WO2022117385A2 - Ventil für einen massenstrom in einem fahrzeug - Google Patents
Ventil für einen massenstrom in einem fahrzeug Download PDFInfo
- Publication number
- WO2022117385A2 WO2022117385A2 PCT/EP2021/082472 EP2021082472W WO2022117385A2 WO 2022117385 A2 WO2022117385 A2 WO 2022117385A2 EP 2021082472 W EP2021082472 W EP 2021082472W WO 2022117385 A2 WO2022117385 A2 WO 2022117385A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- opening
- recess
- valve element
- section
- connection opening
- Prior art date
Links
- 239000012530 fluid Substances 0.000 claims abstract description 7
- 238000007789 sealing Methods 0.000 claims description 12
- 230000007423 decrease Effects 0.000 claims description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- QQONPFPTGQHPMA-UHFFFAOYSA-N Propene Chemical compound CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003507 refrigerant Substances 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000001273 butane Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000007792 gaseous phase Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 1
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/08—Details
- F16K5/12—Arrangements for modifying the way in which the rate of flow varies during the actuation of the valve
-
- 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
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/06—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
- F16K5/0605—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor with particular plug arrangements, e.g. particular shape or built-in means
-
- 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
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
- F16K11/08—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks
- F16K11/087—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks with spherical plug
- F16K11/0873—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks with spherical plug the plug being only rotatable around one spindle
- F16K11/0876—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks with spherical plug the plug being only rotatable around one spindle one connecting conduit having the same axis as the spindle
-
- 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
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/08—Details
- F16K5/10—Means for additional adjustment of the rate of flow
-
- 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
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/04—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having cylindrical surfaces; Packings therefor
- F16K5/0407—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having cylindrical surfaces; Packings therefor with particular plug arrangements, e.g. particular shape or built-in means
Definitions
- the invention relates to a valve for a mass flow, in particular for a vehicle.
- DE 102017 101 208 A1 discloses a valve for a heat pump system in a vehicle.
- the valve has an inlet, at least two outlets and a valve element.
- the valve element has at least one passage and an expansion recess made in an outer surface of the valve element and connected to an opening of the passage.
- the object of the invention is to provide an improved valve for a mass flow.
- a valve is to be provided which enables better controllability of the mass flow.
- the object of the invention is achieved by the valve according to claim 1.
- the proposed valve has the advantage that a usable angular range for controlling the mass flow is expanded.
- the term fluid is understood to mean a medium which, depending on the prevailing thermodynamic conditions, can be present both in a liquid phase and in a gaseous phase.
- a fluid of the type in question is a heat transfer medium which is used within the fluid circuit running circulates.
- the fluid is a natural refrigerant such as hydrocarbons, carbon dioxide, ammonia, propane, butane, propene, water or a synthetic refrigerant such as chlorofluorocarbons or hydrofluorocarbons.
- the proposed valve has a housing with at least one first and one second connection opening.
- the connection openings open into a valve chamber of the housing.
- a valve element is mounted in the valve chamber so that it can rotate about an axis of rotation.
- the valve element has a channel, which is designed, for example, as a through bore, which opens into the outer surface of the valve element with a first and a second through opening.
- at least one recess is made in the outer surface at a distance from the through-openings and the through-bore.
- the valve element can be rotated about an axis of rotation in the housing via a drive element.
- the port openings may each have a valve seat that seals the port openings from a gap formed between the valve element and the housing.
- the at least one recess and the first passage opening are arranged at the same height as the first connection opening.
- the at least first connection opening, the first through opening and the at least one recess are arranged in a region in relation to the axis of rotation, so that for a predetermined rotational position range of the valve element, a hydraulic opening cross section between the first connection opening and the recess decreases when the rotational angle of the valve element increases , while a hydraulic opening area between the first connection opening and the first through opening increases.
- fluid flows over the recess and over the first through opening.
- At least one further recess and the second passage opening are arranged at the same height as the second connection opening, viewed along the axis of rotation of the valve element.
- the at least second connection opening, the second through hole and the at least one further recess are arranged in one area in relation to the axis of rotation, so that depending on the rotational position of the valve element, an overlap between the second connection opening and the further recess and the intermediate space can be adjusted.
