WO2008142290A2 - Procédé et dispositif pour alimenter un moteur de propulsion spatiale en ergols cryogéniques liquides - Google Patents
Procédé et dispositif pour alimenter un moteur de propulsion spatiale en ergols cryogéniques liquides Download PDFInfo
- Publication number
- WO2008142290A2 WO2008142290A2 PCT/FR2008/000517 FR2008000517W WO2008142290A2 WO 2008142290 A2 WO2008142290 A2 WO 2008142290A2 FR 2008000517 W FR2008000517 W FR 2008000517W WO 2008142290 A2 WO2008142290 A2 WO 2008142290A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- propellant
- mixture
- enclosure
- combustion chamber
- injection means
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02K—JET-PROPULSION PLANTS
- F02K9/00—Rocket-engine plants, i.e. plants carrying both fuel and oxidant therefor; Control thereof
- F02K9/42—Rocket-engine plants, i.e. plants carrying both fuel and oxidant therefor; Control thereof using liquid or gaseous propellants
- F02K9/44—Feeding propellants
- F02K9/50—Feeding propellants using pressurised fluid to pressurise the propellants
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02K—JET-PROPULSION PLANTS
- F02K9/00—Rocket-engine plants, i.e. plants carrying both fuel and oxidant therefor; Control thereof
- F02K9/42—Rocket-engine plants, i.e. plants carrying both fuel and oxidant therefor; Control thereof using liquid or gaseous propellants
- F02K9/44—Feeding propellants
- F02K9/52—Injectors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02K—JET-PROPULSION PLANTS
- F02K9/00—Rocket-engine plants, i.e. plants carrying both fuel and oxidant therefor; Control thereof
- F02K9/42—Rocket-engine plants, i.e. plants carrying both fuel and oxidant therefor; Control thereof using liquid or gaseous propellants
- F02K9/44—Feeding propellants
- F02K9/56—Control
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2260/00—Function
- F05D2260/20—Heat transfer, e.g. cooling
- F05D2260/205—Cooling fluid recirculation, i.e. after cooling one or more components is the cooling fluid recovered and used elsewhere for other purposes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/8593—Systems
- Y10T137/87153—Plural noncommunicating flow paths
Definitions
- the present invention relates to space propulsion engines powered by liquid cryogenic propellants.
- the present invention aims to overcome this disadvantage.
- the method for supplying liquid cryogenic propellants to the combustion chamber of a space propulsion engine, via injection means enclosed in an enclosure is remarkable in that: upstream of said enclosure, mixing is carried out at constant pressure of the fuel propellant and the combustion propellant;
- said mixture is introduced into said chamber via an orifice thereof;
- injection means for varying the flow rate of said injected mixture.
- the thrust of the engine by varying the injected mixture flow, without changing the supply pressure of said propellant injection means.
- the fuel propellant / propellant ratio remains constant in the injected mixture irrespective of the pressure drop of the mixture through said injection means and regardless of the flow rate of the mixture injected by these latter.
- the variable geometry of said injection means is dimensioned so as to ensure a pressure drop of the mixture sufficient to maintain, over a wide range of flow, a good stability of the combustion of said mixture in said combustion chamber.
- the propellants are chosen to present temperatures and liquefaction pressures close.
- the combustible propellant may be liquid methane, while the propellant propellant may be liquid oxygen.
- a device which comprises a fuel propellant tank, an oxidant propellant tank and means for constantly pressurizing said tanks, and in which: - upstream of said chamber are provided means for mixing said fuel propellant and said propellant propellant at constant pressure; - Communication means connect said mixing means to an orifice of said enclosure; and
- Said injection means are adapted to vary the flow rate of said injected constant pressure mixture.
- Said injection means may comprise a plurality of needles, each of which cooperates with a calibrated orifice.
- Said plurality of needles may be carried by a first plate, and the corresponding plurality of calibrated orifices may be formed in a second plate, means being provided for imparting a relative movement toward and away from said first and second plates.
- said means for constant pressurization are common to both propellant tanks.
- said motor comprises a cooling circuit around said combustion chamber
- said mixture to be supplied to said enclosure via said cooling circuit.
- the mixing means of the two propellants provide turbulence stirring thereof. They may be external to said engine and, in this case, it is advantageous that they are thermally connected to a heat source, for example the combustion chamber, to ensure that the temperature of the mixture is such that, at the pressure supply of the injection means, none of said propellant passes in solid phase at the output of said mixing means.
- said cooling circuit of the combustion chamber itself forms said mixing means.
- a pump can be provided to increase the feed pressure of the propellant injection means, provided that the propellant mixture remains at a temperature ensuring that there can be no solid phase in the propellant. the pipes.
- Figure 1 is a schematic partial view of a space propulsion engine and its liquid cryogenic propellant supply device to illustrate the present invention.
- FIG. 2 illustrates, in a view similar to FIG. 1, an alternative embodiment of propellant mixing means.
- FIGS. 1 and 2 diagrammatically and partially show a space propulsion engine through its combustion chamber 1, provided with propellant injection means 2 and a gas evacuation nozzle 3, and cooled by a peripheral cooling circuit 4.
- the propellant injection means 2 comprise an enclosure 5 into which the peripheral cooling circuit 4 opens out to 6.
- the enclosure 5 is in communication with the combustion chamber 1 via a plate 7 provided with a plurality of calibrated through orifices 8, for example distributed in concentric circles or in rows and columns (see also FIG. 3).
- the enclosure 5 contains a plate 9 at least substantially parallel to the plate 7 and can be moved towards and away from the latter (as is symbolized by the double arrow F) by means of an actuator 10, for example a jack.
- the plate 9 On its face facing the plate 7, the plate 9 carries a plurality of pins 1 1, arranged in correspondence with said holes 8, so that each needle 1 1 can cooperate with a calibrated orifice 8 to define the passage section of the latter.
- this passage section is variable under the control of the actuator 10.
- a reservoir 12 of propellant propellant for example liquid oxygen
- a reservoir 13 fuel propellant for example liquid methane
- the outlets 15 and 16 of the reservoirs 12 and 13 are connected to a mixer 17 outside the engine 1, 2, 3 and able to form the mixture of said propellants and to send said mixture to the cooling circuit. 4 by its exit 18.
- the system shown in FIG. 2 does not have a mixer 17.
- the outlets 15 and 16 of the reservoirs 12 and 13 are individually connected to the cooling circuit 4 via calibrated orifices 19 and 20, respectively. in this case, the mixture of propellants is thus carried out in the cooling circuit 4.
- the propellant mixture enters constant pressure in the chamber 5 and is injected with variable flow into said combustion chamber 1 by the injection means 7 to 1 1 .
- the thrust P of the engine according to the present invention can be adjusted by adjusting the flow rate of the propellant mixture by the injection means. 7 to 1 1, the feed pressure of the latter by said mixture remaining constant.
- an igniter (not shown) is provided for example in the center or at the periphery of the plate 7.
- each calibrated hole 8 of the plate 7 has a length E ratio with a sufficiently high diameter ⁇ .
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fuel-Injection Apparatus (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
Description
Claims
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US12/597,052 US8720184B2 (en) | 2007-04-25 | 2008-04-14 | Method and device for supplying a space propulsion engine with liquid cryogenic propellants |
| JP2010504782A JP5044013B2 (ja) | 2007-04-25 | 2008-04-14 | 宇宙用推進エンジンに極低温液体推進燃料を供給する方法と装置 |
| BRPI0809823 BRPI0809823A2 (pt) | 2007-04-25 | 2008-04-14 | "processo para alimentar com propelentes criogénicos líquidos a cámara de combustão de um motor de propulsão espacial e dispositivo para alimentar com propelentes criogénicos líquidos um motor de propulsão espacial" |
| EP08787951.6A EP2142788B1 (fr) | 2007-04-25 | 2008-04-14 | Procédé et dispositif pour alimenter un moteur de propulsion spatiale en ergols cryogéniques liquides |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0702996 | 2007-04-25 | ||
| FR0702996A FR2915528B1 (fr) | 2007-04-25 | 2007-04-25 | Procede et dispositif pour alimenter un moteur de propulsion spatiale en ergols cryogeniques liquides. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| WO2008142290A2 true WO2008142290A2 (fr) | 2008-11-27 |
| WO2008142290A3 WO2008142290A3 (fr) | 2009-02-19 |
Family
ID=38961174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/FR2008/000517 Ceased WO2008142290A2 (fr) | 2007-04-25 | 2008-04-14 | Procédé et dispositif pour alimenter un moteur de propulsion spatiale en ergols cryogéniques liquides |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US8720184B2 (fr) |
| EP (1) | EP2142788B1 (fr) |
| JP (1) | JP5044013B2 (fr) |
| BR (1) | BRPI0809823A2 (fr) |
| FR (1) | FR2915528B1 (fr) |
| WO (1) | WO2008142290A2 (fr) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10119496B2 (en) | 2014-04-15 | 2018-11-06 | Cummins Inc. | Cryogenic fuel injection and combustion |
| KR101766342B1 (ko) * | 2015-12-30 | 2017-08-08 | 한국항공대학교산학협력단 | 슬리브 핀틀을 사용하는 자발가압식 가변추력 로켓엔진 |
| CN105650459B (zh) * | 2015-12-31 | 2017-11-24 | 西安航天动力试验技术研究所 | 一种液氧/煤油发动机地面试车过冷液氧供应系统 |
| US20170335801A1 (en) * | 2016-05-20 | 2017-11-23 | Alphaport, Inc. | Spark Exciter Variable Control Unit |
| EP4112912A4 (fr) * | 2020-02-28 | 2024-03-20 | IHI Corporation | Appareil de combustion de moteur-fusée |
| US12393915B2 (en) | 2020-12-18 | 2025-08-19 | Strong Force Vcn Portfolio 2019, Llc | Variable-focus dynamic vision for robotic system |
| US20230109096A1 (en) | 2020-12-18 | 2023-04-06 | Strong Force Vcn Portfolio 2019, Llc | Maintenance Prediction and Health Monitoring for Robotic Fleet Management |
| EP4337467A4 (fr) | 2021-05-11 | 2025-05-07 | Strong Force VCN Portfolio 2019, LLC | Systèmes, procédés, kits et appareils de mémorisation et d'interrogation distribués en périphérie dans des réseaux à chaîne de valeur |
| CN113446133B (zh) * | 2021-08-30 | 2021-11-23 | 西安航天动力研究所 | 富氧富甲烷气气喷注单元地面筛选试验装置及试验方法 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2810254A (en) | 1954-03-19 | 1957-10-22 | J D Buchanan | Yarn twisting device |
| US4726184A (en) | 1985-09-09 | 1988-02-23 | Rockwell International Corporation | Rocket engine assembly |
| US20020056762A1 (en) | 1999-04-01 | 2002-05-16 | Daimlerchrysler Ag | Coolable nozzle and method for producing such a nozzle for a rocket engine |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2810529A (en) | 1957-10-22 | Hammermill rotor including paired | ||
| DE716175C (de) * | 1935-02-09 | 1942-01-14 | Eugen Saenger Dr Ing | Raketenmotor |
| US2323049A (en) | 1941-06-12 | 1943-06-29 | Alfred K Johnson | Skate scabbard |
| US2995008A (en) * | 1953-02-26 | 1961-08-08 | Phillips Petroleum Co | Fuel and oxidant control system and process for variable thrust rocket and jet engines |
| US2810259A (en) * | 1956-04-04 | 1957-10-22 | Reaction Motors Inc | Injector for reaction motor |
| US3013388A (en) * | 1958-10-01 | 1961-12-19 | Hughes Aircraft Co | Gas generating apparatus |
| US3232049A (en) * | 1962-05-04 | 1966-02-01 | Gen Motors Corp | Fluid injection apparatus |
| US3365889A (en) * | 1964-05-27 | 1968-01-30 | United Aircraft Corp | Propellant aeration system |
| US3534555A (en) * | 1968-03-06 | 1970-10-20 | Webb James E | Laminar flow enhancement |
| US4722185A (en) * | 1985-09-09 | 1988-02-02 | Rockwell International Corporation | Double piston rocket engine assembly |
| US4707983A (en) * | 1986-11-24 | 1987-11-24 | Rockwell International Corporation | Flexure disc sealed integral bipropellant valve and injector valve assembly |
| US4901525A (en) * | 1988-03-09 | 1990-02-20 | Acurex Corporation | Booster-sustainer rocket engine and method |
| JPH03130565A (ja) * | 1989-10-12 | 1991-06-04 | Toshiba Corp | 推進装置 |
| US5941062A (en) * | 1995-05-11 | 1999-08-24 | Societe Europeenne De Propulsion | Pulse rocket engine |
| FR2734025B1 (fr) * | 1995-05-11 | 1997-08-01 | Europ Propulsion | Moteur fusee a propergol liquide, a impulsions |
| JP3925820B2 (ja) * | 1996-07-22 | 2007-06-06 | 株式会社アイ・エイチ・アイ・エアロスペース | キャビテーションベンチュリバルブ |
| JP4460795B2 (ja) * | 2001-04-24 | 2010-05-12 | 独立行政法人 宇宙航空研究開発機構 | スラスタ装置 |
| JP4784973B2 (ja) * | 2005-07-15 | 2011-10-05 | 雅弘 高野 | 液体酸化剤、これを用いた推進薬及び高温ガス発生方法 |
-
2007
- 2007-04-25 FR FR0702996A patent/FR2915528B1/fr not_active Expired - Fee Related
-
2008
- 2008-04-14 BR BRPI0809823 patent/BRPI0809823A2/pt not_active IP Right Cessation
- 2008-04-14 US US12/597,052 patent/US8720184B2/en not_active Expired - Fee Related
- 2008-04-14 EP EP08787951.6A patent/EP2142788B1/fr not_active Not-in-force
- 2008-04-14 WO PCT/FR2008/000517 patent/WO2008142290A2/fr not_active Ceased
- 2008-04-14 JP JP2010504782A patent/JP5044013B2/ja not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2810254A (en) | 1954-03-19 | 1957-10-22 | J D Buchanan | Yarn twisting device |
| US4726184A (en) | 1985-09-09 | 1988-02-23 | Rockwell International Corporation | Rocket engine assembly |
| US20020056762A1 (en) | 1999-04-01 | 2002-05-16 | Daimlerchrysler Ag | Coolable nozzle and method for producing such a nozzle for a rocket engine |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2010525236A (ja) | 2010-07-22 |
| JP5044013B2 (ja) | 2012-10-10 |
| BRPI0809823A2 (pt) | 2014-10-07 |
| EP2142788B1 (fr) | 2016-12-28 |
| WO2008142290A3 (fr) | 2009-02-19 |
| US20100115917A1 (en) | 2010-05-13 |
| US8720184B2 (en) | 2014-05-13 |
| EP2142788A2 (fr) | 2010-01-13 |
| FR2915528B1 (fr) | 2012-07-06 |
| FR2915528A1 (fr) | 2008-10-31 |
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