DE3768009D1 - Schaltung zur oberflaechenreibungsmessung. - Google Patents

Schaltung zur oberflaechenreibungsmessung.

Info

Publication number
DE3768009D1
DE3768009D1 DE8787904261T DE3768009T DE3768009D1 DE 3768009 D1 DE3768009 D1 DE 3768009D1 DE 8787904261 T DE8787904261 T DE 8787904261T DE 3768009 T DE3768009 T DE 3768009T DE 3768009 D1 DE3768009 D1 DE 3768009D1
Authority
DE
Germany
Prior art keywords
circuit
surface friction
friction measurement
measurement
friction
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.)
Expired - Fee Related
Application number
DE8787904261T
Other languages
English (en)
Inventor
Matti Sistonen
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.)
Valtion Teknillinen Tutkimuskeskus
Original Assignee
Valtion Teknillinen Tutkimuskeskus
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 Valtion Teknillinen Tutkimuskeskus filed Critical Valtion Teknillinen Tutkimuskeskus
Application granted granted Critical
Publication of DE3768009D1 publication Critical patent/DE3768009D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N19/00—Investigating materials by mechanical methods
    • G01N19/02—Measuring coefficient of friction between materials

Landscapes

  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • A Measuring Device Byusing Mechanical Method (AREA)
  • Force Measurement Appropriate To Specific Purposes (AREA)
DE8787904261T 1986-07-04 1987-06-25 Schaltung zur oberflaechenreibungsmessung. Expired - Fee Related DE3768009D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI862834A FI77332C (fi) 1986-07-04 1986-07-04 Anordning foer maetning av friktionen hos en yta.
PCT/FI1987/000087 WO1988000337A1 (en) 1986-07-04 1987-06-25 Device for measuring the friction on a surface

Publications (1)

Publication Number Publication Date
DE3768009D1 true DE3768009D1 (de) 1991-03-14

Family

ID=8522884

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787904261T Expired - Fee Related DE3768009D1 (de) 1986-07-04 1987-06-25 Schaltung zur oberflaechenreibungsmessung.

Country Status (5)

Country Link
US (1) US4955933A (de)
EP (1) EP0314686B1 (de)
DE (1) DE3768009D1 (de)
FI (1) FI77332C (de)
WO (1) WO1988000337A1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE68925713T2 (de) * 1988-10-13 1996-10-10 Japan Electronics Ind Ltd Strassenoberflächen-Reibungsaufnehmer und Strassenoberflächen-Reibungskoeffizienten-Aufnehmer und Fahrzeug-Blockierschutz-Bremsanlage
FR2709828A1 (fr) * 1993-09-10 1995-03-17 Michelin & Cie Dispositif pour la mise en Óoeuvre de méthodes de mesure de résistances au roulement et de limites d'adhérences, de pneumatiques ou de sols et les dites méthodes.
US5736630A (en) * 1997-02-11 1998-04-07 Welner; Jerome M. Slip friction measurement and recording apparatus
US6354675B1 (en) * 1997-05-22 2002-03-12 Japan Electronics Industry Ltd. ABS apparatus
US6321586B1 (en) 1999-02-01 2001-11-27 Lockheed Martin Federal Systems, Inc. Conveyor friction measurement and cleaning system
US6928857B1 (en) * 2004-07-14 2005-08-16 Glen A. J. Brown Apparatus for continuous measurement of road surface friction
NO323337B1 (no) * 2005-10-06 2007-03-26 Thor Wiggo Olsen Fremgangsmate og anordning for maling av friksjon pa en veioverflate

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE852161C (de) * 1951-04-05 1952-10-13 Goetz Peiseler Verfahren und Vorrichtung zur Ermittlung der gleitenden Reibung zwischen Reifen und Fahrbahn
US2821081A (en) * 1956-10-19 1958-01-28 Charles F Staples Surface resistance indicator
US2946644A (en) * 1959-06-18 1960-07-26 Lyell D Henry Means for sensing and tabulating the accumulated roughness of a roadway surface
US3367170A (en) * 1965-08-05 1968-02-06 John I Thompson & Company Surface friction tester
SU1059471A1 (ru) * 1982-06-28 1983-12-07 Государственный Дорожный Проектно-Изыскательский И Научно-Исследовательский Институт Способ определени коэффициента сцеплени колеса с дорожным покрытием и устройство дл его осуществлени
SU1095056A1 (ru) * 1983-01-10 1984-05-30 Производственно-Технический Институт "Латтехоргдорстрой" Устройство дл измерени скользкости дорожных покрытий
US4594878A (en) * 1983-06-24 1986-06-17 Nippo Sangyo Co. Ltd. Dynamic friction coefficient measuring apparatus

Also Published As

Publication number Publication date
WO1988000337A1 (en) 1988-01-14
US4955933A (en) 1990-09-11
FI77332C (fi) 1989-02-10
EP0314686B1 (de) 1991-02-06
EP0314686A1 (de) 1989-05-10
FI77332B (fi) 1988-10-31
FI862834A (fi) 1988-01-05
FI862834A0 (fi) 1986-07-04

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee