JPS49112401A - - Google Patents

Info

Publication number
JPS49112401A
JPS49112401A JP49016748A JP1674874A JPS49112401A JP S49112401 A JPS49112401 A JP S49112401A JP 49016748 A JP49016748 A JP 49016748A JP 1674874 A JP1674874 A JP 1674874A JP S49112401 A JPS49112401 A JP S49112401A
Authority
JP
Japan
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.)
Granted
Application number
JP49016748A
Other languages
Japanese (ja)
Other versions
JPS578251B2 (enrdf_load_stackoverflow
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 filed Critical
Publication of JPS49112401A publication Critical patent/JPS49112401A/ja
Publication of JPS578251B2 publication Critical patent/JPS578251B2/ja
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)
  • Fluid-Pressure Circuits (AREA)
  • Operation Control Of Excavators (AREA)
  • Motor Power Transmission Devices (AREA)
JP1674874A 1973-02-09 1974-02-09 Expired JPS578251B2 (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
JPS49112401A true JPS49112401A (enrdf_load_stackoverflow) 1974-10-26
JPS578251B2 JPS578251B2 (enrdf_load_stackoverflow) 1982-02-16

Family

ID=9114639

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1674874A Expired JPS578251B2 (enrdf_load_stackoverflow) 1973-02-09 1974-02-09

Country Status (8)

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

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 (enrdf_load_stackoverflow) * 1971-03-22 1973-01-19 Poclain Sa

Also Published As

Publication number Publication date
US3905501A (en) 1975-09-16
FR2217487A1 (enrdf_load_stackoverflow) 1974-09-06
JPS578251B2 (enrdf_load_stackoverflow) 1982-02-16
DE2405942A1 (de) 1974-08-15
IT1004900B (it) 1976-07-20
BE810481A (fr) 1974-08-01
GB1449961A (en) 1976-09-15
FR2217487B1 (enrdf_load_stackoverflow) 1975-03-07
AR201756A1 (es) 1975-04-15

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