Abstract: The present invention provides an indoor unit of an air conditioner, which is capable of improving the mounting accuracy between a front grill and a movable panel. An indoor unit of the air conditioner includes a main body casing, a front grill, a second panel, a driving machine, and an opening and closing mechanism. The front grill is provided forward of the main body casing and includes a first intake port. The second panel is capable of moving so as to open and close the first intake port. The driving machine is provided in the main body casing, and generates a driving force to move the second panel. The opening and closing mechanism is provided at the front grill, and moves the second panel by the driving force of the driving machine to open and close the first intake port.

Abstract: A casing (34) contains a rotating brush (151) for removing dust on an air filter (40), and a dust container (160) for containing the removed dust. A supply duct (71) through which air blowing from an indoor fan (39) enters the dust container (160), and a discharge duct (74) through which the dust contained in the dust container (160) is discharged out of the casing (34) together with the air are provided.

Abstract: An integrated air flow induction system for heating a building is provided, the system comprising a centrally located fireplace hearth assembly and wall and floor beam sections defining hollow channels therethrough. The hollow channels are configured to return air back to the fireplace. The fireplace comprises a fire box, the fire box configured to retain a fire therein and further configured to receive returned air from the hollow channels, such that the returned air is heated. A plenum, located below the fire box, is configured to receive the returned air from the hollow channels. A fan, located between the fire box and the plenum, is configured to direct the returned air received by the plenum through the fire box, such that the air is heated by the fire box and dispersed throughout the building.

Abstract: An air conditioner principally includes a casing having a casing lower part formed by an alternating sequence of four panel side parts and four corner parts. The casing further has main outlets disposed along each of the panel side parts, and auxiliary outlets disposed at the corner parts. The air conditioner further includes horizontal flaps rotatably supported about longitudinal axes of the main outlets. A circumferential edge part of each of the auxiliary outlets is formed so that the air from each of the auxiliary outlets is blown out in a fixed direction.

Abstract: A semiconductor manufacturing process facility requiring use therein of air exhaust for its operation, such facility including clean room and gray room components, with the clean room having at least one semiconductor manufacturing tool therein, and wherein air exhaust is flowed through a region of the clean room. The facility includes an air exhaust treatment apparatus arranged to (i) receive air exhaust after flow thereof through said region of said clean room, (ii) produce a treated air exhaust, and (iii) recirculate the treated air exhaust to an ambient air environment in the facility, e.g., to the gray room of the facility.

Abstract: This invention, as a unit, is a training adjustable combination sight, primarily intended to be mounted on a vehicle of smaller vessel for close-in defence of these against air and ground attacks. In its entirety, aside from the required sight sensors (16-18) situated in an intentionally elevatable sensor housing (4), the combination sight entails a weapon (8) that is controlled by the sensors. The sight sensors (16-18) included in the combination sight can also be utilized for fire control of exterior weapons located elsewhere as well as for gathering purely surveillance data.

Abstract: The present invention provides a heat exchanger unit that can save space, even when performing air conditioning in addition to ventilation. The heat exchanger unit performs heat exchange ventilation with a supply air channel flowing from an outdoor space to an indoor space and an exhaust air channel flowing from the indoor space to the outdoor space and includes an optical deodorization portion and a first blowing portion. The optical deodorization portion is provided so as to be linked to at least the indoor space and performs air conditioning with a circulation channel. The circulation channel is provided in the vicinity of either the supply air channel or the exhaust air channel. The first blowing portion includes a double-suction first impeller having a first suction inlet and a second suction inlet. Here, one of the supply air channel and the exhaust air channel that is provided in the vicinity of the circulation channel is provided at the first suction inlet side of the first impeller.

Abstract: An air distribution system for an air conditioning system includes an air supply and a plurality of air distribution units. The air distribution units are arranged in a side-by-side configuration. The air supply is operably connected to at least one of the air distribution units. Each air distribution unit includes a delivery feature for delivering air from the air supply through the air distribution unit and into an adjacent air distribution unit.

