DE19814953A1 - Lightweight ventilation flap for heating or air conditioning system of motor vehicle - Google Patents

Lightweight ventilation flap for heating or air conditioning system of motor vehicle

Info

Publication number
DE19814953A1
DE19814953A1 DE1998114953 DE19814953A DE19814953A1 DE 19814953 A1 DE19814953 A1 DE 19814953A1 DE 1998114953 DE1998114953 DE 1998114953 DE 19814953 A DE19814953 A DE 19814953A DE 19814953 A1 DE19814953 A1 DE 19814953A1
Authority
DE
Germany
Prior art keywords
foam
air flap
air
support structure
ribs
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.)
Withdrawn
Application number
DE1998114953
Other languages
German (de)
Inventor
Michael Komowski
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.)
Mahle Behr GmbH and Co KG
Original Assignee
Behr GmbH and Co KG
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 Behr GmbH and Co KG filed Critical Behr GmbH and Co KG
Priority to DE1998114953 priority Critical patent/DE19814953A1/en
Publication of DE19814953A1 publication Critical patent/DE19814953A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
    • B60H1/00664—Construction or arrangement of damper doors
    • B60H1/00671—Damper doors moved by rotation; Grilles
    • B60H1/00678—Damper doors moved by rotation; Grilles the axis of rotation being in the door plane, e.g. butterfly doors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
    • B60H1/00664—Construction or arrangement of damper doors
    • B60H2001/007—Manufacturing or assembling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
    • F24F13/1486—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by bearings, pivots or hinges

Abstract

The flap is formed from foamed material mounted on a carrier frame. The frame is formed from stays linked to one another by cross ribs and the complete frame is sprayed with the foam producing material.

Description

Die Erfindung betrifft eine Luftklappe für eine Lüftungs-, Heizungs- oder Kli­ maanlage eines Kraftfahrzeuges gemäß dem Oberbegriff des Anspruchs 1.The invention relates to an air damper for a ventilation, heating or Kli Measurement system of a motor vehicle according to the preamble of claim 1.

Aus der DE 44 14 483 ist eine gattungsgemäße Luftklappe bekannt, die eine formstabile Trägerstruktur in Form einer Platte aufweist, auf die ein schaumartiges Material aufgeklebt oder aufgeschweißt ist. Die Platte weist Durchbrechungen auf, damit der auf beiden Seiten der Platte aufgebrachte Schaumstoff miteinander verbunden werden kann. Durch die Durchbrechun­ gen ist das Gewicht der Luftklappe reduziert.From DE 44 14 483 a generic air damper is known, the one Dimensionally stable support structure in the form of a plate on which foam-like material is glued or welded on. The plate points Perforations so that the applied on both sides of the plate Foam can be joined together. Through the breakthrough the weight of the air flap is reduced.

Ausgehend von diesem Stand der Technik ist es Aufgabe der Erfindung, eine verbesserte Luftklappe bereitzustellen, die insbesondere ein geringeres Gewicht hat und dennoch eine ausreichende Festigkeit und Formstabilität aufweist.Starting from this prior art, it is the object of the invention to provide an improved air damper, in particular a smaller one Has weight and yet sufficient strength and dimensional stability having.

Diese Aufgabe wird gelöst durch eine Luftklappe mit den Merkmalen des Anspruchs 1.This task is solved by an air damper with the characteristics of Claim 1.

