Abstract: A wind direction alteration device for use in an integral type air conditioning apparatus in which the diameter of a connecting shaft of a blade extending through an opening formed in a connecting rod is greater than that of the shaft above and below the opening. The opening of the connecting rod is elongated and constricted in the center thereof. Three or more projections are extending into the opening through which the connecting shaft penetrates. A portion, holding the connecting rod, formed on a shaft of a wind direction alteration motor is disposed beyond a vertical movable range of the connecting rod. A portion, of the connecting rod, which is in contact with the portion of the shaft holding the connecting rod is inclined. A rib is formed on the inner surface of the elongated opening, of the connecting rod, through which the shaft of the wind direction alteration motor penetrates such that the rib is parallel with the direction in which the elongated opening is formed.

Abstract: A room air conditioner is provided with a ventilation system for exhausting room air to the outdoors through the air conditioner or alternatively for admitting fresh air from outdoors in through the air conditioner. The actuator is a rotary knob which has a pair of cables attached to it such that rotary motion of the knob in the first direction will cause one of the cables to pull on one of the doors to open it, while rotary motion of the knob in the other direction will cause the other of the cables to pull on the other door to open it. The doors are spring biased to return to the closed position and the knob has a detent device to hold it in a selected open or closed position.

Abstract: An integral type air conditioning apparatus in which a ventilation operation lever and a ventilation door are integrated with each other.

Abstract: Apparatus is provided for mounting a thermostat capillary in close proximity to the inside face of the indoor heat exchanger of a room air conditioner. The air conditioner includes a thermostat mounted in operational proximity to the heat exchanger which has a capillary extending therefrom. The indoor heat exchanger includes a flat surface adapted to receive a flow of air therethrough and having a pair of tube sheets at opposite ends thereof. One of the tube sheets is adjacent the capillary. Both of the tube sheets extend forwardly from the flat surface of the indoor heat exchanger a distance at least as far as the thickness of the capillary. The tube sheet adjacent to the capillary has a recess formed therein to receive the capillary.

Abstract: A room air conditioner of the type having an indoor section and outdoor section which are supported by a basepan and separated by a partition. The indoor section includes an indoor fan and an evaporator. The cold evaporator condenses moisture from the air to be cooled. Means are provided to collect the condensate and to conduct it along a path from the indoor section, through an opening in the partition, at basepan level, to the outdoor section. The opening in the partition has a given height from the basepan which is sufficient to allow condensate flow, and a given width. A hood is provided adjacent to the opening on the outdoor side of the partition wall which extends from the top of the opening downwardly a distance less than the given height of the opening. The hood completely encloses the given width to thereby define a lower edge under which water or air must pass to pass through the condensate opening.

Abstract: An electrical grounding system for an air conditioner which has substantially all components, except electrical and refrigeration circuit components, made from an electrically insulating material. The air conditioners indoor section includes a metal indoor heat exchanger and an indoor fan motor. The outdoor section includes a metal heat exchanger, an outdoor fan and a compressor. The indoor heat exchanger, outdoor heat exchanger and compressor are connected by electrically conducted tubing. A plastic electrical control box is mounted in the indoor section. The electrical control box has an electrically conductive grounding plate mounted in the interior thereof. Means are provided for interconnecting the ground lead from the units power service cord to the grounding plate. All electrical controls and other components in the indoor section are grounded directly to the grounding plate. An outdoor section grounding lead electrically interconnects the grounding plate with the outdoor heat exchanger.

Abstract: Synthetic sponge or other resilient material is joined to the top of a room air-conditioner to absorb the physical impact of rain and dripping water to inhibit the creation of the noise that would otherwise occur. Additionally, a buffer formed with angular surfaces, to absorb and deflect the full impact of rain and dripping water to inhibit the creation of noise that would otherwise occur.

Abstract: In an air conditioner having an air filter comprising a frame body and a mesh which are integrally formed, a specific portion 140 of the frame body 132 is wider than the other portions of the frame body, and a support post 130 which is engageable with a latch slot 131 on the main body is disposed at the widened portion, so that even when the joint between the frame body and the mesh is formed away from the support post, the mechanical strength of the post can be maintained. In addition, the width of the joint at the widened portion is substantially equal to that of the other portions of the joint, so that the mesh is uniformly fixed to the frame body.

