HRP20230778T1 - Sklop kontrolnog ventila za neizravnu pneumatsku kontrolu i postupak za kontrolu tlaka radne tekućine - Google Patents

Sklop kontrolnog ventila za neizravnu pneumatsku kontrolu i postupak za kontrolu tlaka radne tekućine Download PDF

Info

Publication number
HRP20230778T1
HRP20230778T1 HRP20230778TT HRP20230778T HRP20230778T1 HR P20230778 T1 HRP20230778 T1 HR P20230778T1 HR P20230778T T HRP20230778T T HR P20230778TT HR P20230778 T HRP20230778 T HR P20230778T HR P20230778 T1 HRP20230778 T1 HR P20230778T1
Authority
HR
Croatia
Prior art keywords
valve
control
piston
working fluid
pressure
Prior art date
Application number
HRP20230778TT
Other languages
English (en)
Inventor
Piotr KRUPNIK
Simon Brose
Original Assignee
J. D. Neuhaus Holding Gmbh & Co. Kg
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 J. D. Neuhaus Holding Gmbh & Co. Kg filed Critical J. D. Neuhaus Holding Gmbh & Co. Kg
Publication of HRP20230778T1 publication Critical patent/HRP20230778T1/hr

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
    • 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
    • F15B13/042—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure
    • F15B13/0422—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure with manually-operated pilot valves, e.g. joysticks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
    • B66D1/28—Other constructional details
    • B66D1/40—Control devices
    • B66D1/42—Control devices non-automatic
    • B66D1/44—Control devices non-automatic pneumatic of hydraulic
    • 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
    • F15B13/042—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure
    • 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
    • F15B2013/008—Throttling member profiles
    • 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
    • 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
    • F15B2211/31—Directional control characterised by the positions of the valve element
    • F15B2211/3144—Directional control characterised by the positions of the valve element the positions being continuously variable, e.g. as realised by proportional 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/30—Directional control
    • F15B2211/32—Directional control characterised by the type of actuation
    • F15B2211/329—Directional control characterised by the type of actuation actuated by fluid pressure
    • 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
    • F15B2211/35—Directional control combined with flow control
    • F15B2211/351—Flow control by regulating means in feed line, i.e. meter-in control
    • 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
    • F15B2211/365—Directional control combined with flow control and pressure control
    • 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
    • F15B2211/40—Flow control
    • F15B2211/41—Flow control characterised by the positions of the valve element
    • F15B2211/411—Flow control characterised by the positions of the valve element the positions being discrete
    • 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
    • F15B2211/40—Flow control
    • F15B2211/415—Flow control characterised by the connections of the flow control means in the circuit
    • F15B2211/41509—Flow control characterised by the connections of the flow control means in the circuit being connected to a pressure source and a 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
    • F15B2211/40—Flow control
    • F15B2211/42—Flow control characterised by the type of actuation
    • F15B2211/428—Flow control characterised by the type of actuation actuated by fluid pressure
    • 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
    • F15B2211/705—Output members, e.g. hydraulic motors or cylinders or control therefor characterised by the type of output members or actuators
    • F15B2211/7058—Rotary output members
    • 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
    • F15B2211/80—Other types of control related to particular problems or conditions
    • F15B2211/885—Control specific to the type of fluid, e.g. specific to magnetorheological fluid
    • F15B2211/8855—Compressible fluids, e.g. specific to pneumatics

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid-Driven Valves (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Control Of Fluid Pressure (AREA)
  • Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)

Claims (10)

