EP1464912A1 - Dispositif de récupération de l'énergie produite par le recul d'une arme - Google Patents
Dispositif de récupération de l'énergie produite par le recul d'une arme Download PDFInfo
- Publication number
- EP1464912A1 EP1464912A1 EP04290759A EP04290759A EP1464912A1 EP 1464912 A1 EP1464912 A1 EP 1464912A1 EP 04290759 A EP04290759 A EP 04290759A EP 04290759 A EP04290759 A EP 04290759A EP 1464912 A1 EP1464912 A1 EP 1464912A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- weapon
- chamber
- recoil
- piston
- accumulator
- 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
- 238000011084 recovery Methods 0.000 claims abstract description 25
- 239000012530 fluid Substances 0.000 claims abstract description 16
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 44
- 229910052757 nitrogen Inorganic materials 0.000 claims description 22
- 230000000694 effects Effects 0.000 claims description 3
- 239000003921 oil Substances 0.000 description 18
- 238000009825 accumulation Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 1
- 238000003304 gavage Methods 0.000 description 1
- 230000002650 habitual effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000010729 system oil Substances 0.000 description 1
Images
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
- F41A25/00—Gun mountings permitting recoil or return to battery, e.g. gun cradles; Barrel buffers or brakes
- F41A25/16—Hybrid systems
- F41A25/20—Hydropneumatic systems
Definitions
- the technical sector of the invention is that of braking systems of a moving element, for example a weapon during the recoil caused by the firing of a projectile and allowing to recover the energy thus developed.
- EP-0403452 describes a device allowing to use stored energy to close the breech of a armed.
- the device described allows the use of energy only for a single movement performed back and forth such that, by example, the opening / closing of the cylinder head or the ejection of the socket.
- the devices proposed do not allow the storage of recovered energy to possibly use it for other purposes.
- the known energy recuperators do not allow to feed several networks.
- the subject of the invention is therefore a device for recovery of the energy produced during the retreat of a weapon, characterized in that it comprises a recovery cylinder of energy powered by the recoil of the weapon, double cylinder effect comprising two chambers separated by a piston, a first cylinder chamber being connected to a circuit hydraulic supply of the weapon, the piston of this jack pushing the hydraulic fluid of this circuit into a storage accumulator during the recoil of the weapon.
- the actuator energy recuperator includes a second chamber that is connected to an elastic link of the weapon which ensures its pressurization.
- the jack recuperator comprises a rod integral with the piston, which rod is pushed by the weapon when returning from the battery this.
- the jack energy recuperator is connected to the supply circuit hydraulic weapon through a pipe main that divides into at least two pipes with the first and second valves allowing the fluid passage in one direction, a pipe secondary supply connecting the mainline to the storage accumulator and another pipeline secondary supply connecting the mainline to a booster accumulator.
- the first valve is disposed between the booster accumulator and the mainline, and the second flapper is disposed between the main pipe and the accumulator of storage, the first valve being closed and the second valve open when the weapon retreats.
- the storage accumulator can supply fluid under pressure the hydraulic network of the weapon by through a service line.
- the second chamber of the recovery cylinder is connected to the nitrogen chamber of the elastic link.
- the second chamber of the recovery cylinder is connected to the link elastic through a delimited oil circuit on the side of the nitrogen chamber of the elastic link by a piston free which insulates the nitrogen and the oil circuit.
- the second chamber of the recovery cylinder is connected to the oil chamber of the elastic link.
- FIG. 1 It is represented on the upper part of FIG. 1 a weapon 1 whose recoil mass 1a is schematized partially. With each shot of the weapon and in a known manner, weapon 1 is moved back and forth according to the F1 arrow.
- This weapon 1 is attached to an elastic link 20 comprising a first jack 9 whose rod 21 is secured of the recoil mass of the weapon and a nitrogen chamber 10.
- the rod 21 is secured to a piston 32 sliding in the cylinder 9 and delineating chambers 8 and 23.
- the nitrogen chamber 10 is limited by a free piston 7 which is also subject to the action of the fluid present in the cylinder 9 by through a room 22.
- the fluid of the cylinder 9 goes through a calibrated orifice and comes to feed the chamber 22 which causes compression by the free piston 7 of the nitrogen contained in the chamber 10.
- the recoil the weapon is also quickly braked by a brake of recoil (not shown) coupled to the elastic link 20.
- the compressed nitrogen in chamber 10 exerts pressure on the piston 7 which allows to provoke, after the recoil, the return in battery of the receding mass, and the return from the rod 21 to its initial position.
- a device for energy recovery 2 which is connected to the nitrogen chamber 10 and actuated by the recoil of the weapon.
- This device is shown at the bottom of Figure 1.
- the device comprises a cylinder 3 recovery rod of energy, comprising a piston 24 sliding in the body of the cylinder 3 and secured to a rod 4 which is supported by a end against the recoil mass 1a of the weapon 1.
- This piston 24 delimits a first chamber 6 and a second chamber 5.
- the second chamber 5 of the cylinder 3 is in communication with the nitrogen chamber 10 and therefore contains it is also nitrogen.
- the first room 6 is in communicating with a fluid accumulator assembly 25.
- the assembly 25 comprises on the one hand an accumulator of feeding 15 and secondly a storage accumulator 16.
- the accumulator 15 can be supplied with oil through a pipe 26 leading the return of the oil from the various actuators of the hydraulic circuit (not shown).
- the accumulator may also be powered by a pump motor 18.
- the booster accumulator 15 is a low pressure accumulator (pressure of the order of 3 10 5 Pa to 10 6 Pa).
- the storage accumulator 16 is in the form of a pressurized oil tank that is intended for power one or more devices (not shown) by via a service line 27.
- the storage accumulator 16 is a high pressure accumulator (pressure of the order of 1.5 ⁇ 10 7 Pa at 2.5 ⁇ 10 7 Pa).
- the chamber 6 of the jack 3 communicates with the assembly 25 by a main line 19 that divides into two branches 11 and 12 each provided with a non-return valve, respectively 13 and 14.
- the valve 13 allows the passage of the compressed fluid only from the booster accumulator 15 to the cylinder 3.
- the valve 14 only allows supplying the storage accumulator 16 with fluid compressed from the piston 3 (the low pressure of the booster accumulator 15 always being lower than the high pressure of storage accumulator 16).
- the compressed fluid can be conventionally oil.
- Each accumulator 15 or 16 will have one way conventional and not shown a gas chamber isolated from fluid by a membrane and allowing the pressurization of the accumulator.
- FIG. 2 illustrates the device according to the invention during an intermediate stage of the recession phase of the weapon, that is to say the energy recovery phase, the final position of the weapon not being represented because not necessary for understanding the operation.
- the receding mass of weapon 1 has distance following the arrow F2 while carrying with it the rod 21 of the cylinder 9.
- the elastic link 20 performs its function and the fluid contained in the chamber 23 is forced back into the chamber 22 which causes the compression of nitrogen contained in the room 10.
- the nitrogen pressure in room 5 concomitantly increases and pushes the piston 24 of the recuperator 3, which represses the oil contained in the first chamber 6.
- This pressurized oil is driven, through the valve 14, in the accumulator of storage 16 at high pressure. So we recovered some the energy produced by the recoil of the weapon. This energy is available in the accumulator 16 to be used at any time for example through a pipe 27.
- FIG. 3 shows the device according to the invention during of the battery return phase of the weapon. It's here nitrogen pressure contained in the chamber 10 which, as succinctly stated above, provokes this movement of back in battery of the weapon. The recoiling mass of the weapon 1 then pushes the rod 4 of the cylinder 3 (and thus the piston 24) and the returns to its original position as shown on the Figure 1.
- This return movement of the piston 24 causes a oil dip in the main pipe 19 which has the effect of opening the valve 13 and the accumulator of feeding 15 ensures the oil filling of the first chamber 6 of the cylinder 3.
- the valve 14 remains closed by the high storage collector pressure 16 which is greater than the pressure supplied by the booster accumulator 15.
- FIG. 4 illustrates a variant of the device recovery according to the invention.
