FR2918684B1 - HYDRAULIC CONTROL CIRCUIT OF A DOUBLE-EFFECTIVE LIFTING JACK - Google Patents
HYDRAULIC CONTROL CIRCUIT OF A DOUBLE-EFFECTIVE LIFTING JACKInfo
- Publication number
- FR2918684B1 FR2918684B1 FR0704986A FR0704986A FR2918684B1 FR 2918684 B1 FR2918684 B1 FR 2918684B1 FR 0704986 A FR0704986 A FR 0704986A FR 0704986 A FR0704986 A FR 0704986A FR 2918684 B1 FR2918684 B1 FR 2918684B1
- Authority
- FR
- France
- Prior art keywords
- double
- control circuit
- hydraulic control
- lifting jack
- effective lifting
- 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.)
- Active
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/22—Hydraulic or pneumatic drives
- E02F9/2203—Arrangements for controlling the attitude of actuators, e.g. speed, floating function
- E02F9/2207—Arrangements for controlling the attitude of actuators, e.g. speed, floating function for reducing or compensating oscillations
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/22—Hydraulic or pneumatic drives
- E02F9/2217—Hydraulic or pneumatic drives with energy recovery arrangements, e.g. using accumulators, flywheels
-
- 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
- F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
- F15B1/02—Installations or systems with accumulators
- F15B1/021—Installations or systems with accumulators used for damping
-
- 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
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/008—Reduction of noise or vibration
-
- 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
- F15B2211/60—Circuit components or control therefor
- F15B2211/625—Accumulators
-
- 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
- F15B2211/86—Control during or prevention of abnormal conditions
- F15B2211/8613—Control during or prevention of abnormal conditions the abnormal condition being oscillations
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Fluid-Pressure Circuits (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0704986A FR2918684B1 (en) | 2007-07-10 | 2007-07-10 | HYDRAULIC CONTROL CIRCUIT OF A DOUBLE-EFFECTIVE LIFTING JACK |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0704986A FR2918684B1 (en) | 2007-07-10 | 2007-07-10 | HYDRAULIC CONTROL CIRCUIT OF A DOUBLE-EFFECTIVE LIFTING JACK |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2918684A1 FR2918684A1 (en) | 2009-01-16 |
FR2918684B1 true FR2918684B1 (en) | 2012-08-03 |
Family
ID=38988097
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR0704986A Active FR2918684B1 (en) | 2007-07-10 | 2007-07-10 | HYDRAULIC CONTROL CIRCUIT OF A DOUBLE-EFFECTIVE LIFTING JACK |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2918684B1 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2952139B1 (en) * | 2009-10-30 | 2011-12-09 | Mailleux | CONTROL CIRCUIT FOR A HYDRAULIC ACTUATOR AND MACHINE EQUIPPED WITH SUCH CIRCUIT. |
US20120251283A1 (en) * | 2009-12-17 | 2012-10-04 | Volvo Compact Equipment Sas | Construction equipment machine with improved boom suspension |
WO2019210341A1 (en) | 2018-05-04 | 2019-11-07 | Palfinger Ag | Hydraulic system |
IT202000018778A1 (en) * | 2020-07-31 | 2022-01-31 | Cnh Ind Italia Spa | METHOD AND SYSTEM FOR IMPLEMENTING AN ARM OF A WORK VEHICLE |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3122246A (en) * | 1960-11-09 | 1964-02-25 | Caterpillar Tractor Co | Hydraulic circuit for tractor mounted loaders |
DE19913784A1 (en) * | 1999-03-26 | 2000-09-28 | Mannesmann Rexroth Ag | Load-sensing hydraulic control arrangement for a mobile machine |
US6357230B1 (en) * | 1999-12-16 | 2002-03-19 | Caterpillar Inc. | Hydraulic ride control system |
EP1657213B1 (en) * | 2004-11-12 | 2008-01-02 | Parker Hannifin Aktiebolag | Ride control system |
EP1733996B1 (en) * | 2005-06-15 | 2009-03-11 | Bosch Rexroth Oil Control S.p.A. | A hydraulic apparatus for raising and lowering an arm hinged to a work vehicle |
ITTO20050629A1 (en) * | 2005-09-15 | 2007-03-16 | Cnh Italia Spa | HYDRAULIC ARRANGEMENT FOR A RAISED LIFTING ARM WITH A VEHICLE |
-
2007
- 2007-07-10 FR FR0704986A patent/FR2918684B1/en active Active
Also Published As
Publication number | Publication date |
---|---|
FR2918684A1 (en) | 2009-01-16 |
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Legal Events
Date | Code | Title | Description |
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TP | Transmission of property | ||
PLFP | Fee payment |
Year of fee payment: 10 |
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Year of fee payment: 14 |
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Year of fee payment: 16 |
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PLFP | Fee payment |
Year of fee payment: 17 |