DE1172989B - Propellant charge for recoilless weapons - Google Patents
Propellant charge for recoilless weaponsInfo
- Publication number
- DE1172989B DE1172989B DED39605A DED0039605A DE1172989B DE 1172989 B DE1172989 B DE 1172989B DE D39605 A DED39605 A DE D39605A DE D0039605 A DED0039605 A DE D0039605A DE 1172989 B DE1172989 B DE 1172989B
- Authority
- DE
- Germany
- Prior art keywords
- propellant charge
- propellant
- passages
- dam
- charge according
- 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
-
- 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
- F41A1/00—Missile propulsion characterised by the use of explosive or combustible propellant charges
- F41A1/08—Recoilless guns, i.e. guns having propulsion means producing no recoil
-
- 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
- F41A1/00—Missile propulsion characterised by the use of explosive or combustible propellant charges
- F41A1/08—Recoilless guns, i.e. guns having propulsion means producing no recoil
- F41A1/10—Recoilless guns, i.e. guns having propulsion means producing no recoil a counter projectile being used to balance recoil
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B15/00—Self-propelled projectiles or missiles, e.g. rockets; Guided missiles
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Toys (AREA)
- Portable Nailing Machines And Staplers (AREA)
- Powder Metallurgy (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
Description
DEUTSCHESGERMAN
PATENTAMTPATENT OFFICE
AUSLEGESCHRIFTEDITORIAL
Internat. Kl.: F07fBoarding school Class: F07f
Deutsche Kl.: 72d-2 German class: 72d-2
Nummer: 1172989 Number: 1172989
Aktenzeichen: D 396051 c / 72 d File number: D 396051 c / 72 d
Anmeldetag: 11. August 1962 Filing date: August 11, 1962
Auslegetag: 25. Juni 1964Opening day: June 25, 1964
Die Erfindung bezieht sich auf eine Treibladung für rückstoßfreie Waffen mit beidseitig offenem Abschußrohr, welche zwischen einer aus Staub oder Pulver zu einem ein- oder mehrteiligen Körper gepreßte Verdammung und dem.Geschoß angeordnet ist, wobei die Verdammung unter dem Einfluß des Abschusses bzw. der Treibladungsgase durch die rückwärtige Waffenmündung ausgestoßen wird und dabei wieder zu Staub bzw. Pulver zerfällt.The invention relates to a propellant charge for recoilless weapons with a launch tube that is open on both sides, which pressed between one of dust or powder to form a one-part or multi-part body Dam and dem. Floor is arranged, where the dam is under the influence of the Firing or the propellant gases is ejected through the rear gun muzzle and it disintegrates again to dust or powder.
Für Waffen mit beidseitig offenem Abschußrohr sind bereits Treibladungen bekannt, die zur Rückstoßkompensation mit einer rückwärtigen Verdammung versehen sind, welche aus einem oder mehreren zylindrischen Körpern besteht. Neben Pappscheibenverdämmkörpern, die im Durchmesser entweder dem Rohrinnendurchmesser oder wenigstens dem Durchmesser der Vortriebspulverladung entsprechen, sind auch Zerfallverdämmkörper bekannt, die aus Staub so gepreßt sind, daß sie unter dem Einfluß des Abschusses beim Verlassen der rückwärtigen Waffenmündung wieder zu Staub zerfallen. In bekannter Weise kann ein Teil dieser Zerfallverdämmkörper im Durchmesser gegenüber dem Rohrinnendurchmesser verringert sein. Statt derartige Verdämmkörper zu verwenden, ist es auch bekannt, zur Kompensation des Rückstoßes das rückwärtige Ende der Treibladungshülse düsenförmig zu gestalten.For weapons with a launch tube that is open on both sides, propellant charges are already known which are used for recoil compensation are provided with a rear dam, which consists of one or more cylindrical bodies. In addition to cardboard disc damper bodies that are either correspond to the inside diameter of the pipe or at least to the diameter of the propellant powder charge, are also known disintegration dams, which are pressed from dust so that they are under the influence of the launch disintegrate to dust again when leaving the rear muzzle of the weapon. In well-known Way can be a part of this decay dam in diameter compared to the pipe inner diameter be reduced. Instead of using such Verdämmkörper, it is also known to To compensate for the recoil, make the rear end of the propellant charge case nozzle-shaped.
Die Erfindung bezieht sich auf eine Treibladung, welche zwischen einem aus Staub oder Pulver gepreßten Verdämmkörper und dem Geschoß angeordnet ist. Aufgabe der Erfindung ist es, die Treibladung bzw. deren Verdammung so auszubilden, daß bei gegenüber herkömmlichen Ladungen gleichbleibender V0 des Geschosses der auftretende Maximaldruck in der Waffe beim Schuß verringert und der Druckabfall verzögert wird.The invention relates to a propellant charge which is arranged between a compacting body pressed from dust or powder and the projectile. The object of the invention is to design the propellant charge or its dam in such a way that, with V 0 of the projectile remaining the same as compared to conventional charges, the maximum pressure occurring in the weapon when firing is reduced and the pressure drop is delayed.
Nach der Erfindung wird hierzu vorgeschlagen, den Verdämmkörper mit wenigstens einem axialen Durchlaß zu versehen, der ein Ausströmen der Treibladungsgase über die ganze Länge der Verdammung nach hinten ermöglicht, noch ehe der Verdämmkönper die rückwärtige Waffenmündung verläßt. Um dennoch den zum Zünden der Treibladung erforderlichen Druckaufbau zu erreichen, können die Durchlässe mit einer bereits vor dem Erreichen des Maximaldrucks in der Waffe berstenden Folie od. dgl. abgedeckt sein. Der Durchlaß kann als zentrische Bohrung des Verdämmkörpers ausgebildet sein. Die Durchlässe können aber auch durch einen gegebenenfalls von Stützrippen oder -warzen unterteilten Ringspalt zwischen der Rohrinnenwand und dem im Durchmesser verringerten Verdämmkörper gebildet Treibladung für rückstoßfreie WaffenAccording to the invention, it is proposed for this purpose, the damming body with at least one axial To provide a passage that allows the propellant gases to escape over the entire length of the dam to the rear before the damper leaves the rear gun muzzle. Around The passages can nevertheless achieve the pressure build-up required to ignite the propellant charge covered with a foil or the like that bursts before the maximum pressure is reached in the weapon be. The passage can be designed as a central bore of the dam body. the Passages can, however, also be subdivided by supporting ribs or lumps, if necessary Annular gap formed between the inner wall of the pipe and the damming body of reduced diameter Propellant charge for recoilless weapons
Anmelder:Applicant:
Fa. Diehl, Nürnberg, Stephanstr. 49Diehl, Nuremberg, Stephanstr. 49
Als Erfinder benannt:
Wilhelm Perniß,
Edith Schweickert, Nürnberg,
Karl Wengenroth, MünchenNamed as inventor:
Wilhelm Perniss,
Edith Schweickert, Nuremberg,
Karl Wengenroth, Munich
werden. Der Durchlaßquerschnitt kann dabei etwa ein Dreißigstel bis zu einem Drittel, insbesondere ein Fünfzehntel des Rohrinnenquerschnitts betragen.will. The passage cross-section can be about one-thirtieth to one-third, in particular one Fifteenth of the inner cross-section of the pipe.
Durch einen solchen Aufbau der Treibladung bzw. der mit dieser verbundenen Verdammung wird erreicht, daß der sofort nach dem Zünden der Treibladung entstehende Gasdruck die den Durchlaß verschließende Folie zum Bersten bringt und zum Teil nach hinten abströmt, wodurch eine unerwünschte Überdruckspitze verhindert wird. Der zur Rohrinnenwand hin durch eine Kunststoffhülle und/oder eineSuch a structure of the propellant charge or the dam connected with it is achieved that the gas pressure arising immediately after the ignition of the propellant charge closes the passage The foil bursts and some of it flows backwards, creating an undesirable effect Overpressure peak is prevented. The to the pipe inner wall through a plastic sleeve and / or a
as Bandage abgegrenzte Verdämmkörper soll dabei im Gefüge selbst jedoch noch nicht so weit verändert werden, daß etwa Staubteile an der Rohrinnenwand entlangstreichen und die Waffe vorzeitig abnutzen.as the bandage-delimited sealing body should be in the However, the structure itself has not yet been changed to such an extent that, for example, dust particles on the inner wall of the pipe stroke along and wear out the weapon prematurely.
