FR2098423B1 - - Google Patents

Info

Publication number
FR2098423B1
FR2098423B1 FR717125843A FR7125843A FR2098423B1 FR 2098423 B1 FR2098423 B1 FR 2098423B1 FR 717125843 A FR717125843 A FR 717125843A FR 7125843 A FR7125843 A FR 7125843A FR 2098423 B1 FR2098423 B1 FR 2098423B1
Authority
FR
France
Legal status (The legal status 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 status listed.)
Expired
Application number
FR717125843A
Other languages
French (fr)
Other versions
FR2098423A1 (de
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SPX Corp
Original Assignee
General Signal Corp
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 General Signal Corp filed Critical General Signal Corp
Publication of FR2098423A1 publication Critical patent/FR2098423A1/fr
Application granted granted Critical
Publication of FR2098423B1 publication Critical patent/FR2098423B1/fr
Expired legal-status Critical Current

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
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20—Drives; Control devices
    • E02F9/22—Hydraulic or pneumatic drives
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20—Drives; Control devices
    • E02F9/22—Hydraulic or pneumatic drives
    • E02F9/226—Safety arrangements, e.g. hydraulic driven fans, preventing cavitation, leakage, overheating

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Fluid-Pressure Circuits (AREA)
FR717125843A 1970-07-15 1971-07-15 Expired FR2098423B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US5502870A 1970-07-15 1970-07-15

Publications (2)

Publication Number Publication Date
FR2098423A1 FR2098423A1 (de) 1972-03-10
FR2098423B1 true FR2098423B1 (de) 1974-06-21

Family

ID=21995089

Family Applications (1)

Application Number Title Priority Date Filing Date
FR717125843A Expired FR2098423B1 (de) 1970-07-15 1971-07-15

Country Status (6)

Country Link
US (1) US3620129A (de)
JP (1) JPS564762B1 (de)
DE (1) DE2130655C3 (de)
FR (1) FR2098423B1 (de)
GB (1) GB1297761A (de)
SE (1) SE371263B (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2148502B2 (de) * 1971-09-29 1978-11-02 G.L. Rexroth Gmbh, 8770 Lohr Ein- oder mehrkreisiges Hydrauliksystem
US3805678A (en) * 1972-04-17 1974-04-23 Caterpillar Tractor Co Hydraulic control system for load supporting hydraulic motors
US3935792A (en) * 1973-02-26 1976-02-03 Caterpillar Tractor Co. Pilot pump bleed control for earthmoving scrapers
JPS5226311B2 (de) * 1973-08-24 1977-07-13
US3987703A (en) * 1974-08-12 1976-10-26 Caterpillar Tractor Co. Combined restrictor and dead engine lowering valve
JPS57500840A (de) * 1980-06-16 1982-05-13
US4509406A (en) * 1980-06-16 1985-04-09 Caterpillar Tractor Co. Pressure reducing valve for dead engine lowering
US4487106A (en) * 1983-11-04 1984-12-11 Towmotor Corporation Fluid operated system
US4799420A (en) * 1987-08-27 1989-01-24 Caterpillar Inc. Load responsive control system adapted to use of negative load pressure in operation of system controls
CH681380A5 (de) * 1990-04-09 1993-03-15 Asea Brown Boveri
US5060475A (en) * 1990-05-29 1991-10-29 Caterpillar Inc. Pilot control circuit for load sensing hydraulic systems
US5577876A (en) * 1994-02-22 1996-11-26 Clark Equipment Company Hydraulic interblock system
KR20110076073A (ko) * 2009-12-29 2011-07-06 볼보 컨스트럭션 이큅먼트 에이비 네가티브 컨트롤방식 유압시스템
DE102016106616B4 (de) * 2016-04-11 2023-07-06 Schwing Gmbh Elektrohydraulischer Steuerkreis für einen Großmanipulator

Also Published As

Publication number Publication date
DE2130655A1 (de) 1972-01-20
JPS564762B1 (de) 1981-01-31
FR2098423A1 (de) 1972-03-10
GB1297761A (de) 1972-11-29
DE2130655C3 (de) 1973-12-13
US3620129A (en) 1971-11-16
SE371263B (de) 1974-11-11
DE2130655B2 (de) 1973-05-24

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Legal Events

Date Code Title Description
ST Notification of lapse