EP0531698B1 - Schalldämpferkulisse - Google Patents
Schalldämpferkulisse Download PDFInfo
- Publication number
- EP0531698B1 EP0531698B1 EP19920113051 EP92113051A EP0531698B1 EP 0531698 B1 EP0531698 B1 EP 0531698B1 EP 19920113051 EP19920113051 EP 19920113051 EP 92113051 A EP92113051 A EP 92113051A EP 0531698 B1 EP0531698 B1 EP 0531698B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- frame
- sound
- another
- limbs
- perforated metal
- 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
Images
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
Definitions
- the invention relates to a silencer backdrop a frame and with this arranged between perforated sheets Soundproofing material.
- Silencers are used, for example, to reduce noise built into a flow channel. They exist in known designs from a U-shaped profile manufactured sheet metal frame, in the sound absorption material such as. Mineral fiber boards inserted , whereupon perforated sheets are riveted to both sides of the frame or be spot welded (see, for example, document US-A-4 258 511). These types of fastenings are very labor intensive. At the Welding must be treated after all welding points to counter the risk of corrosion. This Protective measures contribute in particular to making the Manufacturing at. On the other hand, it is for example Exhaust silencers made of austenitic material because of the moisture sensitivity of the Mineral fiber filling not possible, the welds too pickle. Furthermore, it is like in certain applications used for example for the intake air of gas turbines Soundproofing devices not permitted, Rivets for the assembly of the silencing device to use. So there are very different ones Reasons to use the previously known manufacturing methods replace.
- the present invention was therefore the object to create a silencer backdrop that is assemble quickly and with little effort leaves.
- the task also existed in the soundproofing material without the use of Riveted or welded connections between perforated sheets to include all the risks mentioned above such as corrosion, etc., also excluding this inclusion of the damping material between Perforated sheets without much time and in the simplest Way should be feasible.
- the silencer backdrop is a frame from frame parts that are U-shaped in cross section, can make individual cassettes from each between two Perforated sheets arranged soundproofing material between the legs of the frame parts are used, with a in one place cut thigh Frame part is used to insert the cassettes, the then held in the frame without additional fasteners are.
- cassettes intended for insertion in the frame two perforated sheets and one arranged between them Soundproofing material and these are cassettes units manufactured without riveted or welded connections, their components due to the connections Folds can be assembled in a few simple steps.
- cassettes after the Modular principle of different sized silencers to be able to produce, for each of its frames only different according to the desired size long frame parts assembled into a frame Need to become.
- FIG. 1 has a frame 1 on the four cross-sectionally U-shaped frame parts 2, 3, 4 and 5, which results in a rectangular shape Frames are composed.
- everyone in the Cross-section U-shaped frame parts has two legs on that in a front and in a rear Frame level. Between the front legs 2a, 3a, 4a and 5a and those in the rear plane Legs, of which only leg 5b in FIG. 1 visible, are stacked in the frame 1 Cassettes 6 held, said legs all frame parts lie against the cassettes all around, so this without the use of other fasteners are held.
- a cutout 7 have at least as long as the height of a Cassette 6, and its upper limit in one Distance from the upper end of the frame part 5 accordingly the height of a cassette.
- Fig. 1 on the can be seen on the right side, then all Cassettes 6 through this leg cutout 7 in the Thread frame 1 by first pulling the cassette a little slanted and then through the cutout 7 in the Frame level is pivoted. 1 is shown in FIG on the right side the penultimate cassette 6 upwards then pushed the last cassette in place of the Use section 7. With this procedure are then all cassettes 6 between the legs of the frame parts held. Only section 7 has to be at the end be closed, for which purpose a flat bar 8 serves, which is slightly bent at both ends, so that these ends engage behind the cut leg 5b.
- each cassette 6 consists of two opposite Perforated sheets 10 and 11, each on two Edges are angled so that they are U-shaped Have cross-section.
- the perforated plate 10 has the two U-legs 10a and 10b and the perforated plate 11, the two U-legs 11a and 11b.
- the two perforated plates 10 and 11 are so parallel to each other that the respective U-legs are facing each other.
- To each other facing thigh edges are longitudinal folds 12 and 13 educated.
- a connecting plate 14 also has opposite edges longitudinal folds 15 and 16.
- a cassette 6 is assembled in the manner that first the soundproofing material, for example be inserted in the form of mineral fiber plates 17 and then the connection of the perforated plates 10 and 11 by insertion several connecting plates 14 takes place, the Longitudinal folds 12 to 16 due to the compressed sound absorbing material are pressed together.
- the connecting plate can take the form of a relatively short one Connection bracket 14 have the necessary to achieve the Stability is sufficient, as can be seen from FIG. 2 above, or the connecting plate is the same length as that angled perforated plates 10 and 11 and then between adjacent cassettes a partition 18, the usually at a distance of 0.5 m in relation to the height the silencer backdrop is provided. 4 is a continuous one above a short connecting plate 14 Partition plate 18 shown. The assembly the cassettes 6 happens without the use of rivets or Welded joints and can be quickly with perform in a few simple steps.
