Abstract: An air vent for a motor vehicle includes a housing which defines an air guiding channel and a plurality of lamellae which are provided at their ends with bearing pins, the lamellae being pivotably attached thereby to the housing. The lamellae are mounted on opposing sides with one respective radial bearing and on just one side with one respective axial bearing.

Abstract: An air conditioner includes a housing having a discharge port, a blade rotatably provided in the discharge port, a blade drive unit configured to rotate the blade, a first support member configured to rotatably support the blade and comprising a first blade coupling portion, a second support member configured to rotatably support the blade, located to be closer to the blade drive unit than the first support member, and comprising a second blade coupling portion having a size different from that of the first blade coupling portion.

Abstract: A ventilation device including a housing including at least one horizontal louver and at least one vertical louver in an arrangement nested into each other in a cross over pattern; and a regulation device which controls at least one flow out direction, wherein the at least one horizontal louver and the at least one vertical louver are respectively supported in the housing so that the at least one vertical louver is pivotable about a vertical pivot axis and the at least one horizontal louver is pivotable about a horizontal pivot axis.

Abstract: An air vent structure may include spacers mounted at sides of an outlet of an air duct; a single horizontal wing, and an upper and lower horizontal wings that have hinge grooves to which hinge pins of the spacer are inserted and formed in front side portions of the horizontal wings and positioned in horizontally in the outlet, the upper and lower horizontal wings being disposed above and below the single horizontal wing; a main link having a front end portion which a first hinge end portion hinged to a rear portion of both side surfaces of the respective horizontal wings and a rear end portion in which a second hinge end portion is formed at upper and lower portions in the rear end portion; an auxiliary wing connected to the slot of the spacer and the second hinge end portion of the main link; and a dummy wing covering the spacer.

Abstract: On a centerline parallel to an air blowing direction inside a retainer, a ball joint with a ball is disposed. On a turning louver, a central axial support portion from which axial support portions are projected radially is disposed at the center of a cylindrical frame. The central axial support portion is attached tiltably and turnably by fitting a ball hole provided at the center with the ball. Inside the cylindrical frame, movable fins are axially supported turnably at substantially even intervals by pivots in radial directions, and the inner-side portions of each movable fin are axially supported by each axial support portion. To the front surface side center of the central axial support portion, an operation portion is fitted turnably around the centerline of the turning louver, and the operation portion is linked to the inner-side portions of each movable fin via a bevel gear mechanism.

Abstract: A method, apparatus, and system in which an air dam is incorporated into an air ventilation stream of a datacenter to control the temperature of an interior space of the datacenter. The datacenter may include a raised floor in which the ventilation stream is injected through perforations within the raised floor. An air dam may be positioned at an entry region of the under floor plenum to obstruct the flow of air from a supply air plenum. The air dam is used to create a positive pressure across the raised floor at a substantially constant pressure distribution.

Abstract: A vehicular airflow outlet comprising a plurality of outlet units having an airflow unit, a ball joint, and a connection member; a control knob unit including a control knob coupled to a ball joint; and a connection mechanism configured to couple the ball joint of the each of the outlet units and the ball joint of the control knob unit is provided. The airflow outlet allows for the direction of airflow throughout a vehicle passenger compartment without the use of multiple sets of vanes. The airflow outlet directs airflow through the use of a single control knob. Force applied to the face of the control knob is operable to simultaneously pivot the ball joints of each of the plurality of outlet units and the ball joint of the control knob unit in unison to adjust airflow direction, allowing for the direction of air at a variety of angles.

Abstract: An outdoor unit for an air conditioner according to an exemplary embodiment of the disclosure, comprising: a case forming shape and having a suction port suctioning outside air and a discharge port discharging the suctioned air; a heat exchanger accommodated inside the case; a fan that is accommodated inside the case and forcibly circulate air; and a louver assembly revolvably mounted in the case so as to selectively open and close the discharge port.

Abstract: A louver system for controlling airflow in a duct from a forced air heating, ventilation, and air conditioning (HVAC) system with a housing and a louver located on a mounting fascia. The system having a longitudinal slat located in the perimeter wall that is movable between the fully open position and the fully closed position via a slat positioning assembly. The slat positioning assembly is powered by a mainspring assembly. A winding assembly is operatively coupled to the mainspring assembly which is wound by a motor or a hand crank. A local control system having a microprocessor, a transmitter, and a receiver sends a positioning signal to the slat positioning assembly that rotates the slat to a specified position via power from the mainspring assembly.