Abstract: An integral type air conditioner intended to suppress the reduction in air conditioning ability to the utmost, even in introducing open air, includes a partitioning plate for partitioning the interior of the main body into an indoor side chamber and the outdoor side chamber. There is provided a suction port for introducing an air in the outdoor side chamber into the indoor side chamber, and a damper positioned in the outdoor side chamber for opening/closing the suction port. In the indoor side chamber, there are provided a cross-flow fan and a rear casing of the cross-flow fan. Further, on the windward side portion of the rear casing, there is provided auxiliary suction ports that communited with the suction port.

Abstract: A room air conditioning unit may be mounted in a window opening using a device, on each side of the unit in the opening, having a straightforward two-piece construction. The first piece is a molded C-shaped frame which straddles the unit from above and below in the opening. A side member of the frame is abutted against the side of the window opening. A lower portion of the frame rests upon the bottom of the window opening, while the window sash is lowered down onto an upper portion of the frame to participate in securing the unit within the opening. The other piece of the device is a panel having a Z-fold central portion. One side of the panel may be attached, for example by screws, to the case or housing of the room air conditioning unit. The other side of the panel self-locks within the side member of the frame, using a locking mechanism provided therewithin, to close the space on either side of the room air conditioning unit within the window opening with the Z-fold central portion of the panel.

Abstract: A structural cooling system is disclosed, which includes an evaporative cooler suitable for cooling a body of air in an upper, enclosed chamber of a structure, such as an attic, and a series of vents or ducts, particularly around the perimeter of the building, for applying the cooled air selectively to high heat-gain portions of the exterior of the structure. An interior cooling system, which may include an air-conditioning unit, is suitable for cooling the interior of the building, but will require only reduced capacity, because of the cooling effect on the structure's exterior.

Abstract: The inwardly-extending, peripheral frame of an air conditioner, exposed after the removal of the filter-enclosing cover thereof, grippingly receives U-shaped clamps thereon. The clamps have extending ledges to which are fixed upstanding studs. A cover, having a center recess, has outwardly extending flanges in which are formed slots. The studs are aligned with the slots and the cover is set thereover and wing nuts are tightened onto the studs to clamp the cover in place. The cover recess has a pad of resiliently compressible material fixed therein to prevent air drafts from passing through the air conditioner into the room into which the frame extends, and to dampen outside traffic noise, and other unwanted sounds.

Abstract: A low profile room air conditioner. The low profile is achieved in part by the arrangement of components in its outside section. The fan that moves air through the outside section is of the axial flow type mounted so that its axis of rotation is substantially perpendicular to the base of the enclosure and so that the fan draws air into the outside section through the top of the enclosure. Air discharges from the outside section through an air discharge on a side of the enclosure. Louvers at the air discharge direct the air exiting the enclosure away from the air inlet. A slinger directs droplets of condensate drained from the inside refrigerant-to-air heat exchanger into the air flowing through the outside section. The air carries the condensate on to the outside refrigerant-to-air heat exchanger where it evaporates. The air flow carries the resultant water vapor out of the outside section.

Abstract: The present invention is an air conditioner with tangential blowers having a removable air handling module. The air conditioner housing includes indoor and outdoor heat exchangers between which the air handling module is disposed. The module is easily inserted or removed from the air conditioner housing because the module is self contained and the air conditioner housing has ample access space. The module includes two tangential blowers disposed between opposite sidewalls which are arranged to draw air through the indoor and outdoor heat exchangers. On one sidewall, a motor is mounted which is drivingly connected to the tangential blowers. The other sidewall includes an opening covered by a removable panel which provides access to the blowers in the interior of the module.

Abstract: Leveling arms for a low profile room air conditioner which are pivotally mounted to a side of an air conditioner housing at an inner end and have an arcuate slotted opening adjacent an outer end. A threaded fastener or clamping bolt is threaded into the air conditioner housing and extends through the arcuate opening. The threaded fastener is loosened to allow the position of the associated arm to be adjusted. The arms have an inner surface providing a series of radial teeth which mesh with like teeth on the outer surface of the housing when the threaded fastener is tightened, thereby retaining the arms in the desired position.

Abstract: A window type portable air conditioner has a partition plate and orifice plate designed to assemble by snapping together, eliminating the need for other parts or fasteners, while ensuring accurate orifice location. The orifice plate has integrally formed lower support arm and upper support posts. The partition plate has tongue and tab structure formed thereon to engage and interlock with receiving structure formed at the distal ends of the support arm and posts.

Abstract: A unitary molded grill cover is provided for the indoor side of a window type air conditioner. The grille cover is installed without tools or fasteners. A transverse flange on the grille cover top wall is positioned into a groove or slot on the discharge deck, and the grille cover is snapped into place with the bottom wall thereof extending beneath the base pan of the unit. Bosses on the base pan project into corresponding holes in the grille cover bottom wall to retain the grille cover in place. The evaporator fan aperture plate and the discharge deck are also installed without tools or additional fasteners.

Abstract: The present invention discloses an integral air-conditioner of which an indoor portion and an outdoor portion are connected elastically, the air-conditioner includes an indoor portion (1), an outdoor portion (3), and a means for elastically connecting the indoor portion and outdoor portion integrally. The integral air-conditioner according to the present invention retains all the advantages exhibited by the window air-conditioner and the divided air-conditioner in the prior art, meanwhile overcomes their drawbacks. The integral air-conditioner according to the present invention can be easily mounted and maintained, and has a lower noise intensity which is only 1/2 of that of the window air-conditioner in the prior art. The air-conditioner according to the present invention is an ideal air-conditioning apparatus.

Abstract: An air conditioner having a partition for partitioning the inside thereof into indoor and outdoor sections with an intake port. A damper is provided at the intake port so that an outdoor air introduction path of the outdoor section and an outdoor air discharge path are cut off when introducing outdoor air by opening the damper. Air the outdoor air introduction path is guided into the indoor section.

Abstract: The present invention involves an air conditioner including an air handling housing having a sidewall and defining first and second compartments. First and second tangential blowers are disposed in the first and second compartments, respectively. Each of the tangential blowers defines an axis with a coaxially disposed shaft end mounted in the sidewall. A motor drives the first and second tangential blowers. A belt and two pulleys rotatably connect the first and second tangential blowers. The belt engages the pulleys, and each pulley is mounted on a respective one of the shaft ends by a tolerance ring. A bearing assembly for rotatably supporting the shaft ends includes a support plate spaced from the sidewall. The bearing assembly further includes an outer race and an inner race. The outer race is connected to the support plate and the inner race is connected to the shaft end.

Abstract: A moisture disposing device for use in a self-contained air conditioner, wherein the device includes a casing including a base plate on which components are mounted, a heat exchanger, a propeller fan located in opposition to the heat exchanger, an air guider connected to the heat exchanger, the air guider and the propeller fan constituting an air passageway, a slinger ring fitted to the propeller fan, the air guider having an orifice whose shape is vertically oblong, and having a larger radius of the major axis at each oblong end than half of the diameter of the slinger ring.

Abstract: A room air conditioner for mounting in a window opening having a vertically sliding lower sash. The enclosure for the unit has front and rear portions separated by the vertical plane of the window opening, the compressor and condenser heat exchanger being mounted in the rear portion, and the evaporator heat exchanger being mounted in the front portion. A motor that is connected to an axial flow fan at one end and a coaxial centrifugal blower wheel at the other end is also located in the rear portion. The axial flow fan is operatively associated with the condenser heat exchanger and the centrifugal blower wheel is operatively associated with the evaporator heat exchanger. The forward enclosure portion and the evaporator heat exchanger extend above the bottom of the bottom rail of the lower sash, and the rear housing portion and the condenser heat exchanger extend above the bottom rail of the lower sash and substantially below the level of the window sill.

