Class 60/39.78 - Rotating, oscillating, or reciprocating

Subclass of Class 60 - Power plants
Definition: Combustion devices in which rotating, revolving, reciprocating,
No. of patents: 35
Last issue date: 02/12/2008

Number	Title	Issue Date
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
7251928	Pulse detonation engine and valve Pressure and density of a gaseous mixture are increased in the process of introducing the gaseous mixture into the combustor of an air-breathing pulse detonation engine employing atmospheric oxygen as an oxidizer. The exit valve 20 able to be opened and close...	08/07/2007
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
7124573	Rotary pulse detonation system with aerodynamic detonation passages for use in 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 a rotatable cylindrical member having a forward surface, an aft surface, and an outer circumferential surface, where...	10/24/2006
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
7080504	Laser augmented turbojet propulsion system The invention is a turbojet propulsion system which includes a compressor section, a turbine section coupled by a shaft to the compressor section, a combustion section mounted between the compressor section and the turbine section, and an exhaust duct coupled to the...	07/25/2006
7062901	Variable geometry nozzle with flexible side wall The disclosed device is directed toward a periodic combustion propulsion system. The periodic combustion propulsion system comprises at least one periodic combustion chamber configured to contain periodic combustion and at least one supersonic exhaust nozzle coupled...	06/20/2006
6981365	Supersonic revolving nozzle The disclosed device is directed toward a periodic combustion propulsion system. The periodic combustion propulsion system comprises at least one periodic combustion chamber configured to contain periodic combustion and at least one supersonic exhaust nozzle coupled...	01/03/2006
6978616	Hybrid piston-pulsed detonation engine A hybrid piston engine-pulsed detonation engine structure is provided for obtaining shaft power from a pulsed detonation engine wherein a piston engine operatively connected to a PDE. A deflagration to detonation transition is used to achieve detonations. The piston...	12/27/2005
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
6901738	Pulsed combustion turbine engine A turbine engine has a circumferential array of combustion chamber conduits downstream of the compressor and upstream of the turbine. Means are provided for directing oxygen-containing gas from the compressor to the conduits so as to cyclically feed a gas charge int...	06/07/2005
6889505	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 circum...	05/10/2005
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
6439503	Pulse detonation cluster engine A pulse detonation cluster includes a cluster housing and a plurality of pulse detonation engines mounted within the housing. Each pulse detonation engine has an inner tubular housing rigidly and concentrically mounted within a cylindrical bore of an oute...	08/27/2002
6381947	Fuel injection for a staged gas turbine combustion chamber In a staged gas turbine combustion engine, each combustion chamber of an annular array of chambers includes at least a pilot and a main combustion stage each having an fuel injection nozzle; the method includes feeding fuel continuously in operation to th...	05/07/2002
6212875	Direct fired compressor and method of producing compressed air An air compressor device and method for producing compressed air. The device comprises a rotatable cylinder assembly having a drive shaft extending along a central axis and three equally sized combustion chambers extending parallel to the center axis. The...	04/10/2001
5937635	Pulse detonation igniter for pulse detonation chambers A pulse detonation engine has a pulse ignition system, a plurality of detonation chambers (15), an oxygen source (33), and a fuel source (35). The oxygen source and the fuel source supply oxygen and fuel, respectively, to both the pulse ignition system an...	08/17/1999
5901550	Liquid fueled pulse detonation engine with controller and inlet and exit valves The invention provides a liquid fueled pulsed detonation air breathing engine. The engine has at least one, and preferably a multiplicity of, detonation chambers, each of which has an inlet end for opening and receiving a charge of fuel and air, and an ou...	05/11/1999
5615548	Dual rotor pulse detonation apparatus A pulse detonator particularly for an aircraft power supply has a tubular housing. A valve sleeve rotates within the bore of the housing. The valve sleeve and housing have ports which align with each other at least once per revolution. A manifold is mount...	04/01/1997
5579633	Annular pulse detonation apparatus and method A pulse detonation apparatus utilizes a rotatable core feed cylinder. The core feed cylinder is carried within a inner sidewall of a stationary annular detonation chamber. The core feed cylinder has ports in the sidewall that will register with ports in t...	12/03/1996
