NO851883L - Magnetisk transduktorinnretning for maaling av en kraft spesielt trekkmotstanden til en jordbrukstraktor - Google Patents

Magnetisk transduktorinnretning for maaling av en kraft spesielt trekkmotstanden til en jordbrukstraktor

Info

Publication number
NO851883L
NO851883L NO851883A NO851883A NO851883L NO 851883 L NO851883 L NO 851883L NO 851883 A NO851883 A NO 851883A NO 851883 A NO851883 A NO 851883A NO 851883 L NO851883 L NO 851883L
Authority
NO
Norway
Prior art keywords
flux
bar
magnetic
measuring
flexural
Prior art date
Application number
NO851883A
Other languages
English (en)
Other versions
NO161762C (no
NO161762B (no
Inventor
Hannu Hannukainen
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 NO851883L publication Critical patent/NO851883L/no
Publication of NO161762B publication Critical patent/NO161762B/no
Publication of NO161762C publication Critical patent/NO161762C/no

Links

Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
    • A01B63/00—Lifting or adjusting devices or arrangements for agricultural machines or implements
    • A01B63/02—Lifting or adjusting devices or arrangements for agricultural machines or implements for implements mounted on tractors
    • A01B63/10—Lifting or adjusting devices or arrangements for agricultural machines or implements for implements mounted on tractors operated by hydraulic or pneumatic means
    • A01B63/111—Lifting or adjusting devices or arrangements for agricultural machines or implements for implements mounted on tractors operated by hydraulic or pneumatic means regulating working depth of implements
    • A01B63/112—Lifting or adjusting devices or arrangements for agricultural machines or implements for implements mounted on tractors operated by hydraulic or pneumatic means regulating working depth of implements to control draught load, i.e. tractive force
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L1/00—Measuring force or stress, in general
    • G01L1/12—Measuring force or stress, in general by measuring variations in the magnetic properties of materials resulting from the application of stress
    • G01L1/125—Measuring force or stress, in general by measuring variations in the magnetic properties of materials resulting from the application of stress by using magnetostrictive means
    • 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
    • G01L5/13—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring the tractive or propulsive power of vehicles
    • G01L5/136—Force sensors associated with a vehicle traction coupling

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Environmental Sciences (AREA)
  • Soil Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Force Measurement Appropriate To Specific Purposes (AREA)
  • Measuring Magnetic Variables (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Testing Electric Properties And Detecting Electric Faults (AREA)
  • Lifting Devices For Agricultural Implements (AREA)
  • Agricultural Machines (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)
  • Soft Magnetic Materials (AREA)
NO85851883A 1983-09-13 1985-05-10 Magnetisk transduktorinnretning for maaling av en kraft spesielt trekkmotstanden til en jordbrukstraktor. NO161762C (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI833277A FI67623C (fi) 1983-09-13 1983-09-13 Magnetisk givaranordning foer maetning av kraft speciellt foermaetning av dragmotstaondet hos en jordbrukstraktor
PCT/FI1984/000055 WO1985001346A1 (en) 1983-09-13 1984-08-01 Magnetic transducer means for measuring force, in particular the traction resistance of an agricultural tractor

Publications (3)

Publication Number Publication Date
NO851883L true NO851883L (no) 1985-05-10
NO161762B NO161762B (no) 1989-06-12
NO161762C NO161762C (no) 1989-09-27

Family

ID=8517736

Family Applications (1)

Application Number Title Priority Date Filing Date
NO85851883A NO161762C (no) 1983-09-13 1985-05-10 Magnetisk transduktorinnretning for maaling av en kraft spesielt trekkmotstanden til en jordbrukstraktor.

Country Status (7)

Country Link
EP (1) EP0157790B1 (no)
AT (1) ATE32539T1 (no)
BR (1) BR8407065A (no)
DE (1) DE3469383D1 (no)
FI (1) FI67623C (no)
NO (1) NO161762C (no)
WO (1) WO1985001346A1 (no)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3722041A1 (de) * 1987-07-03 1989-01-12 Deere & Co Verfahren und messglied zum messen einer an einem zuggeraet angreifenden kraft
EP0466046A1 (en) * 1990-07-11 1992-01-15 J.C. Bamford Excavators Limited Load sensing arrangement
AUPQ004799A0 (en) * 1999-04-29 1999-05-20 Cimmino, Alberto Electronic transducer for measuring flexion
US20130287508A1 (en) 2012-04-25 2013-10-31 Milwaukee Electric Tool Corporation Magnetic drill press
CN208929274U (zh) 2016-02-01 2019-06-04 米沃奇电动工具公司 磁力钻床的保持力检测

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3814188A (en) * 1972-10-02 1974-06-04 Allis Chalmers Electronic draft load sensing system
US4266616A (en) * 1979-06-29 1981-05-12 Massey-Ferguson Inc. Draft sensing apparatus wherein effect of vertical deflection reduced to insignificant levels compared to horizontal deflection
US4315548A (en) * 1979-10-01 1982-02-16 Kubota, Ltd. Tractor with a traction load sensing device
DE3004592A1 (de) * 1980-02-08 1981-08-13 Robert Bosch Gmbh, 7000 Stuttgart Elektrohydraulische steuereinrichtung zum betaetigen eines hubwerks von landwirtschaftlichen arbeitsfahrzeugen
IT1143386B (it) * 1981-02-12 1986-10-22 Fiat Trattori Spa Dispositivo misuratore di sforzo per il controllo dell assetto di un attrezzo atto ad essere trainato da una macchina agricola

Also Published As

Publication number Publication date
DE3469383D1 (en) 1988-03-24
NO161762C (no) 1989-09-27
FI833277A0 (fi) 1983-09-13
BR8407065A (pt) 1985-08-13
NO161762B (no) 1989-06-12
FI67623B (fi) 1984-12-31
ATE32539T1 (de) 1988-03-15
EP0157790B1 (en) 1988-02-17
WO1985001346A1 (en) 1985-03-28
EP0157790A1 (en) 1985-10-16
FI67623C (fi) 1985-04-10

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