Abstract: An oven rack assembly includes a first arm, a second arm, and a first frame member rotatably coupled with the first arm and the second arm at spaced apart positions along an axis of the first frame member and supported by the first and second arms between a first vertical position and a second vertical position higher than the first vertical position. The first and second arms move the first frame member between the first and second vertical positions with movement of the first frame member in a direction of the axis by rotation of the first and second arms. The assembly further includes a first rack supported on a least a first side thereof by the first frame member and coupled with the first frame member to be slideable with respect thereto along the axis.

Abstract: A fan unit is detachably attached on a side face of a housing, a heating element is housed in the housing, and the fan unit includes a fan configured to be detachably attached to the fan unit. The fan unit is configured to detachably support the fan so that when the fan unit is attached to the housing, directions in which the fan is attached to and detached from the fan unit are made different from directions in which the fan unit is attached to and detached from the housing.

Abstract: A natural ventilator is herein disclosed that is free of moving parts, wind-activated, rain-proof, and free of dust or smog infiltration. It is not only suitable to be a standalone natural ventilator, but is also advantageous to be used as an enhanced exhaust exit in a forced-air ventilation system, for such enclosed spaces or objects as buildings and vehicles needing air relief. The ventilator assembly has rainwater-proof shapes or fixtures that serve to defend the vent system, and the interior space being vented, against rainwater invasion, even if raindrop trajectory becomes highly oblique from vertical as driven by strong winds. It also includes shapes or fixtures to prevent fume condensation from drifting outward and staining the exterior of a building or vehicle, or the like, that is being vented.

Abstract: An air-vent for distributing air in a vehicle interior. The air-vent includes at least a guiding member for guiding air from the air-vent into the vehicle interior. The guiding member is slidably configured over a periphery of the air-vent and moves in and out of a housing of the air-vent.

Abstract: An air diffuser for a heating, ventilation, and/or air conditioning (HVAC) system includes a variable flow adapter including a housing and an actuator configured to transition between actuation states based on an air flow parameter in the housing. The air diffuser includes a first plurality of nozzles disposed in the housing and defining a first set of flow paths from an interior of the housing to an exterior of the housing. Additionally, the air diffuser includes a second plurality of nozzles disposed in the housing and defining a second set of flow paths from the interior of the housing to an exterior of the housing. The air diffuser also includes a valve system configured to be actuated by the actuator to control air flow through the second set of flow paths of the second plurality of nozzles.

Abstract: An air conditioner includes a discharge blade configured to move between a guide position at which a direction of air blown from a blower fan and discharged to an outlet is controlled, and a closing position at which the outlet is closed, wherein the discharge blade includes a plurality of blade holes through which the air is discharged through the discharge blade at the closing position, wherein the discharge blade moves between the guide position and the closing position and controls an air flow from the blower fan to a discharge plate or the outlet. Through this configuration, an air flow discharged to the outside of the housing can be controlled by operation of the discharge blade.

Abstract: An off-ridge roof ventilation device for placing on an opening of a roof deck. The ventilation device comprises an elongated main hood with a curved shape. The right end of the main hood is closed by a right-side panel, and the left end of the main hood is closed by a left-side panel. The main hood comprises a perforated top face and a venting opening on a bottom face. A throat panel is placed on the bottom face of the main hood in a manner to reduce the venting opening. A perforated interior panel is placed between the top face of the main hood and the throat panel to eliminate wind driven rain and/or snow even in high wind situations. The perforations are preferably designed as mini-louvers, wherein the mini-louvers of the main hood and the mini-louvers of the throat panel comprise the same shape and count the same number.

Abstract: An actuator assembly for actuating air blocking elements of an outlet assembly is provided. The actuator assembly includes an actuator arm and a selector member operatively connected to the actuator arm to rotate the actuator arm about an arm axis. The actuator arm is operatively connected to a first air blocking element to rotate the first air blocking element towards its air blocking position without moving a second air blocking element upon rotation of the actuator arm in a first direction from a neutral, non-blocking position of the actuator arm about the arm axis. The actuator arm is operatively connected to the second air blocking element to rotate the second air blocking element towards its air blocking position without moving the first air blocking element upon rotation of the actuator arm in a second direction opposite the first direction from the neutral, non-blocking position.

Abstract: A fire tube with three hollow tube sections, two of which are parallel to each other and one of which is perpendicular to and connects the ends of the first two tube sections. The bottom-most tube section, which contains the burner, has an inner ceramic liner that is made up of one or more separate ceramic tubular sections. An upper set of cooling fins surrounds the top part of the bottom-most tube section, and a lower set of cooling fins surrounds the bottom part of the bottom-most tube section.

Abstract: A climate control system includes a plurality of vent registers, an HVAC unit delivering conditioned air to the plurality of vent registers, a side door status monitoring device and a controller configured to control opening and closing of the plurality of vent registers in response to side door status data provided by the side door status monitoring device. A related climate control method is also provided.

