WO2019020266A1 - Dosierventil und strahlpumpeneinheit zum steuern eines gasförmigen mediums - Google Patents
Dosierventil und strahlpumpeneinheit zum steuern eines gasförmigen mediums Download PDFInfo
- Publication number
- WO2019020266A1 WO2019020266A1 PCT/EP2018/065571 EP2018065571W WO2019020266A1 WO 2019020266 A1 WO2019020266 A1 WO 2019020266A1 EP 2018065571 W EP2018065571 W EP 2018065571W WO 2019020266 A1 WO2019020266 A1 WO 2019020266A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- nozzle
- metering valve
- valve
- controlling
- gaseous medium
- 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.)
- Ceased
Links
Classifications
-
- 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
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0644—One-way valve
- F16K31/0655—Lift valves
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
- H01M8/04201—Reactant storage and supply, e.g. means for feeding, pipes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/22—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00 by means of valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
- F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
- F04F5/14—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid
- F04F5/16—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid displacing elastic fluids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
- F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
- F04F5/44—Component parts, details, or accessories not provided for in, or of interest apart from, groups F04F5/02 - F04F5/42
- F04F5/46—Arrangements of nozzles
- F04F5/461—Adjustable nozzles
-
- 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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
-
- 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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/42—Valve seats
-
- 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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
-
- 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
- F16K31/44—Mechanical actuating means
- F16K31/58—Mechanical actuating means comprising a movable discharge-nozzle
-
- 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
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0025—Electrical or magnetic means
- F16K37/005—Electrical or magnetic means for measuring fluid parameters
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
- H01M8/04089—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants
- H01M8/04097—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with recycling of the reactants
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/04694—Processes for controlling fuel cells or fuel cell systems characterised by variables to be controlled
- H01M8/04746—Pressure; Flow
- H01M8/04753—Pressure; Flow of fuel cell reactants
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/005—Nozzles or other outlets specially adapted for discharging one or more gases
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/30—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages
- B05B1/3033—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages the control being effected by relative coaxial longitudinal movement of the controlling element and the spray head
- B05B1/304—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages the control being effected by relative coaxial longitudinal movement of the controlling element and the spray head the controlling element being a lift valve
- B05B1/3046—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages the control being effected by relative coaxial longitudinal movement of the controlling element and the spray head the controlling element being a lift valve the valve element, e.g. a needle, co-operating with a valve seat located downstream of the valve element and its actuating means, generally in the proximity of the outlet orifice
- B05B1/3053—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages the control being effected by relative coaxial longitudinal movement of the controlling element and the spray head the controlling element being a lift valve the valve element, e.g. a needle, co-operating with a valve seat located downstream of the valve element and its actuating means, generally in the proximity of the outlet orifice the actuating means being a solenoid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
- B05B15/50—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter
- B05B15/58—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter preventing deposits, drying-out or blockage by recirculating the fluid to be sprayed from upstream of the discharge opening back to the supplying means
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
Definitions
- the invention relates to a metering valve and a jet pump unit for controlling a gaseous medium, in particular hydrogen, for example for use in vehicles with fuel cell drive.
- DE 10 2010 043 618 A1 describes a metering valve for controlling a gaseous medium, in particular hydrogen, wherein the metering valve comprises a valve housing, an ejector unit, an actuator and a closing element.
- the valve housing a passage opening is formed, which can be released or closed by the closing element on a valve seat.
- the ejector unit comprises an inflow region, to which a first gaseous medium is supplied under pressure, a suction region, at which a second medium is present, and a mixing tube region, from which a mixture of the first and second gaseous medium emerges.
- the passage opening is arranged between the inflow region and the suction region of the ejector unit.
- Dosing valves are characterized to the effect that when using these only small pressure fluctuations in the anode path of a fuel cell occur and a quiet operation can be ensured.
- frequent opening and closing operations occur.
- additional switching operations may also be desired.
- a reduction in wear and thus optimum functioning of the metering valve and the jet pump in the fuel cell assembly can be achieved by an improved design of the combination metering valve and jet pump.
- the metering valve according to the invention and the jet pump unit for controlling a gaseous medium, in particular hydrogen has the advantage that improved by an optimized integration of a metering valve in a jet pump unit, the tolerances on the valve seat and thereby the tightness of the valve seat is increased.
- the metering valve for controlling a gaseous medium, in particular hydrogen, a valve housing, in which an interior space is formed.
- a hubbewegliches closing element is arranged, which cooperates for opening or closing at least a first passage channel with a valve seat.
