| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 454341000 | With air pump | 75 |
| 20080200113 | Hybrid Ventilator - A ventilator having a ventilator stator for mounting to a structure and a ventilator rotor for mounting and rotation with respect to the stator. One or more wind-drivable elements are mounted to the ventilator. A motor is provided for operation between the ventilator rotor and ventilator stator for selective motor-driven rotation of the ventilation rotor. | 08-21-2008 |
| 20090203308 | AUTOMATIC ROOF VENTILATION SYSTEM - A roof ventilation system operable based on environmental parameters is disclosed. The system includes a vent, a fan, a solar panel, a battery and a controller. The vent is positioned within a field of a roof, and includes a first opening configured to allow airflow between regions above and below the roof. The fan is positioned to generate an air flow through the vent. The solar panel is positioned on the roof in a location such that the solar panel receives solar radiation. The battery is electrically connected to the solar panel. The controller is in communication with the fan, and is configured to drive the fan based on at least one environmental parameter. | 08-13-2009 |
| 20090221227 | COMPOST VENTILATION - A composting apparatus ( | 09-03-2009 |
| 20090221228 | WOOD STOVE RADON REDUCTION SYSTEM - A combination of a wood stove and radon collecting system. A radon collection tube located in the basement of a building is connected via conduit leading into the combustion chamber of the stove. Burning wood within the combustion chamber is operable to normally cause radon within the building to flow into the radon collection tube, through the combustion chamber and then out through an exhaust tube. In the absence of burning wood, a lighted candle is placed in the combustion chamber tube to cause the radon within the radon collection tube to flow into the combustion chamber and then out through the exhaust tube. | 09-03-2009 |
| 20100029195 | AIR HANDLING UNIT USING MULTIPLE FANS - An air handling unit for supplying air to a building including an exterior housing forming a chamber and having a longitudinal axis and air inlets and an outlet at opposite ends of the housing. An array of plenum fan units is mounted in the housing between its opposite end sections, this array extending transversely relative to the longitudinal axis. A corresponding array of insulated inlet flow concentrators is arranged adjacent to upstream ends of the plenum fan units. Each concentrator forms a flow passage which tapers towards an inlet opening of its respective fan unit. The flow passage is formed by a perforated metal wall circumferentially encased in sound attenuating material. Interior walls are mounted in the housing to separate the fan units from one another. At least one mechanism is mounted at one end of the compartment for each fan unit formed by the interior walls. | 02-04-2010 |
| 20100068987 | VENTILATOR AND ITS IMPELLER - A ventilator includes a base, a drive device disposed on the base, an impeller coupled to the drive device and driven by the drive device, and a cover assembled with the base to define a closed area between the cover and the base for receiving a first circuit board therein, wherein when an AC power source is input to the first circuit board to be converted, a DC power source is output to drive the drive device. | 03-18-2010 |
| 20100203821 | REMOTE SUCTION CONFIGURATION, METHOD, AND RETROFIT KIT FOR EXHAUST-PRODUCING POWER TOOLS USED INDOORS - A remote suction configuration, method, and retrofit kit for ventilating exhaust from an exhaust-producing power tool used indoors. An exhaust conduit is connected between an exhaust port of an exhaust-producing tool used within a substantially enclosed structure and an intake port of a vacuum apparatus placed externally to the structure. Universal connectors or retrofit adapters are provided at the ends of the exhaust conduit to connect the exhaust conduit between an exhaust port of the exhaust-producing tool and an intake port of the vacuum apparatus. In this manner, exhaust produced by the tool may be actively pulled through the conduit to an external environment instead of relying on the tool to push the exhaust the entire length of the conduit. | 08-12-2010 |
| 20100279597 | BUILDING CIRCULATION SYSTEM USING CURTAIN WALL AS VENTILATOR - A ventilation system for a high-rise building is disclosed. The ventilation system comprises an external curtain wall | 11-04-2010 |
| 20100297928 | CONTROLS FOR VENTILATION AND EXHAUST DUCTS AND FANS - A ventilation or exhaust system, having ducting, and a fan assembly for placement in ducting of a ventilation or exhaust system for an environment space. The fan assembly has a motor having an output shaft, a fan mounted on the output shaft, and a brake mounted for operation on the motor. The brake is operable for stopping rotation of the motor upon a detection of a prescribed situation one or more of: the environmental space, and the ducting. Also included is a valve assembly having a valve member for placement in the ducting for movement between a first position where the ducting is substantially open, and a second position where the ducting is substantially closed. The valve member is adapted to move from the first position to the second position in response to at least one detection of a prescribed situation. At least one detector is provided for detecting a prescribed situation, the detector being for controlling the operation of the brake of the fan assembly, and the valve assembly, in response to the detecting. | 11-25-2010 |
| 20110124280 | Ridge Vent with Powered Forced Air Ventilation - A ridge vent with powered forced air ventilation includes a ridge vent that is configured to be installed along the ridge of a roof covering an elongated ridge slot on either side of a ridge beam of the roof. Hot air from the attic below escapes by convection through the ridge slot and is expelled to ambient atmosphere through the ridge vent. A blower is mounted in a blower opening formed at a predetermined location along the ridge vent on one side of the ridge beam. The blower includes a blower housing forming an inlet within the attic and an outlet oriented to force air upwardly through the vent slot to be expelled through the ridge vent. A pair of baffles are hingedly secured to the housing adjacent its outlet and can be hinged up for dropping the blower through the blower opening during installation, and then hinged down and attached to a roof deck covering the blower opening and a portion of the ridge slot on the other side of the ridge beam. The baffles secure the blower and help to isolate its outlet from the attic space below. An impeller is disposed in the housing and is driven by an electric motor, which may be driven by electricity from a solar panel, electricity from a household electrical service, or both depending upon availability of sunlight and other conditions. | 05-26-2011 |
