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EP2775225A1 - Système comprenant un cadre de support, un élément de filtre pouvant être fixé à l'intérieur et au moins deux dispositifs de fixation - Google Patents

Système comprenant un cadre de support, un élément de filtre pouvant être fixé à l'intérieur et au moins deux dispositifs de fixation Download PDF

Info

Publication number
EP2775225A1
EP2775225A1 EP13157627.4A EP13157627A EP2775225A1 EP 2775225 A1 EP2775225 A1 EP 2775225A1 EP 13157627 A EP13157627 A EP 13157627A EP 2775225 A1 EP2775225 A1 EP 2775225A1
Authority
EP
European Patent Office
Prior art keywords
fixing device
filter element
fixing
holding
holding frame
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
Application number
EP13157627.4A
Other languages
German (de)
English (en)
Other versions
EP2775225B1 (fr
Inventor
Stefan Ripkens
Daniel Leitner
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gebrueder Trox GmbH
Original Assignee
Gebrueder Trox GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Gebrueder Trox GmbH filed Critical Gebrueder Trox GmbH
Priority to ES13157627.4T priority Critical patent/ES2633800T3/es
Priority to DK13157627.4T priority patent/DK2775225T3/en
Priority to PT131576274T priority patent/PT2775225T/pt
Priority to PL13157627T priority patent/PL2775225T3/pl
Priority to EP13157627.4A priority patent/EP2775225B1/fr
Publication of EP2775225A1 publication Critical patent/EP2775225A1/fr
Application granted granted Critical
Publication of EP2775225B1 publication Critical patent/EP2775225B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/20Casings or covers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/28Arrangement or mounting of filters

