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1. (WO2018039484) VARIABLE GEOMETRY THRUSTER

Pub. No.:    WO/2018/039484    International Application No.:    PCT/US2017/048479
Publication Date: Fri Mar 02 00:59:59 CET 2018 International Filing Date: Fri Aug 25 01:59:59 CEST 2017
IPC: F02K 1/36
F02K 1/00
F02K 1/06
F02K 1/08
F02K 1/09
F02K 1/11
F02K 1/28
Applicants: JETOPTERA, INC.
Inventors: EVULET, Andrei
Title: VARIABLE GEOMETRY THRUSTER
Abstract:
A propulsion system coupled to a vehicle. The system includes a diffusing structure and a conduit portion configured to introduce to the diffusing structure through a passage a primary fluid produced by the vehicle. The passage is defined by a wall, and the diffusing structure comprises a terminal end configured to provide egress from the system for the introduced primary fluid. A constricting element is disposed adjacent the wall. An actuating apparatus is coupled to the constricting element and is configured to urge the constricting element toward the wall, thereby reducing the cross-sectional area of the passage.