| 20110177772 | VAPOR REMOVAL SYSTEM - An apparatus for the evacuation of warm, moist air or vapor from a dishwasher cabinet or other washing machine interior. A centrifugal fan draws the hot air and water vapor out of the washing cavity through a flue riser and discharges it into a cooling chamber with one or more cooling spray nozzles. The cooling spray nozzles spray a fine mist of cold water into the stream of heated air and vapor, and may spray at angle to the flow of the stream of heated air and vapor. As the heated air and vapor from the dishwasher and the cooling spray mix, heat is transferred from the heated air and vapor to the cold water or mist being sprayed into the air stream. This reduces the temperature of the vapors and air that was extracted from the dishwasher. As the temperature is reduced, the water vapors condense and form droplets which accumulate on the sides and bottom of the cooling flue. This reduced temperature and moisture air is then discharged to the room at an opening, which may be located slightly above the bottom of the flue cabinet, along with the condensate. | 07-21-2011 |
| 20120045983 | Solar Powered Active Roof Ridge Vent - A solar powered roof ridge vent apparatus is provided for actively conducting warm air from an attic space of a home or building to the ambient environment. The roof ridge vent apparatus includes a series of electrically powered axial fans fastened to openings formed in a laterally flexible main panel which is installed at the ridge opening of a roof on a home or building. The laterally flexible main panel seals to the roofline. The series of fans are protected from the elements by a shroud. The shroud is fastened to the laterally flexible main panel and forms a cavity surrounding the fans in which the fan drawn air is first introduced prior to passing through a vent to the ambient environment. The fans are powered using electricity generated by a solar panel, which is mounted to the main panel. A thermostat is employed to deactivate the electrical fans at lower ambient temperatures when attic ventilation is undesirable. The apparatus can be installed as a single unit to the exterior of the home. | 02-23-2012 |
| 20120108161 | AIR CONDITIONER WITH OUTDOOR UNIT - An outdoor unit of an air conditioner is disclosed. The outdoor unit includes: a casing, including a portion defining an outlet through which air is discharged from the outdoor unit; an axial flow fan disposed in the casing for blowing air through the outlet, wherein the axial flow fan comprises: a hub; a plurality of main wings extending from the hub; and a rim connecting the main wings to one other and rotating integrally with the main wings; and one or more air entry blockers disposed at a clearance space between the rim and the portion of the casing defining the outlet. | 05-03-2012 |
| 20120164936 | VENTILATION DEVICE - A ventilation device comprises: a body, a fan disposed in the body, and an adapter connected with an air outlet of the body. Two or more pipe coupling parts are disposed in sequence from a side of an air inlet of the adapter to a side of an air outlet of the adapter, and each pipe coupling part is provided with a protruding circular ring with a diameter larger than that of the respective pipe coupling part at a root thereof. An air guide structure is disposed in the adapter, a pipe is fitted over the pipe coupling part and is abutted against the protruding circular ring located at the root to be fixed, and the air guide structure is engaged to an inside of the protruding circular ring of the adapter. The ventilation device according to the present invention has the following advantages. Pipes with different outer diameters can be conveniently installed to the ventilation device. In addition, excellent seal and reduction of air resistance and noise can be achieved. | 06-28-2012 |
| 20120289144 | VENTING AND COOLING SYSTEM FOR A HOUSE - A dwelling venting and cooling system that includes a set of side-by-side conduits wherein first and third conduits utilize a fan assembly that is actuated by wind power in order to vent hot air from an attic. The second conduit provides an electric fan that actuates the fan assemblies of the first and third conduits at times when wind is not sufficient to actuate the fan assemblies. The system further has attic air ducts that are in communication with air ducts in rooms within the dwelling in order to convey all hot air to the attic and out of the dwelling. In addition a cooling system that utilizes a water-to-air exchanger provides cool air into air ducts within the dwelling in order to replace the hot air with cool air. | 11-15-2012 |
| 20120302153 | SYSTEM AND METHOD FOR VENTILATING AN ATTIC - There is provided a system and method of ventilating an attic of a building. The attic ventilation system comprises at least one lower turbine located at a low point of the attic, and at least one upper turbine located at a high point of the attic, wherein the turbines are each configured to receive power to enhance air flow in the attic being ventilated, and to generate power from the air flow in the attic when not receiving power. The system further comprises at least one power source to generate power to be transmitted to the turbines. The system may further comprise at least one battery to store power generated by at least the turbines and power source. The system may further comprise at least one controller configured to control the sequence of operation of at least the turbines, the power source, and the battery. | 11-29-2012 |
| 20120322359 | MOUNTING APPARATUS FOR FAN - A mounting assembly includes a fan and a plate. The fan includes a number of locking pins. The plate defines a ventilation area corresponding to the fan. A number of securing holes are defined by the plate adjacent to a corner of the ventilation area. Two or more raised blocks are located on the plate and adjacent an edge of the ventilation area. The locking pins of the fan are slid into the securing hole and at the limit of the securing hole the raised blocks abut an edge of the fan to prevent the fan moving back out of the securing hole. | 12-20-2012 |
| 20130040553 | Hyper-aeration apparatus for attic ventilation - An aeration/ventilation device to be mounted on an aperture of a soffit may include a mounting platform to cooperate with the aperture of the soffit, a motor housing connected to the mounting platform, and a fan motor connected to the motor housing to a.) pull/draw cooler air in from the exterior of the soffit (under-eave) area of the building structure thus forcing the cooler air into the soffit interior and on into the attic space. b.) pull/draw hotter air out from the attic space into the interior of the soffit area thus forcing the hotter air out from the under-eave area of the structure. The aeration/ventilation device my use a double, single or multiple fan motors. These fan motors may be fixed to or be adjustable to the pitch angle of the roof structures. The aeration device my also include an electronic control housing to control the operation of the fan motors. The exhaust side of the motors may be fitted with adjustable air thruster device to create the effective exhaust velocity for improved air ventilation and circulation, along with a domed intake screens designed for improved air intake velocity. As well as being equipped with an intake rain guard(s). | 02-14-2013 |
| 20130137360 | VENTILATING FAN - The present invention discloses a ventilating fan including a ventilating fan body located on the indoor side, an outdoor pipe hood located on the outdoor side, a ventilating fan mounting member located between the ventilating fan body and the outdoor pipe hood, and a panel removably mounted to the front of the ventilating fan body, the ventilating fan mounting member includes a cylinder and a flange, the outdoor pipe hood includes a pipe hood base and a back cover, the pipe hood base includes a base plate with a circular opening and a pipeline fixing ring removably mounted to the base plate; and, a hollow expansion pipe being connected to the cylinder of the ventilating fan mounting member at one end and connected to the pipeline fixing ring at the other end. The present invention has advantages of easy mounting of the expansion pipe. | 05-30-2013 |
| 20140094108 | AIR CONDITIONER WITH IONIZER - The present invention relates to an air conditioner with an ionizer which comprises: an ionizer to generate ions mounted in the vicinity of an air outlet, a carrier to move the ionizer, and a controller to control the ionizer and the carrier. The controller controls the carrier to move the ionizer to an initial point when power is supplied to the air conditioner or the power is changed from turn off to turn on. The controller can control a position of the ionizer with the carrier in response to a sensing signal of a sensor which senses a position of a person. Accordingly, a range of ion diffusion can be controlled efficiently, and by making the ions to be discharged to a specific direction the user presents thereto, effective improvement of an ion effect the user feel can be improved. | 04-03-2014 |
| 20150377226 | PUMPING SYSTEM - A vacuum pumping system comprises a plurality of vacuum pumping arrangements for evacuating an enclosure and an auxiliary vacuum chamber for evacuation by at least one first vacuum pumping arrangement. The vacuum pumping system has a first state for evacuating the enclosure and a second state for conserving power consumed by the system. In a first stage of the second state the first vacuum pumping arrangement is arranged to evacuate an exhaust of at least one second vacuum pumping arrangement and in a second stage the exhaust of the first pumping arrangement is arranged to be evacuated by the auxiliary vacuum chamber. | 12-31-2015 |
| 20160025361 | AUTOMATIC ROOF VENTILATION SYSTEM - A roof ventilation system operable based on environmental parameters is disclosed. The system includes a vent, a fan, a solar panel, a battery and a controller. The vent is positioned within a field of a roof, and includes a first opening configured to allow airflow between regions above and below the roof. The fan is positioned to generate an air flow through the vent. The solar panel is positioned on the roof in a location such that the solar panel receives solar radiation. The battery is electrically connected to the solar panel. The controller is in communication with the fan, and is configured to drive the fan based on at least one environmental parameter. | 01-28-2016 |
| 20160069578 | SMOKE ELIMINATION DEVICE - A smoke eliminator device is provided. The smoke eliminator device is especially suitable for removing smoke from a room or building so as to allow a firefighter to more easily rescue individuals and extinguish fires. The device is a lightweight elongated tube which connects to a standard fire hose. Water emitted from the distal end of the device creates a suction which pulls smoke out of the room or building. A glass-breaking device is located near a distal end of the device to allow the device to easily penetrate a window wherein it may be effective. A cooling nozzle allows for the extinguishing of fire by water spray. An extension may be added to the device to allow the device to be utilized in the upper floor of a building. The device may further have a bend which allows a user to utilize the device directly below a window of an upper floor. | 03-10-2016 |
| 20220136708 | Slide-Type Range Hood - An exhaust device has a fan plenum with a fan and a jet plenum having a generally planar shape with one or more jet openings on a distal end thereof configured to create a planar jet. The jet plenum is movably attached at a proximal end thereof to the fan plenum to permit sliding movement of the jet plenum relative to the fan plenum. The fan plenum and the jet plenum each have a respective flow-transfer opening that overlaps the opening of the other, the respective openings being shaped and arranged to remain overlapped in all positions to which the jet plenum is moved relative to the fan plenum such that an interior of the fan plenum and the jet plenum remain in fluid communication to allow air to flow from the fan to flow from the fan plenum to the jet plenum. | 05-05-2022 |
| 454342000 | And having specific emergency smoke handling structure | 2 |
| 20100323607 | ENVIRONMENTAL CONTROL SYSTEMS AND METHODS OF CONFIGURING ENVIRONMENTAL CONTROL SYSTEMS - An environmental control system of a building utilizes lower vents which open into lower portions of rooms of a building, and upper vents which open into upper portions of rooms of the building. When the system is operating in a heating mode, heated air is delivered into the upper portions of the rooms through the upper vents and air is removed from the rooms through the lower vents. When the system is operating in a cooling mode, cool air is delivered into the rooms through the lower vents, and air is removed from the rooms through the upper vents. Operating the heating and cooling modes in this fashion provides the most efficient operation of the heating and cooling system. A switching unit is used to selectively couple the inlet and outlet of an environmental control system to the upper and lower vents. Alternatively, special duct units with both upper and lower openings can be attached to the inlet and outlet of an environmental control system, and the air can be selectively switched between the upper and lower openings. Also, a bypass valve and an associated bypass duct could be installed on the outlet duct of the environmental control system to vent the output air to atmosphere, which can help to clear smoke from rooms in the event of a fire. | 12-23-2010 |
