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| Number | Title | Issue Date |
| 8082725 | Electro-dynamic swirler, combustion apparatus and methods using the same In one embodiment, a combustion apparatus comprises: an oxidant inlet, a fuel inlet, a mixing zone configured to mix fuel and oxidant to form a mixture, a combustion zone in fluid communication with the mixing zone and configured to combust the mixture, and an outle... | 12/27/2011 |
| 7966803 | Pulse detonation combustor with folded flow path A pulsed detonation combustor (PDC) is described. The PDC includes an outer casing defining a first hollow chamber configured to receive a flow and an inner liner. The inner liner includes at least one portion positioned within the first hollow chamber and configure... | 06/28/2011 |
| 7818956 | Pulse detonation assembly and hybrid engine A pulse detonation (PD) assembly includes a number of PD chambers adapted to expel respective detonation product streams and a number of barriers disposed between respective pairs of PD chambers. The barriers define, at least in part, a number of sectors that contai... | 10/26/2010 |
| 7784265 | Multiple tube pulse detonation engine turbine apparatus and system A pulse detonation combustor (PDC) assembly includes an upstream chamber forming an inlet plenum, a downstream chamber including a downstream portion of at least one PDC tube, and an integrated PDC head coupled to the upstream chamber and the downstream chamber. The... | 08/31/2010 |
| 7464534 | Pulsed detonation engine A pulsed detonation engine may include a flame tube with a lateral wall and a transverse base defining a combustion chamber and a supply device cyclically feeding said combustion chamber with a combustible charge. The transverse base of the flame tube may be movable... | 12/16/2008 |
| 7410131 | Pulsed detonation engines for reaction control systems Pulsed detonation engines (PDEs) are adapted for use in reaction control systems (RCS), such as thrusters for orbital correction and control (e.g., for earth-orbiting satellites), divert thrust generation and control for space-based interceptor devices, and for miss... | 08/12/2008 |
| 7367194 | Pulse detonation engine system for driving turbine A pulse detonation engine system (1) for driving a turbine is comprises a detonation generator section (5) including a detonation tube (7) having a tubular hollow section for permitting detonation to be generated therein during combustion stage ... | 05/06/2008 |
| 7340903 | Scalable power generation using a pulsed detonation engine A scalable power generator is described. A scalable, portable pulsed detonation engine is coupled to a turbine which drives a generator and using commonly available fuels, electric energy is provided. Additional embodiments incorporate a mechanical compressor at the... | 03/11/2008 |
| 7328570 | Pulse detonation system for a gas turbine engine having multiple spools A gas turbine engine having a longitudinal centerline axis therethrough, including: a fan section at a forward end of the gas turbine engine including at least a first fan blade row connected to a first drive shaft; a booster compressor positioned downstream of the ... | 02/12/2008 |
| 7310951 | Steady-state detonation combustor and steady-state detonation wave generating method A steady-state detonation combustor and a steady-state detonation wave generating method, in which a stabilized detonation wave can be generated by generating a hypersonic and unburned premixed gas. An rich premixed gas whose gas fuel is rich is combusted in a rich ... | 12/25/2007 |
| 7278611 | Pulsed detonation engines for reaction control systems Pulsed detonation engines (PDEs) are adapted for use in reaction control systems (RCS), such as thrusters for orbital correction and control (e.g., for earth-orbiting satellites), divert thrust generation and control for space-based interceptor devices, and for miss... | 10/09/2007 |
| 7278256 | Pulsed combustion engine A pulsed combustion apparatus includes a conduit having an outer wall and an inner wall. The inner wall has a number of apertures. An interior space is separated from the outer wall by the inner wall. An induction system is positioned to cyclicly admit charges to th... | 10/09/2007 |
| 7249460 | Fuel injection system for a turbine engine To improve the burning efficiency of fuel supplied to a turbine engine by electronic fuel injectors under control of a fuel injection control system, a nebulizer of unique design is employed with the fuel injectors to further reduce the individual fuel cell size fro... | 07/31/2007 |
