comprises a frame that defines an inlet, and outlet, and an internal passage. A guiding member is disposed within the internal passage to thereby deflect or direct a portion of a flow of material between the inlet and outlet. A blocking element is disposed on the guiding member that is configured to expand to at least partially block the flow of material between the inlet and outlet.

Abstract: A vehicle air-conditioning system and a method for operating that vehicle air-conditioning system in dependence on the difference between the temperature of the engine coolant at the inlet into the heating heat exchanger and the temperature of the air at the outlet out of the heating heat exchanger are provided. The measured or estimated temperatures of the coolant at the inlet into the heating heat exchanger and of the air at the outlet out of the heating heat exchanger are checked to determine whether their values indicate fault states of components of the air-conditioning system.

Abstract: An air vent has at least one first control lamella that is pivotably mounted in a housing, and a second lamellae extending orthogonally to the first control lamella. For controlling the amount and direction of outflowing air, an operating element is pivotable mounted about an axis that extends parallel to the pivot axis of the second lamellae, and which is coupled to a first adjustment element and to the first control lamella. The first adjustment element has a toothed segment, which is in engagement with a first gearwheel that is rotatably mounted on the housing. The first gearwheel is in engagement with a second adjustment element that is arranged on a second control lamella of the second lamellae, wherein the second control lamella is coupled with the other second lamellae by way of at least one connection rod, and the second gearwheel is of spring-mounted design.

Abstract: Various embodiments of the present disclosure disclose a storage system. The storage system comprises: at least one storage device array enclosure, each of the storage device array enclosure accommodating storage devices, which are arranged in columns and have gaps existing between adjacent storage devices; each storage device array enclosure includes a cap for covering accommodated storage devices; the cap includes vents and windshield bars, such that when the cap is in a closed state, the vents abut against an upper surface of the corresponding storage devices and the windshield bars cover the gaps between adjacent storage devices.

Abstract: There is disclosed a dormer vent covering device including a dormer vent cover and an attachment device. The dormer vent cover includes a face, wherein the face is sized to cover a portion of an opening of a dormer vent, and a lip extending substantially perpendicularly from a portion of an outer edge of the face, wherein the lip is shaped to correspond to an outer shape of the dormer vent. The attachment device is detachably attachable to both the dormer vent and the dormer vent cover to attach the dormer vent cover to the dormer vent.

Abstract: A clean air apparatus includes a fan and a filter for producing a flow of clean air and for discharging the clean air from an outlet and towards a target clean area. The apparatus includes a Coanda effect device disposed at least adjacent the clean air means, which is arranged, in use, to induce a Coanda effect upon the flow of clean air. The apparatus includes guide means for guiding the clean air towards a target clean area in the form of an air curtain. A method for discharging clean air towards a target clean area in the form of an air curtain includes inducing a Coanda effect upon the flow of clean air using the Coanda effect device; and guiding the discharged clean air, downstream of the Coanda effect device, towards a target clean area in the form of an air curtain.

Abstract: An air guiding device is provided for regulating air flow through at least one air inlet opening in a front cowling of a vehicle. The at least one air inlet opening is arranged laterally in the front cowling and, in a closed state, is covered completely to the outside by the air guiding device. The air guiding device has a retaining frame and slats arranged movably in the retaining frame. The slats are mounted movably in the retaining frame and the angle of incidence of the slats can be changed by a servo motor that is connected to an adjusting mechanism, in such a manner that an air flow approaching the at least one air inlet opening is at least partially guided around the vehicle. A method also is provided for regulating an air flow in proximity to the front cowling of a vehicle.

Abstract: An orthosis is fitted to a body joint, in a preferred embodiment the equine fetlock, by locating the center of rotation (COR) of the joint; measuring the bones comprising the joint at points located with respect to the COR; selecting the appropriate orthosis from a selection of models thereof; and custom-fitting the orthosis to the individual by heating it to soften a layer of thermoformable foam on the interior of the orthosis, and clamping the orthosis in place over the body joint. A kit of tools for performing the measurements is disclosed, as are a method for location of the COR of the body joint by palpation and a preferred heater.

Abstract: A housing for a laboratory appliance with a floor, ceiling, rear wall, side walls and front wall, which together enclose a work space. The front wall is movable between closed position and open positions. A work area in which liquids can be handled is provided in the work space. A filter device for ambient air is connected to the work space via at least one air outlet. At least one air inlet is connected to the environment, and a fan and an air filter are located downstream from the air inlet and upstream from the air outlet. An outflow opening is also located on the housing. The at least one air outlet and the at least one outflow opening are arranged on the housing such that, during operation of the filter device, the filter air stream flows substantially parallel to and along the work area.

Abstract: Some embodiments of an apparatus and system are described for a crossflow blower. An apparatus may comprise an enclosure having a first side and a second side where a portion of the first side is recessed in a direction of the second side. The enclosure may also comprise a first internal height between the first side and the second side and a second internal height between the recessed portion of the first side and the second side. The enclosure may also comprise a motor and a crossflow blower arranged to generate a flow of air between the first side and the second side in a direction substantially perpendicular to an axis of rotation of the crossflow blower. Other embodiments are described.

Abstract: In a method for the ventilation of an aircraft area, air conveyed from an aircraft environment by a conveying device into an interior space of the aircraft is supplied during ground operation of the aircraft to the aircraft area to be ventilated. During flight mode of the aircraft, air flowing from the aircraft environment via a ram air duct into the interior space of the aircraft is supplied to the aircraft area to be ventilated. During flight mode of the aircraft, in addition to the air flowing from the aircraft environment via the ram air duct into the interior space of the aircraft, air conveyed from the aircraft environment by the conveying device into the interior space of the aircraft is supplied to the aircraft area to be ventilated when a flight velocity of the aircraft falls below a flight velocity threshold value.

Abstract: A dry wall extrusion grille comprising a frame, a linear bar grille, indented slots, and a flexible mounting flange.

Abstract: An air conditioner and a control method thereof perform cooling through an outlet if room temperature or room humidity is high to reduce the room temperature or the room humidity, and closing the outlet to perform cooling at low velocity through an outlet hole if room temperature or room humidity reaches a predetermined value so that a user can little feel the wind velocity of cooling of the air conditioner, while maintaining indoor space at pleasant temperature or humidity. By performing cooling at low velocity through the outlet hole formed in the lower portion of the air conditioner, it is possible to cool the lower area of indoor space at pleasant temperature when a user is asleep.

Abstract: A controlled dilution fluid flow pattern is described. In an embodiment, a fluid supply device is configured for controlling a pattern of a flow of a fluid within a critical room. The critical room comprises a critical area subject to contamination. A first fluid supply nozzle is configured to provide a first fluid supply jet to provide a first flow of the fluid towards a substantial center of the critical area. A second fluid nozzle is configured to provide a second fluid supply jet to provide a second flow of the fluid towards a perimeter of the room. A momentum of the first fluid supply jet and a momentum of the second fluid supply jet are adjusted so that the substantial center of the critical area is flushed by the first flow and penetration of the second flow into the substantial center of the critical area is generally prevented. In other embodiments, a HVAC system and method are discussed along with the features of the device.

Abstract: A system for conveying air from one location to another includes a soft duct having a passage and an air flow control device. The air flow control device can be operated to vary a cross sectional area of a portion of the passage of the soft duct.

Abstract: An energy recovery ventilator includes first and second blowers, a pressure transducer and a controller. The first blower is configured to direct a first air stream into a first zone of an enclosure. A second blower configured to direct a second air stream into a second zone of the enclosure. A pressure transducer is configured to determine internal air pressure within the enclosure. A controller is configured to control the first blower and/or the second blower in response to the internal air pressure. A method includes fabricating a rooftop unit and an ERV housing, the rooftop unit comprising an economizer, the ERV housing comprising first and second blowers and a pressure transducer. The method further includes coupling the ERV housing to the economizer and coupling a controller to the pressure transducer, the controller configured to control the first and/or second blowers in response to the internal air pressure.