EP3625515A1 - Antriebssystem für patronenmunition - Google Patents
Antriebssystem für patronenmunitionInfo
- Publication number
- EP3625515A1 EP3625515A1 EP18722499.3A EP18722499A EP3625515A1 EP 3625515 A1 EP3625515 A1 EP 3625515A1 EP 18722499 A EP18722499 A EP 18722499A EP 3625515 A1 EP3625515 A1 EP 3625515A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- pressure chamber
- membrane
- drive
- high pressure
- ammunition
- 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
Links
- 239000012528 membrane Substances 0.000 claims abstract description 48
- 239000003380 propellant Substances 0.000 claims abstract description 26
- 239000000843 powder Substances 0.000 claims abstract description 12
- 239000000700 radioactive tracer Substances 0.000 claims description 7
- 238000010008 shearing Methods 0.000 claims description 3
- 230000000979 retarding effect Effects 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 claims 1
- 239000012634 fragment Substances 0.000 abstract description 12
- 238000009527 percussion Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 12
- 239000000463 material Substances 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 239000002245 particle Substances 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B5/00—Cartridge ammunition, e.g. separately-loaded propellant charges
- F42B5/02—Cartridges, i.e. cases with charge and missile
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42C—AMMUNITION FUZES; ARMING OR SAFETY MEANS THEREFOR
- F42C19/00—Details of fuzes
- F42C19/08—Primers; Detonators
- F42C19/0807—Primers; Detonators characterised by the particular configuration of the transmission channels from the priming energy source to the charge to be ignited, e.g. multiple channels, nozzles, diaphragms or filters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42C—AMMUNITION FUZES; ARMING OR SAFETY MEANS THEREFOR
- F42C19/00—Details of fuzes
- F42C19/08—Primers; Detonators
- F42C19/0823—Primers or igniters for the initiation or the propellant charge in a cartridged ammunition
- F42C19/083—Primers or igniters for the initiation or the propellant charge in a cartridged ammunition characterised by the shape and configuration of the base element embedded in the cartridge bottom, e.g. the housing for the squib or percussion cap
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B3/00—Blasting cartridges, i.e. case and explosive
- F42B3/24—Cartridge closures or seals
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B5/00—Cartridge ammunition, e.g. separately-loaded propellant charges
- F42B5/02—Cartridges, i.e. cases with charge and missile
- F42B5/067—Mounting or locking missiles in cartridge cases
Definitions
- the invention relates to a drive system or a drive and a cartridge ammunition with this drive system.
- the invention proposes a fragment free drive for this cartridge ammunition.
- Such cartridge ammunition for example, caliber 40mmx46, 40mmx53, etc., consist of a drive system and a projectile.
- the drive system itself comprises a propellant charge case, at least one high pressure chamber, a propellant charge powder and a primer cap.
- a low pressure space is formed in the propellant charge sleeve below the projectile around the high pressure chamber.
- the cartridge ammunition works with a low gas pressure in the pipe.
- the high pressure chamber therefore serves for complete powder combustion.
- a minimum gas pressure is achieved in the high pressure chamber to start uniform combustion of the propellant charge powder before the gas pressure flows into the low pressure space.
- cups or discs of metal or plastic are usually provided, which are burst or perforated by the pressure.
- EP 2 473 816 B2 describes a cartridge ammunition comprising a cartridge case and a projectile inserted into the cartridge case and mechanically connected to the cartridge case.
- a pyrotechnic propellant charge which is ignited by means of a pyrotechnic igniter whose propellant gases exert a force on burning the ground on the projectile, by means of which the projectile is driven out of the cartridge case.
- At least one passage exits the drive chamber through the cartridge case, which is / are filled with a fusible, solid pressure-tight material.
- at least one non-fusible, breakable element between a fusible, solid, pressure-tight material and the propellant charge is arranged.
- the grenade in DE 10 2012 014 043 B4 has a high-pressure chamber which is subdivided via a bursting membrane into a first chamber section receiving the propellant charge and a second chamber section.
