9744results about "Heating and ventilation casings/covers" patented technology

A zone controller having an electronic board with a plurality of electronic components attached thereto. The electronic components are constructed and arranged to receive a plurality of signals from a plurality of thermostats and to transmit a plurality of signals to a plurality of air control devices for controlling airflow in ducts. The electronic components include a first grouping of electronic components that are not accessed to perform either installation or operation functions, a second grouping of electronic components that are accessed to perform installation functions, and a third grouping of electronic components that are only accessed to perform operation functions. A first cover is provided that covers and prevents access to the first grouping of electronic components. A second cover is provided that selectively covers and prevents access to the second grouping of electrical components but not the third grouping of electrical components.

An indoor unit of an in-ceiling mount type air conditioner including a box-shaped housing having a top plate portion, a side plate portion and an opening portion at the lower portion thereof, a face panel detachably mounted on the opening portion of the housing, an indoor heat exchanger through which the inside of the housing is compartmented into a primary side and a secondary side, and an air blower secured to the top plate portion of the housing that faces the primary side, has a primary side heat insulating material is provided to the top plate portion so as to face the primary side of the housing and a secondary side heat insulating material provided to the side plate portion so as to face the secondary side of the housing, wherein the primary side heat insulating material is provided with an opening portion through which the air blower is fixed to the top plate portion.

A roof ventilation apparatus provides a vent tile shaped like a roof tile itself, and thus is inconspicuous and unobtrusive when installed, and blends with the field and / or ridgeline tile. The base of the unit may be used to mark the opening, after which a hole is cut in the roof, roofing cement is applied to the base flange, and the base is secured in place. The unit cover is then placed over the base and the remainder of the roof tile application is completed.

Disclosed is an air conditioner including a case having an inlet provided at a front surface thereof to suck in air and an outlet provided at a lower surface thereof to discharge the air, and at least one displaying member provided at an outer border of the inlet so as to display operating information and control operation of the air conditioner.

A low profile evaporative cooler housing for attachment to a building includes a front panel, and an opposing rear panel that may have an extension that extends into a wall of the building. A first and second louver may extend between the front and rear panels.

In a case when a structure of forming a p+ layer on a substrate rear surface side is employed in order to prevent dark current generation from the silicon boundary surface, various problems occur. According to this invention, an insulation film 39 is provided on a rear surface on a silicon substrate 31 and a transparent electrode 40 is further provided thereon, and by applying a negative voltage with respect to the potential of the silicon substrate 31 from a voltage supply source 41 to the insulation film 39 through the transparent electrode 40, positive holes are accumulated on a silicon boundary surface of the substrate rear surface side and a structure equivalent to a state in which a positive hole accumulation layer exists on aforesaid silicon boundary surface is to be created. Thus, various problems in the related art can be avoided.

An operational air conditioning mode is allowed to set to a temperature uniformization mode and a spot air conditioning mode, and is selectively switched between these modes automatically by a control means (53) or manually. In such an embodiment, a comfortably air-conditioned state is obtained in all the areas of a space to be air-conditioned W during air conditioning performed in the temperature uniformization mode, and the comfort is ensured by intensively air-conditioning the surroundings of a person during air conditioning performed in the spot air conditioning mode. At the same time, since an unnecessary air conditioning is not provided to a region without the presence of a person, energy conservation is improved, for example, and thus the comfort of air conditioning and energy conservation are both achieved.

The invention discloses an indoor machine of a two-tubular air conditioner, which comprises a housing, a left and a right tubular fan wheels, a heat exchanger, an air inlet and an air outlet, wherein the housing consists of a front panel assembly and a shell; the left and the right tubular fan wheels are vertically arranged in the housing; the heat exchanger is arranged in the housing and positioned at the rear side of the tubular fan wheels; the air inlet is arranged behind the housing and the air outlet is arranged in front of the housing; the shell is connected to the rear side of the front panel assembly, the inner side of the shell is provided with a box body corresponding to the heat exchanger; back parts of the box body and the shell protrude outwards, the protruding part of the box body is provided with the air inlet, and the protruding part of the shell is provided with an air inlet window corresponding to the air inlet; the heat exchanger is bent towards the protruding direction of the back of the box body and arranged at a position close to the air inlet; and the housing is also internally provided with a volute assembly positioned between the two tubular fan wheels, the volute assembly comprises a left volute, a right volute, and a connecting bulge for connecting the left volute and the right volute together, and the connecting bulge extends to the position close to the heat exchanger. The invention has the advantages of larger air inlet area, compact assembly, low cost, small noise and high heat exchange efficiency.

