EP0377878A1 - Fassadenaufbau von Hochbauten in wärmedämmender Ausbildung und Verfahren zur Herstellung einer Wärmedämmung - Google Patents

Fassadenaufbau von Hochbauten in wärmedämmender Ausbildung und Verfahren zur Herstellung einer Wärmedämmung Download PDF

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Publication number
EP0377878A1
EP0377878A1 EP89123646A EP89123646A EP0377878A1 EP 0377878 A1 EP0377878 A1 EP 0377878A1 EP 89123646 A EP89123646 A EP 89123646A EP 89123646 A EP89123646 A EP 89123646A EP 0377878 A1 EP0377878 A1 EP 0377878A1
Authority
EP
European Patent Office
Prior art keywords
facade
structure according
insulation layer
facade structure
electromagnetic waves
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Withdrawn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
EP89123646A
Other languages
German (de)
English (en)
French (fr)
Inventor
Joachim Bettermann
Dirk Bringmann
Andreas Dr. Frye
Jürgen Kruse
Julius Weyand
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.)
Airbus Defence and Space GmbH
Original Assignee
Deutsche Aerospace AG
Messerschmitt Bolkow Blohm AG
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 Deutsche Aerospace AG, Messerschmitt Bolkow Blohm AG filed Critical Deutsche Aerospace AG
Publication of EP0377878A1 publication Critical patent/EP0377878A1/de
Withdrawn legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q17/00Devices for absorbing waves radiated from an antenna; Combinations of such devices with active antenna elements or systems
    • H01Q17/004Devices for absorbing waves radiated from an antenna; Combinations of such devices with active antenna elements or systems using non-directional dissipative particles, e.g. ferrite powders

Definitions

  • the invention relates to a facade structure of buildings, such as buildings, in particular in a heat-insulating design, the facade outside being formed by a cover and a heat insulation layer being arranged between the building wall and cover, and to the production of thermal insulation.
  • the object of the invention is to provide a facade structure of the generic type and a method for producing thermal insulation, wherein reflection damping or absorption of the occurring electromagnetic waves is made possible in a simple manner and thus an impairment of directional radio links and ASR systems is avoided.
  • the thermal barrier layer is arranged in front of reflective components of electromagnetic waves in the area of radar waves in the outer region of the building wall and consists of absorbent material for the electromagnetic waves, which is formed from a foamed plastic as an electrical non-conductor into the electrical Conductive and / or magnetic materials are incorporated to form conductivity areas, the dimensions of which are at least 1000 times smaller in all planes than the wavelength of the electromagnetic waves to be absorbed and have a share of up to 10% of the volume of the thermal insulation layer and that the upstream cover consists of an electrical non-conductor.
  • the impinging waves are essentially absorbed or damped by the conductivity regions formed, in that the energy contained is converted into heat.
  • the layer thickness of the thermal insulation layer be dimensioned in such a way that the energy of the electromagnetic waves occurring on the reflecting components becomes almost zero.
  • a favorable design is created in that soot particles are arranged as the electrically conductive material.
  • carbonyl iron powder can be used as the magnetic material.
  • the thermal barrier coating be constructed from several layers, each of which has different concentrations with electrically and / or magnetically conductive materials.
  • the heat insulation layer has an additional layer of fire-retardant material for flame protection on its outside for absorption.
  • a metallic grating be arranged as an antenna for reflection in the outer layer and that a subtraction can be carried out by different transit times of the reflected electromagnetic wave components.
  • a method for the production of thermal insulation, consists in that a large and open-pore plastic foam is used as the basic structure for the formation of an electrical non-conductor into which is electrically and / or magnetically conductive Materials are stored by spraying and then the basic structure is foamed using a fine-cell plastic.
  • a heat insulation layer 2 is applied, which is designed in the form of surface elements or sheets.
  • the thermal barrier coating 2 is constructed from a foamed plastic, such as polyurethane, as an electrical non-conductor, in which electrically and / or magnetically conductive materials are embedded. These materials, such as soot particles or carbonyl iron powder, form conductivity regions whose dimensions in all planes are at least 1000 times less than the wavelength of the electromagnetic waves to be absorbed and which account for up to 10% of the volume of the thermal barrier coating.
  • a layer 3 of fire-retardant material for flame protection is additionally applied to the absorbent thermal insulation layer 2 if this is not guaranteed by the thermal insulation layer 2.
  • a cover 5 which forms the outside of the facade, is arranged, which consists of an electrical non-conductor, such as Resoplan, Trespa or fiber cement.