- DE 39 18 005 A1 relates to a cartridge ammunition, wherein the propellant gases of the primer are released via a rupture disk.
- the disadvantage here is the formation of fragments or particles that can interfere with the weapon function.
- the object of the invention is to disclose a drive which does not generate any fragments but reliably opens them at a defined pressure.
- the invention is based on the idea to meet the demands of increasing safety, to create a fragment free drive.
- a membrane closing off the transition between the high-pressure chamber and the low-pressure chamber already names DE 10 2009 048 365 B3.
- a cartridge ammunition consisting of a projectile and a propellant charge sleeve for receiving the projectile and a drive disclosed, which comprises a mechanical connection between projectile and propellant charge sleeve. Projectile and drive are bolted together.
- This screw connection comprises a membrane with at least one predetermined breaking point, which opens at a predetermined pressure in the high-pressure chamber of the drive.
- the mechanical connection may also be a plug connection. After opening the connecting membrane creates an annular throttle cross section, which controls a controlled overflow of the propellant charge powder gases.
- the present invention does not use a diaphragm with predetermined breaking point.
- the membrane is also not involved in the mechanical connection.
- the mechanical connection is realized by a body of a high pressure chamber and a basement floor. This can be done by means of screw etc. Rather, the membrane is pressed by a cover in the axial direction against a shoulder in a high-pressure chamber. Between the outer diameter of the lid and an inner diameter of the high pressure chamber remains an annular gap which is closed by the membrane. When firing the ammunition, the gas pressure from the propellant powder bends the membrane high to be able to flow through this gap. This construction prevents in particular radial fragments are generated. Can be connected to the gap several overflow holes, but at least one that provide a connection between the high pressure chamber and a low pressure chamber of the ammunition.
- the membrane is not fixed in the edge region to the body of the high pressure chamber, so that only a pure bend without shear stress is formed and the formation of fragments is excluded.
- the specific minimum opening pressure is adjustable, specifiable.
- the material of the membrane is a material that is tough but has good ductility without cracking.
- z As aluminum, copper and steel.
- the geometry of the membrane is preferably a disk. This allows easy production of the membrane, which can be stamped from a sheet metal strip. The advantage lies, inter alia, in the fact that a change of the material properties against the specified material strength values is prevented.
- the membrane can further be punched directly from the metal strip into the high-pressure chamber and brought into the end position, whereby manufacture and assembly of the membrane can be done in one operation. Thereafter, the diaphragm fixing the lid can be pressed into the body of the high-pressure chamber, wherein the lid can preferably engage in the body.
- a fragment free drive of a cartridge ammunition comprising a propellant sleeve and a high pressure chamber.
- the high pressure chamber receives a propellant powder and in the bottom area a primer.
- the high-pressure chamber has at least one overflow bore.
- a membrane is embedded in the high-pressure chamber such that this membrane separates the high-pressure chamber and a low-pressure chamber from each other and at pressure build-up in the high-pressure chamber for connecting the high-pressure chamber with the low-pressure chamber does not crack, but is bent or bent.
- the high-pressure chamber has a lid, the membrane and a body.
- the membrane is embedded in the body and is fixed by the lid.
- the membrane further covers a gap formed by an outer diameter of the lid and an inner diameter of the body. In these, the edge region of the membrane is pressed in pressure build-up.
- FIG. 1 is a partial sectional view of a cartridge according to the invention ammunition
- FIG. 2 is an enlarged view of the high pressure chamber of FIG. 1;
- Fig. 5 the drive with tracer of Fig. 4 with open Matterzündbohrung.
- the drive 3 comprises a propellant charge sleeve 4 and a high pressure chamber 5.
- This high pressure chamber 5 in turn consists of a cover 6, a diaphragm 7, a body 8 and a propellant powder 9 and a primer 10.
- the body 8 is hollow. In a portion of the body 8 is the propellant charge powder.
- the membrane 7 is preferably embedded symmetrically in the body 8.
- the membrane 7 covers a gap 1 1.
- the gap 1 1 is formed by the outer diameter of the lid 6 and the inner diameter of the body 8. The size of the gap 1 1 can therefore be adjusted by the choice of the two diameters.
- the high pressure chamber 5 is shown in Fig. 1 enlarged.
- the diaphragm 7 closes overflow bores 12, at least one which communicates with the gap 11 via at least one connection 13, e.g. a circumferential annular groove, functionally related.
- the membrane 7 is pressed only by a cover 6 against a shoulder 14 in the body 8 and thereby fixed.
- the overflow holes 12 are closed by this membrane 7 with respect to the high-pressure chamber 5.
- the overflow bores 12 may also be oriented obliquely upwards or downwards into the low-pressure chamber 15.
- a mechanical connection 16 between projectile 2 and drive 3 is over the body
- the connection 16 between the body 8 and the floor 18 may be a screw connection.
- the body 8 in the region of the mechanical connection 16 has an external thread and the projectile bottom 18 has an internal thread.
- the body 8 carries in the upper region 17 the cover 6. This is fixed in the upper region 17 of the body 8 in the body 8.
- the propellant charge powder 9 Upon firing of the ammunition 1, the propellant charge powder 9 is ignited via the primer cap 10. Upon reaching a predetermined or set propellant charge gas pressure, the membrane 7 is pushed upwards in the direction of the overflow holes 12 in the free gap 1 1 (Fig. 3). The required opening pressure can be adjusted constructively on the dimensioning of the thickness and strength of the diaphragm 7 in conjunction with the pressurized surface of the annular gap 1 1 between the body 8 and cover 6. The overflow holes 12 are released at this time. The propellant charge gases pass from the high-pressure chamber 5 into the low-pressure chamber 15 via the annular gap 11 and the overflow bores 12 and exert a force on the projectile bottom 18, with which the projectile 1 is driven out of the pipe of a weapon not shown. The function of the membrane 7 ensures that no fragments leave the high-pressure chamber 5, which could remain as particles etc. in the weapon.
- a delay element or a tracer track 19 may be provided in the floor 18.
- This central bore 20 makes it possible for the gas pressure from the high-pressure chamber 5 to be conducted to the retarding element or to the tracer track 19, and thus the retardation element or tracer track 19 to be ignited.
- the Studentszündbohrung 20 is closed by the diaphragm 7, which shears off during pressure build-up.
- a stepped bore 21 is arranged in front of the Kochzündbohrung 20 (Fig. 5).
- the diameter of both holes 20, 21 is to be dimensioned so that the same opening pressure for shearing the membrane 7 is set in the inner region of the bore 21 as for the bending of the membrane 7 in the outer region.
- the gas pressure pushes the sheared surface of the membrane 7 to the end of the bore 21, which is perforated centrally there. Finally, a ring of the membrane 7 remains in the drive.
- the particle formed by the perforation with the diameter of the Kochzündbohrung 20 is shot from the high-pressure chamber 5, but still burns within the drive 3 due to the high temperatures of the propellant charge powder gases.
- the drive 3 is in this case fragments free and ensures a reliable ignition of the delay elements or tracer tracks 19. By combining external bending and shearing in the inner area, the drive can 3 perform the two functions - bullet acceleration and lighting a trace light / a delay - reliably.
- the proposed structural design of the drive 3 of the ammunition 1 allows for easy production of the drive 3.
- the membrane 7 from a metal strip (not shown in detail) punched and pressed into the body 8 as it were.
