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Air handling unitAir handling unit description/claimsThe Patent Description & Claims data below is from USPTO Patent Application 20090170420, Air handling unit. Brief Patent Description - Full Patent Description - Patent Application Claims
This application claims priority from and the benefit of U.S. Provisional Application No. 61/016,834, entitled ISOLATION DAMPER FOR AIR HANDLING UNIT, filed Dec. 27, 2007, which is hereby incorporated by reference. The application relates generally to an air handling unit. The application relates more specifically to the operation of an air handling unit having an isolation damper. Air handling units (AHUs) are one of several components in heating, ventilation, and air conditioning systems (HVAC systems). The AHU can house a number of components used to circulate air for climate control in a structure. AHU components can include motors, heat exchangers, and blowers or fans. The AHU is an enclosed interconnected framed panel structure. The framed panel structures can have insulated panels that are supported between framing members, also referred to as raceways, to define interconnected rectangular compartments. AHU constructions can include a pair of fans generally positioned side-by-side to one another to circulate air for climate control. Each fan can be capable of satisfying the air flow requirements of the HVAC system. Stated another way, if one fan becomes inoperable, the remaining fan can continue to provide uninterrupted capacity operation in the HVAC system. However, with the side-by-side fan arrangement, an amount of air from the operating fan is recirculated through the fan opening of the non-operational fan, thereby degrading performance of the system. AHUs can also incorporate a damping arrangement, in which a plate disposed in the air stream of the supply air region of the AHU fans and is rotatable between an open position and a closed position. Such damping arrangements increase the size of the AHU, possibly rendering certain AHU constructions unusable, due to space constraints. The present invention relates to an damper assembly for an air handling unit including a frame adapted to be mounted in an opening in the air handling unit; at least one panel, the at least one panel being configured to be moveable within the frame; and the at least one panel is positionable between a first position and a second position in the frame, the first position of the at least one panel corresponding to a position to substantially obstruct a portion of the opening associated with a fan of the air handling unit and the second position of the at least one panel corresponding to a position to enable unobstructed access to the portion of the opening associated with the fan of the air handling unit. The present invention also relates to a damper assembly for an air handling unit including a frame adapted to be mounted in an opening in the air handling unit; at least one closure member, the at least one closure member being configured to be selectively retracted and expanded; and the at least one closure member is positionable between a first position and a second position in the frame, the first position of the at least one closure member corresponding to a position to substantially obstruct a portion of the opening associated with a fan of the air handling unit and the second position of the at least one closure member corresponding to a position to enable unobstructed access to the portion of the opening associated with the fan of the air handling unit. The present invention also relates to an air handling unit including a housing, the housing including a plurality of openings to enable flow of air through the housing, a pair of fans positioned in the housing, at least one wall, the at least one wall being configured and positioned in the housing to separate the pair of fans and to define an individual discharge opening and inlet for each fan of the pair of fans, a damper assembly including a frame mounted in an opening of the plurality of openings, at least one panel, the at least one panel being configured to be moveable within the frame, and the at least one panel is positionable between a first position and a second position in the frame, the first position of the at least one panel being configured to substantially obstruct a discharge opening of a fan of the pair of fans and the second position of the at least one panel being configured to enable unobstructed access to the discharge opening of the fan of the pair of fans. Continue reading about Air handling unit... Full patent description for Air handling unit Brief Patent Description - Full Patent Description - Patent Application Claims Click on the above for other options relating to this Air handling unit patent application. ###  How KEYWORD MONITOR works... a FREE service from FreshPatents1. Sign up (takes 30 seconds). 2. Fill in the keywords to be monitored. 3. Each week you receive an email with patent applications related to your keywords. Start now! - Receive info on patent apps like Air handling unit or other areas of interest. ### Previous Patent Application: Air flow control device Next Patent Application: Grille Industry Class: Ventilation ### FreshPatents.com Support Thank you for viewing the Air handling unit patent info. IP-related news and info Results in 2.26515 seconds Other interesting Feshpatents.com categories: Accenture , Agouron Pharmaceuticals , Amgen , AT&T , Bausch & Lomb , Callaway Golf paws |
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