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Exhaust Silencers (AREA)
Description
- Fig. 1
- eine schaubildliche Darstellung von zwei zusammengekuppelten Schalldämpferkulissen;
- Fig. 2
- einen schaubildlich und abgebrochen dargestellten Abschnitt der Schalldämpferkulisse;
- Fig. 3
- eine Seitenansicht der Schalldämpferkulisse schematisch;
- Fig. 4
- einen Querschnitt durch die Schalldämpferkulisse gemäss Linie 3-3 in Fig. 3 im grösseren Massstab.
Claims (5)
- Schalldämpferkulisse mit einem Rahmen und mit in diesem zwischen Lochblechen angeordnetem Schalldämpfungsmaterial, dadurch gekennzeichnet, dass der Rahmen (1) aus U-Profil-Rahmenteilen (2, 3, 4, 5) besteht, die zwischen den einander gegenüberliegenden Schenkeln (2a, 2b, 3a, 3b, 4a, 4b, 5a, 5b) jeder der Rahmenteile eine Mehrzahl von den Rahmen aufeinandergesetzt ausfüllenden quaderförmigen Kassetten (6) halten, die jeweils zwischen zwei Lochblechen (10, 11) angeordnetes Schalldämpfungsmaterial (17) enthalten und dass ein Rahmenteil (5) an seinem einen Schenkel (5b) in einem mindestens der Höhe einer Kassette (6) entsprechenden Abstand vom Rahmenteilende einen mit der Höhe einer Kassette mindestens gleich langen Ausschnitt (7) aufweist, um alle Kassetten durch Einfädeln am Ausschnitt bezüglich desselben nach unten und oben in den Rahmen (1) einsetzen zu können, und dass der Ausschnitt (7) nach Einsetzen der letzten Kassette durch einen flachstabförmigen und am Rahmenteil (5b) arretierbaren Riegel (8) verschliessbar ist.
- Schalldämpferkulisse nach Anspruch 1, dadurch gekennzeichnet, dass der flachstabförmige Riegel (8) beiderends zum Hintergreifen der Ausschnittränder (5b) abgekröpft ist.
- Schalldämpferkulisse nach Anspruch 1 mit einer Kassette, wobei jeweils zwei durch Abwinkelung von zwei Rändern U-förmig ausgebildete und mit den U-Schenkeln (10a, 10b, 11a, 11b) einander zugewandt gegenüberstehende Lochbleche (10, 11) an den sich jeweils gegenüberliegenden Schenkelrändern (10a, 11a, 10b, 11b) Längsfalze (12, 13) aufweisen, und durch je ein ebenfalls an zwei Rändern Längsfalze (15,16) aufweisendes Verbindungsblech (14, 18) durch Ineinandergreifen der Längsfalze (12, 15, 13, 16) miteinander verbunden sind, um durch formschlüssige Verbindung ein stabiles Gehäuse für das darin angeordnete Schalldämpfungsmaterial (17) zu bilden.
- Schalldämpferkulisse nach Anspruch 3, dadurch gekennzeichnet, dass das Verbindungsblech (14, 18) eine mit dem Lochblech (10, 11) gleich lange Abschottung (18) gegen eine benachbarte Kassette bildet oder einen nur über einen Teilbereich der Lochblechlänge sich erstreckenden Verbindungsbügel (14) bildet.
