GB1295154A - - Google Patents

Info

Publication number
GB1295154A
GB1295154A GB1295154DA GB1295154A GB 1295154 A GB1295154 A GB 1295154A GB 1295154D A GB1295154D A GB 1295154DA GB 1295154 A GB1295154 A GB 1295154A
Authority
GB
United Kingdom
Prior art keywords
spool
passage
pump
motor
valve member
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
Other languages
English (en)
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 filed Critical
Publication of GB1295154A publication Critical patent/GB1295154A/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
    • F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
    • F15B13/0416—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor with means or adapted for load sensing
    • F15B13/0417—Load sensing elements; Internal fluid connections therefor; Anti-saturation or pressure-compensation valves
    • 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
    • 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
    • Y10T137/2579—Flow rate responsive
    • Y10T137/2587—Bypass or relief valve biased open
    • 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
    • Y10T137/8593—Systems
    • Y10T137/87169—Supply and exhaust
    • Y10T137/87177—With bypass
    • Y10T137/87185—Controlled by supply or exhaust valve

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid-Pressure Circuits (AREA)
GB1295154D 1969-07-08 1970-06-22 Expired GB1295154A (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US83984469A 1969-07-08 1969-07-08

Publications (1)

Publication Number Publication Date
GB1295154A true GB1295154A (fi) 1972-11-01

Family

ID=25280768

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1295154D Expired GB1295154A (fi) 1969-07-08 1970-06-22

Country Status (5)

Country Link
US (1) US3602104A (fi)
CA (1) CA922204A (fi)
DE (1) DE2033430A1 (fi)
FR (1) FR2054624B1 (fi)
GB (1) GB1295154A (fi)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2141524A (en) * 1983-06-13 1984-12-19 Koehring Co Sectional valve with independent pump and function control spools

Families Citing this family (44)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA974856A (en) * 1971-12-27 1975-09-23 Caterpillar Tractor Co. All hydraulic motor grader circuitry
JPS4884924A (fi) * 1972-02-16 1973-11-10
GB1417606A (en) * 1972-02-24 1975-12-10 Daikin Ind Ltd Fluid controlling apparatus
JPS5613204B2 (fi) * 1972-03-02 1981-03-26
JPS5613205B2 (fi) * 1972-03-07 1981-03-26
JPS559563B2 (fi) * 1972-03-07 1980-03-11
JPS4894017A (fi) * 1972-03-13 1973-12-04
JPS48100731A (fi) * 1972-04-03 1973-12-19
JPS559564B2 (fi) * 1972-04-03 1980-03-11
US3827453A (en) * 1972-05-05 1974-08-06 Parker Hannifin Corp Directional control valve
US3965921A (en) * 1972-06-08 1976-06-29 Abex Corporation Controlled opening pressure compensated flow control valve
US3782404A (en) * 1972-06-14 1974-01-01 Commercial Shearing Adjustable, metered, directional flow control arrangements
US3796134A (en) * 1972-12-06 1974-03-12 Midland Ross Corp Hydraulic booster brake mechanism
US3815477A (en) * 1973-02-06 1974-06-11 Cross Mfg Inc Control valve instrumentality
JPS5647401B2 (fi) * 1973-07-31 1981-11-10
US3881512A (en) * 1973-09-21 1975-05-06 Koehring Co Hydraulic control valve and pressure compensating mechanism therefor
US3934742A (en) * 1973-12-26 1976-01-27 Hydraulic Industries, Inc. Valve mechanism for automatic control of a number of fluid motors
JPS5330630Y2 (fi) * 1974-01-17 1978-07-31
US3911942A (en) * 1974-03-28 1975-10-14 Gen Signal Corp Compensated multifunction hydraulic system
US3908375A (en) * 1974-09-25 1975-09-30 Gen Signal Corp Hydraulic load sensitive pressure and flow compensating system
US3968813A (en) * 1974-10-09 1976-07-13 Olmsted Products Company Flow shut off valve
JPS5148829A (ja) * 1974-10-23 1976-04-27 Kawasaki Heavy Ind Ltd Atsuryokuhoshotsukimaruchikontoroorubarubu
JPS5157030A (en) * 1974-11-14 1976-05-19 Uchida Yuatsu Kiki Kogyo Kk Ryuryo oyobi haiatsuoseigyosurukirikaebensochi
JPS5159183A (ja) * 1974-11-21 1976-05-24 Daikin Ind Ltd Ekiatsuseigyosochi
CA1030040A (en) * 1975-01-13 1978-04-25 Commercial Shearing Compensated work port fluid valves
DE2514624C3 (de) * 1975-04-03 1986-10-23 Danfoss A/S, Nordborg Steuereinrichtung für mindestens einen hydraulisch betriebenen doppeltwirkenden Verbraucher
JPS5239081A (en) * 1975-09-22 1977-03-26 Hitachi Constr Mach Co Ltd Oil pressure circuit for controlling speed
JPS5272074A (en) * 1975-12-06 1977-06-16 Kawasaki Heavy Ind Ltd Multicontrol valve available pressure compensation
JPS52114865A (en) * 1976-03-23 1977-09-27 Nippon Air Brake Co Flow divider for multiple type direction shifting valve
US4109561A (en) * 1976-11-26 1978-08-29 Caterpillar Tractor Co. Control valve arrangement with a preconditioned relief valve and a flow force compensated valve spool
JPS5824642Y2 (ja) * 1978-04-13 1983-05-27 内田油圧機器工業株式会社 流量及び背圧を制御する切換弁装置
US4253482A (en) * 1979-03-05 1981-03-03 Gresen Manufacturing Company Hydraulic valve having pressure compensated demand flow
US4336687A (en) * 1980-04-21 1982-06-29 Eaton Corporation Load sensing controller
FR2517791B1 (fr) * 1981-12-03 1986-02-28 Rexroth Sigma Perfectionnements apportes aux distributeurs hydrauliques
DE3241751C2 (de) * 1982-11-11 1985-10-03 Danfoss A/S, Nordborg Prioritätsventil für hydraulische Anlagen
DE3505623A1 (de) * 1985-02-19 1986-08-21 Robert Bosch Gmbh, 7000 Stuttgart Hydraulisches wegeventil fuer eine lastdruckkompensierte steuerung
US4779419A (en) * 1985-11-12 1988-10-25 Caterpillar Inc. Adjustable flow limiting pressure compensated flow control
JPH07103882B2 (ja) * 1989-03-22 1995-11-08 株式会社小松製作所 圧力補償付液圧弁
US10800086B2 (en) * 2013-08-26 2020-10-13 Palo Alto Research Center Incorporated Co-extrusion of periodically modulated structures
JP6338428B2 (ja) * 2014-04-11 2018-06-06 Ｋｙｂ株式会社 バルブ構造
US10323762B2 (en) * 2016-04-21 2019-06-18 Parker-Hannifin Corporation Three-way pressure control and flow regulator valve
DK4019786T3 (da) 2020-12-28 2024-02-05 Danfoss Power Solutions Zhejiang Co Ltd Flervejsbelastningsventilarbejdssektion
CN113624523B (zh) * 2021-06-21 2024-06-25 广州市科叶环保科技有限公司 一种水泵寿命可靠性加速测试方法
SE546159C2 (en) * 2022-01-10 2024-06-11 Parker Hannifin Emea Sarl A valve arrangement and a hydraulic actuator contol circuit