Aufgenommene Gasdruckdiagramme zeigen, daß bei gleichem Gesamtleistungsinhalt und bei entsprechendem Verdämmkörpergewicht, welches erheblich niedriger ist als das Geschoßgewicht, der maximale Gasdruck auf die Hälfte reduziert werden kann. Da infolge des Ausströmens eines Teiles der Gase durch den Axialkanal nach hinten der Verdämmkörper verzögert bzw. langsamer nach hinten ausgestoßen wird, erfährt die Druckkurve eine Verbreiterung. Der Verdämmkörper verläßt die Rückwärtige Waffenmündung erst, wenn das Geschoß seine V0 etwa erreicht hat. Trotz Verringerung des Maximalgasdrackes führt die Verzögerung des Druckabfalls wieder zum gleichen Leistungsinhalt. Dies erlaubt aber einerseits, die Waffe leichter zu bauen, und ergibt andererseits den Vorteil geringerer Streuung. Recorded gas pressure diagrams show that the maximum gas pressure can be reduced by half with the same total power content and with the corresponding damper weight, which is considerably lower than the weight of the projectile. Since some of the gases flow out through the axial channel to the rear, the damming body is delayed or more slowly ejected to the rear, the pressure curve is broadened. The damming body leaves the rear gun muzzle only when the projectile has approximately reached its V 0. Despite the reduction in the maximum gas draft, the delay in the pressure drop leads to the same output content again. On the one hand, this allows the weapon to be built more easily and, on the other hand, has the advantage of less dispersion.
Um ein vorzeitiges Lösen einer den Verdämmkörper umschließenden Hülle zu vermeiden, ist diese mit einem überstehenden Rand an der insbesondere im Durchmesser abgesetzten Treibladungshülse so befestigt, z. B. angeklebt oder angeschweißt, daß sich der Verdämmkörper beim Solldruck, z. B. an einer Sollbruchstelle abreißend, löst.In order to avoid premature loosening of a casing enclosing the sealing body, this with a protruding edge on the propellant charge case, which is particularly offset in diameter attached, e.g. B. glued or welded that the damming body at the target pressure, z. B. at one Tearing off predetermined breaking point, solves.
409 627/70409 627/70
Die Durchlaßkanäle können zwecks Verringerung des Durchströmquerschnitts nach Abbau der Gasdruckspitze mit bei Erwärmung quellenden Mitteln ausgekleidet sein. Statt dessen können, um die Durchlässe wenigstens teilweise zu versetzen, dem Verdämmkörper bei Erwärmung ansprechende, insbesondere pulverförmige Treibmittel zugesetzt sein. Durch sie sowie durch entsprechend lose bzw. bindemittelarme Verpressung des Körpers wird eine bereits im Rohr beginnende, die axiale Länge des Körpers verkürzende und den Abströmdurchlaß verschließende bzw. verengende Zerfallveränderung herbeigeführt. Die Rohrinnenwand ist dabei durch die Umhüllung des Verdämmkörpers gegen reibende Abnutzung durch Staubpartikeln des Verdämmkörpers geschützt.The passage channels can for the purpose of reducing the flow cross-section after the gas pressure peak has been reduced be lined with means that swell when heated. Instead you can use the culverts to move at least partially, the insulating body when heated responsive, in particular powdered propellants may be added. Through them as well as through correspondingly loose or poor binding agents Compression of the body is already beginning in the pipe, the axial length of the Body shortening and the outflow passage closing or narrowing disintegration change brought about. The inner wall of the pipe is protected against frictional wear by the sheathing of the damper body protected by dust particles from the dam.
Claims (8)
Deutsche Patentschrift Nr. 1 123 953;
britische Patentschriften Nr. 631261, 577 319, 318;
USA.-Patentschrift Nr. 2 791 961.Considered publications:
German Patent No. 1,123,953;
British Patent Nos. 631261, 577 319, 318;
U.S. Patent No. 2,791,961.
Priority Applications (11)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL295876D NL295876A (en) | 1962-08-01 | ||
BE635612D BE635612A (en) | 1962-08-01 | ||
DEW32717A DE1201723B (en) | 1962-08-01 | 1962-08-01 | Reverse damming of propellant charges |
DED39605A DE1172989B (en) | 1962-08-01 | 1962-08-11 | Propellant charge for recoilless weapons |
DED40556A DE1195203B (en) | 1962-08-01 | 1962-12-20 | Propellant charge with rearward damming for recoilless weapons |
CH943463A CH444714A (en) | 1962-08-01 | 1963-07-29 | Propellant charge for recoilless weapons with a launch tube that is open on both sides |
US298385A US3216323A (en) | 1962-08-01 | 1963-07-29 | Propellant charge with rearwardly attached tamping body for nonrecoiling weapons |
GB30081/63A GB990608A (en) | 1962-08-01 | 1963-07-30 | Recoil compensating charge for a non-recoiling weapon |
FR943284A FR1374423A (en) | 1962-08-01 | 1963-07-31 | Improvements to recoilless weapons |
AT615763A AT247755B (en) | 1962-08-11 | 1963-07-31 | Rear damming body for propellant charges for recoilless weapons |
AT906465A AT268097B (en) | 1962-08-11 | 1963-07-31 | Rear damming body for propellant charges for recoilless weapons |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEW32717A DE1201723B (en) | 1962-08-01 | 1962-08-01 | Reverse damming of propellant charges |
DED39605A DE1172989B (en) | 1962-08-01 | 1962-08-11 | Propellant charge for recoilless weapons |
DED40556A DE1195203B (en) | 1962-08-01 | 1962-12-20 | Propellant charge with rearward damming for recoilless weapons |
Publications (1)
Publication Number | Publication Date |
---|---|
DE1172989B true DE1172989B (en) | 1964-06-25 |
Family
ID=27209742
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DEW32717A Pending DE1201723B (en) | 1962-08-01 | 1962-08-01 | Reverse damming of propellant charges |
DED39605A Pending DE1172989B (en) | 1962-08-01 | 1962-08-11 | Propellant charge for recoilless weapons |
DED40556A Pending DE1195203B (en) | 1962-08-01 | 1962-12-20 | Propellant charge with rearward damming for recoilless weapons |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DEW32717A Pending DE1201723B (en) | 1962-08-01 | 1962-08-01 | Reverse damming of propellant charges |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DED40556A Pending DE1195203B (en) | 1962-08-01 | 1962-12-20 | Propellant charge with rearward damming for recoilless weapons |
Country Status (6)
Country | Link |
---|---|
US (1) | US3216323A (en) |
BE (1) | BE635612A (en) |
CH (1) | CH444714A (en) |
DE (3) | DE1201723B (en) |
GB (1) | GB990608A (en) |
NL (1) | NL295876A (en) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1428630A1 (en) * | 1963-10-02 | 1968-11-28 | Dynamit Nobel Ag | Device for influencing the pressure of projectile propellant charges |
US3380344A (en) * | 1964-10-01 | 1968-04-30 | Dynamit Nobel Ag | Pressure control device |
DE1578183B1 (en) * | 1966-06-08 | 1971-06-09 | Nico Pyrotechnik | Arrangement for firing a charge of under-caliber ammunition for recoil-free anti-tank weapons |
DE2260625C2 (en) * | 1972-12-12 | 1983-03-10 | Dynamit Nobel Ag, 5210 Troisdorf | Containment of propellant charges for recoilless weapons |
DE2261376C2 (en) * | 1972-12-15 | 1982-11-25 | Dynamit Nobel Ag, 5210 Troisdorf | Propellant charge for recoilless weapons |
DE2629282A1 (en) * | 1976-06-30 | 1978-01-12 | Messerschmitt Boelkow Blohm | COUNTERWEIGHTS FOR RECOIL-FREE LAUNCH DEVICES FOR BULLETS |
DE3048597A1 (en) * | 1980-12-23 | 1982-07-22 | Dynamit Nobel Ag, 5210 Troisdorf | ARRANGEMENT WITH SHOCK-FREE ARMS |
FR2530331B1 (en) * | 1982-07-16 | 1986-12-26 | Europ Propulsion | RECOVERY SHOOTING AMMUNITION |
DE3642414A1 (en) * | 1986-12-11 | 1988-06-23 | Feistel Pyrotech Fab | EXERCISE CARTRIDGE FOR SHOCK ABSORBED ARMS |
SE469044B (en) * | 1991-09-16 | 1993-05-03 | Bofors Ab | DEVICE WHEN SHOOTING WITH RUNNING WIRE, REDUCE THE EFFECT OF A POWDER TEMPERATURE DEPENDENT |
FR2697327B1 (en) * | 1992-10-22 | 1994-12-30 | Luchaire Defense Sa | Box for propellant charge. |