- the cover 6 is pressed into the body 8, which can then be fastened in the body 8 due to its shape, preferably by latching.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Pressure Vessels And Lids Thereof (AREA)
- Portable Nailing Machines And Staplers (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL18722499T PL3625515T3 (pl) | 2017-05-18 | 2018-05-03 | Układ napędowy dla amunicji nabojowej |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102017110871.8A DE102017110871A1 (de) | 2017-05-18 | 2017-05-18 | Antriebssystem für Patronenmunition |
PCT/EP2018/061398 WO2018210579A1 (de) | 2017-05-18 | 2018-05-03 | Antriebssystem für patronenmunition |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3625515A1 true EP3625515A1 (de) | 2020-03-25 |
EP3625515B1 EP3625515B1 (de) | 2021-04-07 |
Family
ID=62116445
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18722499.3A Active EP3625515B1 (de) | 2017-05-18 | 2018-05-03 | Antriebssystem für patronenmunition |
Country Status (5)
Country | Link |
---|---|
US (1) | US10989505B2 (de) |
EP (1) | EP3625515B1 (de) |
DE (1) | DE102017110871A1 (de) |
PL (1) | PL3625515T3 (de) |
WO (1) | WO2018210579A1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102017110871A1 (de) * | 2017-05-18 | 2018-11-22 | Rheinmetall Waffe Munition Gmbh | Antriebssystem für Patronenmunition |
Family Cites Families (38)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1453837B2 (de) * | 1965-12-28 | 1976-04-22 | Dynamit Nobel Ag, 5210 Troisdorf | Artilleriekartusche |
US3431852A (en) * | 1967-08-15 | 1969-03-11 | Us Army | Position marker |
US3707918A (en) * | 1971-02-26 | 1973-01-02 | Susquehanna Corp | Aerosol disseminator |
US3771451A (en) * | 1972-03-10 | 1973-11-13 | Olin Corp | Low pressure ballistic system |
US3983817A (en) * | 1975-05-19 | 1976-10-05 | Remington Arms Company, Inc. | Spotting projectile |
US4907511A (en) * | 1980-08-07 | 1990-03-13 | General Electric Company | Liquid propellant gun |
DE3246173A1 (de) * | 1982-12-14 | 1984-06-14 | Rheinmetall GmbH, 4000 Düsseldorf | Munition, insbesondere fuer steilfeuer |
US4478150A (en) * | 1983-01-12 | 1984-10-23 | The United States Of America As Represented By The Secretary Of The Army | Cartridge with elastic pusher cup |
DE3507643A1 (de) * | 1985-03-05 | 1986-09-11 | Nico-Pyrotechnik Hanns-Jürgen Diederichs GmbH & Co KG, 2077 Trittau | Patronierte munition |
EP0237711B1 (de) * | 1986-01-18 | 1992-06-10 | Dynamit Nobel Aktiengesellschaft | Treibladungsanzünder |
CA1332321C (en) * | 1988-02-10 | 1994-10-11 | Wilford E. Martwick | Cased telescoped ammunition having features augmenting cartridge case dimensional recovery by case skin tube |
DE8812000U1 (de) * | 1988-09-22 | 1990-02-08 | Rheinmetall Gmbh, 4000 Duesseldorf, De | |
DE3918005A1 (de) | 1988-09-22 | 1990-04-05 | Rheinmetall Gmbh | Granatengeschoss |
DE3835888A1 (de) * | 1988-10-21 | 1990-04-26 | Rheinmetall Gmbh | Granatengeschoss |
ES2046044T3 (es) * | 1990-01-15 | 1994-01-16 | Udo Winter | Cartucho, especialmente cartucho de granadas. |
DE19527621A1 (de) * | 1995-07-28 | 1997-01-30 | Nico Pyrotechnik | Patronierte Munition |
US5834681A (en) * | 1997-06-20 | 1998-11-10 | Defense Technology Corporation Of America | Reloadable high-low pressure ammunition cartridge |
