EP0511229A1 - Patrone, insbesondere granatpatrone. - Google Patents
Patrone, insbesondere granatpatrone.Info
- Publication number
- EP0511229A1 EP0511229A1 EP91901650A EP91901650A EP0511229A1 EP 0511229 A1 EP0511229 A1 EP 0511229A1 EP 91901650 A EP91901650 A EP 91901650A EP 91901650 A EP91901650 A EP 91901650A EP 0511229 A1 EP0511229 A1 EP 0511229A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- ignition
- cartridge
- pressure chamber
- channel
- gas outlet
- 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
- 239000003380 propellant Substances 0.000 claims description 40
- 238000009413 insulation Methods 0.000 claims description 13
- 235000001674 Agaricus brunnescens Nutrition 0.000 claims description 5
- 238000002485 combustion reaction Methods 0.000 abstract description 16
- 239000007789 gas Substances 0.000 description 35
- 239000000567 combustion gas Substances 0.000 description 7
- 239000002245 particle Substances 0.000 description 6
- 238000010304 firing Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002223 garnet Substances 0.000 description 1
- KEBHLNDPKPIPLI-UHFFFAOYSA-N hydron;2-(3h-inden-4-yloxymethyl)morpholine;chloride Chemical compound Cl.C=1C=CC=2C=CCC=2C=1OCC1CNCCO1 KEBHLNDPKPIPLI-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007858 starting material Substances 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
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B3/00—Blasting cartridges, i.e. case and explosive
- F42B3/22—Elements for controlling or guiding the detonation wave, e.g. tubes
Definitions
- the invention relates to a cartridge, in particular a grenade cartridge, consisting of a cartridge case having an ignition chamber in the bottom for receiving an ignition means, a pressure cartridge forming a high-pressure space for filling a propellant charge and a projectile inserted into the sleeve, the high-pressure space of the cartridge on the one hand via a axially extending ignition channel is connected to the ignition chamber and, on the other hand, via at least one gas outlet opening, optionally covered by an insulation insert, to a cavity between the projectile and the sleeve, which serves as a low-pressure space.
- a cartridge in particular a grenade cartridge, consisting of a cartridge case having an ignition chamber in the bottom for receiving an ignition means, a pressure cartridge forming a high-pressure space for filling a propellant charge and a projectile inserted into the sleeve, the high-pressure space of the cartridge on the one hand via a axially extending ignition channel is connected to the ignition chamber and, on the other
- Cartridges that are fired from handguns must not cause recoil forces that exceed tolerable levels for the shooter, so that the so-called high and low pressure system for propellant charge firing, especially with larger calibers, especially the 40 mm grenade cartridges Is used.
- the propellant charge or the like is in a high pressure chamber of a cartridge. housed, which passes through gas outlet openings into a low-pressure space formed by the cartridge case and the floor inserted therein.
- the high-pressure chamber is also accessible via an ignition channel from the bottom of the sleeve, so that the propellant charge within the high-pressure chamber by means of an ignition jet generated by a floor starter Ignition channel can be ignited.
- the ignition beam penetrates into the propellant charge at different depths from cartridge to cartridge and thus causes differently strong ignitions and one pressure build-up in the high-pressure chamber varies from shot to shot.
- the gas outlet openings from the high-pressure space into the low-pressure space are usually in the ceiling area of the cartridges and the mouth of the ignition channel on the floor, so that the ignition takes place especially near the floor and the Combustion front from the floor in the direction of the gas outlet openings, ie continues towards the ceiling.
- the invention is therefore based on the object of eliminating these deficiencies and of creating a cartridge of the type described at the outset, which is distinguished by its uniform propellant combustion and thus by its particularly high accuracy.
- the invention achieves this object in that the ignition channel in the high-pressure space extends axially into the position area 5 of the gas outlet openings and the mouth (s) of the ignition channel are (are) radially and / or aligned with a radial deflection surface.
- This position assignment of the ignition channel openings to the gas outlet openings ignites the propellant charge in the area between the ignition channel openings and gas outlet openings and the combustion front therefore runs away from the gas outlet openings, so that after a corresponding pressure build-up when the combustion gases overflow from the high pressure to the low pressure space due to the permanent Pressure increase and the opposite direction of combustion no unburned powder particles can be carried into the low pressure room.
- the radial deflection of the ignition jet in the mouth region determines the ignition location of the propellant charge in the high-pressure chamber, regardless of the intensity of the ignition jet, and ensures that always the same amount of powder comes to ignition.
- the deflection prevents the pilot beam from penetrating into the propellant charge at different depths and ensures that the pilot beam always comes into contact at the same point and with the same amount of propellant charge. This inevitably results in uniform ignition, combustion and pressure build-up.
- a complete burn-up of the propellant charge, an improvement in the use of propellant charge and a standardization of the propellant charge effect are achieved, thus guaranteeing a more uniform muzzle velocity and higher accuracy.
- an ignition channel protruding arbitrarily far into the high-pressure chamber can be produced in a simple manner and its course adapted to any position of the gas outlet openings.
- the ignition tube preferably lying at the end on the cartridge cover wall opposite the bottom can have jacket recesses, slots, bores or the like. have as channel openings which openings result in the desired radial deflection of the ignition beam in the ignition area.
- the ignition tube could be closed at the end, but it can also rest with its open end on the cartridge top wall, to thereby discharge the ignition jet through the jacket recesses and the like. to force.
- the ignition tube can also end at a distance in front of the cartridge cover wall and the cover wall can form a deflection surface for the front opening of the ignition tube, so that the ignition jet emerging axially from the ignition tube is only deflected when it hits the cover wall.
- the deflecting surface can be expediently designed and, instead of having one plane, the top wall can be provided with an inwardly projecting deflecting cone or the like, coaxial with the ignition tube. form the deflecting surface, so that a conical or the like. A rotationally symmetrical deflection surface is created which divides and deflects the ignition beam more evenly.
- the cone can advantageously be formed by the cup-shaped insulating insert inserted into the cartridge, but it could also consist of a shape of the cartridge cover wall or its own insert.
- holes of the cartridge bottom arranged in a symmetrical manner serve as an ignition channel, the openings of which in the high-pressure chamber are covered by a central deflecting mushroom forming the deflecting surface.
- the ignition point can be arranged near the ground and the deflecting mushroom ensures proper radial alignment of the ignition beam.
- the cartridge base forms a central axial bore of the cartridge base, which ends in a coaxial, preferably conical, elevation and in evenly distributed radial bores as openings passes over, the ignition channel, the desired ignition location near the ground without external deflection surface is ensured directly by the radially directed muzzle bores.
- a preferably conical insulating hood which is arranged between ignition channels and gas outlet openings, is provided in the high-pressure chamber and can be made of plastic, aluminum or another metal.
- This insulation hood allows a higher pressure to be built up in the high-pressure chamber before the combustion gases overflow into the low-pressure chamber, which favors a complete combustion of the propellant charge.
- the insulation hood shields the gas outlet openings from the ignited propellant charge and is only pushed away at a certain pressure level, as a result of which the gas pressure can now act on the gas outlet openings or the insulation insert covering them.
- the insulation hood can be provided in addition to the usual, usually cup-shaped, cartridge-lined insulation insert and makes it possible to influence the pressure and combustion conditions in the high-pressure chamber.
- FIGS. 2 to 9 different exemplary embodiments of a print cartridge of this cartridge also in axial section.
- a grenade cartridge 1 consists of a grenade 2 as a projectile which is inserted in a cartridge case 3.
- the bottom 4 of the sleeve 3 has an ignition chamber 5 for an ignition means 6 and a pressure cartridge 7 is for receiving a propellant charge is provided.
- This propellant charge is accommodated in a high-pressure chamber 8 of the pressure cartridge 7, which is connected on the one hand via an ignition channel 9 to the ignition chamber 5 and, on the other hand, via gas outlet openings 10 of the cartridge 7 with a cavity between the floor 2 and cartridge case 3 serving as a low-pressure chamber 11 .
- the print cartridge 7 can, as indicated in FIGS.
- the print cartridge 7 in the sense shown to be integrated into the sleeve base 4 or, as indicated by dash-dotted lines in FIG. 1, as in the Sleeve base 4 to form a screw-in insert, a closure part which can be screwed into the sleeve base 4 or the insert part results in the base 12 in which the ignition chamber 5 and ignition channel 9 are arranged.
- the high-pressure chamber 8 of the cartridge 7 is lined with a cup-shaped insulation insert 13, which is intended to seal the high-pressure chamber 8 and the low-pressure chamber 11 from one another until a corresponding pressure build-up when the propellant charge burns.
- the ignition means 6 is ignited and the ignition jet penetrates through the ignition channel 9 into the high-pressure chamber 8 of the cartridge 7, where it meets the propellant charge and stimulates the combustion process.
- the propellant charge is burned, there is an exothermic conversion and the resulting combustion gases lead to a build-up of pressure in the high-pressure chamber.
- the gases break through the insulation insert 13 and flow from the high-pressure chamber 8 into the low-pressure chamber 11, where there is again a pressure increase, which ultimately results in the grenade 2 being expelled from the cartridge case 3 under relatively low recoil forces leads.
