DE1150879B - Device for deflecting a flow center jet - Google Patents
Device for deflecting a flow center jetInfo
- Publication number
- DE1150879B DE1150879B DEH42404A DEH0042404A DE1150879B DE 1150879 B DE1150879 B DE 1150879B DE H42404 A DEH42404 A DE H42404A DE H0042404 A DEH0042404 A DE H0042404A DE 1150879 B DE1150879 B DE 1150879B
- Authority
- DE
- Germany
- Prior art keywords
- outlet
- jet
- deflecting
- outlet nozzle
- thrust
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C29/00—Aircraft capable of landing or taking-off vertically, e.g. vertical take-off and landing [VTOL] aircraft
- B64C29/0008—Aircraft capable of landing or taking-off vertically, e.g. vertical take-off and landing [VTOL] aircraft having its flight directional axis horizontal when grounded
- B64C29/0041—Aircraft capable of landing or taking-off vertically, e.g. vertical take-off and landing [VTOL] aircraft having its flight directional axis horizontal when grounded the lift during taking-off being created by jet motors
- B64C29/0066—Aircraft capable of landing or taking-off vertically, e.g. vertical take-off and landing [VTOL] aircraft having its flight directional axis horizontal when grounded the lift during taking-off being created by jet motors with horizontal jet and jet deflector
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02K—JET-PROPULSION PLANTS
- F02K1/00—Plants characterised by the form or arrangement of the jet pipe or nozzle; Jet pipes or nozzles peculiar thereto
- F02K1/002—Plants characterised by the form or arrangement of the jet pipe or nozzle; Jet pipes or nozzles peculiar thereto with means to modify the direction of thrust vector
- F02K1/004—Plants characterised by the form or arrangement of the jet pipe or nozzle; Jet pipes or nozzles peculiar thereto with means to modify the direction of thrust vector by using one or more swivable nozzles rotating about their own axis
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Jet Pumps And Other Pumps (AREA)
Description
Vorrichtung zum Ablenken eines Strömungsmittelstrahles Die Erfindung betrifft eine Vorrichtung zum Ablenken eines Strömungsmittelstrahles, insbesondere bei einem Strahltriebwerk für Flugkörper zur Veränderung der Schubrichtung.Device for deflecting a fluid jet The invention relates to a device for deflecting a fluid jet, in particular in a jet engine for missiles to change the direction of thrust.
Bei einer bekannten Ablenkvorrichtung für ein Strahltriebwerk ist ein Auslaßstutzen um eine tangentiale Querachse zu einem vorderen Rohrstück das Strahltriebwerks schwenkbar. Über dieses Rohrstück, das eine nach rückwärts geneigte Austrittsebene aufweist, wird der Auslaßstutzen, der in der Nähe der Schwenkachse in seinem unteren Teil geradlinig und in seinem oberen Teil bogenförmig gestaltet ist, für den Horizontalflug geschwenkt. Das vordere Rohrstück weist an seinem Ende, über das der bogenförmige Teil des Auslaßstutzens zu liegen kommt, eine entsprechende Krümmung auf. Durch diese Krümmung wird ein geradliniger Verlauf des Schubstrahles während des Horizontalfluges verhindert. Es entstehen Wirbel, die die Schubleistung herabsetzen. Um die Wirbelbildung zu bekämpfen, sind Lenkbleche im vorderen Teil des Auslaßstutzens eingebaut. Aber auch diese erhöhen die Verluste. Außerdem kann der Umstand, daß die beiden gekrümmten Rohrteile dicht übereinander liegen, bei den auftretenden hohen Temperaturen zu einer Klemmung durch Verziehen der Wandungsteile führen.In a known deflection device for a jet engine an outlet nozzle around a tangential transverse axis to a front pipe section that Swiveling jet engine. About this piece of pipe, the one sloping backwards Has exit plane, the outlet nozzle, which is in the vicinity of the pivot axis rectilinear in its lower part and arched in its upper part is pivoted for level flight. The front pipe section has at its end, over which the arcuate part of the outlet pipe comes to rest, a corresponding one Curvature up. This curvature results in a straight course of the thrust jet prevented during level flight. There are eddies that reduce the thrust reduce. To combat the formation of eddies, there are guide plates in the front part of the outlet connection installed. But even these increase the losses. Also can the fact that the two curved pipe parts are close together, with The high temperatures that occur lead to jamming due to distortion of the wall parts to lead.
Der Erfinder hat sich die Aufgabe gestellt, diese Mängel zu vermeiden. Erfindungsgemäß weist das vordere Rohrstück die Gestalt eines Zylinders auf, über den der bogenförmige Teil des Auslaßstutzens in dessen innerer Schwenklage faßt, so daß sich in dieser Lage ein geradliniger Verlauf des Schubstrahles ergibt. Hierdurch wird auch eine günstige Abdichtung ermöglicht. Denn der Auslaßstutzen befindet sich in seiner eingeschwenkten Lage nur am hinteren Ende des vorderen Rohres in unmittelbarer Nähe mit diesem.The inventor set himself the task of avoiding these shortcomings. According to the invention, the front pipe section has the shape of a cylinder which the curved part of the outlet connection grips in its inner pivot position, so that in this position there is a straight course of the thrust jet. Through this a favorable seal is also made possible. Because the outlet is located in its pivoted position only at the rear end of the front tube in the immediate vicinity Close with this.
Zur Abdichtung des Auslaßstutzens gegenüber dem vorderen Rohr können am Ende des letzteren nebeneinander angelenkte Klappen dienen, die sich gegen die Innenwand des Auslaßstutzens gegebenenfalls unter Federwirkung anlegen.To seal the outlet from the front pipe you can at the end of the latter, hinged flaps serve against the If necessary, place the inner wall of the outlet connection under the action of a spring.
In der Zeichnung ist ein Ausführungsbeispiel der Erfindung dargestellt. Es zeigt Fig. 1 einen Längsschnitt durch den hinteren Teil des Strahltriebwerks mit in die koaxiale Lage geschwenktem Auslaßstutzen, Fig. 2 einen Längsschnitt mit nach unten geschwenktem Auslaßstutzen, Fig. 3 einen Querschnitt nach der Linie A-B der Fig. 1, Fig. 4 einen Längsschnitt nach der Linie C-D der Fig. 3.An exemplary embodiment of the invention is shown in the drawing. 1 shows a longitudinal section through the rear part of the jet engine with the outlet connector pivoted into the coaxial position, FIG. 2 shows a longitudinal section downwardly pivoted outlet connection, Fig. 3 shows a cross section along the line A-B 1 and 4 show a longitudinal section along the line C-D in FIG. 3.
An das mit 1 bezeichnete Triebwerk ist ein konischer Ring 7 angesetzt, der sich in der Höhe von Nachbrenndüsen 8 befindet. An diesem Ring 7 ist ein gerades Rohrstück 2 angeflanscht, das schräg zur Achse geschnitten ist. Über dieses Rohrstück 2 kann der Auslaßstutzen 4 geschwenkt werden, und zwar um eine quer zur Achse des vorderen Rohrstückes 2 liegende Achse 3. An den Auslaßstutzen 4 ist eine Auslaßdüse 5 angesetzt. Zur Abdichtung des Auslaßstutzens 4 dienen am Ende des vorderen Rohrstückes 2 nebeneinander angelenkte Klappen 6, die sich unter dem Druck des Triebwerkstrahles an die Innenwand des Auslaßstutzens 4 legen. Die beiden Rohrstücke 2 und 4 sowie die Auslaßdüse 5 können bei geeigneter Auskleidung 9 als Nachbrennkammern benutzt werden mit höherer Temperatur in der Stellung für gerade, nicht abgelenkte Strahlrichtung.A conical ring 7 is attached to the engine marked 1, which is at the level of afterburning nozzles 8. On this ring 7 is a straight one Flanged pipe section 2, which is cut at an angle to the axis. About this piece of pipe 2, the outlet 4 can be pivoted, namely by a transverse to the axis of the front pipe section 2 lying axis 3. On the outlet nozzle 4 is an outlet nozzle 5 set. To seal the outlet 4 are used at the end of the front pipe section 2 side by side hinged flaps 6, which are under the pressure of the engine jet Place on the inner wall of the outlet nozzle 4. The two pipe pieces 2 and 4 as well the outlet nozzle 5 can, with a suitable lining 9, be used as afterburning chambers are at a higher temperature in the position for straight, undeflected beam direction.
Die Wirkung der Vorrichtung ist ohne weiteres aus der Zeichnung erkennbar. Während des normalen Fluges befindet sich derAuslaßstutzen im allgemeinen in der aus Fig. 1 ersichtlichen Stellung, so daß der Triebwerksstrahl geradlinig verläuft. Zum Starten oder Landen wird der Auslaßstutzen um die Achse 3 in die gewünschte Lage geschwenkt.The effect of the device can be easily seen from the drawing. During normal flight the outlet port is generally in the from Fig. 1 apparent position, so that the engine jet runs in a straight line. For take-off or landing, the outlet port around axis 3 is in the desired position Swiveled position.
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEH42404A DE1150879B (en) | 1961-04-25 | 1961-04-25 | Device for deflecting a flow center jet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEH42404A DE1150879B (en) | 1961-04-25 | 1961-04-25 | Device for deflecting a flow center jet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1150879B true DE1150879B (en) | 1963-06-27 |
Family
ID=7154843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DEH42404A Pending DE1150879B (en) | 1961-04-25 | 1961-04-25 | Device for deflecting a flow center jet |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE1150879B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1277639B (en) * | 1966-01-28 | 1968-09-12 | M A N Turbo G M B H | Additional combustion device for heating the gases of a turbine jet engine |
| DE1279557B (en) * | 1961-01-19 | 1968-10-03 | Bulova Watch Co Inc | Tuning fork as a time-determining link for an electric clock |
| DE1298371B (en) * | 1964-07-24 | 1969-06-26 | Snecma | Swivel nozzle for recoil engines |
| US3835643A (en) * | 1972-11-21 | 1974-09-17 | Mc Donnell Douglas Corp | Nested toroid nozzle apparatus |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1080406B (en) * | 1958-08-27 | 1960-04-21 | Daimler Benz Ag | Aircraft, especially vertical take-off and short take-off aircraft |
| FR1255749A (en) * | 1960-04-29 | 1961-03-10 | Bmw Triebwerkbau Gmbh | Airplane with jet propulsion and with a device for vertical take-off and landing |
-
1961
- 1961-04-25 DE DEH42404A patent/DE1150879B/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1080406B (en) * | 1958-08-27 | 1960-04-21 | Daimler Benz Ag | Aircraft, especially vertical take-off and short take-off aircraft |
| FR1255749A (en) * | 1960-04-29 | 1961-03-10 | Bmw Triebwerkbau Gmbh | Airplane with jet propulsion and with a device for vertical take-off and landing |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1279557B (en) * | 1961-01-19 | 1968-10-03 | Bulova Watch Co Inc | Tuning fork as a time-determining link for an electric clock |
| DE1298371B (en) * | 1964-07-24 | 1969-06-26 | Snecma | Swivel nozzle for recoil engines |
| DE1277639B (en) * | 1966-01-28 | 1968-09-12 | M A N Turbo G M B H | Additional combustion device for heating the gases of a turbine jet engine |
| US3835643A (en) * | 1972-11-21 | 1974-09-17 | Mc Donnell Douglas Corp | Nested toroid nozzle apparatus |
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