EP2481933A3 - Valve arrangement - Google Patents
Valve arrangement Download PDFInfo
- Publication number
- EP2481933A3 EP2481933A3 EP12152616.4A EP12152616A EP2481933A3 EP 2481933 A3 EP2481933 A3 EP 2481933A3 EP 12152616 A EP12152616 A EP 12152616A EP 2481933 A3 EP2481933 A3 EP 2481933A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- valve arrangement
- valves
- dual port
- channels
- valve
- 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.)
- Withdrawn
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
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/006—Hydraulic "Wheatstone bridge" circuits, i.e. with four nodes, P-A-T-B, and on-off or proportional valves in each link
-
- 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
- F15B2211/30575—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 in a Wheatstone Bridge arrangement (also half bridges)
-
- 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
- F15B2211/327—Directional control characterised by the type of actuation electrically or electronically
-
- 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
- F15B2211/7051—Linear output members
- F15B2211/7053—Double-acting output members
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fluid-Pressure Circuits (AREA)
- Valve Housings (AREA)
Abstract
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE1150058 | 2011-01-27 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2481933A2 EP2481933A2 (en) | 2012-08-01 |
EP2481933A3 true EP2481933A3 (en) | 2016-10-12 |
Family
ID=45507619
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12152616.4A Withdrawn EP2481933A3 (en) | 2011-01-27 | 2012-01-26 | Valve arrangement |
Country Status (1)
Country | Link |
---|---|
EP (1) | EP2481933A3 (en) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2945120A1 (en) * | 1979-11-08 | 1981-05-14 | Mogilevskij avtomobil'njy zavod imeni S.M. Kirova, Mogilev | Multi-motor hydraulic or pneumatic drive - has two mains common to all motors controlled by distributor |
SE0302743L (en) * | 2003-10-17 | 2004-10-19 | Bengt Olsson | Selector and directional device |
US20070114834A1 (en) * | 2005-08-25 | 2007-05-24 | Young Gary B | Surface sweeping machine with a dump door and chute actuating mechanism |
DE202007017130U1 (en) * | 2007-12-07 | 2008-02-28 | Festo Ag & Co. | Drive device for a pneumatic drive |
-
2012
- 2012-01-26 EP EP12152616.4A patent/EP2481933A3/en not_active Withdrawn
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2945120A1 (en) * | 1979-11-08 | 1981-05-14 | Mogilevskij avtomobil'njy zavod imeni S.M. Kirova, Mogilev | Multi-motor hydraulic or pneumatic drive - has two mains common to all motors controlled by distributor |
SE0302743L (en) * | 2003-10-17 | 2004-10-19 | Bengt Olsson | Selector and directional device |
US20070114834A1 (en) * | 2005-08-25 | 2007-05-24 | Young Gary B | Surface sweeping machine with a dump door and chute actuating mechanism |
DE202007017130U1 (en) * | 2007-12-07 | 2008-02-28 | Festo Ag & Co. | Drive device for a pneumatic drive |
Also Published As
Publication number | Publication date |
---|---|
EP2481933A2 (en) | 2012-08-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP3339516A3 (en) | System and method for control of a work vehicle | |
EP3196482A3 (en) | System for controlling the supply of hydraulic fluid to a work vehicle implement | |
WO2012166225A3 (en) | Hydraulic control system having cylinder stall strategy | |
EP2354331A3 (en) | Hydraulic drive device for hydraulic excavator | |
EP1967739A3 (en) | Device for hydraulic adjustment of the rotor blades of a wheel of an axial ventilator | |
UA106477C2 (en) | Hydraulic tool system for use with a tractor (options) | |
EP2455283A3 (en) | Hydraulic actuator for semi levered landing gear | |
WO2012015847A3 (en) | Hydraulic tool control with electronically adjustable flow | |
GB2464907A (en) | Downhole hydraulic valve systems | |
WO2013103954A3 (en) | Electro-hydraulic system with float function | |
EP2265774A4 (en) | Hydraulic load control valve device | |
WO2011074823A3 (en) | Oil control valve for the variable valve lift system | |
EP3305994A3 (en) | Control system for construction machinery and control method for construction machinery | |
WO2015000718A3 (en) | Electro-pneumatic parking brake | |
WO2016054047A3 (en) | Directional control valve | |
WO2011145892A3 (en) | Device for controlling rising velocity of actuator in heavy equipment | |
EP2604952A3 (en) | Composite valve | |
WO2013036355A3 (en) | Meterless hydraulic system having displacement control valve | |
EP2592190A3 (en) | Construction machine with hydraulic circuit | |
EP2314885A3 (en) | Hydraulic control valve | |
WO2011116910A3 (en) | Valve for alternately filling two working chambers of a piston-cylinder system of a pump | |
EP2952638A3 (en) | Hybrid construction machine | |
GB201216844D0 (en) | Control device for an extracting unit in the work face of a mine | |
EP2568133A3 (en) | Oil control valve assembly for engine cam switching | |
WO2011043867A3 (en) | Method and apparatus for controlling a variable displacement hydraulic pump |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
AX | Request for extension of the european patent |
Extension state: BA ME |
|
PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
|
AK | Designated contracting states |
Kind code of ref document: A3 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
AX | Request for extension of the european patent |
Extension state: BA ME |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: F15B 11/00 20060101AFI20160905BHEP |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 20170413 |