EP4483087A1 - Ventilvorrichtung mit verkippbarem führungselement sowie fluidsystem - Google Patents
Ventilvorrichtung mit verkippbarem führungselement sowie fluidsystemInfo
- Publication number
- EP4483087A1 EP4483087A1 EP23700653.1A EP23700653A EP4483087A1 EP 4483087 A1 EP4483087 A1 EP 4483087A1 EP 23700653 A EP23700653 A EP 23700653A EP 4483087 A1 EP4483087 A1 EP 4483087A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- valve
- guide element
- unit
- guide
- fluid
- 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
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/04—Arrangement or mounting of valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
- F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
- F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
- F17C2205/0323—Valves
- F17C2205/0326—Valves electrically actuated
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
- F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
- F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
- F17C2205/0382—Constructional details of valves, regulators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2221/00—Handled fluid, in particular type of fluid
- F17C2221/01—Pure fluids
- F17C2221/012—Hydrogen
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
- F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
- F17C2223/0107—Single phase
- F17C2223/0123—Single phase gaseous, e.g. CNG, GNC
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
- F17C2223/03—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the pressure level
- F17C2223/036—Very high pressure (>80 bar)
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2270/00—Applications
- F17C2270/01—Applications for fluid transport or storage
- F17C2270/0165—Applications for fluid transport or storage on the road
- F17C2270/0184—Fuel cells
Definitions
- the invention relates to a valve device for a fluid system and a fluid system.
- Valve devices are known from the prior art which can be switched from an open state to a closed state by pressing a valve ball onto a valve seat.
- this often results in coaxiality due to tolerances, which is usually compensated for by a radial gap in a guide for the valve needle.
- a large radial gap leads to higher demands on the drive, e.g. B. to a larger solenoid and / or higher power requirements.
- the radial clearance between the valve ball and the valve seat can cause increased wear and higher noise emissions.
- a valve device for a fluid system has a valve unit with a valve seat and a valve body, which contacts the valve seat in a closed state of the valve unit for closing a valve opening and is removed from the valve seat in an open state for releasing the valve opening for a fluid flow in the fluid system.
- the valve device has a guide unit with a guide element which is connected to the valve body and for transferring the valve unit from Closure state is movable in the open state along an axis of movement on.
- the guide unit includes a counter-guide element for guiding the guide element along the movement axis.
- the guide unit has a tilting means, by means of which the guide element can be tilted, ie preferably inclined, relative to the axis of movement for the contacting, in particular in the closed state, between the valve seat and the valve body.
- valve device according to the invention achieves improved guidance of a valve body when opening and/or closing a valve unit of the valve device.
- the fluid flow can be a gas or a liquid.
- the fluid flow includes a hydrogen.
- valve unit is arranged between a valve inlet for the fluid flow to flow in and a valve outlet for the fluid flow to flow out.
- the valve opening is in particular part of the valve unit.
- the valve opening can have a cross section through which the fluid flow can flow when the valve unit is in the open state. In the closed state, the valve body can be pressed onto the valve seat.
- the valve opening is preferably completely closed in the closed state. However, it is conceivable that a leakage flow can continue to flow through the valve opening in the closed state.
- the valve seat is designed to be movable, in particular, with the guide element.
- the valve seat can be stationary.
- the movement axis can comprise a central axis of the guide unit, along which the guide element and/or the valve body moves when the valve unit is transferred from the closed state to the open state and/or vice versa.
- the movement axis can form a central axis of the guide element and/or the valve body.
- the guide unit can in particular comprise a linear guide.
- the guide element can be slidably mounted in the valve body. It can be provided that a gap is formed between the guide element and the counter-guide element. When the guide element is tilted, the guide element can extend at least in sections into the gap.
- the tilting of the guide element can be understood to mean that the guide element and/or the valve body has an angle to the axis of movement, ie can preferably be aligned obliquely to the axis of movement for tilting.
- the guide element can preferably rotate around a center of rotation, ie in particular a pivot point or an instantaneous center, on the movement axis.
- the tilting means can define the center of rotation. Furthermore, the tilting means can be integrated into the guide element or the counter-guide element. When tilting, the tilting means can contact the guide element or the counter-guide element, in particular permanently or temporarily.
- the guide means and the counter-guide means preferably have a gap between them. The gap can have the smallest cross-section in the region of the tilting means.
- the guide element and the counter-guide element can form a gimbal joint by the tilting means.
- the tilting can take place in particular when the valve unit is transferred from the open state to the closed state or vice versa.
- a coaxiality of the valve body and/or the movement axis relative to the valve seat in particular due to tolerances, can be compensated for.
- a gap between the guide means and the counter-guide means can be kept small or eliminated by the tilting means.
- the state change of the valve unit between the open state and the closed state can be simplified. For example, requirements for a drive unit can be reduced.
- the guidance made possible by the guide unit can be improved, so that wear and/or noise emissions can be reduced.
- the valve seat can have a contact surface that is at least partially or completely conical for the valve body, with the valve body having a contact surface that is at least partially round or completely, the contact surface lying on the support surface when the valve unit is closed.
- the contact surface can slide along the support surface in order to close the valve opening when the valve unit is transferred from the open state to the closed state, as a result of which the guide element can be tilted relative to the counter-guide element and/or the movement axis.
- the bearing surface and the contact surface can make circumferential contact with one another in order to seal the valve opening.
- the contact surface can be configured spherically, at least in sections.
- the contact surface can include one or more spherical segments, spherical sections and/or spherical rings.
- the valve body is designed entirely as a ball.
- the contact surface can be designed in the shape of a truncated cone, for example.
- the valve opening is preferably located in the center of the conical configuration.
- the bearing surface can run in a conical manner all the way around to the valve opening. Due to the round design of the contact surface, the valve body can rest circumferentially on the bearing surface even in an inclined position due to the tilting, in particular completely.
- the counter-guide element has a cylindrical interior space in which the guide element is movably arranged.
- the interior space can be hollow and/or surrounded by the counter-guide element.
- the counter-guide element can advantageously be tubular.
- the guide element can have a cylindrical shape, at least in sections, in order to be guided in the counter-guide element. As a result, the guide element can be guided linearly in the counter-guide element. When tilting, guidance in different directions in space can be ensured.
- a magnetic drive unit for moving the guide element is, in particular wherein the guide element is designed as a magnet armature.
- the drive unit can generate a magnetic drive force in order to move the guide element and the valve body.
- the magnetic drive unit can, for example, comprise an electrical coil in order to move the magnet armature.
- it is advantageous to keep a gap in the guide unit small in order to reduce a coil and/or a power requirement of the drive unit.
- other drives such.
- B. an electric motor conceivable to move the guide element.
- the pretensioning unit can, for example, comprise a spring, in particular in the form of a compression spring.
- the valve body can preferably be moved counter to the fluid flow and counter to the pretensioning unit in order to convert the valve unit into the open state.
- self-locking of the valve unit can be made possible.
- the drive unit e.g. B. due to a technical defect, can also be ensured by the biasing unit that the fluid does not flow through the valve device in an uncontrolled manner.
- the security of the fluid system can be improved.
- the tilting means surrounds the guide element in the manner of a ring.
- the tilting means can be part of the guide element or of the counter-guide element. Due to the ring-like design around the guide element, a tolerance-related offset between the valve seat and/or the valve opening and the valve body in different spatial directions can be compensated.
- the tilting means can be formed by a rolling section on the guide element or on the counter-guiding element, in particular with the rolling section being designed in the manner of a spherical ring.
- the rolling section can be formed, for example, by a shape of the guide element or of the counter-guide element.
- the outer contour of the guide element or of the counter-guide element can define the rolling section. Due to the rolling section, the guide element can roll on the counter-guide element when the guide element tilts relative to the counter-guide element and/or to the movement axis. This allows a defined tilting movement.
- the rolling section prefferably be arranged, preferably centrally, between two ends of the guide element, in particular with the guide element having a conical guide surface between each of the two ends and the rolling section, which when the guide element is tilted relative to the counter-guide element and/or or can be placed against the movement axis on the counter-guide element.
- the guide surfaces can in particular form opposite cones to one another. Due to the cone-like design, a gap between the guide element and the counter-guide element can be enlarged in the direction of the ends and thus a space for tilting the guide element.
- the conical design of the guide surface can enable tolerance compensation in different spatial directions.
