EP0810416B1 - Pyrotechnisches Verzögerungsröhrchen - Google Patents
Pyrotechnisches Verzögerungsröhrchen Download PDFInfo
- Publication number
- EP0810416B1 EP0810416B1 EP97108283A EP97108283A EP0810416B1 EP 0810416 B1 EP0810416 B1 EP 0810416B1 EP 97108283 A EP97108283 A EP 97108283A EP 97108283 A EP97108283 A EP 97108283A EP 0810416 B1 EP0810416 B1 EP 0810416B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- delay
- bores
- diameter
- casing
- delay tube
- 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 - Lifetime
Links
- 239000003380 propellant Substances 0.000 description 7
- 238000010304 firing Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 230000005923 long-lasting effect Effects 0.000 description 2
- 239000002775 capsule Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Images
Classifications
-
- 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
- F42B3/10—Initiators therefor
- F42B3/16—Pyrotechnic delay initiators
Definitions
- the invention relates to a pyrotechnic delay tube for Generators, such as fire extinguishing generators according to the preamble of claim 1.
- a pyrotechnic delay tube consisting of a sleeve, a mechanical ignitable capsule and a delay set arranged in the sleeve used in a practice hand grenade according to AT -B- 396 304.
- the delay set extends to the bottom end of the sleeve, whereby there is an outlet opening. Lateral outflow openings are not provided that in the axial continuation of the delay tube a pop kit container with a bang set consisting of black powder.
- the Firing container has side holes in two levels. Prevent this that the critical gas pressure is reached when the pop set is fired Destruction of the pop set container would result.
- Such an arrangement is for the ignition of a propellant for generators, such as fire extinguishing generators, not suitable.
- a caseless ammunition is known from DE -A- 18 03 358.
- a storey core has a central part constricted except for an igniter carrier and a mechanical primer-carrying rear part. There is a in the fuse holder Ignition channel arranged. This ranges from the rear primer to front storey core, with a lateral cross hole the hot ignition gases leads to a propellant charge arranged in the middle part. Because of the two A spherical flame pattern cannot be achieved at the side holes.
- the invention is based on the object a pyrotechnic delay tube that propose a propellant ignites extensively.
- a fire extinguisher generator 1 has, among other things, a mechanically actuable one Draw trigger 2 with a delay tube 3 and a housing 4 with a propellant 5 on.
- the delay tube 3 consists of a sleeve 10 with a through Not shown firing pin triggerable squib 11, a delay set 12, an end face 13 and from, lying in a plane 14 holes 15th
- the holes 15 are arranged in a star shape according to FIG. 3 and point between an angle 16 of 60 °.
- the delay set 12 extends almost over the entire cargo space 17 of the sleeve 10. It extends from a distance of unspecified the squib 11 to the bottom 13. The holes 15 are thus immediately in the area of the deceleration set 12.
- the axial distance 20 from a deepest Point 21 of the bottom 13 is approximately 0.5 to 1.5 of the diameter 22 of the deceleration set 12, the optimized distance 0.9 diameter 22 of the delay set Is 12.
- the bottom 13 is formed in one piece with the sleeve 10.
- the diameter 23 of the bores 15 is approximately 0.3 to 0.5 of the diameter 22 of the delay set 12.
- the optimized diameter is 0.4 des Diameter 22 of the delay set 12th
- the fire jet causes the primer 11 the front ignition of the delay set 12 at 30.
- the Focal front, level 14 in which the bores 15 are arranged in a star shape. From the holes 15, the flames 40 radiate in a star or spherical shape to all Pages and reproducibly ignite the propellant 5.
- the spherical flame pattern with the divergent ones is essential for the invention Flames 40 and the long-lasting flame effect due to the distance 20.
- the distance 20 represents the so-called flame reserve for the ignition of the Propellant 5 represents the flame front, which after the ignition by the primer 11 moved in the direction of arrow 50 to point 21, reaches the upper edge at 51 of the bores 15.
- Flame front of propellant charge 12 has a long-lasting flame effect generated.