1. Sklop upravljačkog ventila (1) za neizravnu pneumatsku kontrolu, posebno pneumatski upravljanog lopatičnog motora dizalice, naznačeno time, da sadrži - dvije pneumatske sekvencijalno raspoređene jedinice ventila (2, 3), - jedan ulaz radne tekućine (4) i jedan ulaz kontrolne tekućine, - kanal za radnu tekućinu (6) koji povezuje ulaz radne tekućine (4) kroz dvije jedinice ventila (2, 3), s izlazom (5), - u svakom slučaju, klip ventila (9, 10) smješten unutar cilindra ventila (7, 8) prve i druge jedinice ventila (2, 3) i koji se može pomicati između otvorenog i zatvorenog položaja, - u svakom slučaju, opružni element (11, 12) koji pomiče prvi i drugi klip ventila (9, 10) prema zatvorenom položaju, - u svakom slučaju, upravljačku tlačnu komoru (13, 14) povezanu s ulazom upravljačke tekućine za primjenu upravljačkog tlaka koji se suprotstavlja tendenciji opružnog elementa (11, 12) na odgovarajući klip ventila (9, 10), pri čemu - prva ventilska jedinica (2) oblikovana je tako da kada se u prvu komoru za kontrolni tlak (13) primijeni kontrolni tlak, klip prvog ventila (9) se pomiče iz zatvorenog u otvoreni položaj, i pri čemu - dvije suprotne površine ventila (16, 17) koje su pod kutom jedna u odnosu na drugu raspoređene su na cilindru ventila (8) i klipu ventila (10) tako da se protežu duž smjera kretanja (V) u drugoj jedinici ventila (3) u području blokiranja i upravljanja (15) kanala radnog fluida (6) tako da površine ventila (16, 17) tvore otvor ventila otvoren u različitim širinama kada klip ventila (1) 0) pomiče se u cilindru ventila (8) zbog promjenjivog upravljačkog tlaka, a radni tlak se može fino podesiti prema širini otvora ventila ovisno o upravljačkom tlaku.
2. Sklop upravljačkog ventila u skladu s patentnim zahtjevom zahtjevu 1, naznačeno time, što barem površina ventila (17) klipa ventila (10) druge jedinice ventila (3) ima dva uzastopna odjeljka (A, B), pri čemu je kut (a) između površine ventila (17) klipa ventila (10) i suprotne površine ventila (16) klipa ventila (8) u prvom dijelu (A) nakon zatvorenog položaja manji od kuta ( b) površine ventila (16) klipa ventila (10) i suprotne površine ventila (16) klipa ventila (8) u drugom području (B) uz otvoreni položaj.
3. Sklop upravljačkog ventila u skladu s patentnim zahtjevom 2, naznačeno time, što je površina ventila (17) klipa ventila (10) druge jedinice ventila (3) u prvom i/ili drugom dijelu (A, B) oblikovana tako da ide linearno, pri čemu je kut (a, b) između dvije površine ventila (16, 17) između 0,1° i 10°.
4. Sklop upravljačkog ventila u skladu s patentnim zahtjevom 2, naznačeno time, što je površina ventila (17) klipa ventila (10) druge jedinice ventila (3) oblikovana da se kreće nelinearno u prvom i/ili drugom dijelu (A, B), pri čemu se kut (a, b) između dvije površine ventila (16, 17) povećava između zatvorenog i otvorenog položaja i iznosi između 0,1° i 45°.
5. Sklop upravljačkog ventila u skladu s jednim od prethodnih patentnih zahtjeva 2-4, naznačeno time, što se prvi dio (A) i/ili drugi dio (B) površine ventila (17) klipa ventila (10) druge jedinice ventila (3) proteže u svakom slučaju preko najmanje 25% maksimalnog puta podešavanja (W) klipa ventila (10) u odnosu na cilindar ventila (8).
6. Sklop upravljačkog ventila u skladu s jednim od prethodnih patentnih zahtjeva, naznačeno time, što je barem drugi klip ventila (10) oblikovan rotacijski simetrično, a odgovarajući cilindar ventila (8, 7) ima okrugli poprečni presjek tako da otvor ventila ima oblik prstenastog raspora.
7. Sklop upravljačkog ventila u skladu s jednim od prethodnih patentnih zahtjeva, naznačeno time, što je prva i/ili druga upravljačka tlačna komora (13, 14) postavljena u području kraja (E) dotičnog klipa ventila (9, 10) nasuprot opružnom elementu (11, 12), i/ili je kanal radnog fluida (6) u prvoj i/ili drugoj jedinici ventila (2, 3) postavljen između područja (F) opružni element (11, 12) i područje (S) kontrolne tlačne komore (13, 14).
8. Sklop upravljačkog ventila u skladu s jednim od prethodnih patentnih zahtjeva, naznačeno time, što je ručna upravljačka jedinica postavljena ispred ulaza za upravljačku tekućinu koja ima ručni regulator pomoću kojeg se upravljački tlak upravljačke tekućine može glatko regulirati.
9. Sklop upravljačkog ventila u skladu s jednim od prethodnih patentnih zahtjeva, naznačeno time, što ima jedan ulaz za upravljačku tekućinu koji je spojen na obje komore za upravljački tlak u unutrašnjosti sklopa upravljačkog ventila (1).
10. Postupak za regulaciju tlaka radnog fluida pomoću regulacijske tekućine u sklopu regulacijskog ventila (1) za neizravnu pneumatsku regulaciju, pri čemu sklop regulacijskog ventila (1) sadrži dvije jedinice pneumatskog ventila (2,3) raspoređene u nizu, svaka ima klip ventila (9,10) smješten unutar cilindra ventila (7,8), naznačeno time, da se sastoji od koraka: - primijenite radni tlak pomoću radne tekućine na ulaz radne tekućine (4) sklopa upravljačkog ventila (1), - kontrolirati upravljački tlak u upravljačkoj tekućini, posebno pomoću osjetljivog ventila ručne kontrole, i podvrgnuti ulaz upravljačke tekućine sklopa upravljačkog ventila (1) upravljačkom tlaku, - dovođenje kontrolne tekućine u svakom slučaju u komoru kontrolne tekućine (13, 14) prve i druge pneumatske jedinice ventila (2, 3), pri čemu kontrolna tekućina može pomaknuti klip ventila (9, 10) koji je opružnim elementom (11, 12) usmjeren prema zatvorenom položaju i smješten unutar cilindra ventila (7, 8) u otvoreni položaj, pri čemu - primjena upravljačkog tlaka u prvoj regulacijskoj tlačnoj komori (13) pomiče klip prvog ventila (9) iz zatvorenog u otvoreni položaj, pri čemu radna tekućina može teći kroz prvu, otvorenu jedinicu ventila (2) do druge jedinice ventila (3) kroz kanal radne tekućine (6) spojen na ulaz radne tekućine (4), pri čemu - primjena upravljačkog tlaka u drugoj regulacijskoj tlačnoj komori (14) uzrokuje pomicanje klipa drugog ventila (10) protiv sile opružnog elementa (12) u položaj klipa ventila (10) u cilindru ventila (8) povezan s upravljačkim tlakom između zatvorenog i otvorenog položaja, pri čemu radni fluid teče kroz kanal radnog fluida (6) u drugu jedinicu ventila (3) između dvije nasuprotne površine ventila ( 16, 17) međusobno pod kutom i protežu se duž smjera kretanja (V) na površini cilindra ventila (8) i klipa ventila (10), pri čemu se otvor ventila u kanalu radne tekućine (6) formiran između površina ventila (16, 17) može odgovarajuće fino podesiti ovisno o kontrolnom tlaku, te regulira tlak radne tekućine doveden na izlaz (5).
HRP20230778TT 2018-02-02 2019-01-30 Sklop kontrolnog ventila za neizravnu pneumatsku kontrolu i postupak za kontrolu tlaka radne tekućine HRP20230778T1 (hr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102018102397.9A DE102018102397A1 (de) 2018-02-02 2018-02-02 Steuerventilanordnung zur indirekten pneumatischen Steuerung
EP19704558.6A EP3746662B1 (de) 2018-02-02 2019-01-30 Steuerventilanordnung zur indirekten pneumatischen steuerung und verfahren zum steuern eines arbeitsfluiddrucks
PCT/EP2019/052247 WO2019149751A1 (de) 2018-02-02 2019-01-30 Steuerventilanordnung zur indirekten pneumatischen steuerung und verfahren zum steuern eines arbeitsfluiddrucks