| 20140199938 | APPARATUS FOR EXHAUSTING AIR - An apparatus for exhausting air from a space. The space may comprise the interior space(s) of buildings such as hospitals, enclosed shopping malls, warehouses, factories, high rise buildings, etc. The apparatus comprises at least a first discharging arrangement in the form of return and supply air ducts of an air handling unit (AHU). The apparatus also comprises a second discharging arrangement in the form of a smoke exhaust box. The return air duct is arranged to receive an air stream discharged from the space and is able to be isolated from the smoke exhaust box. Upon isolation of the return air duct, the smoke exhaust box is able to receive and discharge an air stream (e.g. a smoke-filled or contaminated air stream) from the space. | 07-17-2014 |
| 454343000 | Having specific air pump actuator | 17 |
| 20100304660 | Hybrid Solar Attic Vent - A hybrid solar attic vent comprising a housing configured to be mounted on the roof or in the gable of a building in communication with the attic of the building. A photovoltaic solar panel is positioned to be exposed to sunlight and to power the attic fan when sufficient sunlight is present. An alternative source of energy, which may be the building's AC power, is connected to the fan through an electronic control module. The control module monitors the output of the solar panel and switches the fan's power source from solar power to the alternative source of energy when the solar panel produces insufficient electrical energy to power the fan. A thermostat allows operation of the fan by the alternative power source only when the temperature in the attic is above a predetermined threshold. | 12-02-2010 |
| 20110021134 | MULTI-FUNCTION VENTILATION AND ELECTRICAL SYSTEM - A system includes a turbine positioned above an opening on a building structure, wherein the turbine is configured to create a low pressure area in the building structure as a result of a rotation of the turbine. The system further comprises an electrical generator configured to convert wind power acting on the turbine into electricity. A battery may be configured to store the electricity, wherein the electric generator is further configured to drive the turbine to rotate. | 01-27-2011 |
| 20110053488 | CONTROL SYSTEM FOR EXHAUST GAS FAN SYSTEM - Systems and methods for controlling an exhaust gas fan system. The control system may control one or more components of the exhaust system to optimize system performance and improve energy efficiency. The control system may be designed to maintain a substantially constant pressure in the exhaust header and provide a substantially constant flow through the exhaust fans. The control system may include software and hardware that allow the control system to control one or more of: modulation of one or more by-pass dampers; adjustment of the nozzle outlet area; varying the speed of the fans; the number and staging of fans. By utilizing and controlling one or more of these functions, the amount of energy being used may be minimized/optimized. | 03-03-2011 |
| 20110183599 | UNINTERUPTABLE POWER SUPPLY ENCLOSURE AND BATTERY LOCKER - An enclosure, which includes a box portion having a top wall, the top wall having at least one fan and at least one baffle; and a lid portion, which fits over the top wall of the box portion and creates at least one passage extending along a front wall and/or a back wall of the enclosure to allow airflow from within the box portion of the enclosure. | 07-28-2011 |
| 20120178357 | SOLAR-POWERED FAN THAT FITS INSIDE NEW AND/OR EXISTING ROOF VENTS - A solar powered fan kit for installation in a roof vent. The solar powered fan kit includes a fan attached to a fan bracket. The fan bracket is shaped to fit within a groove in the roof vent. A solar panel is attached to the vent hood to supply power to the fan. A plurality of flexible clips secure the solar panel to the vent hood. | 07-12-2012 |
| 20120190294 | INDOOR AIR QUALITY SYSTEM AND METHOD - An indoor air quality system and method for a building. In an embodiment, the system includes a plurality of exhaust fans and a plurality of controllers. The exhaust fans each have a predetermined exhaust rate. The controllers are configured to monitor an actual volume of air exhausted by the indoor air quality system, and to automatically operate the exhaust fans to exhaust a desired volume of air during a time period. In an embodiment, the method includes setting parameters in a plurality of controllers, communicating to the controllers an operating state of the fans, determining a time at which to energize the fans such that the volume of air to exchange during the time period is exchanged during the time period, and energizing the fans at the determined time. | 07-26-2012 |
| 20120252348 | SOLAR-POWERED RIDGE VENT FAN UNIT - A solar powered fan kit is provided for installation in a roof and in the ridge of the roof. The solar powered fan kit includes a fan attached to a fan bracket. The fan bracket is configured to be suspended from a roof within a ridge vent of the roof. A solar panel is attached to the roof to supply power to the fan. | 10-04-2012 |
| 20120302154 | SOLAR POWERED VENT FAN SYSTEM AND KIT OF PARTS - In one aspect, the invention is directed to a kit of parts for a solar powered vent fan system for use in transporting air through a vent aperture (eg. a roof vent aperture) of a building. The kit of parts includes a motor/fan assembly, a motor/fan assembly mounting plate, a solar panel and a solar panel mounting structure. The motor/fan assembly mounting plate is configured to receive the motor/fan assembly and to substantially cover the vent aperture. The motor/fan assembly mounting plate includes a motor/fan assembly aperture to permit air to be transferred through the motor/fan assembly as a result of operation of the motor/fan assembly. The solar panel is connectable electrically to the motor/fan assembly to power the motor/fan assembly. The solar panel mounting structure is for mounting the solar panel in a suitable position to receive solar energy. | 11-29-2012 |
