WO2011154339A1 - Soupape d'évacuation d'eau pour boîtier électronique et boîtier électronique équipé d'une telle soupape d'évacuation d'eau - Google Patents

Soupape d'évacuation d'eau pour boîtier électronique et boîtier électronique équipé d'une telle soupape d'évacuation d'eau Download PDF

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Publication number
WO2011154339A1
WO2011154339A1 PCT/EP2011/059254 EP2011059254W WO2011154339A1 WO 2011154339 A1 WO2011154339 A1 WO 2011154339A1 EP 2011059254 W EP2011059254 W EP 2011059254W WO 2011154339 A1 WO2011154339 A1 WO 2011154339A1
Authority
WO
WIPO (PCT)
Prior art keywords
valve body
connecting element
water drain
valve
drain valve
Prior art date
Application number
PCT/EP2011/059254
Other languages
German (de)
English (en)
Inventor
Manuel Aigner
Manuel Leitner
Josef Seidl
Hannes Ringer
Markus Ortbauer
Original Assignee
Lisa Dräxlmaier 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 Lisa Dräxlmaier GmbH filed Critical Lisa Dräxlmaier GmbH
Publication of WO2011154339A1 publication Critical patent/WO2011154339A1/fr

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Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/02—Details
    • H05K5/0213—Venting apertures; Constructional details thereof
    • H05K5/0214—Venting apertures; Constructional details thereof with means preventing penetration of rain water or dust

