FR2689575B1 - Distributeur hydraulique a compensation de pression et une selection de pression maximale pour piloter une pompe et commande hydraulique multiple incluant de tels distributeurs. - Google Patents
Distributeur hydraulique a compensation de pression et une selection de pression maximale pour piloter une pompe et commande hydraulique multiple incluant de tels distributeurs.Info
- Publication number
- FR2689575B1 FR2689575B1 FR9204183A FR9204183A FR2689575B1 FR 2689575 B1 FR2689575 B1 FR 2689575B1 FR 9204183 A FR9204183 A FR 9204183A FR 9204183 A FR9204183 A FR 9204183A FR 2689575 B1 FR2689575 B1 FR 2689575B1
- Authority
- FR
- France
- Prior art keywords
- distributors
- pump
- driving
- control including
- hydraulic control
- 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 - Lifetime
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
-
- 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
- Y10T137/87177—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)
- Control Of Positive-Displacement Pumps (AREA)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9204183A FR2689575B1 (fr) | 1992-04-06 | 1992-04-06 | Distributeur hydraulique a compensation de pression et une selection de pression maximale pour piloter une pompe et commande hydraulique multiple incluant de tels distributeurs. |
| EP93400866A EP0566449B1 (fr) | 1992-04-06 | 1993-04-02 | Distributeur hydraulique combinant la compensation de pression et la sélection de pression maximale |
| DE69301052T DE69301052T2 (de) | 1992-04-06 | 1993-04-02 | Kombiniertes hydraulisches Höchstlastdrück- und Drückkompensationsventil |
| JP07986293A JP3531949B2 (ja) | 1992-04-06 | 1993-04-06 | 圧力の補償と最大圧力の選択とを組合わせ、フィードポンプを制御する油圧方向制御弁と複数のそのような制御弁を含む多連型油圧制御装置 |
| US08/044,531 US5305789A (en) | 1992-04-06 | 1993-04-06 | Hydraulic directional control valve combining pressure compensation and maximum pressure selection for controlling a feed pump, and multiple hydraulic control apparatus including a plurality of such valves |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9204183A FR2689575B1 (fr) | 1992-04-06 | 1992-04-06 | Distributeur hydraulique a compensation de pression et une selection de pression maximale pour piloter une pompe et commande hydraulique multiple incluant de tels distributeurs. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2689575A1 FR2689575A1 (fr) | 1993-10-08 |
| FR2689575B1 true FR2689575B1 (fr) | 1994-07-08 |
Family
ID=9428538
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR9204183A Expired - Lifetime FR2689575B1 (fr) | 1992-04-06 | 1992-04-06 | Distributeur hydraulique a compensation de pression et une selection de pression maximale pour piloter une pompe et commande hydraulique multiple incluant de tels distributeurs. |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US5305789A (fr) |
| EP (1) | EP0566449B1 (fr) |
| JP (1) | JP3531949B2 (fr) |
| DE (1) | DE69301052T2 (fr) |
| FR (1) | FR2689575B1 (fr) |
Families Citing this family (70)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2694964B1 (fr) * | 1992-08-21 | 1994-11-04 | Rexroth Sigma | Circuit hydraulique de commande d'un distributeur du type à division de débit indépendant de la charge. |
| US5454223A (en) * | 1993-05-28 | 1995-10-03 | Dana Corporation | Hydraulic load sensing system with poppet valve having an orifice therein |
| DE4417962A1 (de) * | 1994-05-21 | 1995-11-23 | Rexroth Mannesmann Gmbh | Steueranordnung für wenigstens zwei hydraulische Verbraucher |
| US5579642A (en) * | 1995-05-26 | 1996-12-03 | Husco International, Inc. | Pressure compensating hydraulic control system |
| FR2744497B1 (fr) * | 1996-02-07 | 1998-04-03 | Rexroth Sigma | Dispositif de distribution hydraulique multiple |
