EP2950323A2 - Agencement, en particulier contrôleur de débit - Google Patents
Agencement, en particulier contrôleur de débit Download PDFInfo
- Publication number
- EP2950323A2 EP2950323A2 EP15020045.9A EP15020045A EP2950323A2 EP 2950323 A2 EP2950323 A2 EP 2950323A2 EP 15020045 A EP15020045 A EP 15020045A EP 2950323 A2 EP2950323 A2 EP 2950323A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- control
- magnet
- arrangement
- arrangement according
- control element
- 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
- 238000012544 monitoring process Methods 0.000 title 1
- 239000012530 fluid Substances 0.000 claims abstract description 65
- 230000008878 coupling Effects 0.000 claims description 16
- 238000010168 coupling process Methods 0.000 claims description 16
- 238000005859 coupling reaction Methods 0.000 claims description 16
- 238000007654 immersion Methods 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 description 12
- 238000004140 cleaning Methods 0.000 description 8
- 230000004044 response Effects 0.000 description 5
- 239000007788 liquid Substances 0.000 description 3
- 235000014676 Phragmites communis Nutrition 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910001047 Hard ferrite Inorganic materials 0.000 description 1
- 229910052779 Neodymium Inorganic materials 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000003746 feather Anatomy 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H35/00—Switches operated by change of a physical condition
- H01H35/24—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow
- H01H35/38—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow actuated by piston and cylinder
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H35/00—Switches operated by change of a physical condition
- H01H35/24—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow
- H01H35/40—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow actuated by devices allowing continual flow of fluid, e.g. vane
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H36/00—Switches actuated by change of magnetic field or of electric field, e.g. by change of relative position of magnet and switch, by shielding
- H01H36/0073—Switches actuated by change of magnetic field or of electric field, e.g. by change of relative position of magnet and switch, by shielding actuated by relative movement between two magnets
Definitions
- the present invention relates to an arrangement according to the preamble of claim 1 or 12.
- the present invention relates to arrangements, such as flow monitors, pressure switches and valves, in particular so-called unloader valves, in which an arranged in a fluid path or responsive to a fluid flow or a fluid pressure control element is electrically magnetically coupled to an associated switch, in particular so that the switch depending on the position of the control switches or the control controls the switch or operated magnetically.
- the DE 102 24 142 A1 discloses a flow switch for a high pressure cleaning system.
- a plunger is disposed in a rectilinear tube and carries a control magnet.
- the plunger is linearly movable together with the control magnet depending on the fluid flow.
- Outside a microswitch is arranged with a arranged on a rocker switching magnet.
- the solenoid is pivotable about an axis transverse to the tube axis or axis of movement of the control magnet.
- the magnetic interaction or coupling causes the microswitch in dependence can be switched from the position of the plunger. Difficult here is the achievement of a good magnetic coupling and a good response at the same time good fluid management in particular low pressure losses.
- the present invention has for its object to provide an arrangement, in particular a flow monitor or a valve, in particular with a magnetically controlled switch, with a very good or strong magnetic coupling, a defined switching behavior or response and / or an optimized fluid management are possible ,
- the proposed arrangement has a control responsive to fluid flow or fluid pressure and / or disposed in a fluid path.
- the control is, in particular, a valve element, a piston or the like.
- the proposed arrangement preferably has an electrical switch, in particular a microswitch.
- the control element is associated with a control magnet and the switch with a switching magnet, in particular so that the switch can be controlled by the control element, particularly preferably as a function of a position or position of the control element.
- control magnet is preferably designed as a ring magnet.
- Such magnets are particularly suitable for a coaxial arrangement of the magnets and / or are conducive to a strong magnetic coupling, so that in particular a defined switching behavior is supported or enabled.
- the switching magnet is preferably only linearly movable. This in turn is conducive to a strong magnetic coupling of the magnet and / or a defined switching behavior.
- the switching magnet preferably acts via a sliding contact on a lever of the switch. This is conducive to a strong magnetic coupling of the magnets, in particular since this allows a very fluid-near arrangement of the switching magnet and / or facilitates a pure linear movement of the switching magnet.
- the arrangement or the switch in particular micro-switch, a lever for actuating the switch.
- the solenoid or an associated or associated switch plunger or such a shift rod or a correspondingly assigned and actuated by the solenoid switching part acts on the lever to actuate the switch.
- the offset or distance of the pivot point of the lever of the switch to the point of application of the switching plunger or switching part or the switching rod or the switching magnet on the lever determine with which force the switch is actuated.
- the behavior can be adjusted via the articulation or size of the lever.
