Abstract: A method of controlling a ceiling type air conditioner including a panel located on a ceiling surface, outlets formed to correspond to four sides of the panel, and first to fourth discharge vanes for opening and closing the outlets, and each of the first to fourth discharge vanes including an upper discharge vane and a lower discharge vane located below the upper discharge vane and rotating along with the upper discharge vane includes performing first operation, performing second operation, performing third operation, and performing fourth operation in which the first discharge vane rotates in the second angle group, the second discharge vane rotates in the third angle group, the third discharge vane rotates in the fourth angle group and the fourth discharge vane rotates in the first angle group. The first to the fourth angle groups are set such that rotation angles of the discharge vanes have different ranges.

Abstract: A system includes an enclosure having at least one panel with a grill disposed thereon. The grill includes a plurality of rounded, elongated openings, with each elongated opening having a pair of rounded ends connected by a curved middle portion. Each of the pair of rounded ends is defined by a first radius. The system further includes electrical equipment housed in the enclosure and at least one fan configured to force air over the electrical equipment and out the grill of the at least one panel.

Abstract: The present embodiments provide a vent cover with an integrated drain tube attachment. The vent cover provides a structure for fastening or attaching a drain tube and guiding condensate from behind the vent cover in a controlled fashion. The structure is provided on a cover for connection of a drain tube rather than allowing the drain tube to simply float behind the cover. This positioning allows for controlled drainage in a manner that is preselected and retains the drain tube in a desired position.

Abstract: A desuperheater includes a ring body defining an axial flow path and one or more spray nozzle assemblies around the ring body. Each spray nozzle assembly is connected to a separate water manifold and steam manifold to provide cooling water and atomizing steam through the spray nozzle assemblies. A nozzle sleeve of each spray nozzle assembly has a solid, unitary body having first, second, and third fluid passages formed through the body. The first fluid passage is in fluid communication with the water manifold and with a first exit aperture formed in a second end of the body. The second fluid passage is in fluid communication with the steam manifold and with a second exit aperture formed in the second end of the body. The third fluid passage is in fluid communication with the steam manifold and with a third exit aperture formed in the second end of the body. The second and third exit apertures are positioned on opposite sides of the first exit aperture.

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: A blowing device of an air conditioner includes a case (20) connected to an air conditioner of a vehicle; a ventilating flow path (50) formed from an inlet port (50c) to an outlet port (50d) of the case (20); a first inclined portion (51) provided on the inlet port (50c) side of the case (20); a second inclined portion (52) provided on the outlet port (50d) side of the case (20); an intermediate portion (53) formed between the first inclined portion (51) and the second inclined portion (52) in the case (20); and an airflow direction changing device (40) provided in the ventilating flow path (50) and capable of changing an airflow direction of an inflow wind through the inlet port (50c) toward a space between the outlet port (50d) and the intermediate portion (53), wherein the airflow direction changing device (40) includes a plurality of fins (40f) inclined in conjunction with each other.

Abstract: A spray nozzle assembly has a housing with a body and cap flange secure to the body to define a bore within the housing. A first aperture is formed through the body and intersects the bore and a second aperture is formed through the cap flange and intersects the bore. A nozzle sleeve is disposed within the bore and has a solid, unitary sleeve body. First and second fluid passages are formed through the sleeve body. The first fluid passage is in fluid communication with the first aperture and a first exit aperture in an end of the sleeve body. The second fluid passage is in fluid communication with the second aperture and second and third exit apertures in the end of the sleeve body, which are positioned on opposite sides of the first exit aperture. A portion of the second fluid passage surrounds the first fluid passage.

Abstract: Invention relates to a vertical ring shaft kiln comprising a vertical burning region (1); an intermediate sintering zone (Z3) surrounded by a first wall (10) and an opposite second wall (20) at the burning region (1) to obtain a clinker from a particulate raw material flowing downwards direction.

Abstract: Air vent includes a housing and an air duct having an air inlet end and an air outlet end, wherein an air flow flowing through the air duct can flow along a main flow direction from the air inlet end to the air outlet end. The air vent includes a front air-guiding element in the air duct that is adjustable about a front axis of rotation. The air vent includes a rear air-guiding element which is arranged in the air duct upstream of the front air-guiding element and is adjustable about a rear axis of rotation. The front air-guiding element can be rotated about the front axis of rotation and the rear air-guiding element can be rotated about the rear axis of rotation by moving a control element.

Abstract: A vehicle passenger compartment vent structure that includes a rear wall structure, a drafter vent assembly, a baffle and a trim panel. The rear wall structure defines a rearward area of a passenger compartment of a vehicle. The rear wall structure defines at least one vent opening. The drafter vent assembly is installed to the rear wall structure covering the at least one vent opening. The baffle is installed to the rear wall structure adjacent to the drafter vent assembly and is configured to dampen sound from the drafter vent assembly. The trim panel is installed to the rear wall structure contacting the baffle and concealing the drafter vent assembly.

Abstract: A decorative air vent apparatus can be used to cover air vent openings that supply heated or cooled air to a room from a central HVAC system. The decorative air vent is comprised of a housing, a decorative insert, and a decorative face plate. The housing supplants or is inserted into a conventional HVAC air vent opening and provides a space for the attachment and display of a decorative insert on the interior of the vent opening. The decorative face plate attaches to the housing, and has a central opening allowing for visual observation of the interior of the housing for the observer's enjoyment of the displayed decorative insert. The insert and face plate present artistic patterns or depictions and are interchangeable. When not used in conjunction with the housing, the decorative insert can be attached directly to the decorative face plate and displayed on a flat surface.

