Class / Patent application number | Description | Number of patent applications / Date published |
454241000 | Including unitary inlet and outlet housing | 40 |
20080233861 | Vertical Door Fan Shutter - A fan shutter having one end attachable to an exhaust fan and the opposite inlet end having a pair of vertical doors that are biased to close when the fan is off and to open by the force of vacuum when the fan is on. The use of vertical doors prevents the accumulation of dust and dirt on the doors. The vertical doors pivot horizontally in a housing that may have any desired shape, including a tubular shape with a bell mouth. The tubular bell mouth shutter design further provides improved air flow characteristics and decreased stress on the exhaust fan, compared to conventional fan shutters. | 09-25-2008 |
20080274685 | AIR GRATE FOR RAISED FLOORS - An air grate for a raised floor includes a top plate with apertures for air flow, and reinforcement ribs for structural support. Pairs of ribs include edge flanges that define a horizontal track. Two flat dampener panels temporarily flex to slip between the edge flanges for assembly and then unflex for adjustable movement along the track between different overlapping positions for controlled air flow. The top plate includes corner-forming sections and leveling legs for height adjustment. Foot-print-expanding brackets engage the leveling legs for extending their foot print outwardly so that the air grate can be used on different raised floor systems without misalignment problems with stanchion supports. A handle is pivotally mounted in the top plate between a flush position and a raised position for grasping to lift the air grate, the handle having apertures matching the pattern of the top plate. | 11-06-2008 |
20090181610 | Medical garment ventilation system - A medical garment ventilation system comprises a generally planar intake body having an intake face defining a plurality of intake ports spaced over the intake face, the intake body defining at least one outlet, the at least one outlet and one or more of the plurality of intake ports connected to one another by one or more passages through the body, at least one generally closed air flow path, the path having a first end in communication with at least one of the outlets of the intake body, and an air suction device for drawing air through the intake ports, through the intake body to the at least one closed air flow path, and along the at least one airflow path to an exhaust. | 07-16-2009 |
20090186571 | AIR VENTILATION SYSTEM - The present invention is directed at an air ventilation system for use with semiconductor manufacturing equipment. Specifically, the ventilation system of the present invention adjusts vents or outlets located on an enclosure used for semiconductor manufacturing between a restricted state and an open state. When the vents and/or outlets are in an open state, a high flow rate through the enclosure is able to properly scavenge toxic and volatile gasses to safely remove them. When the vents and/or outlets are in a restricted state, the flow rate of gases therethrough is substantially or fully restricted. Upon the sensing of a condition (or the lack thereof) or the manual operation of an operator, the vents and/or outlets are selectively adjusted between the restricted and open states. | 07-23-2009 |
20090209193 | HEATING, VENTILATING AND AIR CONDITIONING (HVAC) SYSTEM FOR RECREATIONAL VEHICLES - An HVAC unit for a recreational vehicle includes an enclosure having an ambient air inlet, an exterior outlet, a return air duct connection, and a conditioned air duct connection. An air conditioning system and a heating system are each located within the enclosure. The air conditioning system includes a compressor, a condenser, an expansion device, and an evaporator operably connected for cooling air entering the enclosure through the return air duct connection. The heating system includes a gas-fired burner assembly located within a sealed combustion chamber and a heat exchanger operably connected to the combustion chamber for heating air entering the enclosure through the a return air duct connection. A control system is operably connected to the air conditioning system and the heating system to selectively heat or cool air entering the enclosure through the a return air duct connection and exiting through the conditioned air duct connection. | 08-20-2009 |
20100009620 | INSIDE AIR/OUTSIDE AIR SWITCHING DEVICE - An inside air/outside air switching device that includes: an inside air/outside air switching case that has an outside air inlet which opens into an engine room, a first inside air inlet and a second inside air inlet which open into a vehicle compartment; an inside air/outside air switching door that is provided in the inside air/outside air switching case, and that switches an open inlet between the first inside air inlet and the outside air inlet; an inside air introduction support door that opens and closes the second inside air inlet; and a noise insulation member that is provided in such a manner that an operation of the inside air introduction support door is not interfered with, and that blocks out noise which is generated in the engine room and which proceeds from the outside air inlet toward the second inside air inlet when the outside air inlet is open. | 01-14-2010 |
