FI103917B1 - Portable microwave dryer - Google Patents

Portable microwave dryer

Info

Publication number
FI103917B1
FI103917B1 FI981463A FI981463A FI103917B1 FI 103917 B1 FI103917 B1 FI 103917B1 FI 981463 A FI981463 A FI 981463A FI 981463 A FI981463 A FI 981463A FI 103917 B1 FI103917 B1 FI 103917B1
Authority
FI
Finland
Prior art keywords
magnetron
radiation
wave tube
application chamber
microwave dryer
Prior art date
Application number
FI981463A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI103917B (en
FI981463A (en
FI981463A0 (en
Inventor
Esko Taipale
Original Assignee
Elmatec Oy
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 Elmatec Oy filed Critical Elmatec Oy
Priority to FI981463A priority Critical patent/FI103917B1/en
Publication of FI981463A0 publication Critical patent/FI981463A0/en
Priority to EP99660105A priority patent/EP0967841B1/en
Priority to DE69933170T priority patent/DE69933170T2/en
Priority to AT99660105T priority patent/ATE339870T1/en
Application granted granted Critical
Publication of FI103917B publication Critical patent/FI103917B/en
Publication of FI103917B1 publication Critical patent/FI103917B1/en
Publication of FI981463A publication Critical patent/FI981463A/en

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/64—Heating using microwaves
    • H05B6/6402—Aspects relating to the microwave cavity
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/70—Drying or keeping dry, e.g. by air vents
    • E04B1/7007—Drying or keeping dry, e.g. by air vents by using electricity, e.g. electro-osmosis
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B3/00—Drying solid materials or objects by processes involving the application of heat
    • F26B3/32—Drying solid materials or objects by processes involving the application of heat by development of heat within the materials or objects to be dried, e.g. by fermentation or other microbiological action
    • F26B3/34—Drying solid materials or objects by processes involving the application of heat by development of heat within the materials or objects to be dried, e.g. by fermentation or other microbiological action by using electrical effects
    • F26B3/347—Electromagnetic heating, e.g. induction heating or heating using microwave energy
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B9/00—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards
    • F26B9/003—Small self-contained devices, e.g. portable
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/64—Heating using microwaves
    • H05B6/76—Prevention of microwave leakage, e.g. door sealings
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/64—Heating using microwaves
    • H05B6/80—Apparatus for specific applications
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2206/00—Aspects relating to heating by electric, magnetic, or electromagnetic fields covered by group H05B6/00
    • H05B2206/04—Heating using microwaves
    • H05B2206/046—Microwave drying of wood, ink, food, ceramic, sintering of ceramic, clothes, hair

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Microbiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Architecture (AREA)
  • Health & Medical Sciences (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Biomedical Technology (AREA)
  • Biotechnology (AREA)
  • Electrochemistry (AREA)
  • Molecular Biology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Chemical & Material Sciences (AREA)
  • Drying Of Solid Materials (AREA)
  • Constitution Of High-Frequency Heating (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)

Abstract

The invention relates to a portable drying apparatus for drying structures by means of microwaves. The apparatus includes a housing (1) which is divided by a partition (13) into two compartments, one being provided with a magnetron (4) and the other functioning as an application chamber (2) for radiation. The magnetron (4), along with its drive circuit, operating switch (5) and wave tube (7), is picked up from a home microwave oven for exploiting the economics of scale. In order to homogenize radiation and to block back reflection, the application chamber (2) is provided with a metal reflector cone (9), supported by a dielectric plate (10) and having its apex pointing towards a transmission aperture (8) of the wave tube (7). <IMAGE>
FI981463A 1998-06-25 1998-06-25 Portable microwave dryer FI103917B1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FI981463A FI103917B1 (en) 1998-06-25 1998-06-25 Portable microwave dryer
EP99660105A EP0967841B1 (en) 1998-06-25 1999-06-08 Portable microwave drying apparatus
DE69933170T DE69933170T2 (en) 1998-06-25 1999-06-08 Portable device for drying by means of microwaves
AT99660105T ATE339870T1 (en) 1998-06-25 1999-06-08 PORTABLE MICROWAVE DRYING DEVICE

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI981463A FI103917B1 (en) 1998-06-25 1998-06-25 Portable microwave dryer

Publications (4)

Publication Number Publication Date
FI981463A0 FI981463A0 (en) 1998-06-25
FI103917B FI103917B (en) 1999-10-15
FI103917B1 true FI103917B1 (en) 1999-10-15
FI981463A FI981463A (en) 1999-10-15

Family

ID=8552071

Family Applications (1)

Application Number Title Priority Date Filing Date
FI981463A FI103917B1 (en) 1998-06-25 1998-06-25 Portable microwave dryer

Country Status (4)

Country Link
EP (1) EP0967841B1 (en)
AT (1) ATE339870T1 (en)
DE (1) DE69933170T2 (en)
FI (1) FI103917B1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3293069B2 (en) * 1999-05-28 2002-06-17 エリー株式会社 Method and apparatus for heating object to be heated
FR2812166B1 (en) 2000-07-21 2002-12-13 Commissariat Energie Atomique FOCUSING MICROWAVE APPLICATOR
FR2832022B1 (en) * 2001-11-06 2003-12-19 Christian Lincot METHOD AND DEVICE FOR IN SITU APPLICATION OF AN INTENSE ELECTRIC FIELD WITH VARIABLE POWER FOR LOCALIZED TREATMENTS
WO2005079116A2 (en) * 2004-02-11 2005-08-25 Micro Heat Limited Mehod and apparatus for heating a fluidic load using radio frequency energy

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1082801A (en) * 1977-03-08 1980-07-29 Michael A. Hamid Fog clearing by microwave power
DK86888A (en) * 1988-02-19 1989-08-20 Winterthur Borgen A S PROCEDURE FOR TREATING BUILDING CONSTRUCTIONS INFECTED WITH HARMFUL ORGANISMS TO DAMAGE THEM
FI905484A (en) 1990-11-05 1992-05-06 Rakennustoimisto Jukka Napari TORKNINGSFOERFARANDE OCH -ANORDNING.

Also Published As

Publication number Publication date
FI103917B (en) 1999-10-15
DE69933170T2 (en) 2007-09-06
DE69933170D1 (en) 2006-10-26
FI981463A (en) 1999-10-15
EP0967841A3 (en) 2000-05-03
EP0967841B1 (en) 2006-09-13
FI981463A0 (en) 1998-06-25
EP0967841A2 (en) 1999-12-29
ATE339870T1 (en) 2006-10-15

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Legal Events

Date Code Title Description
MM Patent lapsed