EP4058701A1 - Mehrwegeventil zum einstellen eines fluidstroms - Google Patents
Mehrwegeventil zum einstellen eines fluidstromsInfo
- Publication number
- EP4058701A1 EP4058701A1 EP20807324.7A EP20807324A EP4058701A1 EP 4058701 A1 EP4058701 A1 EP 4058701A1 EP 20807324 A EP20807324 A EP 20807324A EP 4058701 A1 EP4058701 A1 EP 4058701A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- fluid
- base
- valve
- additional
- axis
- 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.)
- Pending
Links
- 239000012530 fluid Substances 0.000 title claims abstract description 740
- 239000002826 coolant Substances 0.000 claims abstract description 4
- 230000007704 transition Effects 0.000 claims description 12
- 230000000295 complement effect Effects 0.000 claims description 7
- 210000003734 kidney Anatomy 0.000 claims description 5
- 239000000110 cooling liquid Substances 0.000 claims description 3
- 239000000654 additive Substances 0.000 claims 1
- 230000000996 additive effect Effects 0.000 claims 1
- 238000007789 sealing Methods 0.000 description 23
- 238000001816 cooling Methods 0.000 description 6
- 239000000565 sealant Substances 0.000 description 5
- 238000007599 discharging Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000005452 bending Methods 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 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
- 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
- F16K11/06—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements
- F16K11/072—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with pivoted closure members
- F16K11/074—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with pivoted closure members with flat sealing faces
Definitions
- Multi-way valve for adjusting a fluid flow
- the invention relates to a multi-way valve, in particular a 3/2-way valve, 4/2-way valve, 6/2-way valve or 8/2-way valve, for adjusting a fluid flow, in particular a coolant flow, of a motor vehicle, such as an electric vehicle.
- valves whose valve housings have several inlets and / or outlets.
- a valve member is provided in a valve housing which, depending on the position of the valve member, can provide fluid connections between the inputs and outputs of the valve housing.
- a fluid stream can flow through the valve housing from the associated inlet to the associated outlet via a fluid connection.
- Such valves are also referred to as X / Y directional control valves, where X denotes the number of inputs and / or outputs and Y denotes the number of fluid connections between inputs and outputs that can be provided at the same time.
- a 3/2 way valve can have two inputs and one output or one input and two outputs.
- a fluid flow can be fed to the valve housing via the inlet and discharged from the valve housing in the form of two partial flows in each case via an outlet.
- two fluid connections are provided, namely one each between the respective output and the common input.
- Multi-way valves can be used, for example, to distribute cooling water in motor vehicles.
- a multi-way valve is used to adjust the fluid flow, such as the cooling water flow.
- a fluid flow can be divided into two partial flows, two partial flows can be merged into one fluid flow, or a fluid flow can optionally be discharged via different fluid outlets.
- the fluid flow can be fed to different heat sources, such as motors and batteries, and heat sinks, such as cooling units, in particular via a single valve.
- the cooling performance can in particular be increased compared to a heat source, while by dividing one input fluid flow into two Output fluid flows (partial fluid flows) two heat sources can be cooled via an input flow.
- Multi-way valves for adjusting coolant flows are known, for example, from US Pat. No. 7,793,915 B2.
- a valve member in the form of a rotary slide valve is arranged therein in a valve housing, to which a fluid inlet and two fluid outlets connect to the valve housing.
- a fluidic connection can be provided between the fluid inlet and one, both or neither of the fluid outlets.
- the multi-way valve proposed in US Pat. No. 7,793,915 B2 is not suitable for use in motor vehicles due to its large space requirement. Furthermore, large pressure losses occur with such multi-way valves, which, in addition to increased energy consumption, leads to increased demands on the pumps. In addition to increased costs, this also leads to a greater space requirement for the pump and thus to a greater space requirement for the cooling system. Furthermore, fluid flows or partial flows cannot be set flexibly enough with the multi-way valve proposed in US Pat. No. 7,793,915 B2 in order to meet the changing requirements of modern motor vehicles.
- the object of the invention is to overcome the disadvantages of the prior art, in particular to provide a new type of multi-way valves for adjusting a fluid flow of a motor vehicle, which in particular meets the specific requirements of modern motor vehicles.
- the object of the invention is to provide a multi-way valve for adjusting a fluid flow of a motor vehicle, which has a reduced installation space requirement, pressure losses preferably not increasing, in particular reducing, and / or the flexibility in adjusting the fluid flow being increased.
- a multi-way valve for adjusting a fluid flow, in particular a cooling liquid flow, of a motor vehicle, such as a Electric vehicle.
- the multi-way valve comprises a valve housing with a fluid base inlet and a fluid base outlet.
- the multi-way valve comprises a rotary slide which can be adjusted about an axis of rotation and has a passage recess for the fluid flow, which in a base position of the rotary slide provides a basic fluid connection between the one fluid base inlet and the fluid base outlet.
- the valve housing has at least one additional fluid inlet and / or additional fluid outlet, the passage recess being designed such that an additional fluid connection is provided between the additional fluid inlet and / or additional fluid outlet and the basic fluid inlet and / or the fluid base outlet in a connection position different from the base position.
- fluid inlet is used as a synonym for the fluid base inlet and the fluid additional inlet.
- fluid outlet is used as a synonym for the fluid base outlet and the fluid additional outlet.
- a fluid inlet is to be understood in particular as an opening through which the fluid flow can be fed to the valve housing.
- a fluid outlet is to be understood in particular as an opening through which the fluid flow can be discharged from the valve housing.
- a fluid inlet or a fluid outlet can also be present when none Fluid line connects to the fluid inlet or the fluid outlet.
- the fluid inlets and fluid outlets are preferably designed as connections that can be sealed off from the valve housing, in particular by means of shut-off elements such as plugs.
- a fluid inlet or fluid outlet can also be present when a line connects to the fluid inlet or the fluid outlet, but these are fluidically sealed off from the valve housing by means of shut-off elements such as diaphragms.
- the rotary valve is preferably designed in the form of a disk.
- the rotary valve is designed as a turntable.
- the rotary valve has a circular outer contour.
- the rotary slide valve is mounted in the valve housing such that it can rotate.
- the axis of rotation of the rotary valve extends through the center point, in particular through the center of the circle, of the rotary valve.
- the axis of rotation of the rotary valve extends parallel to a common axis of symmetry, in particular axis of rotational symmetry, of the fluid base inlet and the fluid base outlet.
- fluid connection is used as a synonym for the fluid base connection and the fluid additional connection.
- the features described above and below relating to the fluidic connection represent advantageous embodiments, in particular for the fluidic basic connection and / or for the fluidic additional connection.
- a fluid connection between fluid inlets and fluid outlets is to be understood in particular to mean that the fluid flow can be transferred from the fluid inlet to the fluid outlet.
- a fluid line does not necessarily have to be connected to the respective fluid inlet or fluid outlet.
- the base position is to be understood in particular as a position of the rotary valve in which only a basic fluid connection is provided between the base fluid inlet and the base fluid outlet.
- the base position connects the passage recess in particular the fluid base inlet and the fluid base outlet fluidly to one another.
- connection position an additional fluid connection is provided between the additional fluid inlet and / or the additional fluid outlet and the fluid base inlet and / or the fluid base outlet.
- additional compound is in the Connection position additionally provided the basic connection, so that the basic connection and the additional connection are provided at the same time in the connection position.
- the fluid inlets and the fluid outlets are preferably designed in such a way that they are each suitable both for feeding the fluid flow into the valve housing and for discharging the valve flow from the valve housing.
- the direction of the axis of rotation is to be understood as meaning, in particular, both directions pointing away from one another along the axis of rotation of the rotary slide valve.
- the circumferential direction is described below, this is to be understood in particular as the circumferential direction around the axis of rotation of the rotary valve.
- the radial direction is described below, it is to be understood in particular to mean all directions that point orthogonally away from the axis of rotation of the rotary slide valve.
- the fluid base inlet and the fluid base outlet are preferably arranged on opposite sides of the valve housing in the direction of the axis of rotation, in particular arranged on the end faces of the valve housing, which each delimit a receiving space for the rotary valve in the direction of the axis of rotation.
- the opposite sides of the rotary slide in the direction of the axis of rotation are disc-shaped.
- the passage recess is designed such that the fluid flow in the connection position between the fluid base inlet and / or fluid base outlet and the additional inlet and / or additional outlet can be deflected transversely to the direction of the axis of rotation.
- the fluid flow in the connected position can be deflected in the direction of the axis of rotation via an S-shaped or U-shaped flow path.
- the flow path in the connected position can be deflected in the circumferential direction via an arcuate flow path.
- the flow path runs within the passage opening.
- the valve housing can be flowed through via the fluidic base connection, in particular via a straight flow path.
- a straight flow path is to be understood as meaning, in particular, a flow path through which the valve housing can be flowed through without deflection.