Abstract: An apparatus, methods and systems for an independent air register vent assembly having a register frame assembly, louver components, and a means to adjust the register frame assembly and louver components to a range of lengths and/or widths. A length and/or width adjustable grill assembly covers the register frame assembly. A removable motor-receiver is attached to operate the louver components. The motor-receiver places the louvers into open, closed, and one or more intermediate positions. The louvers may also be manually operated. A remote transmitter controls the motor-receiver. An optional digital thermometer on the transmitter passively displays the room temperature. Low battery and re-powering conditions move the louvers into fully open positions. The air register vent assembly is installable in one or more configurations: manual only, with motor-receiver, and/or with remote transmitter, depending on the option selected. The register vent assembly option can be changed in the field.

Abstract: An air-conditioning vent vane adjusting device includes a driving board for driving a vane to rotate, a push-button installed on the wind gate panel, and a connecting element of the driving board. The connecting element includes a fixed plate coupled to the push-button and moved together with the push-button, and the fixed plate has a guide notchnotch tilted with respect to the lengthwise direction of the driving board. The driving board has a lug accommodated in the guide notchnotch and capable of sliding in the guide notchnotch. With the tilted guide grove and the lug, the driving board can be moved reciprocally to overcome the problems of requiring a large operating force of the push-button of the tight assembly of the conventional driving board and connecting element and the difficulty of opening and closing a vane.

Abstract: A ventilation device for mounting in a wall of a building includes a supporting framework adapted for mounting in the wall and forming an air flow passageway for flow from the exterior of the wall to an opposite side. A vent flapper is pivotally mounted in the framework for selective movement within the framework between a closed position where air flow through the passage is prevented and an open position where air flow is allowed. Thermal insulation material is fixedly mounted on or in the vent flapper and is arranged to extend across the air flow passage in the closed position of the vent flapper. A handle can be mounted on an interior-facing side of the flapper for moving it between the closed and open positions. An exemplarily version of the device includes a vent cover mounted on the supporting framework at an exterior end of the air flow passage.

Abstract: A louvre arrangement for a ventilation arrangement. The louvre arrangement defining a plurality of passages into a housing. The passages extending generally upwardly inwards, and having an upper concave surface to urge air passing therethrough to turn inwardly and downwardly.

Abstract: A removable vent (1) for an air ventilation system, the vent comprising: a frame (2) configured to allow the vent to be removably mounted within an opening; a grille (3) configured to allow the passage of air through the vent from a first face to a second opposing face; and a passive air flow diverter (4, 5) extending beyond the first face (7) of the vent and configured to redirect air flowing laterally across the first face to flow through the vent.

Abstract: The invention relates to an HVAC vent control system. There is a need for a mechanism by which an operator can easily adjust HVAC vent controls for vents remote from the operator. A roof panel forms a set of air vents and ports. A vent control unit includes left and right door units mounted for rotation on the panel. Each door unit has a louver door and a gear piece connected thereto. The louver doors are movable to control airflow through the ports. The gear pieces are in meshing engagement with the other so that the door units operate symmetrically with respect to each other. A control knob is coupled to the one of the gear pieces so that rotation of the knob causes rotation of the first and second gear pieces and corresponding movement of the left and right louver doors.

Abstract: The invention provides an airflow regulator for a mine passage, comprising: a louver blade pivotable to a predetermined position, which is in a range from a closed position in which the louver blade restricts at least a portion of the passage to an open position in which air is readily able to flow in the passage; and a linkage mechanism for pivoting the louver blade wherein the linkage mechanism includes a biasing strut mechanism which is only activated to pivot the louver blade into the open position when a predetermined airflow is reached and biases the louver blade to its predetermined position after the airflow has reduced to less than the predetermined airflow.

Abstract: An adjustable air vent assembly has a frame and a plurality of louvers pivotally mounted to the frame. The plurality of louvers is movable between a closed position and a diffuse position. In the closed position, each louver has an edge contacting an edge of at least one other louver to substantially prevent air from flowing through the plurality of louvers in the closed position. In the diffuse position a first louver is oriented along a non-parallel plane with respect to a second louver. A single actuator is provided for moving the plurality of louvers between the closed and diffuse positions.

