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US 10,189,578 B2Granted
Self-balancing pressure bulkhead
AssigneeThe Boeing Company
InventorsPaul Diep, Bernhard Dopker, Robert W. Johnson
Life of this patent
Estimating the term…
Abstract
A pressure bulkhead may include a bulkhead wall having a radially inner disk and a radially outer compression ring, the outer compression ring being reinforced to balance meridional and hoop stresses sustained by the bulkhead wall in response to a pressure differential across the pressure bulkhead; and the radially inner disk being unitary with the outer compression ring and being made of the same material as the outer compression ring.
Claims16
A pressure bulkhead comprising:
- a bulkhead wall having a radially inner disk of a first thickness and a radially outer compression ring of a second thickness defining a convex surface as a first side of the bulkhead wall, wherein the radially outer compression ring defines a periphery of the bulkhead wall, and the second thickness is greater than the first thickness;
- wherein the second thickness of the outer compression ring is effective to provide a strength to oppose meridional and hoop stresses across the surface of the radially inner disk in response to a pressure differential across the bulkhead wall;
- and the radially inner disk being unitary with the outer compression ring and being made of the same material as the outer compression ring;
- and
- an attachment ring having a concave surface oriented toward a non-pressurized area and attached to the first side and the periphery of the bulkhead wall.
2 more elements
A pressure bulkhead comprising:
- a bulkhead wall having a radially inner disk of a first thickness made of an isotropic carbon fiber reinforced plastic laminate, and an outer compression ring of a second thickness made of an orthotropic carbon fiber reinforced plastic laminate attached to and extending about a periphery of the radially inner disk, and having a convex surface as a first side;
- wherein the second thickness is greater than the first thickness, and the second thickness of the outer compression ring is of a thickness providing sufficient strength to balance meridional and hoop stresses sustained by the dome-shaped bulkhead wall in response to a pressure load applied to the bulkhead wall;
- and
- an attachment ring having a concave surface oriented toward a non-pressurized area and attached to the first side of the bulkhead wall at the outer compression ring.
1 more element
Dependencies are inferred from the claim text.