EP2566585A1 - Druckentlastungsvorrichtung für druckfest gekapselte gehäuse - Google Patents
Druckentlastungsvorrichtung für druckfest gekapselte gehäuseInfo
- Publication number
- EP2566585A1 EP2566585A1 EP11718060A EP11718060A EP2566585A1 EP 2566585 A1 EP2566585 A1 EP 2566585A1 EP 11718060 A EP11718060 A EP 11718060A EP 11718060 A EP11718060 A EP 11718060A EP 2566585 A1 EP2566585 A1 EP 2566585A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- relief device
- pressure relief
- edge
- pressure
- porous body
- 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
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C4/00—Flame traps allowing passage of gas but not of flame or explosion wave
Definitions
- the invention relates to a Druckentlastungsvorrich ⁇ device for a protective housing for pressure-resistant encapsulation of resources that can form ignition sources.
- Such protective housings are used primarily for encapsulating electrical equipment that can be used in potentially explosive environments.
- electrical equipment may as ignition sources we ken ⁇ circumstances. Are in the flameproof enclosure explosionsfä ⁇ hige gases or gas mixtures penetrated, this ver ⁇ puff or explode. The resulting pressure must not damage in a way or destruc ⁇ ren the housing so that the flame or hot particles pass to the outside. The housing must withstand the occurring maximum explosion pressure.
- the US 4,180,177 proposes to form a window on a flameproof enclosure, in which a plate made of a foam, consisting of stainless steel, is provided.
- This metal foam sheet has a out.
- the ⁇ ches pore volume and thus permits the outflow of both unburned and burned gases from the housing volume, the metal foam at the same time acts as a result of its cooling ⁇ effective as an effective flame arrestor.
- DE 1170346 proposes as a flame arrester also porous metal body as well as metal wool before. Next ceramic filters and porous sintered Eisenkör mentioned ⁇ by the flame arrester.
- each channel leading from the inside of the housing must have a narrow gap width and a considerable length.
- the flame arrester ensures this by appropriate dimensioning of mesh size or pore size and pore volume.
- the conditions with regard to the gap width occurring and thus the flame penetration safety must be observed not only on the filter body itself, but also at its transition to its enclosure. This must insbesonde ⁇ re also be ensured in the case of acting on the filter body housing increased internal pressure that can occur during an explosion or deflagration in the housing interior.
- the pressure relief device has a receiving body with a passage in which a porous body is arranged. This is taken at its edge in or on the receiving body, which may be formed as a separate component or part of the housing wall.
- the edge comprises the outer peripheral surface and the two radially outer edge zones of the preferably flat surfaces, through which gases can flow into and out of the housing.
- the edge is already provided with a pore closure, if at least one of the aforementioned surfaces have closed pores. This can Flammen press- particular proposals at the edge of the porous body by avoiding the ⁇ . Thereby improving the vorgenomme ⁇ ne of the porous body marginal pore closure, the safety of the pressure relief device ⁇ against flame.
- the porous body may be formed for example by a Fa ⁇ ser für. It may be here to irregular shapes ⁇ SSIG arranged fibers, for example made of metal, which are joined together, for example by sintering, so as to form a rigid metal felt-like body with ho ⁇ hem pore volume.
- the fibers may consist of a ⁇ a uniform or different metals.
- porous body of wire ⁇ For example, a mesh or a knitted fabric made of wire, a single-layer or multi-layer fabric made of wire, wire mesh structures or the like can serve for this purpose.
- multi-layered constructed wire mesh composite panels consist for example of interconnected planar mesh ⁇ arrangements of wire. In this case can the same or different wires with the same or different diameters and material characteristics for use kom ⁇ men in the individual layers, as well as in the different layers.
- porous body metal body in the shape of several layers of expanded metal or Bandwickelanord ⁇ voltages.
- the porous body may be a tall Me ⁇ sintered body made by sintering individual interconnected metal particles.
- the metal particles may be metal balls ⁇ uniform or different diameters or otherwise formed metal ⁇ body of the same or different metals.
- the edge-side closure according to the invention pores of the body obstructs a ent ⁇ yaken for example, in the case the flame path in the edge area of the fiber structure.
- the edge-side Porenver ⁇ circuit prevents the bypass of the porous body by the flame. Thus, even at the edge of the porous body no flame penetration.
- a pre ⁇ voltage of the edge of the porous body may be placed against a provided on the receiving body seat to complete by a fixed abutment of the edge on the seat surface, the pores of the porous body to the outside.
- the fixed contact between the edge and the seat is preferably achieved by a clamping device.
- the seat can be conical.
- the edge is then preferably before ⁇ a similar conical, machined bearing surface.
- the mechanical processing can ⁇ example, be a grinding operation, a laser cutting processing or similar processing which leaves a smooth surface.
- smooth here is an area verstan ⁇ whose surface roughness is at most as large as the maximum pore cross-section of the porous body.
- the roughness of the contact surface is, however, lower.
- the thus given gap-free fit of the porous body are disposed between the porous material and the surrounding material, so the seat surface, no column is present, the big ⁇ SSER than that of the porous material are. thus, an environmental Preventing the porous body due to hot gases, particles or flames.
- the pore closure causes the resulting flames to remain trapped in the housing and not escape to the outside.
- the pressure relief device allows (ge ⁇ cooled) gases escape and thus reduces the peak pressure occurring in the housing. The mechanical strength of the protective housing required for pressure-resistant encapsulation can thus be reduced.
- this material forms a porous body to the edge of the closing ⁇ tire, on the one hand closes the pores and on the other without a gap sits in the receiving body.
- ⁇ to additionally these tires can be ⁇ glued or by any other sealant in this gesi ⁇ chert in the receiving body.
- the edge of the porous body enclosing material metal or non-metal
- This seal preferably forms a plas ⁇ table in the peripheral pores of the porous body.
- a collar may be provided on the tire is sealingly ver ⁇ connected to the receiving body for example by potting.
- the seal is axially spaced from the porous body. Deformations of the porous body, for example, as a result of explosions inside the housing do not damage the seal, so that marginal gap freedom emergege ⁇ remains.
- the tire and the collar also separate the potting from the porous body, so that the penetration of possibly low-viscosity potting compound is avoided in the porous body.
- a membrane can also be provided, preferably gas permeable ⁇ the passage of Aufnähme stressess but it watertight seals.
- the Membrane can also be formed of gas-impermeable and or vapor-impermeable material. Additionally or alternatively, a splash guard may be provided.
- FIG. 2 shows the pressure relief device according to FIG. 1, in a perspective vertical sectional view
- Figure 3-6 various structures for an applicable in the pressure relief device of Figure 2 porö ⁇ sen body
- FIG. 7 shows a modified embodiment of the pressure relief ⁇ apparatus of Figure 1, in perspective, vertical sectional view,
- FIG. 8 shows a porous body with pore closure, in a separate perspective vertical sectional view
- Figure 9 shows the edge of the body of Figure 8, in perspec ⁇ TiVi shear vertical sectional view
- FIG. 11 u. 12 different porous bodies for the Pressure relief device according to Figure 10, in perspektivi ⁇ shear vertical sectional view,
- FIG. 13 shows a further modified embodiment of the pressure relief device according to the invention, in a perspective vertical sectional view
- a protective housing 10 which houses several not illustrated components, wherein ⁇ game as electrical devices such as circuit boards, operating equipment, electronic or electrical components and the like which may act operation or in the event of an error as sources of ignition.
- the protective housing has a pressure-resistant wall 11, which encloses the interior 12 of the protective housing 10.
- the interior 12 is not hermetically sealed against the environment. It can thus reach combustible gases in the interior 12.
- the wall 11 is so far dense, as at any point openings or gaps are provided through which a flameout could occur.
- the wall 11 comprises side parts 13, 14, an upper end 15 and a bottom 16. Both at the side parts 13, 14 and at the upper end 15 and / or the bottom 16 may be provided an opening 17 into which a pressure relief device 18th is used. This establishes a gas-permeable connection between the interior 12 and the environment, wherein it preferably has a low flow resistance, in order to reduce the size of the resulting pressure peaks even when expiring explosive reactions in the interior 12 by emerging gases can flow out quickly and easily.
