Systems, methods, and apparatus for providing a multi-fuel hybrid rocket motor
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F02K-009/12
F02K-009/10
F02K-009/36
F02K-009/16
F02K-009/34
출원번호
US-0195629
(2011-08-01)
등록번호
US-9038368
(2015-05-26)
발명자
/ 주소
Fuller, Jerome K.
출원인 / 주소
THE AEROSPACE CORPORATION
대리인 / 주소
Sutherland Asbill & Brennan LLP
인용정보
피인용 횟수 :
0인용 특허 :
35
초록▼
Certain embodiments of the invention may include systems, methods, and apparatus for providing a multi-fuel hybrid rocket motor. According to an example embodiment of the invention, a method is provided for producing a multi-fuel hybrid motor. The method can include forming a body, where the body in
Certain embodiments of the invention may include systems, methods, and apparatus for providing a multi-fuel hybrid rocket motor. According to an example embodiment of the invention, a method is provided for producing a multi-fuel hybrid motor. The method can include forming a body, where the body includes one or more intake ports; one or more exit nozzles; one or more channels connecting the one or more intake ports with the one or more exit nozzles; and a plurality of cavities comprising segment walls in communication with the one or more channels. The method also includes depositing a propellant fuel within the plurality of cavities, wherein at least a portion of the propellant fuel is exposed to the one or more channels and wherein the propellant fuel has a higher burn consumption rate than the segment walls.
대표청구항▼
1. An apparatus comprising: a multi-fuel rocket motor comprising:a body comprising:an intake port; andan exit nozzle;a channel connecting the intake port with the exit nozzle;a turbulator fin extending into the channel connecting the intake port with the exit port;a plurality of cavities comprising
1. An apparatus comprising: a multi-fuel rocket motor comprising:a body comprising:an intake port; andan exit nozzle;a channel connecting the intake port with the exit nozzle;a turbulator fin extending into the channel connecting the intake port with the exit port;a plurality of cavities comprising one of plastic or rubber segment walls in communication with the channel wherein the segment walls have a first burn consumption rate; anda propellant fuel comprising liquefied paraffin disposed within the plurality of cavities, wherein at least a portion of the propellant fuel is exposed to the channel and wherein the propellant fuel has a second burn consumption rate that is higher than the first burn consumption rate of the segment walls. 2. The apparatus of claim 1, wherein a surface area associated with the exposed liquefied paraffin propellant fuel increases as the liquefied paraffin propellant fuel is consumed. 3. The apparatus of claim 1, wherein the segment walls are a solid fuel for the multi-fuel rocket motor and wherein the walls having a higher melting or deflagration temperature than the liquefied paraffin propellant fuel. 4. The apparatus of claim 1, wherein an oxidizer is input into the intake port (104) and is ignited with an igniter to produce a flame, which in combination with the oxidizer, reacts with at least the liquefied paraffin propellant fuel to produce thrust in the motor, and wherein the flow of oxidizer is caused to swirl within the motor by the orientation of at least a portion of the segment walls exposed to the oxidizer flow. 5. The apparatus of claim 1, wherein the body further comprises one or more of aluminum, steel, a carbon fiber composite, fiberglass, or aramid fiber. 6. An apparatus comprising: a rocket comprising:a multi-fuel rocket motor comprising:a body comprising:an interior surface and an exterior surface;an intake port; andan exit nozzle;a channel connecting the intake port with the exit nozzle, the channel comprising a longitudinal axis;a turbulator fin extending from the interior surface and into the channel connecting the intake port with the exit nozzle, wherein the turbulator fin extends in a helicoidal pattern along the longitudinal axis of the channel;at least one cavity, wherein the cavity is defined based at least in part on the turbulator fin and wherein the at least one cavity is in fluid communication with the channel; anda propellant fuel disposed within the at least one cavity, wherein at least a portion of the propellant fuel is exposed to the channel and wherein the propellant fuel has a higher burn consumption rate than the turbulator fin. 7. The apparatus of claim 6, wherein a surface area associated with the exposed propellant fuel increases as the propellant fuel is consumed. 8. The apparatus of claim 6, wherein the turbulator fin comprises a solid fuel having a higher melting or deflagration temperature than the propellant fuel. 9. The apparatus of claim 6, wherein the propellant fuel comprises one or more of animal wax, vegetable wax, mineral wax, petroleum wax, synthetic wax, rubber, acrylic, PVC, kerosene, alcohol, vegetable oil, petroleum oil, liquid methane, solid methane, or liquefied natural gas. 10. The apparatus of claim 6, wherein an oxidizer is input into the intake port and is ignited with an igniter to produce a flame, which in combination with the oxidizer, reacts with at least the propellant fuel to produce thrust in the motor, and wherein turbulence is induced into the flow of oxidizer by the turbulator fin within the motor. 11. The apparatus of claim 6, wherein the propellant fuel is liquefied paraffin and wherein the turbulator fin is acrylic. 12. A method for producing a multi-fuel rocket motor, the method comprising: forming a motor casing body comprising:an interior surface and an exterior surface;an intake port; andan exit nozzle;forming a channel connecting the intake port with the exit nozzle, wherein the channel comprises a longitudinal axis;forming a plurality of turbulator fins within the motor casing body, each of the plurality of turbulator fins extending from the interior surface of the motor casing body and into the channel, wherein each of the plurality of turbulator fins extends in a helicoidal pattern along a longitudinal axis of the at least one channel; andat least one cavity defined by the plurality of turbulator fins and in fluid communication with the channel; anddepositing a propellant fuel within the at least one cavity, wherein at least a portion of the propellant fuel is exposed to the channel and wherein the propellant fuel has a higher burn consumption rate than the plurality of turbulator fins. 13. The method of claim 12, wherein forming the body and depositing a propellant fuel (108) within the at least one cavity comprises forming a surface area associated with the exposed propellant fuel that is operable to increase as the propellant fuel is consumed. 14. The method of claim 12, wherein forming the body further comprises forming a plurality of segment walls along the plurality of turbulator fins, the segment walls comprising a solid fuel having a higher melting or deflagration temperature than the propellant fuel. 15. The method of claim 14, wherein the segment walls comprise one or more of thermoplastic, thermoset plastic, acrylic, aluminum, polybutadiene acrylic acid acrylonitrile (PBAN), hydroxy-terminator polybutadiene (HTPB), paper, cloth, phenolic, aramid fibers, polyethylene, polypropylene, ABS plastic, PVC, polycarbonate, polystyrene, acetyl, epoxy, rubber, nylon, carbon fiber cloth, or metal. 16. The method of claim 12, wherein the propellant fuel comprises one or more of animal wax, vegetable wax, mineral wax, petroleum wax, synthetic wax, rubber, acrylic, PVC, kerosene, alcohol, vegetable oil, petroleum oil, liquid methane, solid methane, or liquefied natural gas within the plurality of cavities. 17. The method of claim 12, wherein forming the body and depositing a propellant fuel within the at least one cavity is done concurrently using rapid prototyping. 18. The apparatus of claim 1, wherein the turbulator fin extends in a helicoidal pattern along a longitudinal axis of the at least one channel. 19. The apparatus of claim 1, further comprising a plurality of turbulator fins extending into the channel, each of the plurality of turbulator fins extending in a helicoidal pattern along a longitudinal axis of the channel. 20. The apparatus of claim 6, further comprising a plurality of turbulator fins extending into the channel, each of the plurality of turbulator fins extending in a helicoidal pattern along a longitudinal axis of the channel.
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