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DE329465C - Reinforcement for aircraft fuselages - Google Patents

Reinforcement for aircraft fuselages

Info

Publication number
DE329465C
DE329465C DENDAT329465D DE329465DD DE329465C DE 329465 C DE329465 C DE 329465C DE NDAT329465 D DENDAT329465 D DE NDAT329465D DE 329465D D DE329465D D DE 329465DD DE 329465 C DE329465 C DE 329465C
Authority
DE
Germany
Prior art keywords
reinforcement
openings
aircraft fuselages
engine
fuselage
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.)
Expired
Application number
DENDAT329465D
Other languages
German (de)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
RUMPLER WERKE GmbH
Original Assignee
RUMPLER WERKE GmbH
Publication date
Application granted granted Critical
Publication of DE329465C publication Critical patent/DE329465C/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64CAEROPLANES; HELICOPTERS
    • B64C1/00Fuselages; Constructional features common to fuselages, wings, stabilising surfaces or the like
    • B64C1/06Frames; Stringers; Longerons ; Fuselage sections
    • B64C1/061Frames
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64CAEROPLANES; HELICOPTERS
    • B64C1/00Fuselages; Constructional features common to fuselages, wings, stabilising surfaces or the like
    • B64C2001/0054Fuselage structures substantially made from particular materials
    • B64C2001/0063Fuselage structures substantially made from particular materials from wood

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Rod-Shaped Construction Members (AREA)

Description

Versteifung für Flugzeugrümpfe. Im Bootsbau ist es bereits bekannt, zur Versteifung der oberen, Ränder, der Bootswände wagerechte Querstäbe, trägerartige Platten o. dgl. zwischen die Wände einzufügen. Die Übertragung derartiger Querverbindungen auf die. Stellen von Flugzeugen; wo sich Motor- oder Einstiegöffnungen befinden, würde immerhin noch erheblichen Gewichtsaufwand erfordern und zudem die lichte Weite der Öffnungen in störender Weise beeinträchtigen. Gemäß @d'er Erfindung werden solche Öffnungen unter Vermeidung von Querverbindungen mit Randeinfassungen aus mehrlagigem Sperrholz versehen, deren Hauptausdehnung in einer Ebene parallel zum Rande der eingefaßten Öffnungen liegst.Reinforcement for aircraft fuselages. In boat building it is already known to stiffen the upper, edges, the boat walls horizontal cross bars, girder-like Insert plates or the like between the walls. The transmission of such cross connections on the. Placement of aircraft; where the engine or access openings are located, would still require considerable weight expenditure and also the clear width affect the openings in a disruptive manner. According to the invention, such Openings while avoiding cross connections with edging made of multilayer Plywood, the main extent of which is in a plane parallel to the edge of the lined openings.

Auf der Zeichnung ist Fig. i der Längsschnitt durch den vorderen Teil des Rumpfes, Fig. 2 die Oberansicht, Fig. 3 und q. Teilschnitte nach III-III und IV-IV .der Fig. 2.In the drawing, Fig. I is the longitudinal section through the front part of the fuselage, Fig. 2 the top view, Fig. 3 and q. Partial sections according to III-III and IV-IV. Of Fig. 2.

i ist der Rumpfboden; :2,:2 sind,die Seitenwände; 3 ist die Motorkammer, von welcher bloß der Motorträger ¢ eingezeichnet ist; 5 'und 6 sind die Kammern für Führer und Beobachter.i is the bottom of the fuselage; : 2,: 2 are the side walls; 3 is the motor chamber, of which only the engine mount ¢ is drawn; 5 'and 6 are the chambers for guides and observers.

Inder Rumpfdecke befindet sich bei 7 eine Öffnung zum- Einbringen dies Motors, bei 8 und 9 weitere Öffnungen:, die als Einstieg für Führer und Beobachter dienen. io und[ i i sind Scheidewände zum Trennen der genannten Kammern und zur Herstellung einer Querversteifung für den Rumpf.In the fuselage ceiling there is an opening for introduction at 7 this engine, at 8 and 9 more openings: that as an entry point for guides and observers to serve. io and [i i are partitions for separating the named chambers and for Manufacture of cross bracing for the fuselage.

Das Wesen der Erfindung liegt nun darin, daß die seitlichen Begrenzungen 12, und 13 für die Motor- und Beobachterkammerdecke, ferner die vordere Begrenzung 1q. der Führerkammerdecke als Träger ausgebildet sind, wobei Widerstandsfähigkeit, insbesondere gegenüber in wagerechtem Sinn wirkenden Biegungskräften, erreicht wird. Dieser Träger ist zweckmäßig aus mehrlagigem Sperrholz angefertigt, also hochkant gegenüber wagerechten Biegungskräftenangeordnet. Diese Träger sind an jenen Stellen, wo sich Querwände befinden, also beispielsweise bei den in Fig. 3 herausgezeichnetem Querschnitt, besonders kräftig durchgebildet (d. h. in der Kraftrichtung höher als zwischen zwei aufeinanderfolgenden Querwänden).The essence of the invention lies in the fact that the lateral boundaries 12 and 13 for the motor and observer chamber ceiling, and also the front boundary 1q. the driver's chamber ceiling are designed as a carrier, resistance, in particular against bending forces acting in the horizontal direction, is achieved. This carrier is expediently made of multilayer plywood, that is, it is arranged upright against horizontal bending forces. These supports are particularly strong at those points where there are transverse walls, for example in the cross-section shown in FIG. 3 (ie higher in the direction of force than between two successive transverse walls).

Claims (1)

PATENTANSPRUCH: Versteifung für Flugzeugrümpfe an den Stellen, wo sich Motor- oder Einstiegöffnungen befinden, dadurch gekennzeichnet, daß diese Öffnungen mit Randeinfassungen aus mehrlagigem Sperrholz versehen sind:, deren Hauptausdehnung in einer Ebene parallel zum Rande der eingefaßten Öffnung liegt. Claim: stiffening for aircraft fuselages at the points where there are engine or access openings, characterized in that these openings are provided with edging made of multilayer plywood, the main extent of which lies in a plane parallel to the edge of the enclosed opening.
DENDAT329465D Reinforcement for aircraft fuselages Expired DE329465C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE329465T

Publications (1)

Publication Number Publication Date
DE329465C true DE329465C (en) 1920-11-23

Family

ID=6187080

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT329465D Expired DE329465C (en) Reinforcement for aircraft fuselages

Country Status (1)

Country Link
DE (1) DE329465C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE972788C (en) * 1939-03-21 1959-10-15 Ambi Budd Presswerk G M B H Frame for self-supporting and non-self-supporting car bodies

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE972788C (en) * 1939-03-21 1959-10-15 Ambi Budd Presswerk G M B H Frame for self-supporting and non-self-supporting car bodies

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