CA951225A - Power system for construction machinery - Google Patents

Power system for construction machinery

Info

Publication number
CA951225A
CA951225A CA139,092,A CA139092A CA951225A CA 951225 A CA951225 A CA 951225A CA 139092 A CA139092 A CA 139092A CA 951225 A CA951225 A CA 951225A
Authority
CA
Canada
Prior art keywords
power system
construction machinery
machinery
construction
power
Prior art date
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
CA139,092,A
Other versions
CA139092S (en
Inventor
Ram N. Rathi
John T. Hornagold
Lyle D. Grider
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.)
Bucyrus Erie Company of Canada Ltd
Original Assignee
Bucyrus Erie Company of Canada Ltd
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 Bucyrus Erie Company of Canada Ltd filed Critical Bucyrus Erie Company of Canada Ltd
Application granted granted Critical
Publication of CA951225A publication Critical patent/CA951225A/en
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
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
    • F15B11/17—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors using two or more pumps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C13/00—Other constructional features or details
    • B66C13/18—Control systems or devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C2700/00—Cranes
    • B66C2700/06—Cranes in which the lifting movement is done with a hydraulically controlled plunger

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid-Pressure Circuits (AREA)
CA139,092,A 1971-04-14 1972-04-06 Power system for construction machinery Expired CA951225A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US13379971A 1971-04-14 1971-04-14

Publications (1)

Publication Number Publication Date
CA951225A true CA951225A (en) 1974-07-16

Family

ID=22460355

Family Applications (1)

Application Number Title Priority Date Filing Date
CA139,092,A Expired CA951225A (en) 1971-04-14 1972-04-06 Power system for construction machinery

Country Status (4)

Country Link
US (1) US3686862A (en)
CA (1) CA951225A (en)
DE (1) DE2218423A1 (en)
GB (1) GB1348461A (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3922855A (en) * 1971-12-13 1975-12-02 Caterpillar Tractor Co Hydraulic circuitry for an excavator
US3962870A (en) * 1975-04-23 1976-06-15 International Harvester Company Variable volume dual pump circuit
FR2437512A1 (en) * 1978-09-28 1980-04-25 Ppm Sa Rotatable joint for multiple hydraulic circuits - has parallel holes in inner cylinder connected to grooves in outer sleeve
ATA309488A (en) * 1988-12-20 1990-09-15 Palfinger Ag LOADING CRANE
JP3980123B2 (en) * 1996-04-26 2007-09-26 マニタウォック クレイン カンパニーズ インコーポレイテッド Boom hoist cylinder crane
JP3681833B2 (en) * 1996-09-19 2005-08-10 ヤンマー株式会社 Hydraulic circuit of excavating and turning work machine
US6481202B1 (en) 1997-04-16 2002-11-19 Manitowoc Crane Companies, Inc. Hydraulic system for boom hoist cylinder crane
JP4290861B2 (en) * 2000-07-28 2009-07-08 コベルコクレーン株式会社 Crane hydraulic circuit
US7347688B2 (en) * 2004-04-15 2008-03-25 Cadent Ltd. Dental targetting device and method
CN102788055B (en) * 2012-08-07 2015-03-25 徐工集团工程机械股份有限公司 Hydraulic system of wrecker
CN104555766B (en) * 2015-01-12 2016-08-24 徐州徐工随车起重机有限公司 A kind of folding arm lorry-mounted crane hydraulic control moment limiting system
CN104847726B (en) * 2015-04-17 2017-01-18 徐州徐工随车起重机有限公司 Terminal removing type moment limiting valve and hydraulic-control moment limiting system with the same
CN104847725B (en) * 2015-04-17 2017-05-24 徐州徐工随车起重机有限公司 Novel torque limiting valve and hydraulic-control torque limiting system with novel torque limiting valve
CN108571489B (en) * 2018-07-06 2021-08-03 江苏军源装备制造有限公司 Hydraulic valve for vehicle steering control
CN110482084B (en) * 2019-08-20 2021-11-19 长沙中联重科环境产业有限公司 Garbage compactor
IT202000002881A1 (en) * 2020-02-13 2021-08-13 Seppi M S P A System for operating at least two users by means of a hydraulic motor

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2643515A (en) * 1950-10-17 1953-06-30 Chester A Harsch Electric control system for expansible motor operated boom
US2768499A (en) * 1953-04-20 1956-10-30 John S Pilch Hydraulic system comprising multiple pump and ram units
US2977769A (en) * 1956-07-09 1961-04-04 J H Holan Corp Control for mobile aerial tower
US3550506A (en) * 1969-05-09 1970-12-29 Grove Mfg Co Controls for outrigger assemblies of mobile cranes and the like

Also Published As

Publication number Publication date
US3686862A (en) 1972-08-29
DE2218423A1 (en) 1972-11-02
GB1348461A (en) 1974-03-20
AU4097572A (en) 1973-04-19

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