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214 results about "Attic" patented technology

An attic (sometimes referred to as a loft) is a space found directly below the pitched roof of a house or other building; an attic may also be called a sky parlor or a garret. Because attics fill the space between the ceiling of the top floor of a building and the slanted roof, they are known for being awkwardly shaped spaces with exposed rafters and difficult-to-reach corners.

Magnetically actuated auto-closing air vent

InactiveUS8062108B2Mechanical redundancy in driving the damper closedMinimizes moving partLighting and heating apparatusEqualizing valvesMagnetic tension forceInterior space
A self-closing vent intended for use in attics, crawl spaces, joist cavities, exterior walls, interior walls, or other structural element which allows for the free flow of air from outside a building to interior spaces during normal use. The vent includes a damper blade pivotally connected to, and disposed within, the vent housing, which is held in an open position by a temperature sensitive fusible link. Two, and preferably three, permanent magnets provide the force for driving the damper blade into a closed and locked position. A first magnet disposed in a side of the vent housing and a second magnet disposed on the damper blade are disposed with opposing (repelling) polarities when the damper blade is held in the open position. A third magnet disposed proximate the back of the vent housing is oriented so as to attract the magnet disposed on the damper blade. Thus, when the fusible link is broken by high temperatures, the first magnet propels the damper blade toward the closed position, and the third magnet attracts the damper blade to assist in putting it into a fully closed position. The third magnet and second magnet then cooperate to effect a secure closure, which is supplemented by mechanical locks disposed in the vent housing.
Owner:CARLSON THOMAS R +2

Magnetically actuated auto-closing air vent

InactiveUS20080248739A1Mechanical redundancy in driving the damper closedMinimizes moving partSpace heating and ventilation safety systemsLighting and heating apparatusInterior spaceJoist
A self-closing vent intended for use in attics, crawl spaces, joist cavities, exterior walls, interior walls, or other structural element which allows for the free flow of air from outside a building to interior spaces during normal use. The vent includes a damper blade pivotally connected to, and disposed within, the vent housing, which is held in an open position by a temperature sensitive fusible link. Two, and preferably three, permanent magnets provide the force for driving the damper blade into a closed and locked position. A first magnet disposed in a side of the vent housing and a second magnet disposed on the damper blade are disposed with opposing (repelling) polarities when the damper blade is held in the open position. A third magnet disposed proximate the back of the vent housing is oriented so as to attract the magnet disposed on the damper blade. Thus, when the fusible link is broken by high temperatures, the first magnet propels the damper blade toward the closed position, and the third magnet attracts the damper blade to assist in putting it into a fully closed position. The third magnet and second magnet then cooperate to effect a secure closure, which is supplemented by mechanical locks disposed in the vent housing.
Owner:CARLSON THOMAS R +2
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