Definitions

  • the present invention relates to a water drain valve for electronics housing. More specifically, the present invention relates to a water drainage valve for electronic housings, comprising a connection member for connection to an electronics housing, and a valve body attached to the
  • the invention relates to an electronics housing for motor vehicles, comprising such a water drain valve.
  • Water drainage valves for electronic housings are generally designed according to the "float principle.” Such valves comprise a floating body which can be displaced in one
  • Valve housing is housed. When a buoyant force acts on the float, such as water pushing against the float from below, the float is displaced in the valve housing and pressed against a valve seat. This will create a vent of the float
  • Water drain valve is used for example in the
  • This water drain valve comprises a sealing contour to the electronics housing and a hollow cylinder, which is arranged at the lower end of the Abdichtkontur.
  • the hollow cylinder serves to guide a float, which has a protruding plate at its upper end.
  • valves with floats are relatively expensive and expensive solutions in terms of manufacture and assembly.
  • these valves have the problem that they do not seal reliably and a certain amount of Bad water can occur.
  • known valves according to the float principle relatively high dimensions in the axial
  • the object of the present invention is therefore to provide a water drain valve, the above
  • This task is accomplished by a water drain valve with the
  • the present invention is based on the idea to provide a water drain valve, the only one
  • the connecting element and the valve body are arranged such that they at least partially overlap. In the region of the overlap at least one capillary is provided, through which a liquid by means of
  • the water drain according to the invention is easy to manufacture and entil assemble. Furthermore, the inventive
  • a water drain valve is provided in which, when meeting the high tightness requirements for water drain valves for electronic housings for motor vehicles, only very small
  • the water drainage according to the invention comprises a capillary or recess through which a liquid can be conveyed
  • Capillary effect can escape. Under capillary effect or
  • Capillarity is the behavior of liquids that they show on contact with capillaries, such as narrow tubes, crevices or cavities.
  • a water drain valve in which a liquid, such as water, is allowed to pass only in one direction. That is, at the
  • entil drainage can indeed leak out of the valve to the outside, but no entil outside the water drainage existing liquid can enter the valve.
  • the electronics housing is reliable against external influences, such as
  • the connecting element and the valve body are arranged such that they at least partially overlap.
  • the connecting element can be arranged at least partially within the valve body, or the
  • Valve body can at least partially within the
  • Connecting element has an upper end, for connection to an electronics housing, and a lower end, on which the valve body is arranged. Between the upper end and the lower end of a cavity is formed.
  • the valve body has an end surface forming the cavity of the
  • Water drain valve according to this preferred embodiment is designed such that a liquid present in the cavity can escape from this through the at least one capillary by means of capillary effect.
  • the cavity of the connecting element is preferably designed in the form of a cylindrical recess, so that the
  • Connecting element can be easily manufactured.
  • cylindrical recess but may also in another form, for example with square or
  • Such a rotationally symmetrical component can be designed as a tubular element, with an open upper and an open lower end.
  • the valve body is preferably also designed as a rotationally symmetrical component.
  • the entire water drain valve would thus be as a "round" component, that is with circular cross-section, wherein it comprises two components, the connecting element and the valve body.
  • the "end face" of the valve body may be located at different locations on the valve body, as long as it defines the cavity of the connecting member at the bottom when the valve body is disposed on the connecting member, or defines the "end” of the cavity.
  • the connecting element at least partially within the
  • Valve body is the end face of the valve body
  • Valve body at least partially within the
  • valve body preferably provided in the upper region of the valve body.
  • the arrangement of the end surface of the valve body is not limited thereto, but may be arranged at any point between the upper and lower ends of the valve body as required. Under the “upper end” or “upper portion” of the valve body is the the
  • the valve body can be designed as a solid or partially solid or as a hollow part.
  • valve body the valve body may be made partially solid, such that it has a solid lower part and a hollow upper part.
  • the hollow upper part of the valve body may be made partially solid, such that it has a solid lower part and a hollow upper part.
  • Valve body would then be arranged overlapping with the connecting element, wherein the surface of the upper end of the solid part is formed as the end surface of the valve body.
  • the valve body is formed as a hollow element, which only substantially at its lower. End has the end surface.
  • valve body may be designed as (partially) solid or hollow element. If the
  • Valve body is designed as (partially) solid element, the surface of the upper end of the solid part as the
  • the end face thus limits the valve body designed as a hollow body essentially at the lower or upper end or subdivides the hollow valve body into two hollow body areas when the end face is arranged at any point between the upper and the lower end of the valve body.
  • the water drainage is designed such that one in the
  • Cavity existing liquid can enter via the end face in the at least one capillary.
  • a liquid present in the cavity can thus collect on the end face, pass through it into the at least one capillary and exit from the valve by means of capillary action.
  • both small amounts of water and larger amounts of water can be effectively led out of the valve.
  • the end face is raised in the middle and flattened towards the edge, so that a liquid present in the cavity to the edge of the end face, that is the bordering to the at least one capillary
  • Such a bump may be integrally provided on the end surface or arranged as a separate part on the end surface.
  • the water drain valve may be configured such that the in the cavity existing liquid through the capillary in the region of the overlap at least partially against the
  • the at least one capillary comprises at least one in the axial direction
  • the at least one channel or the at least one groove is provided on an inner circumferential side of the valve body and extends in the
  • Valve body except the end face. Particularly preferably, a plurality of channels is provided, so that in the
  • Water drain valve existing water can escape simultaneously through several channels from the valve.
  • at least two channels are provided, more preferably at least five channels, most preferably at least ten channels, such as twelve channels.
  • they are preferably one at a time
  • the shape of the channels can be chosen arbitrarily, that is, they can be performed, for example, angular or semicircular, wherein the channels
  • Connecting element which faces the valve body, arranged at least one spacer.
  • the at least one spacer protrudes over the lower end of the
  • Provision of the at least one spacer can a
  • the at least one capillary comprises at least one annular gap extending in the radial direction.
  • annular gap is
  • the water drain valve has an undercut.
  • cylindrical section is understood to mean a protruding section which tapers towards its end facing away from the connecting element
  • Water drain valve existing water run through the annular gap and over the edge or the uppermost part of the conical section particularly effectively. Under the edge or the uppermost part of the conical section, the most tapered part of the conical portion, which faces the valve body, understood.
  • valve body is preferably movable in the advantageous embodiment with an arrangement of the substantially conical portion of the valve body in one complementarily shaped recess in the connecting element
  • valve body can slide upwardly and downwardly in the axial direction to some extent within the connector. If, for some reason, ascending water should press against the water drainage valve from below, the valve body in the connecting element is moved upwards, that is towards the upper end of the connecting element. Thereby, the conical portion of the valve body is further in the
  • This embodiment of the water drain valve thus combines the beneficial effects of
  • Water drain valve to prevent ingress of water from outside the valve into the valve, and thus into the electronics housing. Further, within the valve water present is reliably discharged by the capillary effect to the outside, that is, outside of the valve. At this
  • the valve body in an arrangement at least partially within the connecting element, a downwardly extended portion.
  • a downwardly extended portion is understood to mean a portion which extends in the direction away from the connecting element, the downwardly extended portion having a circumferential shape and preferably having a circular cross section
  • Valve body formed a cavity. As water outside the valve rises, air is trapped in that cavity, raising the valve body and closing the valve or annular gap.
  • the conical portion of the valve body due to the increase in water, in the complementarily shaped recess in the
  • valve body at least partially within the connecting element, the valve body in the
  • Connecting element can be clipped.
  • the two components can be attached to each other with a low installation cost.
  • the connecting element at least
  • a rib is preferably provided on the outer periphery of the connecting element, at least partially encircling, and on the inner circumference of the valve body, a groove is provided, at least partially encircling, so that the rib of the connecting element snap into the groove of the valve body or can engage.
  • the provision of the rib on the outer circumference of the connecting element and the groove on the inner circumference of the valve body is to be preferred from a manufacturing point of view.
  • a reverse embodiment is also conceivable, that is, the provision of the groove on the outer circumference of the connecting element and the rib on the inner circumference of the valve body.
  • At least one latching lug or a snap hook is preferably provided on an upper portion of the valve body, which can engage behind at least one corresponding projection on the connecting element.
  • the at least one latching lug is preferably provided on an elongated projection or projection. The elongated approach on which the locking lug is provided, even if he is for example made of a hard plastic
  • valve body is made, still slightly deflectable elastically, so that the valve body can be inserted into the connecting element.
  • Particularly preferred are several, for example three, such approaches provided with locking lugs distributed around the circumference of the valve element.
  • additional guides may be provided in the region of the overlap between the connecting element and valve body, that is on the outer circumference of the valve body and on the inner circumference of the connecting element, so that the valve body movably arranged in the valve body along this guide in the axial direction of
  • the number of guides is not limited, it can only be provided a guide or more guides.
  • the guides can be performed, for example, according to the tongue and groove principle.
  • corresponding projections may be provided on the outer circumference of the valve body and on the inner circumference of the connecting element
  • Valve body is provided a seal, which is preferably completely circumferential.
  • the seal may be provided as a separate element on the valve body, for example in the form of an O-ring.
  • the seal can be sprayed directly to the valve body in a two-component injection molding process. This seal is like that
  • valve body or the float caused by an externally acting on the valve
  • Hydropower is pushed upward, it seals in addition to the conical portion of the valve body, the water drainage entil at the interface with the connecting element, so that no water can penetrate from outside to inside the valve.
  • Hard plastic preferably polypropylene (PP), polyamide (PA), polystyrene (PS) or combinations thereof, formed.
  • PP polypropylene
  • PA polyamide
  • PS polystyrene
  • Such hard components have the advantage that they have a relatively low weight, since hard plastics are relatively light materials.
  • a lightweight material for the valve body this can be particularly easily and effectively raised by the water power at a water rise outside the valve and thus close the water drain valve.
  • the float which is embodied by the movably arranged valve body, can be safely protected from the outside entering water.
  • Valve body made of the same material or hard plastic, so that both components have the same thermal expansion and thermally induced stresses
  • Connecting element can by choosing the same
  • Connecting element can be prevented.
  • the connecting element and the valve body are produced by injection molding.
  • injection-molded parts can be manufactured in different geometries, which are adapted to the respective electronics housing and its installation position or installation location within the engine compartment of a motor vehicle.
  • the electronics housing according to the invention comprises a container, on whose bottom wall an opening is provided, and a Wasserabiholzventil as described above, which is arranged at the opening.