Abstract: An apparatus for operating an auto-shutter in an air-conditioner having an external casing includes a louver frame having an air exit installed in the external casing, an auto-shutter movable between an opened position opening the exit and a closed position closing the exit, and a shutter driver driving the auto-shutter. The shutter driver includes a driving motor which is rotatably mounted in the casing for tilting forwardly and backwardly, a screw-rod rotationally coupled with the driving motor, a bushing coupled with the rotational rod which ascends and descends along with the rotational rod when rotated, a slider, one end of which is coupled with the auto-shutter and the other end of which is coupled with the bushing. The frame and shutter include cooperating surfaces defining to guide the auto-shutter and cause the driving motor and the rotational rod to tilt by a predetermined angle as the auto-shutter moves from the opened position to the closed position.

Abstract: A heat exchange system including ductwork for transporting fresh, preheated air into the interior space of a building. The ductwork has a header and at least one lateral in fluid communication with the header. The lateral includes a trunk passing through an opening in the exterior wall of a building. The trunk extends upwardly into the interior space of the building from the opening to an apex whose elevation is higher than the opening. A branching arm extends outwardly from said apex and has an open, terminal end remote from the trunk that serves as an air outlet. A tubular sleeve loosely encloses the trunk from the apex downwardly through the opening in the exterior wall so as to form an annular space between the trunk and the sleeve through which air is exhausted from the building. Air passing through the annular space conducts heat to the trunk, warms the trunk, and preheats the air within the trunk being blown into the building.

Abstract: A wind-guiding cover is applicable to an electronic apparatus having a dissipating fan, a first heat-generating device and a second heat-generating device sequentially disposed along a straight line. The electronic apparatus further includes an upper lid. The wind-guiding cover includes a cover board for covering the first heat-generating device, and a plurality of side boards disposed on two sides of the cover board. The cover board is formed with a wind-guiding opening corresponding in position to the first heat-generating device. The side boards and the cover board form a first passageway. The wind-guiding opening and the upper lid form a second passageway. Therefore, airflow generated from the dissipating fan will be guided through the first passageway to dissipate heat generated from the first heat-generating device, and further through the second passageway to dissipate heat generated from the second heat-generating device.

Abstract: An air-conditioning device generating cool/warm airflow and suitable for a pet house includes a casing having an outlet and an inlet. A cool/warm air conditioner is provided transversely in the casing to divide the casing into two flowing paths. The cool/warm air conditioner provides the two flowing paths with a cool temperature and a warm temperature, respectively. An airflow-dividing valve comprises a dividing plate provided at the outlet of the casing and a connecting pipe provided on the dividing plate. Each gas-supplying hole is provided on the dividing plate to correspond to the two flowing paths, respectively. Each wind unit is provided within the two flowing paths. With the airflow generated by the two wind units, the cool and warm temperature air generated by the cool/warm air conditioner can be transferred in a form of airflow to the gas-supplying holes. The user can choose the cool air or the warm air via the connecting pipe to adjust the temperature within the pet house.

Abstract: Ventilator including a case having a first flow passage and a second flow passage therein, at least one fan in the case for supplying room air to a room through the first flow passage, and guiding outdoor air to the room through the second flow passage, and a heat exchanger in the case, the heat exchanger having a working fluid therein for repeating evaporation (heat absorption) and condensing (heat dissipation) by a temperature difference of the air flowing through the first flow passage and the second flow passage, for making the air flowing through the first flow passage and the air flowing through the second flow passage to heat exchange, thereby providing a ventilator which is thin, can be installed conveniently, and can recover a thermal energy from room air, and reduce a pressure loss and noise.

Abstract: A mounting arrangement for an HVAC case includes a drain tube extending from the HVAC case and defining an outlet. A receiving portion extends from a docking station and is adapted to accept the drain tube in an assembled position. A first compressible material is disposed between the receiving portion and the docking station. The receiving portion is operable to deflect into the first compressible material upon slidable communication of the drain tube along a surface of the neck. A second compressible material is disposed between the drain tube and the receiving portion. The second compressible material is adapted to compress between the drain tube and the receiving portion in the assembled position.

Abstract: An air conditioner and filtering unit produces a positive or negative pressure to create an isolation space. A common air intake plenum has first and second inlets for admitting return air from the space or outside air which may be from a building main A/C system supply. Sanitized, cleaned and conditioned air is returned to the conditioned space; and condenser air is exhausted outside the conditioned space. The air intake plenum may be common to both the condenser air flow and to the evaporator air flow. A HEPA filter cleans the air suppled to both the condenser and the evaporator. A slide damper or other arrangement selectively opens and closes air flow through the first and second air inlets into the common intake plenum. This permits creation of overpressure, underpressure, or an intermediate pressure in the conditioned space. All air supplied to the room and all air exhausted from the room is cleaned and sanitized. The unit is self-contained and portable.

Abstract: A semiconductor manufacturing process facility requiring use therein of air exhaust for its operation, such facility including clean room and gray room components, with the clean room having at least one semiconductor manufacturing tool therein, and wherein air exhaust is flowed through a region of the clean room. The facility includes an air exhaust treatment apparatus arranged to (i) receive air exhaust after flow thereof through said region of said clean room, (ii) produce a treated air exhaust, and (iii) recirculate the treated air exhaust to an ambient air environment in the facility, e.g., to the gray room of the facility.

Abstract: A system to significantly improve the air quality in a personal breathing environment. The system includes a blower unit that produces a conditioned air flow, a delivery system that delivers air provided by the blower unit to a person's breathing zone, and a conduit that interconnects the blower unit and the delivery system for directing conditioned air from the blower unit to the delivery system. The delivery system is positioned so that it sends conditioned air around an individual's head and into the individual's personal breathing zone, thereby creating a zone of conditioned air around the individual's head.

Abstract: Apparatus which may be used year-round for dehumidifying air in the enclosed space of a building to comfortably allow a higher temperature during summer conditions, for exchanging air in the enclosed space year-round with fresh air to provide a more healthful environment within the building and for selectively humidifying the air when desired at certain times of the year. The apparatus includes a fan mounted on or otherwise adjacent the basement floor or other bottom floor and a conduit connecting the fan outlet to an opening in an outside wall for removing stale relatively damp air from the bottom floor level and discharging it out of the building. A humidifier is provided in flow communication with the fan and connected through another conduit to the enclosed space. A valve connected to both conduits provides selective humidifying of the air in the enclosed space.

Abstract: A heating assembly for a house or other building includes a furnace module, an evaporator coil module and an adaptor module disposed between the furnace module and the evaporator coil module. Tension straps are employed to connect the modules and maintain the adaptor module in compression between the furnace module and the evaporator coil module.

Abstract: An environmental control unit, and air handling systems using it, that combines, as a unitary packaged unit, equipment and associated functionality for air handling and affording protection to occupants and/or equipment in an enclosure against airborne release of chemical, biological, or radiological (CBR) agents.

Abstract: In an air conditioner having a vertical wind deflector in an air outlet, in order to blow almost all of a warm air flow toward a floor surface without leakage on the ceiling surface side at the heating operation time, a recess connecting with an air passage in a housing is formed at the front part of the air outlet, and a vertical wind deflector is disposed in the recess via a support frame. At the cooling operation time, the support frame and the vertical wind deflector are opened integrally, and at the heating operation time, only the vertical wind deflector is opened in a state in which the support frame is stored in the recess.

Abstract: An installation for processing wafers that includes fabrication units, which are located in a clean room, and includes a supply system for supplying and discharging operating substances for the fabrication units. The supply system has first supply lines and first discharge lines, in which operating substances that are heavier than the surrounding atmosphere are downwardly guided. The supply system has second supply lines and second discharge lines, in which the lighter operating substances are upwardly guided.

