CA1093425A - Counterbalance valve - Google Patents

Counterbalance valve

Info

Publication number
CA1093425A
CA1093425A CA329,581A CA329581A CA1093425A CA 1093425 A CA1093425 A CA 1093425A CA 329581 A CA329581 A CA 329581A CA 1093425 A CA1093425 A CA 1093425A
Authority
CA
Canada
Prior art keywords
fluid
port
valve
cylinder
load
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
CA329,581A
Other languages
English (en)
French (fr)
Inventor
Constantine Kosarzecki
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.)
Modular Controls Corp
Original Assignee
Modular Controls Corp
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 Modular Controls Corp filed Critical Modular Controls Corp
Application granted granted Critical
Publication of CA1093425A publication Critical patent/CA1093425A/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
    • F15B13/01—Locking-valves or other detent i.e. load-holding devices
    • 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)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Safety Valves (AREA)
  • Fluid-Pressure Circuits (AREA)
CA329,581A 1978-07-27 1979-06-12 Counterbalance valve Expired CA1093425A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/928,545 US4223693A (en) 1978-07-27 1978-07-27 Counterbalance valve
US928,545 1978-07-27

Publications (1)

Publication Number Publication Date
CA1093425A true CA1093425A (en) 1981-01-13

Family

ID=25456396

Family Applications (1)

Application Number Title Priority Date Filing Date
CA329,581A Expired CA1093425A (en) 1978-07-27 1979-06-12 Counterbalance valve

Country Status (5)

Country Link
US (1) US4223693A (en, 2012)
EP (1) EP0007712B1 (en, 2012)
JP (1) JPS5520987A (en, 2012)
CA (1) CA1093425A (en, 2012)
DE (1) DE2964528D1 (en, 2012)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2469597A1 (fr) * 1979-11-09 1981-05-22 Bennes Marrel Valve de freinage perfectionnee pour les circuits hydrauliques
US4336826A (en) * 1980-05-02 1982-06-29 Fluid Controls, Inc. Control valve
DE3042277A1 (de) * 1980-11-08 1982-06-03 Robert Bosch Gmbh, 7000 Stuttgart Steuervorrichtung fuer einen hydraulischen arbeitszylinder
US4577463A (en) * 1981-08-26 1986-03-25 Equipment Company Of America Pallet truck with hydraulic lift
US4567911A (en) * 1981-10-26 1986-02-04 Equipment Company Of America Cartridge type directional control valve
US4965825A (en) 1981-11-03 1990-10-23 The Personalized Mass Media Corporation Signal processing apparatus and methods
US5083892A (en) * 1982-09-28 1992-01-28 Standard Manufacturing Company Aerial weapons handling trailer
US4526344A (en) * 1982-09-28 1985-07-02 Standard Manufacturing Co., Inc. Auxiliary lift adapter
US4522548A (en) * 1982-09-28 1985-06-11 Standard Manufacturing Co., Inc. Aerial weapons handling trailer
US4625944A (en) * 1984-03-16 1986-12-02 Standard Manufacturing Company, Inc. Safety device for lifting apparatus
DE3683666D1 (de) * 1985-04-11 1992-03-12 Beringer Hydraulik Gmbh Leckfreies brems-sperrventil.
US5230364A (en) * 1991-04-06 1993-07-27 Vickers, Incorporated Pressure relief valve
JP2541424Y2 (ja) * 1992-04-24 1997-07-16 株式会社 神崎高級工機製作所 車両用油圧伝動装置の油圧制御装置
DE4221988A1 (de) * 1992-07-04 1994-01-05 Teves Gmbh Alfred Elektromagnetventil
US5546980A (en) * 1995-02-02 1996-08-20 Kosarzecki; Constantine Floating cage cartridge valve and knob
DE19631625C2 (de) * 1996-08-05 1999-10-21 Brueninghaus Hydromatik Gmbh Hydraulikventil mit Druckbegrenzungs- und Einspeisefunktion
DE29716577U1 (de) * 1997-09-15 1997-11-13 Heilmeier & Weinlein Fabrik für Oel-Hydraulik GmbH & Co KG, 81673 München Lasthalteventil
US5918635A (en) * 1997-10-08 1999-07-06 Vickers, Incorporated Low pressure solenoid valve
CN102996556A (zh) * 2012-12-04 2013-03-27 怀特(中国)驱动产品有限公司 直动式液压螺纹插装平衡阀
DE102017208029A1 (de) * 2017-05-12 2018-11-15 Robert Bosch Gmbh Variabler einstellbarer Störfalldämpfer für ein Hubwerk und Hubwerk
US11035482B2 (en) * 2019-01-31 2021-06-15 Scott Dale Follett Pressure relief valve
CN113418024B (zh) * 2021-06-16 2022-10-14 太原理工大学 一种电液比例节流流量复合控制方向阀