  • electronics housing is generally understood housing for any components that are located in the engine compartment of a motor vehicle and must be protected against external influences, such as water and dirt.
  • E-box electronic housing
  • relays fuses or (motor) control units
  • the electronics housing is used for
  • Degrees of protection through housing are standardized according to DIN EN 60529.
  • terms for degrees of protection are defined by housings of electrical equipment, e.g.
  • housings should be protected against splashing water, even at elevated pressure, (strong) jet water, even with increased pressure and high pressure / steam jet cleaning, and should be impervious to dipping.
  • the connecting element is inserted into the opening of the container bottom wall and fixed to the bottom wall.
  • the attachment to the bottom wall of the container can take place in any suitable manner, for example by means of a
  • Connecting element snap hooks or locking lugs may be provided.
  • the gasket is preferably formed of a rubber material, such as an elastomer, e.g. Ethylene-propylene-diene rubber (EPDM).
  • EPDM Ethylene-propylene-diene rubber
  • annular designed and is provided on the bottom wall of the container. Particularly preferred is the seal in two-component injection molding on the container bottom
  • Connecting element of the water drain valve integrally or integrally formed with the container The integrated design of the connecting element with the container requires one to two fewer components. Further, at the bottom of the container no special seal to the connecting element more required, ie there is less of an interface that needs to be sealed. The integrated design of the container and the connecting element of the water drainage thus entails a lower logistics and assembly costs.
  • the container and the connecting element are molded by injection molding.
  • the container and the connecting element are molded by injection molding.
  • connecting element preferably made directly to the container together in an injection molding step, that is, the connecting element is designed as an elongated, preferably tubular, approach to the container.
  • FIG. 1 shows a perspective view of a connecting element arranged on a bottom wall of an electronics housing according to a first embodiment of the present invention
  • Figs. 2a and 2b show a perspective view and a sectional view, respectively, of a valve body according to the first embodiment
  • Embodiment shows
  • Fig. 4 is a sectional view of that shown in Fig. 3
  • Fig. 5 is an enlarged view of a portion A of Fig. 4;
  • Fig. 6 is a perspective view of a arranged on a bottom wall of an electronics housing Wasserablauf valve according to a second embodiment of the present invention;
  • Fig. 7 is a sectional view of the water drain valve in the open state according to the second embodiment
  • Fig. 8 is an enlarged view of a portion B of Fig. 7;
  • FIG. 1 is a perspective view showing a housing (not shown) disposed on a bottom wall 70 of an electronics package
  • Connecting element 10 according to a first embodiment of the present invention shows. As shown in FIG. 1, the connector 10 is disposed on a bottom 71 of the container TM bottom wall 70.
  • the connecting element 10 is designed as a rotationally symmetrical component, wherein it is in
  • a plurality of spacers 19 are arranged. In the embodiment shown in Fig. 1, there are four
  • Spacer 19 is provided. However, the number of spacers 19 is not limited to four, but may be more or less than four, as required. The
  • Spacers 19 serve a defined distance between the lower end of the connecting element 10 and a Ensuring end surface 22 of a valve body 20, as will be explained in more detail with reference to FIG. 5.
  • a rib 17 is provided on the outer circumference of the connecting element 10.
  • the rib 17 is provided throughout the entire circumference of the connecting element 10, but it may also be configured only partially circumferential.
  • the rib 17 serves for fastening the valve body 20 to the connecting element 10
  • the connecting element 10 and the valve body 20 secured by means of a snap connection to each other.
  • the valve body 20 is on the connecting element 10th
  • a groove 28 is further provided on an inner periphery of the valve body 20, as shown in Figs. 2a and 2b.
  • the groove 28 is provided over the entire inner circumference of the valve body 20 in the radial direction.
  • Valve body 20 designed as a rotationally symmetrical component.
  • a plurality of channels 25 is provided in addition to the groove 28, which extend in the axial direction of the valve body 20.
  • the channels 25 serve as a capillary, through which a liquid by means
  • the channels 25 extend over the entire length of the valve body 20, with the exception of one on the
  • Valve body 20 provided end surface 22.
  • twelve Channels 25 are provided.
  • the number of channels or grooves 25 is not limited to 25, but may, depending on
  • the channels 25 are each offset by a defined angle at the
  • the channels 25 are semicircular
  • Capillary effect can escape from the water drain valve 100.
  • Electronics housing (not shown) mounted water drain valve 100 according to the first embodiment is shown in Fig. 3.
  • the container has the bottom wall 70, the underside 71 (see Figure 4) facing the water drain valve 100, and the top 72 forming an inner bottom surface of the container an existing in the container
  • Water drainage valve 100 is arranged at this opening 75 of the container.
  • the connecting element 10 and valve body 20 as
  • Connecting element 10 is in this case integrated with the
  • Container bottom 70 and the container executed (see Fig. 4).
  • Fig. 4 is a sectional view of the water drain valve 100 shown in Fig. 3 is shown. As can be seen in Fig. 4, the connecting element 10 is partially within the
  • Valve body 20 is arranged.
  • the connecting element 10 has an upper end, on which it is connected to the bottom wall 70 of the
  • Electronic housing is connected, and a lower end to which the valve body 20 is arranged. Between the upper and the lower end of the connecting element 10, a cavity 16 is formed. The at the lower end of the valve body 20th arranged end surface 22 bounded the cavity 16 of the
  • Opening 75 enter the cavity 16 of the connecting element 10 and then exit from the water drain valve 100 through the capillaries or channels 25 by capillary effect.
  • the connecting element 10 and the valve body 20 is formed as a hollow body, wherein the cavity 16 of the connecting element 10 is designed in the form of a cylindrical recess.
  • FIG. 5 shows a detail view of a portion A of FIG. 4.
  • a liquid present in the cavity 16 can collect on the end face 22, pass through it into the channels 25 and out of the water drain valve by capillary action 100 exit.
  • Water drainage entil 100 is in this case designed such that the liquid present in the cavity 16 can escape through the channels 25 in the region of the overlap between the connecting element 10 and the valve body 20 against the gravitational force from the water drain valve 100.
  • the spacers 19 are from the lower end of the connecting element 10 and the end surface 22 of the valve body 20 in order to maintain a defined distance between the lower end of the connecting element 10 and the end surface 22 of the valve body 20, the spacers 19 are from the lower end of the
  • Fig. 6 shows a perspective view of a arranged on a bottom wall 70 of a container of an electronics housing (not shown) Wasserablauf valve 200 according to a second
  • the bottom wall 70 of the container has a bottom 71 which is the
  • Water drain valve 200 faces, and a top 72 (see FIGS. 7 and 9), the inner bottom or lower Inner surface of the container forms. As shown in Fig. 7 and 9, an opening 75 is provided on the bottom wall 71 through which a liquid present in the container enter the water drainage entil 200 and can then be discharged through this.
  • the water drain valve 200 according to the invention is arranged at this opening 75 in the bottom wall 70.
  • the connecting member 50 has an upper end where it is connected to the bottom wall 70 of the electronics housing and a lower end to which the valve body 60 is disposed. Between the upper and the lower end of the connecting element 50, as
  • the annular gap 65 is provided around the entire circumference of the water drain valve 200, in the region of the overlap of the connecting element 50 and of the valve body 60. Further, the water drain valve 200 is configured such that the existing in the cavity 56
  • Liquid can escape through the annular gap 65 in the region of the overlap of connecting element 50 and valve body 60 partially against the gravitational force from the water drain valve 200.
  • the valve body 60 is movably disposed in the connector 50. That is, the valve body 60 can move upwardly and downwardly in the axial direction to some extent within the connecting member 50.
  • the valve body 60 can move upwardly and downwardly in the axial direction to some extent within the connecting member 50.
  • the buoyancy force applied by the water ie in the direction of the upper end of the connecting element 50.
  • a conical section 63 of the valve body 60 is pressed further into a complementarily shaped recess 54 in the connecting element 50 , whereby the annular gap 65 is closed.
  • the locked state the valve body 60 can move upwardly and downwardly in the axial direction to some extent within the connecting member 50.
  • Water drain valve 200 is shown in FIG. When the external pressure or the buoyancy force on the
  • Water drain valve 200 decreases, the valve body 60 slides in the connecting element 50 back down in his
  • This starting position or open position of the water drain valve 200 is shown in FIG. 7.
  • the water discharge valve 200 thus configured thus combines the advantageous effects of the capillary effect with those of a "float.”
  • Water drain valve 200 is closed by the trained as a float valve body 60 to prevent ingress of water from the outside into the valve 200. Further, within the water drain valve 200 existing water through the
  • FIG. 8 is a detail view of portion B of FIG. 7. As seen in FIG. 8, the water drainage entil 200 has an undercut formed by the conical portion 63 on the valve body 60 and the complementarily shaped recess 54 on the connector 50 is formed. The recess 54 on
  • Connecting element 50 is formed between an elongate arm 54 a and a lower edge portion 54 b of the connecting element 54.
  • the conical section 63 tapers to its end facing the connecting element 50.
  • Embodiment is the conical section 63 such
  • Connecting element 50 facing side perpendicular in the axial direction of the valve 200 extends.
  • the edge portion 54b of the connecting element 50 facing side of the conical portion 63 is made oblique, so that the conical section 63 overall a certain inclination ⁇
  • the inclination ⁇ is preferably approximately between 5 and 20 °, particularly preferably approximately 10 °.
  • Edge portion 54 b limited side of the recess 54 is also carried out obliquely, corresponding to the slope of the side of the conical portion 63, which by the
  • Edge portion 54b limited side of the recess 54 faces.
  • the arm 54a of the connecting element extends substantially perpendicular in the axial direction of the
  • Water drain valve 200 making it a complementary
  • Section 53 forms.
  • the recess 54 thus has a complementary shape to the conical section, with in
  • Water drain valve 200 existing water means
  • the connecting member 50 and the valve body 60 are secured together by a snap connection.
  • the valve body 60 is in the
  • Connector 50 clipped.
  • 60 a plurality of locking lugs or at an upper portion of the valve body
  • Snap hook 67 is provided, the / behind each
  • the at least one detent 67 is in the embodiment shown on an elongated approach or
  • Projection 66 of the valve body 60 is provided.
  • snap connections is not limited to any number; rather, the number, depending on the requirement, can be selected arbitrarily. Particularly preferred are several, for example three, such projections 66 are provided with locking lugs 67 distributed around the circumference of the valve member 60. Further is the elongated projection 66, even if it is made for example of a hard plastic, still slightly deflected elastically, so that the valve body 60 in the
  • Connecting element 50 can be used. In the
  • valve body 60 movable arrangement of the valve body 60 within the
  • Connecting element 50 consists of the provision of
  • An optimum gap width denotes a gap width ⁇ of the annular gap 65, in which water from the valve 200 by means of
  • the gap width ⁇ is less than about 1 mm, more preferably between about 0.5 to 0.6 mm.
  • valve body 60 can move up and down in the connecting element 50 according to the float principle without wedging in the connecting element 50.
  • Valve body 60 has a downwardly extended portion 68.
  • the downwardly extended portion 68 is circumferentially formed and has a round cross section. Through this section 68, a cavity 69 is formed on the underside of the valve body 60.
  • the conical portion 63 of the valve body 60 due to the increase in water, is pressed into the complementarily shaped recess 54 in the connecting element 50.
  • the connecting element 50 is designed as a rotationally symmetrical component, wherein it is substantially tubular.
  • valve body 60 disposed within the connecting element 50 valve body 60 also has a substantially
  • Water drain valve 200 that is, the connecting element 50 and the valve body 60 are made as injection molded parts of a hard plastic.
  • valve body 60 Hard plastic as a material for the valve body 60, this has only a low weight. In this way, the valve body 60, which is movably arranged in the connecting element 50, can be lifted particularly easily and effectively by the hydraulic force when the water rises outside the valve 200 and thus close the water drainage valve 200.