- the fluid base inlet is designed in such a way that the fluid flow can be introduced into the valve housing in the direction of the axis of rotation.
- the fluid base outlet is designed in such a way that the fluid flow can be discharged from the valve housing in the direction of the axis of rotation.
- the fluid base inlet and / or the fluid base outlet are preferably provided as openings, in particular circular openings, in the Valve housing formed.
- the valve housing in particular delimits an opening cross section which extends in particular transversely to the direction of the axis of rotation, preferably in the radial direction.
- the ability to deflect the fluid flow transversely to the direction of the axis of rotation is achieved in particular in that the passage recess extends transversely to the direction of the axis of rotation.
- the through cutout extends transversely to the direction of the axis of rotation from the fluid base inlet to the fluid additional outlet and / or from the fluid base outlet to the fluid additional inlet.
- the S-shaped deflection of the flow path is implemented in particular in that the fluid base inlet and the additional fluid outlet are arranged on opposite sides of the rotary valve in the direction of the axis of rotation and offset from one another in the circumferential direction.
- the fluid base outlet and the at least one additional fluid inlet can be arranged on opposite sides of the rotary slide in the direction of the axis of rotation and offset from one another in the circumferential direction.
- the U-shaped flow path is implemented in particular in that the fluid base inlet and the fluid additional outlet are each arranged on the same side of the rotary valve and offset from one another in the circumferential direction.
- the fluid base outlet and the additional fluid inlet can be arranged on the same side of the rotary valve and offset from one another in the circumferential direction.
- the course of the flow path within the passage opening is achieved in particular in that the passage opening is enclosed in the radial direction and in the circumferential direction by a boundary wall, which in particular comprises end walls and curved walls, of the rotary valve.
- a boundary wall which in particular comprises end walls and curved walls, of the rotary valve.
- the fluid flow between the fluid inlet and the fluid outlet follows a flow path which runs exclusively within the passage opening and in particular merges into the fluid inlets and fluid outlets upstream and downstream of the passage opening.
- the additional connection in the connected position, merges into the basic connection in the manner of branches.
- the fluid base inlet, the fluid base outlet, the additional fluid inlet and / or the additional fluid outlet are fluidly connected to one another via the passage recess.
- the fluid flow can preferably be divided from one input flow into two output flows or can be converted from two input flows into one output flow.
- the branch-like transition of the additional connection into the basic connection is in particular realized in that, starting from the fluid base connection, the passage opening extends transversely to the direction of the axis of rotation up to the additional fluid inlet and / or additional fluid outlet.
- an inlet flow in the connected position can thereby be divided into two outlet flows in particular.
- two fluid inlet flows can thereby be converted into one fluid outlet flow.
- the base connection is formed by a base connection section of the passage recess extending in the direction of the axis of rotation.
- the base connection section is cylindrical.
- the base connection section extends completely through the rotary slide in the direction of the axis of rotation.
- the base connection section provides a flow cross-section through which the fluid flow can flow in the direction of the axis of rotation, in particular without deflection.
- the cylinder diameter of the cylinder-shaped base connection section is adapted to the mean cross-sectional width of the opening cross-section of the fluid base inlet and / or the fluid base outlet.
- the cylinder diameter is at least 70%, 80%, 90% or 95% and at most 105%, 115%, 130% or 150% of the mean cross-sectional width of the opening cross-section of the fluid base inlet and / or the fluid base outlet.
- the multi-way valve can be flowed through without deflection through the base connecting section of the passage recess.
- the base connection section is delimited in the circumferential direction on one wall side by an, in particular, shell-shaped end wall of the rotary slide valve.
- the scarf-shaped end wall is formed as an over at least 120 °, 150 ° or 180 0 extending hollow cylinder portion.
- the shell-shaped end wall extends in the direction of the axis of rotation from the fluid base inlet to the fluid base outlet.
- the diameter of the hollow cylinder section is at least 70%, 80%, 90% or 95% and / or at most 105%, 115%, 130% or 150% of the mean cross-sectional width of the opening cross-section of the fluid base inlet and / or the fluid base outlet.
- the base connection section is wall-free on the opposite side of the shell-shaped end wall in the circumferential direction and merges into an additional connection section for providing the additional fluid connection.
- the additional connection is formed by an additional connection section of the passage recess extending transversely, in particular orthogonally, to the direction of the axis of rotation.
- the additional connection section is preferably arcuate, in particular kidney-shaped.
- the additional connecting portion extends in the circumferential direction by at least 45 0, 6o ° or 90 ° about the axis of rotation.
- the additional connection is formed by an additional connection section of the passage recess extending transversely, in particular orthogonally, to the direction of the axis of rotation.
- the additional connection section is preferably arcuate, in particular kidney-shaped.
- the additional connecting portion extends in the circumferential direction by at least 45 0, 6o ° or 90 ° about the axis of rotation.
- the passage recess is preferably arcuate, in particular kidney-shaped
- connection section limited in the radial direction by at least one, in particular, shell-shaped curved wall of the rotary valve.
- the at least one cup-shaped Bogenwandung is formed as an at least about 45 0, 6o ° or 90 ° extending hollow cylinder portion.
- two curved walls are provided which are separated from one another in the radial direction by the passage recess and which delimit the additional connecting section in the radial direction.
- the fluid flow can be deflected in the connected position transversely to the direction of the axis of rotation.
- the base connection is formed by a base connection section of the passage recess extending in the direction of the axis of rotation and the additional connection is formed by an additional connection section of the passage recess extending transversely, in particular orthogonally, to the direction of the axis of rotation.
- the base connection section merges in the circumferential direction on a transition side into the additional connection section of the passage recess.
- the passage recess combines the additional connection section and the base connection section in a kidney shape.
- the kidney shape extending about 6o °, 75 0 or 90 ° about the axis of rotation.
- the passage recess is enclosed by a boundary wall of the rotary valve in the circumferential direction and in the radial direction.
- the passage recess is delimited in the radial direction by two bowl-shaped curved walls of the rotary valve.
- the bowl-shaped curved walls of the rotary valve are preferably at least 70%, 80%, 90% or 95% and / or at most 105%, 115%, 130% or 150% of the mean cross-sectional width of the opening cross-section of the fluid base inlet and / or the fluid base outlet from one another spaced.
- these preferably merge into shell-shaped end walls.
- the shell-shaped end walls limit the Passage cutout in particular in the circumferential direction.
- the passage recess is delimited by two shell-shaped end walls and two shell-shaped arched walls, which in particular merge into one another step-free.
- the fluid base inlet, the fluid base outlet and / or the at least one additional fluid inlet and / or additional fluid outlet each delimit an opening cross-section with a mean cross-sectional width, in particular a mean diameter, via which the fluid flow can be fed to and / or removed from the valve housing.
- the opening cross-section overlaps with the rotary valve in the radial direction.
- the opening cross section is arranged completely within the rotary valve contour.
- the opening cross section extends in particular transversely, preferably orthogonally, to the direction of the axis of rotation.
- the opening cross section is round, preferably circular.
- the mean cross-sectional width is formed in particular by the diameter of the opening cross-section.
- the rotary slide contour is to be understood in particular as the outer contour delimiting the rotary slide valve in the radial direction.
- the rotary valve contour is circular.
- the opening cross-sections of the fluid base inlet, the fluid base outlet and the at least one fluid additional inlet and / or fluid additional outlet are arranged within the rotary valve contour.
- the arrangement within the rotary valve contour is to be understood in particular to mean that the opening cross section of the respective fluid inlet and fluid outlet runs completely within the rotary valve contour, in particular does not intersect the rotary valve contour.
- the opening cross-sections of the fluid inlets and the fluid outlets are arranged in the radial direction at the same distance from the axis of rotation.
- the fluid inlets and the fluid outlets are particularly preferably arranged on one side of the valve housing, in particular on both sides of the valve housing, in the circumferential direction at equidistant distances from one another.
- the opening cross-sections extend in particular through the end faces of the valve housing in the direction of the axis of rotation, which delimit a receiving space for the rotary slide valve in the direction of the axis of rotation.
- the passage recess extends in the direction of the axis of rotation by at least 50%, in particular by at least 75%, 100% or 150%, of the mean cross-sectional width of the
- the passage recess extends in Rotation axis direction by at least 8 mm, 12 mm, 14 mm or 16 mm. It has been found that this dimensioning of the passage recess in the direction of the axis of rotation enables fluid flows to be deflected transversely to the direction of the axis of rotation. It has surprisingly been found that the flow losses due to the deflection of the fluid flow can be significantly reduced by dimensioning the passage recess in this way. In particular, through the deflection of the fluid flow with little flow loss transversely to the direction of the axis of rotation, a distribution to various additional fluid inlets and / or outlets can take place without significantly increasing the energy consumption of pumps that drive the fluid flow.
- Passage cutout in the radial direction by at least 50%, in particular by at least 75%, 85% or 95% of the mean cross-sectional width of the opening cross-section.