- the second through hole also has an overlap with the intermediate space.
- the recess, the first passage opening and the first connection opening are arranged and designed in such a way that in a first rotational position range of the valve element the recess has a first overlap with the first connection opening and a second overlap with the intermediate space. In this way, the recess establishes a connection between the first connection opening and the intermediate space.
- the first through opening has a third overlap with the intermediate space.
- the intermediate space and/or the second passage opening are connected to the second connection opening. In this way, a connection between the second connection opening and the first connection opening is made possible in the first rotational position range of the valve element.
- the recess also has a first overlap with the first connection opening and a second overlap with the intermediate space.
- the first through opening has a fourth overlap with the first connection opening and a third overlap with the intermediate space.
- the second Through opening and / or the gap connected to the second connection opening is also in the second rotational position range. In the second rotational position range, there is thus a superposition, in which both the recess and the first through-opening each have an overlap with the first connection opening.
- the first and second rotational position ranges represent a specified angular range of the rotational position of the valve element.
- the recess, the first passage opening and the first connection opening are designed in such a way that when the valve element is rotated further in the direction of rotation in a third rotational position range, the recess no longer overlaps the first connection opening.
- the first through opening also has a fourth overlap with the first connection opening and no longer has a third overlap with the intermediate space.
- the second through hole is also connected to the second connection hole in the third rotational position range. In the third rotational position range, a mass flow between the two connection openings is only guided directly through the through hole.
- the first recess, the first through-opening and the first connection opening are designed in such a way that in the first rotational position range, as the rotational position of the valve element increases, a hydraulic opening cross-section between the first connection opening and the first through-opening increases, in particular linearly.
- the recess, the first through-opening and the first connection opening are designed in such a way that in the second rotational position range of the valve element, with an increase in the rotational angle of the valve element in the direction of rotation, the hydraulic opening cross-section between the first connection opening and the first through-opening and of the recess increases, in particular increases linearly.
- the hydraulic cross-section is defined both by the overlapping of the first connection opening with the first through-opening and by the overlapping of the first connection opening with the recess, the overlapping of the recess with the chamber and the overlapping of the chamber with the first through-opening.
- the recess can also be designed in the form of a first partial recess and in the form of a second partial recess, the first and second partial recesses being introduced separately from one another in the outer surface of the valve element. Seen along the direction of rotation of the valve element, the first and the second partial recess are arranged next to one another in a partial angular range. In this way it is ensured that there is always a connection between the first connection opening and the intermediate space in the first and second rotational position range. Thus, in a specific rotational position of the valve element, the first connection opening can be connected to the intermediate space both via the first partial recess and via the second partial recess.
- the formation of the recess in the form of a first and a second partial recess enables simplified production of the recess in the outside of the valve element.
- the recess extends to a predetermined distance from the first through-opening.
- the recess can preferably be arranged symmetrically to a center of the through-opening, viewed along the axis of rotation.
- An end surface of the recess, which faces an edge portion of the first through hole, may be formed parallel to the edge portion of the first through hole.
- the through-opening has, for example, an arcuate edge section on.
- the end face of the recess can preferably be arcuate and parallel to the course of the arcuate edge section. In this way, an improved linearization of the mass flow can be achieved with an increasing rotational position of the valve element.
- the first partial recess can be arranged with a center axis, for example viewed along the axis of rotation, at the level of a center of the first through-opening.
- the second partial recess can be arranged above or below the center of the first passage opening, viewed along the axis of rotation.
- the first and second partial recesses can, for example, be made in the form of strip-shaped recesses in the outer surface of the valve element.
- a third partial recess can be provided, which is arranged mirror-symmetrically to the second partial recess in relation to a central axis of the partial recess.
- the second partial recess is arranged above the first partial recess and the third partial recess below the first partial recess.
- the first and the second and, for example, the third partial recess are arranged within the region of the first through-opening, as viewed along the axis of rotation.
- the recess extends to a predetermined distance from the first through-opening.
- An end surface of the recess facing the first through hole may be formed parallel to an edge portion of the first through hole. It is thus possible to form the end surface of the recess as close as possible to the edge section of the first through-opening. As a result, the smallest possible change in the mass flow is achieved in the rotational position of the valve element in which the recess no longer overlaps with the first outlet opening.