Publications (1)

Publication Number Publication Date
HRP20230778T1 true HRP20230778T1 (hr) 2023-10-27

Family

ID=65365928

Family Applications (1)

Application Number Title Priority Date Filing Date
HRP20230778TT HRP20230778T1 (hr) 2018-02-02 2019-01-30 Sklop kontrolnog ventila za neizravnu pneumatsku kontrolu i postupak za kontrolu tlaka radne tekućine

Country Status (13)

Country Link
US (1) US11493061B2 (hr)
EP (1) EP3746662B1 (hr)
CN (1) CN111742151B (hr)
AU (1) AU2019216277B2 (hr)
CA (1) CA3089166A1 (hr)
DE (1) DE102018102397A1 (hr)
ES (1) ES2954844T3 (hr)
HR (1) HRP20230778T1 (hr)
HU (1) HUE063189T2 (hr)
PL (1) PL3746662T3 (hr)
RS (1) RS64404B1 (hr)
RU (1) RU2020128699A (hr)
WO (1) WO2019149751A1 (hr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102021121466A1 (de) * 2021-08-18 2023-02-23 J.D. Neuhaus Holding Gmbh & Co. Kg Handsteuerung zur indirekten Steuerung eines fluidbetriebenen Hebezeugs sowie fluidbetriebenes Hebezeug

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH386855A (it) * 1961-02-13 1965-01-15 Amour Alessandro Dispositivo di servocomando idraulico
US3457837A (en) 1966-07-11 1969-07-29 Zimmerman D W Mfg Controller for pneumatically-operated hoists
US3584539A (en) 1968-05-10 1971-06-15 Emerson Electric Co Fluid motor control system and supply and control valve therefor
NL7611360A (en) * 1976-10-14 1978-04-18 Duesterloh Gmbh Ship boarding equipment for pilots - has compressed-air winch controlled only from deck but stoppable from load-supporting frame
DE2741943C2 (de) 1977-09-17 1985-09-12 Schmidt, Kranz & Co Gmbh, Zweigniederlassung Maschinenbau, 3421 Zorge Absenkvorrichtung
NL8201638A (nl) * 1982-04-20 1983-11-16 Jacobus Hendrikus Van Leusden Hijswerktuig.
DE3345587A1 (de) * 1983-12-16 1985-06-27 J.D. Neuhaus, 5810 Witten Pneumatische steuervorrichtung fuer ein pneumatikaggregat
US4798126A (en) * 1987-03-23 1989-01-17 Caterpillar Inc. Load responsive system using load responsive pump control of a bypass type
US5454400A (en) * 1992-07-14 1995-10-03 Rodgers; Michael F. Zero leakage directional control valve
DE19522746A1 (de) * 1995-06-22 1997-01-02 Bosch Gmbh Robert Elektrohydraulische Steuereinrichtung für einen doppeltwirkenden Verbraucher
US6470912B1 (en) * 2000-04-20 2002-10-29 Arlington Automatics, Inc. Dual-spool hydraulic directional valve
DE10109206B4 (de) * 2001-02-26 2004-12-09 Rexroth Mecman Gmbh Mehrwegeventil zum Schalten eines Druckmittelflusses mit paralleverlaufenden Ventilbohrungen
DE10134972A1 (de) 2001-07-24 2003-02-20 Demag Cranes & Components Gmbh Durchlassventil für Strömungsmedium, insbesondere ein pneumatisches Drosselventil
EP1872018B1 (de) * 2005-04-20 2008-08-06 Bucher Hydraulics AG Steuerventil für einen hydromotor
US7841841B2 (en) * 2007-08-23 2010-11-30 Honeywell International Inc. Flow prioritizing valve system
DE102011122637A1 (de) * 2011-12-23 2013-06-27 Wabco Gmbh Ventilbaueinheit mit Anschlüssen für wenigstens zwei unterschiedliche Druckmedien
CN103277539B (zh) * 2013-05-27 2015-03-18 闫华明 多功能气动阀
DE202015003307U1 (de) * 2015-05-05 2015-08-06 Wilhelm Krämer Pneumatische Steuerung mit Druckluftrückführung
CA2939372A1 (en) * 2015-08-20 2017-02-20 Parker-Hannifin Corporation Spool valve with special metering configuration for hydraulic valve main control speed
US10215304B2 (en) * 2015-10-08 2019-02-26 Regents Of The University Of Minnesota Three-way control valve
FR3050508B1 (fr) * 2016-04-21 2018-10-05 Safran Aircraft Engines Tiroir pour vanne de circuit de carburant d'un moteur d'aeronef
FR3050509B1 (fr) * 2016-04-21 2018-04-06 Safran Aircraft Engines Tiroir pour vanne de circuit de carburant d'un moteur d'aeronef
US10247315B2 (en) * 2016-10-18 2019-04-02 Caterpillar Inc. Spool for hydraulic valve
CN206940312U (zh) * 2017-05-23 2018-01-30 中船澄西新荣船舶有限公司 一种用于控制气动葫芦的系统