- the second chamber 5 of the jack recuperator 3 is connected to the elastic link 20 by through an oil circuit comprising a pipe 29.
- This oil circuit is delimited on the side of the nitrogen chamber 10 of the elastic link 20 by a second free piston 17 which isolates the nitrogen and the oil circuit.
- the chamber 10 containing nitrogen no longer communicates with the second chamber 5 of the recovery cylinder 3.
- the piston 17 carries a rod 31 whose output out of elastic link 20, makes it possible to visualize the filling in system oil.
- the operating principle remains overall the same, the nitrogen pressure then applies to piston 24 of the recovery cylinder 3 via a other fluid.
- This embodiment has the advantage of being safer. Indeed if a rupture of the line 29 occurs by accident, there is no nitrogen leakage and the elastic link 20 remains functional. The shots remain possible.
- FIG. 5 illustrates another variant embodiment of recovery device according to the invention.
- the second chamber 5 of the jack recuperator 3 is connected to the oil chamber 22 of the link elastic 20 of the weapon via a pipe 30.
- the oil is pushed the chamber 23 to the chamber 22 and therefore to the second chamber 5 of the recovery cylinder 3.
- the nitrogen pressure of the chamber 10 bring back in battery the receding mass of the weapon.
- the mass receding pushes the rod 4 and the oil depression which in results in the main pipe 19 causes re-feeding in circuit oil by the booster accumulator 15.
- Other variants are of course possible without as far out of the scope of the invention.
- this circuit also includes control bodies and habitual securities such as manometers and pressure relief valves.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Fluid-Pressure Circuits (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
- Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
- Generation Of Surge Voltage And Current (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Laser Surgery Devices (AREA)
- Separation By Low-Temperature Treatments (AREA)
Abstract
Description
- la figure 1 représente schématiquement le dispositif selon l'invention en phase statique,
- la figure 2 représente schématiquement le dispositif selon l'invention en phase de recul, c'est-à-dire en phase d'accumulation d'énergie,
- la figure 3 représente schématiquement le dispositif selon l'invention en phase de rentrée en batterie, c'est-à-dire en phase de gavage du vérin de récupération d'énergie,
- la figure 4 représente schématiquement une première variante du dispositif selon l'invention, et
- la figure 5 représente schématiquement une deuxième variante du dispositif selon l'invention.
Claims (9)
- Dispositif de récupération (2) de l'énergie produite lors du recul d'une arme (1), caractérisé en ce qu'il comprend un vérin (3) récupérateur d'énergie actionné par le recul de l'arme, vérin à double effet comprenant deux chambres séparées par un piston (24), une première chambre (6) du vérin étant reliée à un circuit d'alimentation hydraulique de l'arme, le piston (24) de ce vérin (3) poussant le fluide hydraulique de ce circuit dans un accumulateur de stockage (16) lors du recul de l'arme.
- Dispositif selon la revendication 1, caractérisé en ce que le vérin récupérateur (3) d'énergie comprend une deuxième chambre (5) qui est reliée à un lien élastique (20) de l'arme qui assure sa pressurisation.
- Dispositif selon la revendication 1 ou 2, caractérisé en ce que le vérin récupérateur comporte une tige (4) solidaire du piston (24), tige qui est poussée par l'arme (1) lors du retour en batterie de celle ci.
- Dispositif selon une des revendications 1 à 3, caractérisé en ce que le vérin récupérateur (3) d'énergie est relié au circuit d'alimentation hydraulique de l'arme par l'intermédiaire d'une canalisation principale (19) qui se divise en au moins deux canalisations secondaires (11, 12) munies des premier (13) et second (14) clapets autorisant le passage de fluide dans un seul sens, une canalisation secondaire (12) reliant la canalisation principale à l'accumulateur de stockage (16) et une autre canalisation secondaire (11) reliant la canalisation principale à un accumulateur de gavage (15).
- Dispositif selon la revendication 4, caractérisé en ce que le premier clapet (13) est disposé entre l'accumulateur de gavage (15) et la canalisation principale (19), et le deuxième clapet (14) est disposé entre la canalisation principale (19) et l'accumulateur de stockage (16), le premier clapet (13) étant fermé et le second clapet (14) ouvert lors du recul de l'arme.