| FR2756349B1 (fr) * | 1996-11-26 | 1999-01-22 | Mannesmann Rexroth Sa | Distributeur hydraulique avec clapet antiretour |
| CN1075171C (zh) | 1997-01-21 | 2001-11-21 | 日立建机株式会社 | 带分流阀的方向控制阀 |
| US5791142A (en) * | 1997-03-27 | 1998-08-11 | Husco International, Inc. | Hydraulic control valve system with split pressure compensator |
| DE19727881A1 (de) * | 1997-06-30 | 1999-01-07 | Rexroth Mannesmann Gmbh | Hydraulisches Wegeventil mit Druckkompensation nach dem Mengenteilerprinzip |
| JP3703265B2 (ja) * | 1997-08-26 | 2005-10-05 | カヤバ工業株式会社 | 油圧制御装置 |
| US5890362A (en) * | 1997-10-23 | 1999-04-06 | Husco International, Inc. | Hydraulic control valve system with non-shuttle pressure compensator |
| US6248929B1 (en) | 1998-01-22 | 2001-06-19 | Japan Energy Corporation | Rubber process oil and production process thereof |
| DE19828963A1 (de) | 1998-06-29 | 1999-12-30 | Mannesmann Rexroth Ag | Hydraulische Schaltung |
| DE19831595B4 (de) * | 1998-07-14 | 2007-02-01 | Bosch Rexroth Aktiengesellschaft | Hydraulische Schaltung |
| FR2784733B1 (fr) | 1998-10-20 | 2000-12-15 | Mannesmann Rexroth Sa | Dispositif hydraulique a actionnement electrique |
| DE19855187A1 (de) | 1998-11-30 | 2000-05-31 | Mannesmann Rexroth Ag | Verfahren und Steueranordnung zur Ansteuerung eines hydraulischen Verbrauchers |
| FR2787148B1 (fr) * | 1998-12-09 | 2001-02-16 | Mannesmann Rexroth Sa | Distributeur hydraulique |
| US6089248A (en) * | 1998-12-16 | 2000-07-18 | Dana Corporation | Load sense pressure controller |
| FR2788817B1 (fr) * | 1999-01-26 | 2001-04-06 | Mannesmann Rexroth Sa | Distributeur hydraulique |
| DE19904616A1 (de) * | 1999-02-05 | 2000-08-10 | Mannesmann Rexroth Ag | Steueranordnung für wenigstens zwei hydraulische Verbraucher und Druckdifferenzventil dafür |
| DE19913784A1 (de) | 1999-03-26 | 2000-09-28 | Mannesmann Rexroth Ag | Lastfühlende hydraulische Steueranordnung für eine mobile Arbeitsmaschine |
| DE19930618A1 (de) | 1999-07-02 | 2001-01-04 | Mannesmann Rexroth Ag | Hydraulische Steueranordnung zur Druckmittelversorgung von vorzugsweise mehreren hydraulischen Verbrauchern |
| DE19937224A1 (de) | 1999-08-06 | 2001-02-08 | Mannesmann Rexroth Ag | Hydraulische Steueranordnung zur bedarfstromgeregelten (load-sensing-geregelten) Druckmittelversorgung von vorzugsweise mehreren hydraulischen Verbrauchern |
| JP2001330162A (ja) | 2000-05-23 | 2001-11-30 | Hitachi Constr Mach Co Ltd | アンロード弁 |
| DE10035575A1 (de) * | 2000-07-08 | 2002-07-04 | Mannesmann Rexroth Ag | Hydraulische Steueranordnung zur Druckmittelversorgung von vorzugsweise mehreren hydraulischen Verbrauchern |
| ATE302345T1 (de) | 2000-07-08 | 2005-09-15 | Bosch Rexroth Ag | Hydraulische steueranordnung zur druckmittelversorgung von vorzugsweise mehreren hydraulischen verbrauchern |
| FR2815385B1 (fr) | 2000-10-13 | 2003-01-17 | Mannesmann Rexroth Sa | Circuit hydraulique autorisant un deplacement d'un recepteur a vitesse tres lente et distributeur hydraulique agence a cet effet |
| RU2211963C1 (ru) * | 2002-04-22 | 2003-09-10 | Открытое акционерное общество "Копейский машиностроительный завод" | Гидравлическое устройство дроссельного регулирования скорости перемещения штока гидроцилиндра |
| JP2006508311A (ja) * | 2002-11-29 | 2006-03-09 | ボッシュ レックスロス アーゲー | 油圧式デュアルサーキットシステム |
| DE10325296A1 (de) * | 2003-06-04 | 2004-12-23 | Bosch Rexroth Ag | Hydraulische Steueranordnung |
| DE10332120A1 (de) | 2003-07-15 | 2005-02-03 | Bosch Rexroth Ag | Steueranordnung und Verfahren zur Ansteuerung von wenigstens zwei hydraulischen Verbrauchern |
| US6915730B2 (en) * | 2003-08-22 | 2005-07-12 | Deere & Company | Spool-type hydraulic directional control valve having reduced cavitation |
