EP2756197A1 - Fluidventilanordnung mit einem bistabilen fluidventil - Google Patents
Fluidventilanordnung mit einem bistabilen fluidventilInfo
- Publication number
- EP2756197A1 EP2756197A1 EP12762526.7A EP12762526A EP2756197A1 EP 2756197 A1 EP2756197 A1 EP 2756197A1 EP 12762526 A EP12762526 A EP 12762526A EP 2756197 A1 EP2756197 A1 EP 2756197A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- fluid
- bistable
- fluid valve
- pressure
- chamber
- 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
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
- F15B13/042—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure
-
- 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
- F15B2013/0428—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 switchable internal or external pilot pressure source
-
- 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
-
- 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
- Y10T137/7722—Line condition change responsive valves
- Y10T137/7781—With separate connected fluid reactor surface
- Y10T137/7784—Responsive to change in rate of fluid flow
-
- 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
- Y10T137/85978—With pump
- Y10T137/85986—Pumped fluid control
- Y10T137/86002—Fluid pressure responsive
- Y10T137/8601—And pilot valve
-
- 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
- Y10T137/86485—Line condition change responsive release of valve
Definitions
- the invention relates to a Fluidventiian extract with a bistable Fiuidventii for at least one Fluidieitung with an engageable in two positions for two Sc altzusiillone Ventü emotions.
- the invention has for its object to provide a bistable Fiuidventii that switch by pressure pulses or Druckfianken Lässf and otherwise has no energy requirements.
- a pressure pulse generator for Ventiiumschaitung for Umschaitung a fluid Voriauftechnisch and a Fluid-Rückiaufieeitung between two Strömungsieitonne in the flow line a pressure pulse generator for Ventiiumschaitung is provided and the Fiuidventii comprises a reversing unit, the two by a bistable proceedingsn- egg each other having separate chambers, wherein the two chambers are connected to the two flow lines and the bistable surface element is operatively coupled to the valve body for its actuation.
- the bistable surface element has the property of being able to adopt two different shapes. To change from one to the other form, a force is necessary. In the present case, the bistable surface element is subjected to pressure from one or both sides.
- the pressure difference between the two sides causes the change from one to the other form with sufficient size.
- the pressure impulse is transmitted to a first of the two chambers in the reversing unit via the pressure impulse generator in the fluid bypass, irrespective of the valve connection, via that of the two flow conduits which is connected to the preassembly.
- the pressure pulse generator can either be designed as a separate pressure pulse generator or be realized by a connected piston pump. Since the second chamber communicates with the non-pressurized return line, the pressure surge causes the bistable Fiächeiement from the first snaps into a second position and thus moves the valve body in the second position, in which now the two flow lines.
- Pressure pulse generator generates a further pressure pulse, which now acts on the second chamber in the reversing unit due to the switched valve via the second flow line, at the same time the first chamber communicates with the réelleiosen Strömungsieitung and thereby snaps the bisfabiie Fiächeiement back to its original position.
- a pressure pulse generator is provided for Venttlumscnies and the fluid valve comprises a Um- control unit, which has two separate from each other by a bistable Fiambaeneiement chambers, wherein one of the chambers communicates directly with the fluid line While the other chamber is connected via a pressure change member to the fluid line and the bistable Fiächeiement with the valve body to its actuation Wirkgekoppelf in this embodiment so both chambers are in communication with the same fluid line and the switching of the valve occurs due to occurring in the fluid line pressure flanks. Therefore, this embodiment is particularly suitable for coupling with piston or PSezopumpen.
- a rising pressure tank which acts directly on one chamber while it does not effect the second chamber in the same way via the pressure change member, creates a pressure difference between see the two chambers., Which cause a switching of the valve.
- the Druck Sungsgüed is a throttle, which causes a time delay effect of the pressure on the associated chamber
- the pressure change member can also be tuned so that the switch is controlled by a modified pressure edge profile directly through the Ruidpumpe.
- the Fiuidveniii coupled with a pulsating Fiuidpumpe and one chamber of Urn askech is directly connected to the fluid line and the other chamber via a Resonanzxohr with the Fiuid ein, wherein the resonance tube is tuned to the frequency of the Fiuidpumpe.
- the Fiuidventil initially remains in the initial position when coupled with the Ruidpumpe (piston or piezo pump). If the pump is stopped for a short time, the Fiuidklale in the resonance tube continues to vibrate and acts on the coupled chamber and thus the bistabiijes Fiächeiement and thus switches the Fiuidventil in the second position.
- the bistabiie Fiächeiement is formed kugelkalottenartig. This is a structurally simple and easy to seal round arrangement possible, which allows snapping with hysteresis.
- FIG. 1 a schematic representation of a first embodiment of a Fiuidvenills
- FIG. 2 shows a schematic representation of a second embodiment of a fluid valve FIG. 3
- a Druckverlaufsdiagramrn for the execution of Figure 2;
- Figure 4 a schematic representation of a third embodiment of a Flullventils
- FIG. 5 a pressure curve diagram for the embodiment according to FIG. 4.
- the first embodiment of a fluid valve 10a shown schematically in FIG. 1 essentially comprises a valve body 12 which has two valve body portions 14a, 14b, which effect an overflow of the fluid flow which consists of a fluid pump 18 via a check valve 17 and a valve Fluid supply line 18 and via a fluid return line 20 and another check valve 21 flows back thereto. Accordingly, the flow of fluid through the two flow lines 22a, 22b will occur either in one direction or the other direction opposite thereto.