20120178355 | Heat Exchange Ventilating Apparatus - A heat exchange ventilating apparatus comprising: a body housing; a first blower fan disposed in a first air flow path within the body housing; a second blower fan disposed in a second air flow path within the body housing; a rotary-type total heat exchange element; a first covering; and a filter box, wherein the rotary-type total heat exchange element is disposed between the first covering and the filter box, and the first air flow path is formed such that the air flowing therein sequentially passes through inside inlet, the filter box, the rotary-type total heat exchange element, the first covering, the first blower fan and the outside outlet. | 07-12-2012 |
20120270494 | DISPLACEMENT-INDUCTION NEUTRAL WALL AIR TERMINAL UNIT - An induction-displacement neutral wall air terminal unit includes a housing defining a supply airflow path, a connected return airflow path, and a heating airflow path separated from the supply and return airflow paths by at least one interior wall. The unit also includes a plurality of induction-type nozzles located within the supply airflow path, that are deliver a ventilation air flow stream into the supply air flow path. The nozzles induce a return air flow stream through the return air flow path that mixes with the ventilation air flow stream to form a supply air flow stream delivered to a supply air outlet. A heating element is disposed within the heating airflow path to heat air within the heating air flow path. A plurality of fans may be placed within the heating airflow path to increase the overall heating capacity of the unit. | 10-25-2012 |
20140220876 | JOINING MEMBER HAVING VENTILATION FUNCTION AND JOINING STRUCTURE USING SAME - A joining member ( | 08-07-2014 |
20140342653 | RIM JOIST VENT - A vent including: a flange forming an outer periphery of the vent and having a substantially rectangular shape; an extruded portion extending outwardly from an inner portion of the flange; and a louvered section disposed in an area inside the extruded portion, the louvered section including a plurality of louvers each having an angled section disposed at an angle with respect to the flange, wherein the flange, the extruded portion, and the louvered section are formed as a single unitary piece. | 11-20-2014 |
20160377315 | Transition Module for an Energy Recovery Ventilator Unit - A transition module for an energy recovery ventilator unit. The module comprises a frame having two opposing major surfaces with two separate through-hole openings therein. The module also comprises a self-sealing surface on one of the major surfaces and surrounding the two through-hole openings. One of the through-hole openings is configured to separately overlap with return air openings or supply air openings located in a first target side of one an energy recovery ventilator unit or an air handling unit and in a second target side of the other one of the energy recovery ventilator unit or the air handling unit. The other of the through-hole openings is configured to separately overlap with the other of the return air openings or the supply air openings located in the first and second sides. | 12-29-2016 |
454242000 | Rooftop | 10 |
20080287051 | VENTILATION SYSTEM - An improved ventilation apparatus, system and method for attaching a base portion to a top unit of an outdoor building ventilation system is provided. More specifically, the present invention relates to a ventilation with an improved and unique clasping system for attaching the to portion unit and the base unit of an outdoor ventilation system together for easier transport and assembly at a building construction site. Additionally, the present invention allow for removal and replacement of either the top portion or the base portion relative to its corresponding parts without the need to replace the entirety of the ventilation system. | 11-20-2008 |
20090215382 | Attic vent - A passive venting device for venting enclosures comprising a base member, an intermediate splash member including a diverter, and a top, dome-shaped member. In a preferred embodiment, the diverter may be molded as a single unit of manufacture with the base member. The venting device allows air and other gases to escape from within an enclosure to be vented while preventing the intrusion of moisture, such as rain or snow, into the enclosure. | 08-27-2009 |
20110117831 | CEILING-EMBEDDED VENTILATION FAN - A ceiling-embedded ventilation fan includes: a casing provided in a box-shape frame inserted and mounted in a ceiling and having an opening facing an indoor side in a lower face thereof, the casing having a side face formed in a scroll shape and set in a vertical direction, the casing further having a casing intake port in the lower face of the frame and a casing discharge port in a side portion of the frame; a centrifugal blower blade housed in the casing and having a blade intake port facing the casing intake port; and an electric motor which rotates the centrifugal blower blade, wherein the centrifugal blower blade is provided so that an upper side of an axial center thereof is tilted in a direction toward an upstream side of a centrifugal airflow based on a center line of the casing intake port in a direction orthogonal to the casing discharge port. | 05-19-2011 |
20110294412 | TWO PIECE ROOF VENT - 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. | 12-01-2011 |
20130196587 | VENTILATION ARRANGEMENTS - 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. | 08-01-2013 |