- the ignition channel 9 in the high-pressure chamber 8 extends axially into the position area of the gas outlet openings 10 and there a radial deflection of the ignition beam leaving the ignition channel 9 is ensured.
- the ignition jet When igniting, the ignition jet therefore always strikes the propellant charge in the area of the gas outlet openings 10 and it can therefore only ever apply a constant amount of propellant charge located between the outlet openings 10 and the ignition channel mouths, so that the combustion of propellant charge to propellant Charge starts uniformly and the combustion front also moves away from the gas outlet openings 10, which ensures uniform propellant charge burn-off regardless of the intensity of the ignition beam and also entrainment of still unburned propellant charge particles when the combustion gases flow from the high-pressure chamber 8 into the low-pressure chamber 11 is prevented.
- the gas outlet openings 10 are in the vicinity of the cartridge cover wall 14 and an ignition tube 15 drawn up from the cartridge base 12 forms the ignition channel 9.
- the ignition tube 15 is located at the end of the cartridge cover wall 14 or the insulating insert 13 covering it and has jacket recesses 16 as channel openings. The ignition penetrating through the ignition channel 9 The jet is therefore stopped by the top wall 14 and goes radially through the jacket recesses 16 into the high-pressure space, it being understood that the jacket recesses 16 can have a wide variety of shapes. Not only are arch-shaped edge recesses possible, but also longitudinal slots or radial jacket bores etc.
- the ignition tube 15 ends at a distance in front of the cartridge cover wall 14 and this cover wall 14 or the inserted insulation insert 13 forms a deflection surface 17 for the front opening 18 of the ignition tube 15, which is made of the smooth, unbreakable
- the ignition tube 15 emerging from the ignition beam therefore impacts the deflection surface 17 and is thereby deflected radially and distributed circumferentially.
- the deflecting surface 17 can also be formed by a deflecting cone 19 projecting inwards and coaxially with the ignition tube 15, through which the emerging ignition jet also flows from the axial into the radial to the gas outlet openings 1Q ⁇ - a ⁇ ren ⁇ j ⁇ - R- c y ⁇ _ R —am elen. -_> ⁇ eger — U ⁇ denkkonuo
- the cone 19 here is part of the cup-shaped insert 13, but it could also be formed by the cartridge cover wall 14 or form its own attachment part.
- the actual shape of the cone 19 can also vary and have a pure cone or a convex or concave rotational shape deviating from the conical surface.
- the gas transfer openings 10 are arranged in the vicinity of the cartridge base 12, then, as indicated in the exemplary embodiment according to FIG. 4, approximately three or four bores 20 of the cartridge base 12 arranged centrally symmetrically can be provided as the ignition channel, the orifices 21 thereof in the high-pressure chamber 8 from a central, the deflecting surface 17 forming deflecting mushroom 22 are covered.
- the ignition jet emerging here in several branches is deflected radially by this deflecting mushroom 22 and thereby already acts on the propellant charge in the bottom area. 5 As indicated in the exemplary embodiment according to FIG.
- a central axial bore 23 of the cartridge base 12 can also form the ignition channel for gas outlet openings 10 arranged near the bottom, which ends in a coaxial, conical bottom-up elevation 25 and merges into centrally symmetrically distributed radial bores 24 as channel openings .
- the central ignition jet is deflected through the radial bores and distributed to the propellant charge in the high-pressure chamber 8.
- a conical insulating hood 26 can be provided, which extends between the ignition channel mouths and the gas outlet.
- openings 10 is arranged and is intended to ensure a higher pressure level in the high-pressure chamber which favors a complete combustion of the propellant charge. After the propellant charge has ignited, the gas pressure which builds up must first of all insulate the hood 26 to the top wall 14 or the bottom 12 of the pressure cartridge
- the insulation hood 26 is open on the floor side (FIG. 6) or on the ceiling side (FIG. 7) and thus prevents the resulting combustion gases from entering the gas outlet
- the sleeve base itself has the ignition chamber 5 with the ignition means 6 and an ignition bore 29 in the sleeve base 4 brings the connection between the ignition channel 9 and the ignition chamber 5 with it.
- 10 7 can be designed in various ways, irrespective of its affiliation with the grenade 2, as in the previous exemplary embodiments, only the cartridge base 30 being molded into the screw-in part and the cartridge cover wall through the grenade base
- the ignition channel 9 can, however, again be designed as an ignition tube 15 (FIG. 8) or as a central axial bore 23 with radial bores 24 as openings (FIG. 9) or in some other way.
- the cartridge 1 according to the invention ensures constant combustion and pressure conditions in the high and low pressure system by means of simple constructive measures from shot to shot and thereby guarantees a high degree of accuracy.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Air Bags (AREA)
- Materials For Medical Uses (AREA)
- Toys (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Peptides Or Proteins (AREA)
- Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
- Lighters Containing Fuel (AREA)
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT70/90 | 1990-01-15 | ||
| AT7090 | 1990-01-15 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0511229A1 true EP0511229A1 (de) | 1992-11-04 |
| EP0511229B1 EP0511229B1 (de) | 1993-09-15 |
Family
ID=3480735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP91901650A Expired - Lifetime EP0511229B1 (de) | 1990-01-15 | 1991-01-08 | Patrone, insbesondere granatpatrone |
Country Status (7)
| Country | Link |
|---|---|
| EP (1) | EP0511229B1 (de) |
| AT (1) | ATE94634T1 (de) |
| DE (1) | DE59100386D1 (de) |
| DK (1) | DK0511229T3 (de) |
| ES (1) | ES2046044T3 (de) |
| SG (1) | SG27094G (de) |
| WO (1) | WO1991010877A1 (de) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2691244B1 (fr) * | 1992-05-15 | 1994-07-08 | Pierre Richert | Arme a feu a canon doubles superposes basculants gros calibre avec option 3eme canon raye. |
| FR2733315B1 (fr) * | 1995-04-10 | 1997-06-13 | Hamy Gerard | Moteur-pousseur pour projectiles sans etuis tous calibres |
| CN100501304C (zh) * | 2005-06-03 | 2009-06-17 | 中国科学院力学研究所 | 一种能在高压环境下点燃凝聚火炸药的点火具 |
| DE102012014043B4 (de) | 2012-07-14 | 2014-02-13 | Diehl Bgt Defence Gmbh & Co. Kg | Granate, insbesondere 40-mm-Granate |
| DE112014002114B4 (de) * | 2013-06-20 | 2016-06-16 | Atlantis Manufacturing Management Services Proprietary Ltd. | Granatpatrone |
| CN103706061B (zh) * | 2013-12-10 | 2016-06-01 | 山西北方晋东化工有限公司 | 一种脉冲气压发射的森林灭火弹 |
| CN103712518B (zh) * | 2013-12-10 | 2015-10-21 | 山西北方晋东化工有限公司 | 一种低膛压发射的灭火弹机械发火装置 |
| DE102017110871A1 (de) * | 2017-05-18 | 2018-11-22 | Rheinmetall Waffe Munition Gmbh | Antriebssystem für Patronenmunition |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2110267A1 (de) * | 1971-03-04 | 1972-10-26 | Dynamit Nobel Ag, 5210 Troisdorf | Treibspiegel fur Geschoßkorper |
| 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 |
| DE3441556A1 (de) * | 1983-11-29 | 1985-06-05 | Oregon Etablissement für Patentverwertung, Mauren | Aufschlagzuender |
| DE3507643A1 (de) * | 1985-03-05 | 1986-09-11 | Nico-Pyrotechnik Hanns-Jürgen Diederichs GmbH & Co KG, 2077 Trittau | Patronierte munition |
| DE3860233D1 (de) * | 1987-02-11 | 1990-07-19 | Oregon Ets Patentverwertung | Geschoss. |
| DE3823628A1 (de) * | 1988-07-13 | 1990-01-18 | Messerschmitt Boelkow Blohm | Anzuendung fuer die treibladung einer abschussvorrichtung |
| DE8812000U1 (de) * | 1988-09-22 | 1990-02-08 | Rheinmetall GmbH, 4000 Düsseldorf | Granatengeschoß |
-
1991
- 1991-01-08 ES ES91901650T patent/ES2046044T3/es not_active Expired - Lifetime
- 1991-01-08 AT AT91901650T patent/ATE94634T1/de not_active IP Right Cessation
- 1991-01-08 WO PCT/AT1991/000004 patent/WO1991010877A1/de not_active Ceased
- 1991-01-08 DE DE91901650T patent/DE59100386D1/de not_active Expired - Fee Related
- 1991-01-08 DK DK91901650.1T patent/DK0511229T3/da active
- 1991-01-08 EP EP91901650A patent/EP0511229B1/de not_active Expired - Lifetime
-
1994
- 1994-02-21 SG SG27094A patent/SG27094G/en unknown
Non-Patent Citations (1)
| Title |
|---|
| See references of WO9110877A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| ATE94634T1 (de) | 1993-10-15 |
| WO1991010877A1 (de) | 1991-07-25 |
| DE59100386D1 (de) | 1993-10-21 |
| SG27094G (en) | 1994-10-14 |
| EP0511229B1 (de) | 1993-09-15 |
| DK0511229T3 (da) | 1994-03-21 |
| ES2046044T3 (es) | 1994-01-16 |
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