5557926	Pulse detonation apparatus with inner and outer Spherical valves A pulse detonation device is used to create high temperature high pressure pulses, such as for generating thrust for an aircraft or rocket. The device has a rotating cylinder located within a sleeve. A jacket is spaced outward from the sleeve. The seal an...	09/24/1996
5546744	Pulse detonation apparatus with spherical seals A pulse detonation apparatus utilizes an inner housing which rotates relative to an outer housing. The inner housing has spherical inner seal surfaces that rotate with it. The outer housing has mating spherical seal surfaces that rotationally receive the ...	08/20/1996
5513489	Rotary valve multiple combustor pulse detonation engine A pulse detonation engine is provided with at least one detonation combustor selectively coupled to an air inlet and fuel source. The detonation combustors are equipped with either active or passive means to dissipate the heat of detonation. Fuel, air, an...	05/07/1996
5473885	Pulse detonation engine A pulse detonation engine has a detonation chamber with a sidewall. At least two fuel ports are located in the sidewall, spaced longitudinally apart from each other. An oxygen fuel mixture is introduced into the forward port and detonated. This creates a ...	12/12/1995
5353588	Rotary valve multiple combustor pulse detonation engine A pulse detonation engine is provided with several detonation combustors selectively coupled to an air inlet and fuel source by a rotary valve. The rotary valve isolates the steady operation of the air inlet and fuel system from the unsteady nature of the...	10/11/1994
5345758	Rotary valve multiple combustor pulse detonation engine A pulse detonation engine is provided with several detonation combustors selectively coupled to an air inlet and fuel source by a rotary valve. The rotary valve isolates the steady operation of the air inlet and fuel system from the unsteady nature of the...	09/13/1994
5237811	Rotary internal combustion engine apparatus An internal combustion engine apparatus includes a structure defining an internal combustion chamber having opposite first and second ends, a mechanism for introducing fuel into the chamber, a mechanism for admitting air into the chamber at its first end ...	08/24/1993
4912924	Rotary internal combustion engine and power plant A rotary internal combustion engine and a power plant having at least one such engine. The engine has a generally cylindrical rotor with one or more helical grooves on the outside rotatably mounted in a cylinder, means for introducing a combustible fuel-a...	04/03/1990
4827717	Daerohydrophase engine The invention consists of an engine that converts hydrothermomechanical energy into thrust. There is but a single internal moving part . . . the piston. When in operation, the piston preforms two distinct functions: (1) as a valve allowing intermittent in...	05/09/1989
4708159	Pulse combustion energy system A pulse combustion energy system including a pulse combustor coupled to a processing tube for flowing material to be processed therethrough, the processing tube being coupled to a pair of cyclone collectors for receiving the material flowing therefrom. An...	11/24/1987
4603549	Explosion type rotary turbine engine A turbine engine has a axially elongated housing formed with a supercharging chamber and a plurality of angularly spaced combustion chambers having radially inwardly open intake sides. An intake is provided at the supercharging chamber and an outlet downs...	08/05/1986
4241576	Gas turbine engine The gas turbine engine includes a centrifugal fan having radial blades for receiving inlet air through inner entrance openings to spaces between adjacent blades. The air passes through outer exit openings from the spaces between the blades. Stationary inn...	12/30/1980
4149370	Self starting internal combustion engine with means for changing the expansion ratio A reciprocating internal combustion engine adapted to provide a selfstarting, controlled expansion and a substantially constant volume combustion in combustion chambers separated from the engine compression and expansion cylinders of the engine....	04/17/1979
4056930	Internal combustion turbine An engine includes a rotatable cylinder block having a plurality of cylinders reciprocally receiving pistons. A combustible mixture ignited successively in each cylinder is discharged for expansion through an exhaust port in a stationary member associated...	11/08/1977
3977185	Apparatus for generating high-temperature and high-pressure gas An apparatus for generating steam or like high-temperature and high-pressure gas for use in steam engines, steam turbines, internal combustion engines and heating systems. The apparatus comprises a combustion chamber, a rotor disposed within the combustio...	08/31/1976

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Class 60/39.78 - Rotating, oscillating, or reciprocating