CA990621A - Priority system for series-type hydraulic circuits - Google Patents

Priority system for series-type hydraulic circuits

Info

Publication number
CA990621A
CA990621A CA197,783A CA197783A CA990621A CA 990621 A CA990621 A CA 990621A CA 197783 A CA197783 A CA 197783A CA 990621 A CA990621 A CA 990621A
Authority
CA
Canada
Prior art keywords
series
type hydraulic
hydraulic circuits
priority system
priority
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
CA197,783A
Inventor
John R. Cryder
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.)
Caterpillar Inc
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 CA990621A publication Critical patent/CA990621A/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
    • 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
CA197,783A 1973-05-10 1974-04-18 Priority system for series-type hydraulic circuits Expired CA990621A (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
CA990621A true CA990621A (en) 1976-06-08

Family

ID=23412736

Family Applications (1)

Application Number Title Priority Date Filing Date
CA197,783A Expired CA990621A (en) 1973-05-10 1974-04-18 Priority system for series-type hydraulic circuits

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
AU473658B2 (en) 1976-07-01
DE2419917A1 (en) 1974-12-05
JPS5018876A (en) 1975-02-27
FR2228972A1 (en) 1974-12-06
AU6818674A (en) 1975-10-23
ZA742641B (en) 1975-06-25
DE2419917C2 (en) 1985-07-25
BR7403229D0 (en) 1974-11-19
US3811363A (en) 1974-05-21
FR2228972B1 (en) 1977-03-04
IT1011773B (en) 1977-02-10
BE813740A (en) 1974-08-16
JPS5827401B2 (en) 1983-06-09
GB1426699A (en) 1976-03-03

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