| 7200987 | Off-axis pulse detonation configuration for gas turbine engine The present invention is a gas turbine engine system containing a compressor stage, a pulse detonation stage, and a turbine stage. During operation of the engine system, compressed flow from the compressor stage is directed to at least one off-axis pulse detonation ... | 04/10/2007 |
| 7150143 | Hybrid fuel cell-pulse detonation power system A power system includes a fuel cell module adapted to receive a first fuel and a pulse detonation combustor adapted to receive and detonate a second fuel and exhaust a number of detonation products to create thrust for propulsion, mechanical work extraction or elect... | 12/19/2006 |
| 7131260 | Multiple detonation initiator for frequency multiplied pulsed detonation combustion The present invention is a pulse detonation combustion system, having a plurality of detonation initiation devices coupled to a main combustion chamber, where each of the detonation initiation devices is operating out-of-phase with each other. Each of the detonation... | 11/07/2006 |
| 7111463 | Combustion wave ignition for combustors A system, such as a turbine power production system, including a plurality of combustion chambers. The combustion chamber may be provided with an ignition system that allows for substantially simultaneous ignition of each of the plurality of the combustors. Generall... | 09/26/2006 |
| 7100360 | Pulsed combustion engine A pulsed combustion device includes a support structure and a combustor carousel supported by the support structure and rotating relative thereto about an axis. The carousel has a number of combustion conduits in a circumferential array. Each conduit cyclically rece... | 09/05/2006 |
| 7093794 | Aircraft and detonative engine incorporating pulse detonation engines An aircraft includes at least one airfoil having a leading edge and a trailing edge. A number of pulse detonation engines are distributed along one of the leading and trailing edges of the airfoil and are positioned beneath the airfoil. Each pulse detonation engine ... | 08/22/2006 |
| 7055308 | Detonation damper for pulse detonation engines An engine includes at least one pulse detonation chamber configured to receive and detonate a fuel and an oxidizer. The pulse detonation chamber has an outlet end and includes a porous liner adapted to fit within an inner surface of the pulse detonation chamber with... | 06/06/2006 |
| 7047724 | Combustion ignition Distributed initiation (e.g., multipoint or continuous) is utilized to obtain constant volume-like combustion performance in a pulse combustion device in the absence of detonation. A number of such devices may be utilized as turbine engine combustors. ... | 05/23/2006 |
| 7007455 | Methods and apparatus for operating gas turbine engines A method for operating a pulse detonation system. The method includes providing a pulse detonation chamber including a plurality of detonation tubes extending therein, and detonating a mixture of fuel and air within each detonation tube such that at least a first tu... | 03/07/2006 |
| 7000402 | Compound gas turbine engines and methods of operation thereof The engine (10) has a compressor (12) for compressing air, a plurality of combustion chambers (22a–f) in which fuel mixed with the compressed air combusts, and a turbine (16) which is driven by the products of combustion. Each co... | 02/21/2006 |
| 6964171 | Method and apparatus using jets to initiate detonations This invention pertains to apparatus and method for initiating detonation in a chamber of tubular or other shapes, which can be a combustor for a propulsion engine, such as a pulse detonation engine. This invention is characterized by detonation initiation at high p... | 11/15/2005 |
| 6955052 | Thermal gas compression engine A power generation method and apparatus includes a plurality of gas reactors that combust fuel and an oxygen-containing gas under substantially adiabatic conditions such that hot high pressure combustion gases flow alternately and substantially continuously from eac... | 10/18/2005 |
| 6928804 | Pulse detonation system for a gas turbine engine A pulse detonation system for a gas turbine engine having a longitudinal centerline axis extending therethrough, the pulse detonation system includes an air inlet duct in flow communication with a source of compressed air, the air inlet duct including at least one p... | 08/16/2005 |