- the pressure relief device 18 is illustrated separately in FIG. 2 in a first embodiment.
- the pressure relief device 18 has a receiving body 19 with a central through-passage 20.
- the receiving body 19 may, as shown, in all embodiments ⁇ forms a separate part or alternatively also be formed as part of the housing wall 11. This one is for this purpose seen to connect the interior 12 of the protective housing 10 with the um ⁇ environment in pressure-compensating manner.
- Passage channel 20 may be limited in cross section round or polygonal.
- the cross section is circular.
- the receiving body 19 may be provided at its upper in Figure 2, in use the interior 12 of the protective housing 10 ⁇ facing end with a flange 21 which rests against the inside of the wall 11, for example on the bottom 16.
- the outer periphery of the receiving body 19 may be provided with attachment means 22 such as an external thread, which serves to secure the pressure relief device 18 in the opening ⁇ 17th This can be provided with a corresponding internal thread.
- the receiving body 19 to receive a securing nut on the outer thread 22 or ⁇ be provided with Other pe ⁇ gen securing or fastening means.
- a porous body 23 is arranged, which serves as a flame barrier.
- the porous body 23 is formed as a flat disc-shaped body having a circular outline and a uniform thickness.
- the receiving body 19 has a transversely through the passage 20 extending screen bottom 24, which may for example be integral part of Aufnah ⁇ me stressess 19 and is rigid. It has a large number of holes that allow free passage of gas.
- the porous body 23 is located on the inner side 12 facing side of the sieve tray 24th
- the porous body 23 preferably has a close-meshed scaly structure.
- it consists, as shown in Fi gur ⁇ 2, arranged in several superimposed wire grids.
- the multiple grid layers 25 can be arranged loosely on ⁇ each other or connected to each other.
- each mesh layer 25 is composed of groups in parallel on ⁇ parent wires, wherein the wires of one group cross the wires of the other group and are provided at the crossing points, for example spot welds, the lattice layers 25 may also be connected by welds, solder bumps or the like with each other.
- the grid layers 25 may also be wire mesh or wire mesh, wherein the various ⁇ mesh layers 25 may be interconnected or may be arranged loosely on top of each other.
- the porous body 23 has a surface 26 facing the interior 12, a surface 27 lying on the sieve bottom 24 and an edge 28.
- the edge 28 is at least partially, at least on the outer Randflä ⁇ che 28 a of a sleeve 29 made of soft metal, in ⁇ example, tin , which also passes at least ei ⁇ ner side, for example, the side 26, in an annular collar 30 which rests on an outer annular zone of the surface 26.
- the sleeve 29 and the annular collar 30 are so soft that they sealingly presses under pressure at least on the outer ring ⁇ zone of the surface 26 and thus forms a pore closure 31.
- the cuff 29 is a plastic seal.
- a clamping nut 33 is screwed, which, for example, on the surface 26 side facing ei ⁇ ne groove for receiving the annular collar 30 may have. If the clamping nut 33 is tightened, it presses the annular collar 30 in the axial direction to the outer edge of the surface 26 and leaves the plastic material of the sleeve 29 axially and then possibly radially inwardly flow, so that the outer pores of the porous body 23 at its edge 28 securely closed. All may be facing ⁇ handenen gaps are sealed so far that no Flam ⁇ ⁇ men pressschlag is mög Lich bypassing the porous body 23 here.
- the passage 20 may also be closed with a diaphragm 34.
- a diaphragm 34 This consists for example of a material, as it is used for many weatherproof clothing ⁇ pieces.
- the diaphragm 34 may be secured by a rubber boot 35 or similar means to the outboard port of the pressure relief device 18.
- the membrane 34 may be formed of a non-vapor permeable material.
- the membrane 34 can be supported from the inside by a grid 36.
- the pressure relief device 18 described so far operates as follows:
- the screwed into the opening 17 pressure relief ⁇ device 18 keeps the porous body 23 in connection with the Aufnähme Sciences 19 in gapless composite.
- the porous body 23 forms a pressure relief filter, which at the edge is covered with a soft metal ring, for example in the form of the sleeve 29.
