Abstract: The disclosure relates to a method for determining the positions of a number of fans (Vn,m) for generating an air flow in a preferably enclosed space, which have a speed sensor for determining their position, wherein the fans (Vn,m) are arranged in rows (R1, R2, . . . , Rn) and columns (S1, S2, . . . , Sm), wherein at least the position (i, j) of one fan (Vi,j) is known.

Abstract: An air conditioning register has a tubular case portion that forms a blowout port and an air passage for air conditioning, and a shut-off damper that is supported at the tubular case portion so as to be movable in an intersecting direction that intersects an airflow direction of the air conditioning within the air passage, and that opens and closes the air passage by moving.

Abstract: This disclosure provides storage chassis including base storage sub-assemblies and partitions. Base includes bottom plate, top plate, first side plate and second side plate. Front side of bottom plate is opposite to back side of bottom plate. Bottom plate is located opposite to top plate. First side plate is located opposite to second side plate. First side plate and second side plate are connected to and located between bottom plate and top plate. Storage sub-assemblies are movably disposed between first side plate and second side plate. Partitions are disposed between first side plate and second side plate. Opposite ends of each partition are respectively connected to top plate and bottom plate. Partitions separate storage sub-assemblies from one another so that storage sub-assemblies are respectively located in airflow channels that are independent to one another.

Abstract: This technology relates to a system for cooling sensor components. The cooling system may include a sensor which has a sensor housing, a motor, a main vent, and a side vent. Internal sensor components may be positioned within the sensor housing. The motor may be configured to rotate the sensor housing around an axis. The rotation of the sensor housing may pull air into an interior portion of the sensor housing through the main vent, and the air pulled into the interior portion of the sensor housing may be exhausted out of the interior portion of the sensor housing through the side vent.

Abstract: A deflector rod includes a linkage member configured to drive a louver of an air outlet frame to rotate and a shift member connected with the end of the linkage member. The linkage member includes a first limiting projection provided at one end of the linkage member. The shift member includes a groove extending between two opposite ends of the shift member and a second limiting projection provided at a side wall of the groove away from the linkage member. Both the second limiting projection and the first limiting projection are spaced apart from a bottom wall of the groove. The groove, the first limiting projection, and the second limiting projection are configured to clamp an air guide bar of the air outlet frame such that the air guide bar is at least partially located in the groove, between the second limiting projection and the bottom wall of the groove, and between the first limiting projection and the bottom wall of the groove.

Abstract: A humidifier, preferably for aircrafts, includes a humidifier device, an outlet fan as well as a heat exchanger and a heat exchanger fan. The humidifier device is provided with an intake for a mixture of non-humidified air and recirculated air as well as an outlet for the air mixture. A recirculation fan is placed in a recirculation loop between the outlet and the intake so that a portion of the air mixture should be recirculated back to the humidifier device. An aircraft can be equipped with such a humidifier and a humidifier method used in an aircraft.

Abstract: A connector to fit in a window gap, the connector having a generally elongated shape and having two parts being slidable in relation to each other. The connector includes an air-inlet adapted to receive air from an air conditioner and an air outlet. The two parts include a body and a telescopic part and the connector is adapted to be manipulated to be in: a first state where the body and the telescopic part can be moved in relation to each other in a length direction of the connector, or a second state where the body and the telescopic part are locked in relation to each other in a length direction of the connector by a locking mechanism.

Abstract: An aircraft is provided. The aircraft includes a pressurized volume and an air conditioning system. The air conditioning system operates in a first mode when the aircraft is performing high altitude operations and a second mode when the aircraft is performing low altitude operations. The first mode includes when a first medium, a second medium, and a third medium are mixed by the air conditioning system to produce a chamber ready medium. The second mode comprises when only the first medium and the second medium are mixed by the air conditioning system to produce the chamber ready medium. The air conditioning system provides the chamber ready medium to the pressurized volume.

Abstract: A system for air handling, the system includes a pipe comprised of plastic having an oval cross-section. The system may further include a register boot comprised of plastic having a main body with a first opening and a second opening wherein the first opening has an oval cross-section for connection with an oval pipe and wherein the second opening is generally rectangular for fitting a register cover. The system may further include a fitting having a first end and a second end, the first end having a round opening and a second opening having an oval cross-section and a main body between the first end and the second end. The main body may be sized and shaped such that the round opening is presented orthogonally to the second opening. The system may further include a t-fitting having a first segment with a first opening attached to a second segment orthogonal to the first segment, the second segment having first and second opposite openings.

Abstract: A ventilation apparatus according to the present invention comprises: a case having a flow hole; a flow guide positioned inside the case, the flow guide having an inflow opening that communicates with the flow hole, and the flow guide having a guide surface that slopes downward as the same extends outward; a swirler positioned in an area formed by the flow guide and configured to rotate in order to discharge a part of air introduced through the flow hole out of the case again, the swirler having a plurality of blades; a driving motor for rotating the swirler; and a grill member that covers the swirler outside the case and provides an air channel. The grill member comprises a grill rib that forms a suction channel for suctioning air and a discharge channel for discharging air. The discharge channel may be positioned outside the suction channel.