| KR100652871B1 (ko) * | 2004-02-24 | 2006-12-06 | 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 | 건설중장비용 유량제어장치 |
| DE102006049584A1 (de) | 2006-03-13 | 2007-09-20 | Robert Bosch Gmbh | LUDV-Ventilanordnung |
| DE102006012030A1 (de) * | 2006-03-14 | 2007-09-20 | Robert Bosch Gmbh | Hydraulische Ventilanordnung |
| DE102006018706A1 (de) | 2006-04-21 | 2007-10-25 | Robert Bosch Gmbh | Hydraulische Steueranordnung |
| DK1860327T3 (da) | 2006-05-26 | 2010-04-19 | Hydrocontrol S P A | Trykkompenserende retningsbestemt styreventil |
| US7921878B2 (en) * | 2006-06-30 | 2011-04-12 | Parker Hannifin Corporation | Control valve with load sense signal conditioning |
| WO2008031483A1 (fr) | 2006-09-13 | 2008-03-20 | Robert Bosch Gmbh | Système de commande hydraulique pour l'alimentation d'un fluide sous pression régulée en fonction de la demande (régulée en fonction de la détection de la charge) de plusieurs consommateurs hydrauliques |
| DE102007029355A1 (de) | 2007-06-26 | 2009-01-02 | Robert Bosch Gmbh | Hydraulische Steueranordnung |
| DE102007029358A1 (de) | 2007-06-26 | 2009-01-02 | Robert Bosch Gmbh | Verfahren und hydraulische Steueranordnung zur Druckmittelversorgung zumindest eines hydraulischen Verbrauchers |
| DE102008018936A1 (de) * | 2008-04-15 | 2009-10-22 | Robert Bosch Gmbh | Steueranordnung zur Ansteuerung eines Wegeventils |
| DE102009021831A1 (de) | 2009-05-19 | 2010-11-25 | Robert Bosch Gmbh | Wegeventilanordnung |
| EP2547914B1 (fr) * | 2010-03-17 | 2017-01-04 | Parker-Hannifin Corporation | Soupape à commande hydraulique comprenant un limiteur de pression |
| DE102010027964A1 (de) * | 2010-04-20 | 2011-10-20 | Deere & Company | Hydraulische Anordnung |
| CN202132293U (zh) * | 2011-03-10 | 2012-02-01 | 三一重工股份有限公司 | M型机能换向阀及工程机械 |
| JP5975463B2 (ja) * | 2012-05-16 | 2016-08-23 | Kyb株式会社 | バルブ装置 |
| DE102012216252A1 (de) | 2012-09-13 | 2014-03-13 | Robert Bosch Gmbh | Hydraulische Steueranordnung und hydraulischer Antrieb mit einer derartigen Steueranordnung |
| DE102012218427A1 (de) | 2012-10-10 | 2014-04-10 | Robert Bosch Gmbh | Hydraulische Steueranordnung für einen hydraulischen Verbraucher und hydraulische Steuereinheit mit einer Mehrzahl derartiger Steueranordnungen |
| DE102013220748A1 (de) | 2013-10-15 | 2015-05-07 | Robert Bosch Gmbh | Ventilanordnung |
| DE102013223288A1 (de) | 2013-11-15 | 2015-05-21 | Robert Bosch Gmbh | Hydraulische Steueranordnung |
| EP2918853B1 (fr) * | 2014-03-11 | 2016-03-09 | Bucher Hydraulics S.p.A. | Section hydraulique pour des applications de détection de charge et de multiples distributeurs hydrauliques |
| DE102014208825A1 (de) | 2014-05-12 | 2015-11-12 | Robert Bosch Gmbh | Steueranordnung |
| DE102014226182A1 (de) | 2014-12-17 | 2016-06-23 | Robert Bosch Gmbh | Steuerventilanordnung und hydraulisches Antriebssystem damit |
| DE102015216149A1 (de) | 2015-08-25 | 2017-03-02 | Robert Bosch Gmbh | Hydraulische Steuervorrichtung mit variabler Rücklaufvorspannung |
| US10989232B2 (en) | 2015-09-18 | 2021-04-27 | Rost Innovation LLC | Control valve compensation system |
| EP3347531B8 (fr) * | 2015-09-18 | 2021-04-28 | Rost Innovation LLC | Système de compensation de soupape de commande |
| JP6773421B2 (ja) * | 2016-02-08 | 2020-10-21 | ナブテスコ株式会社 | 方向切換弁及び油圧システム |
| DE102016205582A1 (de) | 2016-04-05 | 2017-10-05 | Robert Bosch Gmbh | Hydraulische Antriebsvorrichtung mit Regenerationsbetrieb |
| FR3057309B1 (fr) * | 2016-10-10 | 2018-11-16 | Robert Bosch Gmbh | Circuit hydraulique de commande multiple |
| DE102017200418A1 (de) | 2017-01-12 | 2018-07-12 | Robert Bosch Gmbh | Ventilbaugruppe zur Zweikreis-Summierung |