- the recess is formed in one piece with a first section and a second section.
- the first section extends perpendicular to the axis of rotation.
- the first part- section introduced as a rectangular area in the outer surface of the valve element.
- the first subsection can be arranged with a center axis perpendicular to the axis of rotation and at a height of the center of the first through-opening.
- the second section is led out laterally at the end of the first section from the first section and extends along the edge section of the first passage opening over a predetermined area in the direction of the axis of rotation upwards or downwards a predetermined distance.
- a simple geometry of the recess can be provided, which enables a desired increase in the mass flow, in particular an increase in the mass flow that is as linear as possible with an increase in the angle of rotation of the valve element.
- the hydraulic opening cross section between the first connection opening and the recess can be increased as a result of the second partial section as the angle of rotation of the valve element increases. In this way, a non-linear increase in the overlap between the first through opening and the first connection opening can be compensated for, in particular at the beginning of the overlap.
- the recess has a third section, the third section being symmetrical and opposite to the second section with respect to a central axis of the first section and being connected to the first section.
- Improved flow guidance can be achieved by the design of the second and third sections.
- the second and the third section can form the shape of a partial circle, in particular can be arranged mirror-symmetrically to the central axis of the first section.
- the central axis is preferably arranged perpendicularly to the axis of rotation.
- the second and third sections are arranged mirror-symmetrically to the central axis of the first section, the second and third sections having a circular arc shape on a first side facing the first through-opening.
- the second and the third section On a second side opposite the first side, the second and the third section have a straight surface.
- the second sides of the second and third section are mirror-symmetrical to the central axis of the first section cut trained.
- first and the second recess or other recesses can also be connected to one another via a channel within the valve element.
- At least one recess can be connected to the channel and/or the through-openings in all of the embodiments
- Figure 1 shows a schematic representation of a first embodiment of a valve with a spherical valve element
- FIG. 2 shows a schematic partial section of the inner wall of the valve chamber
- FIG. 3 shows a schematic representation of a second embodiment of the valve with a cylindrical valve element
- Figures 4 to 7 schematic representations of different rotational positions of the valve element with a view of the outer surface of the valve element and the schematic representation of the first connection opening and the intermediate space
- FIG. 8 to 12 schematic representations of outer surfaces of different embodiments of the valve element
- FIG. 13 different rotational positions of the valve element with a view of the first passage opening and in cross section perpendicular to the axis of rotation of the valve element
- Figure 14 in a schematic representation a diagram for a
- FIG. 1 shows a valve 1 in a schematic cross section, which has a housing 2 with a valve chamber 3 .
- a valve element 4 is mounted in the valve chamber 3 so that it can rotate about an axis of rotation 5 .
- An intermediate space 21 is formed between the valve element 4 and the housing 2 .
- the intermediate space 21 forms a volume through which a flow can flow between the valve element 4 and the housing 2.
- the valve element 4 is connected to a drive element 6, which is coupled to a drive 7.
- the drive element 6 is sealed off from the housing 2 so that the passage of the drive element 6 is sealed off from the intermediate space 21 .
- the valve element 4 can be rotated about the axis of rotation 5 with the aid of the drive element 6, which is embodied in the form of a cylinder, for example.
- the valve element 4 has a spherical outer surface 8 .
- the valve chamber 3 has an inner wall 9 which is also spherical in large areas.
- the housing 2 has a first connection 61 which runs from the outside of the housing 2 to the valve chamber 3 and opens into the valve chamber 3 with a first connection opening 10 .
- a first valve seat 71 is formed around the first connection opening 10, against which the outer surface 8 of the valve element bears in a sealing manner.
- the first valve seat can in particular be designed as a substantially ring-shaped sealing element which forms a sealing interface between the housing and the valve element.
- the first connection opening 10 can be designed, for example, in the form of a bore with a circular cross section.
- the housing 2 has a second connection 62 which runs from the outside of the housing 2 to the valve chamber 3 and opens into the valve chamber 3 with a second connection opening 11 .
- the second connection opening 11 can be formed, for example, as a bore with a circular cross section.