- the membrane 34 closes the passage 20 waterproof to the outside.
- the membrane 34 is preferably atmungsak ⁇ tive and can thus be befindliches in the inner space 12 gasför ⁇ Miges water (water vapor) escape from the inner space 12, whereby an excessive moistening of the inner space 12 is the vermie ⁇ .
- FIG. 3 An alternative embodiment of such a body 23 is shown in Figure 3, which reproduces the plan view of such a body in sections.
- the body 23 here consists of a tissue cooling Mate ⁇ rials, such as wire, wire rope, ceramic rope o- or the like. Several such layers can be connected together to form a fle ible ⁇ or rigid body.
- FIG. 4 it is alternatively possible to form the body 23, as shown in FIG. 4 in a fragmentary plan view, by means of an unordered arrangement of fibers or threads, for example made of a metal or other materials such as ceramic or a mixture of different fibers, eg also ceramic fibers and metal fibers can exist.
- Figure 4 shows the top view of a sintered metal fiber ⁇ body, which is designed so that the pores in it are indeed different sizes, but no pore is so large that a flameout would be possible.
- the porous body 23 is ⁇ be there from a number of interconnected metal beads preferably of predominantly the same size. They may have been interconnected by a sintering process.
- the mold body 23, as shown in 6 in egg ⁇ ner fragmentary plan view may show, be formed by corrugated pointwise interconnected metal strips, which are arranged for example in several layers one above the other lie ⁇ quietly to form the air permeable body 23rd
- the forming in the body 23 according to Figure 6 bands can also have a width which coincides with the Ge ⁇ feliere of the body 23 in which are formed in this embodiment advantageously straight passage gaps, which have a very low flow resistance.
- a molded body or Pul ⁇ ver may be disposed in the space below the sieve plate 24 or also between the sieve plate 24 and the mold body 23. These can absorb foreign substances from the air. This ensures that foreign substances ⁇ ge ⁇ long in the pores of the body 23 and into the housing can be prevented.
- the insides of the passage opening 20 may be provided with a coating, which constantly releases silver ions. Characterized the surfaces are lasting protection against germs and bacteria, so that can not form micro-organisms that would clog the Po ⁇ ren the filter or porous body 23rd
- the pores of the porous body 23 may also be provided with a coating which releases silver ions to preclude germination.
- the entire pressure relief device 18 or parts dersel ⁇ ben, such as the body 23 and / or the membrane 34 exchange or replace.
- the rubber sleeve 35 or any other buildin ⁇ actuating ring and optionally torn membrane 34 is removed and replaced by new parts.
- Figure 7 illustrates a modified embodiment of the pressure relief device 18, for which the previous description, except as explained below, Be ⁇ special features applies accordingly:
- the passage body 19 is designed without a sieve bottom in order to explain by way of example that this is optional in all embodiments.
- a flat annular seat 36 is formed to replace the sieve plate 24, which serves to receive the body 23.
- the body 23 may be madebil ⁇ det according to one of the aforementioned types. It is illustrated separately in FIG. As can be seen, its edge 28 is provided with a pore closure 31, which is formed for example by a plastic material (or a metal). The material around ⁇ closes the edge surface 28a and the outer edges of the Pages 26, 27 without gaps and penetrates into the outer areas of the pores present there.
- the tire body 37 formed in this way has, as the detail in FIG.
- FIG. 9 shows in particular, a cylinder jacket-shaped outer side 38 and a flat underside 39 and a planar annular upper side 40. From the latter, a tubular axial extension 41 may extend away, which adjoins the inner edge of the upper side 40.
- the annular space formed between the wall of the through-channel 20 and the axial extension 41 can be filled with potting compound 42, which ensures a gap-free seating of the body 23 in the passage 20. In addition, it is prevented that the Ver ⁇ casting compound 42 in an uncontrolled manner and penetrates into the porous body 23 before ⁇ closes it.
- clamping nut 33 can be screwed into the passage 20 to secure the filter body formed from the body 23 and its sheath firmly in the passage 20.
- FIG. 10 A further embodiment of the pressure relief device 18 is illustrated in FIG. 10 in conjunction with FIG. 11.