Definitions

  • the invention relates to a system comprising a holding frame, which consists of interconnected frame parts, a filter element which can be fixed therein and at least two fixing devices, wherein each frame part has at least partially an L-shaped cross section with a bearing limb and with a side limb molded on the outside thereof, wherein the Holding frame is in particular formed circumferentially and wherein the outer contour of the filter element is formed so that the filter element is reversibly insertable into the holding frame and by means of at least two distributed over the circumference of the filter element arranged fixing means relative to the holding frame can be fixed.
  • the holding frame consists of at least two separate frame parts which, for example, are interconnected in the corners, for example by screwing together, is understood by the formulation of interconnected frame parts.
  • the holding frame can also be formed in one piece.
  • the support frame in the corners corresponding angled and the two free ends are interconnected.
  • the fixing means are formed as wire hanger, wherein each wire hanger is pivotally mounted on a frame part and the free end for fixing under a tab, which is arranged on the adjacent frame part is guided.
  • the release thus requires on the one hand a pressing down of the wire bracket and on the other hand a lateral displacement, so far as the assembly and disassembly are complicated. Also, all wire brackets for loosening the filter element must be released from the support frame.
  • the object of the invention is to avoid the aforementioned disadvantages and to provide a system in which the installation and the removal of a filter element is easier.
  • At least one fixing device comprises an elastically formed and / or resiliently mounted fixing element with a contact region, wherein the fixing element from its fixing position in which it fixes the filter element in the holding frame, for inserting the filter element in the holding frame or to remove the filter element from the holding frame against its restoring force in the direction of the adjacent side leg is temporarily displaced and due to its restoring force, a subsequent automatic shift back is given back to its fixing position.
  • the filter element can be designed as desired.
  • the filter element usually has a frame into which a suitable filter material is inserted.
  • the filter element For example, it may also include pocket filters arranged side by side.
  • the holding frame usually has holes in the region of its side legs through which screws or rivets are guided for fixing the holding frame to the inside of a channel.
  • the fixing devices are distributed at least approximately uniformly over the circumference. For example, if it is a quadrangular holding frame, in each case a fixing device can be arranged in the four corners.
  • the filter element When installing the filter element, the filter element only has to be pressed into the holding frame.
  • the fixing elements are against their restoring force to the outside, d. H. shifted in the direction of the adjacent side leg. If the filter element has passed the fixing elements, an automatic displacement of the fixing elements takes place, so that the filter element is held securely by the contact regions of the fixing elements acting on it and a pressing into the holding frame takes place.
  • the dimensions of the fixing elements are chosen so that the filter element can be brought into its fixing position.
  • the contact region may be formed as a line or as a surface.
  • the distance between the plant leg on the one hand and the contact area on the other hand at least in about the thickness, in particular, exactly the thickness of the filter element in correspond to the fixed area of the filter element. This causes a secure fixation of the filter element in the support frame.
  • At least one fixing device can be part of the side leg itself.
  • the fixing device is formed integrally with the side legs.
  • At least one fixing element can be designed as a partial region of the side limb projecting inwards in relation to the general extension of this side limb. Inwardly above, an orientation is understood in which the partial region protrudes into the holding frame and insofar as the fixing element fixes the filter element in the fixing position.
  • the contact region is arranged, for example, at the free end of the fixing element.
  • At least one fixing device may be formed as a separate component which can be fastened to the holding frame, in particular on the inside of at least one side leg.
  • the support frame may for example consist of sheet metal or other suitable material.
  • the fixing device may for example consist of a plastic or of another suitable material.
  • the fixing device can be connected, for example, by gluing to the holding frame. Of course, other connections, such as screw or rivet connection, possible.
  • each tab with the adjacent Area of the side leg forms a, in particular slot-shaped, insertion, and that the fixing device has a number of tabs corresponding number of holding areas.
  • the tab can be viewed unilaterally opened in the insertion or formed closed on both sides.
  • the fixing device must be performed with each holding area only in the corresponding slot-shaped insertion area. This embodiment allows easy replacement of a fixing device, if this is damaged, for example.
  • all tabs of at least one fixing device are arranged on a common frame part of the holding frame.
  • At least one holding region seen in the insertion direction, can be formed protruding laterally over the side edge of the fixing device.
  • two holding regions may be provided, wherein in each case one holding region is arranged on each of the two side edges of the fixing device aligned parallel to the insertion direction.
  • the fixing device is fixed on both sides, which ensures a secure fixation.
  • both holding regions can be formed laterally over the respective side edge.
  • the tabs of at least one fixing device on the corner of each one frame part of two in This corner of adjacent frame parts of the holding frame ie, be arranged on separate, touching frame parts, wherein the one holding portion of the corresponding fixing device in the insertion direction is formed laterally over the side edge of the fixing device and the other holding portion is formed facing forward, so that both Lugs angle, in particular at a right angle, are arranged to each other.
  • the holding area in question points in the mounting position of the fixing device in the direction of the opposite frame part.
  • At least one tab can be arranged on the inside of the side leg.
  • At least one tab is designed as a subregion protruding from the side limb, in particular processed by a bending process.
  • Such a tab can be produced for example by punching and subsequent bending.
  • the fixing device can be brought in its mounting position in a latching connection with the holding frame.
  • the fixing device can have an elastically formed and / or spring-mounted projection on the side facing the side leg, and, on the other hand, a recess corresponding to the projection can be provided either in the side leg or the side leg can have an inwardly directed latching projection. behind the lead locked in the mounting position of the fixing device, have.
  • Such a configuration allows for a simple installation and on the other hand a simple disassembly of a fixing device, if it is damaged, for example.
  • At least one fixing device may have at least one centering projection on its side facing the filter element in the fixing position. This centering projection preferably increases in depth when viewed in the insertion direction, so that the filter element is displaced when it is inserted into the desired fixing position.
  • the filter element is sealed off from the filter element by a seal, in particular by a circumferential seal arranged on the contact leg.
  • a seal By pressing the filter element to a seal applied in the holding frame a gas-tight connection is ensured.
  • the seal may also be provided on the filter element.
  • FIGS. 1 to 5 two different embodiments of a system according to the invention are shown.
  • the system according to the invention comprises a holding frame 1, which is quadrangular in the illustrated embodiment.
  • the holding frame 1 is formed in one piece in the illustrated embodiment.
  • In the four corners of the support frame 1 is angled, so that the support frame 1 has a total of four frame parts 2.
  • the two free ends are connected.
  • Each frame part 2 has an L-shaped cross section with a bearing leg 3 and with a side leg 4 formed on the outside thereof. In the area of the side leg 4, a circumferential seal 5 is provided.
  • a filter element 6 can be used in the holding frame 1, which is installed for example in a non-illustrated channel of a ventilation system and / or in a RLT device.
  • a filter element 6 For mounting the holding frame 1 in a channel or for connection to one another to a channel wall 4 holes 7 are provided in the side legs.
  • the filter element 6 comprises a filter insert.
  • other embodiments of a filter element 6 are possible.
  • the outer contour of the filter element 6 is formed so that the filter element 6 is reversibly inserted into the holding frame 1.
  • a total of four arranged in the four corners fixing 8, as provided in particular in FIG. 4 are shown in detail.
  • each fixing device 8 is formed as a separate component which is reversibly attachable to the support frame 1.
  • a total of two tabs 9 are provided on the inside of the side leg 4 of the holding frame 1 for each fixing device.
  • Each tab forms with the adjacent region of the side leg 4 a slot-shaped insertion region 19.
  • each fixing device 8 The two corresponding tabs 9 of each fixing device 8 are arranged at a distance from each other, facing each other and inwardly aligned. Inwardly directed is understood to mean such an orientation, in which the tabs 9 point in the area spanned by the holding frame 1.
  • the two corresponding tabs 9 are arranged above the corner.
  • one tab 9 is provided on the one frame part 2 and the other tab 9 on the adjacent other frame part 2 of the holding frame 1.
  • each of the two holding portions 12 seen in the insertion direction 10 is inserted into its corresponding tab 5 until the fixing device 8 has reached its mounting position.
  • each tab 9 seen in the insertion direction 10 is formed open on one side.
  • the fixing device 8 On the side leg 4 facing side, the fixing device 8 has an elastically formed projection 13.
  • Each projection 13 is assigned a recess 14 provided in the side limb 4, which corresponds with the associated projection 13 in the mounting position of the fixing device 8.
  • the aligned parallel to the stop leg 3 and arranged closer to the stop leg 3 edge of each recess 14 is formed as an inwardly bent latching projection 14a. Upon reaching the mounting position of the projection 13 engages behind the locking projection 14a.
  • each fixing device 8 has a fixing element 15, which is elastically formed and / or resiliently mounted.
  • the fixing element 15 has a contact region 16.
  • the fixing element 15 can be made of his in Fig. 4 shown fixing position for insertion of the filter element 6 in the holding frame 1 and for removing the filter element. 6 be displaced temporarily from the holding frame 1 against its restoring force in the direction (arrow 17) of the adjacent side leg 4, so that the filter element 6 can be inserted or removed. Due to its restoring force, the fixing element 15 is then automatically moved back again.
  • each fixing element 15 is formed as a contact region 16.
  • the contact region 16 of each fixing device 8 interacts with the top side of the filter element 6.
  • a centering projection 18 is provided on each holding region 12 on the filter element 6 side facing each fixing 8.
  • the support frame 1 has a total of eight centering projections 18 which automatically center the filter element 6 during insertion and hold it in a centered position.
  • Fig. 5 an alternative embodiment of a fixing device 8 is shown.
  • the fixing device 8 is part of the side leg 4 itself.
  • the fixing element 15 is designed as an opposite to the general extent of the side leg 4 inwardly projecting portion of the side leg 4. This subregion can be generated, for example, by punching and subsequent bending.
  • the frame part 2 is made of sheet metal, for example, so that the fixing element 15 embodied as a partial region is elastically resilient.
  • the mode of action is identical as in the fixing device 8 after the FIGS. 1 to 4 ,

