EP0158705A2 - Tube de tuyère pour jet de gaz pour l'opération de la culasse et le transport de la munition d'une arme automatique à canon - Google Patents

Tube de tuyère pour jet de gaz pour l'opération de la culasse et le transport de la munition d'une arme automatique à canon Download PDF

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Publication number
EP0158705A2
EP0158705A2 EP84109999A EP84109999A EP0158705A2 EP 0158705 A2 EP0158705 A2 EP 0158705A2 EP 84109999 A EP84109999 A EP 84109999A EP 84109999 A EP84109999 A EP 84109999A EP 0158705 A2 EP0158705 A2 EP 0158705A2
Authority
EP
European Patent Office
Prior art keywords
barrel
bore
nozzle
boring
gas jet
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.)
Granted
Application number
EP84109999A
Other languages
German (de)
English (en)
Other versions
EP0158705B1 (fr
EP0158705A3 (en
Inventor
Günter Frye
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.)
Rheinmetall Industrie AG
Original Assignee
Rheinmetall GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Rheinmetall GmbH filed Critical Rheinmetall GmbH
Publication of EP0158705A2 publication Critical patent/EP0158705A2/fr
Publication of EP0158705A3 publication Critical patent/EP0158705A3/de
Application granted granted Critical
Publication of EP0158705B1 publication Critical patent/EP0158705B1/fr
Expired legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41A—FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
    • F41A5/00—Mechanisms or systems operated by propellant charge energy for automatically opening the lock
    • F41A5/18—Mechanisms or systems operated by propellant charge energy for automatically opening the lock gas-operated
    • F41A5/26—Arrangements or systems for bleeding the gas from the barrel

Definitions

  • the invention relates to a gas jet tube nozzle for a breech drive and ammunition drive for an automatic tube weapon according to the preamble of patent claim 1.
  • Known tube nozzles of this type contain a continuous inner bore which opens outside the tube nozzle into a bore arranged obliquely in the weapon barrel jacket or in a separate or integrated tube ring of the weapon barrel.
  • Plugs to be sealed or shrunk-on bushings are used to close the inclined bore to deflect the gas pressure.
  • permanent damage to the deflection point can result from gas erosion such that adequate sealing by the plug or the pipe ring is no longer guaranteed and malfunctions of the pipe weapon cannot be avoided.
  • a necessary repair cannot be carried out quickly due to the parts that can only be replaced with great effort.
  • the object of the invention is ea to design the gas jet tube nozzle mentioned in the preamble of claim 1 such that the disadvantages mentioned are avoided and an easily exchangeable deflection and sealing device of the gas jet to be discharged from the oblique gas extraction bore is created.
  • the gas jet pipe nozzle is particularly advantageous in that the gas jet deflection takes place inside the pipe nozzle, and any erosion damage that occurs within the pipe nozzle can be quickly remedied by simply replacing the pipe nozzle. Due to the oblique arrangement of the gas extraction bore and optimal coordination of the diameter of the connecting line of the tubular nozzle with respect to the gas extraction bore, the tubular nozzle is automatically sealed off from the outside, so that additional means for sealing are unnecessary. By attaching self-centering securing means on the one hand and on the other hand resiliently latching onto the weapon barrel, the tubular nozzle is further advantageously secured in its installed position against rotation and against falling out.
  • a gun barrel 10 which has a tubular ring integrated with the barrel jacket on its circumference.
  • a tube nozzle 3 is arranged for deflecting a gas branched off from the interior 29 of the gun barrel 10 via an oblique gas extraction bore 2.
  • the tubular nozzle is also cylindrical and lies against the wall of the bore 8 with only slight play, the tubular nozzle being able to be pushed into the bore up to a shoulder 22.
  • the gas extraction bore 2 introduced into the tubular ring 9 from the outside is divided through the bore 8 into an outer 15 and an inner bore section 16.
  • the tubular nozzle 3 contains, in the region of its cylindrical jacket 5, an inclined connecting line 4- opposite the outlet opening 30 of the lower bore section 16.
  • the connecting line 4 is arranged in the length range between the inlet opening 18 on the jacket 5 and the interface 20 with an inner bore 1 running parallel to the axis 17 of the tubular nozzle 3, the connecting line 4 being preferably at an angle of inclination ⁇ ⁇ 90 ° with respect to the inner bore 1 ⁇ ⁇ 60 °, is arranged obliquely and opposite the diameter d 3 of the inner bore 1 has a larger diameter d 1 .
  • the inner bore 1 begins at the cut surface 20 and has its outlet at the end face 21 of the neck 22.
  • the inner bore 1 is arranged below the axis 17, which advantageously results in a relatively large cross section remaining between the connecting line 4 and the bore section 15.
  • the diameter d 1 of the connecting line 4 is larger than the diameter d 2 of the gas extraction bore 2 such that taking into account all manufacturing-related tolerances of the bore 2, 4 and fixation-related displacements of the tubular nozzle 3, the outlet cross section of the extraction bore 2 is covered by the inlet cross section of the connecting line 4 .
  • the gas extraction bore 2 is arranged obliquely in the tubular ring 9 in such a way that the cross section 13 of the outer bore section 15 adjoining the jacket 5 of the tubular nozzle 3 does not overlap the cross section 14 of the inner bore section 16 which opens into the connecting line 4 and does not overlap perpendicular to the axis 17 of the bore 8.
  • This arrangement makes it possible to seal the outer bore section 15 through the tubular nozzle 3 without the use of additional sealing means and screw connections.
  • This seal is reinforced by the dynamic pressure occurring at the interface 20, which is caused on the one hand by the deflection of the gas flow in the direction 19 (FIG. 2) and on the other hand by the reduced diameter d 3 of the inner bore 1 compared to the diameter d 1 of the connecting line 4
  • the projection 22 arranged on the end face 21 of the tubular nozzle 3 is cylindrical and, on the long side, designed with multiple beveled segments, the lower segment surface 23 of which, as securing means 6, has a circular curvature 24 which is adapted to the outer diameter of the weapon barrel 10.
  • the attachment 22 contains a circular circumferential groove 25 which, in the lower region 26 adjacent to the weapon barrel 10, is designed to be horizontal and straight, deviating from the circular shape.
  • a round spring wire is designed as a security element 11 such that it can elastically spring back in the region 26 and can snap into the groove 12 of the weapon barrel 10.
  • the groove 12 of the weapon barrel 10 is provided on the side facing away from the drill ring 9 with a circumferential bevel 27.
  • FIG. 1 can also be arranged in an advantageous but not shown manner several times on the circumference of the weapon barrel 10.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Nozzles (AREA)
EP84109999A 1983-10-14 1984-08-22 Tube de tuyère pour jet de gaz pour l'opération de la culasse et le transport de la munition d'une arme automatique à canon Expired EP0158705B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3337423 1983-10-14
DE19833337423 DE3337423A1 (de) 1983-10-14 1983-10-14 Gasstrahl-rohrduese fuer einen verschlussantrieb und munitionstransport einer automatischen rohrwaffe