| 20130178146 | AUTO-VENTILATED OUTERWEAR - An outerwear clothing article is disclosed. The outerwear clothing article may have an outer shell and at least one vent forming a passage through the outer shell. The at least one vent may have a closure element movable between a first position at which flow through the vent is substantially unrestricted, and a second position at which flow through the vent is restricted by the closure element. The outerwear clothing article may also have a sensor configured to generate a signal indicative of a temperature inside the outer shell, and an actuator controllable to move the closure element between the first and second positions based on the signal. | 07-11-2013 |
| 20130225065 | MOBILE COMMUNICATION DEVICE AND METHOD FOR EXHAUSTING HEAT THEREFROM - A mobile communication device includes a heat transfer path to transfer heat generated in the mobile communication device to a heat exhaust component, in which the heat exhaust component generates air flow to exhaust heat out of the mobile communication device. | 08-29-2013 |
| 20130281004 | Safety System For Detection And Elimination Of Toxic Gases - There is provided a safety system comprising at least one gas detector for detecting presence and concentration of at least one toxic gas inside the target space and for generating corresponding analog signals; (2) an analog-to-digital converter (ADC) connected to the at least one gas detector for converting the analog signals into digital signals; (3) a controller connected to the ADC for receiving the digital signals and generating commands as a function of pre-programmed instructions; (4) at least one exhaust fan connected to the controller for receiving the commands and operating as a function thereof for exhausting the at least one toxic gas outside the target space; and (5) at least one draught fan connected to the controller for receiving the commands and operating as a function thereof for generating a flow of air inside target space. | 10-24-2013 |
| 20140206278 | AUTOMATED FRESH AIR COOLING SYSTEM - Embodiments of the present disclosure are directed to an automated fresh air cooling system. The automated fresh air cooling system can include a whole house fan, an air intake, an air conditioner, and at least one controller. The controller can adjust the usage of the different components of the fresh air cooling system in order to reduce overall energy consumption as well as cost to a consumer. The system can be completely automated and no user input is required. | 07-24-2014 |
| 20140235158 | AUTONOMOUS VENTILATION SYSTEM - An autonomous ventilation system includes a variable-speed exhaust fan, a controller, an exhaust hood, and an infrared radiation (“IR”) sensor. The exhaust fan removes air contaminants from an area. The controller is coupled to the exhaust fan and adjusts the speed of the exhaust fan. The exhaust hood is coupled to the exhaust fan and directs air contaminants to the exhaust fan. The IR sensor is coupled to the controller, detects changes in IR index in a zone below the exhaust hood, and communicates information relating to detected changes in IR index to the controller. The controller adjusts the speed of the exhaust fan in response to information relating to detected changes in IR index. The autonomous ventilation system also includes an alignment laser to indicate a point at which the IR sensor is aimed and a field-of-view (“FOV”) indicator to illuminate the zone in which the IR sensor detects changes in IR index. | 08-21-2014 |
| 20150147956 | CONTROL MEANS OF CENTRAL FLOW SYSTEM AND CENTRAL FLOW SYSTEM - The present invention relates to a control means for a channel connectable to a central flow system configured to create an underpressure or overpressure in the channel. The control means is configured to increase or decrease the flow resistance in the channel. The control means is further configured to reduce flow resistance when the flow in said channel falls below a preset flow and to increase the flow resistance when the flow in said passage exceeds the said preset flow. | 05-28-2015 |
| 20150316030 | HYBRID VENTILATOR - A ventilator ( | 11-05-2015 |
| 20150316280 | HYBRID VENTILATOR - A ventilator ( | 11-05-2015 |
| 20160010886 | Concealed Housing For A Solar Powered Attic Fan | 01-14-2016 |
| 454344000 | Pump induces draft in exit duct | 2 |
| 20130137361 | VENTILATING FAN - The present invention discloses a ventilating fan mounted on a wall of an indoor side of a wind path therethrough from the indoor side to an outdoor side. The ventilating fan includes a ventilating fan hood, a filtering member, a ventilating fan body, and a ventilating fan mounting member. The filtering member is integrally formed by a frame provided with an engagement that is engaged with the ventilating fan body and a filtering screen located within the frame. The ventilating fan according to the present invention has the advantages that the filtering member can be fixedly mounted to the ventilating fan body in a simple structure manner without using fasteners such as screws, so as to facilitate the operation and save the working time. Moreover, the filtering member is not blown off to fall off when the ventilating fan hood is removed. In addition, the mounting of the filtering member in a reverse order is eliminated. | 05-30-2013 |
| 20140323033 | ROTOR VENTILATOR - The invention disclosed is a rotor ventilator which includes a base to which a shaft is connected to extend upwardly therefrom and a rotor. The rotor is rotatable about the shaft and includes a plate and a plurality of vanes extending downwardly therefrom. Also included is a bearing means for supporting the rotor on the shaft. The bearing means is located at the plate, above the centre of gravity of the rotor. | 10-30-2014 |
| 454346000 | Having vibration absorbing or preventing structure | 1 |
| 20090004966 | Ventilating Exhaust fan and Outlet Fitting Assembly - A ventilating exhaust fan and outlet fitting assembly includes a ventilating exhaust fan and an outlet fitting. A packing protrusion is interposed between a ventilating exhaust fan and an outlet fitting of the assembly, and thereby the conventional issues of vibration and noise due to an unwanted gap existed between ventilating exhaust fan and the outlet fitting are effectively overcome. | 01-01-2009 |
| 454347000 | Having readily movable air regulating louver,damper, or cover | 16 |
| 20130337737 | COMPRESSED GAS CYLINDER CABINET WITH REGULATED EXHAUST CONTROL - A gas cabinet and a method of controlling air flow through said gas cabinet. The gas cabinet includes an enclosure; a damper having at least two flow rate positions; an exhaust outlet; a set of sensors; and a programmable logic controller configured to change a flow rate position of the damper from a first flow rate position to a second flow rate position based on the state of the sensors. The method includes using the damper to lower the amount of exhausted air required under normal operating conditions and using the damper to increase the amount of exhausted air when a possible gas leak is detected. | 12-19-2013 |