Abstract: The present invention generally relates to mail processing and environment control. Systems for controlling a mail-processing environment to protect against contaminants may comprise a first air vent for supplying air to the mail-processing environment, a second air vent for exhausting air from the mail-processing environment, an air exchanger coupled to the first air vent and the second air vent for exchanging air in the environment, a first damper for substantially blocking air supplied to the environment through the first air vent, a second damper for substantially blocking air exhausted from the environment through the second air vent, and a control circuit for controlling the first damper and the second damper in response to a possible presence of contaminants in the mail-processing environment.

Abstract: A demand ventilation module for use with HVAC/R systems for ventilating inside space of a structure through an air pressure differential between return air and outside air. The demand ventilation module includes an integrated damper and an electronic control device capable of marking, setting, and/or storing air condition setpoints for ventilation activation. The electronic control device is configured to automatically control the activation of an actuator in conjunction with an inside sensor that measures air conditions in direct proportion to actual real-time air condition demands. A method for installing a demand ventilation module on return portions of HVAC/R systems may include: evaluating the return portion of an HVAC/R system to ascertain return air negative static pressure; and determining where to install the demand ventilation module on the return portion based upon a location corresponding with a range of return air negative static pressure.

Abstract: An air handling system for a building having a ceiling and enclosed space, the system including four interconnected induction units for mounting adjacent the ceiling. These units form four sides of a rectangular assembly. Each induction unit includes an air plenum section and an air mixing section connected to a side of the air plenum section and forming an elongate air mixing chamber that extends downwardly to an air outlet. Supporting members mount the induction unit assembly at the ceiling so that each air mixing section when viewed in transverse, vertical cross-section extends at a substantial angle, which in a preferred embodiment is about 90 degrees, to the ceiling during use of the apparatus. Return air is drawn by venturi effect created by a fast flow of primary air into each air mixing chamber and heated or cooled at the heat exchanging coils. The units can provide a mixed air flow that flows downwardly from the outlets.

Abstract: A preassembled flow control unit includes a plenum, a flow controller mounted to the plenum, and a flow control sensor mounted to the plenum. An isolation valve selectively blocks the flow of air between the plenum and the flow controller. An optional thermal coil is also mounted to the plenum to control the temperature of air flowing therethrough. In a particular embodiment, the thermal coil is mounted to an open end of the plenum opposite the flow controller, and the fluid lines serving the thermal coil are also mounted to the plenum, with an automatic valve in at least one of the fluid lines. An optional protective bracket protects the automatic valve from incidental damage during transportation an installation of the flow control unit. An electrical disconnect and a power converter are also mounted on the plenum.

Abstract: The present invention provides an air handling system that receives air from a primary air source and distributes that air in a room defining an enclosed space. The system is mounted in the ceiling of the room and generally comprises first, second, third, and fourth inductor units interconnected downstream to the primary air supply and which define first, second, third, and fourth areas, respectively, wherein the induced air flows through each of the inductor units, through a series of converging nozzles, and into each units first, second, third, and fourth areas, respectively, and an air diffusing mechanism positioned adjacent to the first, second, third, and fourth areas which directs the induced air in first, second, third, and fourth directions, respectively. The inductors are generally arranged in a square configuration with the diffuser extending in the square space bound thereby.

Abstract: An air intake and blowing device, comprising a blowing fan (11) such as a turbo fan capable of blowing air in all directions which is installed inside a main casing (2) provided with an air intake port (5) and an air blowing port (9) enclosing the air intake port (5), the air blowing port (9) being provided with a vortex flow creating member which creates a spiral blowing vortex air flow to form a spirally swirl-blowing air flow, and air surrounded by the blowing air flow being formed in a stable tornado flow and sucked strongly into the air intake port (5).