Abstract: An apparatus for controlling air-exchange and pressure conditions in an air-conditioned room by opening and closing ducts and operating fans. The apparatus provides required indoor air pressure, such as a positive pressure for preventing dust from entering a room, or a cyclically modulated pressure in specific modes for achieving special atmospheric effects, such as to improve the spirits of occupants or to expel insects. The rate of change of the indoor pressure relative to the outdoor pressure can be measured in order to detect the degree of airtightness of the room. A warning signal is triggered when an abnormal condition of airtightness occurs, so that users may take steps to minimize unnecessary air-exchange, reduce energy consumption, and increase efficiency for air filtering and air conditioning.

Abstract: A room air conditioner which is easily assembled by virtue of a base pan having a plurality of vertically oriented fasteners secured thereto for retaining various components of the air conditioner including the compressor, condenser assembly, evaporator assembly and a barrier wall. A novel motor mount is provided which is also secured to a plurality of the vertically oriented fasteners of the base pan. A separate control box assembly is secured to the evaporator assembly via vertically oriented fasteners and is kept clear of any air flow path through the air conditioner.

Abstract: In the present invention, for facilitating inspecting of a centrifugal type fan set in an air conditioner, a fan scroll is provided having a nose portion and a scroll portion of the fan scroll which are integrally molded, and the back of the fan scroll is mounted on a partitioning plate in the air conditioner. The scroll has a vent opening in its front portion and a discharge opening in its top portion, the two openings merging and being continuous and being large enough to permit removal of the fan therethrough.

Abstract: The present invention relates to a window-type air conditioner comprising a body provided with a first portion and a second portion, the portions being partitioned by a intermediate plate. The first portion includes an inlet portion for intaking air from an indoor room and an outlet portion for discharging heat exchanged (conditioned) air into the indoor room. The inlet and outlet portions are relatively thin and are mounted at a window of the room extending forward to communicate with the room and isolate the second portion from the window. The second portion includes an operating portion which is mounted at an outside wall of the room. This invention allows for greater visibility through the window in which the air conditioner is mounted, and greatly reduces the operational noise from entering the indoor room.

Abstract: A structure is provided in which fundamental component parts including a base plate and an outer casing are integrally formed of resin moldings 2 and 3 on the indoor side and the outdoor side, and a bulk head 4 formed of a sheet metal is provided as a partition between the indoor side and the outdoor side, so that the number of fundamental parts is small and that an improvement in quality can be achieved.

Abstract: A self-contained air conditioner which has a body including an outer casing having a louver area, the outer casing and the louver area being molded from resin in one piece, the louver area being made of a plurality of wedge-shaped slats each having a thick base portion.

Abstract: A saddle type room air conditioning unit is disclosed wherein evaporator and condenser housings are supported in a fixed relationship by a connecting portion affording support for the housings and controlled air flow communication between the housings. Sealing devices are releasably latched to the connecting portion and cooperate therewith to completely seal the unit vertically relative to a window sill and sash and horizontally between vertical sides of a window frame. A latching device is also disclosed for adjustably releasably latching upper and lower window sashes relative to one another, as required to prevent unauthorized removal of the unit from a window opening.

Abstract: The present invention is an air conditioner with tangential blowers having a removable air handling module. The air conditioner housing includes indoor and outdoor heat exchangers between which the air handling module is disposed. The module is easily inserted or removed from the air conditioner housing because the module is self contained and the air conditioner housing has ample access space. The module includes two tangential blowers disposed between opposite sidewalls which are arranged to draw air through the indoor and outdoor heat exchangers. On one sidewall, a motor is mounted which is drivingly connected to the tangential blowers. The other sidewall includes an opening covered by a removable panel which provides access to the blowers in the interior of the module.

Abstract: An improved interior cover is provided for an air conditioner having a cabinet and front grille, the cabinet is mounted in an aperture in a wall of a building. The improved interior cover consists of an enclosure member sized to fit over the front grille and front portion of the cabinet of the air conditioner. A mechanism is for removably securing the enclosure member to the front grille/front portion of the cabinet of the air conditioner, while another mechanism is for thermally sealing the enclosure member to a front surface of the wall of the building about the aperture so as to prevent cold air and wind infiltration to enter the building through the aperture.

Abstract: A self-contained air conditioner which includes a moisture-collecting pan formed of a part of the base plate on which a compressor, an inner heat exchanger and an outer heat exchanger are mounted and an air filter disposed between an inner grill and the inner heat exchanger, wherein the bottom of the air filter is set to be placed on the pan, thus preventing moisture formed on the air filter from dropping through the inner grill onto the floor of the room.

Abstract: A portable air conditioning apparatus includes a refrigerating circuit comprising a variable capacity compressor and a condenser cooled by water fed from a water tank and a flow of air generated by a fan device, an inverter for outputing a variable driving frequency to the compressor, and a control section for controlling the frequency of the inverter in response to an air conditioning load in a defined space. The control section has a frequency control function by which the driving frequency of the inverter is forcibly decreased irrespective of the air conditioning load to reduce the consumption of water at the condenser when an amount of water is detected to be below a prescribed value in the water tank.

Abstract: The present invention is an air conditioning unit with indoor and outdoor heat exchanger coils and a pair of dual tangential flow blowers. The blowers are driven by a single motor. The motor directly drives the first blower which is rotatably connected to the second blower. The rotational driving connection of the blowers is located on the opposite side of the motor and compressor.

Abstract: A room air conditioner in which a blower housing is formed of a foamed insulation material. The foamed insulation material is formed in three separate pieces with each of the pieces fitting together to form a single structural unit forming the blower housing and wall portions of two separate air conduits. The pieces are configured and apertured to fit snugly together and to provide various passages for diverse components of the air conditioner.

Abstract: A room air conditioner which is easily assembled by virtue of a base pan having a plurality of vertically oriented fasteners secured thereto for retaining various components of the air conditioner including the compressor, condenser assembly, evaporator assembly and a barrier wall. A novel motor mount is provided which is also secured to a plurality of the vertically oriented fasteners of the base pan. A separate control box assembly is secured to the evaporator assembly via vertically oriented fasteners and is kept clear of any air flow path through the air conditioner.

Abstract: A room air conditioner in which separate lateral air outlets are provided for returning chilled air to the room. A blower wheel is used to draw air into the air conditioner through the evaporator and a housing for the blower wheel has two volute openings that lead to separate connecting passages to the outlet openings. An easily removable filter is provided at the front panel of the air conditioner which does not require removal of the front panel for its removal. Also a highly effective exhaust air door is provided in at least one of the connecting passages for use in exhausting air from the room.

Abstract: A room air conditioner in which separate lateral air outlets are provided for returning chilled air to the room. An air outlet device having horizontal and vertical louvers is provided at the air outlets and both sets of louvers can be pivoted such that the user can independently select a direction for the exiting air streams from a wide range of vertical and horizontal angles. The air outlet devices are preferably modular units which are attached to the air conditioner by means of releasable vertically oriented pivots.

Abstract: The present invention is an air conditioner with tangential blowers having an arrangement for cooling the blower's driving motor. The motor is attached exteriorly from the air moving chamber and the sidewall through which the motor is attached to the blower includes an axially located aperture. Blade extensions of the blower near the aperture induce an air flow through the aperture, and the induced air flow passes through the motor to carry away undesired heat. A seal can be formed between the motor and sidewall so that the induced air flow must pass through the motor.

Abstract: In an air conditioner with ventilating means having a port provided at a partition wall dividing a bulkhead of the air conditioner into the inside and outside sections, and a blower for recirculating the indoor air. The ventilating means according to the invention comprise throttle means provided at the port to selectively opening the port by halves and close the port entirely; air introducing means provided at the throttle means for directing the recirculated indoor air stream to flow against thereby causing the outdoor air to be introduced from the port; and adjusting means connected to the throttle means to selectively position the throttle means between the open and close positions.

Abstract: The present invention is an air conditioning unit with indoor and outdoor heat exchanger coils and a pair of dual tangential flow blowers. Air flow is induced through the coils at a uniform rate and exhausted through an outlet. A single scroll dividing wall divides the housing of the air conditioner into indoor and outdoor compartments. The air-conditioning unit has a relatively small depth because the blowers are positioned in vertical alignment. The air intake arrangement on the indoor side is an intended, recessed portion of the cabinet. A removable louvered cover is positioned in an aperture located in the indented, recessed portion for allowing access to the filter.