- the fluid flow is preferably deflected in the assembly, or the fluid path is preferably angled. This is conducive to a preferred coaxial arrangement and / or axial or linearly movable guidance of the control element and / or control magnet without having to limit or constrict the fluid flow or flow excessively.
- the arrangement has a preferably hollow cylindrical wall, wherein the control magnet outside and the shift magnet are arranged inside. This is conducive to a very strong magnetic coupling of the magnets and / or a defined switching behavior, wherein in particular a compact construction is made possible.
- This structure allows the switch to be switched without passing moving parts such as a switch plunger or a shift rod or a switch member through seals and sealing.
- a movement of the control element or the control magnet is preferably fluidically damped or damped by immersion in a dead volume.
- the control element is preferably movable between a control position and a working position and vice versa, wherein in both positions (end positions) in each case a fluid flow is still possible.
- the housing part preferably has at least two areas with different inner diameters, in particular so that a narrower gap is formed in the control position and a larger gap is formed between the control element and the housing part or the respective area in the working position. In a simple way, fluid flows of different sizes are realized in the two positions or positions of the control element.
- an intermediate region is arranged between the regions, which has an even smaller inner diameter.
- a very defined switching behavior or response can be realized with a simple structure. This is advantageous in particular for flow monitors or the like.
- the control is also commonly referred to as a float.
- Fig. 1 shows in a schematic section a first embodiment of a proposed arrangement 1, which is assigned in particular to a high-pressure cleaning device, not shown.
- the arrangement 1 is connected to the high pressure cleaning device or grown on this or built into this or integrated in any other way.
- High-pressure cleaning devices also referred to as high-pressure cleaners in the sense of the invention, are usually used for cleaning purposes.
- a liquid in particular water, is pressurized by a high-pressure pump and usually discharged via a connected valve gun and nozzle.
- the high-pressure cleaning devices are usually provided with a valve arrangement - a so-called unloader - so that when shooting the valve gun or nozzle and the pump continues the liquid in the circuit is pumped, so the pump does not work against the closed valve gun or nozzle.
- the proposed arrangement 1 can form such an unloader or such a valve or be used in this sense.
- the proposed arrangement 1 may also constitute another valve such as a pressure relief valve or the like, or a flow switch, a pressure switch or the like.
- the arrangement 1 preferably forms a valve, wherein different states in the Fig. 1 and 2 are shown, namely the open state in Fig. 1 and the closed state in Fig. 2 , Later will be based on the other Fig. 3 to 5 a second embodiment of the proposed arrangement 1 explained in more detail, in which this forms a flow switch or is designed as such.
- this forms a flow switch or is designed as such.
- the arrangement 1 preferably has a housing 2 with an inlet 3 and an outlet 4 for a fluid, not shown.
- the fluid was in particular a liquid or water, in particular as usual in high-pressure cleaning devices. However, it may be any other fluid such as a gas or the like.
- the arrangement 1 preferably forms a fluid path F from the inlet 3 to the outlet 4, through which the fluid can flow when the fluid path F is not interrupted.
- the arrangement 1 preferably has a control element 5, which responds in particular to a fluid flow and / or the fluid pressure and / or is arranged in the fluid path F.
- the control element 5 is preferably designed as a valve element, valve piston or the like. In particular, therefore, the arrangement 1 forms a valve or has such a valve.
- control element 5 can also be, for example, only an elastically deformable and / or reversibly movable element which, for example, responds to the pending fluid pressure or a differential pressure or the like or changes its position or position as a function thereof. In this case, no fluid path F for the fluid need be provided or opened. Then, if necessary, only a single hydraulic or fluidic closure, such as the inlet 3 o. The like.
- the arrangement 1 or its housing part 2 preferably has a sealing seat 6, which is used for example or formed thereof.
- control element 5 and the sealing seat 6 form a valve.
- Fig. 2 shows in one too Fig. 1 corresponding schematic section of the proposed arrangement 1 and the control 5 in the closed position or control position.
- the control element 5 In the closed position, the control element 5 is preferably seated on the sealing seat 6 or abuts against it, so that the fluid path F is interrupted.
- Fig. 1 shows the arrangement 1 and the control 5 in the open position.
- the control 5 is lifted from the sealing seat 6, in the illustrated example, in particular by a stroke H.
- control element 5 is associated with a spring 7, which particularly preferably biases or presses the control 5 in the closed position or against the sealing seat 6.
- control element 5 can be opened, for example, by the impending fluid pressure or the fluid flow against the force of the spring 7, that is lifted off the sealing seat 6.
- control element 5 is controlled by an actuator, not shown, or the like, for example to form an actively controlled valve.
- the control element 5 is assigned a control magnet 8.
- the control element 5 has the control magnet 8 and / or is firmly connected thereto.
- control element 5 is preferably provided with a shaft 5A, starting from a head assigned to or cooperating with the sealing seat 6.
- the shaft 5A preferably forms a receptacle for the associated control magnet 8 in the region of its free end.
- the control magnet 8 can be pushed onto the shaft 5A and can be secured or secured on the control element 5 or shaft 5A by means of a holding element 9 or the like.
- the holding element 9 is screwed onto the free end of the shaft 5A and secures the control magnet 8 in the axial direction.
- the control magnet 8 is preferably annular or designed as a ring magnet. Its inner diameter is preferably adapted to the receiving area of the shaft 5A. This allows a simple attachment or connection with the control element 5 or its shaft 5A. However, other constructive solutions are possible.
- the shaft 5A is preferably hollow or hollow cylindrical, particularly preferably for receiving and / or supporting one end of the spring 7.
- the arrangement 1 preferably has a holding part 10 and / or further housing part 11.
- the holding part 10 closes off the first housing part 2 or the fluid path F or a dead volume 2A or a movement range for the control element 5 or the control magnet 8 fluidically, preferably outwards or toward the second housing part 11.
- the two housing parts 2 and 11 are preferably firmly connected to each other, in particular screwed.
- the arrangement 1 preferably has a particular electrical switch 12, in particular a micro-switch o. The like., On.
- the switch 12 is arranged on or in the housing part 11, in particular accommodated in a receiving space 11A of the arrangement 1 or of the housing part 11.
- the switch 12 is preferably associated with a solenoid 13, in particular to the switch 12 and a switching element 12A of the switch 12 to operate.
- the actuation of the switch 12 or switching element 12A via a lever 12B which is preferably pivotally mounted on the switch 12.
- the arrangement 1 particularly preferably has a switching part 14, in particular a switching piston, via which the switching magnet 13 actuates the switch 12 or the switching element 12A or the lever 12B.
- the arrangement 1 preferably has a connecting part 15, via which the switching magnet 13 is coupled or connected to the switching part 14.
- the switching magnet 13 is coupled or connected to the switching part 14.
- This shift rod is in particular only linear reciprocable or guided longitudinally displaceable.
- the arrangement 1 or the holding part 10 preferably has a holding portion 10A, in particular for holding or supporting the adjusting element 5 and / or the spring 7 and / or for guiding the switching magnet 13 or the switching rod.
- the holding portion 10A is provided in the region of its free end with a bore or opening 10B to receive the spring 7 and / or lead or support.
- the holding portion 10A is designed for the longitudinally displaceable guidance of the holding element 5.
- the holding portion 10A is particularly preferably formed at least substantially cylindrical or bolt-like.
- the holding portion 10A engages in the shaft 5A of the adjusting element 5 in order to guide this to be linearly displaceable or to hold.
- control element 5 or the control magnet 8 is longitudinally displaceable and / or (only) linearly displaceable, here guided in the direction of the axis A and / or in the direction of a rotation axis or the central axis of the control magnet 8 movable or displaceable.
- the central ring axis of the control magnet 8 corresponds to the direction of movement or movement axis A.
- the arrangement 1 or the holding part 10 and / or the holding portion 10A preferably has a central recess or bore for displaceably guiding the switching magnet 13 and / or connecting part 15 or the switching rod.
- the arrangement 1 or the holding part 10 or the holding portion 10 A has a wall 10 C, which is in particular formed as a hollow cylinder and / or as thin as possible and / or which is arranged between the control magnet 8 and the switching magnet 13.
- the solenoid 13 is disposed within the wall 10C and the control magnet 8 outside the wall 10C.
- the switching magnet 13 is preferably preferably linearly displaceable or movable along the axis A or along the same axis as the control magnet 8 or the adjusting element 5.
- the solenoid 13 is preferably at least substantially cylindrical. Its cylinder axis preferably runs in the direction of the movement axis A and / or coaxially with the central ring axis of the control magnet 8.
- the switching magnet 13, the switching part 14 and the optional connecting part 15 or the switching rod is or are thus preferably displaceably guided in the direction of the axis A and / or at least substantially linearly movable only.
- the switching rod or the switching magnet 13 preferably engages via the optional connecting part 15 and the switching part 14 - alternatively but also directly - on the switch 12 - more precisely on the lever 12B - particularly preferably via a sliding contact to the said, preferred exclusive linear movement in the direction of the axis A, while the lever 12B executes a pivoting movement depending thereon.
- the two magnets 8 and 13 repel.
