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Class Information
Number: 60/767
Name: Power plants > Reaction motor (e.g., motive fluid generator and reaction nozzle, etc.) > Air supplied by ram effect (e.g., ramjet, etc.)
Description: Apparatus wherein the thrust produced by the reaction motor compresses atmosphere into the reaction motor where it is heated to produce the motive fluid.

Sub-classes under this class:

Class Number Class Name Patents
60/769 Solid fuel 27
60/768 Supersonic speed therethrough (e.g., scramjet, etc.) 109

Patents under this class:
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Patent Number Title Of Patent Date Issued
8528341 Ramjet superheater Sep. 10, 2013
8484980 Dual-mode combustor Jul. 16, 2013
8393158 Low shock strength inlet Mar. 12, 2013
8381528 Ramjet superheater Feb. 26, 2013
8360097 Valve actuator and throttle valve assembly employing the same Jan. 29, 2013
8341963 Valve control unit for ramjet propulsion system as well as guided missile having such a valve control unit Jan. 1, 2013
8333076 Isentropic compression inlet for supersonic aircraft Dec. 18, 2012
8327645 Isentropic compression inlet for supersonic aircraft Dec. 11, 2012
8286434 Isentropic compression inlet for supersonic aircraft Oct. 16, 2012
8256203 Rocket based combined cycle propulsion unit having external rocket thrusters Sep. 4, 2012
8117847 Hybrid missile propulsion system with reconfigurable multinozzle grid Feb. 21, 2012
7954329 Statically-operating ejector ramjet Jun. 7, 2011
7950235 Jet engine May. 31, 2011
7937945 Combining a series of more efficient engines into a unit, or modular units May. 10, 2011
7849670 Propulsion system with integrated rocket accelerator Dec. 14, 2010
7797943 Core burning for scramjet engines Sep. 21, 2010
7765790 Stationary mechanical engines and subsonic jet engines using supersonic gas turbines Aug. 3, 2010
7762077 Single-stage hypersonic vehicle featuring advanced swirl combustion Jul. 27, 2010
7685824 Rotary ramjet turbo-generator Mar. 30, 2010
7251928 Pulse detonation engine and valve Aug. 7, 2007
7000398 Ramjet engine combustion chamber and ramjet engine equipped with same Feb. 21, 2006
6981364 Combine engine for single-stage spacecraft Jan. 3, 2006
6968695 Compact lightweight ramjet engines incorporating swirl augmented combustion with improved performance Nov. 29, 2005
6969251 Burner Nov. 29, 2005
6915626 Blanking-plug system for blanking off an orifice of a pipe, particularly for blanking off an orifice of a duct for introducing air into the combustion chamber of a ramjet Jul. 12, 2005
6907724 Combined cycle engines incorporating swirl augmented combustion for reduced volume and weight and improved performance Jun. 21, 2005
6883330 Variable geometry inlet design for scram jet engine Apr. 26, 2005
6786040 Ejector based engines Sep. 7, 2004
6725664 Shut-off system for an orifice of a duct, particularly for an orifice of an air inlet passage that allows air into the combustion chamber of a ramjet Apr. 27, 2004
6715293 Scram jet engine design Apr. 6, 2004
6672068 Ramjet for a supersonic and hypersonic aircraft Jan. 6, 2004
6644015 Turbojet with precompressor injected oxidizer Nov. 11, 2003
6631610 Consumable port cover for ducted integral rocket-ramjet engine Oct. 14, 2003
6470672 Minimally intrusive and nonintrusive supersonic injectors for LANTR and RBCC/Scramjet propulsion systems Oct. 29, 2002
6397581 Heat exchanger in composite material and method for making same Jun. 4, 2002
6347507 Method and apparatus for power generation using rotating ramjets Feb. 19, 2002
6293091 Axisymmetrical annular plug propulsion system for integrated rocket/ramjet or rocket/scramjet Sep. 25, 2001
6164061 Fuel-injecting apparatus for ramjet engine cooled by transpiration Dec. 26, 2000
6116019 Sealing system for an air intake opening of a ram jet combustion chamber Sep. 12, 2000
6003302 Ramjet with adjustable working duct casings Dec. 21, 1999
5946904 Ejector ramjet engine Sep. 7, 1999
5904319 Guided missile with ram jet drive May. 18, 1999
5853143 Airbreathing propulsion assisted flight vehicle Dec. 29, 1998
5836542 Flying craft and a thruster engine suitable for use in such a craft Nov. 17, 1998
5794434 Aircraft thrust reverser system with linearly translating inner and outer doors Aug. 18, 1998
5709076 Method and apparatus for power generation using rotating ramjet which compresses inlet air and expands exhaust gas against stationary peripheral wall Jan. 20, 1998
5578783 RAM accelerator system and device Nov. 26, 1996
5544586 Solid fuel ramjet tubular projectile Aug. 13, 1996
5485787 Gas gun launched scramjet test projectile Jan. 23, 1996
5363766 Remjet powered, armor piercing, high explosive projectile Nov. 15, 1994

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