- the fluid valve 10a comprises a control unit .24, which essentially comprises two chambers 28a, 28b, which are separated from one another by a pressure-tight manner via a bistable surface element 26, preferably of a kuge-valley-like shape.
- the two chambers 28a, 28b communicate with the flow lines 22a, 22b via connecting lines 30a, 30b.
- the pressure pulse can also be generated directly via the fluid pump, if its design permits it.
- the signal generated by the pressure pulse generator 32 is generated.
- the Fluidventll 10b differs from the above-described in that both chambers 28a, 28b are connected to the Flutd-Voriaufieitung 18, namely a chamber 28a directly via the connecting line 30, so that changes in pressure act in the feed line 18 directly in the chamber 28a and the other chamber 28b via a throttle 36, so that pressure surges arrive in the supply line 18 only delayed in the chamber 28b.
- an Urnsciens the valve body 12 is carried out at each pressure flank in the flow line 8.
- By a suitable vote of the pressure change element switching can also be done due to modified pressure flanks by the fluid idpumpe. This is illustrated in FIG. 3 as an exemplary pressure curve in the flow line 18 when using a lifting pump 16. If, starting from the position shown in FIG.
- FIG. 4 shows schematically a third embodiment of a floating valve 10c.
- the same components have the same reference numerals as in FIGS. 1 and 2.
- one chamber 28b is connected to the advancing port 18 via the connecting line 30, while the other chamber 28b is connected to the intake manifold via a resonance tube 44
- Flow line 18 is connected, wherein the resonance tube is set to a resonant frequency corresponding to the pulsation frequency of the fluid idpumpe 16.
- the fluid valve initially remains in the position shown.
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Multiple-Way Valves (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE201110113361 DE102011113361B4 (de) | 2011-09-15 | 2011-09-15 | Fluidventilanordnung mit einem bistabilen Fluidventil |
| PCT/DE2012/100237 WO2013037356A1 (de) | 2011-09-15 | 2012-08-13 | Fluidventilanordnung mit einem bistabilen fluidventil |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2756197A1 true EP2756197A1 (de) | 2014-07-23 |
| EP2756197B1 EP2756197B1 (de) | 2016-03-30 |
Family
ID=46924181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP12762526.7A Not-in-force EP2756197B1 (de) | 2011-09-15 | 2012-08-13 | Fluidventilanordnung mit einem bistabilen fluidventil |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US9488196B2 (de) |
| EP (1) | EP2756197B1 (de) |
| CN (1) | CN103827511B (de) |
| DE (1) | DE102011113361B4 (de) |
| ES (1) | ES2572106T3 (de) |
| WO (1) | WO2013037356A1 (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110081039B (zh) * | 2019-04-28 | 2020-09-04 | 深圳市中粤海洋能源科技有限公司 | 一种能量跟踪阀组及模块化洋流发电系统 |
| AT523985B1 (de) * | 2020-07-01 | 2022-11-15 | Bbg Baugeraete Gmbh | Schaltmittel für ein Arbeitsfluid |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3433257A (en) * | 1966-02-01 | 1969-03-18 | Ibm | Diaphragm type fluid logic latch |
| US3452779A (en) | 1967-08-22 | 1969-07-01 | Racine Hydraulics & Machinery | Fluidic interface valve and control system |
| IT1244021B (it) * | 1990-11-21 | 1994-06-28 | Siti | Circuito idraulico per un apparato di pressatura e apparato di pressatura impiegante il circuito idraulico |
| CN2162551Y (zh) * | 1992-09-30 | 1994-04-20 | 中国人民解放军运输工程学院 | 压力流体方向控制阀 |
| CN2238946Y (zh) * | 1995-06-29 | 1996-10-30 | 慈溪市燃气安全用具厂 | 双稳态燃气电磁阀 |
| WO1998012406A1 (en) | 1996-09-20 | 1998-03-26 | Trearc Ltd. | Fluid actuators |
| US20050183770A1 (en) | 2004-02-19 | 2005-08-25 | Robert Metzinger | Linear fluid drive system with detent |
| CN1598376A (zh) * | 2004-08-19 | 2005-03-23 | 湖南泵阀制造有限公司 | 调节换向控制阀 |
| ATE380959T1 (de) | 2005-08-31 | 2007-12-15 | Festo Ag & Co | Vorgesteuertes impulsventil |
-
2011
- 2011-09-15 DE DE201110113361 patent/DE102011113361B4/de not_active Expired - Fee Related
-
2012
- 2012-08-13 EP EP12762526.7A patent/EP2756197B1/de not_active Not-in-force
- 2012-08-13 CN CN201280045089.2A patent/CN103827511B/zh not_active Expired - Fee Related
- 2012-08-13 ES ES12762526T patent/ES2572106T3/es active Active
- 2012-08-13 US US14/345,182 patent/US9488196B2/en active Active
- 2012-08-13 WO PCT/DE2012/100237 patent/WO2013037356A1/de not_active Ceased
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2013037356A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102011113361A1 (de) | 2013-03-21 |
| DE102011113361B4 (de) | 2015-02-26 |
| CN103827511A (zh) | 2014-05-28 |
| US20140345267A1 (en) | 2014-11-27 |
| EP2756197B1 (de) | 2016-03-30 |
| US9488196B2 (en) | 2016-11-08 |
| ES2572106T3 (es) | 2016-05-30 |
| WO2013037356A1 (de) | 2013-03-21 |
| CN103827511B (zh) | 2016-06-15 |
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