Publications (3)

Publication Number Publication Date
EP0158705A2 true EP0158705A2 (fr) 1985-10-23
EP0158705A3 EP0158705A3 (en) 1987-01-21
EP0158705B1 EP0158705B1 (fr) 1988-10-05

Family

ID=6211848

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84109999A Expired EP0158705B1 (fr) 1983-10-14 1984-08-22 Tube de tuyère pour jet de gaz pour l'opération de la culasse et le transport de la munition d'une arme automatique à canon

Country Status (3)

Country Link
EP (1) EP0158705B1 (fr)
JP (1) JPS60101498A (fr)
DE (2) DE3337423A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3642552A1 (de) * 1986-03-20 1987-10-01 Oerlikon Buehrle Ag Gasentnahmevorrichtung fuer eine selbsttaetige, durch den gasdruck gesteuerte feuerwaffe
EP1106953A2 (fr) * 1999-12-10 2001-06-13 FABBRICA D'ARMI P.BERETTA S.p.A. Fusil de chasse amélioré à action de gaz

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3501516A1 (de) * 1985-01-18 1986-07-24 Mauser-Werke Oberndorf Gmbh, 7238 Oberndorf Waffenrohr fuer automatische schusswaffen

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1453934B (de) * Oerhkon Buhrle Holding AG, Zurich (Schweiz) Gasentnahmevornchtung fur eine selbst tatige, durch den Gasdruck gesteuerte Feuerwaffe
US3893370A (en) * 1974-01-30 1975-07-08 Remington Arms Co Inc Gas cylinder attachment using a formed pin as orifice liner

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1453934B (de) * Oerhkon Buhrle Holding AG, Zurich (Schweiz) Gasentnahmevornchtung fur eine selbst tatige, durch den Gasdruck gesteuerte Feuerwaffe
DE1453933B (de) * Oerlikon-Bührle Holding AG, Zürich (Schweiz) Abdichtungseinrichtung 'für den Gasentnahmekanal bei Gasdruckladern
US3893370A (en) * 1974-01-30 1975-07-08 Remington Arms Co Inc Gas cylinder attachment using a formed pin as orifice liner

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3642552A1 (de) * 1986-03-20 1987-10-01 Oerlikon Buehrle Ag Gasentnahmevorrichtung fuer eine selbsttaetige, durch den gasdruck gesteuerte feuerwaffe
US4798124A (en) * 1986-03-20 1989-01-17 Werkzeugmaschinenfabrik Oerlikon-Buhrle Ag Gas removal apparatus for an automatic firing weapon controlled by the gas pressure
CH669839A5 (fr) * 1986-03-20 1989-04-14 Oerlikon Buehrle Ag
EP1106953A2 (fr) * 1999-12-10 2001-06-13 FABBRICA D'ARMI P.BERETTA S.p.A. Fusil de chasse amélioré à action de gaz
JP2001227898A (ja) * 1999-12-10 2001-08-24 Fab Darmi P Beretta Spa 改良されたガス圧式ショットガン
EP1106953A3 (fr) * 1999-12-10 2002-12-11 FABBRICA D'ARMI P.BERETTA S.p.A. Fusil de chasse amélioré à action de gaz

Also Published As

Publication number Publication date
JPS60101498A (ja) 1985-06-05
DE3474471D1 (en) 1988-11-10
EP0158705B1 (fr) 1988-10-05
DE3337423A1 (de) 1985-04-25
EP0158705A3 (en) 1987-01-21

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