WO2024115516A1 - Unité d'électrovanne, dispositif de nettoyage et véhicule - Google Patents

Unité d'électrovanne, dispositif de nettoyage et véhicule Download PDF

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Publication number
WO2024115516A1
WO2024115516A1 PCT/EP2023/083424 EP2023083424W WO2024115516A1 WO 2024115516 A1 WO2024115516 A1 WO 2024115516A1 EP 2023083424 W EP2023083424 W EP 2023083424W WO 2024115516 A1 WO2024115516 A1 WO 2024115516A1
Authority
WO
WIPO (PCT)
Prior art keywords
solenoid valve
valve unit
supply line
fluid
housing
Prior art date
Application number
PCT/EP2023/083424
Other languages
German (de)
English (en)
Inventor
Johannes Deichmann
Jens Missun
Matthias Fischer
Andreas SCHMICK
Wolf Goetze
Bernd Jäger
Original Assignee
Vitesco Technologies GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Vitesco Technologies GmbH filed Critical Vitesco Technologies GmbH
Publication of WO2024115516A1 publication Critical patent/WO2024115516A1/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
    • F16K31/0603—Multiple-way valves
    • F16K31/0606—Multiple-way valves fluid passing through the solenoid coil
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K27/00—Construction of housing; Use of materials therefor
    • F16K27/003—Housing formed from a plurality of the same valve elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K27/00—Construction of housing; Use of materials therefor
    • F16K27/02—Construction of housing; Use of materials therefor of lift valves
    • F16K27/0263—Construction of housing; Use of materials therefor of lift valves multiple way valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K27/00—Construction of housing; Use of materials therefor
    • F16K27/02—Construction of housing; Use of materials therefor of lift valves
    • F16K27/029—Electromagnetically actuated valves

