FR2217487B1 - - Google Patents

Info

Publication number
FR2217487B1
FR2217487B1 FR7304754A FR7304754A FR2217487B1 FR 2217487 B1 FR2217487 B1 FR 2217487B1 FR 7304754 A FR7304754 A FR 7304754A FR 7304754 A FR7304754 A FR 7304754A FR 2217487 B1 FR2217487 B1 FR 2217487B1
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
FR7304754A
Other versions
FR2217487A1 (fr
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.)
Poclain SA
Original Assignee
Poclain SA
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 Poclain SA filed Critical Poclain SA
Priority to FR7304754A priority Critical patent/FR2217487B1/fr
Priority to GB387474A priority patent/GB1449961A/en
Priority to AR252130A priority patent/AR201756A1/es
Priority to US438378A priority patent/US3905501A/en
Priority to BE2053399A priority patent/BE810481A/fr
Priority to IT67353/74A priority patent/IT1004900B/it
Priority to DE19742405942 priority patent/DE2405942A1/de
Priority to JP1674874A priority patent/JPS578251B2/ja
Publication of FR2217487A1 publication Critical patent/FR2217487A1/fr
Application granted granted Critical
Publication of FR2217487B1 publication Critical patent/FR2217487B1/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • E02F9/2278—Hydraulic circuits
    • E02F9/2292—Systems with two or more pumps
    • 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
    • E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
    • E02F3/36—Component parts
    • E02F3/42—Drives for dippers, buckets, dipper-arms or bucket-arms
    • E02F3/43—Control of dipper or bucket position; Control of sequence of drive operations
    • E02F3/431—Control of dipper or bucket position; Control of sequence of drive operations for bucket-arms, front-end loaders, dumpers or the like
    • E02F3/434—Control of dipper or bucket position; Control of sequence of drive operations for bucket-arms, front-end loaders, dumpers or the like providing automatic sequences of movements, e.g. automatic dumping or loading, automatic return-to-dig
    • 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
    • E02F9/2221—Control of flow rate; Load sensing arrangements
    • E02F9/2239—Control of flow rate; Load sensing arrangements using two or more pumps with cross-assistance

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Operation Control Of Excavators (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Motor Power Transmission Devices (AREA)
FR7304754A 1973-02-09 1973-02-09 Expired FR2217487B1 (fr)

Priority Applications (8)

Application Number Priority Date Filing Date Title
FR7304754A FR2217487B1 (fr) 1973-02-09 1973-02-09
GB387474A GB1449961A (en) 1973-02-09 1974-01-28 Earth working machines
AR252130A AR201756A1 (es) 1973-02-09 1974-01-30 Mejoras a una maquina de obras publicas
US438378A US3905501A (en) 1973-02-09 1974-01-31 Control means for public works machine
BE2053399A BE810481A (fr) 1973-02-09 1974-02-01 Engin de travaux publics muni d'un dispositif perfectionne de reglage de la position de son equipement de travail
IT67353/74A IT1004900B (it) 1973-02-09 1974-02-08 Macchina per movimento di terra con dispositivo perfezionato per la regolazione della posizione del suo gruppo di lavoro
DE19742405942 DE2405942A1 (de) 1973-02-09 1974-02-08 Erdbewegungsmaschine
JP1674874A JPS578251B2 (fr) 1973-02-09 1974-02-09

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7304754A FR2217487B1 (fr) 1973-02-09 1973-02-09

Publications (2)

Publication Number Publication Date
FR2217487A1 FR2217487A1 (fr) 1974-09-06
FR2217487B1 true FR2217487B1 (fr) 1975-03-07

Family

ID=9114639

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7304754A Expired FR2217487B1 (fr) 1973-02-09 1973-02-09

Country Status (8)

Country Link
US (1) US3905501A (fr)
JP (1) JPS578251B2 (fr)
AR (1) AR201756A1 (fr)
BE (1) BE810481A (fr)
DE (1) DE2405942A1 (fr)
FR (1) FR2217487B1 (fr)
GB (1) GB1449961A (fr)
IT (1) IT1004900B (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2812434A1 (de) * 1977-04-07 1978-10-12 Secmafer Buchelay Sa Zugmaschine zum bewegen von grossraumflugzeugen auf flugplaetzen
US4353289A (en) * 1980-05-29 1982-10-12 Sperry Corporation Power transmission
JPS61261507A (ja) * 1985-05-15 1986-11-19 株式会社イナックス 吸音構造及び吸音壁構成用ブロツク
US4776751A (en) * 1987-08-19 1988-10-11 Deere & Company Crowd control system for a loader
US4984989A (en) * 1989-09-07 1991-01-15 Milwaukee School Of Engineering Fluid power demonstration facility
US7356397B2 (en) * 2004-06-15 2008-04-08 Deere & Company Crowd control system for a loader
US8543245B2 (en) * 2009-11-20 2013-09-24 Halliburton Energy Services, Inc. Systems and methods for specifying an operational parameter for a pumping system

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3542228A (en) * 1968-03-08 1970-11-24 Case Co J I Hydrostatic control device for loader tractor
US3583585A (en) * 1969-06-10 1971-06-08 Tyrone Hydraulics Hydraulic control system for a backhoe
FR2140722A5 (fr) * 1971-03-22 1973-01-19 Poclain Sa

Also Published As

Publication number Publication date
JPS49112401A (fr) 1974-10-26
AR201756A1 (es) 1975-04-15
FR2217487A1 (fr) 1974-09-06
BE810481A (fr) 1974-08-01
US3905501A (en) 1975-09-16
GB1449961A (en) 1976-09-15
IT1004900B (it) 1976-07-20
DE2405942A1 (de) 1974-08-15
JPS578251B2 (fr) 1982-02-16

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Legal Events

Date Code Title Description
ST Notification of lapse