SE8701507L - Forfarande och anordning for metning av luftgenomsleppligheten hos en vegg, serskilt en vira eller filt i en pappersmaskin - Google Patents

Forfarande och anordning for metning av luftgenomsleppligheten hos en vegg, serskilt en vira eller filt i en pappersmaskin

Info

Publication number
SE8701507L
SE8701507L SE8701507A SE8701507A SE8701507L SE 8701507 L SE8701507 L SE 8701507L SE 8701507 A SE8701507 A SE 8701507A SE 8701507 A SE8701507 A SE 8701507A SE 8701507 L SE8701507 L SE 8701507L
Authority
SE
Sweden
Prior art keywords
air
wall
speed
blower
perspectivity
Prior art date
Application number
SE8701507A
Other languages
Unknown language ( )
English (en)
Other versions
SE462509B (sv
SE8701507D0 (sv
Inventor
R Rajala
R Virta
Original Assignee
Valmet 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 Valmet Oy filed Critical Valmet Oy
Publication of SE8701507D0 publication Critical patent/SE8701507D0/sv
Publication of SE8701507L publication Critical patent/SE8701507L/sv
Publication of SE462509B publication Critical patent/SE462509B/sv

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
    • G01N15/082—Investigating permeability by forcing a fluid through a sample

Landscapes

  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Dispersion Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Control Of Positive-Displacement Air Blowers (AREA)
  • Paper (AREA)
  • Examining Or Testing Airtightness (AREA)
  • Measuring Arrangements Characterized By The Use Of Fluids (AREA)
  • Measuring Fluid Pressure (AREA)
SE8701507A 1986-04-10 1987-04-10 Foerfarande och anordning foer maetning av luftgenomslaeppligheten hos en vaegg SE462509B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI861534A FI77331C (sv) 1986-04-10 1986-04-10 Förfarande och anordning för mätning av luftgenomträngligheten hos en vägg, särskilt en vira eller filt i en pappersmaskin.

Publications (3)

Publication Number Publication Date
SE8701507D0 SE8701507D0 (sv) 1987-04-10
SE8701507L true SE8701507L (sv) 1987-10-11
SE462509B SE462509B (sv) 1990-07-02

Family

ID=8522443

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8701507A SE462509B (sv) 1986-04-10 1987-04-10 Foerfarande och anordning foer maetning av luftgenomslaeppligheten hos en vaegg

Country Status (4)

Country Link
US (1) US4756183A (sv)
DE (1) DE3711533A1 (sv)
FI (1) FI77331C (sv)
SE (1) SE462509B (sv)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4991425A (en) * 1990-02-20 1991-02-12 Appleton Mills Portable gauge for measuring air flow in a papermaking machine
DE4112878C2 (de) * 1991-04-19 1994-11-24 Heinr Borgwaldt Gmbh Verfahren und Meßgerät zum Bestimmen der Gasdurchlässigkeit eines Prüflings
FI94178C (sv) * 1992-04-07 1995-07-25 Tamfelt Oy Ab Mätapparat för mätning av en filts tillstånd i en pappersmaskin
US8604709B2 (en) 2007-07-31 2013-12-10 Lsi Industries, Inc. Methods and systems for controlling electrical power to DC loads
US8903577B2 (en) 2009-10-30 2014-12-02 Lsi Industries, Inc. Traction system for electrically powered vehicles
US7598683B1 (en) 2007-07-31 2009-10-06 Lsi Industries, Inc. Control of light intensity using pulses of a fixed duration and frequency
KR100996233B1 (ko) * 2008-10-16 2010-11-23 한전케이피에스 주식회사 비파괴 검사 장비
RU2445610C1 (ru) * 2010-12-15 2012-03-20 Учреждение Научно-исследовательский институт строительной физики Российской академии архитектуры и строительных наук (НИИСФ РААСН) Способ определения воздухопроницаемости строительных ограждающих конструкций
TW201416568A (zh) * 2012-10-19 2014-05-01 Taiwan Luder Electronic Co Ltd 智慧型風壓管路濾網感測裝置
US9320361B2 (en) * 2013-08-07 2016-04-26 Ford Global Technologies, Llc Apparatus and method for testing a climate controlled vehicle seat
DE102019116197A1 (de) * 2019-06-14 2020-12-17 Voith Patent Gmbh Verschmutzungsmessung Saugwalze
CN111579455A (zh) * 2020-05-19 2020-08-25 中科汇聚(福建)检测科技有限公司 一种纸尿裤透气性检测系统及方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3808876A (en) * 1972-10-02 1974-05-07 T Kershaw Air permeability tester
US4311037A (en) * 1980-03-19 1982-01-19 Scott Paper Company Web permeability tester
GB2095411B (en) * 1981-02-09 1985-06-12 Filtrona Ltd Paper porosity
US4401147A (en) * 1981-09-28 1983-08-30 Appleton Mills Portable instrument for measuring the permeability of a papermaker's felt
US4536971A (en) * 1983-02-25 1985-08-27 Harald Pulsmeier Apparatus for testing the air-permeability of lengths of textiles
DE3537896A1 (de) * 1985-10-24 1987-04-30 Gessner & Co Gmbh Verfahren und vorrichtung zur kontinuierlichen messung der porositaet

Also Published As

Publication number Publication date
FI77331C (sv) 1989-02-10
US4756183A (en) 1988-07-12
SE462509B (sv) 1990-07-02
SE8701507D0 (sv) 1987-04-10
FI861534A (fi) 1987-10-11
FI77331B (fi) 1988-10-31
DE3711533A1 (de) 1987-10-15
FI861534A0 (fi) 1986-04-10

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