Definitions

  • Solenoid valve unit cleaning device and vehicle
  • the invention relates to a solenoid valve unit for distributing a pressurized fluid to individual cleaning points of a device, in particular a vehicle, a cleaning device with such a solenoid valve unit, in particular for a vehicle, and a vehicle with such a cleaning device.
  • An object underlying the invention is to improve water distribution for device cleaning, in particular vehicle cleaning, in view of the increasing number of vehicle sensors.
  • a solenoid valve unit for distributing a pressurized fluid to individual cleaning points or points to be cleaned on a device, in particular a vehicle.
  • the solenoid valve unit has at least two solenoid valves, each with an electromagnet, which can each be fluidically connected to one of the cleaning points via an associated outlet, and a housing with at least one central supply line and at least one fluid inlet for providing the pressurized fluid in the supply line.
  • the solenoid valves are joined to the housing transversely to the supply line. It is proposed that an electromagnet assigned to one of the drains can be flowed through via an assigned drain opening of the supply line transversely to the supply line.
  • the proposed solenoid valve unit advantageously reduces these hydraulic losses to a minimum by supplying the fluid as directly as possible to the respective outlets across the supply line.
  • This proposed fluid distribution mechanism simplifies a vehicle cleaning device or a vehicle cleaning system and thus reduces the associated costs because it eliminates the need for fluid feed pumps and separate valve units. Consequently, this also results in weight savings. And by eliminating the need for fluid feed pumps, the corresponding fluid pump control is also simplified.
  • This proposed fluid distribution mechanism also reduces fluid consumption. And this in turn is reflected in an increase in the range of a vehicle, which can be achieved by filling a cleaning fluid container or tank. This is particularly true for fully autonomous vehicles in the future, which will require a will have a significantly higher number of sensors - including safety-relevant sensors - and their functionality, particularly with regard to the safety-relevant sensors, must be ensured.
  • the saving of required device or system components also promotes a corresponding compactness of such a device or system, so that less installation space is required overall.
  • a cleaning point can be understood as a cleaning point assigned to a vehicle sensor. This cleaning point does not have to be part of the sensor itself, but can be arranged at a distance from the assigned sensor, for example a point on a windshield and the like. The cleaning point can also be part of a vehicle sensor, such as a cleaning point assigned to a camera. A cleaning point can also be another point on the vehicle that is not assigned to a vehicle sensor as such, for example another point on the windshield, a point on a headlight and the like.
  • a fluid is understood to mean a liquid or cleaning fluid.
  • this is water, but advantageously an aqueous cleaning agent solution, i.e. water in combination with a cleaning agent additive.
  • the cleaning agent solution can also advantageously contain a freezing agent or antifreeze, which as such lowers the freezing point of the cleaning agent solution.
  • a fluid also includes air or ambient air, which is also suitable for cleaning the previously mentioned cleaning surfaces when pressurized.
  • a fluid can also be understood as a mixture of the cleaning liquid described above, in the simplest case just water, and air or ambient air.
  • Ambient air can be understood as the air in a vehicle interior, which is expediently filtered and possibly preheated air.
  • a filter that is already installed in an HVAC system Heating, Ventilation and Air Conditioning
  • An air filter provided for heating, ventilation, air conditioning technology or an air conditioning system can be used. The latter contributes to a reduction in costs.
  • preheated vehicle interior air or warm air has the advantage that, when the outside temperature in the vehicle is cold, freezing of the cleaning fluid at the respective cleaning point is prevented, for example at a cleaning point that can be assigned to a sensor optics.
  • transverse (- transverse to the supply line) is to be understood as meaning that the individual fluidic connections between the drain openings of the supply line and the electromagnets through which the flow can flow enclose or form an obtuse or acute angle relative to the supply line, i.e. an angle of greater or less than 90°, or also represent an orthogonal arrangement, i.e. enclose or form an angle of 90°.
  • the individual drain openings of the supply line are arranged coaxially to an associated through-line through which the fluid can flow through the electromagnet. This further promotes a direct or almost direct supply of the fluid to the respective drains across the supply line.
  • two solenoid valves arranged opposite one another and transversely to the supply line, between which the supply line lies form a modularly extended solenoid valve pair, the common housing section of which is extended either at one end or at both ends of the supply line by a housing section of another solenoid valve pair by means of a joint connection and/or material connection.
  • a pair of solenoid valves represents a simple basic unit, which in the sense of the smallest possible solenoid valve unit forms the basis for a so-called
  • a modular system is provided from which any number of solenoid valve pairs of this type can advantageously be expanded or combined to form a correspondingly larger solenoid valve unit as required.
