# US 8,783,605 B2 · Flight vehicle, propulsion system and thrust vectoring system > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 8,783,605 B2 - Document ID: US8783605B2 - Status: Granted - Kind: B2 - Application number: 13/336,301 - Filed: 2011-12-23 - Published: 2012-10-11 - Granted: 2014-07-22 - Earliest claimed: 2010-12-28 - Assignees: Rolls-Royce North American Technologies Inc. - Applicants: Bryan Henry Lerg - Inventors: Bryan Henry Lerg - Web page: https://patentgrep.com/patent/US8783605B2 ## CPC - F02K 1/28: using fluid jets to influence the jet flow - F02K 1/002: {with means to modify the direction of thrust vector (F02K1/54 takes precedence; thrust vectoring of rockets F02K9/80)} - F02K 1/008: {in any rearward direction} - F05D 2250/713: inflexed - F05D 2270/18: using fluidic amplifiers or actuators - F02K: JET-PROPULSION PLANTS (features of jet-propulsion plants common to gas-turbine plants, air intakes or fuel supply control of air-breathing jet-propulsion plants F02C7/00, F02C9/00) - F05D: INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS ## Abstract One embodiment of the present invention is a unique flight vehicle. Another embodiment is a unique propulsion system. Another embodiment is a unique thrust vectoring system. Other embodiments include apparatuses, systems, devices, hardware, methods, and combinations for flight vehicles, propulsion systems and thrust vectoring systems. Further embodiments, forms, features, aspects, benefits, and advantages of the present application will become apparent from the description and figures provided herewith. ## Claims ### Claim 1 A propulsion system, comprising: an engine configured to discharge a pressurized flow; a nozzle system configured to receive the pressurized flow, wherein the nozzle system includes a nozzle, an inflected throat and at least two fluidic injection zones, wherein the inflected throat includes a first throat portion having a first throat flow area, and a second throat portion having a second throat flow area, wherein the first throat portion and the second throat portion face different directions, wherein the nozzle system is configured to discharge a first portion of the pressurized flow from the first throat portion in a first direction by reducing flow through the second throat portion using at least a second fluidic injection zone, and to discharge a second portion of the pressurized flow from the second throat portion in a second direction different from the first direction by reducing flow through the first throat portion using at least a first fluidic injection zone, further comprising a plurality of independently controllable fluidic injectors, including a first fluidic injector positioned in the first fluidic injection zone proximate to the first throat portion and a second fluidic injector positioned in the second fluidic injection zone proximate to the second throat portion, wherein the first fluidic injector is operable to reduce flow through the first throat portion; and the second fluidic injector is operable to reduce flow through the second throat portion, further comprising: a third fluidic injector in the first fluidic injection zone proximate to the first throat portion and positioned across the first throat portion opposite to the first fluidic injector; and a fourth fluidic injector in the second fluidic injection zone proximate to the second throat portion and positioned across the second throat portion opposite to the second fluidic injector, wherein the nozzle system is configured to: generate a yaw moment in a first yaw direction by increasing flow through the first throat portion by activating the second fluidic injector and the fourth fluidic injector to reduce flow through the second throat portion; and to generate a yaw moment in a second yaw direction by increasing flow through the second throat portion by activating the first fluidic injector and the third fluidic injector to reduce flow through the first throat portion; and generate a pitch moment in a first pitch direction by activating the first fluidic injector and the second fluidic injector; and to generate a pitch moment in a second pitch direction by activating the third fluidic injector and the fourth fluidic injector. ### Claim 2 (depends on 1) The propulsion system of claim 1, wherein the nozzle system is configured to direct thrust in a primary thrust direction when no fluidic injectors are activated. ### Claim 3 (depends on 1) The propulsion system of claim 1, wherein the nozzle system is configured generate a yaw moment in a first yaw direction by increasing flow through the first throat portion by activating the second fluidic injector to reduce flow through the second throat portion; and to generate a yaw moment in a second yaw direction by increasing flow through the second throat portion by activating the first fluidic injector to reduce flow through the first throat portion. ### Claim 4 (depends on 1) The