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
EP13157627.4A 2013-03-04 2013-03-04 Système comprenant un cadre de support, un élément de filtre pouvant être fixé à l'intérieur et au moins deux dispositifs de fixation Active EP2775225B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
ES13157627.4T ES2633800T3 (es) 2013-03-04 2013-03-04 Sistema que comprende un marco de sujeción, un elemento de filtro que se fija en el mismo así como al menos dos dispositivos de fijación
DK13157627.4T DK2775225T3 (en) 2013-03-04 2013-03-04 SYSTEM INCLUDING A SUPPORT FRAME, A FIXED FILTER ELEMENT AND AT LEAST TWO FIXING DEVICES
PT131576274T PT2775225T (pt) 2013-03-04 2013-03-04 Sistema compreendendo uma armação de fixação, um elemento de filtro fixável nela, assim como pelo menos dois dispositivos de fixação
PL13157627T PL2775225T3 (pl) 2013-03-04 2013-03-04 System zawierający ramę nośną, mocowany w niej element filtracyjny oraz co najmniej dwa urządzenia mocujące
EP13157627.4A EP2775225B1 (fr) 2013-03-04 2013-03-04 Système comprenant un cadre de support, un élément de filtre pouvant être fixé à l'intérieur et au moins deux dispositifs de fixation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP13157627.4A EP2775225B1 (fr) 2013-03-04 2013-03-04 Système comprenant un cadre de support, un élément de filtre pouvant être fixé à l'intérieur et au moins deux dispositifs de fixation