Also Published As

Publication number Publication date
AU2019216277A1 (en) 2020-08-06
AU2019216277B2 (en) 2024-05-09
CA3089166A1 (en) 2019-08-08
US20200392972A1 (en) 2020-12-17
EP3746662C0 (de) 2023-06-07
RS64404B1 (sr) 2023-08-31
PL3746662T3 (pl) 2023-10-30
CN111742151A (zh) 2020-10-02
DE102018102397A1 (de) 2019-08-08
CN111742151B (zh) 2023-02-03
EP3746662A1 (de) 2020-12-09
US11493061B2 (en) 2022-11-08
WO2019149751A1 (de) 2019-08-08
ES2954844T3 (es) 2023-11-27
RU2020128699A (ru) 2022-03-02
HUE063189T2 (hu) 2023-12-28
EP3746662B1 (de) 2023-06-07

Similar Documents

Publication Publication Date Title
JP5592641B2 (ja) 電気油圧ポペットパイロット弁によって操作されるポペット弁
US7475537B2 (en) Maintaining the position of an electro-hydraulic servo valve controlled device upon loss of position command
RU2011130534A (ru) Клапанный узел
US9933085B2 (en) Integrating valve with soft start
HRP20230778T1 (hr) Sklop kontrolnog ventila za neizravnu pneumatsku kontrolu i postupak za kontrolu tlaka radne tekućine
MX2019010463A (es) Valvula reductora de presion con cierre.
WO2021002907A3 (en) Piezoelectric ring bender servo valve assembly for aircraft flight control actuation and fuel control systems
EP3513266B1 (en) Flowrate stabilising monoblock cartridge for hydraulic valves
EP3159190A1 (en) Valve arrangement
FI126224B (en) Pressure valve and method for adjusting the pressure valve
EP2730822A3 (de) Regulierventil für die Regulierung eines Hydraulikvolumenstroms
US1153850A (en) Valve for automatically stopping the supply of liquid to pipes upon breaking of the latter.
RU2018126520A (ru) Способы и устройства для независимого управления усилиями для посадки в поворотных клапанах
DE102005014866A1 (de) Anordnung zur feinfühligen Steuerung von hydraulischen Verbrauchern
DE2601055A1 (de) Aus druckregler und magnetventil bestehendes kombinationsventil
US1602209A (en) Variable-pressure regulator
EP1970787A3 (de) Druckregel-Sitzventil
DE10228510B4 (de) Ventil für einen Türschließer
RU2355014C1 (ru) Регулятор давления
HRP20240006T1 (hr) Pištolj za umetanje s ventilom za izmjenu
EP0295466A3 (de) Ventil zur Regelung der Öltemperatur eines Triebwerks
RU2355929C1 (ru) Клапан запорно-регулирующий
DE102005014418A1 (de) Hydraulisches Steuerventil
WO2018108347A1 (de) Schieberventil
RU41502U1 (ru) Устройство для изменения расхода жидкости