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2667896A (en) * 1950-10-20 1954-02-02 Borg Warner Unloading valve
US2698730A (en) * 1951-06-13 1955-01-04 C O Two Fire Equipment Co Fire extinguisher valve operable by back pressure
FR1074657A (fr) * 1951-11-27 1954-10-07 Borg Warner Perfectionnements relatifs aux installations de commande de l'énergie hydraulique
US3015316A (en) * 1959-01-08 1962-01-02 William Waterman Counterbalance valves and the like
US3382771A (en) * 1966-09-12 1968-05-14 Cascade Corp Load release inhibitor for load-handling apparatus
US3595264A (en) * 1970-01-09 1971-07-27 Parker Hannifin Corp Load control and holding valve
US3665810A (en) * 1970-01-14 1972-05-30 Koehring Co Differential pressure holding valve
US4026192A (en) * 1971-11-12 1977-05-31 Atlas Copco Aktiebolag Motor driven by a pressurized fluid medium for operating an impacting tool in a linear direction
US3795255A (en) * 1972-01-10 1974-03-05 Parker Hannifin Corp Load control and holding valve
US3799032A (en) * 1972-01-17 1974-03-26 Omark Industries Inc Safety holding valve rod eye assembly
FR2187086A5 (en, 2012) * 1972-05-31 1974-01-11 Poclain Sa
CH543028A (de) * 1972-11-09 1973-10-15 Beringer Hydraulik Gmbh Hydraulisches Senkbrems-Sperrventil
US3955478A (en) * 1973-10-29 1976-05-11 Dresser Industries, Inc. Hydraulically powered percussion drill
GB1431599A (en) * 1973-10-31 1976-04-07 Dewandre Co Ltd C Hydraulic cab-tilting systems
JPS5137251U (en, 2012) * 1974-09-11 1976-03-19

Also Published As

Publication number Publication date
JPS6145103B2 (en, 2012) 1986-10-06
US4223693A (en) 1980-09-23
JPS5520987A (en) 1980-02-14
DE2964528D1 (en) 1983-02-24
EP0007712B1 (en) 1983-01-19
EP0007712A1 (en) 1980-02-06

Similar Documents

Publication Publication Date Title
CA1093425A (en) Counterbalance valve
US5593007A (en) Shock absorber with third fluid chamber
US4621695A (en) Balance line hydraulically operated well safety valve
US3942551A (en) Hydraulic damping means for hinged check valve
US4662616A (en) Combined check and exhaust valve for high pressure gas spring
US6351944B1 (en) Hydraulic control mechanism for a mobile machine tool, especially a wheel loader, for damping longitudinal oscillations
EP0118615B1 (en) Pump arrangement in a piston for a linear fluid operated device
US4307874A (en) Gas spring with means for retaining piston adjacent one terminal position
US4727792A (en) Hydraulic holding valve
US4506751A (en) Tilt cab truck with anti-dive and anti-sway control
JPS5816910A (ja) 車両サスペンション装置の自動ポンピングストラット
US4317524A (en) Hydraulic cranes
US6322058B1 (en) Air suspension apparatus
US4111283A (en) Regulator valve
US4724864A (en) Two-way flow control valve
FI71079C (fi) Anordning med oeverlastningsskydd vid en kross
US4844554A (en) Empty-load valve device
RU2020320C1 (ru) Амортизатор с регулируемой силой гидродемпфирования
GB2118275A (en) Rapid closing safety relief valve
US5560792A (en) Device to equalize the pressure in tires
US3677142A (en) Expansible chamber device with internal accumulator
US3025702A (en) Auxiliary hoist control
JPH01502840A (ja) 手動操作用油圧単ピストンポンプ
JPS6138286B2 (en, 2012)
JPH0154202B2 (en, 2012)

Legal Events

Date Code Title Description
MKEX Expiry