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Self-Closing Valves And Venting Or Aerating Valves (AREA)
  • Valve Housings (AREA)

Abstract

L'invention concerne une soupape d'évacuation d'eau (100, 200) pour boîtier électronique ainsi qu'un boîtier électronique doté d'une telle soupape d'évacuation d'eau (100, 200). La soupape d'évacuation d'eau (100, 200) comprend un élément de liaison (10, 50) pour la liaison avec un boîtier électronique et un corps de soupape (20, 60) qui est disposé sur l'élément de liaison (10, 50). L'élément de liaison (10, 50) et le corps de soupape (20, 60) sont disposés de manière à chevaucher au moins en partie. La zone du chevauchement présente un capillaire (25, 65) par lequel un liquide peut sortir par effet capillaire.
PCT/EP2011/059254 2010-06-08 2011-06-06 Soupape d'évacuation d'eau pour boîtier électronique et boîtier électronique équipé d'une telle soupape d'évacuation d'eau WO2011154339A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010029796.8 2010-06-08
DE102010029796.8A DE102010029796B4 (de) 2010-06-08 2010-06-08 Wasserablaufventil für Elektronikgehäuse und Elektronikgehäuse mit einem solchen Wasserablaufventil

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Publication Number Publication Date
WO2011154339A1 true WO2011154339A1 (fr) 2011-12-15

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WO (1) WO2011154339A1 (fr)

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WO2019200511A1 (fr) 2018-04-16 2019-10-24 Telefonaktiebolaget Lm Ericsson (Publ) Filtre d'évent et télécommande radio
DE102020211726A1 (de) 2020-09-18 2022-03-24 Brose Fahrzeugteile SE & Co. Kommanditgesellschaft, Würzburg Elektromotorischer Pumpenantrieb

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