- Dispositif selon une des revendications 1 à 5, caractérisé en ce que l'accumulateur de stockage (16) alimente en fluide sous pression le réseau hydraulique de l'arme par l'intermédiaire d'une canalisation de service (27).
- Dispositif de récupération d'énergie selon une des revendications 2 à 6, caractérisé en ce que la deuxième chambre (5) du vérin récupérateur (3) est reliée à la chambre d'azote (10) du lien élastique (20).
- Dispositif de récupération d'énergie selon une des revendications 2 à 6, caractérisé en ce que la deuxième chambre (5) du vérin récupérateur (3) est reliée au lien élastique (20) par l'intermédiaire d'un circuit d'huile (29) délimité du côté de la chambre d'azote (10) du lien élastique (20) par un piston libre (17) qui isole l'azote et le circuit d'huile (29).
- Dispositif de récupération d'énergie selon l'une quelconque des revendications 2 à 6, caractérisé en ce que la deuxième chambre (5) du vérin récupérateur (3) est reliée à la chambre d'huile (22) du lien élastique (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL04290759T PL1464912T3 (pl) | 2003-04-03 | 2004-03-22 | Urządzenie do odzyskiwania energii wytwarzanej podczas odrzutu broni |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0304163 | 2003-04-03 | ||
| FR0304163A FR2853408B1 (fr) | 2003-04-03 | 2003-04-03 | Dispositif de recuperation de l'energie produite par le recul d'une arme |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1464912A1 true EP1464912A1 (fr) | 2004-10-06 |
| EP1464912B1 EP1464912B1 (fr) | 2010-07-14 |
Family
ID=32843137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP04290759A Expired - Lifetime EP1464912B1 (fr) | 2003-04-03 | 2004-03-22 | Dispositif de récupération de l'énergie produite par le recul d'une arme |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US7258056B2 (fr) |
| EP (1) | EP1464912B1 (fr) |
| AT (1) | ATE474201T1 (fr) |
| DE (1) | DE602004028068D1 (fr) |
| ES (1) | ES2348869T3 (fr) |
| FR (1) | FR2853408B1 (fr) |
| PL (1) | PL1464912T3 (fr) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4379307A1 (fr) * | 2022-11-30 | 2024-06-05 | BAE SYSTEMS plc | Arme d'artillerie |
| WO2024115876A1 (fr) * | 2022-11-30 | 2024-06-06 | Bae Systems Plc | Pièce d'artillerie |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7594465B2 (en) * | 2003-03-07 | 2009-09-29 | Bae Systems Land & Armaments L.P. | In bore air regulation system |
| DE102010051651A1 (de) * | 2010-11-17 | 2012-05-24 | Liebherr-Hydraulikbagger Gmbh | Arbeitsgerät |
| US9097475B2 (en) | 2012-12-05 | 2015-08-04 | Ra Brands, L.L.C. | Gas-operated firearm with pressure compensating gas piston |
| US9383149B2 (en) | 2012-12-05 | 2016-07-05 | Ra Brands, L.L.C. | Gas-operated firearm with pressure compensating gas piston |
| US9212856B2 (en) | 2012-12-26 | 2015-12-15 | Ra Brands, L.L.C. | Gas cut-off system for firearms |
| US8950313B2 (en) | 2013-01-04 | 2015-02-10 | Ra Brands, L.L.C. | Self regulating gas system for suppressed weapons |
| US8887616B2 (en) | 2013-01-11 | 2014-11-18 | Ra Brands, L.L.C. | Auto regulating gas system for supressed weapons |
| US9500423B2 (en) | 2014-01-24 | 2016-11-22 | Ra Brands, L.L.C. | Method and mechanism for automatic regulation of gas flow when mounting a suppressor to a firearm |
| US10823523B1 (en) * | 2019-09-25 | 2020-11-03 | Mandus Group Llc | Temperature compensator for artillery system |
| GB2624907A (en) * | 2022-11-30 | 2024-06-05 | Bae Systems Plc | Artillery weapon |
| CN115930673A (zh) * | 2022-11-30 | 2023-04-07 | 山西北方机械制造有限责任公司 | 一种双向储存高压气体装置 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3964365A (en) * | 1973-07-13 | 1976-06-22 | Rheinmetall G.M.B.H. | Device for utilizing part of the recoil energy of a weapon |
| US4296670A (en) * | 1979-06-29 | 1981-10-27 | General Electric Company | Ordnance recoil energy control and recovery system |
| EP0403452A2 (fr) * | 1989-05-09 | 1990-12-19 | Aktiebolaget Bofors | Frein et accumulateur d'énergie pour le chargement et l'éjection des cartouches d'artillerie |
| EP0491106A1 (fr) * | 1989-10-11 | 1992-06-24 | Ab Bofors | Améliorations aux systèmes de recul |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2410116A (en) * | 1935-12-12 | 1946-10-29 | Vickers Inc | Breech actuating and control system |
| US3144809A (en) * | 1952-08-27 | 1964-08-18 | Philias H Girouard | Breech block operating mechanism |
| US3146672A (en) * | 1952-08-27 | 1964-09-01 | Philias H Girouard | Means for charging hydraulic systems for guns |
| US4046056A (en) * | 1976-04-05 | 1977-09-06 | The Garrett Corporation | Pneumatic gun system and method |
| US5042360A (en) * | 1985-12-23 | 1991-08-27 | M.C. Aerospace Corporation | Hydraulic regenerative starter/speed regulator for a gun gas powered gatling gun |
| GB2268793B (en) * | 1992-07-15 | 1996-05-22 | Vickers Shipbuilding & Eng | Improvements in or relating to drive devices |
| FR2789760B1 (fr) * | 1999-02-16 | 2001-12-07 | Tda Armements Sas | Dispositif anti-recul avec frein, compensateur du frein et recuperateur |
-
2003
- 2003-04-03 FR FR0304163A patent/FR2853408B1/fr not_active Expired - Fee Related
-
2004
- 2004-03-22 PL PL04290759T patent/PL1464912T3/pl unknown
- 2004-03-22 DE DE602004028068T patent/DE602004028068D1/de not_active Expired - Lifetime
- 2004-03-22 AT AT04290759T patent/ATE474201T1/de not_active IP Right Cessation
- 2004-03-22 EP EP04290759A patent/EP1464912B1/fr not_active Expired - Lifetime
- 2004-03-22 ES ES04290759T patent/ES2348869T3/es not_active Expired - Lifetime
- 2004-04-01 US US10/814,138 patent/US7258056B2/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3964365A (en) * | 1973-07-13 | 1976-06-22 | Rheinmetall G.M.B.H. | Device for utilizing part of the recoil energy of a weapon |
| US4296670A (en) * | 1979-06-29 | 1981-10-27 | General Electric Company | Ordnance recoil energy control and recovery system |
| EP0403452A2 (fr) * | 1989-05-09 | 1990-12-19 | Aktiebolaget Bofors | Frein et accumulateur d'énergie pour le chargement et l'éjection des cartouches d'artillerie |
| EP0491106A1 (fr) * | 1989-10-11 | 1992-06-24 | Ab Bofors | Améliorations aux systèmes de recul |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4379307A1 (fr) * | 2022-11-30 | 2024-06-05 | BAE SYSTEMS plc | Arme d'artillerie |
| WO2024115876A1 (fr) * | 2022-11-30 | 2024-06-06 | Bae Systems Plc | Pièce d'artillerie |
Also Published As
| Publication number | Publication date |
|---|---|
| US7258056B2 (en) | 2007-08-21 |
| FR2853408B1 (fr) | 2007-11-30 |
| US20040216598A1 (en) | 2004-11-04 |
| PL1464912T3 (pl) | 2010-12-31 |
| EP1464912B1 (fr) | 2010-07-14 |
| ES2348869T3 (es) | 2010-12-16 |
| DE602004028068D1 (de) | 2010-08-26 |
| ATE474201T1 (de) | 2010-07-15 |
| FR2853408A1 (fr) | 2004-10-08 |
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