- the preceding statements apply to the embodiments described so far, with the exception of the following explanations:
- the porous body 23, which may be structured according to each of the aforementioned types, here has a conical edge surface 28a instead of a cylindrical edge surface 28a.
- This is preferably machined, preferably ⁇ , finely machined, for example by grinding, laser cutting, La ⁇ or the like, so that a machined bearing surface is generated 43rd
- This one is a preferably also associated with a conical seat 44, which is arranged subsequent to the support surface 36 and concentric with the ⁇ ser.
- the clamping nut 33 presses with its annular end face on the outer edge of the surface 26 and thus presses the abutment surface 43 against the seat surface 44, to effect a gap-free fit of the body 23.
- the pore sealing can be formed by a tire-like enclosure of the body 23, 31 also in this form of the receiving body 19, this enclosure preferably again except a plastic material, for example a thermoplastic or a thermoset curing resin or egg ⁇ nem soft metal, eg tin.
- the enclosure around ⁇ gives the edge 28 of the body 23 and penetrates at least partially ⁇ in the existing there open pores to close them.
- the enclosure body 45 thus formed may be provided on the outside with a conical bearing surface 46 which cooperates with the seat surface 44 without gaps.
- the locknut 33 can be used to bias the seat and suppress the formation of crevices.
- Figure 13 illustrates a further embodiment of the pressure relief device 18 with a passage body 19 is formed, for example, in reference to the From ⁇ operation example according to FIG 10th
- the body 23 of FIG. 12 may be used.
- the porous body 23 in an annular Um chargedsisson 45, preferably ⁇ example of a soft metal insert.
- the example cylindrical edge of the body 23 abuts against the cylindrical inner surface of the enclosure body 45, which lies with its ko ⁇ African outer surface of the conical seat surface of the receiving body 19.
- an axial compression spring 46 and optionally a pressure distribution ring 47 is arranged between the enclosing body 45 and the clamping nut 33.
- the clamping nut 33 can be secured with a lock nut 48.
- the compression spring 46 is formed, for example, in the manner of a plate spring.
- the enclosure body 45 is preferably made of a soft metal or a
- Plastic or an elastomer plastic or an elastomer.
- a shaped body On the outside of the body 23 may be provided with a plurality of labyrinth openings a shaped body. This can serve as splash protection. Preferably, this shaped body when properly installed down.
- the lower end can form the previously described membrane 34 with a suitable attachment, for example in the form of the rubber boot 35.
- a suitable attachment for example in the form of the rubber boot 35.
- an extension be provided on which a further diaphragm 49 is held, for example, with ei ⁇ ner sleeve 50.
- the diaphragm 49 may be formed in conformity with the diaphragm 34. Before ⁇ zugswiese it is separated in the middle to be able to open at an Exp ⁇ losion easily to the body 23 out.
- FIG 14 another embodiment of the invention ⁇ He is illustrated.
- the receiving body 19 is reduced here to a threaded ring 51.
- a tubular extension 52 is seated, which is glued or vulcanized into the threaded ring 51, for example.
- the extension 52 consists for example of a polymer, egg ⁇ nem elastomer or other plastic. He goes o- bergur of the threaded ring 51 in a flange 53 about the ⁇ sen flat annular lower surface on the inside of Wan ⁇ extension 11 of the protective housing 10 comes into abutment without a gap to be sealed there.
- the flange 53 consists of a Ma ⁇ material which has been molded around the periphery 28 of the body 23 around which it is turned ⁇ partially penetrated into the pores of the edge 28th Preferably, it is also in the pores of an outer annular region of the surfaces 26, 27 of the body 33 penetrated ⁇ and thus summarizes this form-fitting under ⁇ education of the pore closure 31. If the relief device 18 thus formed in a protective housing 10 inserted- builds, it works according to the above description.
- the threaded ring 51 is dispensable.
- the thread can be applied externally directly to the extension 52.
- the extension 52 and the flange 53 form the receiving body, which seals the porous body 23, wherein at the edge 28 again the already explained pore closure 31 is given.
- FIG. 15 A further possibility for achieving the Porenver ⁇ circuit 31 at the edge 28 of the body 23 is illustrated in figure 15 °.