20130344793 | VENTILATION ARRANGEMENT - A housing for a ventilation arrangement, with a profiled rod providing a radial extension in each corner, with a pivotted guide vane extending between the rod and the remainder of the housing. In normal wind conditions this radial extension guides air into or out of the housing. In very high wind conditions the guide vane can however pivot and/or flex to release any excessive pressure caused by the high wind. | 12-26-2013 |
20140248832 | Method and Apparatus to Provide Ventilation for a Building - An improved method and apparatus allows fresh air to be introduced into a building through action of a special manifold which directs air entering the building through the furnace combustion feed tube to be introduced into the interior atmosphere of the building, while air from the interior of the building is directed to the furnace and ultimately exhausted to the exterior of the building. | 09-04-2014 |
20150292761 | COAXIAL VENTILATOR - A coaxial ventilator ( | 10-15-2015 |
20160040898 | COWL FOR A VENTILATION SYSTEM - A cowl for a ventilation system is provided that includes at least two separate flow paths, an outlet flow path defined by a first conduit and an inlet flow path defined by a second conduit that extends around the first conduit of the outlet flow path, the first and second conduits extending in the direction of a common axis, the inlet and outlet flow paths each having a first end adapted to open to atmosphere and each having a second end adapted to be connected to the ventilation system. The inlet flow path includes a mouth portion at its first end, the mouth portion substantially facing a direction perpendicular to the common axis to provide an opening into the inlet flow path and including at least one louver, the louver configured to present to incoming air a radially outward upwardly inclined section and a radially inward downwardly inclined section. | 02-11-2016 |
20160377318 | ADAPTABLE HVAC UNIT BASE - An adaptable base of the HVAC unit can allow an HVAC unit to align and seal with multiple duct opening configurations. Such opening configurations may be different footprints in different HVAC systems, such as may be employed for example in different roof curbs of rooftop HVAC units. The adaptable base includes a base plate, a supply air duct opening, a return air duct opening, where there is at least one additional opening for one or both of the supply air opening and the return air duct opening. Each opening has a seal around its perimeter. A seal is also arranged and located on the base plate about a perimeter around the supply air duct opening(s) and the return air duct opening(s). A cover can be connected to close one or more openings that are not being used with the unit. | 12-29-2016 |
454243000 | Sleeved vent for ceiling, wall, or floor (e.g., thimble) | 2 |
454244000 | With air pump means for both inlet and outlet airways | 2 |
20080274686 | Fan control system - There is described a method for controlling an exhaust system having at least two fans, a plenum chamber interconnecting the at least two fans, and a bypass air damper in the plenum chamber to allow bypass air to flow therethrough, the method comprising: monitoring pressure in the plenum chamber of the system; detecting a variation of the pressure beyond a predetermined range; and regulating operation of the exhaust system in response to the pressure variation in order to return the pressure to within the predetermined range. | 11-06-2008 |
20160033152 | DIVERTER DUCT FOR FLUIDLY DECOUPLING FANS IN A VENTILATION SYSTEM - A diverter duct for a ventilation system is disclosed. The diverter duct includes a main body defining an inner surface, a first portion including an inlet, a second portion located downstream of the first portion, a third portion including an outlet, and an opening located between the first portion and the third portion. The diverter duct also includes a first contoured section formed in the first portion of the main body. The inner surface of the main body at the first contoured section may be configured to direct air received from the inlet towards the opening at a first operating condition. The diverter duct also includes an air deflector positioned along the inner surface of the main body downstream of the first portion to deflect a portion of the air received from the inlet of the main body towards the opening at the first operating condition. | 02-04-2016 |
454245000 | Air distributor with return vent (e.g., register, etc.) | 6 |
20110059686 | Ventilator - A ventilator including a case having a supply air port to introduce outdoor air and an exhaust air port to discharge indoor air, a supply and exhaust air duct to communicate with the supply air port and the exhaust air port, and a partition disposed in the supply and exhaust air duct to divide the supply and exhaust air duct into a supply air region to communicate with the supply air port and an exhaust air region to communicate with the exhaust air port, the partition having protrusions protruding outward from opposite ends of the supply and exhaust air duct, the protrusions being bent. The partition is easily inserted into the supply and exhaust air duct by the bent protrusions of the partition to prevent leakage of indoor air and outdoor air and thus prevents the outdoor air and the indoor air from being mixed. | 03-10-2011 |