Abstract: In an air handling unit for discharging a flow of air into the surrounding ambient, having a series of horizontal louvers and a series of vertical louvers mounted in the discharge flow. A first multi-phase stepper motor is arranged to step the horizontal louvers to deflect the air flow in a vertical direction and a second multi-phase stepper motor is arranged to step vertical louvers to deflect the flow in a transverse direction. A controller is programmed to alternately apply power from a single power source to each of the motors during each phase to step each motor in equal increments during each phase.

Abstract: A vent adjusting apparatus for opening and closing air vents of a recreational vehicle includes a handle provided with a first adapter attached to one end portion thereof. The first adapter includes a groove that has first and second bores oppositely spaced for engaging a portion of an air vent and rotating same in a selected radial path. A second adapter is attached to an opposite end of the handle and includes protrusions for engaging an alternate air vent design. The top surface of the second adaptor includes a bore that is in continuous contact with the second adapter receptacle for securely maintaining the handle secured thereto. In an alternate embodiment, the handle may include a telescopic portion for adjusting a length thereof as desired by a user.

Abstract: An air-conditioning register includes: a register panel exhibited in a compartment and having an opening for flowing out conditioned air; a retainer provided so as to cave in the register panel and having an air passage communicating with the opening; a vertical fin unit including vertical fins received in the retainer and capable of adjusting a wind direction of the conditioned air horizontally; a horizontal fin unit including horizontal fins received in the retainer and capable of adjusting a wind direction of the conditioned air vertically; and an open/close damper received in the retainer and capable of opening/closing the air passage. The air-conditioning register further includes a common operation portion capable of operating the vertical fin unit, the horizontal fin unit and the open/close damper.

Abstract: A process for manufacturing a register for ventilating air includes molding a deflector member, having a plurality of shafts and a plurality of first deflector plates. The deflector member is made from a first resin. A connector member, which holds the plurality of shafts rotatably and connects the first deflector plates swingably, is molded from a second resin that possess characteristics that prohibit it from fusing with the first resin. Next, a frame-shaped member, made from a third resin and having a plurality of second deflector plates, is molded by the process. Then, the deflector member, which includes the connector member, is assembled with the frame-shaped member. A knob for operating the first deflector plates can be molded integrally with one of the first deflector plates.

Abstract: On opening and closing the louvers, provided at the air suction port in the front panel of the interior-side heat exchange unit, an arm is provided on the side of the rear surface of each of the louvers, and each of those arms is collectively driven by an interlocking plate which is reciprocatively moved linearly through the driving lever by a motor, whereby each louver is accurately interlocked to reliably open and close without the aid of the gear mechanism of pinion-rack.

Abstract: An air vent assembly for directing airflow includes a housing having an inlet and an outlet. The air vent assembly further includes a first plurality of vanes, each of said first plurality of vanes rotatably secured to the housing. A first link member is rotatably secured to each of the first plurality of vanes such that rotation of one of the plurality of first vanes rotates each of the first vanes. The air vent assembly further includes a second plurality of vanes, each second vane is rotatably secured to the housing. A second link member is rotatably secured to each of the plurality of second vanes such that rotation of one of the plurality of second vanes rotates each of the plurality of second vanes. Each of the first vanes rotates about one of a first set of parallel axes and each of the second vanes rotates about one of a second set of parallel axes. The first set of axes is coplanar with, and nonparallel to, and the second set of axes.

Abstract: Air conditioner which can adjust a direction of an air-flow being discharged into a room. The air conditioner has blades for controlling the air flow direction and a connecting bar for connecting the blades such that the blades rotate together. The blades and the connecting bar can be reassembled. The air conditioner can adjust the flow direction of the air discharged from the air conditioner, thereby uniformly conditioning the inside of a room. In addition, even if hinge bars which connect the blades and the connecting bar are damaged, the blades and the connecting bar can be reassembled.

Abstract: An air outlet has a plurality of vertical vortex generating structures 21 in a triangular shape arranged so as to be oriented at an angle .theta. with respect to diffused air.

Abstract: Each vertical vane contains two vane groups that are independently pivotable about their co-axis. A push button control mechanism selects between a jet setting in which both vane groups are parallel and a diffuse setting in which the two vane groups are non-parallel. The mechanism has a detent feature that keeps the diffuse setting until released.