  • the joint connection between two housing sections joined together can, for example, be designed in the form of a so-called bayonet connection or the like.
  • the individual solenoid valves can also be joined to the associated or common housing section by means of a joint connection - for example in the form of the aforementioned bayonet connection and the like - and/or connected by a material connection.
  • the electromagnets can each be flowed through by a through-line via an internal valve piston that acts as a closure body. It is proposed that a spring extends from the associated electromagnet into this through-line, via which the valve piston is pre-tensioned against an associated drain opening of the supply line when the electromagnet is not energized and closes this in a fluid-tight manner.
  • the through-line of the valve piston forks or branches towards a closure section of the valve piston into at least two line sections around the closure section, wherein the closure section together with associated housing sections of the solenoid valve unit also forms these line sections.
  • the closure section of the valve piston is rotationally symmetrical, i.e. convex, concave and/or conical, at least in sections, in order to fluidically seal the associated drain opening of the supply line. close.
  • the closure section can be designed, for example, in the shape of a ball.
  • this closure section which is at least partially rotationally symmetrical, i.e. convex, concave and/or conical, which can be pressurized by the supply line, be as small as possible. This is because minimizing the pressurized area of the closure section enables a correspondingly cost-effective design of the electromagnets, because minimal magnetic forces are sufficient to actuate the individual solenoid valves in order to move the respective valve piston into an open position against a spring acting on it or having a restoring effect.
  • the valve piston is made of a magnetic material, such as a plastic mixed with ferromagnetic particles or a magnetized stainless steel, etc.
  • a plastic mixed with magnetic particles the closure section can be injection-molded or bonded to this plastic, or alternatively pressed.
  • the solenoid valve unit has a central circuit board for contacting the individual electromagnets.
  • a circuit board can advantageously be attached to one side or to a section of the solenoid valve unit, for example to the housing forming the supply line, using a joint and/or material connection in a space-saving manner.
  • a bus-controlled central electronic control unit can be designed or arranged on the circuit board so that the individual solenoid valves can be controlled without the need for separate cables.
  • the solenoid valve unit has at least one fluid delivery unit for providing the pressurized fluid.
  • the fluid conveying unit can be a liquid conveying pump with at least one pump stage or a fluid conveying unit in the form of a This can be a so-called pump-compressor unit with at least one pump stage and at least one compressor stage, which pumps a liquid and/or air in a speed-controlled and/or speed-regulated manner.
  • the solenoid valve unit has at least a first fluid conveying unit and a second fluid conveying unit of the type described above for providing the pressurized fluid.
  • These fluid conveying units can be arranged fluidically in series and/or parallel to one another.
  • solenoid valve unit of the type described above, wherein at least one of the solenoid valves is not fluidically connected to any of the cleaning points of the vehicle in order to reliably enable or ensure pressure equalization to the environment in the event of freezing of the fluid in the central supply line.
  • a vehicle with such a cleaning device is also proposed.
  • a vehicle is understood to mean any type of vehicle that is powered by either an internal combustion engine and/or an electric motor, but in particular passenger cars and/or commercial vehicles. These are preferably semi-autonomous and in particular fully autonomous vehicles.
  • Fig. 1 a proposed solenoid valve unit in a first perspective view
  • Fig. 2 the solenoid valve unit shown in Fig. 1 in a second perspective view
  • Fig. 3 the solenoid valve unit shown in Fig. 1 in a third perspective view
  • Fig. 4 a solenoid valve pair of the solenoid valve unit shown in Figs. 1 to 3 in a perspective view and
  • Fig. 5 shows a solenoid valve of the solenoid valve unit shown in Figs. 1 to 3 in a sectional view.
  • the proposed solenoid valve unit 2 is intended for a cleaning device of a vehicle and serves to supply individual cleaning points of the vehicle with a pressurized liquid or cleaning liquid.
  • This solenoid valve unit 2 functions as a distributor, which distributes the liquid to the individual cleaning points via one of the illustrated outlets Ai, A2, ..., A9, Aw.
  • the solenoid valve unit 2 has a housing 4 with an inlet Z, via which the liquid provided by a liquid feed pump or pump (not shown here) is fed to a central supply line 6 in the housing 4.
  • a total of ten solenoid valves 8, 10, ... are shown in Fig. 1 - purely as an example - as components of this solenoid valve unit 2.
  • a circuit board 12 arranged between the individual solenoid valves 8, 10, ... is also provided on the housing 4 in a space-saving manner, which extends over the entire solenoid valve unit 2 between the individual electromagnets EM1, EM2 ... EM9, EM of the respective solenoid valves 8, 10, ...
  • the control unit which is arranged on the circuit board 12, allows the individual solenoid valves 8, 10, ... to be controlled individually, bypassing separate cables.