| DE102017210011A1 (de) * | 2017-06-14 | 2018-12-20 | Robert Bosch Gmbh | Ventilanordnung für einen Fahrantrieb |
| DE102018212312B4 (de) * | 2018-07-24 | 2025-08-28 | Robert Bosch Gmbh | Ventilbaugruppe mit Lasthaltung, Druckwaage und Kopierventil |
| JP7139297B2 (ja) * | 2019-09-25 | 2022-09-20 | 日立建機株式会社 | 流量制御弁 |
| DE102019216771A1 (de) | 2019-10-30 | 2021-05-06 | Robert Bosch Gmbh | Hydraulische Steueranordnung zur Druckmittelversorgung wenigstens zweier hydraulischer Verbraucher |
| DE102020200412A1 (de) | 2020-01-15 | 2021-07-15 | Robert Bosch Gesellschaft mit beschränkter Haftung | Hydrostatisches Antriebssystem mit einer Druckwaage die zwei parallel wirkende Steuerflächen aufweist |
| US11680649B2 (en) * | 2020-11-16 | 2023-06-20 | Parker-Hannifin Corporstion | Proportional valve spool with linear flow gain |
| DE102021202536A1 (de) | 2021-03-16 | 2022-09-22 | Robert Bosch Gesellschaft mit beschränkter Haftung | Ventilbaugruppe zur Versorgung mehrerer Aktuatoren, wobei zumindest ein Aktuator bevorzugt versorgbar ist |
| EP4174324B1 (fr) | 2021-10-29 | 2024-11-20 | Danfoss Scotland Limited | Contrôleur et procédé pour appareil hydraulique |
| DE102023206372A1 (de) | 2023-07-05 | 2025-01-09 | Robert Bosch Gesellschaft mit beschränkter Haftung | Schieberventil mit Ringsteg im Bereich einer stetig verstellbaren Blende zur Strömungswiderstandminimierung |
Family Cites Families (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3465519A (en) * | 1967-08-18 | 1969-09-09 | Webster Electric Co Inc | Hydraulic flow controlling apparatus |
| US3534774A (en) * | 1968-11-14 | 1970-10-20 | Koehring Co | Pressure compensated control valve |
| US3827453A (en) * | 1972-05-05 | 1974-08-06 | Parker Hannifin Corp | Directional control valve |
| GB1452609A (en) * | 1973-05-15 | 1976-10-13 | Sperry Rand Ltd | Hydraulic systems |
| US3910311A (en) * | 1974-08-26 | 1975-10-07 | Koehring Co | Pressure compensated control valve |
| ZA7696B (en) * | 1975-02-06 | 1976-12-29 | Commercial Shearing | Compensated work port fluid valves and work port compensators |
| US4194532A (en) * | 1978-04-10 | 1980-03-25 | Caterpillar Tractor Co. | Control valve with bypass means |
| US4361169A (en) * | 1979-11-13 | 1982-11-30 | Commercial Shearing, Inc. | Pressure compensated control valves |
| DE3034859A1 (de) * | 1980-09-16 | 1982-04-29 | Robert Bosch Gmbh, 7000 Stuttgart | Hydraulisches wegeventil |
| US4693272A (en) * | 1984-02-13 | 1987-09-15 | Husco International, Inc. | Post pressure compensated unitary hydraulic valve |
| US4574839A (en) * | 1984-04-19 | 1986-03-11 | J. I. Case Company | Directional control valve with integral flow control valve |
| US4719753A (en) * | 1985-02-22 | 1988-01-19 | Linde Aktiengesellschaft | Slide valve for load sensing control in a hydraulic system |
| DE3507121A1 (de) * | 1985-02-28 | 1986-08-28 | Mannesmann Rexroth GmbH, 8770 Lohr | Mehrwegeventil mit druckwaage |
| DE3512014A1 (de) * | 1985-04-02 | 1986-10-02 | Robert Bosch Gmbh, 7000 Stuttgart | Hydraulische einrichtung zur auswahl und weiterleitung eines drucksignals in einem blockwegeventil |
| US4787294A (en) * | 1987-07-29 | 1988-11-29 | Hydreco, Incorporated | Sectional flow control and load check assembly |
| US5134853A (en) | 1988-05-10 | 1992-08-04 | Hitachi Construction Machinery Co., Ltd. | Hydraulic drive system for construction machines |
| JPH0786361B2 (ja) * | 1988-11-10 | 1995-09-20 | 株式会社ゼクセル | 油圧制御弁 |
| WO1991002902A1 (fr) * | 1989-08-16 | 1991-03-07 | Hitachi Construction Machinery Co., Ltd. | Dispositif de soupape et dispositif de circuit hydraulique |
| DE4005967C2 (de) * | 1990-02-26 | 1996-05-09 | Rexroth Mannesmann Gmbh | Steueranordnung für mehrere hydraulische Verbraucher |