- the guide surfaces each run tangentially to the rolling section. Due to the tangential course of the guide surfaces, the guide surfaces can preferably bear against the counter-guide element at least on one side at a maximum tilting angle of the guide element. As a result, linear guidance of the guide element can continue to be ensured, while at the same time the gap between the guide element and the counter-guide element can be kept small. For example, a required magnetic force for moving the guide element can depend on an average dimension of the gap.
- a fluid system includes a fluid tank for storing a fluid and a utilization device for utilizing the fluid. Furthermore, that shows Fluid system on a valve device according to the invention, which is arranged between the fluid tank and the utilization device.
- a fluid system according to the invention thus brings with it the same advantages as have already been described in detail with reference to a valve device according to the invention.
- the fluid system can be designed for arrangement in a vehicle, for example.
- the usage device can include a fuel cell system, in particular for driving the vehicle.
- the utilization device can in particular also be referred to as a consumption device.
- the fluid can be or can be stored in the fluid tank, in particular under high pressure.
- a fluid flow of the fluid from the fluid tank to the usage device can be influenced, in particular regulated, by the valve device. It is conceivable that the fluid system has a control unit for controlling a drive unit of the valve device.
- Figure 1 shows a fluid system according to the invention with a valve device according to the invention in a first embodiment
- FIG. 2 shows a valve unit of the valve device in a detailed view
- Figure 3 shows a valve body of the valve unit in a plan view
- Figure 4 shows a tilting means of the valve device.
- Figure 1 shows a fluid system 1 according to the invention in a first embodiment.
- the fluid system 1 includes a fluid tank 2 for storing a fluid and a usage device 3 for using the fluid.
- the fluid can preferably be a hydrogen.
- the utilization device 3 can comprise a fuel cell system, for example.
- a valve device 10 according to the invention is arranged between the fluid tank 2 and the utilization device 3 in order to influence a fluid flow 200 of the fluid from the fluid tank 2 to the utilization device 3 .
- the valve device 10 comprises a valve unit 20 with a valve seat 21 shown in FIG.
- the valve body 22 In an opening state I for releasing the valve opening 23 for a fluid flow 200 in the fluid system 1, the valve body 22 is arranged at a distance from the valve seat 21.
- the valve body 22 can be moved along a movement axis 30.1.
- the valve device 10 has a guide unit 30, which preferably forms a linear guide.
- the guide unit 30 has a guide element 31 which is connected to the valve body 22 and can be moved with the valve body 22 when the valve unit 20 is transferred from the open state I to the closed state II and vice versa. Furthermore, the guide unit 30 has a counter-guide element 32 for guiding the guide element 31 along the movement axis 30.1.
- the counter-guide element 32 is preferably fastened in a stationary manner.
- the counter-guide element 32 comprises a cylindrical interior space 35, in which the guide element 31 is movably arranged.
- the valve device 10 further comprises a magnetic drive unit 40 for moving the guide element 31 .
- the guide element 31 is designed at least in sections as a magnet armature 41.
- a gap 36 is formed between the guide element 31 and the counter-guide element 32 in order to enable a relative movement between the guide element 31 and the counter-guide element 32 by the magnetic drive unit 40.
- the valve body 22 is prestressed into the closed state II by a prestressing unit 42 .
- the prestressing unit 42 is designed to bring the valve unit 20 into the closed state II when the drive unit 40 is de-energized.
- the valve seat 21 has a contact surface 24 for the valve body 22 that is conical at least in sections.
- the valve body 22 also includes a contact surface 25 that is round at least in sections.
- the contact surface 25 rests on the support surface 24 in the closed state II of the valve unit 20 .
- the contact surface 25 and/or the bearing surface 24 can preferably comprise a hardened steel.
- the contact surface 25 can, as shown in Figure 3 in a sectional plan view of the valve body 22, lateral, z. B. flat, have recesses 25.1, whereby the fluid in the open state I of the valve unit 20 can advantageously flow past the valve body 22 without a large valve lift is required.
- the guide unit 30 includes a tilting means 33, as shown in FIG.
- the guide element 31 can be tilted by the tilting means 33 to the movement axis 30.1 for the contacting between the valve seat 21 and the valve body 22 to the counter-guide element 32 and/or to the movement axis 30.1.
- the tilting means 33 is formed by a rolling section 33.1 on the guide element 31, which surrounds the guide element 31 in the manner of a ring.
- the rolling section 33.1 is designed in the manner of a spherical ring.
- the rolling section 33.1 is arranged between two ends of the guide element 31.
- the guide element 31 has a conical guide surface 34 between each of the two ends and the rolling section 33.1, which can be placed against the counter-guide element 32 when the guide element 31 is tilted relative to the counter-guide element 32 and/or to the movement axis 30.1.
- the guide surfaces 34 each run tangentially to the rolling section 33.1, so that the guide surfaces 34 rest against the counter-guide element 32 when the guide element 31 tilts.
- the tilting means 33 is located on the guide element 31 .
- the tilting means 33 is arranged on the counter-guide element 32 and the guide element 31 has a straight course.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Lift Valve (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102022201957.1A DE102022201957A1 (de) | 2022-02-25 | 2022-02-25 | Ventilvorrichtung mit verkippbarem Führungselement sowie Fluidsystem |
| PCT/EP2023/050397 WO2023160890A1 (de) | 2022-02-25 | 2023-01-10 | Ventilvorrichtung mit verkippbarem führungselement sowie fluidsystem |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP4483087A1 true EP4483087A1 (de) | 2025-01-01 |
| EP4483087B1 EP4483087B1 (de) | 2025-10-01 |
Family
ID=84982276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP23700653.1A Active EP4483087B1 (de) | 2022-02-25 | 2023-01-10 | Ventilvorrichtung mit verkippbarem führungselement sowie fluidsystem |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US20250189080A1 (de) |
| EP (1) | EP4483087B1 (de) |
| JP (1) | JP7769813B2 (de) |
| KR (1) | KR20240152903A (de) |
| CN (1) | CN118765359A (de) |
| DE (1) | DE102022201957A1 (de) |
| WO (1) | WO2023160890A1 (de) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4699351A (en) * | 1984-07-11 | 1987-10-13 | Target Rock Corporation | Pressure responsive, pilot actuated, modulating valve |
| JP5178653B2 (ja) * | 2009-07-15 | 2013-04-10 | 日立オートモティブシステムズ株式会社 | 電磁弁 |
| CN104321575B (zh) * | 2012-06-04 | 2016-04-27 | 永都产业株式会社 | 流体控制用阀组件 |
| JP5873451B2 (ja) * | 2013-02-26 | 2016-03-01 | 川崎重工業株式会社 | 弁装置 |
| JP6463647B2 (ja) | 2015-02-26 | 2019-02-06 | 川崎重工業株式会社 | 弁装置 |
| JP6613493B2 (ja) * | 2016-03-18 | 2019-12-04 | 日立オートモティブシステムズ株式会社 | 電磁弁およびブレーキ装置 |
| DE102018221602A1 (de) * | 2018-12-13 | 2020-06-18 | Robert Bosch Gmbh | Tankvorrichtung zur Speicherung eines gasförmigen Mediums |
-
2022
- 2022-02-25 DE DE102022201957.1A patent/DE102022201957A1/de active Pending
-
2023
- 2023-01-10 CN CN202380023315.5A patent/CN118765359A/zh active Pending
- 2023-01-10 JP JP2024548717A patent/JP7769813B2/ja active Active
- 2023-01-10 KR KR1020247031329A patent/KR20240152903A/ko active Pending
- 2023-01-10 WO PCT/EP2023/050397 patent/WO2023160890A1/de not_active Ceased
- 2023-01-10 US US18/837,391 patent/US20250189080A1/en active Pending
- 2023-01-10 EP EP23700653.1A patent/EP4483087B1/de active Active
Also Published As
| Publication number | Publication date |
|---|---|
| WO2023160890A1 (de) | 2023-08-31 |
| JP7769813B2 (ja) | 2025-11-13 |
| DE102022201957A1 (de) | 2023-08-31 |
| KR20240152903A (ko) | 2024-10-22 |
| US20250189080A1 (en) | 2025-06-12 |
| CN118765359A (zh) | 2024-10-11 |
| EP4483087B1 (de) | 2025-10-01 |
| JP2025505814A (ja) | 2025-02-28 |
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