Abstract: A pressure relief device is disclosed. The pressure relief device may take the form of a “butterfly” vent, including paired burst panels or blow-out portions that are configured to open in a manner similar to a butterfly flapping its wings. Upon opening, the paired burst panels may contact each other, thereby absorbing kinetic energy. The burst panels may be positioned within a frame or may be formed or cut from a single sheet. A cord may be provided between the burst panels to retain the burst panels and/or ensure that the burst panels open substantially simultaneously. The pressure relief device also may include an activation mechanism to control the opening of the burst panels, one or more hinge members, and/or a braking member.

Abstract: A pressure relief device is disclosed. The pressure relief device may take the form of a “butterfly” vent, including paired burst panels or blow-out portions that are configured to open in a manner similar to a butterfly flapping its wings. Upon opening, the paired burst panels may contact each other, thereby absorbing kinetic energy. The burst panels may be positioned within a frame or may be formed or cut from a single sheet. A cord may be provided between the burst panels to retain the burst panels and/or ensure that the burst panels open substantially simultaneously. The pressure relief device also may include an activation mechanism to control the opening of the burst panels, one or more hinge members, and/or a braking member.

Abstract: A pressure relief device is disclosed that is designed to open in response to a pre-determined pressure differential. The pressure relief device includes a panel member, and at least one release mechanism. The release mechanism has a first end, a failure portion configured to fail upon experiencing a predetermined load, and a second end. The at least one release mechanism is configured to hold the panel member against a frame prior to experiencing the predetermined pressure differential.

Abstract: A pressure relief device is disclosed that is designed to open in response to a pre-determined pressure differential. The pressure relief device includes a panel member, and at least one release mechanism. The release mechanism has a first end, a failure portion configured to fail upon experiencing a predetermined load, and a second end. The at least one release mechanism is configured to hold the panel member against a frame prior to experiencing the predetermined pressure differential.