CN112601441A - Shielding housing for an electrical or electronic vehicle component - Google Patents
Shielding housing for an electrical or electronic vehicle component Download PDFInfo
- Publication number
- CN112601441A CN112601441A CN202010971680.7A CN202010971680A CN112601441A CN 112601441 A CN112601441 A CN 112601441A CN 202010971680 A CN202010971680 A CN 202010971680A CN 112601441 A CN112601441 A CN 112601441A
- Authority
- CN
- China
- Prior art keywords
- flange
- profile
- housing
- section
- semifinished
- 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
- 229910052751 metal Inorganic materials 0.000 claims description 11
- 239000002184 metal Substances 0.000 claims description 11
- 238000005476 soldering Methods 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 4
- 238000004026 adhesive bonding Methods 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims 10
- 230000002787 reinforcement Effects 0.000 description 8
- 238000005192 partition Methods 0.000 description 7
- 239000011265 semifinished product Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000005266 casting Methods 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 238000007789 sealing Methods 0.000 description 2
- 229920001169 thermoplastic Polymers 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003000 extruded plastic Substances 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
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
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0007—Casings
- H05K9/0009—Casings with provisions to reduce EMI leakage through the joining parts
-
- 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
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0007—Casings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
-
- 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
- H05K5/03—Covers
Abstract
The invention relates to a metallic shielding housing (100) for an electrical or electronic vehicle component (200), comprising a housing box (110) and a shell-shaped cover (120) which closes the housing box (110), wherein the cover (120) has a circumferential flange (123) which overlaps an edge (112) of the housing box (110). The invention provides that the cover plate (120) is designed in multiple parts and has a cover plate shell (121) and a flange (123) fixed to the cover plate shell, wherein the flange (123) is formed by at least one profile semifinished section.
Description
Technical Field
The invention relates to a metallic shielding housing for an electrical or electronic vehicle component, comprising a housing box and a shell-like cover plate which closes the housing box, wherein the cover plate has a circumferential flange which overlaps an edge of the housing box.
Background
Metallic shielding housings of this type are used to enclose at least one electrical and/or electronic vehicle component, for example an electronic drive or control device (control unit), and not only protect the relevant components from environmental influences, but also to achieve shielding (shielding effect). The shielding keeps the occurring electric and/or magnetic fields and electromagnetic waves away from the component and/or protects the environment from the electric and/or magnetic fields or electromagnetic waves emitted by the component. Whereby the electromagnetic compatibility (english: EMC) can be improved. The flange provided on the cover plate is mainly used to specifically shield a gap between the cover plate and the housing case (housing base). Such a flange may also be referred to as EMC flange.
Document DE 19649516 a1 describes an electrically conductive housing (10) with a shell-like cover (18) which closes the housing (10). The cover (18) is designed as a sheet metal shaped part with a flat base (19), to which base (19) a circumferential wall (21) extending at right angles to the plane of the cover and having a tongue-shaped projection (24) is connected as an edge (20). When the cover plate (18) is connected to the housing (10), the wall (21) is fitted into the housing groove (13) with the projection (24) overlapping, and the housing (10) and the cover plate (18) are conductively connected to each other. The shielding effect and electromagnetic compatibility of the electrical equipment arranged in the housing (10) are improved.
Disclosure of Invention
The object of the invention is to provide an improved shielding housing which avoids or reduces the disadvantages of the prior art.
The above-mentioned technical problem is solved by a shielding housing (i.e. a housing having a shielding function) according to the present invention. The invention is further developed and embodied in the form of the following description and the accompanying drawings.
The shielding housing according to the invention is characterized in that the cover plate thereof is designed in multiple parts, having a cover plate shell and a flange (EMC flange) fastened to the cover plate shell, wherein the flange is formed by at least one profile blank section or is produced from at least one profile blank.
The multi-part construction of the cover plate enables a very thin-walled design of the cover plate shell, which is then reinforced by the flange made from the profile blank. The cover plate is therefore light but stable, so that the invention is also particularly suitable for cover plates of large or large area, which have similar properties and cannot be produced as a one-piece sheet metal shaped part or cast part. Furthermore, the cover shell can be designed without casting-induced recesses or grooves, in which condensate collects. The flange, which is produced solely from the at least one profile blank, serves the dual purpose of shielding the gap between the cover and the housing box or housing base, as well as for mechanical reinforcement or stiffening. Advantageously, the flange does not have a cast-on pull-out chamfer, so that the flange can bear against the housing box or its edge over its entire surface, thereby improving the electrical connection. The flange made of at least one profile blank can overlap the edge (opening edge) of the housing box on the inside or on the outside or engage in an overlapping manner in the housing groove (as shown, for example, in document DE 19649516 a 1), wherein the flange is designed, in particular, to be closed around.
The semifinished profile is an elongated or rod-shaped semifinished product, in particular made of metal or plastic, which has a defined cross-sectional shape (cross-sectional shape) that is uniform over its entire length. Such semi-finished profiles can be obtained in different designs as stock goods or can be produced in the desired design specifically for the given application. Preferably, the semifinished profile is an extruded, pultruded, continuously cast, rolled or roll-formed or roll-extruded metal profile, in particular made of steel, aluminum or copper. The profile blank can also be an extruded plastic profile, wherein the shielding effect is achieved by an integrated wire layer or mesh layer and/or by a metallic coating. Thermoplastic plastics, optionally with fiber-reinforced thermoplastic plastics, are particularly suitable as plastics. From such a profile blank, a profile blank section of the desired length (i.e., a profile blank-length section) can be produced by shearing and then a flange (EMC flange) is formed or produced therefrom.
Such a flange can be formed by a single profile semifinished section (in its axial longitudinal direction) which extends substantially perpendicularly to the cover shell or cover plate plane. The profile of the profile corresponds to the profile of the flange. Such a flange can also be formed by a plurality of profile semifinished sections which extend (in the axial longitudinal direction thereof) substantially perpendicularly to the cover shell or cover plate plane. This means, in particular, that a plurality of, i.e. at least two, profile semifinished sections each form a partial contour of the flange, i.e. the flange contour is formed by the profile contours (or partial contours) of these profile semifinished sections. These semifinished profile sections are preferably produced from different profile semifinished products, i.e. from profile semifinished products having different cross-sectional shapes. The semifinished profile sections can be designed and arranged relative to one another at the connecting or contact points in such a way that a (shielding) overlap or covering is formed. Such a flange formed from a plurality of semifinished profile sections is particularly suitable for large or large-area cover plates, for example cover plates having dimensions (in relation to the diameter or the edge length) of more than 300 mm.
However, such a flange can also be formed by at least one semifinished profile section which extends (in its axial longitudinal direction) substantially parallel to the cover shell or cover plane. The at least one section of the profile blank can be produced from a solid profile blank (having a solid cross section) or a hollow profile blank (having a hollow cross section), in particular a single-chamber hollow profile or even a multi-chamber hollow profile. The flange can be formed, for example, by a single semifinished profile section extending substantially parallel to the cover shell or cover plane, which is in particular bent to conform to the contour of the flange. However, the flange can also be formed by a plurality of profile semifinished sections extending substantially parallel to the cover shell or cover plane, which each form a partial contour of the flange. Preferably, the (axial) section ends of adjacent profile semifinished sections are designed and arranged relative to one another in such a way that a (shielding) overlap or covering occurs. Preferably, all the profile sections of a flange are produced from the same profile section, wherein the profile sections forming a flange can also be produced from different profile sections.
The cover shell can be designed (on the inside) with at least one groove-like recess or the like (for example even a circumferential stepped joint) into which the at least one profile semifinished section is inserted or even pressed. Preferably, a groove-shaped recess is provided, which has a course corresponding to the flange contour. The trough-shaped recess can be produced, for example, by shaping (in particular when casting the cover shell) or by milling, stamping, etc. The fixing and shielding of the flange is improved by the trough-shaped recess.