- the metering valve has a nozzle in which the at least one passage channel is formed, wherein this passage channel has a circular cylindrical portion.
- a jet pump unit comprises the metering valve according to the invention, a jet pump housing, a mixing tube region and a suction region.
- the jet pump housing comprises the valve housing of the metering valve and a pump housing.
- a feed channel of the metering valve is formed in the pump housing.
- the through hole is at least partially conical and the nozzle and the valve seat are received in the through hole.
- pressure losses are minimized, which occur when the flow of the gaseous medium has to cover a longer path, for example via a pipe, between the metering valve and the jet pump unit.
- possible tolerances on the valve seat in particular the tightness at the valve seat, can be improved by the integration of the nozzle into the metering valve and the direct formation of the valve seat at the nozzle can be realized.
- the integration of the metering valve according to the invention in the jet pump unit not only proves to be structurally advantageous, but also contributes to their optimal operation.
- the nozzle is arranged in the through hole of the jet pump unit so that an optimal flow of gaseous medium from the suction channel and the gaseous medium from the metering valve is formed around it.
- the nozzle connects to the valve housing and is firmly connected thereto.
- the nozzle is received in the valve housing.
- the nozzle can be arranged in a structurally simple manner in the metering valve.
- Nozzle has a longitudinal axis and the passageway is formed as a central bore in the nozzle.
- the nozzle comprises a collar and a pin.
- the pin is advantageously formed conical.
- the federal government allows in a simple constructive manner optimal solid integration of the nozzle in the metering valve, wherein the nozzle fits optimally through the pin in the jet pump unit.
- the conical design of the pin allows optimal flow of the gaseous medium in the through hole of the jet pump unit.
- the height of the at least one passage channel is less than 100 mm, preferably less than 30 mm.
- the distance between the valve seat and an outlet opening of the nozzle should be designed as short as possible in order to minimize the pressure loss arising in the passage channel.
- the nozzle connects to the circular cylindrical portion of the at least one passage channel, a conical section.
- the nozzle has a diameter d at an inlet end of the nozzle and a further diameter D at the outlet opening, wherein D is greater than d.
- valve seat is formed at the inlet end of the nozzle.
- the nozzle has a sealing edge on which sealing edge of the valve seat is designed as a flat seat.
- an elastic sealing element is arranged between the valve seat and the closing element.
- the metering valve described is preferably suitable in a fuel cell arrangement for controlling a hydrogen supply to an anode region of a fuel cell. Advantages are the low pressure fluctuations in the anode path and a quiet operation.
- the drawing shows exemplary embodiments of a metering valve according to the invention and a jet pump unit for controlling a gas supply, in particular hydrogen, to a fuel cell. It shows in
- FIG. 1 shows an embodiment of a metering valve according to the invention with a nozzle in longitudinal section
- Fig. 2 shows an embodiment of a jet pump unit according to the invention with the metering valve shown in Fig. 1 in longitudinal section.
- Fig.l shows an embodiment of a metering valve 1 according to the invention in longitudinal section.
- the metering valve 1 has a valve housing 2 with an interior 3.
- an electromagnet 39 is arranged, wherein the electromagnet 39 comprises a magnetic coil 16, an inner pole 12 and an outer pole 14.
- a lifting magnet armature device 38 is arranged in the interior 3.
- the magnetic armature device 38 comprises a magnet armature 6 and a connecting element 8, wherein the connecting element 8 is received in a recess 29 of the armature 6 and thus firmly connected to the magnet armature 6, for example by a weld or by compression.
- the magnet armature 6 is designed as a plunger armature and received in the inner pole 12.
- the connecting element 8 is accommodated and guided in a recess of the inner pole 12 on a first guide section 31 and in a recess of the valve housing 2 on a second guide section 33.
- a nozzle 11 is arranged on the valve housing 2, a nozzle 11 is arranged.
- the nozzle 11 comprises a collar 47 and a pin 48.
- the collar 47 of the nozzle 11 is fixedly connected to the valve housing 2, for example by pressing.
- the pin 48 the nozzle 11 is conical, with the pin 48 widens in the direction of the collar 47.
- the nozzle 11 has a longitudinal axis 40, which is identical to the longitudinal axis of the metering valve 1.
- a passage 25 is formed in the nozzle 11 as a central bore.
- the passageway 25 in the nozzle 11 has a circular cylindrical portion 50, to which a conical portion 51 connects.
- the passageway 25 has a height h which is less than 100 mm, preferably less than 30 mm.
- the nozzle 11 has a diameter d in the circular cylindrical portion 50.