Abstract: A ventilated window frame comprising; a frame having a plurality of slots along an interior edge and a channel having a first opening and a second opening, a permeable layer fitted within one of the plurality of slots distal to the first edge of the frame, a permeable layer secured within one of the plurality of slots distal to the second edge of the frame, a non-permeable layer secured within one of the plurality of slots between the first and second permeable layers, wherein the first opening of the channel is between the first permeable layer and the non-permeable layer and the second opening of the channel is located between the second permeable layer and the non-permeable layer, a filter inserted within the first opening of the channel, and a fan fitted between the first opening and the second opening of the channel.

Abstract: A refrigerator comprises: a refrigerator compartment comprising a storage compartment and a ventilation channel limited therein, wherein the ventilation channel is configured to provide a cold air to inside of the storage compartment; and a ventilation control device, arranged in the ventilation channel. The ventilation control device comprises: a housing comprising at least one air inlet and a plurality of air outlets; and an adjustment member configured to adjust respective areas of the plurality of air outlets, through which air is output, by being controlled to completely block, partially block, or completely open each of the air outlets, so as to adjust an air volume of the air output to the storage compartment via the ventilation channel.

Abstract: An air flow regulator for a railway vehicle is configured so that the rattling of bars can be prevented without using welding, an affixation member, etc. An intake grill is provided at an intake opening for sucking air from an interior of a railway vehicle. The intake grill includes a frame, bars, and a reinforcement capable of deforming the bars. The frame defines an outer edge of the intake opening. The bars are plate-shaped members spanned between portions of the frame to connect the portions to each other. The reinforcement elastically deforms the bars to generate reaction force therein.

Abstract: A vertical heat recovery steam generator, the low-pressure stages of which are designed as a once-through system, having a condensate preheater with at least one condensate preheater heating surface, through which a flow medium flows and which is disposed in a hot gas channel through which hot gas flows, a low-pressure preheater with at least one low-pressure preheater heating surface through which the flow medium flows and which is disposed in the hot gas channel, and a low-pressure evaporator with at least one low-pressure evaporator heating surface through which the flow medium flows and which is disposed in the hot gas channel. The flow medium flows successively through the at least one low-pressure preheater heating surface and the at least one low-pressure evaporator heating surface in one pass and without additional pressure compensation.

Abstract: Provided is a railway vehicle air-conditioning duct that is capable of achieving a more uniform in-cabin temperature distribution through more appropriate volume distribution of conditioned air. A railway vehicle air-conditioning duct that supplies conditioned air generated by an air conditioner into a cabin and that extends in a vehicle length direction at a vehicle ceiling part has: a main duct; a chamber duct; a branch duct; and a guide part. The guide part is lower in height than the main duct, extends to a branch duct from the main duct or a partition wall in the main duct in a vehicle width direction, and supplies to the branch duct a portion of the conditioned air supplied to the main duct.

Abstract: The present disclosure provides an air distribution system comprised of a central unit connected to a ventilation system and a control system. The central unit is responsible for re-directing ambient air through an evaporator and condenser coil in order to heat and cool said air and separately distribute it through the ventilation system. A control system is connected to the ventilation system, which allows for either hot or cool air that is compartmented in the ventilation system to be distributed in the rooms. By doing so, the air distribution system is able to manage the various demands for simultaneous hot and cold air demands.

Abstract: Disclosed herein is a air conditioner. The air conditioner a housing including a suction port and a discharge port, a heat exchanger provided inside the housing, a blower fan configured to suction air through the suction port, pass and heat-exchange the air through the heat exchanger, and then discharge the air through the discharge port, and a sub-flow path that suctions and guides some air around the discharge port using a suction force of the blower fan to control the flowing direction of the air discharged from the discharge port.

Abstract: An air blowing device and an air blowing system reduces a region where a person cannot be recognized in a space provided with the air blower, and achieves control of the air blower in view of a person in a larger range in the space. The air blower includes: a first sensor configured to detect a position of a human in a first human detection range; a receiver configured to receive a detection result of a second sensor transmitted from a transmitter of a sensor-mounted device, the sensor-mounted device including the second sensor configured to detect a position of a human in a second human detection range; and a controller configured to perform air blowing control when the first sensor does not detect a human in the first human detection range and the second sensor detects a human in the second human detection range.

Abstract: A heating, ventilation, and air conditioning (HVAC) airflow distribution module is integrated with a driver-focus mode operation mechanism for a vehicle. The module utilizes: a driver face door to control airflow through driver face outlets; a passenger face door sub assembly to control airflow through a passenger center face outlet and a passenger side face outlet independently; a foot door sub assembly including a passenger front foot door and a main foot door to control airflow through a passenger front foot outlet independently from driver front and rear foot outlets and a passenger rear foot outlet; and a separator to separate airflow through passenger front and rear foot outlets. The present disclosure enables an HVAC airflow distribution module to focus airflow on the driver's seat and maintain the vehicle recirculation at a comfortable level when no passenger is present.