An air-exhausting apparatus, device, method of assembly and use for an attic and rooftop fan, which prevents water intrusion into the housing. The fan can include a tubular base having a bottom side mounted on a roof of a room, and an upper end portion converging toward a top side of the base. A coupling sleeve unit has a first coupling end portion sleeved fixedly on the base and cooperating with the base to define an annular draining passage therebetween, and a second coupling end portion opposite to the first coupling end portion. A fan unit is mounted in the coupling sleeve unit, and is operable so as to exhaust air outwardly of the room via air holes in the second coupling end portion of the coupling sleeve unit. A cover unit includes a cover body disposed on the second coupling end portion of the coupling sleeve unit, and a supporting frame interconnecting fixedly the cover body and the coupling sleeve unit. Wear and / or sound absorbers can also be included.

A split liquid desiccant air conditioning system is disclosed for treating an air stream flowing into a space in a building. The split liquid desiccant air-conditioning system is switchable between operating in a warm weather operation mode and a cold weather operation mode.

An energy recovery ventilator and method for monitoring and maintaining an environmental condition inside a structure such as a house, building, or dwelling is provided. The ventilator may include a housing having mating halves of a molded polymeric material, first and second chambers disposed within the housing to convey separate first and second streams of air, a heat exchanger configured to intersect the first and second chambers, a first fan to circulate the first air stream through the first chamber, a second fan to circulate the second air stream through the second chamber, and a fan motor driving the first and second fans. The ventilator may also be configured to prevent frost build-up in or on the energy ventilator, to provide efficient cooling, and maintain one or more desired environmental conditions.

A vent for a tile roof is disclosed. The vent includes a first member preferably substantially formed of a metal, a second member preferably substantially formed of a plastic material, and a connector attached to the underside of the second member. The second member is positioned below and spaced apart from the first member. The first and second members together define a ventilation gap therebetween. The first member and second member are preferably releasably connected to each other. The connector is configured to connect with an air conduit. The connector is further configured to be compatible with a plurality of sizes and types of air conduits. The ventilating access and the connector are together configured to permit airflow between above the roof and the air conduit.

A flexible flat panel display where nanoparticles are used for the active layer of the TFTs and the substrate is flexible and can be manufactured at room temperature, a flat panel display device having the same, a method of manufacturing a TFT, a method of manufacturing a flat panel display device, and a method of manufacturing a donor sheet. In making the TFTs in the display, a donor sheet is used to transfer the nanoparticles from the sheet to the substrate. The thin film transistor is placed on a substrate and includes a channel region which has at least one P-type or N-type nanoparticle arranged in a lengthwise direction, wherein the lengthwise direction of the P-type or N-type nanoparticles is parallel to a P-type or an N-type nanoparticle line partitioned off on the substrate.

Disclosed is an air cleaner having independent fluid paths and a home appliance having the air cleaner. The air cleaner includes a front panel having a plurality of air inlets formed thereon for air to flow in from outside of the case, first and second blower devices arranged inside the case to allow air to flow in through the plurality of air inlets, first and second filter units arranged to filter the air flowing in by the first and second blower devices, a first outlet located on the case to release the air, a second outlet formed at a different location from that of the first outlet, a first fluid path formed between one of the plurality of air inlets and the first outlet; and a second fluid path formed between another of the plurality of air inlets and the second outlet.

