The Boeing Company

Other

Alexander C Klein

Steven Fulton Griffin

Frederick Theodore Calkins

Jacob A Lucas

Scott Rackey

Christopher R Shurilla

Zackary L Endsley

Matthew Wittman

John C Mooney

A deployable panel is provided comprising a first subpanel, a second subpanel, and a shape memory alloy hinge connecting the subpanels. The shape memory alloy hinge enables the subpanels to move between a position in which the first and second subpanels are folded over each other and an unfolded position in response to an energy source that changes the shape of the shape memory alloy hinge, wherein the unfolded position is trained into the shape memory alloy hinge to ensure precise kinematic mating between the subpanels. Shape memory alloy springs are connected to the first subpanel and respective tethers connect the shape memory alloy springs to the second subpanel. The shape memory alloy springs contract in response to a second energy source to pull the subpanels together via the tethers when the subpanels are in the unfolded position to produce a seamless, featureless surface of the deployable panel.

Large deployable panel with shape memory hinge and load elements

A spin-stabilizing assembly is usable with a cylindrical barrel having a longitudinal center axis, a vertical center axis, and a distal end. The assembly includes a gimbal piece, a spinner cage, and a spinner body. A first end of the gimbal piece engages an outer diameter surface of the barrel proximate the distal end. The spinner cage is configured to engage a second end of the gimbal piece, and to pivot with respect thereto about the vertical center axis. The spinner body is disposed radially within the spinner cage and defines multiple axial vanes. The vanes, in response to impingement on the axial vanes of exhaust gases discharged from the distal end of the barrel, rotate the spinner body about the longitudinal center axis. Rotation results in impedance along the vertical center axis which minimizes vertical displacement or motion of the distal end.

Spin-stabilizing assembly for a cylindrical barrel using harvested propellant energy

The systems and methods described herein relate to the use of electrostatic elements or combinations of electrostatic and magnetic elements to confine charged particles in stable recirculating, trapped orbits. More particularly, the invention relates to systems and methods for acceleration and focusing of multiple charged particle beams having multiple energies and arbitrary polarities along a common axis.

Systems and methods for control of multiple charged particle beams

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Bellevue, WA, United States of America

Alexander C Klein