DE19738937C2 (de) | 1997-09-05 | 1999-07-29 | Nico Pyrotechnik | Patronierte Munition |
US6041712A (en) * | 1997-12-11 | 2000-03-28 | The United States Of America As Represented By The Secretary Of The Army | Non-lethal cartridge with spin-stabilized projectile |
SE0001588D0 (sv) * | 2000-04-27 | 2000-04-27 | Comtri Ab | Granatpatron |
SE0302916D0 (sv) * | 2003-11-04 | 2003-11-04 | Comtri Teknik Ab | Utbytbar drivpatron |
DE102004020838B3 (de) * | 2004-04-08 | 2005-06-23 | Nico-Pyrotechnik Hanns-Jürgen Diederichs GmbH & Co. KG | Patronenmunition, insbesondere mit mittlerem Kaliber |
US7287475B2 (en) * | 2006-01-03 | 2007-10-30 | Combined Systems, Inc. | Reloadable non-lethal training cartridge |
US7930977B2 (en) * | 2007-02-26 | 2011-04-26 | Klein John M | Non-lethal projectile ammunition |
DE102007025981A1 (de) * | 2007-06-04 | 2008-12-11 | Rheinmetall Waffe Munition Gmbh | Patronenmunition, insbesondere Übungsmunition |
US7793591B1 (en) * | 2007-06-06 | 2010-09-14 | Martin Electronics | Projectile having ignitable payload with delay column igniter |
WO2010003013A1 (en) * | 2008-07-02 | 2010-01-07 | Safariland, Llc | Single piece non-lethal projectile |
EP2473816B1 (de) | 2009-09-03 | 2015-03-04 | KMS Consulting LLC | Druckentlastungssystem für hülsenmunition |
DE102009048365B3 (de) | 2009-10-06 | 2010-10-07 | Rheinmetall Waffe Munition Gmbh | Patronierte Munition mit einer Berstvorrichtung als Verbindung zwischen Geschoss und Antrieb |
US8573137B2 (en) | 2010-01-20 | 2013-11-05 | Anthony C. Seger | Reinforced plastic pallet and method of making |
SG181192A1 (en) * | 2010-11-25 | 2012-06-28 | Advanced Material Engineering Pte Ltd | A cartridged projectile |
DE102011014402A1 (de) * | 2011-03-18 | 2012-09-20 | Rheinmetall Waffe Munition Gmbh | Insensitive Munition |
EP2734805A1 (de) * | 2011-07-21 | 2014-05-28 | Diehl BGT Defence GmbH & Co.KG | Patronierte munition |
DE102012014043B4 (de) | 2012-07-14 | 2014-02-13 | Diehl Bgt Defence Gmbh & Co. Kg | Granate, insbesondere 40-mm-Granate |
WO2014203215A1 (en) * | 2013-06-20 | 2014-12-24 | Atlantis Manufacturing Management Services Proprietary Limited | A grenade round |
US10126104B2 (en) * | 2015-08-26 | 2018-11-13 | Atlantis Specialist Technologies Proprietary Limited | Cartridge ammunition |
US11674784B2 (en) * | 2016-03-14 | 2023-06-13 | JD Pharma, LLC | Systems and methods for selectively disabling electrical and mechanical devices |
DE102017110871A1 (de) * | 2017-05-18 | 2018-11-22 | Rheinmetall Waffe Munition Gmbh | Antriebssystem für Patronenmunition |
-
2017
- 2017-05-18 DE DE102017110871.8A patent/DE102017110871A1/de not_active Withdrawn
-
2018
- 2018-05-03 PL PL18722499T patent/PL3625515T3/pl unknown
- 2018-05-03 EP EP18722499.3A patent/EP3625515B1/de active Active
- 2018-05-03 WO PCT/EP2018/061398 patent/WO2018210579A1/de unknown
-
2019
- 2019-11-15 US US16/685,560 patent/US10989505B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
US20200263961A1 (en) | 2020-08-20 |
US10989505B2 (en) | 2021-04-27 |
WO2018210579A1 (de) | 2018-11-22 |
EP3625515B1 (de) | 2021-04-07 |
PL3625515T3 (pl) | 2021-12-06 |
DE102017110871A1 (de) | 2018-11-22 |
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