CN103671320A - 电动液压控制阀 - Google Patents
电动液压控制阀 Download PDFInfo
- Publication number
- CN103671320A CN103671320A CN201310428798.5A CN201310428798A CN103671320A CN 103671320 A CN103671320 A CN 103671320A CN 201310428798 A CN201310428798 A CN 201310428798A CN 103671320 A CN103671320 A CN 103671320A
- Authority
- CN
- China
- Prior art keywords
- magnet valves
- pressure chamber
- pressure
- valves
- magnet
- 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.)
- Granted
Links
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
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- 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
- F15B13/043—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 electrically-controlled pilot valves
- F15B13/0433—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 electrically-controlled pilot valves the pilot valves being pressure control valves
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- 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
- F15B2211/355—Pilot 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
- F15B2211/60—Circuit components or control therefor
- F15B2211/635—Circuits providing pilot pressure to pilot pressure-controlled fluid circuit elements
- F15B2211/6355—Circuits providing pilot pressure to pilot pressure-controlled fluid circuit elements having valve means
-
- 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
- F15B2211/875—Control measures for coping with failures
- F15B2211/8752—Emergency operation mode, e.g. fail-safe operation mode
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- 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
- Y10T137/86493—Multi-way valve unit
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
Description
Claims (10)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP12006652.7 | 2012-09-21 | ||
EP12006652.7A EP2711561B1 (en) | 2012-09-21 | 2012-09-21 | Electrohydraulic control valve arrangement |
Publications (2)
Publication Number | Publication Date |
---|---|
CN103671320A true CN103671320A (zh) | 2014-03-26 |
CN103671320B CN103671320B (zh) | 2016-11-30 |
Family
ID=
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4870892A (en) * | 1988-02-16 | 1989-10-03 | Danfoss A/S | Control means for a hydraulic servomotor |
US5313873A (en) * | 1991-10-12 | 1994-05-24 | Mercedes-Benz Ag | Device for controlling the flow of fluid to a fluid unit |
DE19932326A1 (de) * | 1999-07-10 | 2001-01-11 | Mannesmann Rexroth Ag | Ventilanordnung zur Vorsteuerung eines ersten und eines zweiten hydraulisch betägigbaren Wegeventils |
DE102005043458A1 (de) * | 2005-09-13 | 2007-03-15 | Sauer-Danfoss Aps | Elektrohydraulisches Steuerventil |
CN101675252A (zh) * | 2007-01-26 | 2010-03-17 | 沃尔沃建筑设备公司 | 用于操作工具的液压电路 |
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4870892A (en) * | 1988-02-16 | 1989-10-03 | Danfoss A/S | Control means for a hydraulic servomotor |
US5313873A (en) * | 1991-10-12 | 1994-05-24 | Mercedes-Benz Ag | Device for controlling the flow of fluid to a fluid unit |
DE19932326A1 (de) * | 1999-07-10 | 2001-01-11 | Mannesmann Rexroth Ag | Ventilanordnung zur Vorsteuerung eines ersten und eines zweiten hydraulisch betägigbaren Wegeventils |
DE102005043458A1 (de) * | 2005-09-13 | 2007-03-15 | Sauer-Danfoss Aps | Elektrohydraulisches Steuerventil |
CN101675252A (zh) * | 2007-01-26 | 2010-03-17 | 沃尔沃建筑设备公司 | 用于操作工具的液压电路 |
Non-Patent Citations (1)
Title |
---|
仲崇生: "《机械设计基础》", 31 August 2011, article "机械设计基础", pages: 177 * |
Also Published As
Publication number | Publication date |
---|---|
US20140083538A1 (en) | 2014-03-27 |
EP2711561A1 (en) | 2014-03-26 |
US9500292B2 (en) | 2016-11-22 |
EP2711561B1 (en) | 2019-08-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C53 | Correction of patent of invention or patent application | ||
CB02 | Change of applicant information |
Address after: Fort Hood Applicant after: Danfoss Energy Systems Inc Address before: Fort Hood Applicant before: Sauer Danfoss Aps |
|
COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: SAUER DANFOSS APS TO: DANFOSS ENERGY SYSTEM INC. |
|
C53 | Correction of patent of invention or patent application | ||
CB02 | Change of applicant information |
Address after: Fort Hood Applicant after: Danfoss Power Solutions Co., Ltd. Address before: Fort Hood Applicant before: Danfoss Energy Systems Inc |
|
COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: DANFOSS ENERGY SYSTEM INC. TO: DANFOSS POWER SOLUTIONS CO., LTD. |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant |