Matches 1 - 50 out of 111 1 2 3 >


Match Document Document Title
US20130029583 Wall hanging air conditioner  
A wall hanging air conditioner comprises a panel (1) provided with an air outlet (10) and an air sweep blade mechanism (3). The swing blade mechanism (3) is mounted at a lower portion (102) of the...
US20150153063 AIR CONDITIONING INDOOR UNIT  
An air conditioning indoor unit includes a casing having an air outlet, a horizontal blade, a Coanda blade and a control unit. The horizontal blade changes an up and down direction flow of outlet...
US20090209195 AIR FLOW CONTROL MECHANISM AND METHODS  
The invention relates to a method and mechanism to control air flow through an air handling system. In one aspect, a flow control device for use in an air handling system is provided. The device...
US20130331024 Retrofit Flap Damper Assembly System for Cone Type Damper Variable Air Volume Boxes  
A retrofitting flap damper assembly system for cone type damper variable air volume (VAV) boxes includes specifically modified mounting hardware to secure a flap damper assembly inside an existing...
US20130095745 AIR CONTROL MODULE  
A damper blade is moved within an air control module connected to the discharge of a high-velocity blower, thereby modulating the electric power consumption of the blower motor.
US20120028564 VENT  
A vent comprises a vent body (1) having at least one air flow channel through the body between a front face and a rear face (2) of the body. At least one float controlled flap valve (13) is...
US20100178863 Air flow control damper with linear performance characteristics comprising an air foil control blade and inner annular orifice  
An air flow control damper consisting of either a tubular or rectangular casing, an internal annular orifice and within the orifice a rotatable circular or rectangular blade with an air foil...
US20150031282 Low-Resistance, Discharge-Vent Soffit Frame  
One version of the invention is a low-resistance, discharge-vent soffit frame. The inventive frame is deployed as part of a ventilation system in which air is discharged outside a building, such...
US20140076045 FRAME SUPPORT FOR A HOOD VENT MEASUREMENT DEVICE  
A frame for supporting installation of an air measurement device over the opening of a duct or vent opening in the air circulation system of a building.
US20110159796 DISPLACEMENT VENTILATION SYSTEMS FOR ENCLOSED SPACES  
A displacement ventilation system includes a vertical duct located inside an enclosed space and extending between a floor and a ceiling of the enclosed space, an air inlet coupled with the...
US20130324028 DAMPER ACCESS ASSEMBLY  
A damper access assembly includes an adapter and a removable damper access duct section for use in a ventilation duct system to access a damper. The adapter includes a radially outwardly directed...
US20100083682 Air Conditioning Unit with Economizer and Filter Assembly  
Embodiments of the invention provide an air conditioning (AC) unit including a pre-filter and a water-repellent filter. The water-repellent filter prevents moisture and dirt in the outdoor air...
US20110097988 VARIABLE AIR VOLUME ECONOMIZER MINIMUM POSITION RESET  
A rooftop air conditioner having a variable speed fan and an economizer also includes a control feature for adjusting the minimum damper position in response to the speed of the fan during...
US20090305627 ROOM VENTILATING AND AIR CONDITIONING SYSTEM HAVING AT LEAST ONE FLOW DUCT FOR A MEDIUM FLOWING THEREIN AND HAVING AT LEAST TWO AIR-RELATED COMPONENTS  
A room ventilating and air conditioning system has at least one flow duct for a medium flowing therein and at least two air-related components. One component has a receiver and one component has a...
US20090001179 Energy Efficient House Ventilation  
A method and apparatus for maintaining an acceptable level of outside air exchange rate in a structure. The natural ventilation rate is determined as a function of the outdoor air temperature, and...
US20080176505 VENTILATION SYSTEM FOR HIGH-RISE STRUCTURES  
A ventilation system for providing fresh outdoor directly to each floor through an intake damper on the floor and for admitting only as much air as is required to meet the required outdoor air...
US20140196965 VEHICLE GRILLE CLOSE-OUT ASSEMBLY  
A vehicle grille assembly is provided with a grille and a close-out assembly. The close-out assembly is adapted to at least partially block an airflow opening in the vehicle grille is moveable to...
US20140213173 AIR DUCT SEALING SYSTEM FOR OBSTRUCTING OR DIRECTING AIRFLOW THROUGH PORTIONS OF AN AIR DUCT SYSTEM  
The present invention discloses removable air duct sealing systems for obstructing and directing airflow through portions of an air duct system. Some systems include a support plate having an...
US20120292122 CONTROL OF AN AIRSTREAM FLOW RATE THROUGH A COVERED COMPARTMENT BY AN ADJUSTABLE SHUTTER  
A system for controlling a flow rate of an airstream through a compartment includes a panel configured to cover the compartment. The system also includes a first opening defined by the compartment...
US20140072164 SYSTEMS AND METHODS FOR CONTROLLING AIRFLOW INTO AN ELECTRONIC DEVICE  
Systems and methods for controlling airflow into an electronic device are disclosed. An airflow control system may include an airflow impedance plate having one or more airflow impeding features....
US20090093209 Damper for an air duct  
A damper device for use with an air duct provides a paddle positioned within the duct and an axle extending distally from, and in a common plane with, the paddle through the duct wall, to a...
US20100311317 VENT TILE WITH AN INTEGRATED THERMAL IMAGING SENSOR AND CONTROLLER  
A vent tile includes at least one louver, an actuator configured to control the at least one louver, a thermal imaging sensor configured to monitor temperature of a remotely located apparatus...
US20090170419 Air flow control device  
The present invention provides an air flow control device that includes at least one inlet, and a primary flow path associated with a primary outlet, and a secondary flow path associated with a...
US20140170958 AIR FILTER ASSEMBLY  
An air filter assembly is configured to deliver filtered air to a room. The assembly may include a main housing having at least first and second surfaces, wherein the first surface differs from...
US20150202954 FLAP DEVICE  
A flap device for a heat exchanger of a vehicle has a support structure in which is formed a passage. A shutter is fitted to the passage, pivotable about an operationally horizontal axis (X-X)...
US20120171949 Variable air volume control apparatus  
The present invention relates to a variable air volume control apparatus capable of effectively reducing air overflow concentrated at one side due to a damper blade biased according to an opening...
US20090236432 RETROFITTING A CONSTANT VOLUME AIR HANDLING UNIT WITH A VARIABLE FREQUENCY DRIVE  
A system and methods providing real-time monitoring, management and control of a variable frequency drive retrofit to a constant volume air handling unit without making significant mechanical or...
US20150168006 HVAC ACTUATOR WITH REMOVABLE WIRE BLOCKING TAB  
An HVAC actuator may include a rotatable output shaft, a drive mechanism configured to selectively drive the output shaft, two or more wiring terminals, and a removable blocking tab configured to...
US20150140923 VENTILATION DAMPER SYSTEM AND METHOD  
A damper assembly having a main body defining a continuous fluid path extending between a first opening and a second opening and a damper door rotatable within the main body to control the flow of...
US20140165459 ADJUSTABLE ENDCAP FOR USE WITH A GREENHOUSE DISTRIBUTION CONDUIT  
A device is disclosed providing an adjustable endcap for use with distribution conduits in a greenhouse. The device provides a solution to seal off the end of a distribution tube while providing...
US20140260408 COMPACT AIR HANDLER WITH MULTIPLE FANS  
An air handler configured with a plurality of air distribution modules, each including a fan, and at least one damper disposed within to provide and direct conditioned air or fresh air to...
US20150024673 CAM ACTUATED DAMPER  
A damper system includes a first plate having a plurality of openings and a second plate having a plurality of openings. A cam is coupled to the first plate, and a motor is coupled to the cam. The...
US20110263194 PLENUM BOX  
The invention relates to a plenum box (1a, 1b) configured for use in a ventilation system (2) with flowing air in order to be able to quickly regulate flows between the ventilation system (2) and...
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...
US20150168004 HVAC ACTUATOR WITH LIGHT INDICATOR  
An HVAC actuator includes an output shaft rotatable between first and second end positions and a drive mechanism to selectively drive the output shaft toward the first end position. The actuator...
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...
US20090186572 AIR DISTRIBUTING APPARATUS FOR REDUCING ENERGY CONSUMPTION  
The invention involves an air distributing apparatus for installation in a diffuser. The apparatus includes a first damper positioned within the diffuser. The first damper also has an open mode...
US20090233540 Systems and methods for ventilation of a surgical table  
A system for ventilating an area surrounding a patient is disclosed. The system includes an air exchanger configured to induce an air flow, and an outer duct disposed in communication with the air...
US20110264274 DEMAND CONTROL VENTILATION WITH FAN SPEED CONTROL  
A method and system for operating a demand control ventilation system with a multi-speed fan is disclosed. The control system may modulate the fan speed of a multi-speed fan and/or the position of...
US20150147955 ADJUSTABLE REGULATOR AND LOCK DEVICE FOR DUCTWORK DAMPER  
An adjustable regulator and lock device for a pivotally rotatable damper adapted for installation in an air duct of an HVAC system is disclosed, which includes a pivot rod rotatably attached to...
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)...
US20090170420 AIR HANDLING UNIT  
An air handling unit having multiple fans includes a damper assembly to limit recirculation of air past a non-operating fan. The damper assembly includes a panel adjustably positioned between two...
US20140248831 HYBRID VENTILATION APPARATUS CAPABLE OF BOTH NATURAL AND FORCED VENTILATION  
Disclosed herein is a hybrid ventilation apparatus capable of both natural and forced ventilation. In the case of a natural ventilation mode, a worm gear is rotated in a normal direction by drive...
US20090253366 CEILING VENT DIFFUSER  
A device for altering the airflow pattern from a ceiling vent diffuser. The device comprises a flexible member that is secured to a diffuser vane by a spring-biased hook and one or more tabs. A...
US20140273798 DOOR ASSEMBLY FOR A FLUID HANDLING SYSTEM  
Embodiments of a door assembly with a door component that can open and close in response to pressure of fluids that flow in a fluid handling system. These embodiments utilize elements to seat and...
US20060172694 Thermal auto-change air diffuser  
An actuator for a diffuser in a fluid distribution system is disclosed in which the actuator includes a shape memory alloy wire. The shape memory alloy wire cooperates with at least one diffuser...
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...
US20140315481 AIR DUCT SEALING SYSTEM FOR OBSTRUCTING OR DIRECTING AIRFLOW THROUGH PORTIONS OF AN AIR DUCT SYSTEM  
The present invention discloses adjustable air duct sealing systems for obstructing airflow through portions of an air duct system. Such systems may include an adjustable frame assembly configured...
US20140220881 VENTILATOR  
A ventilator includes a body casing having an opening formed in its lower portion and an exhaust port formed on one side; a fan that is provided in the body casing, for sucking indoor air from the...
US20070275653 Supply Air Terminal Assembly  
Supply air terminal assembly for the supply of supply air to a room, the supply air terminal assembly comprising two throttling units (21, 31, 22, 32), which are supplied with supply air from a...

Matches 1 - 50 out of 111 1 2 3 >