| 20140030976 | VENT DIVERTER - An apparatus for diverting air discharged from a forced air vent comprises a sheet of flexible material extending between front and rear edges and first and second side edges, the first and second side edges and the rear edges being securable to corresponding edges of the vent, wherein the front edge is free from the vent and movable between a resting position adjacent to the vent and a raised position when air is discharged through the vent. | 01-30-2014 |
| 20140127987 | ENERGY SAVING-EXHAUST CONTROL AND AUTO SHUT OFF SYSTEM - An energy-efficient ventilation system comprises a ventilation fan, ductwork, system controller, and a plurality of ventilation points, each comprising a damper, a differential pressure sensor, a ventilation point controller, and a fume detector. When a ventilation point does not require ventilation, a signal is sent to the system controller to reduce the ventilation fan speed thereby using only as much energy as is needed to provide service to the ventilation points that need ventilation. The fume detector, damper, and differential pressure sensor for each ventilation point are used to determine whether ventilation is needed at a ventilation point and to control the ventilation point accordingly. | 05-08-2014 |
| 20150038070 | VENTILATION SYSTEM AND METHOD - Embodiments of the invention provide a ventilation assembly including a scroll assembly that can include a blower assembly including a motor coupled to a blower wheel. Some embodiments include a discharge grid capable of being coupled to the scroll using a coupling pin or snap tabs. In some embodiments, the discharge grid includes a plurality of vertical and horizontal fins, and an outlet restriction. In some embodiments, at least one of the plurality of horizontal fins extends from the outlet restriction to couple with at least one vertical fin to form an aperture. In other embodiments, at least a portion of at least one of the plurality of vertical and horizontal fins includes a flared surface. Some embodiments include a scroll assembly that includes a scroll crescent. In some embodiments, a scroll including a discharge grid and scroll crescent can at least partially guide a fluid within the ventilation assembly. | 02-05-2015 |
| 20220136718 | Roof Vent Cage Assembly - A roof vent cage assembly includes a first screen that is formed into a cylinder to surround a powered roof vent on a building. The first screen is comprised of a mesh material to inhibit an animal to pass through the first screen. A second screen is coupled to the first screen such that the second screen is positioned over the powered roof vent when the first screen is positioned around the powered roof vent. The second screen is comprised of a mesh material to inhibit an animal from passing through the second screen. A plurality of flange screens is each coupled to and extends outwardly from the first screen to rest on the powered roof vent when the first screen is positioned around the powered roof vent. | 05-05-2022 |
| 454348000 | Continuously horizontal damper panel | 2 |
| 20160169237 | PROTECTIVE COVER ASSEMBLY FOR AIR-MOVING ASSEMBLY | 06-16-2016 |
| 20190150320 | PROTECTIVE COVER ASSEMBLY FOR AIR-MOVING ASSEMBLY | 05-16-2019 |
| 454349000 | Ceiling mounted air pump | 3 |
| 20090170421 | GRILLE - The present invention provides, among other things, an exhaust vent fan including a housing having an inlet through which air is received within the housing and an outlet through which the air exits the housing, a fan wheel supported in the housing and operable to generate a flow of the air out of the outlet, a louvered first grille positioned across the inlet, a heating element supported in the housing, and a second grille supported on the housing and being moveable relative to the first grille while the first grille is secured to the housing to direct a heated air flow from the heating element out of the housing. | 07-02-2009 |
| 20160054015 | 70 CFM BATH VENTILATION FANS WITH FLUSH MOUNT LIGHTS AND MOTOR BENEATH BLOWER WHEEL - Apparatus, systems and methods of generating | 02-25-2016 |
| 20160076789 | DECORATIVE PANEL AND AIR-CONDITIONER INDOOR UNIT PROVIDED WITH SAME - Disclosed herein is a decorative panel for a ceiling-mounted indoor unit of an air conditioning device, and the panel is configured to improve the design of a suction grill without increasing the number of manufacturing process steps. The decorative panel includes: a panel body having a suction port; and a suction grill attached to the suction port of the panel body. The suction grill has a grill body which is formed in the shape of a grid to have a large number of suction holes and is positioned over the suction port. A large number of recesses are formed in a lower surface of the decorative panel so as to be arranged along, and to surround, the grill body. | 03-17-2016 |
| 454350000 | Wall mounted air pump | 1 |
| 20130072105 | VENTILATING FAN - A ventilating fan includes a sirocco fan disposed in a box-shaped body and an adapter connected to an air outlet of the sirocco fan. The sirocco fan is composed of two opposite scroll plates with scroll shapes and a casing plate sandwiched between the two scroll plates. An overall air inlet of the sirocco fan is disposed on the first scroll plate and a central line of the air outlet of the adapter is offset towards the second scroll plate. The present invention is advantageous in that no turbulence is generated at the adapter and the wind amount of the ventilating fan is thus ensured and noise is reduced. Therefore, the present invention can provide a small air blowing device with high efficiency and improve stability of performance of the product. | 03-21-2013 |
| 454353000 | Including backdraft preventer | 5 |
| 20120149293 | Extraction Fan Assembly for an Animal Husbandry Barn - An animal barn includes air inlets which are filtered to extract pathogens and a plurality of extraction fans for generating an air stream so as to draw replacement air into the containment area through the air inlets. Each fan has a housing mounted in a wall with an outlet duct extending through the wall to an outlet opening outside the wall. A damper flap is mounted on the fan suspended by a hinge at an upper edge so as to extend in a closed position across the opening in a mounting plate. The damper flap is movable to an open position under forward air flow from the fan and closes against a resilient deformable seal to seal the damper flap to prevent reverse flow of pathogen contaminated air through the fan housing when the fan is shut off. An adjustable abutment member can act to hold the flap partly open against opposing wind forces during low fan operation. | 06-14-2012 |
