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FI20041622L - Method and arrangement for monitoring contact between two surfaces - Google Patents

Method and arrangement for monitoring contact between two surfaces Download PDF

Info

Publication number
FI20041622L
FI20041622L FI20041622A FI20041622A FI20041622L FI 20041622 L FI20041622 L FI 20041622L FI 20041622 A FI20041622 A FI 20041622A FI 20041622 A FI20041622 A FI 20041622A FI 20041622 L FI20041622 L FI 20041622L
Authority
FI
Finland
Prior art keywords
arrangement
monitoring contact
monitoring
contact
Prior art date
Application number
FI20041622A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI119707B (en
FI20041622A0 (en
Inventor
Ari Lehto
Helena Ronkainen
Jari Koskinen
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 FI20041622A priority Critical patent/FI119707B/en
Publication of FI20041622A0 publication Critical patent/FI20041622A0/en
Priority to PCT/FI2005/000534 priority patent/WO2006064086A1/en
Publication of FI20041622L publication Critical patent/FI20041622L/en
Application granted granted Critical
Publication of FI119707B publication Critical patent/FI119707B/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C17/00—Sliding-contact bearings for exclusively rotary movement
    • F16C17/12—Sliding-contact bearings for exclusively rotary movement characterised by features not related to the direction of the load
    • F16C17/24—Sliding-contact bearings for exclusively rotary movement characterised by features not related to the direction of the load with devices affected by abnormal or undesired positions, e.g. for preventing overheating, for safety
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C17/00—Sliding-contact bearings for exclusively rotary movement
    • F16C17/12—Sliding-contact bearings for exclusively rotary movement characterised by features not related to the direction of the load
    • F16C17/24—Sliding-contact bearings for exclusively rotary movement characterised by features not related to the direction of the load with devices affected by abnormal or undesired positions, e.g. for preventing overheating, for safety
    • F16C17/246—Sliding-contact bearings for exclusively rotary movement characterised by features not related to the direction of the load with devices affected by abnormal or undesired positions, e.g. for preventing overheating, for safety related to wear, e.g. sensors for measuring wear
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K11/00—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00
    • G01K11/12—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using changes in colour, translucency or reflectance
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K11/00—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00
    • G01K11/12—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using changes in colour, translucency or reflectance
    • G01K11/125—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using changes in colour, translucency or reflectance using changes in reflectance
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
    • G01L5/0004—Force transducers adapted for mounting in a bore of the force receiving structure
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
    • G01L5/0009—Force sensors associated with a bearing
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M13/00—Testing of machine parts
    • G01M13/04—Bearings

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Length Measuring Devices By Optical Means (AREA)
FI20041622A 2004-12-16 2004-12-16 Method and apparatus for monitoring a contact between two surfaces FI119707B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FI20041622A FI119707B (en) 2004-12-16 2004-12-16 Method and apparatus for monitoring a contact between two surfaces
PCT/FI2005/000534 WO2006064086A1 (en) 2004-12-16 2005-12-15 Method and Apparatus for Monitoring a Contact between Two Surfaces

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20041622 2004-12-16
FI20041622A FI119707B (en) 2004-12-16 2004-12-16 Method and apparatus for monitoring a contact between two surfaces

Publications (3)

Publication Number Publication Date
FI20041622A0 FI20041622A0 (en) 2004-12-16
FI20041622L true FI20041622L (en) 2006-06-17
FI119707B FI119707B (en) 2009-02-13

Family

ID=33547989

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20041622A FI119707B (en) 2004-12-16 2004-12-16 Method and apparatus for monitoring a contact between two surfaces

Country Status (2)

Country Link
FI (1) FI119707B (en)
WO (1) WO2006064086A1 (en)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1604990A (en) * 1978-05-31 1981-12-16 Ransome Hoffmann Pollard Bearing condition monitoring
US4196629A (en) * 1978-10-23 1980-04-08 Philips Gerald J Fiber optic machinery performance monitor
US4870271A (en) * 1987-02-06 1989-09-26 Philips Gerald J Method and apparatus for determining the size of defects in rolling element bearings with high frequency capability
DE19522543A1 (en) * 1994-08-01 1996-02-08 Ntn Toyo Bearing Co Ltd Piezoelectric measuring sensor system for roller bearings
US5547283A (en) * 1994-11-01 1996-08-20 Kronberg; James W. Optical temperature sensor using thermochromic semiconductors
US6766697B1 (en) * 2000-12-06 2004-07-27 Bearings Plus, Inc. Hydrodynamic bearings having strain sensors

Also Published As

Publication number Publication date
FI119707B (en) 2009-02-13
FI20041622A0 (en) 2004-12-16
WO2006064086A1 (en) 2006-06-22

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