There is provided a quantum-key distribution method between a plurality of users or groups. A center prepares a predetermined number of entangled states consisting of qubits equal to the number of the users, and generates quantum states consisting of the qubits belonging to each of the entangled states and corresponding to each of the users. The center transmits each of the quantum states to each of the users after an authentication process. Each of the users receiving the quantum state makes public an axis used to measure each of the qubits constituting the quantum states. The number of users in each group measuring the qubits with a predetermined axis is represented by module 4. If the sum of the module 4 of each group is even, each group collects the qubit measurement results of the users and acquires each group key. Therefore, it is possible to provide a high-security quantum-key distribution method between an unspecified number of users or groups.

A semiconductor device includes a first semiconductor layer, a first interlayer insulation layer, a second semiconductor layer, and a gate pattern. The first interlayer insulation layer covers the first semiconductor layer. The second semiconductor layer is formed on the first interlayer insulation layer and includes source regions, drain regions, and a channel region interposed between the source region and the drain region. The gate pattern includes a gate insulation layer on the channel region of the second semiconductor layer. At least one of the source regions and the drain regions includes an elevated layer having a top surface higher than that of the channel region.

The invention discloses a split floor-type air conditioner. The split floor-type air conditioner comprises a shell, a panel assembly, an upper air supply device and a lower air supply device, wherein an air inlet is formed in the shell; the panel assembly is arranged at the air outlet side of the shell, and a first upper air outlet and a first lower air outlet are formed in the panel assembly; the upper air supply device is arranged in the shell, a second upper air outlet and a second lower air outlet are formed in the shell, the second upper air outlet and the first upper air outlet are arranged in a corresponding manner, and the upper air supply device has an upper air outlet first working state and a lower air outlet second working state; the lower air supply device is arranged below the upper air supply device, a third upper air outlet and a third lower air outlet are formed in the lower air supply device, the third lower air outlet corresponds to the first lower air outlet, and the lower air supply device has an upper air outlet first working state and a lower air outlet second working state; the second lower air outlet and the first lower air outlet are optionally communicated with each other, and the third upper air outlet and the first upper air outlet are optionally communicated with each other. According to the split floor-type air conditioner, air volume and temperature inside a room can be uniformly distributed, and the application comfort of the air conditioner can be improved.

An exhaust assembly is provided for expelling contaminated air from a building. The assembly includes a plenum, a fan assembly attached to the plenum, and a windband mounted on top of the fan assembly. The fan assembly is constructed of cylindrical outer and inner walls which define a drive chamber and surrounding annular space. A fan driven by a motor whose shaft extends downward from the drive chamber draws exhaust air from the plenum and blows it up through the annular space to a nozzle at the top of the fan assembly. The motor is pivotally mounted inside the assembly to provide access to the motor components when it is desired to perform inspection and maintenance.

A collapsible, pop-up plenum for central heating and air conditioning equipment folds substantially flat for shipping and storage. The plenum's planar sidewalls form a rectangular box having an open input end. An endwall opposite the input end is attached by one edge to one sidewall and adapted to swing open and lay against said sidewall, allowing the plenum to fold flat for storage and transportation. A metallic, flanged collar adapted to attach the input end to the equipment cabinet is hinged to collapse with the plenum. Tightness of the plenum's metallized, elastic skin causes the plenum to spring open when released from its wrapping, facilitating assembly and installation.

An air conditioner, especially to an apparatus for redirecting wind in an indoor unit of the air conditioner is disclosed. A scroll guide provided so as to form an air duct at the circumference of a centrifugal fan for sucking and discharging the interior air so that the interior air can pass through a heat exchanger is installed in a rotation controllable state. Wind direction patterns can be regulated in various states by rotating the scroll guide by a predetermined angle and converting the setting position of an air discharge opening according to the operation mode. The degree of freedom relative to wind redirection of the discharge air can be improved by a variable air duct and the product efficiency and the reliability can be improved through improvement of the wind amount efficiency and reduction of noise.

A roof vent designed to be nestable for easy shipment and which can be injection molded includes a base member and cover member. The base is nestable in an identical base, and the cover is nestable in an identical cover. The base and cover can be totally separate or connected by a living hinge or runner. To install the vent, the cover is positioned over the base and the two are nailed together to the roof surface.