| EP0491050B1 (fr) * | 1990-07-05 | 1995-04-26 | Hitachi Construction Machinery Co., Ltd. | Systeme de commande hydraulique et agencement de soupapes associees |
| US5067389A (en) * | 1990-08-30 | 1991-11-26 | Caterpillar Inc. | Load check and pressure compensating valve |
-
1992
- 1992-04-06 FR FR9204183A patent/FR2689575B1/fr not_active Expired - Lifetime
-
1993
- 1993-04-02 DE DE69301052T patent/DE69301052T2/de not_active Expired - Lifetime
- 1993-04-02 EP EP93400866A patent/EP0566449B1/fr not_active Expired - Lifetime
- 1993-04-06 US US08/044,531 patent/US5305789A/en not_active Expired - Lifetime
- 1993-04-06 JP JP07986293A patent/JP3531949B2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP3531949B2 (ja) | 2004-05-31 |
| EP0566449B1 (fr) | 1995-12-20 |
| JPH0658305A (ja) | 1994-03-01 |
| FR2689575A1 (fr) | 1993-10-08 |
| EP0566449A1 (fr) | 1993-10-20 |
| US5305789A (en) | 1994-04-26 |
| DE69301052D1 (de) | 1996-02-01 |
| DE69301052T2 (de) | 1996-08-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| FR2689575B1 (fr) | Distributeur hydraulique a compensation de pression et une selection de pression maximale pour piloter une pompe et commande hydraulique multiple incluant de tels distributeurs. | |
| AU691704B2 (en) | Control device for a variable displacement hydraulic pump | |
| DE69215829D1 (de) | Hydraulisches Lager mit aktiver Antischwingungsregelung | |
| FR2709791B1 (fr) | Amortisseur d'impulsions de pression de carburant pour pompe de carburant. | |
| FR2679299B1 (fr) | Dispositif de regulation de pression pour circuit hydraulique. | |
| DE69202269D1 (de) | Taumelscheiben-Kolbenhydraulikanlage. | |
| FR2614850B1 (fr) | Circuit de commande a fluide sous pression pour engin de chantier muni d'une transmission manoeuvrable par un fluide sous pression | |
| FR2718495B1 (fr) | Procédé de remplacement d'un fluide hydraulique contenu dans un circuit de commande tel qu'un circuit d'aéronef. | |
| GB2294558B (en) | Displacement control system for variable displacement type hydraulic pump | |
| IT8905203A0 (it) | Innesto particolarmente per frizione idraulica a liquido viscoso. | |
| IT8121381A0 (it) | Unita' di controllo di pressione di frenatura per un impianto frenante idraulico. | |
| GB9813543D0 (en) | Pressure control system for a variable displacement hydraulic pump | |
| FR2666132B1 (fr) | Distributeur de pression hydraulique. | |
| FR2658246B1 (fr) | Procede et dispositif pour commander une pompe d'injection de carburant controlee par vanne electromagnetique. | |
| CS118991A3 (en) | Mechanism such as an engine or a hydraulic pump driven by liquid with a plurality of rotary cylinders | |
| FR2763100B1 (fr) | By-pass de delestage pour pompe a injection directe a haute pression | |
| GB2210678B (en) | Control system for a hydraulic lift driven by a variable displacement pump | |
| EP0540284A3 (en) | Hydraulic piston pump with servo displacement control | |
| FR2738613B1 (fr) | Procede d'asservissement d'une servovalve hydraulique pouvant etre asservie en debit et en pression | |
| FR2686124B1 (fr) | Raccord rapide pour pompe a carburant. | |
| IT1228324B (it) | Unita' di comando idraulica. | |
| FR2566846B1 (fr) | Membrane pour pompe a commande ou actionnement hydraulique | |
| FR2710372B1 (fr) | Dispositif de commande hydraulique d'un vérin à double effet. | |
| ITTO920476A1 (it) | Procedimento per il controllo elettronico di un sollevatore idraulico per trattrici agricole. | |
| KR930025753U (ko) | 굴삭기의 전마력제어 유압 구동장치 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| CD | Change of name or company name | ||
| TP | Transmission of property |