  • Fig. 2 shows an example of a possible type of stationary fixing or securing of the individual solenoid valves 8, 10, ... relative to the housing 4, namely by means of individual clamps 14, which are each provided between two opposing solenoid valves 8, 10, ..., between which the housing 4 lies, and which secure or secure the solenoid valves 8, 10, ... relative to the housing 4.
  • These clamps 14 engage in undercuts or recesses of associated housing sections, in particular plastic housing sections of the respective solenoid valves 8, 10, ..., so that the individual solenoid valves 8, 10, ... are reliably secured or secured relative to the housing 4.
  • the location of the individual solenoid valves 8, 10, ... could also be reliably achieved by locally welding - or at least by locally bonding - the solenoid valves 8, 10, ... to the housing 4.
  • Fig. 3 clearly shows that an electromagnet EM1, EM2 ... EM9, EM10 assigned to one of the outlets Ai, A2, ... , A9, A10 can be flowed through via an assigned outlet opening 7 of the supply line 6 transversely to the supply line 6 and almost directly.
  • An electromagnet EM1, EM2 ... EM9, EM10 assigned to one of the outlets Ai, A2, ... , A9, A10 can be flowed through via an assigned outlet opening 7 of the supply line 6 transversely to the supply line 6 and almost directly.
  • the proposed solenoid valve unit 2 thus enables the most direct possible flow through the individual electromagnets EM-i, EM2 ... EM9, EM10 transverse to the supply line 6.
  • Such a direct flow through the individual electromagnets EM1, EM2 ... EM9, EM10 is also promoted by the fact that the individual drain openings 7 are arranged coaxially to the associated through-line through the respective electromagnet EM1, EM2 ... EM9, EM10.
  • the solenoid valve unit 2 illustrated in Figs. 1 to 3 also represents a fluid distribution mechanism without any fluid leakage within the housing 4.
  • the valve pistons 18 with their spherical closure section 26 are indeed movable relative to the housing 4, 4g, but the closure sections 26 only form a gap to the associated housing section 4g when the associated valve piston 18 is in an open position, through which gap the pressurized fluid can flow. This means that there is no need for a fluid feed pump or fluid feed pumps, which as such must provide for fluid leakage.
  • the proposed solenoid valve unit 2 thus contributes to energy savings.
  • the solenoid valve unit 2 illustrated in Figs. 1 to 3 also represents a very compact and space-saving solution for a fluid distribution mechanism.
  • a further advantage of this proposed solenoid valve unit 2 results from its modular design (see Fig. 4), which as such offers a high degree of flexibility.
  • This joining connection between two joined housing sections 4g is designed, for example, in the form of a bayonet connection.
  • the individual solenoid valves 8, 10, ... can also be joined or connected to the associated housing section 4g by means of such a bayonet connection and thus fixed relative to the housing section 4g or the housing 4.
  • Both the joints between individual solenoid valves 8, 10, ... and the respective associated housing sections 4g as well as the joints between the individual housing sections 4g are designed to be sufficiently fluidically sealed by means of appropriate seals, for example in the form of O-rings.
  • This proposed modularity enables a flexible use of a so-called modular system, from which - depending on the requirement or need - a solenoid valve unit 2 of any size in the sense of a liquid distribution unit can be assembled as required and at the same time cost-optimized.
  • the electromagnets EMi, EM2 ... EM9, EM10 can each be flowed through via an internal valve piston 18 acting as a closure body with a through-line 22 (see Fig. 5).
  • a helical spring 20 extends into this through-line 22, via which the valve piston 18 is pre-tensioned against an associated drain opening 7 of the supply line 6 in a de-energized state of the electromagnet EM1, EM2 ... EM9, EM10 and closes this in a fluid-tight manner.
  • This through-line 22 branches or forks towards a closure section 26 - of the valve piston 18 - in the form of a ball into at least two line sections 23, 25 around the closure section 26.
  • This closure section or this ball 26 forms these line sections 23, 25 with associated plastic housing sections of the respective solenoid valve 8, 10, ... and with associated plastic housing sections of the respective common housing section 4g.
  • the individual valve pistons 18 are advantageously made of a plastic with magnetic particles, such as ferromagnetic magnetic particles, which is integrally connected or molded with the respective ball 26.
  • valve piston 18 can also be made, for example, from a ferromagnetic metal or from a stainless, magnetized steel and can be joined and/or materially connected to the ball 26 or to an alternative closure section which has a rotational body section which is at least partially convex, concave and/or conical in shape for closing the associated drain opening 7.
  • the associated drain opening 7 of the supply line 6 can be reduced to a minimum.
  • a closure surface of the valve piston 18 that is pressurized with the liquid from the supply line 6 can be reduced to a minimum.
  • the restoring coil spring 20 and the respective electromagnet EM1, EM2 ... EM9, EM10 can be force-optimized. This in turn allows the costs of such a solenoid valve unit 2 to be kept as low as possible, because it is the individual electromagnets EM-i, EM2 ... EM9, EM10 that significantly influence the costs and drive them up.
