US 11,939,052 B2
Aircraft engine comprising a variable area exhaust nozzle
Pieter Laurens Van Der Meer, Munich (DE); Petr Cvach, Gilching (DE); Javier Sainz De La Maza, Germering (DE); Kilian Brath, Munich (DE); and Sébastien Vermeiren, Munich (DE)
Assigned to Lilium eAircraft GmbH, Wessling (DE)
Filed by Lilium eAircraft GmbH, Wessling (DE)
Filed on Mar. 2, 2022, as Appl. No. 17/684,803.
Claims priority of application No. 21161126 (EP), filed on Mar. 5, 2021; and application No. PCT/EP2022/052238 (WO), filed on Jan. 31, 2022.
Prior Publication US 2022/0348320 A1, Nov. 3, 2022
Int. Cl. B64C 29/00 (2006.01); B64C 11/00 (2006.01); B64D 27/24 (2006.01); B64D 33/04 (2006.01)
CPC B64C 29/0033 (2013.01) [B64C 11/001 (2013.01); B64D 27/24 (2013.01); B64D 33/04 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An engine of a vertical take-off and landing aircraft, wherein the engine is configured to be movable with respect, to an aircraft component of the aircraft between a hover position for take-off and landing, and a cruise position for forward flight, wherein the engine comprises a variable area exhaust nozzle mounted to an exhaust portion of the engine, said variable area exhaust nozzle comprising at least one aerodynamic element movable with respect to the engine between an open position and a closed position, wherein the engine comprises a transmission having a first end connected to the variable area exhaust nozzle and a second end adapted to be connected to the aircraft component, wherein the transmission is adapted to translate a movement of the engine with respect to the aircraft component into a movement of the at least one aerodynamic element, wherein the variable area exhaust nozzle comprises a first aerodynamic element and a second aerodynamic element, wherein the first and second aerodynamic elements are connected to one another by a link mechanism, such that movement of the first aerodynamic element drives movement of the second aerodynamic element.