Publications (2)

Publication Number Publication Date
EP2775225A1 true EP2775225A1 (fr) 2014-09-10
EP2775225B1 EP2775225B1 (fr) 2017-04-19

Family

ID=47779967

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13157627.4A Active EP2775225B1 (fr) 2013-03-04 2013-03-04 Système comprenant un cadre de support, un élément de filtre pouvant être fixé à l'intérieur et au moins deux dispositifs de fixation

Country Status (5)

Country Link
EP (1) EP2775225B1 (fr)
DK (1) DK2775225T3 (fr)
ES (1) ES2633800T3 (fr)
PL (1) PL2775225T3 (fr)
PT (1) PT2775225T (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2998010A3 (fr) * 2014-09-19 2016-07-20 TROX GmbH Cadre de filtre destiné à fixer au moins un élément de filtre
CN107621068A (zh) * 2017-08-28 2018-01-23 青岛海尔空调器有限总公司 一种空调滤网卡扣结构

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1289069A (fr) * 1960-05-04 1962-03-30 Fuller Co Agrafe élastique pour la suspension de sacs filtrants
US4518405A (en) * 1983-12-19 1985-05-21 Weber Technical Products, Division Of Craig Systems Corporation Clean room with replaceable filter and a seal cutting mechanism
DE19548197A1 (de) * 1995-12-22 1997-06-26 Freudenberg Carl Fa Verfahren zur Herstellung eines Faltenfiltereinsatzes
DE10235407A1 (de) * 2002-08-02 2004-02-19 Mahle Filtersysteme Gmbh Filter mit einem plattenförmigen Filterelement
US20060137311A1 (en) * 2004-12-29 2006-06-29 3M Innovative Properties Company Filter removal devices
US20100319380A1 (en) * 2009-06-19 2010-12-23 Mitsubishi Electric Corporation Outdoor unit for air conditioner

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1289069A (fr) * 1960-05-04 1962-03-30 Fuller Co Agrafe élastique pour la suspension de sacs filtrants
US4518405A (en) * 1983-12-19 1985-05-21 Weber Technical Products, Division Of Craig Systems Corporation Clean room with replaceable filter and a seal cutting mechanism
DE19548197A1 (de) * 1995-12-22 1997-06-26 Freudenberg Carl Fa Verfahren zur Herstellung eines Faltenfiltereinsatzes
DE10235407A1 (de) * 2002-08-02 2004-02-19 Mahle Filtersysteme Gmbh Filter mit einem plattenförmigen Filterelement
US20060137311A1 (en) * 2004-12-29 2006-06-29 3M Innovative Properties Company Filter removal devices
US20100319380A1 (en) * 2009-06-19 2010-12-23 Mitsubishi Electric Corporation Outdoor unit for air conditioner

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2998010A3 (fr) * 2014-09-19 2016-07-20 TROX GmbH Cadre de filtre destiné à fixer au moins un élément de filtre
CN107621068A (zh) * 2017-08-28 2018-01-23 青岛海尔空调器有限总公司 一种空调滤网卡扣结构

Also Published As

Publication number Publication date
PT2775225T (pt) 2017-07-14
ES2633800T3 (es) 2017-09-25
DK2775225T3 (en) 2017-07-31
EP2775225B1 (fr) 2017-04-19
PL2775225T3 (pl) 2017-10-31

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