ITMI921550A1 - HYDRAULIC CIRCUIT FOR COMMANDING THE DIRECTION OF MOVEMENT, SPEED AND TORQUE OF OPERATION OF A USER. - Google Patents

HYDRAULIC CIRCUIT FOR COMMANDING THE DIRECTION OF MOVEMENT, SPEED AND TORQUE OF OPERATION OF A USER.

Info

Publication number
ITMI921550A1
ITMI921550A1 IT001550A ITMI921550A ITMI921550A1 IT MI921550 A1 ITMI921550 A1 IT MI921550A1 IT 001550 A IT001550 A IT 001550A IT MI921550 A ITMI921550 A IT MI921550A IT MI921550 A1 ITMI921550 A1 IT MI921550A1
Authority
IT
Italy
Prior art keywords
commanding
torque
movement
user
speed
Prior art date
Application number
IT001550A
Other languages
Italian (it)
Inventor
Rudolf Becker
Horst Kant
Eich Otwin
Original Assignee
Barmag Rg
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 Barmag Rg filed Critical Barmag Rg
Publication of ITMI921550A0 publication Critical patent/ITMI921550A0/en
Publication of ITMI921550A1 publication Critical patent/ITMI921550A1/en
Application granted granted Critical
Publication of IT1255170B publication Critical patent/IT1255170B/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
    • F15B13/042—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure
    • F15B13/0422—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure with manually-operated pilot valves, e.g. joysticks

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid-Pressure Circuits (AREA)
ITMI921550A 1991-06-27 1992-06-24 HYDRAULIC CIRCUIT FOR COMMANDING THE DIRECTION OF MOVEMENT, SPEED AND TORQUE OF OPERATION OF A USER. IT1255170B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4121235 1991-06-27

Publications (3)

Publication Number Publication Date
ITMI921550A0 ITMI921550A0 (en) 1992-06-24
ITMI921550A1 true ITMI921550A1 (en) 1993-12-24
IT1255170B IT1255170B (en) 1995-10-20

Family

ID=6434866

Family Applications (1)

Application Number Title Priority Date Filing Date
ITMI921550A IT1255170B (en) 1991-06-27 1992-06-24 HYDRAULIC CIRCUIT FOR COMMANDING THE DIRECTION OF MOVEMENT, SPEED AND TORQUE OF OPERATION OF A USER.

Country Status (4)

Country Link
DE (1) DE4220656A1 (en)
FR (1) FR2678323B1 (en)
GB (1) GB2257270B (en)
IT (1) IT1255170B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06173904A (en) * 1992-12-08 1994-06-21 Komatsu Ltd Rotary hydraulic circuit
DE19833489A1 (en) 1998-07-24 2000-01-27 Mannesmann Rexroth Ag Hydraulic circuit for controlling user of work apparatus has pump supplying user with pressure medium via feed conduit with back flow conduit feeding back to tank

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB814618A (en) * 1955-04-29 1959-06-10 New York Air Brake Co Hydraulic control systems more particularly for bulldozers and the like
NL143015B (en) * 1970-09-11 1974-08-15 Koppen Lethem Trading PRESSURE REGULATING TWO-WAY VALVE FOR A HYDRAULIC CIRCUIT.
US3646959A (en) * 1970-10-12 1972-03-07 Sperry Rand Corp Power transmission
GB2013841A (en) * 1978-01-30 1979-08-15 Caterpillar Tractor Co Work fluid system
JPS5663102A (en) * 1979-10-29 1981-05-29 Kobe Steel Ltd Turning oil-pressure circuit for oil-pressure shovel, etc.
JPS60249706A (en) * 1984-05-22 1985-12-10 Toshiba Mach Co Ltd Hydraulic control device
JPS612908A (en) * 1984-06-14 1986-01-08 Toshiba Mach Co Ltd Control valve device
DE3690051C1 (en) * 1985-02-23 1997-09-18 Barmag Barmer Maschf Proportional valve assembly with adjustable throttle
JPH076525B2 (en) * 1987-01-09 1995-01-30 株式会社神戸製鋼所 Swing hydraulic circuit of construction machinery
US5129229A (en) * 1990-06-19 1992-07-14 Hitachi Construction Machinery Co., Ltd. Hydraulic drive system for civil-engineering and construction machine

Also Published As

Publication number Publication date
GB9213679D0 (en) 1992-08-12
GB2257270B (en) 1995-08-30
GB2257270A (en) 1993-01-06
FR2678323B1 (en) 1996-02-16
DE4220656A1 (en) 1993-01-07
IT1255170B (en) 1995-10-20
ITMI921550A0 (en) 1992-06-24
FR2678323A1 (en) 1992-12-31

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Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970627