Abstract: An air-conditioning device especially for ceiling placement with low build-in height and comprising at least one preferably vertically oriented heat exchanger, with substantially horizontal percolation of the room air and at least one ventilation channel for fresh air provided substantially parallel to and within a small distance from the heat exchanger, at its outlet side, a downwards open air chamber provided between the ventilation channel and the heat exchanger, and air nozzles provided in the channel side wall of the ventilation channel facing the air chamber, which are directed towards the outlet of the air chamber. The ventilation channel is provided with a preferably convex channel wall which diametrically extends substantially from the upper corner of the ventilation channel to the lower corner of the ventilation channel. The heat exchanger and the ventilation channel are arranged with a downwards, diverging open air space.

Abstract: A demand ventilation module is provided for use with HVAC systems in order to ventilate inside space of a structure through an air pressure differential between return air and outside air. The demand ventilation module includes an integrated damper. The demand ventilation module can further include and an air restrictor plate that defines an air-restricting opening and an electronic control device capable of marking, setting, and/or storing air condition set-points for ventilation activation, and configured to facilitate ventilation control, economizer operation, and HVAC unit operation. The electronic control device is electrically connected to and controls the activation of an actuator in conjunction with inside and outside sensors that measure air conditions. The electronic control device can cause the actuator to automatically shift the damper in direct proportion to actual real-time air condition demands.

Abstract: An object of this invention is to avoid squeaks caused. There is provided a ceiling embedded-type air conditioner in which a decorative panel (20) having an air suction port (21) and air blow-off ports (22) is detachably mounted onto the air conditioner main body (10), in which three sides of a pedestal portion made of sealing material (27) for sealing the outer circumference of the rectangular air blow-off port (22) are configured by reinforcing ribs (28a, 28b) obtained by integrally molding with the decorative panel, and only one side of the pedestal portion is configured by an air guide member (29) made of a foaming resin molded part.

Abstract: An air comfort control device is disclosed which has a furnace with a furnace fan, an air conditioner with an air conditioner fan positioned remote from the furnace fan, and a temperature controller responsive to temperature changes in air in a partially enclosed environment, wherein the temperature controller sends a fan output signal to both the furnace fan and the air conditioner fan to run together to circulate air through the partially enclosed environment. The thermostat controller may also provide for multiple operation settings, including both automatic and manual options. The air comfort control device may also have a motor controller capable of sending more than one voltage to a blower motor to set a furnace fan at more than one speed. The motor controller can be produced separate from an ignition controller where the ignition controller determines whether a gas valve is open or closed and the motor controller sets the gas valve to a high position or a low position.

Abstract: An object of this invention is to avoid squeaks caused. There is provided a ceiling embedded-type air conditioner in which a decorative panel (20) having an air suction port (21) and air blow-off ports (22) is detachably mounted onto the air conditioner main body (10), in which three sides of a pedestal portion made of sealing material (27) for sealing the outer circumference of the rectangular air blow-off port (22) are configured by reinforcing ribs (28a, 28b) obtained by integrally molding with the decorative panel, and only one side of the pedestal portion is configured by an air guide member (29) made of a foaming resin molded part.

Abstract: An insulation assembly for a forced gas unit comprises a facing layer and a porous insulation layer joined together by an adhesive. The facing layer includes pressure-balancing and non-pressure-balancing regions. Perforations are formed in the facing layer after the facing layer and the insulation layer are joined together and after the adhesive is cured. The perforations allow gas to flow through the facing layer so as to adequately balance the static pressures acting on the exposed and non-exposed surfaces of the facing layer.

Abstract: A wall curb 10 for attachment to the exterior wall 32 of a building to removably secure a wall mounted HVAC unit 38 to the exterior surface 44 of the wall 32. The wall curb 10 serves to attach the supply air duct 34 from within the building to the supply air opening of HVAC unit 38 and to attach the return air duct 36 from within the building to a return air opening of the HVAC 38. An alternate embodiment of the invention 10A includes an outside air opening 60 with a controllable damper 62 for regulating the ratio of outside air verses return air from the building that enters the HVAC unit 38.

