Matches 1 - 50 out of 51 1 2 >


Match Document Document Title
US20140148090 AIR DUCT  
An air duct includes a board defining an opening and a number of spaced plates pivotably mounted to the board along a lengthwise direction of the opening. Each plate defines a cutout in a first...
US20120289145 DUCT COVER  
A temporary duct cover for use in an HVAC installation processes. The temporary duct cover having a filtration portion and a closure member. The filtration portion being made from material which...
US20140185237 Opacity Baffle to Prevent Viewing of Internal Structures in Secure Electronic Equipment  
An opacity baffle is disclosed that can be permanently secured to the back face of an electronic apparatus to cover ventilation openings or other openings that render the apparatus visually...
US20140106661 ADJUSTABLE ROOF VENT  
A passive vent for venting a building enclosure having an opening in a roof portion, the vent being adjustable for mounting on roof portions of different slopes. The vent has a base pivotally...
US20080254735 Air flow control device with very tight close off  
An air flow control device consisting of air foil designed vanes for accurate modulation of the air into and out of a space. This damper includes end seals in which the ends of the air foil...
US20110134605 HEAT-DISSIPATING HOLE MECHANISM CAPABLE OF ADJUSTING AIRFLOW RATE AND PORTABLE COMPUTER DEVICE THEREOF  
A heat-dissipating hole mechanism includes a vent structure and an adjusting pad. An opening is formed on the vent structure. The vent structure is used for guiding airflow from a fan to pass...
US20100227545 Air vent outlet cover and filter  
This invention relates generally to an air vent outlet filter and cover and more particularly to an air vent filter and cover that adheres to the air vent outlet and that performs multiple...
US20120036873 Low Ambient Cooling Kit for Variable Refrigerant Flow Heat Pump  
Systems and methods for low ambient air temperature cooling in air-source based heat pump systems wherein an outdoor heat pump unit includes a discharge hood positionable over its fan. The hood...
US20100297928 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...
US20130334325 STANDOFF FOR USE WITH AN INSULATED HVAC DUCT  
An illustrative damper system includes a damper blade, a damper actuator, and a standoff, where the standoff may be configured for use with an insulated duct having an outer surface of the duct,...
US20090098815 USER SPECIFIC CLIMATE CONTROL SYSTEM  
A climate control system is provided with a control vent unit that a driver may adjust for a desired direction of airflow. After the driver does so, a control system automatically and/or...
US20090215375 Fan Assemblies, Mechanical Draft Systems and Methods  
Fan assemblies, mechanical draft systems and methods are provided. In this regard, a representative mechanical draft system for use with multiple appliances includes: a chimney operative to direct...
US20110269391 CEILING VENT DIFFUSER  
A device for altering the airflow pattern from a ceiling vent diffuser by obstructing openings in a region of the diffuser. The device comprises a flexible member that is secured to a diffuser...
US20090023376 DAMPER FOR POSITIVE PRESSURE AIR CLEANER  
The invention is a damper that closes off supply duct air when the unit is off to prevent air from exiting through the outlet, and opens when the unit is on to allow room air and/or supply duct...
US20090298405 LOW AIRFLOW EXHAUST CANOPY FOR BIOLOGICAL CABINETS  
A canopy for a biological cabinet includes a plurality of openings, referred to as ports, covered by air dampers and designed to open and close as needed to reduce an overall volume of air...
US20140065946 Dormer Roof Vent  
A roof vent is provided comprising a base with an opening for air inlet/outlet, wherein the base opening may have raised venting edges. The base is connected to a cover over the base opening...
US20100107993 ENERGY EFFICIENT INDUCED AIR GAS WATER HEATER  
An energy efficient induced air gas water heater includes a water tank; a flue associated with the water tank; a burner that combusts a mixture that creates combustion products that pass through...
US20150219359 INDOOR UNIT OF AIR CONDITIONER  
An indoor unit of an air conditioner includes a casing (1) defining a receiving cavity (10), a heat exchanger (2) and a fan (3) disposed in the receiving cavity (10) respectively, and a panel (4)...
US20150198343 VALVE FOR ROOF VENT  
A valve allows for drainage of gases while preventing backflow of gases from a drainage system through the valve. A drain can have a first, sealed position in which a component of the valve seals...
US20130072102 Make-Up Air Intake System  
An embodiment make-up air system includes a switch assembly including a housing configured to be mounted to an exhaust air duct, a rod pivotally mounted to the housing, the rod having a paddle...
US20150133042 Vent Apparatus For Electrical Enclosure  
An improved vent apparatus that is usable with an electrical enclosure includes a vent flap that is movable between a closed position overlying an opening formed in a wall of the electrical...
US20090124191 Stack damper  
A damper comprising a duct defining an air flow path, opposing damper blades pivotally mounted within the duct, each damper blade having an end that is pivotally mounted in cantilevered fashion in...
US20100073868 Airflow Damper That Accommodates A Device  
An airflow damper Is provided, the airflow damper includes a resilient body having a fixed end and a free end. In a default state, the free end extends to restrict airflow. In a device...
US20110143643 Vent port for a refrigerated cabinet  
The vent port employs a pair of mated housing parts that define a space for two criss-crossed flap valves. Each flap valve is formed of an aluminum bracket with an aperture for the passage of air...
US20070218833 Supply Air Device With a Filter Bag Including an Interconnection Between the Filter Bag and a Branch Connected to the Supply Air Conduit  
Supply air terminal device for a ventilation duct network, comprising a flexible bag (20) of filter material, which with the neck (21) thereof is releasably mounted on a pipe socket (1), which...