- a second valve seat 72 can be formed around the second connection opening 11, against which the outer surface 8 of the valve element 4 bears in a sealing manner.
- the second valve seat can in particular be substantially annular Be formed sealing element, which forms a sealing interface between the housing and the valve element.
- the first and second connection openings 10, 11 are arranged on one axis. Depending on the selected embodiment, the first and the second connection opening 10, 11 can also be arranged at a fixed angle to one another.
- the valve element 4 has a through hole 12 .
- the through bore 12 extends from a first through opening 13 to a second through opening 14.
- the first and second through openings 13, 14 are arranged on the outer surface 8 of the valve element 4.
- the through hole 12 is in the form of a straight hole.
- the through hole 12 can also have other shapes.
- the first and second through openings 13, 14 cannot be arranged on an axis through the center of the valve element.
- the sizes and shapes of the through-openings 13, 14 can be designed differently.
- FIG. 2 shows schematic partial sections of the inner wall 9 of the valve chamber 3.
- the first connection opening 10 is surrounded by the annular sealing seat 71.
- the second connection opening 11 can also be surrounded by a second annular sealing seat 72 .
- the inner wall 9 of the valve chamber 3 has a substantially spherical shape analogous to the outer surface 8 of the valve element 4 .
- valve 1 can also have a cylindrical valve element 4 and a cylindrical valve chamber 3, as shown in FIG. Except for the different shapes of the valve chamber 3 and the valve element 4 and the sealing seats, the valves 1 of FIGS. 1 and 3 are of the same design.
- FIG. 4 shows a two-dimensional projection of a partial section of the outer surface 8 of the valve element 4 over an angular range of 180°.
- the axis of rotation 5 is perpendicular to the axis of the angle shown.
- the valve element 4 can have both a spherical shaped and have a cylindrical outer surface 8 .
- the view shown represents one half of the outer surface 8 of the valve element 4.
- the outer surface 8 of the valve element 4 can have a second half which is designed identically to the half shown.
- the second half of the outer surface 8 can also be designed differently.
- the outer surface 8 has the first through-opening 13 and a first recess 15 made in the outer surface 8 .
- the first passage opening 13 has a circular cross section.
- the first passage opening 13 can also have a different cross section.
- the first recess 15 has the shape of a rectangular surface, which is arranged essentially perpendicularly to the axis of rotation 5 .
- the first recess 15 is arranged at a distance from the first through-opening 13 . Furthermore, the first recess 15 is arranged with a center axis 26 perpendicular to the axis of rotation and in relation to the axis of rotation 5 at the level of the center 18 of the first through-opening 13 . Depending on the selected embodiment, the first recess 15 can also have other shapes and/or be arranged at a different height relative to the first passage opening 13 .
- a second recess 16 is also made in the outer surface 8 of the valve element 4 .
- the second recess 16 is arranged above the first recess 15 and in a height range of the first through-opening 13 with respect to the axis of rotation 5 .
- the second recess 16 has a similar width along the axis of rotation 5 as the first recess 15 .
- the second recess 16 is formed at a distance from the first recess 15 and at a distance from the first through-opening 13 .
- the second recess 16 viewed in the direction of rotation 17, does not extend as far away from the first through-opening 13 as the first recess 15.
- the second Recess 16 has an end surface 19 which faces an edge section 20 of first through-opening 13 .
- the end face 19 is formed parallel to the edge portion 20 .
- the end surface 19 can also have a different shape, in particular it can be arranged parallel to the axis of rotation 5 as a straight end surface 19 .
- the first and the second recess 15, 16 can have different depths along the direction of rotation, with which they are introduced into the outer surface 8 of the valve element 4.
- the depth of the first and second recesses 15, 16 can increase in the direction of the first through-opening 13.
- the cross-sectional areas and the depths of the first and second recesses 15, 16 are designed in such a way that a desired hydraulic opening cross-section is achieved.
- the hydraulic flow cross section is referred to as the hydraulic opening cross section.
- FIG. 4 schematically shows the first connection opening 10 with the first valve seat 71 in the form of a dashed circle.
- the intermediate space 21 adjoins the outer surface 8 outside of the sealing seat 71 of the first connection opening 10 .
- the first and second recesses 15, 16 overlap with the intermediate space 21.
- the first through-opening 13 overlaps with the intermediate space 21 .
- no mass flow can flow through the valve.
- the valve is in a closed position.
- Figure 5 shows a schematic representation of the two-dimensional projection of the partial section of the outer surface 8 of the valve element 4 of Figure 4 with a rotational position of the valve element 4 in which the valve element 4 has been moved further by an angular range in the direction of rotation 17 compared to the position of Figure 4.
- the first recess 15 covers the first connection opening 10 .
- the first and the second recess 15 , 16 overlap with the intermediate space 21 .
- the first through-opening 13 overlaps with the intermediate room 21 on.
- the second through-opening communicates with the second connection opening.
- a connection via the first connection opening 10, the first recess 15, the intermediate space 21, the first through-opening 13, the through-hole 14, the second through-opening 14 and the second connection opening 11 is open.
- the intermediate space 21 can be connected to the second connection opening 11 .
- a mass flow can thus flow through the valve 1 .
- Figure 6 shows the schematic representation of the two-dimensional projection of the section of the outer surface 8 of the valve element 4 for a further rotational position of the valve element 4, in which the valve element 4 was moved further along the direction of rotation 17 compared to the position in Figure 5.
- the first through-opening 13 overlaps with the intermediate space 21 .
- the first recess 15 overlaps the first connection opening 10 , but no longer overlaps the intermediate space 21 .
- the second recess 16 overlaps the first connection opening 10 .
- the second recess 16 overlaps with the intermediate space 21 .
- the second passage opening 14 and/or the intermediate space are also connected to the second connection opening 11 in this position.
- connection between the first connection opening 10 and the second connection opening 11 is also opened in this rotational position of the valve element 4 .
- the connection is made via the second recess 16, the intermediate space 21 and the first through-opening 13, the through-bore and the second through-opening 14 and/or the intermediate space 21.
- Figure 7 shows the schematic representation of the two-dimensional projection of the section of the outer surface 8 of the valve element 4 for a fourth rotational position of the valve element 4, in which the valve element 4 compared to the position of Figure 6 by a further angular range in the direction of rotation 17 has been moved.
- the second passage opening 14 can have an overlap with the second outlet opening 11.
- the second recess 16 has an overlap with the gap 21 to which also the first through opening 13 is adjacent.
- the intermediate space 21 can also be connected to the second connection opening.
- the valve is therefore also open in this rotary position.
- the first passage opening 13, the intermediate space 21, the first and the second recess 15, 16 and the first connection opening 10 are designed in such a way that between the rotational positions of the valve element 4 in Figures 4 and 7 there is an increase in the hydraulic opening cross section between the first Connection opening 10 and the first through-opening 13 and the first and second recesses 15, 16 takes place with an increase in the angle of rotation.
- the increase in the hydraulic opening cross section preferably occurs linearly with the increase in the angle of rotation in the direction of rotation.
- the first through-opening 13, the intermediate space 21 and the first connection opening 10 are preferably designed in such a way that between the rotational position of Figure 7 and the complete overlap between the first through-opening 13 and the first connection opening 10, there is an increase in the hydraulic opening cross-section between the first connection opening 10 and the first passage opening 13 takes place with an increase in the angle of rotation.
- the increase in the hydraulic opening cross section preferably occurs linearly with the increase in the angle of rotation in the direction of rotation.
- the second passage opening 14 is also connected to the second connection opening 11 during this rotation of the valve element 4 .
- the second recess 16 can also be dispensed with.
- FIGS. 8 to 12 show further possible embodiments of the outer surface 8 of the valve element 4. All the outer surfaces 8 described can be formed on a spherical or cylindrical valve element 4.
- Figure 8 shows a schematic representation of a valve 1 with a view from the outside of the first connection opening 10 with an embodiment of a valve element 4, which has an outer surface 8 according to Figure 4, but in addition a third recess 22 may be provided, which is preferably mirror-symmetrical to the second Recess 16 is arranged in relation to a central axis 26 of the first recess 15.
- the central axis 26 is arranged perpendicularly to the axis of rotation 5 .