- the passage recess extends in the radial direction by at most 200%, in particular by at most 150%, 125%, 115% or 105% of the mean cross-sectional width. It has been found in particular that cross-sectional jumps between the fluid inlets, the fluid outlets and the passage recess lead to flow losses. By dimensioning the passage recess in the radial direction as described above, the flow losses can surprisingly be reduced.
- Passage recess circumferentially about 6o °, 75 0 or 90 ° about the axis of rotation.
- the passage recess extends arcuately, preferably kidney-shaped, around the axis of rotation.
- the passage recess is completely enclosed transversely, in particular orthogonally, to the direction of the axis of rotation by the rotary valve, in particular by two end walls and two curved walls of the rotary valve.
- the kidney-shaped configuration of the passage recess can in particular ensure that the fluid flow on the one hand can flow through the multi-way valve without deflection from a fluid inlet to a fluid outlet.
- the kidney-shaped configuration of the passage recess enables the fluid flow to be deflected transversely to the direction of the axis of rotation via the multi-way valve.
- the kidney shape leads in particular to reduced flow losses.
- the dimensioning of the passage recess described above and below enables the flow losses to be reduced by deflecting the fluid flow transversely to the direction of the axis of rotation.
- the embodiment according to the invention of Passage recess enables a fluid flow to be set via a large number of fluid inlets and fluid outlets in a very small space.
- four fluid inlets and four fluid outlets can preferably connect to opposite sides of the valve housing.
- the design of the multi-way valve according to the invention means that the size of the valve housing is essentially only predetermined by the size of the rotary slide valve. Since the deflection of the fluid flow takes place within the rotary valve, additional installation space for deflection channels or deflection chambers can be saved.
- the passage recess has a recess entrance facing the fluid base entrance in the direction of the axis of rotation and a recess exit facing the fluid base exit in the direction of the axis of rotation.
- the recess entrance and / or the recess exit are arcuate, preferably kidney-shaped.
- the recess entrance and / or the recess exit extend transversely, in particular orthogonally, to the direction of the axis of rotation.
- the recess entrance and the recess exit delimit the passage recess in the direction of the axis of rotation.
- the passage recess extends in the direction of the axis of rotation along a constant, in particular kidney-shaped, contour.
- the kidney-shaped contour of the passage opening merges in particular from the opening into the opening into the opening.
- the recess inlet and the fluid base inlet and / or the recess outlet and the fluid base outlet in the base position and / or in the connected position have an overlap cross-section extending transversely, in particular orthogonally, to the direction of the axis of rotation.
- the fluid flow can in particular be transferred at least partially without deflection via the fluid base inlet into the passage cutout and can be discharged via the cutout outlet to the fluid base outlet.
- the recess inlet and / or the recess outlet is designed such that the overlap cross-section in the basic position and / or in the connected position is at least 70%, 80%, 90%, 95%, 100% of the opening cross-section of the fluid base inlet and / or the fluid base outlet.
- the fluid base inlet preferably merges into the recess inlet free of cross-sectional constrictions.
- the fluid base outlet in particular merges into the recess outlet free of cross-sectional constrictions.
- the overlap cross section is at least 50%, 70%, 90% or 95% of the opening cross section of the fluid base inlet and / or fluid base outlet extending transversely, in particular orthogonally, to the direction of the axis of rotation.
- the passage recess adjoins the fluid base inlet and the fluid base outlet, in particular in a fluid-tight manner.
- the passage recess adjoins the fluid base inlet and the fluid base outlet and the additional fluid inlet and / or the additional fluid outlet, in particular in a fluid-tight manner.
- sealing means are provided between the rotary slide valve and the valve housing.
- the sealing means seal the fluid inlets and the fluid outlets from the valve housing in such a way that the fluid flow can be introduced into the valve housing and discharged from it exclusively via the passage recess.
- the sealing means are arranged between the rotary slide valve and the valve housing in such a way that the valve housing can only flow through the valve housing within the passage recess.
- the shape of a sealant, in particular a sealant on each end face of the rotary valve is adapted to the shape of the end face of the rotary valve in the direction of the axis of rotation, in particular designed to be complementary in shape to the end face of the rotary valve.
- the sealing means has a sealing recess which is designed to be complementary in shape to the passage recess and which extends in particular in alignment with the passage recess.
- the sealing recess of the sealing means is completely enclosed by the sealing means in the circumferential direction.
- the sealing means is in particular disc-shaped, the disc diameter of the sealing means being in particular at least 60%, 80% or 90% and / or at most 95%, 96%, 98%, 99% or 100% of the diameter of the rotary valve.
- the sealing means extends in particular in the radial direction between the passage recess and a toothing extending on the outer circumference of the rotary valve.
- the passage recess In the basic position and / or in the connected position, the passage recess preferably adjoins the fluid base inlet and / or the fluid base outlet in the direction of the axis of rotation.
- the passage recess in the connected position directly adjoins the additional fluid inlet and / or additional fluid outlet in the direction of the axis of rotation.
- the boundary walls of the passage recess in the basic position and / or in the connected position merge in the direction of the axis of rotation essentially directly into the boundary walls of the fluid base inlet, the fluid base outlet and / or the at least one additional fluid inlet and / or additional fluid outlet.
- the at least one fluid auxiliary input and / or output auxiliary fluid in the circumferential direction of the fluid based input and / or fluid-based output is offset, in particular in the circumferential direction by at least 45 0, 6o °; 75 0 or 90 ° offset.
- the passage recess preferably extends in the circumferential direction at least by the angle by which the additional fluid inlet and / or additional fluid outlet is offset from the fluid base inlet and / or the fluid base outlet.
- the additional fluid inlet and / or additional fluid outlet is spaced apart in the radial direction by essentially the same distance from the axis of rotation as the fluid base inlet and / or the fluid base outlet.
- essentially the same distance is to be understood as meaning, in particular, a deviation in the distance in the radial direction of up to 20%, in particular up to 10%, 5%, 3% or 1%.
- an inlet such as the fluid base inlet or the additional fluid inlet
- an outlet such as the fluid base outlet or the additional fluid outlet
- the fluid base inlet and the fluid base outlet have a cross, in particular orthogonally, to
- Rotation axis direction extending overlap cross-section In particular, the fluid base inlet and the fluid base outlet are aligned with one another in the direction of the axis of rotation. In particular, the fluid base inlet and the fluid base outlet have the same opening cross section. In particular, the fluid base input and the
- Fluid base outlet positioned identically in the radial direction and / or in the circumferential direction.
- the fluid flow can flow through the multi-way valve without deflection via the fluidic base connection.
- the overlap cross section between the fluid base inlet and the fluid base outlet is at least 75%, 85% or 95% and / or at most 105%, 115%, 125% or 150% of the opening cross section of the fluid base inlet and / or the fluid base outlet.
- the fluid base inlet and the fluid base outlet are aligned with one another along a straight line extending parallel to the axis of rotation.
- the overlap cross section is preferably at least 50%, 70%, 90% or 95% of the opening cross section of the fluid base inlet and / or fluid base outlet extending transversely, in particular orthogonally, to the direction of the axis of rotation.
- the rotary slide valve is arranged in a receiving space enclosed by the valve housing.
- the receiving space is delimited by a valve housing wall designed to be complementary in shape to the rotary slide valve.
- the valve housing seals the receiving space in a fluid-tight manner.
- the valve housing seals the receiving space in such a way that a fluid inlet and / or a fluid outlet into the valve housing can take place exclusively via the fluid base inlet, the fluid base outlet and the additional fluid inlet and / or the additional fluid outlet.
- the valve housing is preferably designed in two pieces.
- the valve housing has a rotary slide receiving shell which, in particular, delimits a receiving space for the rotary slide.
- the receiving space for the rotary valve is in particular cylindrical, the diameter of the receiving space being in particular at most 2%, 5%, 10%, 15% or 20% larger than the outer diameter of the rotary valve.
- the cylindrical receiving space of the rotary slide is adjoined by a cylindrical receiving space for a drive pulley, via which the rotary slide can be adjusted on the outside circumference.
- a preferred embodiment of the drive pulley and the force engagement of the drive pulley with the rotary valve is described in detail below.
- the valve housing preferably has a bearing journal, via which the rotary slide valve can be rotatably mounted.
- the rotary slide has a bearing recess which extends in particular cylindrical around the axis of rotation.
- the rotary slide can be rotatably mounted on the bearing journal via the bearing recess.
- valve housing comprises a cover part which, in the assembled state, delimits the receiving space for the rotary slide in the direction of the axis of rotation.
- the rotary slide is fixed in the direction of the axis of rotation via the cover part.
- a sealing means is provided between the cover part and the receiving space which runs around the rotary slide valve and preferably the drive disk in the circumferential direction.
- the receiving space in the receiving shell extends so far in the direction of the axis of rotation that the rotary slide can be completely inserted into the receiving shell in the direction of the axis of rotation.
- the fluid base inlet and the fluid base outlet are attached to opposite sides of the valve housing, in particular to the cover part and to the receiving shell of the valve housing.
- a drive pulley in particular a drive gear, for positioning the rotary slide is arranged in the valve housing.
- the drive pulley is arranged in a common plane with the rotary valve.
- the drive pulley is preferably sealed off from the fluid flow.
- the rotary slide valve is designed in the form of a disk.
- the rotary slide has on its outer circumference a toothing, in particular a circumferential toothed ring, for setting the rotary slide, in particular for setting the rotary slide via a gear.
- the rotary valve is placed over the outer circumference of the drive pulley.
- the ring gear of the rotary valve runs around the passage recess.
- the fluid base inlet, the fluid base outlet and / or the fluid additional inlet and / or fluid additional outlet is arranged in the radial direction within the ring gear of the rotary valve, in particular is rotated in the circumferential direction by the ring gear of the rotary valve.
- the rotary slide valve and the drive disk are in engagement with one another via their outer circumferences, in particular via toothed rings formed on their outer circumferences.
- the fluid base inlet and the fluid base outlet are designed as two fluid base connections.
- the at least one additional fluid inlet and / or additional fluid outlet is designed as at least one additional fluid connection.
- the fluid base inlet and / or the fluid base outlet are preferably each designed as a fluid base connection according to the second aspect of the present invention described below.
- the additional fluid inlet and / or the additional fluid outlet are designed as additional fluid connections according to the second aspect of the present invention.
- fluid base inlet should be interchangeable with fluid base connection
- fluid base outlet should be interchangeable with fluid base connection
- fluid additional inlet should be interchangeable and / or the term additional fluid outlet can be exchanged for the term additional fluid connection.
- a multi-way valve in particular a 3/2-way valve, 4/2-way valve, 6/2-way valve or 8/2-way valve for adjusting a fluid flow, in particular a cooling liquid flow, of a motor vehicle, such as a Electric vehicle.
- the multi-way valve comprises a valve housing with two fluid base connections.
- the multi-way valve comprises a rotary slide which can be adjusted about an axis of rotation and has a passage recess for the fluid flow, which in a basic position of the rotary slide provides a basic fluidic connection between the basic fluid connections.
- the fluid base connections are arranged on opposite sides of the rotary valve in the direction of the axis of rotation.
- the valve housing has at least one additional fluid connection, the passage recess being configured such that an additional fluid connection is provided between the at least one additional fluid connection and at least one of the two fluid base connections in a connection position different from the basic position.
- a fluid connection is preferably to be understood as a fluid inlet and / or a fluid outlet which is designed in such a way that a fluid line for supplying and / or discharging fluid flows into the valve housing can be connected.
- a fluid connection is to be understood as a fluid inlet and / or a fluid outlet which is designed such that a closure element for sealing the fluid inlet and / or the fluid outlet can be connected to the valve housing from the valve housing.
- At least one, preferably both, of the fluid base connections and / or the at least one additional fluid connection is designed such that a fluid line for supplying and / or discharging the fluid flow can be connected to the valve housing.
- at least one, in particular both, of the fluid base connections and / or the at least one additional fluid connection is designed such that a closing element, such as a plug, can be connected to the valve housing to prevent the fluid flow from being discharged.
- the design of the multi-way valve according to the invention with fluid base connections and additional fluid connections can in particular increase the flexibility in the use of the Multi-way valve can be increased.
- the fluid connections are preferably each designed as force-fit and / or form-fit fluid line connections.
- the fluid connections enclose line receptacles in the manner of a hollow cylinder, via which fluid lines can be connected to the valve housing.
- the fluid connections have, in particular, line receptacles.
- the line receptacles extend in particular in the shape of a hollow cylinder in the direction of the axis of rotation.
- the line receptacles delimit a hollow cylindrical receiving space for fluid lines.
- the line receptacles have snap hooks arranged in the circumferential direction around the opening cross section of the fluid connections.
- the snap hooks are spaced apart from one another in particular in the circumferential direction.
- the snap hooks have projections which are designed to engage in a correspondingly designed recess in a pipeline.
- the snap hooks are in particular attached elastically to the valve housing.
- the snap hooks merge into a cylindrical transition section which adjoins the opening cross-section of the fluid connections.
- the transition section is designed in the circumferential direction as a continuous hollow cylinder, which in particular has a larger, in particular at least 5%, 10% or 20% larger, diameter than the opening cross section of the fluid connection.
- the wall thickness of the snap hooks in the radial direction is smaller, in particular at least 10%, 30% or 50% smaller, than the wall thickness of the transition section.
- the thinner wall thickness of the snap hook enables elastic bending of the snap hook in the radial direction. As a result, pipelines in particular can be attached to and detached from the fluid connections with little installation effort.
- the valve housing has at least two or three offset to one another in the circumferential direction, in particular in the circumferential direction by at least 45 0, 6o °, 75 0 or 90 ° offset to each other, additional fluid ports.
- connection to another connection is to be understood in particular as the fact that this connection does not have an overlap cross-section transversely, in particular orthogonally, to the direction of the axis of rotation.
- the at least two or three additional fluid connections and one of the two fluid base connections are arranged at equidistant distances from one another in the circumferential direction around the axis of rotation.
- the at least two additional fluid connections are preferably arranged in the circumferential direction in front of and behind the one of the at least two fluid base connections.
- the at least two additional fluid connections are at the same distance from the axis of rotation in the radial direction as the at least two fluid base connections.
- the at least two additional fluid connections and one of the at least two fluid base connections are arranged in a semicircle around the axis of rotation. The semicircular shape is described in particular by the connecting line running in the circumferential direction between the at least two additional fluid connections and one of the at least two fluid base connections.
- these are preferably arranged at equidistant distances from one another in the circumferential direction.
- all of the at least two or three additional fluid connections are arranged in the radial direction within the outer contour of the rotary valve.
- the at least two or three additional fluid connections and / or one of the fluid base connections have an overlap cross-section with the rotary valve in the radial direction.
- the at least two or three additional fluid connections and one of the at least two fluid base connections are arranged completely within the outer contour of the rotary valve in the radial direction.
- the overlap cross-section in the radial direction is preferably at least 50%, 70%, 90% or 95% of the opening cross-section of the fluid base connection and / or of the additional fluid connection extending transversely, in particular orthogonally, to the direction of the axis of rotation.
- the at least two or three additional fluid connections and one of the at least two fluid base connections are completely encircled in the circumferential direction by the outer contour of the rotary valve.
- the complete rotation of the fluid connections through the outer contour of the rotary valve is to be understood in particular as meaning that the opening cross-section of the fluid connections is arranged completely within the outer contour of the rotary valve in the radial direction.
- the at least two fluid base connections and the at least one additional fluid connection are designed in one piece with the valve housing, in particular in each case in one piece with the cover part and / or the receiving shell of the valve housing.
- the valve housing has at least two, four or six additional fluid connections, which are connected in the direction of the axis of rotation opposite sides of the rotary valve are arranged.
- two additional fluid connections are arranged on the opposite side of the rotary valve in the direction of the axis of rotation.
- half of the additional fluid connections are arranged in the direction of the axis of rotation on one side of the valve housing, in particular on a cover part of the valve housing.
- the other half of the additional fluid connections is arranged on the opposite side of the valve housing in the direction of the axis of rotation, in particular arranged on a receiving shell of the valve housing.
- all of the at least two, four or six additional fluid connections are arranged in the radial direction within the outer contour of the rotary valve. This is to be understood in particular that all opening cross-sections of the additional fluid connections are arranged in the radial direction within the outer contour of the rotary valve.
- the at least two or in each case two of the at least four or six additional fluid connections have an overlapping cross section extending transversely, in particular orthogonally, to the direction of the axis of rotation.
- the at least two or two of the at least four or six additional fluid connections are aligned with one another in the direction of the axis of rotation.
- the overlap cross section is preferably at least 50%, 70%, 90% or 95% of the opening cross section of the fluid base inlet and / or fluid base outlet extending transversely, in particular orthogonally, to the direction of the axis of rotation.
- the at least two, four or six additional fluid connections each form additional fluid connection pairs which are arranged on opposite sides of the rotary valve in the direction of the axis of rotation.
- the additional fluid connection pairs are aligned along alignment lines extending essentially parallel to the axis of rotation.
- the alignment lines are formed in particular by the center points of the opening cross-sections of the respective additional fluid connections.
- the opening cross-sections of the additional fluid connections are circular.
- the opening cross-sections of the additional fluid connections of an additional fluid connection pair each extend in a rotationally symmetrical manner around the alignment line.
- alignment lines are arranged around the axis of rotation at a distance from one another in the circumferential direction.
- the two fluid base connections are also aligned along an alignment line.
- the alignment lines of the fluid base connections and the additional fluid connections are in particular arranged at equidistant intervals around the axis of rotation.
- the alignment lines are arranged in the radial direction essentially at the same distances from the axis of rotation. Under essentially is in in this context, in particular, a maximum deviation of 10%, 20% or 30% should be understood.
- the rotary slide valve is designed in such a way that a connection position different from the basic position can be set for each additional fluid connection, in which an additional fluid connection is provided between the additional fluid connection and at least one fluid base connection.
- the rotary slide valve is designed in such a way that a connection position different from the basic position can be set for each additional fluid connection, in which an additional fluid connection is provided between the additional fluid connection and at least one other of the additional fluid connections, in particular the at least one other of the additional fluid connections closes in the circumferential direction the additional fluid connection is offset.
- the passage recess for this purpose extends in the circumferential direction over the amount by which the additional fluid connections are offset from one another.
- the passage recess for this purpose extends in the radial direction and / or in the circumferential direction by at least 50%, 75%, 100% or 150% of the mean cross-sectional width of the opening cross-section of the fluid connections.
- a fluidic base connection is preferably to be understood as a fluidic connection between two connections which have an overlapping cross-section extending transversely, in particular orthogonally, to the direction of the axis of rotation, in particular in alignment with one another in the direction of the axis of rotation.
- An additional fluid connection is to be understood in particular as a fluid connection between two connections offset from one another in the circumferential direction.
- an offset in this context is to be understood in particular as meaning that the connections do not have an overlap cross-section transversely, in particular orthogonally, to the direction of the axis of rotation.
- the multi-way valve with a total of eight fluid connections, in particular two fluid base connections and six fluid additional connections, four fluid base connections can thus be provided.
- two additional fluid connections can be provided between the fluid base inlets and one additional fluid inlet in each case.
- fluid base connection and the term fluid additional connection serve in particular to clarify that the fluid additional connection provides an additional connection to the fluid base connections in addition to the base connection.
- the fluid base connections and the fluid additional connections do not have to be one another differ from each other.
- each pair of fluid connections which are arranged on opposite sides of the valve housing in the direction of the axis of rotation, can form a pair of fluid base connections.
- the fluid connections that are offset in the circumferential direction with respect to the fluid base connections are then referred to as additional fluid connections.
- the rotary slide valve is designed in such a way that at least two, particularly preferably four, connection positions can be set.
- the setting angle for adjusting the rotary slide from one connected position to another connected position is preferably twice as large as the setting angle for moving the rotary slide from the basic position into the connected position.
- the base position is to be understood as a position in which the passage cutouts are oriented in the circumferential direction centrally to the base connections.
- the passage recess extends symmetrically in both circumferential directions, starting from the fluid base connections.
- the passage recess extends in the circumferential direction by the adjustment angle to the adjacent additional fluid connections by which the rotary slide valve must be adjusted in order to be moved into the respective connected position.
- the rotary slide valve can be moved into the connected position by adjusting it by half the offset angle between the fluid base connection and the additional fluid connection.
- the passage recess extends in the circumferential direction from a fluid base connection to an additional fluid connection. To adjust the rotary valve from this fluid connection position into the connected position opposite in the circumferential direction, the rotary valve must first be moved back to the basic position by half the offset angle and then moved to the further connected position by a further half offset angle.
- the rotary valve has two passage recesses.
- both passage recesses are designed in accordance with one or more of the features described above or below.
- the passage recesses are designed to be identical in terms of geometry and dimensions.
- the two passage recesses are designed and / or arranged symmetrically to one another in the circumferential direction.
- the two passage cutouts are at the same distance from one another on both sides in the circumferential direction.
- the two passage recesses each extend by at least 60 °, 75 ° or 90 ° in the circumferential direction around the axis of rotation.
- a connection position can be provided in which an additional fluid connection is provided between in each case at least one additional fluid connection and at least one of the at least two fluid base connections.
- two fluid flows in particular fluidly decoupled from one another, can be set simultaneously via the multi-way valve.
- the passage recesses, the two fluid base connections and the at least one additional fluid connection are matched to one another in such a way that at least the base connection and / or the additional connection is provided in every possible rotary slide position.
- the rotary slide valve can be set about the axis of rotation by a maximum of 150 °, 120 ° or 90 ° from the base position.
- the rotary valve should be adjusted to at most 150 °, 120 0 and 90 ° in both circumferential directions, respectively.
- This makes it possible in particular to ensure that always a fluidal connection is provided through the passage recess, in embodiments in which the fluid ports are distributed only over 180 0 in the circumferential direction.
- the extent of the passage recess in the circumferential direction corresponds to the maximum distance in the circumferential direction between two fluid base connections and / or additional fluid connections that are adjacent in the circumferential direction.
- the invention also preferably relates to a cooling system for motor vehicles, comprising a multi-way valve which is designed according to one or more of the features described above, and at least one fluid line which is connected to the multi-valve via one of the fluid connections of the multi-valve.
- the cooling system preferably has one fluid line for each fluid connection, which is connected to a respective fluid connection.
- At least one, preferably each, fluid line preferably extends parallel to the direction of the axis of rotation.
- the fluid line extends in the direction of the axis of rotation over at least 10 mm, 20 mm, 30 mm, 40 mm or 50 mm parallel to the axis of rotation.
- At least two fluid lines are arranged via two fluid base connections on opposite sides of the rotary valve in the direction of the axis of rotation.
- the at least two fluid lines are arranged on opposite sides of the rotary valve in such a way that they have an overlapping cross section extending transversely, in particular orthogonally, to the direction of the axis of rotation, in particular are aligned with one another in the direction of the axis of rotation.
- FIG. 1 shows a multi-way valve according to the present invention
- FIG. 2 shows the multi-way valve from FIG. 1 without a housing cover
- FIG. 3 shows a plan view of the multi-way valve from FIG. 2, a basic position of the rotary slide being shown;
- FIG. 4A shows a plan view of the multi-way valve from FIG. 2, with a connected position of the rotary slide being shown;
- FIG. 4A shows a plan view of the multi-way valve from FIG. 2, with a connected position of the rotary slide being shown;
- FIG. 4B shows a plan view of the multi-way valve from FIG. 2, with an alternative
- Connection position is shown for connection position from FIG. 4A;
- FIG. 5 shows the rotary valve from FIGS. 1 to 4B in engagement with a drive disk
- FIG. 7 shows a plan view of a multi-way valve without and without a rotary slide valve
- Housing cover in which a fluid base connection and two additional fluid connections are provided in the receiving shell of the valve housing;
- Housing cover in which a basic fluid connection and three additional fluid connections are provided in the receiving shell of the valve housing;
- FIG. 9 shows a cross-sectional view through the multi-way valve from FIG. 1 along the line in FIG.
- Figure 3 shows section line A-A
- FIG. 10 shows a cross-sectional view of the multi-way valve from FIG. 1 along the section line BB shown in FIG. 4A, two closing elements being indicated by crossbars on opposite sides of the rotary slide in the direction of the axis of rotation;
- Fig. Li the cross-sectional view from Fig. IO, the indicated
- Closing elements are offset diagonally to one another
- FIG. 12 shows the cross-sectional view from FIG. 10, with the closing elements on a
- FIG. 13 shows the cross-sectional view from FIG. 10, only one closing element being indicated on one side of the rotary valve
- FIG. 14 shows the cross-sectional view from FIG. 13, the closing element being indicated on the other side of the rotary valve.
- Multi-way valves are given the reference number 1 below.
- a multi-way valve 1 for adjusting a fluid flow is shown.
- the multi-way valve 1 comprises a valve housing 3 with a housing cover 5 and a receiving shell 7.
- the valve housing 3 comprises a fluid base inlet 9 1 and a fluid base outlet 9 11 as well as three additional fluid inlets 9 111 and three additional fluid outlets 9 IV .
- the fluid base inlet 9 1 and the fluid base outlet 9 11 are shown as fluid base connections 9 1 , 9 11 .
- the additional fluid inlets 9 111 and the additional fluid outlets 9 IV are shown as additional fluid connections 9 111 , 9 IV .
- fluid input 9 1 9 111 uses the following as a synonym for the terms fluid base input 9 1 and fluid auxiliary input 9111 is.
- fluid outlet 9 11 , 9 IV is used as a synonym for the terms fluid base outlet 9 11 and fluid additional outlet 9 IV .
- the features described for the fluid inlets or fluid outlets in particular for the fluid base inlets 9 1 , for the fluid base outlets 9 11 , for the fluid additional inlets 9 111 and / or for the fluid additional outlets 9 ⁇ represent advantageous features.
- fluid connection 9 1 , 9 11 , 9 111 , 9 ⁇ is used as a synonym for the terms fluid base connection 9 1 , 9 11 and additional fluid connection 9 111 , 9 IV .
- fluid connection 9 1 , 9 11 , 9 111 , 9 IV is used below as a synonym for the terms fluid inlet 9 1 , 9 m and fluid outlet 9 11 , 9 IV .
- the reference number 9 is used for the terms fluid inlet, fluid outlet and fluid connection for easier readability.
- FIG. 2 shows the multi-way valve 1 from FIG. 1, in which the housing cover 5 is hidden.
- a rotary slide valve 11 which can be adjusted about an axis of rotation and has a passage recess 13 for a fluid flow. As shown in FIG. 3, the rotary slide valve 11 can be moved into a basic position in which a basic fluid connection is provided between the fluid base inlet 9 1 and the fluid base outlet 9 11.
- the fluid base inlet 9 1 and the fluid base outlet 9 11 are arranged on opposite sides of the rotary slide valve 11 in the direction of the axis of rotation.
- the valve housing 3 shown in FIGS. 1 and 2 has a total of eight fluid connections 9, of which four fluid connection pairs are arranged on opposite sides of the valve housing 3 in the direction of the axis of rotation.
- the other fluid connections 9 are designated as additional fluid connections 9 111 , 9 ⁇ .
- the left pair of fluid connections 9 lying opposite in the direction of the axis of rotation is designated as a pair of fluid base connections 9 1 , 9 11 .
- the remaining fluid connections 9 are designated as additional fluid connections 9 111 and 9 ⁇ .
- a fluid connection 9 can function both as a fluid inlet 9 1 , 9 111 and as a fluid outlet 9 11 , 9 ⁇ .
- fluid connections 9 are defined as fluid inlets 9 1 , 9 111 in FIG. 1 and the fluid connections 9 attached to the receiving shell 7 are identified as fluid outlets 9 11 , 9 IV . It should be understood, however, that this is only an exemplary representation. All fluid connections 9 are preferably designed in such a way that they can be used both as fluid inlets 9 1 , 9 111 and as fluid outlets 9 11 , 9 IV .
- FIGS. 4A and 4B show connection positions which differ from the basic position shown in FIG. 3.
- the passage recess 13 is designed in such a way that at least in one connection position there is an additional fluid connection is provided between the at least one additional fluid inlet 9 111 and / or additional fluid outlet 9 IV and the fluid base inlet 9 1 and / or fluid base outlet 9 11 .
- the fluid connections 9 are preferably designed in such a way that fluid lines (not shown) can be connected to the valve housing 3 for supplying and / or removing the fluid flow.
- fluid lines can be connected to the valve housing 3 for supplying and / or removing the fluid flow.
- closing elements can be connected to the valve housing 3 to prevent the fluid flow from being carried away.
- the line receptacles 15 are described in detail in connection with FIG. 9.
- FIG. 1 shows an embodiment of the multi-way valve 1 in which four fluid connections 9 are provided on opposite sides of the valve housing 3 and are offset from one another in the circumferential direction U.
- the fluid connections 9 are each offset from one another by 90 ° about the axis of rotation.
- the fluid connections 9 are arranged at equidistant distances from one another in the circumferential direction U around the axis of rotation.
- the fluid connections 9 are each arranged on opposite sides of the rotary slide valve 11 in the direction of the axis of rotation.
- two fluid connections 9 arranged on opposite sides of the rotary valve 11 each form fluid connection pairs which are each aligned with one another along an alignment line 17.
- a preferred embodiment is indicated in FIG.
- the fluid connections 9 are preferably arranged completely within the outer contour 65 of the rotary valve 11.
- the complete arrangement of opening cross-sections 21 of the fluid connections within the outer contour 65 of the rotary valve 11 corresponds to a 100% overlapping cross-section between the outer contour 65 of the rotary valve 11 and the opening cross-section 21 of the fluid connection 9.
- two fluid connections which are aligned with one another and which in particular have the same opening cross-section have an overlap cross-section of the opening cross-sections 21 of 100%.
- the receiving shell 7 of the valve housing 3 delimits a rotary slide receiving space.
- the rotary slide receiving space is designed in particular to be complementary in shape to the rotary slide 11, so that the rotary slide 11 is received by the rotary slide receiving space in particular in a bearing manner.
- the rotary slide receiving space extends in the manner of a cylinder with a Cylinder diameter that essentially corresponds to the outside diameter of the rotary valve.
- the cylinder receiving space extends in the direction of the axis of rotation over the entire extent of the rotary slide valve 11 in the direction of the axis of rotation, so that the rotary slide valve 11 can be completely received by the rotary valve receiving space in the direction of the axis of rotation.
- the receiving shell 7 has, in particular, a receiving space for a drive disk 23 for driving the rotary valve 11.
- the receiving space for the drive pulley 23 is adapted in particular to the outer contour of the drive pulley 23.
- the receiving space for the drive pulley 23 extends in the manner of a cylinder.
- the receiving space for the drive pulley extends in
- the direction of the axis of rotation essentially over the entire axial extent of the drive disk 23, so that the drive disk 23 can be inserted completely in the receiving space of the receiving shell 7, in particular in the direction of the axis of rotation.
- the receiving space of the drive disk 23 merges into the receiving space of the rotary slide valve 11, so that the rotary slide valve 11 and the drive disk 23 can be in engagement with one another in the transition area.
- Drive disk 23 encircle a sealing groove 25 for receiving a sealing ring 27.
- the receiving shell extends drop-like in the radial direction R to the axis of rotation.
- the teardrop shape of the receiving shell results in particular from the fact that the drive disk 23 preferably has a smaller diameter than that
- Drive pulley 23 can be made smaller, so that the receiving shell 7 tapers towards the receiving space for the drive pulley 23 in the radial direction.
- fastening means 29, such as screws or bolts, are provided on the receiving shell 5, via which the housing cover 5 can be connected to the receiving shell 7.
- the receiving space for the rotary slide valve 11 is delimited in the direction of the axis of rotation D above the housing cover 5.
- the rotary slide valve 11 is rotatably mounted between the housing cover 5 and the receiving shell 7.
- the position of the rotary slide 11 in the direction of the axis of rotation D is determined in particular by the housing cover 5 and the receiving shell 7.
- the receiving space is adapted to the geometry of the rotary valve 11 in such a way that the axial play and radial play required for the rotary bearing are set via the valve housing 3.
- the axial play of the rotary valve 11 on the receiving space for the Rotary slide 11 delimiting end walls 31, 33 of the housing cover and the receiving shell are defined.
- the end walls 31, 33 of the housing cover 5 and the receiving shell 7 extend parallel to one another, in particular orthogonally to the direction of the axis of rotation D and are spaced from one another in the direction of the axis of rotation D over the axial extent of the rotary valve 11 plus the axial play.
- the end walls 31, 33 of the housing cover 5 and the receiving shell 7 extend in the radial direction R essentially over the entire extent of the rotary valve 11.
- the end walls 31, 33 of the housing cover 5 and the receiving shell 7 extend in particular in the form of a disk.
- the end walls 31, 33 of the housing cover 5 and the receiving shell 7 are interrupted in the direction of the axis of rotation D by opening cross-sections 21 of the fluid connections 9. Starting from the opening cross-sections 21, the fluid connections 9 extend away from the rotary valve in the direction of the axis of rotation D.
- the rotary slide 11 is supported in the radial direction R in particular by the bearing journal 35.
- the rotary slide 11 has, in particular, a bearing hub 37 for mounting the rotary slide 11 on the bearing journal 35.
- the bearing hub 37 extends in the radial direction R in particular over the radius of the bearing journal plus a radial play to provide the rotary bearing of the rotary valve 11.
- the bearing shaft 35 extends completely through the receiving space for the rotary valve 11 in the direction of the axis of rotation.
- the bearing pin 35 extends in the direction of the axis of rotation D beyond the receiving space for the rotary slide 11 and ends in a bearing pin receptacle 39 of the housing cover 5.
- the bearing pin receptacle 39 extends in particular in a shape complementary to the bearing pin 35.
- the bearing pin receptacle 39 in particular makes the alignment of the housing cover 5 relative to the receiving tray 7 facilitated.
- the receiving space of the receiving shell 7 is delimited in particular by a cylindrical jacket 41.
- the cylindrical jacket 41 of the receiving shell 7 in particular has a diameter which essentially corresponds to the diameter of the rotary valve.
- the diameter of the cylindrical jacket of the receiving shell is at most 50%, 40%, 30%, 20%, 10%, 5%, 3% or 1% larger than the diameter of the rotary valve.
- the valve housing 3 has a drive receptacle 43 for a drive for driving the drive disk 23.
- the drive receptacle 43 extends in particular Hollow cylindrical and has a passage opening 45 through which a drive shaft of a drive can protrude into the receiving space for the drive pulley 23.
- the drive pulley has, in particular, a bearing hub 47 via which the drive pulley 23 can be connected to the drive shaft of a drive in a non-positive manner.
- a sealing means 49 such as a sealing ring, is provided between the bearing hub 47 of the drive disk 23 and the passage opening 45 for the drive shaft of the drive.
- the rotary slide valve 23 is rotatably mounted between the housing cover 5 and the receiving shell 7.
- FIG. 3 the rotary valve 11 is shown in the basic position.