US6286408B1 (en) | 2000-01-04 | 2001-09-11 | The United States Of America As Represented By The Secretary Of The Navy | Energy-absorbing countermass assembly for recoilless weapons |
US20040069174A1 (en) * | 2000-08-09 | 2004-04-15 | Wolfgang Dorn | Cartridge |
US6543329B2 (en) | 2000-11-08 | 2003-04-08 | The United States Of America As Represented By The Secretary Of The Navy | Nested ring based countermass assembly |
US6568330B1 (en) * | 2001-03-08 | 2003-05-27 | Raytheon Company | Modular missile and method of assembly |
US7418896B1 (en) * | 2004-12-08 | 2008-09-02 | The United States Of America As Represented By The Secretary Of The Army | Recoilless weapon system |
US7624668B1 (en) | 2005-06-10 | 2009-12-01 | Sanford Matthew J | Recoilless launching |
US9464855B2 (en) | 2012-02-13 | 2016-10-11 | Saab Ab | Countermass container for use in a recoilless weapon and a recoilless weapon comprising such a countermass container |
DE102015009823B4 (en) * | 2015-05-12 | 2021-03-18 | Mbda Deutschland Gmbh | Launch system for a guided missile and guided missile for such a launch system |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB577319A (en) * | 1943-03-23 | 1946-05-14 | George Percy Sillitto | Improvements in or relating to recoil compensating charges for projectors for explosive or other projectiles |
GB577318A (en) * | 1943-03-23 | 1946-05-14 | George Percy Sillitto | Improvements in or relating to recoil compensating charges for projectors for explosive or other projectiles |
GB631261A (en) * | 1946-03-14 | 1949-10-31 | Zbrojovka Brno Np | Improvements in or relating to firearms |
US2791961A (en) * | 1952-02-11 | 1957-05-14 | Musser C Walton | Recoilless type ammunition having self-contained venturi |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1108717A (en) * | 1913-07-07 | 1914-08-25 | Ordnance Dev Company | Fixed ammunition for use on air-craft. |
US1108716A (en) * | 1913-07-07 | 1914-08-25 | Ordnance Dev Company | Apparatus for firing projectiles from air-craft. |
US1311021A (en) * | 1918-05-25 | 1919-07-22 | Lawrence Y Spear | Fixed ammunition for non-recoil guns. |
BE400999A (en) * | 1933-01-28 | |||
US2156605A (en) * | 1934-09-17 | 1939-05-02 | Prettyman George William Lyman | Nonrecoil gun |
US2953990A (en) * | 1953-12-11 | 1960-09-27 | Olin Mathieson | Ammunition |
US2924174A (en) * | 1954-01-06 | 1960-02-09 | William B Mclean | Combustible pre-spin turbine for spinner rockets |
BE540979A (en) * | 1955-11-29 | |||
US2923239A (en) * | 1957-07-26 | 1960-02-02 | Ensign Bickford Co | Ignition transmission line and systems including the same |
DE1099905B (en) * | 1958-12-09 | 1961-02-16 | Nl Wapen En Munitiefabriek N V | Maneuver cartridge for machine weapons |
NL101994C (en) * | 1961-10-09 |
-
0
- BE BE635612D patent/BE635612A/xx unknown
- NL NL295876D patent/NL295876A/xx unknown
-
1962
- 1962-08-01 DE DEW32717A patent/DE1201723B/en active Pending
- 1962-08-11 DE DED39605A patent/DE1172989B/en active Pending
- 1962-12-20 DE DED40556A patent/DE1195203B/en active Pending
-
1963
- 1963-07-29 CH CH943463A patent/CH444714A/en unknown
- 1963-07-29 US US298385A patent/US3216323A/en not_active Expired - Lifetime
- 1963-07-30 GB GB30081/63A patent/GB990608A/en not_active Expired
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB577319A (en) * | 1943-03-23 | 1946-05-14 | George Percy Sillitto | Improvements in or relating to recoil compensating charges for projectors for explosive or other projectiles |
GB577318A (en) * | 1943-03-23 | 1946-05-14 | George Percy Sillitto | Improvements in or relating to recoil compensating charges for projectors for explosive or other projectiles |
GB631261A (en) * | 1946-03-14 | 1949-10-31 | Zbrojovka Brno Np | Improvements in or relating to firearms |
US2791961A (en) * | 1952-02-11 | 1957-05-14 | Musser C Walton | Recoilless type ammunition having self-contained venturi |
Also Published As
Publication number | Publication date |
---|---|
CH444714A (en) | 1967-09-30 |
DE1201723B (en) | 1965-09-23 |
NL295876A (en) | |
GB990608A (en) | 1965-04-28 |
US3216323A (en) | 1965-11-09 |
DE1195203B (en) | 1965-06-16 |
BE635612A (en) |
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