| 20120149294 | Extraction Fan Assembly Including a Damper that Closes Firmly when the Fan is Not Running and Reduces the Pressure Drop when the Fan is Running at Full Speed - An extraction fan has a housing mounted in a wall with an outlet duct extending through the wall to an outlet opening outside the wall. A damper flap is mounted on the fan suspended by a hinge at an upper edge so as to extend in a closed position across the opening and is movable to an open position under forward air flow from the fan, and tightly closes against a resilient deformable seal when the fan is shut off. A spring biasing cam applies inwards force to the damper flap to bias the damper flap into the closed position, and an outwards force also to bias the damper flap into the fully open position. The mounting plate includes a hood having a top wall extending over the top of the damper flap and a down-turned front flange extending parallel to the damper flap to a bottom edge. | 06-14-2012 |
| 20140170961 | Method for Controlling Air Flow of an Extraction Fan - An extraction fan has a housing mounted in a wall with an outlet duct extending through the wall to an outlet opening outside the wall. A damper flap is mounted on the fan suspended by a hinge at an upper edge so as to extend in a closed position across the opening and is movable to an open position under forward air flow from the fan, and tightly closes against a resilient deformable seal when the fan is shut off. A spring biasing cam applies inwards force to the damper flap to bias the damper flap into the closed position, and an outwards force also to bias the damper flap into the fully open position. The mounting plate includes a hood having a top wall extending over the top of the damper flap and a down-turned front flange extending parallel to the damper flap to a bottom edge. | 06-19-2014 |
| 20140287675 | Extraction Fan Assembly Including a Damper that Closes Firmly when the Fan is not Running and Reduces the Pressure Drop when the Fan is Running at Full Speed - An extraction fan has a housing mounted in a wall with an outlet duct extending through the wall to an outlet opening outside the wall. A damper flap is mounted on the fan suspended by a hinge at an upper edge so as to extend in a closed position across the opening and is movable to an open position under forward air flow from the fan, and tightly closes against a resilient deformable seal when the fan is shut off. A spring biasing cam applies inwards force to the damper flap to bias the damper flap into the closed position, and an outwards force also to bias the damper flap into the fully open position. The mounting plate includes a hood having a top wall extending over the top of the damper flap and a down-turned front flange extending parallel to the damper flap to a bottom edge. | 09-25-2014 |
| 20160131392 | GOOSENECK STYLE VENT - A goose neck style vent has a base that registers with a surface opening of a building, and upstanding walls which form a portion of a curved air flow pathway above the vent opening. A top portion of the vent registers with the base to complete the curved air flow pathway and define an air outlet opening. The top includes a screen that hinges to cover the air outlet opening. A flapper valve is positioned across the curved air flow pathway and is hinged to the base at one end. The opposite free end of the flapper valve is urged to a closed position by gravity and to an open position by air pressure from below. An upstanding air deflecting baffle extends above the free end of the flapper, and limits air gusts passing through the screen and under the free end of the flapper valve. | 05-12-2016 |
| 454354000 | Ceiling or wall mounted | 11 |
| 20080261508 | Exhaust system with easy installation - An exhaust system with easy installation includes an exhaust fan housing unit, a panel module and a motor module installed within the housing unit. The motor module at least includes a motor, a vane wheel, a volute and a motor fixed plate. A clip-in connecting unit is provided at the inner sidewall of the housing unit for fixing the motor module to the housing unit by moving horizontally to a settled position where the clip-in connecting unit is fixed to a support plate of the motor module. The clip-in connecting unit can be bulges or check flakes. Because the positioning method of moving horizontally is adopted, the size of the exhaust fan housing unit is economically minimized in comparison to the traditional evolving style installation. | 10-23-2008 |
| 20080299891 | Exhaust system with installation panel - A ventilating exhaust fan including a housing unit, a motor module, a panel module, and an exhaust assembly is provided. The exhaust assembly fixed on a side surface of the housing unit is improved by replacing single piece stopping flake with two-piece stopping flakes in order to reduce air flow friction, thereby overcoming the shortcoming of existing technique of stopping flake which, relying on gravity for reposition, gives rise to larger air flow friction. Furthermore, the noise of the existing pipeline exhaust fan is also reduced by adopting the methods of injection molding of motor module with volute as one entity, and by adhering to volute bottom sponge layer, which in turn is adhered to the base plate of exhaust fan housing. | 12-04-2008 |
| 20080318515 | VENTILATION EXHAUST FAN - A ventilating exhaust fan has a housing having a top, four sides, and an open bottom forming an air inlet. An exhaust outlet is located in one of the sides. A motor is housed within the housing and a fan is connected to the motor. The exhaust fan is mountable within an opening in a surface. The sides of the housing have a plurality of slots through which restraints can be inserted in order to connect the housing to the surface. | 12-25-2008 |
| 20090130970 | EXHAUST FAN AND METHOD OF OPERATING THE SAME - The present invention provides an exhaust fan including a ventilation grille having a plurality of louvers extending across an exterior face of the grille. Two of the louvers can define an opening and can be oriented such that the interior of the fan is obscured from view of a person through the opening, when the person is positioned in the room such that the person's eyes are outside an area of the room defined by a first reference plane oriented at an angle of less than 25 degrees with respect to a second reference plane and intersecting the second reference plane along a horizontal reference line and a third reference plane oriented at an angle of less than 25 degrees with respect to the second reference plane and intersecting the second reference plane along the horizontal line. | 05-21-2009 |