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2487520A (en) * 1944-12-26 1949-11-08 Vickers Inc Hydraulic power transmission with bypass flow control valve
US2549979A (en) * 1946-03-30 1951-04-24 Vickers Inc Power transmission
US2729233A (en) * 1950-08-03 1956-01-03 Ford Motor Co Hydraulic relief valve
US2757641A (en) * 1951-10-29 1956-08-07 Bendix Aviat Corp Hydraulic selector valve with automatic hold and return
DE1120229B (de) * 1958-04-03 1961-12-21 New York Air Brake Internation Entlastungseinrichtung fuer ein von einer Pumpe gespeistes und mittels eines Steuerschiebers mit mittlerer Schliessstellung steuerbares System
US3216446A (en) * 1963-02-05 1965-11-09 Parker Hannifin Corp Spool valve assembly with dual check valve assembly
US3234957A (en) * 1963-04-22 1966-02-15 Fawick Corp Adjustable, metered directional flow control arrangement
US3308844A (en) * 1964-10-02 1967-03-14 Gresen Mfg Company Control apparatus
US3411416A (en) * 1965-01-29 1968-11-19 Eton Yale & Towne Inc Adjustable, metered, directional flow control arrangement
US3456671A (en) * 1966-04-14 1969-07-22 Parker Hannifin Corp Directional control valve
US3455210A (en) * 1966-10-26 1969-07-15 Eaton Yale & Towne Adjustable,metered,directional flow control arrangement
US3398649A (en) * 1966-11-16 1968-08-27 Borg Warner Hydraulic control system
US3470694A (en) * 1968-04-30 1969-10-07 Weatherhead Co Flow proportional valve for load responsive system
US3477347A (en) * 1968-05-17 1969-11-11 Gen Signal Corp Hydraulic power circuit affording parallel regeneration paths

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2141524A (en) * 1983-06-13 1984-12-19 Koehring Co Sectional valve with independent pump and function control spools

Also Published As

Publication number Publication date
FR2054624A1 (fi) 1971-04-23
DE2033430A1 (de) 1971-01-14
FR2054624B1 (fi) 1976-03-05
US3602104A (en) 1971-08-31
CA922204A (en) 1973-03-06

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee