FI821849A0 - Hydraulisk styrventil - Google Patents

Hydraulisk styrventil

Info

Publication number
FI821849A0
FI821849A0 FI821849A FI821849A FI821849A0 FI 821849 A0 FI821849 A0 FI 821849A0 FI 821849 A FI821849 A FI 821849A FI 821849 A FI821849 A FI 821849A FI 821849 A0 FI821849 A0 FI 821849A0
Authority
FI
Finland
Prior art keywords
passage
extension
retraction
open
regenerative
Prior art date
Application number
FI821849A
Other languages
English (en)
Other versions
FI70302C (fi
FI70302B (fi
Inventor
Henry Friesen
John Rosbak
Original Assignee
Deere & 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 Deere & Co filed Critical Deere & Co
Publication of FI821849A0 publication Critical patent/FI821849A0/fi
Application granted granted Critical
Publication of FI70302B publication Critical patent/FI70302B/fi
Publication of FI70302C publication Critical patent/FI70302C/fi

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
    • F15B11/02—Systems essentially incorporating special features for controlling the speed or actuating force of an output member
    • F15B11/024—Systems essentially incorporating special features for controlling the speed or actuating force of an output member by means of differential connection of the servomotor lines, e.g. regenerative circuits
    • 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
    • F15B11/02—Systems essentially incorporating special features for controlling the speed or actuating force of an output member
    • F15B11/024—Systems essentially incorporating special features for controlling the speed or actuating force of an output member by means of differential connection of the servomotor lines, e.g. regenerative circuits
    • F15B2011/0243—Systems essentially incorporating special features for controlling the speed or actuating force of an output member by means of differential connection of the servomotor lines, e.g. regenerative circuits the regenerative circuit being activated or deactivated automatically
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/30—Directional control
    • F15B2211/305—Directional control characterised by the type of valves
    • F15B2211/30525—Directional control valves, e.g. 4/3-directional control valve
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/30—Directional control
    • F15B2211/305—Directional control characterised by the type of valves
    • F15B2211/3056—Assemblies of multiple valves
    • F15B2211/30565—Assemblies of multiple valves having multiple valves for a single output member, e.g. for creating higher valve function by use of multiple valves like two 2/2-valves replacing a 5/3-valve
    • F15B2211/3058—Assemblies of multiple valves having multiple valves for a single output member, e.g. for creating higher valve function by use of multiple valves like two 2/2-valves replacing a 5/3-valve having additional valves for interconnecting the fluid chambers of a double-acting actuator, e.g. for regeneration mode or for floating mode
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/75—Control of speed of the output member
    • 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
    • Y10T137/2544—Supply and exhaust type
    • Y10T137/2554—Reversing or 4-way valve systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Valve Device For Special Equipments (AREA)
  • Control Of Presses (AREA)
  • Actuator (AREA)
  • Hydraulic Control Valves For Brake Systems (AREA)
  • Forklifts And Lifting Vehicles (AREA)
  • Compressor (AREA)
  • External Artificial Organs (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)
FI821849A 1981-06-01 1982-05-24 Hydraulisk styrventil FI70302C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/269,110 US4397221A (en) 1981-06-01 1981-06-01 Regenerative valve
US26911081 1981-06-01

Publications (3)

Publication Number Publication Date
FI821849A0 true FI821849A0 (fi) 1982-05-24
FI70302B FI70302B (fi) 1986-02-28
FI70302C FI70302C (fi) 1986-09-15

Family

ID=23025843

Family Applications (1)

Application Number Title Priority Date Filing Date
FI821849A FI70302C (fi) 1981-06-01 1982-05-24 Hydraulisk styrventil

Country Status (8)

Country Link
US (1) US4397221A (fi)
EP (1) EP0066274B1 (fi)
AT (1) ATE15253T1 (fi)
CA (1) CA1169742A (fi)
DE (1) DE3265820D1 (fi)
ES (1) ES512689A0 (fi)
FI (1) FI70302C (fi)
ZA (1) ZA823823B (fi)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4723476A (en) * 1982-02-22 1988-02-09 The Cessna Aircraft Company Regenerative valve
US5014734A (en) * 1990-08-31 1991-05-14 Caterpillar Inc. Quick drop valve
US5251705A (en) * 1992-03-19 1993-10-12 Deere & Company Electrical trigger for quick drop valve
US5233909A (en) * 1992-07-21 1993-08-10 Decatur Cylinder, Inc. Integral regenerative fluid system
US5226348A (en) * 1992-12-14 1993-07-13 Caterpillar Inc. Electro-hydraulic quick drop circuit
US5370038A (en) * 1992-12-21 1994-12-06 Caterpillar Inc. Regeneration circuit for a hydraulic system
FR2726343B1 (fr) * 1994-10-28 1997-01-24 Kuhn Sa Valve a quatre orifices de raccordement et deux positions
US6094910A (en) * 1995-12-22 2000-08-01 Maritime Hydraulics As Apparatus and method for raising and lowering a piston in a piston cylinder arrangement in a derrick
JP3617841B2 (ja) * 1996-02-28 2005-02-09 ブーヘル・ヒドラウリクス・アクチェンゲゼルシャフト 負荷保持制動弁
US5682955A (en) * 1996-09-06 1997-11-04 Caterpillar Inc. Blade control system for an earthmoving blade
US5960814A (en) * 1997-09-12 1999-10-05 Ngt, Llc. Counter balanced locking valve
KR100611713B1 (ko) * 2004-10-14 2006-08-11 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 재생기능을 구비한 유압제어밸브
US20100090143A1 (en) * 2008-08-28 2010-04-15 Kot Norbert J Dual locking valve
US8262058B2 (en) * 2008-08-28 2012-09-11 Kot Norbert J Balanced pilot operated check valve
WO2014171953A1 (en) * 2013-04-19 2014-10-23 Cascade Corporation Clamping attachment with regenerative hydraulic circuit
US9611871B2 (en) 2013-09-13 2017-04-04 Norbert J. Kot Pneumatic valve assembly and method
US11015624B2 (en) 2016-05-19 2021-05-25 Steven H. Marquardt Methods and devices for conserving energy in fluid power production
US10914322B1 (en) 2016-05-19 2021-02-09 Steven H. Marquardt Energy saving accumulator circuit
US10550863B1 (en) 2016-05-19 2020-02-04 Steven H. Marquardt Direct link circuit