Landscapes

  • Building Environments (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
  • Aerials With Secondary Devices (AREA)
EP89123646A 1989-01-13 1989-12-21 Fassadenaufbau von Hochbauten in wärmedämmender Ausbildung und Verfahren zur Herstellung einer Wärmedämmung Withdrawn EP0377878A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3900857 1989-01-13
DE3900857A DE3900857A1 (de) 1989-01-13 1989-01-13 Fassadenaufbau von hochbauten in waermedaemmender ausbildung und verfahren zur herstellung einer waermedaemmung

Publications (1)

Publication Number Publication Date
EP0377878A1 true EP0377878A1 (de) 1990-07-18

Family

ID=6372021

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89123646A Withdrawn EP0377878A1 (de) 1989-01-13 1989-12-21 Fassadenaufbau von Hochbauten in wärmedämmender Ausbildung und Verfahren zur Herstellung einer Wärmedämmung

Country Status (4)

Country Link
US (1) US5083127A (ja)
EP (1) EP0377878A1 (ja)
JP (1) JPH02232996A (ja)
DE (1) DE3900857A1 (ja)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4035460A1 (de) * 1990-11-08 1992-05-14 Messerschmitt Boelkow Blohm Grossflaechiges schallschutz-wandsystem
JPH04354103A (ja) * 1991-05-31 1992-12-08 Yoshiyuki Naito 広帯域電波吸収装置
US5353029A (en) * 1993-05-17 1994-10-04 Johnston Beverly R Separable electromagnetic waveguide attenuator
US5643512A (en) * 1995-08-16 1997-07-01 Northrop Grumman Corporation Methods for producing ceramic foams using pre-ceramic resins combined with liquid phenolic resin

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4012738A (en) * 1961-01-31 1977-03-15 The United States Of America As Represented By The Secretary Of The Navy Combined layers in a microwave radiation absorber
DE3131137A1 (de) * 1981-08-06 1983-02-24 Dieter Dipl.-Ing. Busch Vorrichtung zur abschirmung und absorption von elektromagnetischen feldern, insbesondere im hochfrequenten bereich, unter verwendung von metallfaserbeton
EP0121655A2 (de) * 1983-03-01 1984-10-17 Dornier Gmbh Faserverbundwerkstoff
EP0210803A1 (en) * 1985-07-19 1987-02-04 Agency Of Industrial Science And Technology Foamed metal and method of producing same
CH669628A5 (en) * 1985-06-20 1989-03-31 Werner G Sieger Insulated and ventilated wall covering layer - uses wire grid structure on insulating layer to form air gap behind cladding layer

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB893007A (en) * 1950-01-17 1962-04-04 Plessey Co Ltd Improvements in compositions for absorbing radio waves and methods of manufacturing such compositions
DE1842857U (de) * 1961-03-18 1961-12-07 Isopor Kunststoff G M B H Anordnung und vorrichtung zur abschirmung von strahlungen, insbesondere von hochfrequenten wellen bzw. zu deren absorption.
US4162496A (en) * 1967-04-03 1979-07-24 Rockwell International Corporation Reactive sheets
US4173018A (en) * 1967-07-27 1979-10-30 Whittaker Corporation Anti-radar means and techniques
DE1760260A1 (de) * 1968-04-25 1971-06-03 Bayer Ag Verfahren zur Herstellung von mit Polyurethanen beschichteten Textilien
US4118704A (en) * 1976-04-07 1978-10-03 Tdk Electronics Co., Ltd. Electromagnetic wave-absorbing wall
US4327364A (en) * 1978-12-22 1982-04-27 Rockwell International Corporation Apparatus for converting incident microwave energy to thermal energy
GB2058469B (en) * 1979-08-31 1983-12-14 Plessey Co Ltd Radiation-absorbing materials
US4522890A (en) * 1979-10-31 1985-06-11 Illinois Tool Works Inc. Multilayer high attenuation shielding structure
DE3507889A1 (de) * 1985-03-06 1986-09-11 Clouth Gummiwerke AG, 5000 Köln Mit einer beschichtung versehenes objekt

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4012738A (en) * 1961-01-31 1977-03-15 The United States Of America As Represented By The Secretary Of The Navy Combined layers in a microwave radiation absorber
DE3131137A1 (de) * 1981-08-06 1983-02-24 Dieter Dipl.-Ing. Busch Vorrichtung zur abschirmung und absorption von elektromagnetischen feldern, insbesondere im hochfrequenten bereich, unter verwendung von metallfaserbeton
EP0121655A2 (de) * 1983-03-01 1984-10-17 Dornier Gmbh Faserverbundwerkstoff
CH669628A5 (en) * 1985-06-20 1989-03-31 Werner G Sieger Insulated and ventilated wall covering layer - uses wire grid structure on insulating layer to form air gap behind cladding layer
EP0210803A1 (en) * 1985-07-19 1987-02-04 Agency Of Industrial Science And Technology Foamed metal and method of producing same

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
IEEE TRANS. ON BROADCASTING *

Also Published As

Publication number Publication date
DE3900857A1 (de) 1990-07-26
JPH02232996A (ja) 1990-09-14
US5083127A (en) 1992-01-21

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