| 6904750 | Integral pulse detonation system for a gas turbine engine A pulse detonation system for a gas turbine engine having a longitudinal centerline axis extending therethrough includes a rotatable cylindrical member having a forward surface, an aft surface, and an outer circumferential surface, where at least one stage of spaced... | 06/14/2005 |
| 6886325 | Pulsed combustion engine A pulsed combustion device includes a support structure and a combustor carousel supported by the support structure and rotating relative thereto about an axis. The carousel has a number of combustion conduits in a circumferential array. Each conduit cyclically rece... | 05/03/2005 |
| 6883304 | Pulsejet ejector thrust augmentor A pulsejet system and method requires no pulsejet internal moving parts. Each pulsejet includes a combustion chamber having an upstream inlet port joined to an inlet diffuser, boundary layer air ports enveloping the combustion chamber, and a downstream exit port joi... | 04/26/2005 |
| 6877310 | Shock wave reflector and detonation chamber A shock wave reflector includes a number of reflective units positioned along a longitudinal direction and separated by a gap G. Each reflective unit has a length L. The length L and the gap G are governed by a relationship L+G≧λ. The variable λ characterizes a ... | 04/12/2005 |
| 6813878 | Methods and apparatus for operating gas turbine engines A method for operating a pulse detonation system. The method includes providing a pulse detonation chamber including a plurality of detonation tubes extending therein, and detonating a mixture of fuel and air within each detonation tube such that at least a first tu... | 11/09/2004 |
| 6742340 | Fuel injection control system for a turbine engine This invention is a fuel injection control system for a turbine engine. The invention uses at least one fuel injector, having means for injecting fuel in pulses to the combustion chamber of a turbine engine, and an electronic control unit to receive and interpret in... | 06/01/2004 |
| 6658838 | Shaped charge engine A shaped charge engine includes an annular blast-forming chamber formed by joining inner and outer housings. A central through hole in the inner housing allows exhaust gases to exit. The outer housing comprises a generally round disk with an inner conical... | 12/09/2003 |
| 6601393 | Method and device for modulation of a flame This invention relates to air breathing engines, such as ramjets, scramjets and internal combustion, and more particularly to an active combustion control device for a combustor. In more particularity, the present invention relates to a method and apparat... | 08/05/2003 |
| 6584774 | High frequency pulsed fuel injector A high frequency pulsed fuel injector is disclosed. The fuel injector incorporates a resonance tube in outlet fluid communication with a fuel nozzle. During operation the resonance tube provides a pulsating output which is directed into the fuel nozzle. T... | 07/01/2003 |
| 6581882 | Low-thrust cryogenic propulsion module The cryogenic propulsion module comprises a main cryogenic thruster (10), two attitude-controlling secondary thrusters (21, 22), tanks (31, 32, 33, 34) for feeding cryogenic propellants, a device for intermittently pressurizing the tanks (31, 32, 33, 34),... | 06/24/2003 |
| 6554607 | Combustion-driven jet actuator The present disclosure relates to a flow control system, comprising a controller, an ignition device whose activation is controlled by the controller, a combustion-driven jet actuator, and a fuel source in fluid communication with the jet actuator that su... | 04/29/2003 |
| 6484492 | Magnetohydrodynamic flow control for pulse detonation engines Flow control in pulse detonation engines is accomplished using magnetohydrodynamic principles. The pulse detonation engine includes a tube having an open forward end and an open aft end and a fuel-air inlet formed in the tube at the forward end. An ignite... | 11/26/2002 |
| 6464490 | Circular pulsating combustors A pulsating combustor has a plurality of annular plate elements (12), which are stacked in spaced vertical alignment so as to define a central space (14). There is a plurality of slot-like passages (18), one such passage between each adjacent pair of elem... | 10/15/2002 |
| 6430919 | Shaped charged engine A shaped charge engine includes an annular blast-forming chamber formed by joining inner and outer housings. A central through hole in the inner housing allows exhaust gases to exit. The outer housing comprises a generally round disk with an inner conical... | 08/13/2002 |