- this has a further diameter D, wherein D is greater than d.
- the nozzle 11 has a diffuser at the outlet opening 18.
- the valve housing 2 and the inner pole 12 define a spring chamber 34, which forms part of the inner space 3.
- a closing spring 24 is arranged, which is supported between the valve housing 2 and a plate-shaped end 19 of the connecting element 8.
- the closing spring 24 acts on the magnetic armature device 38 with a force in the direction of the nozzle 11.
- the interior 3 further comprises a magnet armature space 36 which is delimited by the valve housing 2, the inner pole 12 and a sleeve element 20.
- the sleeve member 20 is fixedly connected to the inner pole 12 and the valve housing 2 by a weld seam 7, so that the sleeve member 20 serves as a spacer and the magnet armature space 36 seals against the magnetic coil 16, so that no gaseous medium, here hydrogen, to the magnetic coil 16th can occur.
- a closing element 10 is arranged at the plate-shaped end 19 of the connecting element 8 opposite end.
- This closing element 10 is firmly connected to the connecting element 8, for example by a weld or by pressing.
- the closing element 10 is followed by an elastic sealing element 9, which is disc-shaped, and is firmly connected thereto.
- a valve seat 37 is formed as a flat seat.
- the valve seat 37 is formed on a sealing edge 15 of the nozzle 11.
- the valve seat 37 cooperates with the closing element 10 and the elastic sealing element 9 for opening or closing the passage channel 25.
- the elastic sealing element 9 is located on the sealing edge 15 of the nozzle 11 and thus on the valve seat 37 at.
- the spring chamber 34 and the armature space 36 are fluidly connected to one another by a first connecting channel 32.
- the interior 3 further comprises a control chamber 27, in which the closing element 10 is arranged with the elastic sealing element 9.
- the control chamber 27 is connected via a second connecting channel 30 with the armature space 36.
- two supply channels 28 are formed perpendicular to the longitudinal axis 40 of the metering valve 1, whereby the interior 3 with gaseous medium, for example hydrogen, can be filled. These feed channels 28 open into the control chamber 27th
- the magnetic coil 16 If the magnetic coil 16 is energized, a magnetic force is generated on the magnet armature 6, which is opposite to the closing force of the closing spring 24. This magnetic force is transmitted via the connecting element 8 to the closing element 10, so that the closing force of the closing spring 24 is overcompensated and the closing element 10 lifts off from the valve seat 37. A gas flow from the control chamber 27 into the passageway 25 is released. Since the metering valve 1 is designed here as a proportional valve, the stroke of the closing element 10 can be adjusted via the height of the current at the magnetic coil 16. The higher the current intensity at the magnetic coil 16, the greater the stroke of the closing element 10 and the higher the gas flow in the metering valve 1, since the force of the closing spring 24 is dependent on the stroke. If the current is reduced at the magnetic coil 16, and the stroke of the closing element 10 is reduced and thus throttled the gas flow.
- the magnetic force is reduced to the armature 6, so that the force is reduced to the closing element 10 by means of the connecting element 8.
- the closing element 10 moves in the direction of the passage channel 25 and seals with the elastic sealing element 9 on the valve seat 37.
- the gas flow in the metering valve 1 is interrupted.
- the metering valve 1 can be used, for example, in a fuel cell arrangement.
- hydrogen can be supplied from a tank to an anode region of the fuel cell.
- a flow cross section at the passage channel 25 is changed such that a demand-adjusted adjustment of the gas flow supplied to the fuel cell takes place continuously.
- the metering valve 1 for controlling a gaseous medium thus has the advantage that in this case the supply of the first gaseous medium and the metered addition of hydrogen into the anode region of the fuel cell by means of electronically controlled adjustment of the flow cross section of the passage channel 25 while controlling the anode pressure can be done much more accurately , As a result, the reliability and durability of the connected fuel cell are significantly improved, since hydrogen is always supplied in a superstoichiometric proportion. In addition, consequential damage, such as damage to a downstream catalyst can be prevented.
- 2 shows a jet pump unit 46 with the metering valve 1 according to the invention in longitudinal section.
- the jet pump unit 46 has a jet pump housing 41 which comprises the valve housing 2 of the metering valve 1 and a pump housing 49.
- a through hole 42, an intake passage 43 and the supply passage 28 of the metering valve 1 are formed in the pump housing 49.
- a suction portion 44 and a mixing tube portion 52 are formed in the through-hole 42.
- the metering valve 1 is coaxially with the longitudinal axis 40, which also corresponds to the longitudinal axis of the jet pump unit 46, partially received in the through hole 42.