| 20090191809 | STRUCTURE VENTILATION SYSTEM AND METHOD - A ventilation system having a cylindrical reducer, a pair of adjustable structural supports and a ceiling electrical box concentrically mounted to the structural supports. The electrical box is configured to support the weight of a ceiling fan assembly. The pair of adjustable structural supports include a first member and a second member that pass through the reducer. The members are hollow so that a first slidable strut extends from within a first end of the first member to a desired length and the second slidable strut extends from within an opposing second end of the first member to a desired length. Similarly, second member is hollow so that a third slidable strut extends from within a first end of second member to a desired length and fourth slidable strut extends from within an opposing second end of second member to a desired length. | 07-30-2009 |
| 20110053489 | Exhaust system - An exhaust system includes an exhaust fan having a frame within which fan blades and a motor are secured. The frame includes an upper sidewall, a bottom sidewall, a first lateral sidewall and a second lateral sidewall, defining an inlet opening and an outlet opening on opposite sides of the frame. A flexible exhaust boot is secured to the frame of the exhaust fan adjacent the outlet opening. The exhaust boot is a flexible piece of material having a substantially tubular configuration with a first end having an opening and a second end having an opening. A support assembly secures the exhaust fan and exhaust boot in position adjacent an opening. The support assembly includes a vertical bracket having a first end and a second end, and an outwardly extending support block is mounted at the first end of the vertical bracket. The support assembly also includes a horizontal bracket extending substantially perpendicular to the vertical bracket. The horizontal bracket is shaped and dimensioned to pass through a connection opening in the second end of the vertical bracket, and the horizontal bracket includes first end and a second end. The first end of the horizontal bracket extends outwardly from the same side of the vertical bracket as the support block. A strap is selectively connected to the exhaust fan. | 03-03-2011 |
| 20120329381 | Ventilation Device - A ventilation device includes an impeller rotatable to move air from an air inlet end to an air outlet end of the impeller. An opening is defined in a rear end of the housing. The rear end of the housing is fixed to the air inlet end of the impeller. The housing includes a hemispherical wall defining an interior space. The hemispherical wall has a plurality of annularly spaced and a plurality of annularly spaced outer holes, with the inner holes spaced from the outer holes in a radial direction. A plurality of tubes is formed on an inner face of the semispherical wall, with each tube extending from a corresponding one of the inner and outer holes into the interior space but spaced from the rear end of the housing. | 12-27-2012 |
| 20130017775 | Hinge Assembly For Supporting A Fan On A Roof - A buttressed hinge assembly or a flexible hinge assembly adjusts to fit a vent on a wall or a roof in order to hold a fan thereon, which fan is especially suitable for a restaurant roof or wall. The hinge assembly attaches to a roof or wall vent to hold the fan in a proper position, yet permits the fan to be easily moved for cleaning of vent and the fan. | 01-17-2013 |
| 20130143481 | CEILING-EMBEDDED VENTILATION FAN - In a ceiling-embedded ventilation fan, a connection opening is formed in a side surface of a circuit case, an upper part of the connection opening and a side surface of the circuit case are covered with a shade, a bottom part of the shade is arranged at a position lower than an insertion hole of the connection opening, a drain board is arranged under the insertion hole in a frontal view of the insertion hole viewed from an end face of the shade in parallel with the top surface, and the drain board has a downward slope from a side of the connection terminal to a side of the power supply electric wire. | 06-06-2013 |
| 20150362203 | Soffit Vent - A soffit vent is provided. The soffit vent includes a housing having a front portion and a rear portion forming an interior volume. The housing is configured to be placed against a soffit of a house and provides air communication from an exhaust fan via an air duct to the ambient environment. The front portion includes an air outlet port and the rear portion includes an air inlet port that is attached to the air duct to provide air communication to the ambient environment. The front portion is telescopically received by the rear portion to form an adjustable length that allows a user to extend the adjustable length beyond a far edge of the soffit. In this way, warm, moist air is dispersed away from the soffit by the air outlet port in order to prevent the same air from being drawn back in. | 12-17-2015 |
| 20160252263 | HINGE ASSEMBLY FOR SUPPORTING A FAN ON A ROOF | 09-01-2016 |
| 454355000 | With movable access cover | 1 |
| 20130023199 | FAN ASSEMBLY - A fan assembly includes a bracket, a fan and a cage. The bracket includes a ventilation plate. The fan is received in the bracket and secured to the ventilation plate. The cage is received in the bracket and secured to the fan. The cage defines an opening and includes a plurality of pieces rotatably received in the opening. The plurality of pieces cover the opening. The cage further includes a plurality of limiting pieces extending from an inner surface of the opening. The pressure of moving air from the fan is capable of rotating the plurality of pieces, but any over-rotation of the plurality of pieces is prevented by the plurality of limiting pieces. | 01-24-2013 |
| 454356000 | Having exterior neck with enlarged, weather resistant cover | 1 |
| 20130295837 | Apparatus to prevent damage to a gaseous fluid (radon) mitigation system's fan and monitor the system's performance to assure efficient operation - A radon exhaust system comprising an exhaust side with a vent housing, a diagnostic bypass filter apparatus providing observation windows, a removable observation window, internal ice and object filter, internal ribbon flow indicators, internal water gutter with drain spout, an exhaust fan and a suction side coupled together to form a conduit through which gaseous fluid may be conveyed. The diagnostic bypass filter apparatus provides an enlarged elliptical air passage bulge and angular bend configuration having three observation windows, a fourth removable observation window, an internal ice and object filter, ribbon flow indicators, and an internal water gutter with drain spout for providing protection of the exhaust fan from falling ice, water and objects and visual inspection for flow in the exhaust system and access to the filter for cleaning. | 11-07-2013 |