- the decisive factor is the record length below 52 below Lower edge 54 of the bores 15.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Air Bags (AREA)
- Vessels And Coating Films For Discharge Lamps (AREA)
- Toys (AREA)
- Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
Description
- Fig. 1
- einen Teil eines Feuerlöschgenerators,
- Fig. 2
- ein pyrotechnisches Verzögerungsröhrchen im Längsschnitt entsprechend Fig. 1 und
- Fig. 3
- einen Schnitt III - III nach Fig. 2.
Claims (4)
- Pyrotechnisches Verzögerungsröhrchen (3) für Generatoren, wie Feuerlösch-Generatoren, bestehend aus einer Hülse (10), einer mechanisch zündbaren Zündkapsel (11), in der Hülse (10) angeordneten Verzögerungssatz (12),
wobei der Verzögerungssatz (12) sich bis zum bodenseitigen Ende der Hülse (10) erstreckt,
dadurch gekennzeichnet, dass die Hülse (10) in Abbrandrichtung (50) stirnseitig geschlossen ist und
im Bereich des geschlossenen Endes (13) seitliche, kalibrierte Bohrungen (15) aufweist,
die Bohrungen (15) in einer einzigen Ebene (14) sternförmig angeordnet sind, und der Verzögerungssatz (12) am abbrandseitigen Boden (13, 21) anliegt. - Verzögerungsröhrchen nach Anspruch 1,
dadurch gekennzeichnet, dass die Bohrungen (15) in einem Winkel (16) von 60° zueinander versetzt sind. - Verzögerungsröhrchen nach Anspruch 1,
dadurch gekennzeichnet, dass der axiale Abstand (20) der Bohrungen (15) vom Boden (13) etwa 0,5 bis 1,5 Durchmesser (22) des Verzögerungssatzes (12) beträgt. - Verzögerungsröhrchen nach Anspruch 1,
dadurch gekennzeichnet, dass der Durchmesser (23) der Bohrungen (15) etwa 0,3 bis 0,5 des Durchmessers (22) des Verzögerungssatzes (12) beträgt.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE29609498U | 1996-05-29 | ||
| DE29609498U DE29609498U1 (de) | 1996-05-29 | 1996-05-29 | Pyrotechnisches Verzögerungsröhrchen |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP0810416A2 EP0810416A2 (de) | 1997-12-03 |
| EP0810416A3 EP0810416A3 (de) | 1999-05-19 |
| EP0810416B1 true EP0810416B1 (de) | 2002-09-25 |
Family
ID=8024498
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP97108283A Expired - Lifetime EP0810416B1 (de) | 1996-05-29 | 1997-05-22 | Pyrotechnisches Verzögerungsröhrchen |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP0810416B1 (de) |
| DE (2) | DE29609498U1 (de) |
| ES (1) | ES2184004T3 (de) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2516898A (en) * | 1945-11-09 | 1950-08-01 | Leo T Meister | Primer and method of manufacture |
| DE1803358A1 (de) * | 1968-10-16 | 1970-05-14 | Mauser Werke Ag | Huelsenlose Munition |
| DE3719648A1 (de) * | 1987-02-09 | 1988-12-29 | Erich Brosa | Zuender fuer lange pulverladungen in patronenhuelsen grosser kaliber |
| AT396304B (de) * | 1991-03-26 | 1993-08-25 | Oregon Ets Patentverwertung | Uebungs-handgranatenzuender |
| US5379699A (en) * | 1993-08-02 | 1995-01-10 | The United States Of America As Represented By The Secretary Of The Navy | Active spray rocket propellant ignition controller |
-
1996
- 1996-05-29 DE DE29609498U patent/DE29609498U1/de not_active Expired - Lifetime
-
1997
- 1997-05-22 EP EP97108283A patent/EP0810416B1/de not_active Expired - Lifetime
- 1997-05-22 ES ES97108283T patent/ES2184004T3/es not_active Expired - Lifetime
- 1997-05-22 DE DE59708296T patent/DE59708296D1/de not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| DE29609498U1 (de) | 1997-09-25 |
| DE59708296D1 (de) | 2002-10-31 |
| EP0810416A3 (de) | 1999-05-19 |
| EP0810416A2 (de) | 1997-12-03 |
| ES2184004T3 (es) | 2003-04-01 |
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