WO2025003071A1 - Drosselklappenvorrichtung, brennstoffzellensystem und fahrzeug - Google Patents
Drosselklappenvorrichtung, brennstoffzellensystem und fahrzeug Download PDFInfo
- Publication number
- WO2025003071A1 WO2025003071A1 PCT/EP2024/067675 EP2024067675W WO2025003071A1 WO 2025003071 A1 WO2025003071 A1 WO 2025003071A1 EP 2024067675 W EP2024067675 W EP 2024067675W WO 2025003071 A1 WO2025003071 A1 WO 2025003071A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- throttle valve
- end section
- section
- channel end
- adjustment
- 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
- 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
- F16K1/16—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 with pivoted closure-members
- F16K1/18—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 with pivoted closure-members with pivoted discs or flaps
- F16K1/20—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 with pivoted closure-members with pivoted discs or flaps with axis of rotation arranged externally of valve member
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D9/00—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
- F02D9/08—Throttle valves specially adapted therefor; Arrangements of such valves in conduits
- F02D9/10—Throttle valves specially adapted therefor; Arrangements of such valves in conduits having pivotally-mounted flaps
- F02D9/1035—Details of the valve housing
-
- 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
- F16K1/16—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 with pivoted closure-members
- F16K1/18—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 with pivoted closure-members with pivoted discs or flaps
- F16K1/22—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 with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly 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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/0209—Check valves or pivoted valves
- F16K27/0218—Butterfly valves
Definitions
- the invention relates to a throttle valve device, a fuel cell system with such a throttle valve device and a vehicle with such a throttle valve device or such a fuel cell system.
- Throttle valve actuators are known from the state of the art that are designed exclusively for their respective field of application.
- the object of the present invention is to create an alternative throttle valve device which is characterized in particular by its ease of manufacture, low manufacturing costs and/or its flexible use.
- a further object is to provide a fuel cell system with such a throttle valve device.
- a further object is to provide a vehicle with such a fuel cell system and/or such a throttle valve device.
- a throttle valve device having the features of claim 1.
- the throttle valve actuator comprises a throttle valve
- the throttle valve is adjustably arranged in the throttle valve channel middle section and a flow cross-section can be changed depending on the position of the throttle valve, wherein the flow cross-section is limited by the throttle valve and a recess geometry of the first throttle valve channel end section and/or a recess geometry of the second throttle valve channel end section, wherein in a plane perpendicular to an axis about which the throttle valve is adjustable, the recess geometry of the first throttle valve channel end section is designed to run along an adjustment range of the throttle valve and/or the recess geometry of the second throttle valve channel end section is designed to run along an adjustment range of the throttle valve.
- the throttle valve device is a throttle valve device for a fuel cell system. It is also advantageous if the throttle valve device is a throttle valve device for a fuel cell system of a vehicle, in particular a motor vehicle.
- the throttle valve channel middle section is formed as one piece with the throttle valve actuator. This eliminates the need for a separate assembly process, which further reduces manufacturing costs.
- the throttle valve has a circular or oval cross-section.
- the cross-section refers to a view perpendicular to the axis about which the throttle valve is adjustable and/or perpendicular to the extension surface of the throttle valve.
- the throttle valve can be adjusted by means of an electric motor.
- the throttle valve actuator and/or throttle valve device preferably comprise this electric motor.
- the electric motor is advantageously coupled to the throttle valve in a drive-transmitting manner.
- the position of the throttle valve is changeable due to its adjustability.
- the position of the throttle valve changes when the throttle valve is adjusted. This makes it possible to change the flow cross-section and in particular to adapt it to an operating point, preferably of a fuel cell system.
- the axis about which the throttle valve is adjustable extends in a plane in which the throttle valve extends.
- the axis about which the throttle valve is adjustable penetrates a plane in which the throttle valve extends at an angle.
- the axis about which the throttle valve is adjustable runs parallel to and at a distance from a plane in which the throttle valve extends.
- the axis is defined by a shaft to which the throttle valve is connected in a drive-transmitting manner. This means that a shaft extends in the direction of the axis.
- the connection can be materially bonded, positively bonded and/or force-fitted.
- the axis about which the throttle valve is adjustable is an adjustment axis, adjustment shaft or throttle valve adjustment axis, throttle valve adjustment shaft.
- the adjustment range of the throttle valve means an adjustment movement course of the throttle valve. Furthermore, it is particularly preferred if the two recess geometries are opposite one another. The throttle valve is preferably arranged between the two recess geometries.
- the recess geometry or the recess geometries are non-penetrating and/or continuous. This reduces pressure drops in a flow to be regulated.
- a preferred embodiment is characterized in that the adjustment range comprises a first adjustment sub-range, that the recess geometry of the first throttle valve channel end section and/or the recess geometry of the second throttle valve channel end section is designed for the first adjustment sub-range such that the flow cross-section is constant or variable over the entire first adjustment range when the throttle valve is adjusted in the first adjustment sub-range.
- the throttle valve is adjustable about the axis such that the recess geometry in the plane perpendicular to the axis in the first adjustment sub-range runs parallel to the adjustment range or first adjustment sub-range of the throttle valve. This refers to the first and/or second throttle valve channel end section.
- the variability of the flow cross-section over the entire first adjustment sub-area means in particular that the flow cross-section can be changed depending on the position of the throttle valve in the first adjustment sub-area.
- the changeability and/or variability of the flow cross-section means in particular a changeability of the flow cross-sectional area and/or the flow cross-sectional shape of the flow cross-section.
- the definitions mentioned above are preferably also valid for partial flow cross-sections.
- the first adjustment sub-area is merely an adjustment sub-area and not the first adjustment sub-area.
- the flow cross-section comprises a first and a second partial flow cross-section.
- the first partial flow cross-section is defined and/or limited by the throttle valve and the recess geometry of the first throttle valve end section.
- the second partial flow cross-section is defined and/or limited by the throttle valve and the recess geometry of the second throttle valve end section.
- the two recess geometries can both be adapted to the first adjustment range of the throttle valve in such a way that one of the two partial flow cross-sections is constant over the entire first adjustment range when the throttle valve is adjusted in the first adjustment range, while the other partial flow cross-section is variable.
- An embodiment in which both are constant or both are variable is also conceivable.
- a further preferred embodiment is characterized in that the adjustment range comprises a second adjustment sub-range, that the recess geometry of the first throttle valve channel end section and/or the recess geometry of the second throttle valve channel end section is designed for the second adjustment sub-range such that the flow cross-section is variable over the entire second adjustment sub-range when the throttle valve is adjusted in the second adjustment sub-range.
- a further preferred embodiment is characterized in that the flow cross-section in the second adjustment range is more variable when the throttle valve is adjusted than when the throttle valve is adjusted in the first adjustment range.
- the change in the position of the throttle valve preferably relates to a change in the angle of the throttle valve, with this change in angle relating to the position of the throttle valve in relation to the axis about which the throttle valve is adjustable.
- the pressure drop achieved in the throttle valve device varies depending on the change in the position of the throttle valve in the first and second adjustment ranges. It is also preferable if a curvature of the recess geometry in the plane perpendicular to the axis about which the throttle valve is adjustable is greater in the second adjustment range than in the first adjustment range.
- first adjustment sub-area, the second adjustment sub-area, the adjustment range and/or the transition between the first and the second adjustment sub-area is continuous in the plane perpendicular to the axis about which the throttle valve is adjustable.
- a further preferred embodiment is characterized in that the first adjustment section is arranged between the second adjustment section and a closed position or minimum position.
- the closed position preferably means that the flow cross-section is completely closed by the throttle valve. Completely closed here preferably means that the flow cross-sectional area of the flow cross-section is zero.
- the minimum position preferably means that the throttle valve assumes a position in which the flow cross-sectional area assumes a minimum value compared to all other possible positions of the throttle valve.
- the throttle valve rests against a seal in one or the closed position of the throttle valve.
- the seal is preferably designed as an elastomer seal. In other words, it consists of or includes an elastomer, which increases the sealing effect of the throttle valve in this position.
- a further preferred embodiment is characterized in that the recess geometry of the second throttle valve channel end section is designed for the second adjustment sub-area in such a way that the flow cross-section in the second adjustment sub-area increases with increasing distance of the position of the throttle valve from the closed position, minimum position or the first adjustment sub-area. In other words, the flow cross-sectional area increases with increasing distance. It is possible for one of the two partial flow cross-sections to maintain a constant partial flow cross-sectional area with increasing distance of the position of the throttle valve from the closed position, minimum position or the first adjustment sub-area.
- a further preferred embodiment is characterized in that the recess geometry of the first throttle valve channel end section and/or the recess geometry of the second throttle valve channel end section is spherical, preferably negatively spherical.
- the recess geometry of at least one of the two throttle valve end sections is elliptical, preferably also continuous, in the plane perpendicular to the axis about which the throttle valve is adjustable.
- a further preferred embodiment is characterized in that the first throttle valve channel end section and/or the second throttle valve channel end section is designed separately from the throttle valve actuator and/or the throttle valve channel middle section. This makes it possible to create different throttle valve devices with one and the same throttle valve actuator by simply providing different throttle valve channel end sections.
- a further preferred embodiment is characterized in that the first throttle valve channel end section and/or the second throttle valve channel end section is detachably fastened to the throttle valve actuator and/or to the throttle valve channel middle section.
- a screw connection is preferably provided for this fastening.
- the throttle valve channel middle section comprises a receiving space in which the throttle valve is arranged, and that the first throttle valve channel end section comprises a fluid channel that is fluidically connected to the receiving space, and/or the second throttle valve channel end section comprises a fluid channel that is fluidically connected to the receiving space.
- the fluid channels of the two throttle valve channel end sections lead fluidically into the receiving space in such a way that a fluid that can be conveyed into the receiving space by means of the fluid channel of the first throttle valve channel end section can be guided out of the receiving space by means of the fluid channel of the second throttle valve channel end section.
- a further preferred embodiment is characterized in that the receiving space is arranged fluidically between the fluid channel of the first throttle valve channel end section and the fluid channel of the second throttle valve channel end section. It is also preferable if a fluid which enters the receiving space through one of the fluid channels can only exit the receiving space via the other fluid channel and/or through the same fluid channel.
- a further preferred embodiment is characterized in that a first vector which runs through the center of gravity of the flow cross section of the fluid channel of the first throttle valve channel end section and/or that a second vector which runs through the center of gravity of the flow cross section of the fluid channel of the second throttle valve channel end section.
- the flow cross-section of the fluid channel of the first throttle valve channel end section means a flow cross-section at a point along the course of the same fluid channel.
- it is a flow cross-section that fluidically directly adjoins or borders the receiving space.
- the flow cross-section of the fluid channel of the second throttle valve channel end section means a flow cross-section at a point along the course of the same fluid channel.
- it is a flow cross-section that fluidically directly adjoins or borders the receiving space.
- the flow cross section of the fluid channel of the first and/or second throttle valve channel end section runs perpendicular to a flow direction of a fluid that can be conveyed through the respective fluid channel.
- the first or the second vector runs perpendicular to the respective flow cross section.
- the throttle valve device is designed for a gas, preferably air.
- a further preferred embodiment is characterized in that the throttle valve is cut by the first vector at a first point, which is arranged at a distance from a further point at which the throttle valve is cut by the second vector.
- the two fluid channels of the throttle valve channel end sections are arranged offset from one another. This offset preferably relates to a plane that runs perpendicular to one of the vectors or perpendicular to both of the vectors.
- a further preferred embodiment is characterized in that the throttle valve moves away from the first throttle valve channel end section at a first point at which it is intersected by the first vector when the throttle valve is adjusted from the closed position or the minimum position in the direction of the first adjustment sub-range or from the first adjustment sub-range in the direction of the second adjustment sub-range.
- a further preferred embodiment is characterized in that the throttle valve at a second location, where it is intersected by the second vector, when the throttle valve is adjusted from the closed position or the minimum position in the direction of the first adjustment range or from the first adjustment range in the direction of the second adjustment range away from the second throttle valve channel end section.
- a further preferred embodiment is characterized in that the vectors run at a distance from one another and/or the vectors intersect outside the recording space.
- the object with regard to the fuel cell system is achieved by a fuel cell system which comprises at least one throttle valve device according to the invention.
- the object with regard to the vehicle is achieved by a vehicle which comprises a fuel cell system according to the invention and/or at least one throttle valve device according to the invention.
- the vehicle is preferably a motor vehicle, a passenger car or a truck, which particularly preferably has an electric drive. It is particularly preferred if the vehicle only has an electric drive.
- Fig. 1 a vehicle with a fuel cell system and a throttle valve device
- Fig. 2a a throttle valve device
- Fig. 2b is a sectional view through a throttle valve device
- Fig. 2c a detailed view of Fig. 2b
- Fig. 3a a throttle valve channel end section
- Fig. 3b another throttle valve channel end section.
- FIG. 1 shows a vehicle 1 according to the invention with a fuel cell system 2 according to the invention and a throttle valve device 3a.
- the vehicle 1 is a motor vehicle with an electric drive, wherein the electric drive can be supplied with electrical energy by the fuel cell system 2 and a flow channel of the fuel cell system 2 can be regulated by means of the throttle valve device 3a.
- FIG. 2a shows the throttle valve device 3a according to the invention, which comprises an electric motor 12 with which a throttle valve of the throttle valve device 3a can be adjusted.
- the throttle valve device 3a comprises a throttle valve channel middle section 4a, a first throttle valve channel end section 4b and a second throttle valve channel end section 4c. While the throttle valve channel middle section 4a is formed in one piece with the housing of the throttle valve actuator, the two throttle valve channel end sections 4b, 4c are formed separately from the throttle valve channel middle section 4a and are attached to the throttle valve channel middle section 4a by means of a detachable screw connection.
- FIG 2b shows a sectional view through the throttle valve device 3a of Figure 2a.
- the section of the sectional view runs in the XY plane, which extends perpendicular to an axis 6 about which a throttle valve 5 is adjustable.
- a seal 9 is clamped between the throttle valve channel middle section 4a and the first throttle valve channel end section 4b. The throttle valve 5 rests sealingly against the seal 9 in a closed position.
- the first throttle valve channel end section 4b comprises a fluid channel 7a, the flow cross-section of which has a flow cross-sectional area with a center of gravity through which a first vector 7b runs perpendicular to the associated flow cross-sectional area.
- the second throttle valve channel end section 4c also comprises a fluid channel 8a, the flow cross-section of which has a flow cross-sectional area with a center of gravity through which a second vector 8b runs perpendicular to the associated flow cross-sectional area.
- the two vectors 7b, 8b run at a distance from one another and intersect the throttle valve in the closed position of the throttle valve 5 at two points that are spaced apart from one another.
- the point intersected by the first vector 7b moves away from the first throttle valve channel end section 4b when the throttle valve 5 is adjusted from the closed position.
- the point intersected by the second vector 8b moves away from the second throttle valve channel end section 4c when the throttle valve 5 is adjusted from the closed position.
- the throttle valve device 3a also comprises a plug 3b, which serves to supply energy to the throttle valve device 3a, including in particular the energy supply to the electric motor.
- the plug 3b also serves to output signals that are representative of the position of the throttle valve 5.
- the throttle valve device 3a comprises a position sensor that is designed to measure the position of the throttle valve 6 via the position of the shaft 6.
- FIG 2c shows a detailed view of the sectional view from Figure 2a.
- An adjustment range 11 can be seen, which comprises a first adjustment sub-range 11a and a second adjustment sub-range 11b.
- the adjustment range 11 of the throttle valve 5 extends from the closed position to an open position with maximum flow cross-section.
- Figure 3a shows the first throttle valve channel end section 4b from Figures 2a to 2c.