Abstract: A wind direction adjustment mechanism includes: a support plate having a holding protrusion; a fixed plate fixed to a surface portion of the support plate; a movable plate facing the surface portion of the support plate, and slidably held by the support plate; and a plurality of wind direction plates formed of an elastic material, and provided to extend between the fixed plate and the movable plate, wherein the movable plate has an angle holding portion into which the holding protrusion is inserted to maintain a sliding position of the movable plate, the angle holding portion includes a side wall portion and a plurality of partition wall portions, the side wall portion protruding in a direction opposite to a direction toward a portion where the support plate is disposed, thus forming a frame structure, the plurality of partition wall portions being formed in parallel, each of the plurality of partition wall portions is formed such that an angle adjustment portion and an angle restricting portion are integrall

Abstract: A modular data center has an air handling unit (AHU) that is coupled to a first panel that is engaged over a first opening in a volumetric container. The AHU directs pressurized supply air through a supply air outlet into a cold aisle causing the supply air to pass through a first side of the IT component(s) installed in an interior of the volumetric container. A chimney of a return air plenum captures return air from a second side of the IT component(s), directing the return air to a return air duct of the return air plenum that is connected to a return air inlet of the AHU. In one or more embodiments, a second AHU is coupled to a second panel that is engaged to a second opening in a second side, directing pressurized supply air via a supply air plenum to the opposing first side.

Abstract: An air-wall room system, suspended from a room ceiling, having a compressed air discharge duct. The air discharge duct is used for circulating compressed air into a hollow, four sided, upper air-wall frame with air openings. The air from the upper air-wall frame is circulated into a work space. The hollow upper air-wall frame includes air discharge ports for creating an air-wall. The air-wall, similar to a curtain, prevents toxic gases from escaping outside the work space. Corners of the upper air-wall frame are attached to vertical frame members. A bottom of the vertical frame members is attached to corners of a hollow, four sided, lower air-wall frame. The lower air-wall frame includes vacuum ports for receiving the bottom of the air-wall. A side of the lower air-wall frame is connected to a vacuum air exhaust duct. The air exhaust duct is used for drawing a vacuum in the hollow lower air-wall frame and exhausting the air-wall out a vacuum air exhaust duct.

Abstract: Provided is an air-conditioning system including: an air pollution level detector configured to detect each of a pollution level of outside air, which is air outside a vehicle, and a pollution level of inside air, which is air inside the vehicle; and an air-conditioning control device configured to control air conditioning by switching an air-conditioning mode of the vehicle between an inside-air circulation mode and an outside-air introduction mode. The air-conditioning control device switches the air-conditioning mode from the outside-air introduction mode to the inside-air circulation mode based on the pollution level of the outside air acquired from the air pollution level detector, and switches the air-conditioning mode from the inside-air circulation mode to the outside-air introduction mode based on the pollution level of the inside air acquired from the air pollution level detector.

Abstract: An air vent for a vehicle includes a housing with an air inlet, an air outlet, and an air channel between the air inlet and the air outlet; at least one rigid air directing body arranged within the air channel; and an actuator arranged within the housing in order to act on the rigid air-directing body to determine a direction of an air stream exiting the air outlet, where the actuator includes a shape memory alloy element, and the rigid air-directing body is pivotably arranged within the housing by being affixed to a first axis which runs parallel to a second axis to which the actuator is affixed to be pivotably arranged within the housing.

Abstract: A data center provides containment walls of an operation technology (OT) interior compartment, such as a meet me room, positioned between cold and hot aisles in an information technology (IT compartment. The OT interior compartment limits air flow so that IT components outside of the OT interior compartment receive sufficient supply air for moderating or cooling a temperature of the IT components. Pressure differential is measured on an exterior and interior of door(s) to the OT interior compartment. Air flow regulation device(s) are positioned in a supply air passage to the OT interior compartment and/or in a return air passage out of the OT interior compartment are controlled to limit the pressure differential between an exterior and interior of the containment wall. Limiting the pressure differential ensures that door(s) facing the cold aisle are not difficult to open and door(s) facing the hot aisle are not difficult to close.

Abstract: An air-treatment system for a confined environment, in particular the cabin of a vehicle, includes: a supply unit including an inlet port, a delivery port, and a purge port, the supply unit being configured for delivering air to said confined environment through the delivery port; and a first filtering device having a first filtration level, and a second filtering device having a second filtration level, each of the first and second filtering devices being arranged in fluid communication with the inlet port of said supply unit at a circuit node. A single flow-control valve determines inlet flow through one or other of the filtering devices.

Abstract: Provided is a register that can more surely suppress abnormal noise caused by air passing through a space between a damper and a retainer. An inner wall of an upper side wall of the retainer is formed with a plurality of rib parts provided on a downstream side relative to an outer periphery on the downstream side of a plate member in a closed state of a damper. The plurality of rib parts is arranged in a direction parallel to a turning axis of the damper, and adjacent rib parts are formed into different shapes. A soft seal member is provided with a plurality of protrusion parts on an upper surface of the outer periphery on the downstream side of the plate member.

Abstract: An airflow device includes a cooling air passage structure formed external to and along a side of a server chassis, the cooling air passage structure extending in a depth direction of the server chassis from a front side of the server chassis. The airflow device further includes an airflow channel formed within the cooling air passage structure, the airflow channel extending in the depth direction, and a vent fluidically connecting the airflow channel with an interior of the server chassis at a vent location that is rearward in the depth direction relative to the front side.

Abstract: A precursor supply cabinet for accommodating one or more precursor containers having cabinet walls defining an inner cabinet space. The precursor supply cabinet includes a ventilation discharge connection arranged to discharge ventilation gas from the inner cabinet space, one or more ventilation inlet connections, two or more separate gas tight precursor supply chambers for accommodating precursor containers. The gas tight precursor supply chambers are arranged inside the inner cabinet space of the precursor supply cabinet such that the inner cabinet space of the precursor supply cabinet surrounding the separate gas tight precursor supply chambers is ventilated.