NO168127C - Fremgangsmaate og innretning for konstanttrykkregulering for et arbeidsblad paa f.eks. en veimaskin - Google Patents

Fremgangsmaate og innretning for konstanttrykkregulering for et arbeidsblad paa f.eks. en veimaskin

Info

Publication number
NO168127C
NO168127C NO895212A NO895212A NO168127C NO 168127 C NO168127 C NO 168127C NO 895212 A NO895212 A NO 895212A NO 895212 A NO895212 A NO 895212A NO 168127 C NO168127 C NO 168127C
Authority
NO
Norway
Prior art keywords
veiman
procedure
constant pressure
pressure regulation
working sheet
Prior art date
Application number
NO895212A
Other languages
English (en)
Other versions
NO895212L (no
NO895212D0 (no
NO168127B (no
Inventor
Karl-Jonas Jonasson
Bo Tibaeck
Lars-Aake Hedberg
Alf Wallin
Original Assignee
Maskin Ab Tube
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 Maskin Ab Tube filed Critical Maskin Ab Tube
Publication of NO895212L publication Critical patent/NO895212L/no
Publication of NO895212D0 publication Critical patent/NO895212D0/no
Publication of NO168127B publication Critical patent/NO168127B/no
Publication of NO168127C publication Critical patent/NO168127C/no

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/76—Graders, bulldozers, or the like with scraper plates or ploughshare-like elements; Levelling scarifying devices
    • E02F3/80—Component parts
    • E02F3/84—Drives or control devices therefor, e.g. hydraulic drive systems
    • E02F3/844—Drives or control devices therefor, e.g. hydraulic drive systems for positioning the blade, e.g. hydraulically

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Operation Control Of Excavators (AREA)
  • Unwinding Webs (AREA)
  • Fluid-Pressure Circuits (AREA)
NO895212A 1987-06-26 1989-12-22 Fremgangsmaate og innretning for konstanttrykkregulering for et arbeidsblad paa f.eks. en veimaskin NO168127C (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE8702668A SE456682B (sv) 1987-06-26 1987-06-26 Saett och anordning foer konstanttryckreglering av ett vaeghyvelblad
PCT/SE1988/000328 WO1988010342A1 (en) 1987-06-26 1988-06-16 Constant pressure regulation of grader blades

Publications (4)

Publication Number Publication Date
NO895212L NO895212L (no) 1989-12-22
NO895212D0 NO895212D0 (no) 1989-12-22
NO168127B NO168127B (no) 1991-10-07
NO168127C true NO168127C (no) 1992-01-15

Family

ID=20368997

Family Applications (1)

Application Number Title Priority Date Filing Date
NO895212A NO168127C (no) 1987-06-26 1989-12-22 Fremgangsmaate og innretning for konstanttrykkregulering for et arbeidsblad paa f.eks. en veimaskin

Country Status (9)

Country Link
US (1) US5044446A (no)
EP (1) EP0377576B1 (no)
JP (1) JPH03500190A (no)
CA (1) CA1316794C (no)
DE (1) DE3868937D1 (no)
FI (1) FI88949C (no)
NO (1) NO168127C (no)
SE (1) SE456682B (no)
WO (1) WO1988010342A1 (no)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5697452A (en) * 1995-12-05 1997-12-16 American Roller Bushing Corporation Sod roll laying apparatus and method
US5647439A (en) * 1995-12-14 1997-07-15 Caterpillar Inc. Implement control system for locating a surface interface and removing a layer of material
US5718115A (en) * 1996-05-31 1998-02-17 Aim, Inc. Constant force hydraulic control system
WO2001017330A1 (en) * 1999-09-03 2001-03-15 Wojanis James R Hydraulic plow balancing system
DE602004029771D1 (de) * 2003-03-17 2010-12-09 Kalannin Kaspek Oy Maschine zur eiserneuerung sowie system und verfahren zur eiserhaltung
US8858151B2 (en) * 2011-08-16 2014-10-14 Caterpillar Inc. Machine having hydraulically actuated implement system with down force control, and method
DE102014202766B4 (de) * 2014-02-14 2023-04-27 Thomas Löcher Anordnung zur Regelung eines hydraulischen Antriebselements
US10624263B2 (en) * 2016-06-21 2020-04-21 Macdon Industries Ltd Crop machine with an electronically controlled hydraulic cylinder flotation system

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1954194A1 (de) * 1969-10-28 1971-05-06 Zinser Textilmaschinen Gmbh Hydraulische Antriebsvorrichtung zum Changieren von die Fadenaufwindung steuernden Baenken
GB1261134A (en) * 1969-11-05 1972-01-19 Ch Traktorny Zd Directional control valves for the power cylinders of operating elements of machines
US3872670A (en) * 1973-05-02 1975-03-25 Caterpillar Tractor Co Selectively actuatable shock absorbing system for an implement control circuit
US4024796A (en) * 1975-09-24 1977-05-24 Caterpillar Tractor Co. Float control electrical circuit for a blade
US4353423A (en) * 1977-09-21 1982-10-12 Kep Enterprises Hydraulic reset for tillage and seeding equipment
JPS5563003A (en) * 1978-11-01 1980-05-12 Caterpillar Tractor Co Hydraulic control circuit with quick drop valve
JPS56501058A (no) * 1979-08-30 1981-07-30
US4372193A (en) * 1980-12-24 1983-02-08 Caterpillar Tractor Co. System with constant force actuator
DE3739525A1 (de) * 1987-11-21 1989-06-01 Orenstein & Koppel Ag Planierfahrzeug

Also Published As

Publication number Publication date
FI88949B (fi) 1993-04-15
FI896247A0 (fi) 1989-12-22
NO895212L (no) 1989-12-22
EP0377576B1 (en) 1992-03-04
CA1316794C (en) 1993-04-27
SE456682B (sv) 1988-10-24
WO1988010342A1 (en) 1988-12-29
JPH03500190A (ja) 1991-01-17
DE3868937D1 (de) 1992-04-09
EP0377576A1 (en) 1990-07-18
FI88949C (fi) 1993-07-26
US5044446A (en) 1991-09-03
NO895212D0 (no) 1989-12-22
NO168127B (no) 1991-10-07
SE8702668D0 (sv) 1987-06-26

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