Family Cites Families (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR694928A (fr) * 1929-04-27 1930-12-09 Waterbury Tool Co Perfectionnements aux mécanismes de commande des machines-outils
US2379180A (en) * 1940-02-10 1945-06-26 Vickers Inc Hydraulic retractor control
US2267284A (en) * 1941-03-10 1941-12-23 Livers Carlos Benjamin By-pass valve
US2367682A (en) * 1943-04-09 1945-01-23 Adel Prec Products Corp Landing gear by-pass valve
US2376519A (en) * 1943-07-29 1945-05-22 French Oil Mill Machinery Valve control for presses and the like
US2694384A (en) * 1949-06-21 1954-11-16 Carroil L Evans Control mechanism for hydraulic rams with automatic and adjustable selfstopping mechanism
US2590454A (en) * 1949-09-13 1952-03-25 John S Pilch Hydraulic by-pass system and valve therefor
US2628731A (en) * 1949-09-17 1953-02-17 Bucyrus Erie Co Hydraulically operated tractor shovel
US2646025A (en) * 1951-02-07 1953-07-21 Bendix Aviat Corp By-pass valve for hydraulic motors
US2890683A (en) * 1952-02-06 1959-06-16 John S Pilch Fluid actuated control valve means for fluid motors
US3237636A (en) * 1962-01-22 1966-03-01 Hough Co Frank Controlled pressure by pass valve
US3234957A (en) * 1963-04-22 1966-02-15 Fawick Corp Adjustable, metered directional flow control arrangement
US3319653A (en) * 1963-11-21 1967-05-16 Borg Warner Flow control valves
US3267961A (en) * 1964-04-16 1966-08-23 New York Air Brake Co Valve
US3335739A (en) * 1964-12-03 1967-08-15 New York Air Brake Co Valve
US3439583A (en) * 1966-04-14 1969-04-22 Parker Hannifin Corp Flow control valve having a pressure limiting tubular valve member
US3448685A (en) * 1967-08-01 1969-06-10 Caterpillar Tractor Co Quick drop valve for bulldozer blade hydraulic controls
US3465788A (en) * 1967-09-01 1969-09-09 Koehring Co Hydraulic control valve with void prevention means
US3474708A (en) * 1968-01-17 1969-10-28 Parker Hannifin Corp Valve assembly for fluid motors and the like
US3474824A (en) * 1968-01-17 1969-10-28 Deere & Co Dump valve for hydraulic control system
US3497032A (en) * 1968-07-01 1970-02-24 Allis Chalmers Mfg Co Balanced hydraulic steering system
US3568707A (en) * 1968-12-16 1971-03-09 Int Harvester Co Quick drop valve
US3654835A (en) * 1970-05-25 1972-04-11 Ato Inc Regeneration valve
US3795177A (en) * 1971-11-04 1974-03-05 Caterpillar Tractor Co Fluid motor control circuit providing selective fast motion
JPS5730483Y2 (fi) * 1976-06-10 1982-07-05
DE2648608C3 (de) * 1976-10-27 1979-11-29 Walter Hunger Kg, 8770 Lohr Steuereinrichtung für einen Differentialzylinder
US4144947A (en) * 1976-12-10 1979-03-20 David Brown Tractors Limited Power steering systems
US4216702A (en) * 1978-05-01 1980-08-12 Eaton Yale Ltd. Pressure sensing regenerative hydraulic system

Also Published As

Publication number Publication date
DE3265820D1 (en) 1985-10-03
FI70302C (fi) 1986-09-15
ES8306235A1 (es) 1983-05-01
ATE15253T1 (de) 1985-09-15
CA1169742A (en) 1984-06-26
EP0066274B1 (de) 1985-08-28
ES512689A0 (es) 1983-05-01
US4397221A (en) 1983-08-09
EP0066274A1 (de) 1982-12-08
FI70302B (fi) 1986-02-28
ZA823823B (en) 1984-01-25

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Legal Events

Date Code Title Description
MM Patent lapsed

Owner name: DEERE & COMPANY