BE819721A - Circuit hydraulique a commande flottante actionnable selectivement - Google Patents
Circuit hydraulique a commande flottante actionnable selectivementInfo
- Publication number
- BE819721A BE819721A BE148361A BE148361A BE819721A BE 819721 A BE819721 A BE 819721A BE 148361 A BE148361 A BE 148361A BE 148361 A BE148361 A BE 148361A BE 819721 A BE819721 A BE 819721A
- Authority
- BE
- Belgium
- Prior art keywords
- hydraulic circuit
- floating control
- control selectively
- selectively actionable
- actionable
- Prior art date
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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fluid-Pressure Circuits (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US395647A US3908515A (en) | 1973-09-10 | 1973-09-10 | Hydraulic circuit with selectively actuatable float control |
Publications (1)
Publication Number | Publication Date |
---|---|
BE819721A true BE819721A (fr) | 1975-03-10 |
Family
ID=23563901
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE148361A BE819721A (fr) | 1973-09-10 | 1974-09-10 | Circuit hydraulique a commande flottante actionnable selectivement |
Country Status (6)
Country | Link |
---|---|
US (1) | US3908515A (fr) |
JP (1) | JPS5535563B2 (fr) |
BE (1) | BE819721A (fr) |
BR (1) | BR7406750D0 (fr) |
CA (1) | CA1025326A (fr) |
ZA (1) | ZA744408B (fr) |
Families Citing this family (42)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4018350A (en) * | 1975-03-17 | 1977-04-19 | Pettibone Corporation | Hydraulic cyliner systems with safeguarded float action |
US4128047A (en) * | 1975-08-14 | 1978-12-05 | Textron Inc. | Actuator with locking valves |
FR2360801A1 (fr) * | 1976-04-30 | 1978-03-03 | Ppm Sa | Dispositif de controle de la mise en communication de deux enceintes et suspension de vehicule en faisant application |
US4039085A (en) * | 1976-06-10 | 1977-08-02 | Koehring Company | Crane with a pivoted boom and a float valve therefor |
US4165675A (en) * | 1977-04-07 | 1979-08-28 | Caterpillar Tractor Co. | Load check valve cylinder mounted |
US4130049A (en) * | 1977-04-07 | 1978-12-19 | Caterpillar Tractor Co. | Vent control for cylinder mounted load check valves |
US4167892A (en) * | 1977-04-07 | 1979-09-18 | Caterpillar Tractor Co. | Load check with mechanical venting means |
US4170246A (en) * | 1977-05-23 | 1979-10-09 | Sta-Rite Industries, Inc. | Pilot operator valve |
JPS56501057A (fr) * | 1979-08-30 | 1981-07-30 | ||
FI60429C (fi) * | 1980-06-05 | 1982-01-11 | Tampella Oy Ab | Hydraulisk kolvcylinderanordning med sitt ventilorgan |
US4417502A (en) * | 1980-11-17 | 1983-11-29 | Dresser Industries, Inc. | Load supporting hydraulic circuit with emergency automatic load restraint |
US4367673A (en) * | 1981-01-09 | 1983-01-11 | Dresser Industries, Inc. | System and method for controlling the elevation of a boom hoist device |
DE3225536A1 (de) * | 1982-07-08 | 1984-01-12 | Wabco Westinghouse Fahrzeugbremsen GmbH, 3000 Hannover | Pneumatische tuerbetaetigungsanlage |
WO1993013319A1 (fr) * | 1982-10-25 | 1993-07-08 | Blake William W | Systeme de commande hydraulique pour deux actionneurs independants |
US4761953A (en) * | 1984-04-18 | 1988-08-09 | Dynamic Hydraulic Systems, Inc. | Hydraulic elevator mechanism |
DE3611212C1 (de) * | 1986-04-04 | 1987-06-11 | Ernst Dipl-Ing Korthaus | Steuerung fuer Hydraulikzylinder als Antriebe fuer Kolbenpumpen |
DE3613747A1 (de) * | 1986-04-23 | 1987-10-29 | Concordia Fluidtechnik Gmbh | 5/3-ventil |
US4761954A (en) * | 1987-03-16 | 1988-08-09 | Dynamic Hydraulic Systems, Inc. | Fork-lift system |
DE3739525A1 (de) * | 1987-11-21 | 1989-06-01 | Orenstein & Koppel Ag | Planierfahrzeug |
AT388483B (de) * | 1988-03-30 | 1989-06-26 | Steyr Daimler Puch Ag | Hubstange zur verbindung der hubarme mit den unterlenkern bei einem hydraulischen schlepperhubwerk |
JPH0454352Y2 (fr) * | 1989-08-29 | 1992-12-21 | ||
DE9005983U1 (de) * | 1990-05-26 | 1991-09-19 | Robert Bosch Gmbh, 7000 Stuttgart | Steuereinrichtung für einen Arbeitszylinder |
AT402334B (de) * | 1991-03-20 | 1997-04-25 | Hoerbiger Gmbh | Hydraulische zylinder/kolben-anordnung |
FR2684066B1 (fr) * | 1991-11-26 | 1994-01-07 | Messier Bugatti | Systeme d'actionnement du verin de manóoeuvre d'un train d'atterrissage d'avion. |