Abstract: An air vent for a vehicle may include: a duct part having an internal path through which air is moved; a first adjusting part rotatably installed in the duct part, and guiding the direction of discharged air while rotated in a side-to-side direction; a second adjusting part rotatably installed in the duct part with the first adjusting part, and adjusting a flow rate and direction of discharged air while rotated in an upward/downward direction or blocking an air flow passing through the duct part; a driving part connected to the second adjusting part and configured to supply power to rotate the second adjusting part; and a rotation pressing part connected to the second adjusting part and elastically supporting the second adjusting part to rotate the second adjusting part in one direction.

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 funs 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 rooftop exhaust fan incorporates a mechanical motor lockout that prevents a fan motor from being energized when the exhaust fan assumes an open position for cleaning, maintenance or inspection.

Abstract: Disclosed is an HVAC system configured to reduce noise. The HVAC system includes a door having a first and second end. The door includes an elastomer along the first end and a rotatable member adjacent the second end. The elastomer includes a door touch area. The case defines an internal case portion, external case portion, and a case opening fluidly connecting the internal and external case portion. The case is configured to receive the rotatable member of the door such that the door is rotatable about an axis between a first position, where the door covers the case opening, and a second position, where the door does not cover the case opening. The case includes a case touch area with a graining. The door touch area and the case touch area are substantially parallel and in contact along a surface contact area when the door is in the first position.

Abstract: A system for mixing and distributing air in an aircraft cabin, comprising: a first, internal air supply line, a second air supply line at least partially surrounding the internal air supply line, and a mixed air distribution system for mixing the air supplied from the air supply lines and for distributing the mixed air. The mixed air distribution system comprises a plurality of outlet lines for the outlet of mixed air into the aircraft cabin. The two air supply lines comprise outlets which, in each case, discharge into the mixed air distribution system. The two air supply lines are thermally coupled, and the main directions of extent of the air supply lines and of the mixed air distribution system are oriented substantially parallel or collinear to one another.

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. It can also be used as a suction generator that supplies so-called suction or negative pressure to help stabilize such building components as roof membranes by channeling the low pressure to their underside to balance the wind uplift above. The ventilator has an enhanced rainwater-proof method that serves to defend the vent system, and the space being vented, against rainwater invasion, even if raindrop trajectory becomes highly oblique from vertical as driven by strong winds.

Abstract: An air mover assembly may be configured such that during insertion of the assembly into an air mover gantry, one or more spring features integral to the gantry apply a first spring force opposite to a direction of insertion of the assembly relative to the gantry in order to maintain the assembly in an unseated position until the first spring force is overcome by an opposite force to fully seat assembly into the gantry and when the assembly is fully seated within the gantry, the one or more spring features integral to the gantry apply a second spring force to the assembly in a direction of air flow through an air mover of the assembly that biases an exhaust portion of the air mover toward a face of the gantry opposite of the one or more spring features.

Abstract: A makeup air unit comprising a housing defining a compartment. The housing further defines at least one exhaust inlet for receiving air from an indoor space into the compartment and at least one exhaust outlet for passing air from the compartment to the atmosphere. The housing further defines at least one intake inlet and at least one intake outlet each extending into the compartment. The exhaust inlet and outlet are fluidly disconnected from the intake inlet and outlet. An air moving device overlies the intake outlet and is configured to transfer air from the compartment through the intake outlet into the work space. A flap switch unit is disposed in the compartment adjacent to the exhaust outlet and is configured to detect a flow of air through the exhaust inlet and to activate the air moving device in response to a detection of the flow of air.

Abstract: A multi-directional smooth damper includes a base including an inner cavity, two ends of the inner cavity defining openings, a first rotating portion, and a second rotating portion. A first end of the first rotating portion is rotated and disposed in the inner cavity of the base and a shape of the first end of the first rotating portion corresponds to a shape of the inner cavity. A second end of the first rotating portion passes through an opening of one end of the base. The first rotating portion is disposed at one end of the base having the opening and the inner cavity. A first end of the second rotating portion is rotated and disposed in an inner cavity of the first rotating portion. A grease layer is coated between a surface of the first rotating portion and the surface of the inner cavity of the base.

Abstract: Provided are a heat exchanger capable of cooling a shell plate and having good assemblability and a hot water apparatus having the same. A primary heat exchanger includes a heat exchanging portion, a shell plate, and a shell pipe portion. The shell plate surrounds the heat exchanging portion. The shell pipe portion is for cooling the shell plate. The shell plate includes a front surface portion and a main body portion. The main body portion is installed on the front surface portion and is formed by bending one sheet of plate into a U shape. The shell pipe portion is bent in a U shape along an inner surface of the main body portion and installed on the inner surface.