- the third recess 22 is also made in the outer surface 8 of the valve element 4 .
- the third recess 22 and the second recess can also be connected to the first recess 15 via a further recess in the outer surface 8 of the valve element 4 .
- FIG. 9 shows a schematic representation of a valve 1 with a view from the outside of the first connection opening 10 with a further embodiment of a valve element 4 in which the first recess 15 has a first section 23 and a second section 24 .
- the first partial section 23 is arranged in the center of a center point of the first through-opening 13 as seen along the axis of rotation 5 .
- the first section 23 extends perpendicularly to the axis of rotation in the direction of rotation and is formed as a straight section.
- the second section 24 extends laterally upwards from an end region of the first section 23 which faces the first through-opening 13 .
- the second partial section 24 is led away from the central axis 26 by a predetermined distance along the edge section 20 of the first through-opening 13 .
- the second section 24 can preferably be arranged parallel to the edge section 20 of the first passage opening.
- Figure 10 shows a schematic representation of a valve 1 with a view from the outside of the first connection opening 10 with a further embodiment of a nes valve element 4 with an outer surface 8, which has a recess with a first section 23 and a second section 24, wherein the first section 23 is identical to the embodiment of Figure 9 is formed.
- the second section 24 is formed on the side 81, which faces the edge section 20 of the first through opening 13, along the edge section 20, in particular parallel to the edge section 20 as in Figure 9.
- the opposite second side 82 of the second section 24 is however straight side trained. In this way, an improved flow compared to FIG. 9 can be achieved, since a transition area between the first section 23 and the second section 24 has a smaller change in direction of the flow compared to FIG.
- Figure 11 shows a schematic representation of a valve 1 with a view from the outside of the first connection opening 10 with a further embodiment of a valve element with an outer surface 8, which is designed essentially according to Figure 9, with a third section 25 being provided in addition to the second section 24 is.
- the third section 25 is arranged mirror-symmetrically to the second section 24 in relation to a central axis 26 of the first section 23 . In this way, a further improvement in the flow can be achieved.
- Figure 12 shows a schematic representation of a valve 1 with a view from the outside of the first connection opening 10 with a further embodiment of a valve element 4 with an outer surface 8, which is essentially designed according to the embodiment of Figure 10, but with a third section 25 is formed, wherein the third section 25 is arranged mirror-symmetrically to the second section 24 with respect to the central axis 26 of the first section 23.
- a further improvement in the flow can also be achieved in this way.
- the views through the second connection opening for the respective rotational position of the valve element 4 of Figures 8 to 12 are identical to the views shown in Figures 8 to 12 of the first connection opening 10.
- the views through the second connection opening for the respective rotational position of the valve element 4 of FIGS. 8 to 12 may also differ from the views shown in FIGS. 8 to 12 of the first connection opening 10.
- Figure 13 shows different views of the valve for different rotational positions of the valve element 4 and the overlapping of the recesses 15, 16 of the valve element 4 of Figure 4 with the first connection opening 10.
- a first row 31 are schematic views from the outside of the valve 1 with a view of the first connection opening 10 and the outer surface 8 of the valve element 4 are shown for different rotational positions of the valve.
- the corresponding rotational positions of the valve element 4 are shown in a second row 32 in a section perpendicular to the axis of rotation 5 at a center of the through hole 12 .
- valve element 4 is identical in the area of the first passage opening 13 and in the area of the second passage opening 14, identical first and second recesses 15, 28 being arranged on both passage openings 13, 14.
- the valve element 4 thus has the shape shown in FIG. 4 twice on a circumference of the outer surface 8 .
- the recesses are arranged mirror-symmetrically to the axis of rotation 5 of the valve element 4 . Due to the cross section through the middle of the through bore 12, only the first recess 15 and the further first recess 28 lying opposite are visible in the figures of the second row 32.
- the valve shown has a valve chamber 3 which is mirror-symmetrical to a central plane 63 .
- the center plane 63 passes through the center of the first connection opening 10 and the axis of rotation 5.
- an intermediate space 21 is formed between the inner wall 9 of the valve chamber 3 and the valve element 4, in which medium can flow around the valve element.
- a cross section through the housing 2 and through the first and the second connection opening 10, 11, the intermediate space 21 and the valve element 4 are thus shown in the second row 32.
- the valve 1 is closed. Neither one of the recesses 15, 28 nor the first through opening 13 have an overlap with the first connection opening 10 on.
- the valve element 4 is now moved further counterclockwise until there is an overlap between the first recess 15 and the first connection opening 10 , as is shown schematically in the first row of the second column 42 .
- FIG. In an analogous manner, there is also an overlap between the further first recess 28 and the second connection opening 11 .
- this rotational position there is a connection between the first connection opening 10 and the second connection opening 11 .
- the connection is made via the first connection opening 10, the first recess 15, the space 21, the first through-opening 13, the through-hole 12, the second through-opening 14, the space 21, the further first recess 28 and the second connection opening 11. This position corresponds the position of figure 5.
- the third column 43 in FIG. 10 corresponds to the representation of the position in FIG .
- the intermediate space 21 overlaps with the second recess 16 and with the first through-opening 13 .
- valve element 4 If the valve element 4 is now rotated further counterclockwise, an overlap between the first passage opening 13 and the first connection opening 10 is achieved, as shown in the figure of the first row 31 and the fourth column 44 .
- the covering of the first connection opening 10 with the first recess 15, the second recess 16 and the first through-opening 13 is shown in the first row of the fourth column.
- This rotational position corresponds to FIG. 7.
- the cross section through the valve for this rotational position is shown in the second row 32 of the fourth column 44 in an analogous manner. In this rotational position of the valve element 4 there is a direct connection between the first connection opening 10 via the first passage opening 13, the passage bore 12, the second passage opening 14 and the second connection opening 11.
- connection opening 10 there is also a connection between the first connection opening 10, via the second recess 16, the intermediate space 21, the first through opening 13, the through bore 12, the second through opening 14, the intermediate space 21, the further second recess 28 to the second connection opening 11. Furthermore, there is a connection between the first connection opening 10 and the second connection opening 11 via the intermediate space 21 .
- the valve element 4 If the valve element 4 is moved further counter-clockwise, the first passage opening 13 is completely overlapped with the first connection opening 10 , as shown in the figure of the first row 31 and the fifth column 45 .
- the first and the second connection opening 10, 11 directly via the through-hole 12 and the first and the second through-opening 13, 14, as is also shown in the figure of the second row 32 and the fifth column 45.
- valve elements 4 shown in Figures 8 to 12 can be used to, as shown in Figure 13 positions shown to achieve corresponding opening or closing positions of the valve.
- Figure 14 shows a schematic representation of a diagram for a characteristic curve 64 of a hydraulic opening cross section of the valve 1 as a function of an angular position of the valve element 4.
- the characteristic curve 64 represents the sum of the hydraulic opening cross section for the first through opening and the first and second recess.
- a second characteristic curve 83 is shown as a broken line for the behavior of the hydraulic opening cross section for the first and the second recess.
- the behavior of the hydraulic opening cross section is only shown for the first through-opening 13 with a third characteristic curve 84 .
- the hydraulic opening cross-section is shown in square millimeters along the y-axis.
- a rotary position of the valve element 4 is shown in degrees of angle along the x-axis.
- a first angular range 51 which is between 0° and 55° relative to a fixed rotational position of the valve element, the first connection opening 10 begins to overlap with the first recess 15, as shown in FIG. 6, for example.
- the hydraulic opening cross section increases almost linearly, in particular linearly.
- a second angular range 52 at approximately 55°. The slope of the characteristic curve 64 changes between the first and the second angular range 51, 52.
- first recess 15 and/or a second or third recess 16, 22 with the first connection opening 10 increases.
- a third angular range 53 begins, in which there is a direct overlap between the first through-opening 13 and the first connection opening 10, as shown in FIG. 7, for example.
- the third characteristic curve 84 begins at this point.
- the influence of the first and second recesses decreases, as shown by the dot-dash line, until at the angular position of 80°, medium no longer flows over the first or second recess, but only directly over it the first through-opening 13, the through-hole 12 and the second through-opening 14.
- valves are used to linearize the hydraulic opening behavior of the through-openings with the aid of the recesses.
- the valve can be used, for example, in a refrigeration circuit, in particular in a heat pump system of a vehicle.
- the recesses represent so-called expansion recesses.
- the first connection opening is aligned with the second connection opening and can thus be connected to one another with almost no pressure losses by a straight through-bore formed in the valve element.
- the first and/or the second port can be connected to the line with the higher pressure.
- the proposed valve makes it possible for the at least one recess and the through bore or the through openings to have no direct connection in the valve element, although a hydraulic connection can be established between the at least one recess and the through bore by forming the intermediate space.
- a desired opening behavior of the valve in particular a desired increase in the hydraulic opening cross-section with the increase in the angular position of the valve element, can thus be established by a corresponding superposition.
- At least one or more recesses can be provided in the outer surface of the valve element only in the area of the first passage opening.
- the second through-opening can be designed to be significantly larger, in order to avoid, in the angular positions in which there is a connection between the first connection opening and of the through-opening 13 is reached via the recess, at the same time the second through-opening 14 is connected to the second connection opening 11 .
- the first and the second connection opening can also be designed differently.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Multiple-Way Valves (AREA)
- Valve Housings (AREA)
- Taps Or Cocks (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020237021831A KR20230109759A (ko) | 2020-12-01 | 2021-11-22 | 차량의 질량 흐름용 밸브 |
US18/255,161 US20240026982A1 (en) | 2020-12-01 | 2021-11-22 | Mass flow valve in a vehicle |
CN202180092509.1A CN116829857A (zh) | 2020-12-01 | 2021-11-22 | 用于车辆中的质量流的阀 |
EP21819736.6A EP4256221A2 (de) | 2020-12-01 | 2021-11-22 | Ventil für einen massenstrom in einem fahrzeug |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102020215164.4A DE102020215164A1 (de) | 2020-12-01 | 2020-12-01 | Ventil für einen Massenstrom in einem Fahrzeug |
DE102020215164.4 | 2020-12-01 |
Publications (2)
Publication Number | Publication Date |
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WO2022117385A2 true WO2022117385A2 (de) | 2022-06-09 |
WO2022117385A3 WO2022117385A3 (de) | 2022-07-21 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/EP2021/082472 WO2022117385A2 (de) | 2020-12-01 | 2021-11-22 | Ventil für einen massenstrom in einem fahrzeug |
Country Status (6)
Country | Link |
---|---|
US (1) | US20240026982A1 (de) |
EP (1) | EP4256221A2 (de) |
KR (1) | KR20230109759A (de) |
CN (1) | CN116829857A (de) |
DE (1) | DE102020215164A1 (de) |
WO (1) | WO2022117385A2 (de) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102017101208A1 (de) | 2017-01-23 | 2018-07-26 | Hanon Systems | Ventil für ein Wärmepumpensystem in einem Fahrzeug |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JP3341523B2 (ja) * | 1994-06-17 | 2002-11-05 | 株式会社デンソー | 流量制御弁及びそれを用いた温水式暖房装置 |
-
2020
- 2020-12-01 DE DE102020215164.4A patent/DE102020215164A1/de active Pending
-
2021
- 2021-11-22 WO PCT/EP2021/082472 patent/WO2022117385A2/de active Application Filing
- 2021-11-22 CN CN202180092509.1A patent/CN116829857A/zh active Pending
- 2021-11-22 KR KR1020237021831A patent/KR20230109759A/ko unknown
- 2021-11-22 EP EP21819736.6A patent/EP4256221A2/de not_active Withdrawn
- 2021-11-22 US US18/255,161 patent/US20240026982A1/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102017101208A1 (de) | 2017-01-23 | 2018-07-26 | Hanon Systems | Ventil für ein Wärmepumpensystem in einem Fahrzeug |
Also Published As
Publication number | Publication date |
---|---|
CN116829857A (zh) | 2023-09-29 |
DE102020215164A1 (de) | 2022-06-02 |
US20240026982A1 (en) | 2024-01-25 |
WO2022117385A3 (de) | 2022-07-21 |
EP4256221A2 (de) | 2023-10-11 |
KR20230109759A (ko) | 2023-07-20 |
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