FI862834A0 - Friktionsmaethjul. - Google Patents

Friktionsmaethjul.

Info

Publication number
FI862834A0
FI862834A0 FI862834A FI862834A FI862834A0 FI 862834 A0 FI862834 A0 FI 862834A0 FI 862834 A FI862834 A FI 862834A FI 862834 A FI862834 A FI 862834A FI 862834 A0 FI862834 A0 FI 862834A0
Authority
FI
Finland
Prior art keywords
friktionsmaethjul
Prior art date
Application number
FI862834A
Other languages
English (en)
Other versions
FI77332C (fi
FI77332B (fi
FI862834A (fi
Inventor
Matti Sistonen
Original Assignee
Valtion Teknillinen
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 filed Critical Valtion Teknillinen
Priority to FI862834A priority Critical patent/FI77332C/fi
Publication of FI862834A0 publication Critical patent/FI862834A0/fi
Priority to EP87904261A priority patent/EP0314686B1/en
Priority to DE8787904261T priority patent/DE3768009D1/de
Priority to PCT/FI1987/000087 priority patent/WO1988000337A1/en
Priority to US07/295,215 priority patent/US4955933A/en
Publication of FI862834A publication Critical patent/FI862834A/fi
Application granted granted Critical
Publication of FI77332B publication Critical patent/FI77332B/fi
Publication of FI77332C publication Critical patent/FI77332C/fi

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)
FI862834A 1986-07-04 1986-07-04 Anordning foer maetning av friktionen hos en yta. FI77332C (fi)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FI862834A FI77332C (fi) 1986-07-04 1986-07-04 Anordning foer maetning av friktionen hos en yta.
EP87904261A EP0314686B1 (en) 1986-07-04 1987-06-25 Device for measuring the friction on a surface
DE8787904261T DE3768009D1 (de) 1986-07-04 1987-06-25 Schaltung zur oberflaechenreibungsmessung.
PCT/FI1987/000087 WO1988000337A1 (en) 1986-07-04 1987-06-25 Device for measuring the friction on a surface
US07/295,215 US4955933A (en) 1986-07-04 1987-06-25 Device for measuring the friction on a surface

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.
FI862834 1986-07-04

Publications (4)

Publication Number Publication Date
FI862834A0 true FI862834A0 (fi) 1986-07-04
FI862834A FI862834A (fi) 1988-01-05
FI77332B FI77332B (fi) 1988-10-31
FI77332C FI77332C (fi) 1989-02-10

Family

ID=8522884

Family Applications (1)

Application Number Title Priority Date Filing Date
FI862834A FI77332C (fi) 1986-07-04 1986-07-04 Anordning foer maetning av friktionen hos en yta.

Country Status (5)

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

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0363570B1 (en) * 1988-10-13 1996-02-21 Japan Electronics Industry, Ltd. Road surface friction sensor and road surface friction coefficient detector, and vehicle antilock braking device
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
FI77332C (fi) 1989-02-10
DE3768009D1 (de) 1991-03-14
EP0314686A1 (en) 1989-05-10
US4955933A (en) 1990-09-11
FI77332B (fi) 1988-10-31
EP0314686B1 (en) 1991-02-06
WO1988000337A1 (en) 1988-01-14
FI862834A (fi) 1988-01-05

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Legal Events

Date Code Title Description
MM Patent lapsed

Owner name: VALTION TEKNILLINEN TUTKIMUSKESKUS