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BR8407065A - Dispositivo de medicao magnetico para medir forca,em particular a resistencia a tracao de um trator agricola - Google Patents

Dispositivo de medicao magnetico para medir forca,em particular a resistencia a tracao de um trator agricola

Info

Publication number
BR8407065A
BR8407065A BR8407065A BR8407065A BR8407065A BR 8407065 A BR8407065 A BR 8407065A BR 8407065 A BR8407065 A BR 8407065A BR 8407065 A BR8407065 A BR 8407065A BR 8407065 A BR8407065 A BR 8407065A
Authority
BR
Brazil
Prior art keywords
magnetic
flux
bar
flexural
flexural bar
Prior art date
Application number
BR8407065A
Other languages
English (en)
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 BR8407065A publication Critical patent/BR8407065A/pt

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)
  • Soft Magnetic Materials (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)
  • Lifting Devices For Agricultural Implements (AREA)
  • Agricultural Machines (AREA)
BR8407065A 1983-09-13 1984-08-01 Dispositivo de medicao magnetico para medir forca,em particular a resistencia a tracao de um trator agricola BR8407065A (pt)

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 (1)

Publication Number Publication Date
BR8407065A true BR8407065A (pt) 1985-08-13

Family

ID=8517736

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8407065A BR8407065A (pt) 1983-09-13 1984-08-01 Dispositivo de medicao magnetico para medir forca,em particular a resistencia a tracao de um trator agricola

Country Status (7)

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

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
WO2017136318A1 (en) 2016-02-01 2017-08-10 Milwaukee Electric Tool Corporation Holding force detection for magnetic drill press

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
WO1985001346A1 (en) 1985-03-28
DE3469383D1 (en) 1988-03-24
NO161762B (no) 1989-06-12
EP0157790B1 (en) 1988-02-17
FI67623C (fi) 1985-04-10
FI67623B (fi) 1984-12-31
FI833277A0 (fi) 1983-09-13
ATE32539T1 (de) 1988-03-15
EP0157790A1 (en) 1985-10-16
NO161762C (no) 1989-09-27
NO851883L (no) 1985-05-10

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Legal Events

Date Code Title Description
MM Lapse due to non-payment of fees (art. 50)