Insulating baffle for a floor shear truss
AssigneeThe Boeing Company
InventorGregory A. Tubbs
Life of this patent
Estimating the term…
Abstract
An insulation baffle for a mobile platform. The baffle is secured to a structure separating different lobes of the mobile platform. The baffle includes a main body portion and at least one blow out portion. A perimeter of the blow out portion is defined by at least one recess. The recess also forms a web portion that connects the blow out portion with the main body portion. A depth of the recess is predetermined such that the web portion formed by the recess will sever when a pressure differential between the different lobes exceeds a predetermined threshold. When the web portion severs at least a section of the blow out portion separates from the main body portion to air to pass between the lobes so that the pressure differential is reduced to approximately zero.
Claims19
A pressure relief apparatus for use within a pressurized interior area of a mobile platform, said apparatus comprising:
- a one piece noise insulation baffle secured directly to a floor structure of the mobile platform, the noise insulation baffle including:
- a main body;
- and
- at least one blow out plug having a perimeter at least partially formed by a recessed portion, the perimeter forming the blow out plug in a shape that matches a shape of an air pathway in the floor structure covered by the noise insulation baffle;
- wherein the recessed portion is adapted to sever if a pressure differential between an upper lobe and a lower lobe of the mobile platform exceeds a predetermined threshold, thereby at least partially separating the blow out plug from the main body.
A noise insulation baffle for a mobile platform, said noise insulation baffle comprising:
- a main body portion secured directly to a truss structure of the mobile platform;
- at least one blow out portion having a perimeter forming the blow out portion in a shape that matches a shape of an air pathway in the truss structure covered by the blow out portion;
- and
- at least one recess defining the perimeter of the blow out portion, the recess adapted to form a web portion connecting the blow out portion with the main body portion, the web portion adapted to sever such that the blow out portion separates from the main body portion when a pressure differential between an upper lobe and a lower lobe of the mobile platform exceeds a predetermined threshold.
A mobile platform comprising:
- an upper lobe;
- a lower lobe;
- a floor structure between the upper lobe and the lower lobe, the floor structure including at least one air pathway;
- and
- a noise insulation baffle constructed of a noise reducing foam that substantially reduces the transmission of noise from the lower lobe to the upper lobe, the noise insulation baffle comprising:
- a main body portion secured directly to a floor structure of the mobile platform;
- at least one blow out portion having a perimeter forming the blow out portion in a shape that matches a shape of the air pathway in the floor structure covered by the blow out portion;
- and
- at least one recess defining the perimeter of the blow out portion, the recess adapted to form a web portion connecting the blow out portion with the main body portion, the web portion adapted to sever such that the blow out portion separates from the main body portion when a pressure differential between an upper lobe and a lower lobe of the mobile platform exceeds a predetermined threshold.
A method for reducing noise transmission between a first lobe and a second lobe of a mobile platform, the method comprising:
- securing a noise insulation baffle directly to a floor structure disposed between the first and second lobes, wherein the insulation baffle is constructed of one of melamine foam and polyimide solimide foam and includes at least one recess that defines a main portion and at least one blow out portion, the recess further forms a severable web portion connecting the main portion and the blow out portion and a perimeter of the blow out portion that defines a shape of the blow out portion that matches a shape of an air pathway in the floor structure;
- and
- aligning the blow out portion with the air pathway so that if the pressure differential between the first and second lobes exceeds a predetermined threshold, the web portion will sever allowing the blow out portion to completely separate from the main body portion so that the pressure differential will rapidly be reduced to approximately zero.
Dependencies are inferred from the claim text.