The Boeing Company

Garrett Daniel Klovdahl

Fedor A Kleshchev

Paul Brian Philipp

Samuel James Tutko

Robert De Pau, Jr

Eric S Samson

Jennifer M Shuster-Clark

Fedor Kleshchev

Jr Robert De Pau

Robert Jr De Pau

Symmetric cascade thrust reversers and related methods are disclosed. An example apparatus includes a first cascade and a second cascade, the first cascade and the second cascade to be radially spaced relative to a longitudinal axis of a first aircraft engine extending in a fore-aft direction, the first cascade to provide a first flow characteristic and the second cascade to provide a second flow characteristic, the first flow characteristic provided by the first cascade symmetric relative to the second flow characteristic of the second cascade with respect to a vertical plane passing through the longitudinal axis of the aircraft engine.

Symmetric cascade thrust reversers and related methods

Presented are flush-mounted fluid inlets, methods for making/using such fluid inlets, and aircraft equipped with flush-mounted air inlets for engine intake/cooling, bleed air flow, etc. A fluid inlet device is presented for improving vehicle aerodynamic performance. The fluid inlet device includes an inlet base that rigidly mounts to the vehicle, laying substantially flush with a washed outer surface across which fluid flows. The inlet base has a mouth that fluidly couples with a vehicle duct. Two sidewalls are attached to the inlet base, extending between leading and trailing edges of the inlet mouth. An inlet ramp, which is interposed between and attached to the sidewalls, projects inward at an oblique angle from the mouth's leading edge. A highlight is attached to the inlet base, projecting forward from the trailing edge towards the leading edge of the mouth. The highlight has a waveform plan-view profile and undulating outer surface.

Flush fluid inlet designs for aero-acoustic tone mitigation of aircraft

Drainage devices intended to prevent the reentry of drained fluids, the devices including a base having a contact surface for mounting over a drainage opening in an aerodynamic surface, a mast portion connected to the base and extending away from the contact surface of the base, and a top portion connected to the end of the mast portion, the top portion having a periphery that is greater than the periphery of the mast portion and including an exit port. The top portion may include a cantilevered fence portion extending upstream relative to the aerodynamic surface, and the drainage devices may be part of a system including a first opening and a second opening in the aerodynamic surface, the second opening upstream from the first opening, where a drainage device is mounted over the first opening and the cantilevered fence portion of the drainage device extends upstream toward the second opening.

Aerodynamic drainage device

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Everett, WA, United States of America

Garrett Daniel Klovdahl