Erfindungsgemäß besteht die Trägerstruktur als aus über Stege miteinander verbundenen Rippen, wobei die Trägerstruktur von dem schaumartigen Ma­ terial vollständig umspritzt ist und die größte Breitenausdehnung der einzel­ nen Rippen und Stege senkrecht zur Längserstreckung der Luftklappe ver­ läuft. Dadurch ist die Trägerstruktur auf minimalstes Gewicht reduziert, so daß die Luftklappe ein entsprechend geringes Gewicht aufweist. Da die größte Breitenausdehnung der einzelnen Rippen und Stege senkrecht zur Längserstreckung der Luftklappe verläuft, so daß die Stege und Rippen in der Ebene der Luftklappe gesehen quasi hochkant stehend ausgebildet sind, sind die zwischen den Stegen und Rippen gebildeten Öffnungen der Trä­ gerstruktur maximal groß, so daß das um die Trägerstruktur umspritzte, schaumartige Material fest mit der Trägerstruktur verbunden ist. Da die Trä­ gerstruktur nicht aus einer Platte, sondern aus einzelnen hochkant angeord­ neten Stegen und Rippen besteht, kann der erfindungsgemäßen Luftklappe in vorteilhafterweise eine dreidimensionale Struktur gegeben werden, die derart ausgebildet sein kann, daß die Luftklappe eine aerodynamische Form erhält, so daß Geräusche, die bei der Umlenkung von Luft an der Luftklappe auftreten, reduziert sind.According to the invention, the carrier structure consists of one another via webs connected ribs, the support structure of the foam-like Ma  material is completely overmoulded and the largest width extension of the individual Ver ribs and webs perpendicular to the longitudinal extension of the air flap running. As a result, the support structure is reduced to a minimum weight, so that the air flap has a correspondingly low weight. Since the greatest width of the individual ribs and webs perpendicular to Longitudinal extension of the air flap runs so that the webs and ribs in seen from the level of the air flap are standing upright, are the openings of the Trä formed between the webs and ribs maximum structure, so that the extrusion-coated around the support structure foam-like material is firmly connected to the support structure. Since the Trä The frame structure is not made from a single plate, but from individual upright arrangements Neten webs and ribs, the air damper according to the invention advantageously be given a three-dimensional structure that can be designed such that the air flap has an aerodynamic shape receives so that noises when the air is deflected at the air flap occur are reduced.

Insgesamt ist damit eine geräuscharme, aerodynamische, feste und form­ stabile Luftklappe mit einem minimalen Gewicht erhalten.Overall, this is a low-noise, aerodynamic, firm and form stable air flap with a minimal weight.

Vorteilhafterweise ist die Luftklappe in einem einzigen Zweikomponenten- Spritzgußverfahren herstellbar, wobei in einer ersten Stufe die Trägerstruk­ tur, vorzugsweise aus Polypropylen und in einer zweiten Stufe das schaumartige Material, vorzugsweise ein Partikelschaumstoff wie Polystyrol oder expandiertes Polypropylen (EPP), gespritzt wird.The air flap is advantageously in a single two-component Injection molding process can be produced, the support structure in a first stage structure, preferably made of polypropylene and in a second stage foam-like material, preferably a particle foam such as polystyrene or expanded polypropylene (EPP).

Im folgenden wird die Erfindung anhand eines Ausführungsbeispiels unter Bezugnahme auf die Zeichnung im einzelnen erläutert.The invention is described below using an exemplary embodiment Reference to the drawing explained in detail.

In der Zeichnung zeigen:The drawing shows:

Fig. 1 eine Trägerstruktur einer erfindungsgemäßen Luftklappe; Fig. 1 is a support structure of a damper according to the invention;

Fig. 2 die erfindungsgemäße Luftklappe, bei der die Trägerstruktur mit einem schaumartigen Material umspritzt ist; Fig. 2, the air damper according to the invention, in which the support structure is encapsulated with a foam-like material;

Fig. 3 einen Querschnitt entlang der Linie III-III aus Fig. 2. Fig. 3 is a cross section along the line III-III in FIG. 2.

Eine in der Zeichnung dargestellte Luftklappe 10 weist eine Trägerstruktur 12 auf, die von einem schaumartigen Material 14, vorzugsweise ein Partikel­ schaumstoff, wie Polystyrol oder vorzugsweise expandiertes Polypropylen (EPP), umspritzt ist. Die Trägerstruktur 12 besteht aus über Stege 16 mit­ einander verbundenen Rippen 18, wobei die Stege 16 und die Rippen 18 bevorzugt in einem rechten Winkel zueinander angeordnet sind. Die Rippen 18 und Stege 16 erstrecken sich in Längsrichtung x und y der Luftklappe, wobei ihre größte Breitenausdehnung - in Fig. 1 ist dies die Höhe h - sich senkrecht zur Längserstreckung x oder y der Luftklappe erstreckt. Die Stege 16 und Rippen 18 sind in der Darstellung der Fig. 1 quasi hochkant stehend jeweils parallel zueinander angeordnet. An den äußeren Rippen 18 sind An­ satzstücke 20 angeordnet, an die eine Betätigungswelle zum Verstellen oder Verschwenken der Luftklappe 10 ansetzbar oder aufsteckbar ist.An air flap 10 shown in the drawing has a support structure 12 which is encapsulated by a foam-like material 14 , preferably a particle foam, such as polystyrene or preferably expanded polypropylene (EPP). The carrier structure 12 consists of ribs 18 connected to one another via webs 16 , the webs 16 and the ribs 18 preferably being arranged at a right angle to one another. The ribs 18 and webs 16 extend in the longitudinal direction x and y of the air flap, their greatest width - in FIG. 1 this being the height h - extending perpendicular to the longitudinal extension x or y of the air flap. In the illustration in FIG. 1, the webs 16 and ribs 18 are arranged in an upright manner, in each case parallel to one another. On the outer ribs 18 are arranged on pieces 20 to which an actuating shaft for adjusting or pivoting the air flap 10 can be attached or plugged.

Die Trägerstruktur 12 besteht aus einem Kunststoff, bevorzugt Polypropylen und ist in einem Spritzgußverfahren hergestellt. Bei dem Spritzgußverfahren handelt es sich bevorzugt um ein Zweikomponenten-Spritzgußverfahren, bei dem im ersten Schritt die Trägerstruktur 12 und in einem zweiten Schritt das schaumartige Material 14 auf die Trägerstruktur 12 aufgespritzt wird. Das auf die Trägerstruktur 12 aufgespritzte schaumartige Material 14 umgibt die Trägerstruktur 12 vollständig und gibt der Luftklappe 10 die äußere Form, wie sie in Fig. 2 dargestellt ist. Die in Fig. 2 dargestellte Luftklappe hat in x-Rich­ tung eine aerodynamische Form, wobei die in Fig. 1 dargestellte ent­ sprechende Trägerstruktur 12 nach Art der Verrippung eines Flugzeugflü­ gels ausgebildet ist.The carrier structure 12 consists of a plastic, preferably polypropylene, and is produced in an injection molding process. In the injection molding method is preferably a two-component injection molding process, in which the support structure 12 and is sprayed in a second step, the foam-like material 14 to the support structure 12 in the first step. The sprayed onto the support structure 12 foam-like material 14 surrounds the support structure 12 and are completely the air flap 10, the outer shape, as shown in Fig. 2. The air flap shown in FIG. 2 has an aerodynamic shape in the x-direction, the corresponding support structure 12 shown in FIG. 1 being designed in the manner of the ribbing of an aircraft wing.

Claims (4)

1. Luftklappe für eine Lüftungs-, Heizungs- oder Klimaanlage eines Kraftfahrzeuges mit einer Trägerstruktur (12) aus formstabilem Mate­ rial, auf die ein der Luftklappe die Form gebendes, schaumartiges Material (14) aufgeformt ist, dadurch gekennzeichnet, daß die Trä­ gerstruktur (12) als aus über Stege (16) miteinander verbundenen Rippen (18) besteht und die Trägerstruktur (12) von dem schaumarti­ gen Material (14) vollständig umspritzt ist und daß die größte Breiten­ ausdehnung der einzelnen Rippen (18) und Stege (16) senkrecht zu einer Längserstreckung (x- oder y-Richtung) der Luftklappe (10) ver­ läuft.1. Air flap for a ventilation, heating or air conditioning system of a motor vehicle with a support structure ( 12 ) made of dimensionally stable material, onto which an air flap giving the shape, foam-like material ( 14 ) is molded, characterized in that the carrier structure ( 12 ) as consisting of ribs ( 18 ) connected to one another by webs ( 16 ) and the support structure ( 12 ) being completely encapsulated by the foam-like material ( 14 ) and that the greatest width extension of the individual ribs ( 18 ) and webs ( 16 ) perpendicular to a longitudinal extension (x or y direction) of the air flap ( 10 ) runs ver. 2. Luftklappe nach Anspruch 1, dadurch gekennzeichnet, daß das schaumartige Material ein Partikelschaumstoff, wie Polystyrol, ex­ pandiertes Polypropylen (EPP) oder dergleichen, ist.2. Air flap according to claim 1, characterized in that the foam-like material a particle foam, such as polystyrene, ex panded polypropylene (EPP) or the like. 3. Luftklappe nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Trägerstruktur (12) aus Polypropylen besteht.3. Air flap according to claim 1 or 2, characterized in that the carrier structure ( 12 ) consists of polypropylene. 4. Luftklappe nach einem der vorhergehenden Ansprüche, dadurch ge­ kennzeichnet, daß die Trägerstruktur (12) und das schaumartige Material (14) in einem einzigen Zweikomponenten-Spritzgußverfahren hergestellt sind.4. Air valve according to one of the preceding claims, characterized in that the carrier structure ( 12 ) and the foam-like material ( 14 ) are produced in a single two-component injection molding process.
DE1998114953 1998-04-03 1998-04-03 Lightweight ventilation flap for heating or air conditioning system of motor vehicle Withdrawn DE19814953A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE1998114953 DE19814953A1 (en) 1998-04-03 1998-04-03 Lightweight ventilation flap for heating or air conditioning system of motor vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1998114953 DE19814953A1 (en) 1998-04-03 1998-04-03 Lightweight ventilation flap for heating or air conditioning system of motor vehicle

Publications (1)

Publication Number Publication Date
DE19814953A1 true DE19814953A1 (en) 1999-10-07

Family

ID=7863477

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1998114953 Withdrawn DE19814953A1 (en) 1998-04-03 1998-04-03 Lightweight ventilation flap for heating or air conditioning system of motor vehicle

Country Status (1)

Country Link
DE (1) DE19814953A1 (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005051690A1 (en) * 2003-10-27 2005-06-09 Behr Gmbh & Co. Kg Flap, particularly for a motor vehicle ventilation system
DE10361108A1 (en) * 2003-12-22 2005-07-21 Behr Gmbh & Co. Kg Device for regulating the amount of air, in particular for a motor vehicle air conditioning system
EP1630486A3 (en) * 2004-08-27 2006-11-02 Delphi Technologies Inc. Flap valve arrangement
DE102006033786A1 (en) * 2006-07-19 2008-04-10 Behr Gmbh & Co. Kg Production of control flaps for car heaters comprises injection molding tubular preform which is then heated and blow-molded to produce flap
EP2106938A1 (en) 2008-04-03 2009-10-07 Behr France Rouffach SAS Vent flap for a ventilation, heating and air conditioning system of a vehicle
DE102013216250A1 (en) * 2013-08-15 2015-02-19 Behr Gmbh & Co. Kg Flap for an air duct and a method of manufacturing the flap
DE102018202169A1 (en) 2018-02-13 2019-08-14 Mahle International Gmbh Air damper and method of manufacturing the damper
FR3086889A1 (en) * 2018-10-05 2020-04-10 Faurecia Interieur Industrie SHUTTER FOR AERATION DEVICE AND CORRESPONDING AERATION DEVICE