Abstract: An adaptor system for installing a window air conditioning (AC) unit mounted in a window case with a fixed window pane and a horizontally sliding window pane.

Abstract: An L-shaped one-package type air conditioner comprising an air circuit unit which extends horizontally to be positioned indoors, and an outdoor unit which extends downwardly from the rear end portion of the air circuit unit is provided with an elongate member protruding downwardly from the lower surface of the air circuit unit, and with two projections. A bracket for installing the air conditioner is also disclosed. The bracket comprises: a fixing portion which engages with a window frame; an upper guiding portion extending horizontally; and a lower guiding portion extending vertically. The projections are guided by the upper and lower guiding portions.

Abstract: A room air conditioning system is provided which includes an individual air conditioning unit adapted to regulate the temperature within a predetermined volume of space. A programmable thermostat is integral with the air conditioning unit. The programmable thermostat includes a remote temperature sensor for sensing the ambient temperature of the predetermined volume of space at a location remote from the programmable thermostat and a timer for generating the current time of day. The thermostat further includes a memory for storing a plurality of program times and a plurality of control temperatures corresponding to the program times.

Abstract: The indoor blower scroll structure includes integrally formed vent and exhaust port walls with associated doors attached thereto. A single actuator mechanism is also attached to the scroll structure and is mechanically linked to both doors to thereby provide a single and reliable actuation assembly, all of which is mounted on the scroll structure. In a preferred embodiment, the actuator comprises a single, lever actuated cam which directly engages levers on both the vent and exhaust doors.

Abstract: A package terminal air conditioner having a modular blower and heater unit that is readily removable intact for servicing. The module includes a housing or box that has a back scroll portion and a pair of ends or side panels. The ends have rearwardly extending tabs and top forwardly extending mounting brackets. A cross-flow blower wheel is spaced adjacent the scroll portion of the housing and is supported by the ends. A shaft extending from the blower wheel is connected to a motor. An electric heating element is mounted to the housing, and the motor and heating element are connected to an electrical connector. The module is installed into an indoor section compartment of the air conditioner, and the tabs insert through slots in the main partition. The mounting brackets are then affixed and the connector is mated to a matching connector.

Abstract: A clip-on retrofit drainage tray or trough is disclosed. The device has a full width tray fitting at the exposed back edge of a window unit or through-the-wall air conditioner, and is located just below the bottom of the sleeve to catch condensate. The dripping water is drained into the trough and out through a drain hole formed in the trough. The trough has an overhead clip attaching on a lip above the sleeve bottom.

Abstract: An air conditioner comprises a water distributor having an opening on its bottom plate, dams around the opening and inverted U-shaped members with a small space formed between the inverted U-shaped plates and the dams so that water in the distributor is guided by a capillary action and distributed to an indoor heat exchanger. A reservoir is disposed to a pipe system between a pump and the indoor heat exchanger so that drain water in the outdoor drain pan is directed to the indoor heat exchanger through the reservoir. The reservoir has a tube which permits excessive water to spill over an opening of the tube to return to the outdoor drain pan through a returning conduit pipe.

Abstract: An air conditioner having a thermal insulation cover forming a pocket around the thermostat bulb which is mounted to the outside wall of the air intake chamber. The cover has an aperture and the outside wall has a plurality of holes communicating with the pocket whereby, when the blower is activated, a flow of ambient room air is drawn through the pocket so that the bulb accurately reflects the temperature of the room being cooled. The cover thermally isolated the thermostat bulb from hot outside fresh air so that the thermostat bulb is not falsely biased.

Abstract: Transport refrigeration apparatus including a condenser section containing an inverted U-shaped refrigerant condenser coil which defines a central opening which functions as a fan chamber having a vertically oriented air discharge side. A propeller fan is disposed in the central opening of the condenser coil which draws air through the condenser coil and discharges it through the vertically oriented discharge side of the opening. A metallic grille is disposed across the air discharge side of the central opening, with the grille having a plurality of horizontally spaced, vertically oriented louvers which straighten the discharge air flow in vertical planes and reduce short circuiting of the discharge air back into the condenser coil. The louvers are spaced by a dimension selected to enable the metallic grille to perform the function of a protective or safety grille across the fan chamber.