IT1011773B - PRIORITY SYSTEM FOR HYDRAULIC CIRCUITS OF THE TYPE IN SERIES PAR TICULARLY ON VEHICLES - Google Patents

PRIORITY SYSTEM FOR HYDRAULIC CIRCUITS OF THE TYPE IN SERIES PAR TICULARLY ON VEHICLES

Info

Publication number
IT1011773B
IT1011773B IT6829474A IT6829474A IT1011773B IT 1011773 B IT1011773 B IT 1011773B IT 6829474 A IT6829474 A IT 6829474A IT 6829474 A IT6829474 A IT 6829474A IT 1011773 B IT1011773 B IT 1011773B
Authority
IT
Italy
Prior art keywords
vehicles
series
type
hydraulic circuits
priority system
Prior art date
Application number
IT6829474A
Other languages
Italian (it)
Original Assignee
Caterpillar Tractor Co
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 Caterpillar Tractor Co filed Critical Caterpillar Tractor Co
Application granted granted Critical
Publication of IT1011773B publication Critical patent/IT1011773B/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
    • F15B13/022—Flow-dividers; Priority valves
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/2496—Self-proportioning or correlating systems
    • Y10T137/2559—Self-controlled branched flow systems
    • Y10T137/2574—Bypass or relief controlled by main line fluid condition
    • Y10T137/2605—Pressure responsive
    • Y10T137/2617—Bypass or relief valve biased open

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Power Steering Mechanism (AREA)
  • Forklifts And Lifting Vehicles (AREA)
  • Servomotors (AREA)
IT6829474A 1973-05-10 1974-04-24 PRIORITY SYSTEM FOR HYDRAULIC CIRCUITS OF THE TYPE IN SERIES PAR TICULARLY ON VEHICLES IT1011773B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US35919573 US3811363A (en) 1973-05-10 1973-05-10 Priority system for series-type hydraulic circuits

Publications (1)

Publication Number Publication Date
IT1011773B true IT1011773B (en) 1977-02-10

Family

ID=23412736

Family Applications (1)

Application Number Title Priority Date Filing Date
IT6829474A IT1011773B (en) 1973-05-10 1974-04-24 PRIORITY SYSTEM FOR HYDRAULIC CIRCUITS OF THE TYPE IN SERIES PAR TICULARLY ON VEHICLES

Country Status (11)

Country Link
US (1) US3811363A (en)
JP (1) JPS5827401B2 (en)
AU (1) AU473658B2 (en)
BE (1) BE813740A (en)
BR (1) BR7403229D0 (en)
CA (1) CA990621A (en)
DE (1) DE2419917C2 (en)
FR (1) FR2228972B1 (en)
GB (1) GB1426699A (en)
IT (1) IT1011773B (en)
ZA (1) ZA742641B (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1106733A (en) * 1977-07-13 1981-08-11 Clark Equipment Company Pressure control mechanism for a grapple skidder
US4206689A (en) * 1977-08-22 1980-06-10 Caterpillar Tractor Co. Priority system
US4355565A (en) * 1980-03-24 1982-10-26 Caterpillar Tractor Co. Fluid circuit with zero leak load check and by-pass valve
US4343151A (en) * 1980-05-16 1982-08-10 Caterpillar Tractor Co. Series - parallel selector for steering and implement
DE3243726C2 (en) * 1982-11-26 1989-06-08 Paul 4740 Oelde Hammelmann High pressure plunger pump
US4773216A (en) * 1985-01-22 1988-09-27 Kanzaki Kokykoki Mfg. Co. Ltd. Flow divider valve for hydraulic system in working vehicles
US6018895A (en) * 1996-03-28 2000-02-01 Clark Equipment Company Valve stack in a mini-excavator directing fluid under pressure from multiple pumps to actuable elements
AU720849B2 (en) * 1996-03-28 2000-06-15 Clark Equipment Company Multifunction valve stack
US5826487A (en) * 1997-02-20 1998-10-27 Caterpillar Inc. Pressure control for a pair of parallel hydraulic circuits
JP2005153703A (en) * 2003-11-26 2005-06-16 Kanzaki Kokyukoki Mfg Co Ltd Hydraulic driving type four-wheel drive working vehicle being fuselage bending type
CN108557714B (en) * 2018-07-11 2019-12-20 宁波管通机械有限公司 Explosion-proof type fork truck hydraulic line tee bend connects

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3364821A (en) * 1963-06-27 1968-01-23 Gen Motors Corp Valving for hydraulic power brake system
DE1507172B2 (en) * 1966-10-28 1977-03-17 Robert Bosch Gmbh, 7000 Stuttgart PRESSURIZED DRIVE DEVICE
DE1918989A1 (en) * 1969-04-15 1970-11-05 Krupp Gmbh Hydrostatic drive, especially for crane, luffing and hoisting gear
BE755815A (en) * 1969-09-08 1971-02-15 Clark Equipment Co HYDRAULIC SYSTEM OF A LIFT TRUCK
US3633617A (en) * 1970-01-28 1972-01-11 Parker Hannifin Corp Fluid system and valve assembly therefor
US3713296A (en) * 1972-02-15 1973-01-30 D Black Hydraulic system for individually controlling a plurality of hydraulic motors

Also Published As

Publication number Publication date
CA990621A (en) 1976-06-08
GB1426699A (en) 1976-03-03
AU6818674A (en) 1975-10-23
JPS5018876A (en) 1975-02-27
JPS5827401B2 (en) 1983-06-09
US3811363A (en) 1974-05-21
BE813740A (en) 1974-08-16
DE2419917C2 (en) 1985-07-25
AU473658B2 (en) 1976-07-01
ZA742641B (en) 1975-06-25
FR2228972A1 (en) 1974-12-06
FR2228972B1 (en) 1977-03-04
BR7403229D0 (en) 1974-11-19
DE2419917A1 (en) 1974-12-05

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