- the clamping nut 33 is provided on its body 23 facing the end face with an annular rib 54 which presses when tightening the clamping nut 33 in the outer edge of the surface 26.
- the surface 36 may be provided with a rib 55 which presses when tightening the clamping nut 33 in the surface 27 of the body 23.
- a pressure relief device 18 is provided which comprises a porous body 23. This is provided at its edge with a pore closure 31 to prevent a ⁇ strike a flame at its edge.
- the surrounding component forms the receiving body 19 for the pressure relief device.
- the pore closure is in Ver ⁇ connection to the receiving body 19 a gapless composite.
- the porous unprocessed body 23 may be surrounded at the edge region with a soft metal ring and be pressed for example by a predetermined conical contour ei ⁇ nes receiving body and a pressure ring so that a gapless embedding is achieved by the deformation.
- the deformation can be permanently maintained by resilient elements in order to compensate for thermal expansion of the various materials with temperature fluctuations.
- the receiving body 19 may also be formed, for example, by the wall 11 itself.
- the edge region of the body 23 by coating with materials such as plastic, metal, etc. modified so that the casing together with the receiving body 19 by gluing or potting can form a positive bond that meets the ex-protection ⁇ requirements.
Landscapes
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Gasket Seals (AREA)
- Safety Valves (AREA)
- Portable Nailing Machines And Staplers (AREA)
- Sealing Devices (AREA)
Abstract
Description
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP18211099.9A EP3482799B1 (de) | 2010-05-04 | 2011-05-03 | Druckentlastungsvorrichtung für druckfest gekapselte gehäuse |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102010016782.7A DE102010016782B4 (de) | 2010-05-04 | 2010-05-04 | Druckentlastungsvorrichtung für druckfest gekapselte Gehäuse |
| PCT/EP2011/057054 WO2011138325A1 (de) | 2010-05-04 | 2011-05-03 | Druckentlastungsvorrichtung für druckfest gekapselte gehäuse |
Related Child Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP18211099.9A Division EP3482799B1 (de) | 2010-05-04 | 2011-05-03 | Druckentlastungsvorrichtung für druckfest gekapselte gehäuse |
| EP18211099.9A Division-Into EP3482799B1 (de) | 2010-05-04 | 2011-05-03 | Druckentlastungsvorrichtung für druckfest gekapselte gehäuse |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2566585A1 true EP2566585A1 (de) | 2013-03-13 |
| EP2566585B1 EP2566585B1 (de) | 2022-04-13 |
Family
ID=44262477
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP18211099.9A Active EP3482799B1 (de) | 2010-05-04 | 2011-05-03 | Druckentlastungsvorrichtung für druckfest gekapselte gehäuse |
| EP11718060.4A Active EP2566585B1 (de) | 2010-05-04 | 2011-05-03 | Druckentlastungsvorrichtung mit flammensperre für druckfest gekapselte gehäuse |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP18211099.9A Active EP3482799B1 (de) | 2010-05-04 | 2011-05-03 | Druckentlastungsvorrichtung für druckfest gekapselte gehäuse |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20130206759A1 (de) |
| EP (2) | EP3482799B1 (de) |
| CN (1) | CN103260710B (de) |
| DE (1) | DE102010016782B4 (de) |
| RU (1) | RU2578116C2 (de) |
| WO (1) | WO2011138325A1 (de) |
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| GB201107087D0 (en) * | 2011-04-28 | 2011-06-08 | Airbus Operations Ltd | A flame trap cartridge, flame arrestor, method of preventing flame propagation into a fuel tank and method of operating an aircraft |
| GB2503231B (en) * | 2012-06-19 | 2017-07-12 | Crowcon Detection Instr Ltd | Flameproof barrier |
| US20140182864A1 (en) * | 2012-12-28 | 2014-07-03 | Bret L. de St. Jeor | Ember blocking ventilation device |
| DE102013109261A1 (de) | 2013-08-27 | 2015-03-05 | R.Stahl Schaltgeräte GmbH | Druckentlastungsvorrichtung für druckfest gekapselte Gehäuse mit einem porösen Körper mit Übermaßpassung |
| DE102013109259A1 (de) | 2013-08-27 | 2015-03-05 | R.Stahl Schaltgeräte GmbH | Druckentlastungsvorrichtung für ein explosionsgeschütztes Gehäuse und Verfahren zu deren Herstellung |
| DE102013109260A1 (de) * | 2013-08-27 | 2015-03-05 | R.Stahl Schaltgeräte GmbH | Gehäuseteil für ein explosionsgeschütztes Gehäuse mit einem porösen Körper |
| US10052508B2 (en) | 2013-09-09 | 2018-08-21 | The Boeing Company | Containers for fire containment |
| US10252091B2 (en) | 2013-09-09 | 2019-04-09 | The Boeing Company | Fire-retaining containers |
| US9850000B2 (en) | 2014-02-28 | 2017-12-26 | The Boeing Company | Systems and methods for containing ignition within equipment dry bays |
| US10745144B2 (en) | 2014-02-28 | 2020-08-18 | The Boeing Company | Systems and methods for containing ignition within a battery housing |
| DE102014116149A1 (de) | 2014-11-06 | 2016-05-12 | R. Stahl Schaltgeräte GmbH | Flammenschutzfilter aus einer Anzahl von Schichtenfolgen sowie Anordnungen von Flammenschutzfiltern und deren Verwendung |
| US10512805B2 (en) | 2015-07-21 | 2019-12-24 | The Boeing Company | Ignition-quenching systems, apparatuses, and methods |
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| US20180056100A1 (en) * | 2016-08-31 | 2018-03-01 | Emerson Process Management Regulator Technologies Tulsa, Llc | Method for Manufacturing a Flame Arrestor |
| US9987508B2 (en) | 2016-08-31 | 2018-06-05 | Emerson Process Management Regulator Technologies Tulsa, Llc | Hybrid composite flame cell |
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| DE102017200306A1 (de) * | 2017-01-10 | 2018-07-12 | Continental Automotive Gmbh | Elektronikbaugruppe mit einem Gehäuse und einem Druckausgleichskanal |
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| DE594166C (de) * | 1932-10-22 | 1934-03-12 | Alfons Moellmann | Trockene Gasrueckschlagsicherung |
| FR922213A (fr) * | 1945-12-22 | 1947-06-03 | Intercepteur sec pour postes de soudage oxyacétylénique | |
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| SU1309991A1 (ru) * | 1985-12-30 | 1987-05-15 | Львовский политехнический институт им.Ленинского комсомола | Огнепреградитель |
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| US20120189966A1 (en) * | 2011-01-21 | 2012-07-26 | Brooker Dwight E | Detonation flame arrestor including a transition point/attenuation matrix and torturous path media |
-
2010
- 2010-05-04 DE DE102010016782.7A patent/DE102010016782B4/de not_active Expired - Fee Related
-
2011
- 2011-05-03 RU RU2012151862/12A patent/RU2578116C2/ru active
- 2011-05-03 WO PCT/EP2011/057054 patent/WO2011138325A1/de not_active Ceased
- 2011-05-03 EP EP18211099.9A patent/EP3482799B1/de active Active
- 2011-05-03 US US13/695,221 patent/US20130206759A1/en not_active Abandoned
- 2011-05-03 EP EP11718060.4A patent/EP2566585B1/de active Active
- 2011-05-03 CN CN201180033306.1A patent/CN103260710B/zh active Active
Also Published As
| Publication number | Publication date |
|---|---|
| WO2011138325A1 (de) | 2011-11-10 |
| DE102010016782B4 (de) | 2016-12-08 |
| RU2012151862A (ru) | 2014-06-10 |
| EP3482799A1 (de) | 2019-05-15 |
| CN103260710A (zh) | 2013-08-21 |
| EP3482799B1 (de) | 2024-06-19 |
| DE102010016782A1 (de) | 2011-11-10 |
| US20130206759A1 (en) | 2013-08-15 |
| EP2566585B1 (de) | 2022-04-13 |
| RU2578116C2 (ru) | 2016-03-20 |
| CN103260710B (zh) | 2016-01-20 |
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