  • the proposed valve piston 18 or its closure section or ball 26 thus enables a force and stroke-optimized design or dimensioning of the individual solenoid valves 8, 10, ... due to a closure surface that can be designed as small as possible, on which the pressurized liquid in the supply line acts.
  • Fig. 5 illustrates the solenoid valve 8 with the electromagnet EM1, which comprises a coil body 16 with a wire or coil winding made of, for example, copper, and a wire winding or coil carrier 17 made of plastic, through which the wire winding is accommodated.
  • the wire winding carrier 17 is molded with the wire winding.
  • a first wire or coil end 24 and a second wire or coil end 26 extend through the plastic of the wire winding carrier 17 and, for example, to the circuit board 12, with which the wire ends 24, 26 are contacted.
  • each of the electromagnets EM1, EM2 ... EM9, EM10 shown in Figs. 1 to 3 can be equipped with its own plug socket, via which these wire ends can be contacted with a corresponding plug.
  • the electromagnet EM1 also has a metallic return pot 30, made of iron or steel, for example, to which the coil body 16 is joined.
  • the return pot 30 comprises a first, central and bush-like pot section 32, which forms a through-line 38 to the outlet Ai and thus the said through-line through the electromagnet EM1, a second pot section 34 adjoining the first pot section 32 and a third pot section 36 adjoining the second pot section 34, which is joined to the coil body 16.
  • the said helical spring 20 is arranged so as to rest against a first spring seat in the through-line 38 and a second spring seat in the through-line 22 and is pre-tensioned so that the valve piston 18 in In a de-energized state of the electromagnet EMi, it is pre-tensioned against the associated drain opening 7 of the supply line 6 and closes it in a fluid-tight manner.
  • the arrangement of the return pot 30 and the coil body 16 illustrated in Fig. 5 is also partially injection-molded with a plastic which, on the one hand, forms a plastic section that can be joined to the common housing section 4g and through which the valve piston 18 is introduced into the solenoid valve 8 up to just before the bush-like pot section 32, as well as a plastic section for the outlet Ai of the solenoid valve 8.
  • This plastic overmolding not only connects the metallic pot sections forming the return pot 30 to the coil body 16, but also protects these metallic sections or components from corrosion.
  • an undercut or recess 28 for interaction with the previously described clamp 14 and an undercut or recess 29 for receiving a sealing ring, for example in the form of an O-ring, can be seen.
  • the gap S between the valve piston 18 and the pot section 32 limits the possible stroke of the valve piston 18.
  • this gap S advantageously ensures or enables so-called icing compensation or so-called icing protection of the solenoid valve unit 2.
  • icing-related movement of the liquid through the valve piston 8 or beyond the valve piston 8 is made possible in order to prevent icing-related damage to the respective solenoid valve 8 and/or the supply line 6.
  • the proposed solenoid valve unit 2 provides a corresponding compensation or pressure equalization option for each of the solenoid valves 8, 10, ..., so that the individual solenoid valves 8, 10, ... are protected from icing. can counteract damage to the proposed solenoid valve unit 2.
  • the individual plastic housing parts 4g as well as the individual plastic sections of the respective solenoid valves 8, 10 are made, for example, from a thermosetting or thermoplastic plastic - for example from a PPS-GF material.
  • the solenoid valve unit 2 illustrated in Fig. 4 in the sense of the smallest possible basic unit of the solenoid valve unit 2 shown in Figs. 1 to 3 shows a pair of solenoid valves, the solenoid valves 8, 10, ... of which are arranged opposite one another at an angle of 180° and coaxially to one another.
  • This arrangement enables the two solenoid valves 8, 10, ... to be easily attached to the common housing section 4g, for example by means of the previously mentioned clamp 14.
  • the solenoid valves 8, 10, ... can also be arranged in such a way relative to one another and opposite one another and joined to the common housing section 4g that they enclose an obtuse angle of greater than 90° and less than 180° or an acute angle of less than 90° with one another, without thereby losing the previously described advantages of a modular system.
  • This makes the proposed solenoid valve unit 2 even more flexible to design, depending on the installation space conditions.
  • At least one housing section 4g of one of the solenoid valve pairs shown in Figs. 1 to 3 can have a so-called partition wall section, which divides the central supply line 6 shown in Fig. 3 into at least two areas.
  • the housing 4 has at least a first supply line or a first supply line section and a second supply line or a second supply line section, each with an associated inlet.
  • the proposed solenoid valve unit 2 represents a fluid distribution mechanism or a type of fluid distributor with flow pressure losses or hydraulic losses reduced to a minimum.
  • This proposed solenoid valve unit 2 thus promotes high performance of a vehicle cleaning device, which as such has such a solenoid valve unit 2. Due to the high fluid pressures that can be used, fluid consumption of the vehicle cleaning device can advantageously be reduced to a minimum. As a result, the fluid feed pumps used essentially only have to compensate for the smallest losses of the solenoid valve unit 2.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Magnetically Actuated Valves (AREA)