DE59305912D1 (de) * | 1993-02-02 | 1997-04-24 | Putzmeister Maschf | Verfahren zum fördern von vorzerkleinerten metallschrott oder dergleichen festkörper enthaltenden dickstoffen |
NL9500181A (nl) * | 1995-02-01 | 1996-09-02 | Applied Power Inc | Besturings- en bedieningssysteem, in het bijzonder voor een hydraulische aandrijfelement van een vouwdakinstallatie van een voertuig. |
JP3778634B2 (ja) * | 1996-11-22 | 2006-05-24 | Smc株式会社 | パイロットチェック弁付スピードコントローラ |
US6293181B1 (en) | 1998-04-16 | 2001-09-25 | Caterpillar Inc. | Control system providing a float condition for a hydraulic cylinder |
DE19919014C2 (de) * | 1999-04-27 | 2001-03-01 | Danfoss Fluid Power As Nordbor | Hydraulikventil mit einer Verriegelungs- und einer Schwimmfunktion |
US6691604B1 (en) * | 1999-09-28 | 2004-02-17 | Caterpillar Inc | Hydraulic system with an actuator having independent meter-in meter-out control |
US6477937B1 (en) * | 1999-12-13 | 2002-11-12 | Aladdin Engineering & Manufacturing | Valve arrangement including release valve |
DE20118067U1 (de) * | 2001-11-08 | 2002-01-17 | Knopff, Dieter, 38388 Twieflingen | Sperrventilanordnung und Steuerventil mit einer derartigen Sperrventilanordnung |
KR100849500B1 (ko) * | 2006-11-29 | 2008-07-31 | 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 | 플로팅 기능이 구비된 더블 체크밸브 |
DE102007032415B3 (de) * | 2007-07-12 | 2009-04-02 | Sauer-Danfoss Aps | Hydraulische Ventilanordnung |
KR100915206B1 (ko) * | 2007-09-20 | 2009-09-02 | 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 | 플로팅 기능이 구비된 더블 체크밸브 |
FR2933471B1 (fr) * | 2008-07-03 | 2013-02-15 | Vianney Rabhi | Vanne electro-hydraulique a levee de bille pour centrale hydraulique de moteur a taux de compression variable |
US8333218B2 (en) * | 2010-01-27 | 2012-12-18 | Mac Valves, Inc. | Proportional pressure controller |
CN102859080B (zh) * | 2010-05-18 | 2015-05-06 | 沃尔沃建造设备有限公司 | 用于施工设备的双止回阀 |
US20120152629A1 (en) * | 2010-12-15 | 2012-06-21 | Mather Daniel T | Hydraulic system having load lock valve |
US9429174B1 (en) * | 2013-03-15 | 2016-08-30 | Clark Equipment Company | Enabling valve having separate float and lift down positions |
IT201900005056A1 (it) * | 2019-04-04 | 2020-10-04 | Nem S R L | Circuito idraulico di azionamento per macchina operatrice con articolazione meccanica dotata di funzione flottante. |
US12085099B1 (en) * | 2020-06-18 | 2024-09-10 | Vacuworx Global, LLC | Flow control block for use with a vacuum material handler |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2517164A (en) * | 1947-02-19 | 1950-08-01 | Bruno F Arps | Two-speed hydraulic ram |
JPS4423873Y1 (fr) * | 1965-05-12 | 1969-10-08 | ||
US3381587A (en) * | 1965-09-10 | 1968-05-07 | Deere & Co | Hydraulic control system |
US3274902A (en) * | 1965-10-22 | 1966-09-27 | Deere & Co | Hydraulic control system |
CH492885A (de) * | 1968-08-17 | 1970-06-30 | Herion Werke Kg | Sicherheitssteuerung, insbesondere eines Pressenantriebes |
US3558102A (en) * | 1969-01-10 | 1971-01-26 | William M Cruse | Theater stage set control system |
US3543647A (en) * | 1969-05-02 | 1970-12-01 | Deere & Co | Control valve means for a two-way hydraulic cylinder |
US3608431A (en) * | 1969-07-14 | 1971-09-28 | Lummus Industries | Control system for the ram of vertically disposed fluid pressure cylinders |
DE2048421C3 (de) * | 1970-10-02 | 1979-08-09 | Danfoss A/S, Nordborg (Daenemark) | Ventilanordnung für hydraulische Lenkvorrichtungen |
-
1973
- 1973-09-10 US US395647A patent/US3908515A/en not_active Expired - Lifetime
-
1974
- 1974-03-11 JP JP2728974A patent/JPS5535563B2/ja not_active Expired
- 1974-07-05 CA CA204,191A patent/CA1025326A/fr not_active Expired
- 1974-07-09 ZA ZA00744408A patent/ZA744408B/xx unknown
- 1974-08-15 BR BR6750/74A patent/BR7406750D0/pt unknown
- 1974-09-10 BE BE148361A patent/BE819721A/fr not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
ZA744408B (en) | 1975-08-27 |
BR7406750D0 (pt) | 1975-09-09 |
JPS5535563B2 (fr) | 1980-09-16 |
AU7175074A (en) | 1976-01-29 |
US3908515A (en) | 1975-09-30 |
CA1025326A (fr) | 1978-01-31 |
JPS5054778A (fr) | 1975-05-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE | Patent lapsed |
Owner name: CATERPILLAR INC. Effective date: 19870930 |