- the nozzle 11 and the valve seat 37 are disposed in the through hole 42.
- the nozzle 11 is arranged so that it is arranged axially in front of the mixing tube region 52. Furthermore, the nozzle 11 closes off the suction region 44 from the mixing tube region 52.
- the through-bore 42 is conical at least in sections, so that a larger flow cross-section of the gaseous medium flows through the through-bore 42 at a discharge region 45.
- the through hole 42 is formed here axially to the longitudinal axis 40.
- the through-bore 42 is formed radially to the longitudinal axis 40.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Sustainable Energy (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Lift Valve (AREA)
- Fuel Cell (AREA)
- Jet Pumps And Other Pumps (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
Description
Claims
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201880049835.2A CN110959083B (zh) | 2017-07-25 | 2018-06-13 | 用于控制气态介质的配量阀和喷射泵单元 |
| US16/634,274 US11682776B2 (en) | 2017-07-25 | 2018-06-13 | Metering valve and jet pump unit for controlling a gaseous medium |
| KR1020207005253A KR102510781B1 (ko) | 2017-07-25 | 2018-06-13 | 기상 매질을 제어하기 위한 계량공급 밸브 및 제트 펌프 유닛 |
| JP2020501487A JP6931737B2 (ja) | 2017-07-25 | 2018-06-13 | ガス状の媒体を制御するための調量弁およびジェットポンプユニット |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102017212726.0A DE102017212726B3 (de) | 2017-07-25 | 2017-07-25 | Strahlpumpeneinheit zum Steuern eines gasförmigen Mediums |
| DE102017212726.0 | 2017-07-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2019020266A1 true WO2019020266A1 (de) | 2019-01-31 |
Family
ID=62599624
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/EP2018/065571 Ceased WO2019020266A1 (de) | 2017-07-25 | 2018-06-13 | Dosierventil und strahlpumpeneinheit zum steuern eines gasförmigen mediums |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US11682776B2 (de) |
| JP (1) | JP6931737B2 (de) |
| KR (1) | KR102510781B1 (de) |
| CN (1) | CN110959083B (de) |
| DE (1) | DE102017212726B3 (de) |
| WO (1) | WO2019020266A1 (de) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102017220798A1 (de) * | 2017-11-21 | 2019-05-23 | Robert Bosch Gmbh | Dosierventil und Strahlpumpeneinheit zum Steuern eines gasförmigen Mediums |
| DE102018200314A1 (de) * | 2018-01-11 | 2019-07-11 | Robert Bosch Gmbh | Dosierventil und Strahlpumpeneinheit zum Steuern eines gasförmigen Mediums |
| DE102018216299B3 (de) | 2018-09-25 | 2020-02-13 | Robert Bosch Gmbh | Brennstoffzellen-System mit einem Förderaggregat und/oder ein Förderaggregat für ein Brennstoffzellen-System zur Förderung und/oder Steuerung eines gasför-migen Mediums |
| DE102019200613A1 (de) | 2019-01-18 | 2020-07-23 | Robert Bosch Gmbh | Strahlpumpeneinheit zum Steuern eines gasförmigen Mediums |
| KR102778272B1 (ko) * | 2019-12-16 | 2025-03-12 | 현대자동차주식회사 | 이젝터 노즐과 이를 포함한 이젝터 |
| DE102020114410A1 (de) * | 2020-05-28 | 2021-12-02 | Hoerbiger Antriebstechnik Holding Gmbh | Brennstoffzellensystem |
| DE102020123931A1 (de) | 2020-09-15 | 2022-03-17 | Audi Aktiengesellschaft | Verfahren zum Betreiben einer Brennstoffzellenvorrichtung, Brennstoffzellenvorrichtung sowie Kraftfahrzeug mit einer Brennstoffzellenvorrichtung |
| CN112431930A (zh) * | 2020-11-23 | 2021-03-02 | 石家庄禾柏生物技术股份有限公司 | 一种密封阀及包含该密封阀的出液结构 |
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Also Published As
| Publication number | Publication date |
|---|---|
| JP6931737B2 (ja) | 2021-09-08 |
| US20210091393A1 (en) | 2021-03-25 |
| KR20200035281A (ko) | 2020-04-02 |
| CN110959083A (zh) | 2020-04-03 |
| JP2020526726A (ja) | 2020-08-31 |
| DE102017212726B3 (de) | 2018-09-13 |
| CN110959083B (zh) | 2022-12-13 |
| KR102510781B1 (ko) | 2023-03-17 |
| US11682776B2 (en) | 2023-06-20 |
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