Abstract: An air conditioning unit includes a control that operates in an automatic air filtration mode of operation when commanded to do so. The control, when in this mode of operation, automatically activates an air filtration system within the unit in response to the sensing of contaminants in the air surrounding the unit. The automatic activation of the air filtration system occurs in response to an unfavorable comparison of a sensed value of air quality with an allowable limit for air quality. The allowable limit for air quality may be computed as a function of time so as to reduce the air quality required during times in which the space being heated or cooled is unoccupied.

Abstract: An air conditioning unit includes a control that operates in an automatic air filtration mode of operation when commanded to do so. The control, when in this mode of operation, automatically activates an air filtration system within the unit in response to the sensing of contaminants in the air surrounding the unit. The automatic activation of the air filtration system occurs in response to an unfavorable comparison of a sensed value of air quality with an allowable limit for air quality. The allowable limit for air quality may be computed as a function of time so as to reduce the air quality required during times in which the space being heated or cooled is unoccupied.

Abstract: A showcase for the sales presentation of fresh merchandise, preferably fresh bread and/or cakes and pastries, includes a substantially box-like chamber for receiving the merchandise. The chamber is accessible from the outside via closing elements actuated via doors, hinged flap-type doors or the like. The showcase includes at least one air inlet for at least one externally generated cooled current of circulating air, and at least one air outlet for discharging the circulating air from the chamber receiving the merchandise. At least one lamp generating light in the merchandise-receiving chamber is also included. Each lamp has a closed housing with at least partly transparent housing walls. A predetermined area of the housing walls of at least one of the lamps has a breakthrough that is open toward the merchandise-receiving chamber. The interior of each housing having the breakthrough participates at least partly in the formation of the air outlet system.

Abstract: An air conditioner including a centrifugal blower disposed in a central portion within a casing of an air conditioner main body, a heat exchanger disposed around the centrifugal blower, a heat insulation material for forming blow-off air course disposed between the heat exchanger and an inner wall surface of the casing on the inner wall surface, a panel mounted to a lower end portion of the casing, a suction port formed in a central portion of the panel, and a plurality of blow-off ports formed in side edge portions of the panel. The blow-off air course has a narrow portion configured to enhance a uniformity of a velocity distribution of and air flow in the blow-off air course, the guide comprises an acoustic material, and an air layer is provided between the casing and guide.

Abstract: A combination attic hatch and return filter grill including a base member having an open upper end, an open lower end, and a surrounding side wall therebetween. A cover member is coupled with respect to the base member. The cover member has a closed upper end, an open lower end, and a surrounding side wall therebetween. The open lower end is hingedly coupled with the open upper end of the base member. The closed upper end has an annular collar secured thereto and extending upwardly therefrom. The annular collar has an open upper end for coupling with the return.

Abstract: A plug or plenum fan is located near two walls of the plenum such that they tend to act as the scroll for the fan. Additionally, a partition separates the fan from an adjacent corner further enhancing the formation of a scroll while providing a flow passage and a location for at least a part of the active noise control structure.

Abstract: A kind of economical household ventilator consists of the housing and blower. On the housing, there are air inlets and exits. There are several air exits with different directions distributed all over the housing. The air inlets are located on the top or/and bottom of the housing respectively. There are air brattices arranged in air exits which can be used for adjusting the air directions or the air exits can be fixed with air brattices for adjusting the air directions. Inside the machine or each air exit, an electrical heating part can be arranged allowing air flowing through so that it can supply warm air or conduct ventilation for general purpose depending on the requirements.

Abstract: Air-conditioning device includes a holder which is to be arranged against the wall of the room and is provided with a top wall, front wall, side walls, base and rear wall. An opening for the supply of fresh air form the environment is arranged in the rear wall. An air-inlet opening for the air from the room is arranged in the base, while an air-outlet opening is arranged on the top side. The supply of fresh air and inlet opening emerge in a first chamber in which a fan is arranged. A HEPA filter is connected to this chamber. A control device is provided in order to control the ratio between the fresh air flowing in and the air from the room in question.

Abstract: In an air conditioning apparatus, it includes a clean room, an air cleaning section, a cooling section and an air mixing section. The air cleaning section cleans air to supply to the clean room as cleaned air. The cooling section includes a plurality of cooling units and a plurality of non-cooling units. A plurality of cooling units cool air from the clean room to send out as cooled air. A plurality of non-cooling units sends out as non-cooled air from the clean room without cooling air. Each of the quantity of the cooled air and the non-cooled air is determined to compensate an amount of heat generated in the air conditioning apparatus and to reduce a pressure loss given to the air passing through the cooling section to a substantial minimum. The air mixing section mixes the cooled air and the non-cooled air to supply to the air cleaning section. The cleaned air is circulated through the clean room, the cooling section and the air mixing section to the air cleaning section.

Abstract: The constitution comprises a grille for sucking air, a heat exchanger for exchanging heat with the air, a blower for feeding the air exchanged of heat by the heat exchanger, and an air diffuser for blowing out the wind generated by the blower. The air diffuser has such a shape that the direction of the wind blown out from both ends in a horizontal direction may be the lower direction than the direction of the wind blown out from the center in the horizontal direction. The air diffuser has such a shape that the outer circumference of the section in the horizontal direction has a nearly arc shape. It can be installed at a corner of mutually adjacent walls of a room or on a wall. In this constitution, the heat exchanged wind reaches uniformly all parts of the room, and the comfort is notably enhanced. At the same time, generation of unusual sound is suppressed.

Abstract: A fan convector for heating air enclosed environments, comprising a fan, an intake opening with an air filter, a heat-exchanger for heating the air, and an air outlet; the fan is driven by a first electric motor which is controlled by a thermostat for switching it on/off, the fan convector also comprising a set of elements for deflecting the air flow through the air outlet, the elements being orientable on an axle moved angularly by a second electric motor to a plurality of positions between a closed position and a fully-open position, and the second electric motor being controlled by the thermostat.

Abstract: An air conditioner includes an air inlet and an air outlet, an electric dust collector for removing dust from the air, a refrigerant-conducting heat exchanger for changing a temperature of the air, a fan for circulating air through the air conditioner, and an electrical heater which is energized when the fan and the electrical dust collector are energized, for heating the cleaned air. The electric dust collector communicates with only a lower portion of the air inlet. A closure mechanism for opening and closing the air inlet is operable to open only the lower portion of the inlet to insure that all of the air entering the air conditioner passes through the electrical dust collector during an air cleaning operation.

Abstract: In a ceiling-mounted-in type of air conditioner, the assembling operability is improved with the number of parts of a wind directing plate driving portion being reduced. A motor and a cam gear can be previously assembled and attached in a motor cover in order to reduce the thickness of a front panel, thereby allowing easy placement of a wind directing plate driving device on a front panel 3 only by mounting the motor cover on the front panel.

Abstract: An air conditioner includes an air inlet, an air outlet, a heat exchanger disposed between the air inlet and air outlet, and an air direction control mechanism at the air outlet for regulating a direction of air discharge. The regulating mechanism includes a support member having slots, and a plurality of vanes each having a projection configured correspondingly to the slots so that once the projections have been inserted through the respective slots and then rotated, the vanes are secured to the support member. Each projection includes a hinge axle about which the vane rotates, and a pair of compression protruders projecting from opposite sides of the hinge axle. The protruders bear elastically against one surface of the support member to pull a flange portion of the vane into engagement with another surface of the support member. One of the protruders of each vane carries a fixation axle which snaps into a respective open-sided hole of a connecting member.

Abstract: An air conditioner includes a manual control panel for enabling a user to select from among a number of operating modes, including respective areas of a room to receive discharged air from the air conditioner. In accordance with the selected mode, there occurs an automatic adjustment of the orientation of air-directing vanes and the speed of an air discharge fan. The vanes can be adjusted to stationary positions, or can be oscillated.