- the throttle valve channel end section 4b is designed separately and comprises through-openings 4e distributed evenly around the circumference, which serve as screw connections with the throttle valve channel middle section of the throttle valve device.
- a monolithically designed shaped element 4d ensures that the throttle valve device is properly mounted in the right place and in the right alignment with the throttle valve channel middle section.
- An associated recess is provided for this purpose in the throttle valve middle section.
- a recess geometry 10a is shown, which together with the throttle valve limits the flow cross section of the throttle valve device.
- the fluid channel 7a is also shown.
- FIG 3b shows the second throttle valve channel end section 4c from Figures 2a to 2c.
- the throttle valve channel end section 4c is formed separately and comprises through-openings 4e distributed evenly around the circumference, which serve for screw connections with the throttle valve channel middle section of the throttle valve device.
- a projection 4f is also shown, which serves for a clamp connection of a seal between the throttle valve channel end section 4c and the throttle valve channel middle section.
- the fluid channel 8a can also be seen.
- a recess geometry 10b is shown, which together with the throttle valve limits the flow cross section of the throttle valve device.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
Abstract
Description
Claims
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP24736012.6A EP4735780A1 (de) | 2023-06-29 | 2024-06-24 | Drosselklappenvorrichtung, brennstoffzellensystem und fahrzeug |
| CN202480040898.7A CN121488119A (zh) | 2023-06-29 | 2024-06-24 | 节流阀装置、燃料电池系统、以及交通工具 |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP23465521 | 2023-06-29 | ||
| EP23465521.5 | 2023-06-29 | ||
| DE102023206465.0A DE102023206465A1 (de) | 2023-06-29 | 2023-07-07 | Drosselklappenvorrichtung, Brennstoffzellensystem und Fahrzeug |
| DE102023206465.0 | 2023-07-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2025003071A1 true WO2025003071A1 (de) | 2025-01-02 |
Family
ID=91664802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/EP2024/067675 Ceased WO2025003071A1 (de) | 2023-06-29 | 2024-06-24 | Drosselklappenvorrichtung, brennstoffzellensystem und fahrzeug |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP4735780A1 (de) |
| CN (1) | CN121488119A (de) |
| WO (1) | WO2025003071A1 (de) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6352241B1 (en) * | 1998-11-26 | 2002-03-05 | Mannesmann Vdo Ag | Butterfly valve body |
| US20040149257A1 (en) * | 2001-09-26 | 2004-08-05 | Robert Bosch Gmbh | Variant-reduced throttle device with interchangeable housing parts |
| US6840260B2 (en) * | 2001-08-23 | 2005-01-11 | Siemens Ag | Method of manufacturing a throttle valve connection piece and a housing therefor |
| US20210101491A1 (en) * | 2019-10-03 | 2021-04-08 | Marelli Europe S.P.A. | Throttle Valve for Adjusting the Feeding of a Gas to a Fuel Cell and Electric Drive Vehicle Including the Throttle Valve |
-
2024
- 2024-06-24 EP EP24736012.6A patent/EP4735780A1/de active Pending
- 2024-06-24 CN CN202480040898.7A patent/CN121488119A/zh active Pending
- 2024-06-24 WO PCT/EP2024/067675 patent/WO2025003071A1/de not_active Ceased
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6352241B1 (en) * | 1998-11-26 | 2002-03-05 | Mannesmann Vdo Ag | Butterfly valve body |
| US6840260B2 (en) * | 2001-08-23 | 2005-01-11 | Siemens Ag | Method of manufacturing a throttle valve connection piece and a housing therefor |
| US20040149257A1 (en) * | 2001-09-26 | 2004-08-05 | Robert Bosch Gmbh | Variant-reduced throttle device with interchangeable housing parts |
| US20210101491A1 (en) * | 2019-10-03 | 2021-04-08 | Marelli Europe S.P.A. | Throttle Valve for Adjusting the Feeding of a Gas to a Fuel Cell and Electric Drive Vehicle Including the Throttle Valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN121488119A (zh) | 2026-02-06 |
| EP4735780A1 (de) | 2026-05-06 |
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