Abstract

L'invention concerne une unité d'électrovanne (2) comprenant au moins deux électrovannes (8, 10,...), dont chacune comporte un électroaimant (EM1, EM2... EM9, EM10) et qui peuvent chacune être en communication fluidique avec l'un des emplacements de nettoyage d'un véhicule par l'intermédiaire d'une évacuation appariée (A1, A2, …, A9, A10), et un logement (4) qui présente au moins une conduite d'alimentation centrale (6) et au moins une alimentation en fluide Z pour fournir un fluide sous pression dans la conduite d'alimentation (6), les électrovannes (8, 10,...) sont raccordées au logement (4) transversalement à la conduite d'alimentation (6). Selon l'invention, le fluide peut s'écouler à travers un électroaimant respectif (EM1, EM2... EM9, EM10), qui est apparié à chacune des évacuations (A1, A2,..., A9, A10), transversalement à la conduite d'alimentation (6) par l'intermédiaire d'une ouverture d'évacuation appariée (7) de la conduite d'alimentation (6). L'invention concerne en outre un dispositif de nettoyage comprenant ladite unité d'électrovanne (2) et un véhicule comprenant ledit dispositif de nettoyage.
PCT/EP2023/083424 2022-12-01 2023-11-28 Unité d'électrovanne, dispositif de nettoyage et véhicule WO2024115516A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102022212983.0 2022-12-01
DE102022212983.0A DE102022212983A1 (de) 2022-12-01 2022-12-01 Magnetventileinheit, Reinigungsvorrichtung und Fahrzeug

Publications (1)

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WO2024115516A1 true WO2024115516A1 (fr) 2024-06-06

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008060342B3 (de) * 2008-12-03 2010-07-15 Festo Ag & Co. Kg Ventilanordnung
US20120279589A1 (en) * 2011-05-05 2012-11-08 Gt Development Corporation Configurable actuation-orientation valve
US20190118690A1 (en) * 2015-10-05 2019-04-25 Conti Temic Microelectronic Gmbh Pressure distributor for a motor vehicle
US20200317160A1 (en) * 2019-04-03 2020-10-08 Dlhbowles, Inc. Liquid distribution assembly for a sensor cleaning system and method
WO2020221584A1 (fr) * 2019-04-30 2020-11-05 Valeo Systèmes d'Essuyage Bloc d'électrovannes pour installation de nettoyage de capteurs d'un véhicule
CN214823154U (zh) 2021-04-01 2021-11-23 宁波恒帅股份有限公司 车用清洗泵及液体智能分配单元以及车用清洗装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2628179A1 (de) 1976-06-23 1978-01-05 Rau Swf Autozubehoer Waschanlage, insbesondere fuer kraftfahrzeuge

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008060342B3 (de) * 2008-12-03 2010-07-15 Festo Ag & Co. Kg Ventilanordnung
US20120279589A1 (en) * 2011-05-05 2012-11-08 Gt Development Corporation Configurable actuation-orientation valve
US20190118690A1 (en) * 2015-10-05 2019-04-25 Conti Temic Microelectronic Gmbh Pressure distributor for a motor vehicle
US20200317160A1 (en) * 2019-04-03 2020-10-08 Dlhbowles, Inc. Liquid distribution assembly for a sensor cleaning system and method
WO2020221584A1 (fr) * 2019-04-30 2020-11-05 Valeo Systèmes d'Essuyage Bloc d'électrovannes pour installation de nettoyage de capteurs d'un véhicule
CN214823154U (zh) 2021-04-01 2021-11-23 宁波恒帅股份有限公司 车用清洗泵及液体智能分配单元以及车用清洗装置

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