propulsion system of claim 1, wherein the nozzle system is configured to generate a roll moment in a first roll direction by activating the first fluidic injector and the fourth fluidic injector; and to generate a roll moment in a second roll direction by activating the second fluidic injector and the third fluidic injector. ### Claim 5 (depends on 1) The propulsion system of claim 1, wherein the inflected throat is continuous as between the first throat portion and the second throat portion. ### Claim 6 (depends on 1) The propulsion system of claim 1, wherein the first throat portion and the second throat portion lie in the same plane. ### Claim 7 A propulsion system, comprising: an engine configured to discharge a pressurized flow; a nozzle system configured to receive the pressurized flow, wherein the nozzle system includes a nozzle, an inflected throat and at least two fluidic injection zones, wherein the inflected throat includes a first throat portion having a first throat flow area, and a second throat portion having a second throat flow area, wherein the first throat portion and the second throat portion face different directions, wherein the nozzle system is configured to discharge a first portion of the pressurized flow from the first throat portion in a first direction by reducing flow through the second throat portion using at least a second fluidic injection zone, and to discharge a second portion of the pressurized flow from the second throat portion in a second direction different from the first direction by reducing flow through the first throat portion using at least a first fluidic injection zone, wherein the first throat portion extends from an inflection of the throat in one direction, and wherein the second throat portion extends from the inflection of the throat in another direction. ### Claim 8 (depends on 7) The propulsion system of claim 7, further comprising a plurality of independently controllable fluidic injectors, including a first fluidic injector positioned in the first fluidic injection zone proximate to the first throat portion and a second fluidic injector positioned in the second fluidic injection zone proximate to the second throat portion, wherein the first fluidic injector is operable to reduce flow through the first throat portion; and the second fluidic injector is operable to reduce flow through the second throat portion. ### Claim 9 (depends on 8) The propulsion system of claim 8, wherein the nozzle system is configured to direct thrust in a primary thrust direction when no fluidic injectors are activated. ### Claim 10 (depends on 8) The propulsion system of claim 8, wherein the nozzle system is configured generate a yaw moment in a first yaw direction by increasing flow through the first throat portion by activating the second fluidic injector to reduce flow through the second throat portion; and to generate a yaw moment in a second yaw direction by increasing flow through the second throat portion by activating the first fluidic injector to reduce flow through the first throat portion. ### Claim 11 (depends on 8) The propulsion system of claim 8, further comprising: a third fluidic injector in the first fluidic injection zone proximate to the first throat portion and positioned across the first throat portion opposite to the first fluidic injector; and a fourth fluidic injector in the second fluidic injection zone proximate to the second throat portion and positioned across the second throat portion opposite to the second fluidic injector, wherein the nozzle system is configured to: generate a yaw moment in a first yaw direction by increasing flow through the first throat portion by activating the second fluidic injector and the fourth fluidic injector to reduce flow through the second throat portion; and to generate a yaw moment in a second yaw direction by increasing flow through the second throat portion by activating the first fluidic injector and the third fluidic injector to reduce flow through the first throat portion; and generate a pitch moment in a first pitch direction by activating the first fluidic injector and the second fluidic injector; and to generate a pitch moment in a second pitch direction by activating the third fluidic injector and the fourth fluidic injector. ### Claim 12 (depends on 11) The propulsion system of claim 11, wherein the nozzle system is configured to generate a roll moment in a first roll direction by activating the first fluidic injector and the fourth fluidic injector; and to generate a roll moment in a second roll direction by activating the second fluidic injector and the third fluidic injector. ### Claim 13 (depends on 7) The propulsion system of claim 7, wherein the inflected throat is continuous as between the first throat portion and the second throat portion. ### Claim 14 (depends on 7) The propulsion system of claim 7, wherein the first throat portion and the second throat portion lie in the same plane.