- This repulsive force takes place through the preferably thin and / or in particular hollow cylindrical wall 10C.
- a very strong magnetic coupling or strong magnetic repulsion can be achieved.
- the combination of the ring magnet 8 with the particular cylindrical bar magnet 13 is also a strong magnetic coupling or repulsion beneficial.
- the solenoid 13 is preferably arranged over an end face of the control magnet 8. This is also conducive to strong magnetic coupling or repulsion.
- the two magnets 8 and 13 are preferably aligned coaxially with each other. This is also conducive to strong magnetic coupling or repulsion.
- the switching magnet 13 is preferably biased toward the control element 5 or control magnet 8, in particular resiliently, particularly preferably together with the switching element 12A, lever 12B, switching part 14 and / or connecting part 15.
- the switching element 12A and / or the lever 12B accordingly be resiliently biased and / or an unillustrated biasing means, such as a corresponding spring may be provided.
- the corresponding parts can also be firmly connected to one another, in order in particular to form a type of shift rod with optionally permanently connected shift magnet 13.
- Fig. 2 shows the assembly 1 and the control 5 in the closed position.
- the fluid path F is interrupted here.
- the spring 7 biases the control 5 against the sealing seat 6 in the closed position.
- the fluid flowing through the inlet 3 can open the arrangement 1 or the valve or the adjusting element 5 formed therefrom, in particular lift it off from the sealing seat 6, as in FIG Fig. 1 shown.
- the fluid path F is opened and the fluid, not shown, can flow from the inlet 3 through the arrangement 1 or its housing part 2 via the open adjusting element 5 to the outlet 4.
- the fluid path F or the fluid flow is angled or has the inlet 3 on the one hand and the outlet 4 in opposite, preferably mutually perpendicular directions.
- This is conducive to optimizing the fluid path F or the fluid flow, since a control magnet 8 which is as strong as possible and correspondingly large can be installed in the fluid space of the housing part 2 and movably guided without significantly disturbing or obstructing the fluid path F or the fluid flow hinder.
- the opening of the valve or lifting of the actuating element 5, in particular about the stroke H causes a corresponding movement of the actuating magnet 8. Due to the thereby increasing or successful magnetic repulsion of the solenoid 13 deviates along the axis of movement A accordingly and can in the opposite direction overcome acting bias and operate the switch 12, in particular on the optional connecting part 15 and the switching member 14, the lever 12 B actuate here pivot upwards, as in Fig. 1 represented, whereby the switch 12 and its switching element 12A is actuated.
- the magnetic coupling thus causes the switching or actuation of the switch 12.
- the two magnets 8 and 13 are preferably in the common axis A.
- the control magnet 8 is preferably made of hard ferrite or contains this.
- the solenoid 13 is preferably made of or contains neodymium material.
- the diameter of the switching magnet 13 is preferably less than 10 mm, more preferably less than 5 mm, in particular at least substantially 3 mm, and / or more than 2 mm.
- the length of the switching magnet 13 is preferably about 0.5 to 5 times its diameter, in particular about 1 to 3 times, more preferably at least substantially 2 times its diameter.
- the control magnet 8 preferably has an outer diameter of less than 30 mm, in particular less than 20 mm, particularly preferably less than 17 mm, and / or more than 8 mm, in particular more than 12 mm and / or preferably more than 14 mm.
- the ratio of length to diameter of the control magnet 8 is preferably between 0.2 and 1.5, in particular between 0.4 and 0.8, in particular between 0.55 and 0.65.
- FIGS. 3 to 5 a second embodiment of the proposed arrangement 1 explained in more detail, with particular reference only to essential differences.
- the previous remarks and explanations in particular with regard to the first embodiment therefore apply in particular correspondingly or in addition, even if this is not repeated.
- the arrangement 1 is designed in particular as a flow monitor or forms such.
- no tightly closed in the closed state valve is formed.
- the control element 5 is preferably movable between a control position on the one hand and a working position on the other hand and vice versa.
- Fig. 3 shows in a schematic section the arrangement 1 with the control element 5 in the control position, which corresponds at least substantially to the closed position of the first embodiment.
- Fig. 4 shows a partial enlargement of an in Fig. 3 lower portion of the housing part 2 and the head of the actuating element 5 of Fig. 3 ,
- Fig. 5 shows in one too Fig. 3 corresponding schematic section of the arrangement 1 with the control element 5 in the working position, which corresponds at least substantially to the open position according to the first embodiment.
- control element 5 is then preferably raised from its lowered position or moved out of the control position as soon as a minimum volume or minimum fluid flow is exceeded.