- Schalldämpferkulisse nach Anspruch 3, dadurch gekennzeichnet, dass eine Mehrzahl von Kassetten (6) aufeinandergesetzt jeweils mit den U-Schenkeln (10a, 10b, 11a, 11b) der Lochbleche (10, 11) aufeinandersetzbar sind.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH693/91 | 1991-09-12 | ||
CH269391 | 1991-09-12 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0531698A2 EP0531698A2 (de) | 1993-03-17 |
EP0531698A3 EP0531698A3 (en) | 1993-06-16 |
EP0531698B1 true EP0531698B1 (de) | 1998-09-02 |
Family
ID=4239457
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19920113051 Expired - Lifetime EP0531698B1 (de) | 1991-09-12 | 1992-07-31 | Schalldämpferkulisse |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0531698B1 (de) |
DE (1) | DE59209481D1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102009034463A1 (de) | 2009-07-22 | 2011-02-03 | Filtro Klimatechnik Gmbh | Schalldämpfungskörper |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4194329A (en) * | 1976-01-20 | 1980-03-25 | Wendt Alan C | Sound absorbing panels |
US4258511A (en) * | 1979-03-29 | 1981-03-31 | Strain William E | Industrial noise abatement enclosure |
DE3024037A1 (de) * | 1979-08-02 | 1981-02-19 | Luwa Ag | Gehaeuse fuer klima- und lueftungsgeraete |
DE3605684C2 (de) * | 1986-02-21 | 1996-11-21 | Wrede & Niedecken Verwaltung | Absorptionsschalldämpferkulisse |
-
1992
- 1992-07-31 EP EP19920113051 patent/EP0531698B1/de not_active Expired - Lifetime
- 1992-07-31 DE DE59209481T patent/DE59209481D1/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0531698A3 (en) | 1993-06-16 |
EP0531698A2 (de) | 1993-03-17 |
DE59209481D1 (de) | 1998-10-08 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE2356289C2 (de) | Laschenkette für Kegelscheibengetriebe | |
DE3228953C2 (de) | Heizkessel für flüssigen oder gasförmigen Brennstoff | |
DE2719983A1 (de) | Gasfilterelement | |
DE2419183C3 (de) | Verfahren zur Herstellung eines Luftkastens mit mindestens einer Ruckschlagklappe | |
AT501686B1 (de) | Vorrichtung zur durchführung von kabeln, rohren u.dgl. durch wände, schächte u.dgl. hindurch | |
EP0531698B1 (de) | Schalldämpferkulisse | |
EP0143150B1 (de) | Flanschverbindung | |
CH624797A5 (de) | ||
DE68904257T2 (de) | Stuetzrahmen fuer filterelemente. | |
DE102009031325A1 (de) | Filterwand für raumlufttechnische Anlagen in Gebäuden | |
DE1961701C3 (de) | Wetterfestes Lufteinlaßgitter | |
DE10014603A1 (de) | Stabilisierungsstrebe, insbesondere für ein Fahrwerk eines Fahrzeugs | |
DE2022294A1 (de) | Verbindungselement | |
DE1509333C (de) | Eckverbindung für Metallrahmen von Fenstern, Türen od. dgl | |
DE639718C (de) | Metalltuer fuer Schienen- und Kraftfahrzeuge | |
DE1509333B1 (de) | Eckverbindung fuer Metallrahmen von Fenstern,Tueren od.dgl. | |
DE1409287C (de) | Feststehender Rahmen | |
DE3135090C2 (de) | Kettenförderer | |
EP0597180A1 (de) | Luftschalldämpfer | |
WO2001002078A1 (de) | Taschenfilter mit filtervlies | |
CH584317A5 (en) | Open structure for wall or ceiling - consists of parallel beams connected with diagonal members with bolting flanges | |
DE2752033A1 (de) | Metalltuer, insbesondere feuerschutztuer | |
DE8120011U1 (de) | Flansch zur verbindung von kanalteilstuecken aus blech | |
DE1654321C (de) | Bettrahmen mit eingebautem Federteil | |
DE10323667A1 (de) | Verteilerschrank |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): CH DE GB LI NL |
|
PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
|
AK | Designated contracting states |
Kind code of ref document: A3 Designated state(s): CH DE GB LI NL |
|
17P | Request for examination filed |
Effective date: 19931210 |
|
17Q | First examination report despatched |
Effective date: 19961204 |
|
GRAG | Despatch of communication of intention to grant |
Free format text: ORIGINAL CODE: EPIDOS AGRA |
|
GRAG | Despatch of communication of intention to grant |
Free format text: ORIGINAL CODE: EPIDOS AGRA |
|
GRAH | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOS IGRA |
|
GRAH | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOS IGRA |
|
GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): CH DE GB LI NL |
|
REG | Reference to a national code |
Ref country code: CH Ref legal event code: NV Representative=s name: PATENTANWAELTE SCHAAD, BALASS, MENZL & PARTNER AG Ref country code: CH Ref legal event code: EP |
|
REF | Corresponds to: |
Ref document number: 59209481 Country of ref document: DE Date of ref document: 19981008 |
|
GBT | Gb: translation of ep patent filed (gb section 77(6)(a)/1977) |
Effective date: 19981022 |
|
PLBE | No opposition filed within time limit |
Free format text: ORIGINAL CODE: 0009261 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT |
|
26N | No opposition filed | ||
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: GB Payment date: 20010614 Year of fee payment: 10 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: CH Payment date: 20010618 Year of fee payment: 10 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: DE Payment date: 20010713 Year of fee payment: 10 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: NL Payment date: 20010717 Year of fee payment: 10 |
|
REG | Reference to a national code |
Ref country code: GB Ref legal event code: IF02 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: LI Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20020731 Ref country code: GB Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20020731 Ref country code: CH Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20020731 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: NL Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20030201 Ref country code: DE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20030201 |
|
REG | Reference to a national code |
Ref country code: CH Ref legal event code: PL |
|
GBPC | Gb: european patent ceased through non-payment of renewal fee |
Effective date: 20020731 |
|
NLV4 | Nl: lapsed or anulled due to non-payment of the annual fee |
Effective date: 20030201 |