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3270103A (en) * 1962-03-31 1966-08-30 Basf Ag Production of shockproof expanded plastic sheets
DE1729056A1 (en) * 1966-03-03 1972-02-24 Technigaz Cladding element and its manufacturing process and its applications
US3753549A (en) * 1972-12-11 1973-08-21 Arco Ind Corp Flow control device and method and apparatus for making same
US3804366A (en) * 1972-06-05 1974-04-16 Arco Ind Corp Composite flow control device
US4463931A (en) * 1981-09-08 1984-08-07 Plastomer Corporation Damper device and method of forming
DE3720371A1 (en) * 1987-06-19 1989-01-05 Messerschmitt Boelkow Blohm Lightweight composite panel and process for the production thereof
DE3832988A1 (en) * 1988-09-29 1990-04-05 Audi Ag Housing for a heating or air-conditioning system of a motor vehicle
DE3836541A1 (en) * 1988-10-27 1990-05-03 Irbit Research & Consulting Ag Damper for ventilation ducts
DE4414483A1 (en) * 1993-04-23 1994-10-27 Valeo Thermique Habitacle Vehicle heating system flap
DE4422537A1 (en) * 1994-06-28 1996-01-04 Behr Gmbh & Co Air intake channel air flap
US5520532A (en) * 1994-08-01 1996-05-28 United Technologies Corporation Molding assembly for forming airfoil structures
DE19513670A1 (en) * 1995-04-11 1996-10-17 Behr Gmbh & Co Flap for an air duct

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3270103A (en) * 1962-03-31 1966-08-30 Basf Ag Production of shockproof expanded plastic sheets
DE1729056A1 (en) * 1966-03-03 1972-02-24 Technigaz Cladding element and its manufacturing process and its applications
US3804366A (en) * 1972-06-05 1974-04-16 Arco Ind Corp Composite flow control device
US3753549A (en) * 1972-12-11 1973-08-21 Arco Ind Corp Flow control device and method and apparatus for making same
US4463931A (en) * 1981-09-08 1984-08-07 Plastomer Corporation Damper device and method of forming
DE3720371A1 (en) * 1987-06-19 1989-01-05 Messerschmitt Boelkow Blohm Lightweight composite panel and process for the production thereof
DE3832988A1 (en) * 1988-09-29 1990-04-05 Audi Ag Housing for a heating or air-conditioning system of a motor vehicle
DE3836541A1 (en) * 1988-10-27 1990-05-03 Irbit Research & Consulting Ag Damper for ventilation ducts
DE4414483A1 (en) * 1993-04-23 1994-10-27 Valeo Thermique Habitacle Vehicle heating system flap
DE4422537A1 (en) * 1994-06-28 1996-01-04 Behr Gmbh & Co Air intake channel air flap
US5520532A (en) * 1994-08-01 1996-05-28 United Technologies Corporation Molding assembly for forming airfoil structures
DE19513670A1 (en) * 1995-04-11 1996-10-17 Behr Gmbh & Co Flap for an air duct

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
JP 07233875 A.,In: Patent Abstracts of Japan *

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005051690A1 (en) * 2003-10-27 2005-06-09 Behr Gmbh & Co. Kg Flap, particularly for a motor vehicle ventilation system
DE10361108A1 (en) * 2003-12-22 2005-07-21 Behr Gmbh & Co. Kg Device for regulating the amount of air, in particular for a motor vehicle air conditioning system
EP1630486A3 (en) * 2004-08-27 2006-11-02 Delphi Technologies Inc. Flap valve arrangement
DE102006033786A1 (en) * 2006-07-19 2008-04-10 Behr Gmbh & Co. Kg Production of control flaps for car heaters comprises injection molding tubular preform which is then heated and blow-molded to produce flap
EP2106938A1 (en) 2008-04-03 2009-10-07 Behr France Rouffach SAS Vent flap for a ventilation, heating and air conditioning system of a vehicle
DE102013216250A1 (en) * 2013-08-15 2015-02-19 Behr Gmbh & Co. Kg Flap for an air duct and a method of manufacturing the flap
DE102018202169A1 (en) 2018-02-13 2019-08-14 Mahle International Gmbh Air damper and method of manufacturing the damper
FR3086889A1 (en) * 2018-10-05 2020-04-10 Faurecia Interieur Industrie SHUTTER FOR AERATION DEVICE AND CORRESPONDING AERATION DEVICE

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