- This volume or this minimum flow is preferably determined by a gap S between the control element 5 and the housing wall, as in FIG Fig. 4 shown schematically, the partial enlargement of Fig. 3 represents.
- control element 5 is then preferably lifted or moved upwards by the fluid flow.
- the transmitted fluid flow is preferably less than the working position.
- the gap S decisive for the passed fluid flow is preferably substantially smaller than the gap S 'resulting in the working position, as in FIG Fig. 4 indicated.
- Fig. 4 shows the actuator 5 in the control position and dashed in the working position.
- the arrangement 1 or the housing or housing part 2 has at least two regions 2B and 2C with different diameters D2 and D4 in order to form two different diameter steps, in particular for the control position and the working position.
- the diameter D2 is preferably considerably smaller than the diameter D4, so that the gap S in the control position is smaller than the gap S 'in the working position, as in FIG Fig. 4 indicated.
- the diameter D1 of the control element 5 or the head of the control element 5 is smaller than the diameter D2 and in particular slightly smaller than a diameter D3 of an intermediate region 2D, which is arranged between the two regions 2B and 2C or the two end positions (control position and working position) or is formed.
- the diameter D3 of the intermediate region 2D is smaller than the diameter D2 of the diameter D2 corresponding to the control position.
- the intermediate region 2D leads to a particularly small gap when the head of the control element 5 is located in this region, so that a smaller annular gap with respect to the control position and thus a higher resistance for the fluid flow is formed. This leads to a particularly good switching and / or defined switching behavior or response of the arrangement 1 and the control of the fifth
- the size of the gap S in the control position is preferably or alternatively determined not only by the diameter ratios or the diameter difference, but in particular alternatively or additionally by an axial distance of the head of the control element 5 from the area of reduced diameter, here the intermediate area 2D, or the distance from a shoulder forming the transition from the intermediate region 2C to the region 2D. This particular axial distance then determines with the size of the gap S in the control position.
- a hydraulic damping of the movement of the control element 5 or control magnet 8 is provided.
- This is preferably realized by immersing the control element 5 or the control magnet 8 in a dead volume 2A.
- the control magnet 8 - here together with the holding element 9 - dips into the dead volume 2A in the housing part 2 or in a fluidically connected area (further) when the actuating element 5 moves out of the closed position or Control position moved to the open position or working position.
- the opposite direction is correspondingly damped, since the fluid can only flow in throttled fashion via the said gap into the dead volume 2A.
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Magnetically Actuated Valves (AREA)
- Indication Of The Valve Opening Or Closing Status (AREA)
- Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE201420003670 DE202014003670U1 (de) | 2014-05-05 | 2014-05-05 | Anordnung, insbesondere Strömungswächter |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2950323A2 true EP2950323A2 (fr) | 2015-12-02 |
EP2950323A3 EP2950323A3 (fr) | 2016-03-02 |
EP2950323B1 EP2950323B1 (fr) | 2018-03-07 |
Family
ID=51727679
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP15020045.9A Active EP2950323B1 (fr) | 2014-05-05 | 2015-03-26 | Agencement, en particulier contrôleur de débit |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP2950323B1 (fr) |
DE (2) | DE202014003670U1 (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102019120721B4 (de) * | 2019-07-31 | 2021-02-11 | Fsp Fluid Systems Partners Holding Ag | Druckschalter, Verwendung eines solchen und hydraulisches System |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4365125A (en) * | 1980-05-02 | 1982-12-21 | Beta, B.V. | Flow actuating switching device |
DE3144709A1 (de) * | 1981-11-11 | 1983-05-19 | Hans Sasserath & Co Kg, 4052 Korschenbroich | Stroemungsschalter |
US6528748B2 (en) | 2001-06-05 | 2003-03-04 | Gp Companies, Inc. | In-line flow switch assembly including magnetic sensitive plunger and microswitch actuator |
ITFI20030264A1 (it) * | 2003-10-17 | 2005-04-18 | Mac 3 S P A | Dispositivo per il controllo automatico di una pompa idraulica. |
-
2014
- 2014-05-05 DE DE201420003670 patent/DE202014003670U1/de not_active Expired - Lifetime
-
2015
- 2015-03-26 DE DE202015009580.1U patent/DE202015009580U1/de active Active
- 2015-03-26 EP EP15020045.9A patent/EP2950323B1/fr active Active
Also Published As
Publication number | Publication date |
---|---|
DE202014003670U1 (de) | 2014-10-01 |
DE202015009580U1 (de) | 2018-06-04 |
EP2950323A3 (fr) | 2016-03-02 |
EP2950323B1 (fr) | 2018-03-07 |
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