US20100130121 AIR INTAKE SWITCHING DEVICE FOR PORTABLE AIR CONDITIONER  
An air intake switching device for a portable air conditioner has a housing with multiple grid holes, at least one switching panel being mounted on the housing and at least one switching assembly...
US20090149124 Variable position low profile shutter valves  
A method of mixing air in an HVAC system includes the step of simultaneously and differentially rotating the valve plates different degrees of rotation to differentially control air flowing in the...
US20090280737 EXHAUST VENT ARRANGEMENT AND METHOD OF OPERATING THE SAME  
An exhaust vent assembly for a structure. The exhaust vent assembly can include a base supportable adjacent to the structure and having a raised rim defining an outlet of an exhaust flow channel...
US20090090125 AIR-CONDITIONER, METHOD OF CONTROLLING AIR DIRECTION OF AIR-CONDITIONER, AND METHOD OF CONTROLLING ACTUATOR  
A control device 15 includes: a target area deciding unit 21 for setting either of binary values of 0 and 1 to plural area sections and deciding a targeted area section for air-conditioning; and...
US20090227198 SMOKE AND HEAT EXHAUST VENTILATOR  
The present invention provides a smoke and heat exhaust ventilator, which includes a pedestal, a diversion cover and a horizontal fan blade. The pedestal is provided with an assembly portion and...
US20090029643 Pressure relief valve for structure  
A pressure relief valve for structure. A valve with a spoiler around its edge sits in a valve seat around a structure valve aperture, and is spring-loaded into a closed position. Storm wind...
US20120243900 VENTILATING DEVICE AND METHOD FOR VENTILATING A HOUSING  
A ventilating device for ventilating a housing, includes first and second blowers, a flow chamber with an inlet opening, an outlet opening, and an equalization opening connecting the flow chamber...
US20090036046 Air Duct Outlets Having Porous Material Coverings  
An air duct outlet includes a housing that defines an air passageway with an inlet and outlet, and a porous layer of material that overlies the air passageway outlet and hides the air duct outlet...
US20110028082 DRIVE MECHANISM FOR A DOWN DRAFT VENT SYSTEM  
A drive mechanism for a down draft vent system comprising a vertically directed, retractable open framework, which can be moved between an extended position and a lowered position by means of a...
US20120088445 Air distribution unit  
An air distribution unit comprising a housing having a receiving chamber, said receiving chamber is in communication externally and internally of said housing, a first air exhaust duct in said...
US20110183600 AIR CHECK VALVE SYSTEM AND METHOD OF MOUNTING SAME  
An air check valve system configured to be mounted for fluid communication with a fan can include a ring having a generally circular inner diameter that defines an air passage through a plane of...
US20100029195 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...
US20090253367 End seal for damper blades  
End caps are attached to the end of each blade of a damper. When in the closed position, the end caps seal the space between the blade and frame. Sealing fins may extend from the end cap to...
US20090191495 Apparatus and method for controlling a damper in a gas-fired appliance  
A damper mechanism for a gas-fired appliance is disclosed. The damper mechanism is mechanically operated in response to changes in pressure within a portion of the appliance. Changes in gas...
US20100011799 AIR OUTLET STRUCTURE OF AIR CONDITIONER  
A thin air outlet structure to a vehicle compartment exhibiting excellent directivity while ensuring sufficient volume and velocity of air conditioning air stream. In the air outlet structure 10,...
US20150223556 VENTING TRAP AND METHOD OF USE THEREOF  
The application relates to a flame blocking venting trap (FBVT) adapted to vent a protection footwear, the FBVT comprising a proximal layer; a central venting layer superposed to the proximal...
US20090241576 Interior Panel of Air Conditioner and Air Conditioner  
In order to give a simple appearance design to an interior panel (10) for an air conditioner (1) of the type having a couple of juxtaposed air inlet (11) and air outlet (12) and to eliminate the...
US20070294985 METHOD AND APPARATUS FOR REMOVING CONTAMINATES FROM AIR  
A filter assembly comprising a housing having an air inlet and an air outlet and a filter chamber disposed between the inlet and the outlet, the housing having an air flow path there through. A...
US20090029642 Damper assembly  
A damper assembly, comprising: a support means defining a plurality of (air) openings; damper means mounted or connected to the support means in relation to the openings for the periodic closure...
US20060172695 Wall-mounted exhaust vents  
Vent for a duct terminating proximate a wall of a structure including a first member adapted to be connectable to the wall in engagement with the duct and a second member connected to the first...
US20110053483 EXHAUST APPARATUS, SYSTEM, AND METHOD FOR ENHANCED CAPTURE AND CONTAINMENT  
A ventilation exhaust intake device is located at ceiling level of a production space and has a low profile form with combination of vertical and horizontal jets. Recesses and other feature are...
US20140342657 AIR VENT  
An air vent having a housing, a first control element and a second control element, wherein the housing forms a flow passage, wherein the first control element is supported on the housing so as to...
US20100159821 EXHAUST WALL CAP VENT SLEEVE UNIT  
An exhaust vent apparatus provides a wall vent sleeve including a rear opening and a front opening, and a moveable damper disposed within the wall vent sleeve at a recessed position from the front...
US20100323607 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....
US20160238274 Ventilating baseboard grille for use after a flooding  
A ventilating baseboard grille for use after a flooding has a longitudinal grille and a front element sized to entirely cover the grille such that a backside of the front element comprises...

Matches 1 - 50 out of 51 1 2 >