GB1222779A - Pressure compensated control valve - Google Patents

Pressure compensated control valve

Info

Publication number
GB1222779A
GB1222779A GB5517969A GB5517969A GB1222779A GB 1222779 A GB1222779 A GB 1222779A GB 5517969 A GB5517969 A GB 5517969A GB 5517969 A GB5517969 A GB 5517969A GB 1222779 A GB1222779 A GB 1222779A
Authority
GB
United Kingdom
Prior art keywords
passage
flow
spool
nov
maintain
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
GB5517969A
Other languages
English (en)
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.)
Koehring Co
Original Assignee
Koehring 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 Koehring Co filed Critical Koehring Co
Publication of GB1222779A publication Critical patent/GB1222779A/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
    • F15B13/0401—Valve members; Fluid interconnections therefor
    • F15B13/0402—Valve members; Fluid interconnections therefor for linearly sliding valves, e.g. spool valves
    • F15B13/0403—Valve members; Fluid interconnections therefor for linearly sliding valves, e.g. spool valves a secondary valve member sliding within the main spool, e.g. for regeneration flow
    • 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
    • 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
    • Y10T137/86493—Multi-way valve unit
    • Y10T137/86574—Supply and exhaust
    • Y10T137/8667—Reciprocating valve
    • Y10T137/86694—Piston valve
    • Y10T137/86702—With internal flow passage
    • 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
    • Y10T137/86493—Multi-way valve unit
    • Y10T137/86574—Supply and exhaust
    • Y10T137/8667—Reciprocating valve
    • Y10T137/86694—Piston valve
    • Y10T137/8671—With annular passage [e.g., spool]
    • 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
    • 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
    • Y10T137/87233—Biased 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)
  • Multiple-Way Valves (AREA)
GB5517969A 1968-11-14 1969-11-11 Pressure compensated control valve Expired GB1222779A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US77564068A 1968-11-14 1968-11-14

Publications (1)

Publication Number Publication Date
GB1222779A true GB1222779A (en) 1971-02-17

Family

ID=25105025

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5517969A Expired GB1222779A (en) 1968-11-14 1969-11-11 Pressure compensated control valve

Country Status (6)

Country Link
US (1) US3534774A (https=)
JP (1) JPS5013964B1 (https=)
DE (1) DE1956621A1 (https=)
FR (1) FR2023268A1 (https=)
GB (1) GB1222779A (https=)
SE (1) SE352412B (https=)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1301462A (https=) * 1969-01-13 1972-12-29
US3729026A (en) * 1971-05-17 1973-04-24 Koehring Co Control valve with metering type valve spool
USRE29538E (en) * 1971-09-30 1978-02-14 Load responsive fluid control valve
US3901264A (en) * 1972-03-06 1975-08-26 Gresen Manufacturing Co Adjustable flow control for hydraulic valves having high pressure main supply and controls fluid flow to cylinder and exhaust ports
US3970108A (en) * 1973-10-23 1976-07-20 Cross Manufacturing, Inc. Priority hydraulic control valve
US4003400A (en) * 1975-04-07 1977-01-18 The Boeing Company Self-depressurizing metering valve
US3994314A (en) * 1975-05-08 1976-11-30 Hartley Ezra D Servo regulator
US4245816A (en) * 1978-04-19 1981-01-20 Caterpillar Tractor Co. Flow force balanced spool valve
ZA802501B (en) * 1979-05-09 1981-04-29 Massey Ferguson Services Nv Tractor hydraulic control systems
DE3034859A1 (de) 1980-09-16 1982-04-29 Robert Bosch Gmbh, 7000 Stuttgart Hydraulisches wegeventil
EP0092074A1 (de) * 1982-04-19 1983-10-26 Deere & Company Steuerventil
US4519419A (en) * 1982-06-15 1985-05-28 Commercial Shearing, Inc. Hydraulic valves
US4416189A (en) * 1982-06-21 1983-11-22 Caterpillar Tractor Co. Fully compensated fluid control valve
JPS6051862U (ja) * 1983-09-19 1985-04-11 株式会社東芝 電磁接触器
US4693272A (en) * 1984-02-13 1987-09-15 Husco International, Inc. Post pressure compensated unitary hydraulic valve
CA1302203C (en) * 1987-10-02 1992-06-02 James Patrick Janecke Compensated individual segment flow regulator
US4889161A (en) * 1987-10-02 1989-12-26 Applied Power Inc. Compensated individual segment flow regulator
US5067389A (en) * 1990-08-30 1991-11-26 Caterpillar Inc. Load check and pressure compensating valve
US5248126A (en) * 1991-09-12 1993-09-28 Volkswagen A.G. Slide for a slide valve, and method for the manufacture thereof
FR2689575B1 (fr) * 1992-04-06 1994-07-08 Rexroth Sigma Distributeur hydraulique a compensation de pression et une selection de pression maximale pour piloter une pompe et commande hydraulique multiple incluant de tels distributeurs.
DE10041386B4 (de) * 2000-08-23 2008-08-21 Daimler Ag System zur Wirkungsgradoptimierung einer Ölversorgung
JP2004301190A (ja) * 2003-03-28 2004-10-28 Aisin Seiki Co Ltd 油圧制御装置
DE10325296A1 (de) * 2003-06-04 2004-12-23 Bosch Rexroth Ag Hydraulische Steueranordnung
JP4276491B2 (ja) * 2003-08-04 2009-06-10 日立建機株式会社 方向切換弁ブロック
JP5602074B2 (ja) * 2011-03-16 2014-10-08 カヤバ工業株式会社 制御弁
KR20160040581A (ko) * 2013-08-13 2016-04-14 볼보 컨스트럭션 이큅먼트 에이비 건설기계용 유량 제어밸브
EP2918853B1 (en) * 2014-03-11 2016-03-09 Bucher Hydraulics S.p.A. Hydraulic section for load sensing applications and multiple hydraulic distributor
EP3138964B1 (en) * 2014-04-29 2019-09-11 Volvo Construction Equipment AB Flow control valve for construction equipment
US10024445B2 (en) * 2014-06-25 2018-07-17 Parker-Hannifin Corporation Reverse flow check valve in hydraulic valve with series circuit
DE102016007754A1 (de) 2016-06-24 2018-01-11 Hydac System Gmbh Ventilvorrichtung zum Beeinflussen eines Medienstromes
CN115824480B (zh) * 2023-02-16 2023-04-18 中感(安徽)矿山技术有限公司 一种钻孔应力计的定量注油装置

Also Published As

Publication number Publication date
SE352412B (https=) 1972-12-27
US3534774A (en) 1970-10-20
DE1956621A1 (de) 1970-07-23
JPS5013964B1 (https=) 1975-05-23
FR2023268A1 (https=) 1970-08-07

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