20130052933 | AIR DIRECTOR FOR ELECTRONIC DEVICE - An exemplary air director includes a top plate, a bottom plate, side plates, an air baffle, an air inlet, and an air outlet. The bottom plate is opposite to the top plate. The plurality of side plates is connected together end to end between the top plate and bottom plate. The top plate, the bottom plate and the plurality of side plates cooperatively define a receiving chamber therebetween. The air baffle substantially vertically extends along an outer surface of one side plate of the plurality of side plates. The air inlet and the air outlet are respectively provided at opposite lateral sides of the air baffle. | 02-28-2013 |
454248000 | Ceiling type | 4 |
20130023195 | COLUMNAR AIR MOVING DEVICES, SYSTEMS AND METHODS - An air moving system includes an air moving device including a housing member, a rotary fan assembly, and a nozzle, the housing including a plurality of air intake vents. The nozzle is configured to move relative to a longitudinal axis of the air moving device. The air moving system includes a ceiling grid structure. The air moving device is configured to rest within a grid within the ceiling grid structure or within an opening in the ceiling. | 01-24-2013 |
20130084793 | CEILING MOUNTED VENTILATION FAN - A ceiling mounted ventilation fan comprises a main housing including a first opening communicating with a duct and a second opening communicating with inside of a room, and a fan unit including a fan casing having an air inlet opened in the main housing, and the fan casing includes a first engagement part releasably engaged with the first opening of the main housing, and a second engagement part releasably engaged with an inner wall of the main housing, positioning of the fan casing in an installation position is achieved in a state that the first engagement part is engaged with the first opening and the second engagement part is engaged with the inner wall of the main housing, and a state of the engagement can visually be confirmed through the second opening in a state that the positioning is achieved. | 04-04-2013 |
20150093983 | INDOOR DEVICE FOR CASSETTE TYPE AIR CONDITIONER - An indoor device for a cassette type air conditioner is provided. In the indoor device for the cassette type air conditioner, an outer edge of a suction grill extends to form inner lines of a plurality of discharge holes of a panel, and the suction grill may be opened while slidably moving without interfering with the panel according to a shape thereof. | 04-02-2015 |
20170234572 | DIFFUSER MODULE | 08-17-2017 |
454249000 | With air pump | 11 |
20090215383 | Apparatus for Circulating Air - Disclosed is an apparatus for circulating air. The apparatus comprises a hollow handle assembly having a proximal end and a distal end. The apparatus further includes an air circulation assembly pivotally secured to the proximal end of the hollow handle assembly. The air circulation assembly is capable of generating an air-flow. Moreover, the apparatus includes a connecting fixture coupled to the distal end of the hollow handle assembly. The connecting fixture is capable of being received in a receptacle for a lighting appliance and for providing an electrical connection to the apparatus for circulating the air. The air circulation assembly is adapted to have an angular motion in all directions about the hollow handle assembly. | 08-27-2009 |
20100081370 | ASSEMBLY OF PIPE UNIT AND PIPE HOOD FOR VENTILATING FAN - An assembly of pipe hood and pipe unit for a ventilating fan, comprising a front cover, a rear cover and a pipe unit, characterized in that: a baffle is vertically provided in the pipe unit to divide the pipe into an air inlet pipe and an air outlet pipe on the left and right sides respectively; a partition plate is vertically provided in the rear cover corresponding to the baffle to divide the space enclosed by the front cover and the rear cover into an air inlet side and an air outlet side on the left and right sides respectively; an external air inlet opening and an external air outlet opening are provided on the outer side of the rear cover on the left and right sides respectively; an internal air inlet opening and an internal air outlet opening are provided on the inner side of the rear cover on the left and right sides respectively; an air inlet passage and an air outlet passage are formed in parallel to each other on the left and right sides respectively. Since the inflow air and the outflow air flow to the left and right sides respectively, the contaminated air discharged from the pipe unit can be prevented from mixing with the fresh air entering the room, and the ventilating effect can be ensured. | 04-01-2010 |
20130059523 | VENTILATION APPARATUS - A ventilation apparatus is provided. The ventilation apparatus may include a base, frames positioned on the base, a rear panel positioned behind the frames and having an interior air discharge port and exterior air suction port formed therein, a top cover positioned on top of the frame and having exterior air discharge port formed therein, and a front panel positioned in front of the frames and having an interior air discharge port formed therein. Heat exchangers disposed in the frames may include interior and exterior air passages. An exhaust fan and air supply fans provide for air flow through the apparatus, guide by the frames. Use of the frames to guide air flow simplify structures and may enhance efficiency by simplifying the passages of the exterior and interior air through the apparatus. | 03-07-2013 |
20130095743 | AIR BLOWING DEVICE - An air blowing device adapted to be used in such a manner that at least two of the devices are horizontally and/or vertically aligned with each other, thereby to obtain a uniform flow of air in the downstream direction from device to device. An air-permeable front surface ( | 04-18-2013 |
20130109292 | AIR ADJUSTER | 05-02-2013 |
20130203336 | VENTILATION SYSTEM AND METHOD - Embodiments of the invention provide a ventilation system comprising a housing. The housing includes an inlet through which air is received and the housing is capable of being installed within a structure. A ventilating assembly can be supported within an interior of the housing. The ventilating assembly can be operable to generate a flow of air and can be in fluid communication with the inlet. The system can include a thermal damper assembly comprising an aperture and a substantially non-metallic curtain. The damper assembly is capable of being coupled to the housing so that the aperture of the thermal damper assembly and the inlet of the housing are in fluid communication with each other. In some embodiments, the thermal damper assembly is configured and arranged to be uncoupled from the housing after the housing has been installed within the structure to provide access to the interior of the housing. | 08-08-2013 |
20130281001 | VENTILATION DEVICE - A first element and a second element are disposed in postures such that the length directions of the elements are parallel to each other. The first element is disposed in a posture such that a pair of opposing surfaces where a longitudinal flow passage is open is parallel to one main plate. The second element is disposed in a posture such that a pair of opposing surfaces where a longitudinal flow passage is open is parallel to the one main plate. A mixing flow passage formed as a result of the first element and the second element being disposed with a gap therebetween in a facing direction of side plates is provided between a transverse flow passage of the first element and a transverse flow passage of the second element. | 10-24-2013 |
20140141708 | Ventilation Systems and Related Methods - A ventilation system includes a housing having an inlet and an outlet to facilitate air flow, a fan coupled within the housing, a filter removably coupled within the housing and a litter box coupled to the housing. In implementations the ventilation system defines a flow direction for air exiting the litter box and the fan is positioned prior to the filter in the flow direction. In implementations an adhesive element having an opening is coupled to the bottom of the housing and the opening is aligned with the inlet, and a transparent coupler is coupled to the adhesive element, the transparent coupler blocking at least one vent of the litter box and the transparent coupler having an opening aligned with the inlet. In implementations the ventilation system defines substantially only a single flow direction for the air flow, the flow direction being in an upwards direction from the litter box. | 05-22-2014 |
20150017906 | VENTILATION DEVICE - A ventilation device performs ventilation by supplying outdoor air indoors as supply air and exhausting room air outdoors as exhaust air. The ventilation device includes a heat exchange unit provided with a heat exchange element that performs heat exchange between the supply air and the exhaust air and a humidification unit provided with a humidification element that humidifies the supply air. The heat exchange unit is provided with a supply air blower with which the outdoor air is suctioned and sent to the humidification unit and a supply air delivery port with which supply air sent from the supply air blower is delivered and guided to the humidification unit. The humidification unit is provided with a supply air introduction port that introduces supply air delivered from the heat exchange unit, and a supply air duct that regulates spreading of supply air introduced from the supply air introduction port. | 01-15-2015 |
20150300668 | AIR CONDITIONING APPARATUS - An air conditioning apparatus includes a casing having intake and blow-out ports, a partition member dividing an interior of the casing, a heat exchanger, a centrifugal fan, and a heater. The centrifugal fan includes a bladed wheel having a plurality of rearward blades and sucks air existing in the heat exchanger compartment into the fan compartment through the fan entrance. The bladed wheel is mounted in the fan compartment such that a rotary shaft of the bladed wheel is oriented along an opening direction of the fan entrance and an opening direction of the blow-out port. The heater is mounted in a blow-out port opposed space. The blow-out port opposed space is a region opposed to the blow-out port within a fan downwind space. The fan downwind space is a space located on a downwind side of the bladed wheel within the fan compartment. | 10-22-2015 |
20150300669 | AIR CONDITIONING APPARATUS - An air conditioning apparatus includes a casing having intake and blow-out ports, a partition member dividing an interior of the casing, a heat exchanger, and a centrifugal fan. The blow-out port is at least partially disposed adjacent to a blow-out port nearby lateral part of the casing along an opening direction of a fan entrance and the blow-out port. A fan downwind space is located on a downwind side of a bladed wheel within a fan compartment, and has a blow-out port opposed space and a blow-out port non-opposed space. A first guide member directs air existing in the blow-out port non-opposed space toward the blow-out port opposed space, and is mounted in a boundary region located astride of regions located on forward and rearward sides in a rotary direction within the blow-out port non-opposed and blow-out port opposed spaces, respectively. | 10-22-2015 |