- FIG. 4A the rotary valve is shown in a Zuschaltwolf 11, which by rotation of the rotary valve from the base position of FIG. 3 can be set clockwise by 45 0th
- FIG. 4B shows the rotary valve 11 in a Zuschaltwolf, the 45 0 is adjustable by rotation of the rotary valve 11 from the basic position of FIG. 3 counterclockwise.
- the passage recess 13 is designed in such a way that an additional fluid connection is provided between two fluid connections 9 offset from one another in the circumferential direction U in a connected position.
- the passage recess 13 is designed in particular such that the fluid flow in the base position shown in FIG. 3 can be transferred from the fluid base inlet 9 1 (not shown in FIG. 3) to the fluid base outlet 9 11 without deflection.
- passage recess 13 is designed in such a way that, in the connection positions shown in FIGS. 4A and 4B, an additional fluid connection is provided between the additional fluid outlet 9 IV and the fluid base inlet (not shown) and the fluid base outlet 9 11 .
- FIGS. 10 to 14 show the multi-way valve 1 in a connected position.
- the bars 53 symbolize closing elements 53, such as stoppers, with which the fluid connections 9 are sealed off from the valve housing 3.
- 10 shows a state in which two additional fluid connections 9 111 , 9 IV are provided with closing elements 53.
- the flow path 51 is interrupted along the fluid base connection.
- the fluid flow is thereby deflected transversely to the direction of the axis of rotation D.
- the fluid flow is deflected in the direction of the axis of rotation D via an S-shaped flow path 51 11.
- the second closing element 53 from FIG. 10 can also be attached to the fluid base outlet 9 11 instead of the additional fluid inlet 9 111.
- the fluid flow in the connection position between the fluid base inlet 9 1 and the additional fluid inlet 9 111 is deflected transversely to the direction of the axis of rotation D.
- the additional fluid inlet 9 111 serves as an additional fluid outlet. In this configuration, the fluid flow is deflected in the direction of the axis of rotation D via a U-shaped flow path 51 111.
- the S-shaped flow path 51 11 shown in FIG. 11 and the U-shaped flow path 51 111 shown in FIG. 12 are superimposed in the circumferential direction U in particular by the arc-shaped flow path 51 TM indicated in FIGS. 4A and 4B.
- 13 shows an embodiment in which one of the additional fluid connections, in particular an additional fluid outlet 9 IV , is open, while the other additional fluid connection, in particular an additional fluid inlet 9 111 , is closed by a closing element 53.
- a branch-like division is implemented from one input stream into two output streams.
- the additional connection is branched into the basic connection in the connected position.
- the fluid base inlet 9 1 is fluidly connected to the fluid base outlet 9 11 and an additional fluid outlet 9 ⁇ .
- one of the two output streams flows via a straight flow path 51 1 along the fluid base connection.
- the second output current is diverted transversely to the direction of the axis of rotation D.
- the second output flow is deflected in the direction of the axis of rotation D via an S-shaped flow path 51 11 along the additional fluid connection.
- the straight flow path 51 1 is deflected from the fluid base connection to an additional fluid connection.
- the second output flow is via a U-shaped flow path 51 111 along a fluidic Additional connection between the fluid base inlet 9 1 and the additional fluid inlet 9 111 deflected.
- the fluid connection 9 numbered as the additional fluid inlet 9 111 functions as the additional fluid outlet.
- the base connection is formed by a base connection section 55 of the passage recess 13 extending in the direction of the axis of rotation D.
- the base connection section extends in the shape of a cylinder through the rotary slide valve 11.
- the base connection section 55 merges step-free in the direction of the axis of rotation D into the opposite base connections 9 1 , 9 11 .
- the base connection section 55 is aligned in the base position with the opening cross-sections 21 of the fluid base connections 9 1 , 9 11 .
- the base connection section 55 is delimited in the connected position in the circumferential direction U on one wall side by a shell-shaped end wall 57 of the rotary slide valve.
- the cup-shaped end wall 57 of the rotary valve 11 is designed in particular as an over 180 0 extending hollow cylinder portion.
- the additional connection is formed by an additional connection section 59 which extends transversely to the direction of the axis of rotation D and which is formed in the passage recess 13.
- the additional connection section extends in an arc shape, in particular in a kidney shape.
- the additional connection section 59 extends in the circumferential direction U by 90 ° around the axis of rotation.
- the additional connection section 59 is delimited in the radial direction R by two bowl-shaped curved walls 61 of the rotary slide valve 11 separated from one another in the radial direction R by the passage recess 13.
- the shell-shaped curved walls 61 are shown in particular as hollow cylinder sections extending over 90 °.
- the base connection section 55 merges in the circumferential direction U on a transition side into the additional connection section 59 of the passage recess 13.
- the base connection section 55 and the additional connection section are combined in a kidney-shaped passage recess.
- the passage recess 13 is completely enclosed by the rotary slide valve 11 in the radial direction and in the circumferential direction.
- the passage recess 13 in the rotary valve 11 is delimited in the circumferential direction U by two shell-shaped end walls 57 and in the radial direction R by two shell-shaped curved walls 61, which in particular merge step-free.
- the shell-shaped end walls 57 and the shell-shaped curved walls 61 jointly form a kidney-shaped contour which runs around the passage recess.
- FIG. 5 shows an isolated view of the rotary slide valve 11 and the drive disk 23 from FIGS. 2 to 4B and 9 to 14.
- the drive disk 23 is designed as a drive gear.
- the drive pulley 23 is arranged in a common plane with the rotary slide valve 11.
- the rotary slide valve 11 is disk-shaped and has teeth 63 on its outer circumference.
- the toothing 63 is designed as a circumferential ring gear 63.
- the rotary slide valve 11 is adjustable on the outside circumference via the toothing 63. In particular, the rotary slide valve 11 can be adjusted over its outer circumference by means of a drive disk 23, in particular designed as a drive gear 23.
- the drive mechanism for the drive disk 23 in particular can be arranged in the radial direction R outside the rotary valve so that the drive mechanism for the drive disk 23 does not get in the way of guiding fluid lines in the area of the fluid connections 9.
- the rotary slide valve 11 extends in the direction of the axis of rotation D beyond its teeth.
- the rotary slide 11 extends in the direction of the axis of rotation D over at least two, three or four times the extent of the toothing.
- a rotary slide casing 65 is provided in particular, which extends in the direction of the axis of rotation D.
- the rotary slide casing 65 defines the outer contour of the rotary slide 11.
- the passage recess 13 is in particular arranged completely within the rotary slide casing 65 or the outer contour of the rotary slide 11.
- the rotary valve casing 65 extends in the radial direction R essentially to the beginning of the toothing 63, which adjoins the rotary valve casing D in the radial direction R.
- FIG. 6 shows an alternative embodiment of a rotary valve 11 with two passage recesses 13.
- the passage recesses 13 are arranged opposite one another in the radial direction R.
- the passage recesses 13 are at the same distance from one another in the circumferential direction U and in the radial direction R.
- the two passage recesses 13 are shaped identically and dimensioned identically.
- FIG. 7 and 8 each show views of a multi-way valve 1 in which the housing cover 5 and the rotary slide valve n are hidden.
- three fluid connections 9 are provided in the receiving shell 7 of the valve housing 3. Only the opening cross-sections 21 of the fluid connections 9 can be seen in FIG. 7.
- the opening cross-sections 21 are circular and their size is defined by the mean cross-sectional width in the form of the diameter 67.
- the opening cross-sections 21 of the fluid connections 9 are offset from one another by 90 ° in the circumferential direction.
- the opening cross-sections 21 are arranged completely within the cylindrical casing 41 in the radial direction R.
- the cylindrical jacket 41 essentially has the diameter of the outer contour 65 of the rotary valve 11.
- the arrangement of the opening cross-sections 21 shown in FIG. 7 within the cylindrical casing 41 of the receiving shell 7 corresponds to an overlapping cross-section between the rotary valve 11 and the fluid connections 9 of 100%.
- the arched, in particular kidney-shaped, configuration of the passage recess 13 ensures in particular that each of the opening cross-sections 21 in FIG. 7 can be displaced in fluid communication with another one of the fluid connections 9.
- the circumferential extent of the passage recess 13 is adapted accordingly to the offset of the opening cross-sections 21.
- connection positions can be set with a rotary slide valve.
- the rotary slide valve 11 To move from one connected position to the other connected position, the rotary slide valve 11 must be set by twice the setting angle in the circumferential direction, as when moving from the basic position into the connected position.
- FIG. 8 shows an embodiment of the multi-way valve 1 with four opening cross-sections 21 which are offset from one another by 90 ° in the circumferential direction U.
- the four opening cross-sections 21 are arranged in the circumferential direction U at equidistant intervals from one another.
- the passage recess 13 extends in the circumferential direction U at least over the maximum distance between two adjacent fluid connections 9 in the circumferential direction. This can in particular ensure that at least one fluid connection is provided between two fluid connections in every position of the multi-way valve 1.
- FIG. 9 shows a cross-sectional view of a multi-way valve 1 along the section line AA drawn in FIG. 3.
- FIGS. 10 to 14 show sectional views along the section line BB shown in FIG. 4A.
- the fluid connections 9 shown therein each delimit an opening cross-section 21 with a mean cross-sectional width 67 in the form of a diameter 67.
- the fluid flow can be fed to or removed from the valve housing 3 via the opening cross-section 21.
- the passage recess 13 of the rotary valve 11 extends in the direction of the axis of rotation D by over 100% of the diameter 67 of the opening cross-section 21. It has been found that such a dimensioning of the passage recess 13 in the direction of the axis of rotation D can significantly reduce flow losses due to the deflection of the fluid flow.
- the extension of the passage recess 13 in the direction of the axis of rotation D over at least 16 mm has proven to be particularly advantageous.
- the cylindrical jacket in particular extends over at least 16 mm in the direction of the axis of rotation D.
- a delimiting wall 31, 33 of the rotary slide valve 11 surrounding the passage recess 13 in the circumferential direction U extends over at least 16 mm in the direction of the axis of rotation D.
- the passage recess 13 extends in the radial direction R over the mean cross-sectional width 67 of the opening cross-section 21. This can in particular ensure that the fluid flow can flow through the fluidic base connection in the radial direction R free of cross-sectional jumps.
- the passage recess 13 has a recess inlet or outlet 69 on the opposite sides in the direction of the axis of rotation D.
- the recess entrance or exit 69 is formed identically on both sides of the rotary slide valve 11 in the direction of the axis of rotation D.
- the recess entrance and the recess exit 69 are each kidney-shaped.
- the passage recess 13 extends from the recess entrance to the recess exit 69 over a constant cross section.
- the cross section of the passage recess 13 in the direction of the axis of rotation D is constant.
- sealing means 21 are preferably provided between the rotary slide 11 and the valve housing 3 on the opposite sides of the rotary valve 11 in the direction of the axis of rotation D.
- the sealing means 71 extend in the radial direction in front of and behind the passage recess 13.
- the sealing means 71 are in the assembled state between the rotary valve 11 and the End wall of the housing cover 31 and the end wall of the receiving shell 33 are arranged.
- the passage recess 13 can, in particular, connect in a fluid-tight manner to the fluid base inlet 9 1 and to the fluid base outlet 9 11 .
- the passage recess 13 can, in particular, connect in a fluid-tight manner to the fluid base inlet 9 1 , the fluid base outlet 9 11 , the additional fluid inlet 9 111 and the additional fluid inlet 9 IV .
- the passage recesses 13 of fluid connections 9 arranged opposite one another in the rotational axis direction D each have an overlapping cross section.
- the fluid connections 9 arranged on opposite sides in the direction of the axis of rotation D are aligned with one another in such a way that they have an overlap cross section of 100%.
- the fluid connections 9 adjoining the valve housing in the direction of the axis of rotation D on opposite sides of the rotary slide valve 11 are fluid inlets and fluid outlets that are aligned with one another along alignment lines 17.
- the fluid connections 9 have, in particular, line receptacles 15.
- the line receptacles extend in particular in the shape of a hollow cylinder in the direction of the axis of rotation D.
- the line receptacles delimit a hollow cylindrical receiving space for fluid lines.
- the line receptacles 15 have snap hooks 73 arranged in the circumferential direction U around the opening cross section 21 of the fluid connections 9.
- the snap hooks 73 are spaced apart from one another in particular in the circumferential direction U.
- the snap hooks 73 have projections 75 which are designed to engage in a correspondingly designed recess in a pipeline (not shown).
- the snap hooks 73 are, in particular, fastened elastically to the valve housing 3.
- the snap hooks 73 merge into a cylindrical transition section 77 which adjoins the opening cross section 21 of the fluid connections 9.
- the transition section 77 is designed in particular in the circumferential direction U as a continuous hollow cylinder, which in particular has a larger, in particular at least 5%, 10% or 20% larger, diameter than the opening cross section 21.
- the wall thickness of the snap hooks 73 is smaller in the radial direction, in particular at least 10%, 30% or 50% smaller than the wall thickness of the transition section 77.
- the smaller wall thickness of the snap hooks 73 enables elastic bending of the snap hooks in the radial direction.
- the rotary slide valve 11 is arranged in a receiving space enclosed by the valve housing 3.
- the receiving space is designed to be complementary in shape to the rotary slide valve 11.
- the rotary slide 11 is rotatably supported in the valve housing 3, the distances between the rotary slide 11 and the valve housing 3 being essentially limited to the required axial play and radial play to provide the rotatable bearing.
- the valve housing seals the receiving space in a fluid-tight manner in such a way that fluid can enter and / or exit the valve housing 3 exclusively via the fluid connections 9.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Multiple-Way Valves (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE202019106394.7U DE202019106394U1 (de) | 2019-11-15 | 2019-11-15 | Mehrwegventil zum Einstellen eines Fluidstroms |
PCT/EP2020/081845 WO2021094417A1 (de) | 2019-11-15 | 2020-11-12 | Mehrwegeventil zum einstellen eines fluidstroms |
Publications (1)
Publication Number | Publication Date |
---|---|
EP4058701A1 true EP4058701A1 (de) | 2022-09-21 |
Family
ID=73449034
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20807324.7A Pending EP4058701A1 (de) | 2019-11-15 | 2020-11-12 | Mehrwegeventil zum einstellen eines fluidstroms |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP4058701A1 (de) |
CN (1) | CN114729703A (de) |
DE (1) | DE202019106394U1 (de) |
WO (1) | WO2021094417A1 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102022202216A1 (de) | 2022-03-04 | 2023-09-07 | Vitesco Technologies GmbH | Ventil-Pumpen-Einheit |
DE102022202217A1 (de) | 2022-03-04 | 2023-09-07 | Vitesco Technologies GmbH | Ventil-Pumpen-Einheit |
DE102022112572A1 (de) | 2022-05-19 | 2023-11-23 | Schaeffler Technologies AG & Co. KG | Kühlmittelventil mit strömungsoptimierter Leitgeometrie im Ventilkörper und Thermomanagementmodul |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2797707A (en) * | 1954-08-27 | 1957-07-02 | Lukens Steel Co | Filter valve |
US3066697A (en) * | 1961-02-08 | 1962-12-04 | Western Electric Co | Fluid distribution system |
US4195777A (en) * | 1977-02-03 | 1980-04-01 | Nippondenso Co., Ltd. | Hot water heating system |
FR2479397A1 (fr) * | 1980-03-31 | 1981-10-02 | Ferodo Sa | Robinet, notamment pour le reglage du chauffage de l'habitacle d'un vehicule automobile |
AT390130B (de) * | 1988-11-30 | 1990-03-26 | Vaillant Gmbh | Drehschieber sowie heizungsanlagen mit einem solchen drehschieber |
US5308040A (en) * | 1991-11-28 | 1994-05-03 | Torres Nestor Ruben | Fluid flow regulating valve |
JP2000314575A (ja) * | 1999-04-28 | 2000-11-14 | Mitsubishi Electric Corp | 流路制御弁及び空気調和機及び多室形空気調和機 |
FR2837897B1 (fr) * | 2002-03-26 | 2008-04-04 | Valeo Thermique Moteur Sa | Vanne a commande electrique pour circuit de circulation de fluide |
DE20311198U1 (de) * | 2003-07-22 | 2003-10-30 | Phung Ngoc Thuy | Ventil |
DE102006053307A1 (de) * | 2006-11-13 | 2008-05-15 | Robert Bosch Gmbh | Ventil zur Steuerung von Volumenströmen |
CN101608696B (zh) * | 2009-06-30 | 2011-04-06 | 林波 | 旋片式多功能多用途阀 |
DE102010064307A1 (de) * | 2010-12-29 | 2012-07-05 | Robert Bosch Gmbh | Ventil zur Steuerung von Volumenströmen |
DE102012224369A1 (de) * | 2012-12-27 | 2014-07-03 | Robert Bosch Gmbh | Ventil zur Steuerung von Volumenströmen |
EP3153361B1 (de) * | 2015-10-05 | 2020-04-22 | Helbako GmbH | Vorrichtung zur verteilung von waschwasser in einem fahrzeug |
-
2019
- 2019-11-15 DE DE202019106394.7U patent/DE202019106394U1/de active Active
-
2020
- 2020-11-12 CN CN202080079218.4A patent/CN114729703A/zh active Pending
- 2020-11-12 WO PCT/EP2020/081845 patent/WO2021094417A1/de unknown
- 2020-11-12 EP EP20807324.7A patent/EP4058701A1/de active Pending
Also Published As
Publication number | Publication date |
---|---|
WO2021094417A1 (de) | 2021-05-20 |
CN114729703A (zh) | 2022-07-08 |
DE202019106394U1 (de) | 2021-02-16 |
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