The cover shell can be additionally reinforced inside the flange, i.e. in the area of the surface enclosed by the flange, by at least one profile semifinished section. This additional reinforcement is not an integral part of the flange. The reinforcement can be carried out with at least one semifinished profile section forming a flange contour having at least one profiled element for reinforcement and/or by at least one semifinished profile section provided specifically for this purpose. For this purpose, the cover shell can even be designed (on the inside) with at least one groove-like recess or the like (see above), into which the profile element or the profile semifinished section is inserted or even pressed. The additional reinforcement improves the stability, in particular for thin-walled and/or large-area cover shells. Furthermore, the tendency to vibrate is reduced and the acoustic properties are improved (additional reinforcement reduces the so-called drum effect (Trommeleffekt) in shell-shaped components, for example). The at least one profile element or profile semifinished section for reinforcement can be arranged congruent to at least one partition wall (e.g. an EMC partition wall) in the housing box and can in particular overlap such a partition wall.
The flange made of the at least one semifinished profile part or formed of the at least one semifinished profile part section can be fixed to the housing cover by welding, soldering, gluing, riveting and/or screwing. The soldering, bonding and/or welding can be carried out in spots or circumferentially. The adhesive used for bonding can simultaneously act as a sealing means.
The cover shell can be configured in particular as a single piece as a (metallic) sheet metal part, in particular as a sheet metal shaped part (for example, deep drawn part) or as a sheet metal stamped part (alternatively, it can also be configured as a laser-cut or water-jet-cut sheet metal part) or as a (metallic) cast part, in particular as a press-cast part. The cover plate or cover shell can be flat or spatially shaped, in particular curved.
Drawings
The invention is further elucidated below, by way of example and in a non-limiting manner, with reference to the accompanying drawings. The features shown in the schematic drawings and/or explained below can be, independently of the particular combination of features, a general feature of the invention and correspondingly improve the invention. The features of the embodiments and their variants shown in the figures and/or described below can even be combined within the scope of the invention to form further embodiments and variants.
Fig. 1 shows a first preferred embodiment of a shielding housing according to the invention in a sectional view.
Fig. 2 shows a possible variant design in a plan view of the cover plate of the shielding housing of fig. 1.
Fig. 3 shows a further possible variant in a plan view of the cover plate of the shielding housing of fig. 1.
Fig. 4 shows a second preferred embodiment of the shielding housing according to the invention in a sectional view similar to fig. 1.
Fig. 5 shows a possible variant design in a plan view of the cover plate of the shielding housing of fig. 4.
Fig. 6 shows a further possible variant in a plan view of the cover plate of the shielding housing of fig. 4.
Detailed Description
In the interior of the shielding housing 100 shown in fig. 1, an electrical or electronic motor vehicle component 200, for example an electronic drive device together with a control device, is arranged, which is protected and shielded by the metallic housing 100. The metallic shielding housing 100 has a metallic housing box or housing body 110, which is formed, for example, as a casting, and the metallic shielding housing 100 has a shell-shaped or shell-shaped cover 120 which closes the housing box 110. Possible cover plate fixing elements and cover plate sealing means are not shown.
The shell-shaped cover plate 120 is designed in multiple parts and has a metallic cover plate housing 121, which is designed, for example, as a sheet metal part or a cast part, and the shell-shaped cover plate 120 has a flange 123(EMC flange) fastened to the inner or bottom side of the cover plate housing 121, which flange overlaps the opening edge or housing edge 112 of the housing box 110 on the inside in a circumferential, in particular closed-circumferential manner. (the flange 123 can also overlap the edge 112 on the outside or engage in an overlapping manner in the housing groove.) the overlap or overlap is, for example, 5mm to 15mm (perpendicular to the cover plate plane), but can also be larger or smaller if desired (without any substantial restriction here). The flange 123 mainly serves to shield a gap between the housing case 110 and the cover plate 120 and thereby improve electromagnetic compatibility (EMC). The cover shell 121 may be configured to be flat (as shown) or even spatially contoured and have, for example, a camber. The profile shapes shown in fig. 2 and 3 are merely examples and are used to facilitate the explanation of the present invention.
According to the invention, the flange 123 is produced from one or more profile blanks and is then fastened to the cover plate housing 121 in a suitable manner, for example by welding, soldering, gluing, riveting and/or screwing. That is to say, at least one part or length section is separated from the corresponding profile blank and is additionally fastened to the cover shell 121 and then forms the flange 123 or at least one part of the flange 123. The profile blank is preferably a metal profile or an electrically conductive plastic profile (as described above).
In the variant embodiment shown in fig. 2, the flange 123 is formed by a single semifinished profile section 124 which extends perpendicularly to the cover shell 121 and is produced from a hollow semifinished profile which corresponds to the flange contour. The flange thickness corresponds to the wall thickness of the profile blank used and can be less than 1.0 mm. In the variant shown in fig. 3, the flange 123 is formed by two (or even more than two) profile blank sections 124a/124b, which extend perpendicularly to the cover shell 121 and each form a partial contour of the flange 123, so that the flange contour is formed by the corresponding profile contour of these profile blank sections 124a/124 b. The two profile semifinished sections 124a/124b are designed and arranged relative to one another at their contact or connection locations 126 in such a way that a shielding overlap is produced (two possible embodiments for such an overlap are schematically shown). The cover shell 121 can also be provided on the inside with at least one groove-shaped recess 122, into which at least one profiled semifinished section 124 or 124a/124b forming a flange is inserted or inserted in a form-fitting manner or even pressed (see fig. 1).
Fig. 3 also shows that the cover shell 121 is additionally reinforced in the area of the surface surrounded by the flange 123 by a semi-finished profile section 124a, wherein the semi-finished profile section 124a has (internal) additional profile elements 125 for reinforcement. The profile blank used (for the left-hand profile blank section 124a) is thus a multi-chamber hollow profile. The additional profile element 125 can even be formed by at least one profile semifinished section provided specifically for this purpose, which can be fastened to at least one profiled profile semifinished section 124a/124b by means of a plug-in connection element. Such plug connection elements can be formed by molding or by machining. At least one additional profile element 125 can be arranged congruent to a partition wall (not shown) in the housing box 110 or can overlap such a partition wall, in particular an EMC partition wall, in a shielding manner similar to the flange 123 (the shielding housing 100 then has shielding regions or shielding chambers which differ to some extent and can also shield one another).
The second embodiment of the shielding housing 100 shown in fig. 4 to 6 differs from the first embodiment shown in fig. 1 to 3 essentially in that at least one profiled semifinished section 124 forming a flange extends along the cover shell 121 and thus to some extent parallel to the cover shell 121 or the cover plane. At least one section of the profile blank can be produced from a solid profile blank (for example, shown on the right in fig. 4) or a hollow profile blank (for example, shown on the left in fig. 4). The flange thickness corresponds to the profile width of the profile blank used. Furthermore, the cover shell 121 can be formed with at least one groove-shaped recess (not shown) on the inside, as described above in connection with the first embodiment (see fig. 1).
In the embodiment shown in fig. 5, the flange 123 is formed by a single semifinished profile section 124 which is curved in accordance with the flange contour. The section ends 127 of the profile blank section 124 rest against one another without play in the joining position or can be provided with, for example, a stepped joint-shaped overlap (as shown in fig. 6) or the like, so that a shielding cover is formed at the end 127.
Fig. 6 shows a further variant with a plurality of profile semifinished sections, wherein the flange 123 is formed, for example, from two curved profile semifinished sections 124c/124d, each forming a partial contour of the flange 123. Preferably, the profile blank sections 124c/124d are made from the same profile blank. The section ends 127c/126d of the profile semifinished sections 124c/124d are designed and arranged relative to one another in such a way that, for example, a step-joint-shaped overlap is formed. Furthermore, a section blank section 128 made of the same section blank as the flange 123 (or of another section blank) is attached or fastened to the cover shell 121, which section blank section serves for stiffening and/or forming a partition wall, similar to the above description with respect to fig. 3.
List of reference numerals:
100 shield case
110 casing box
112 edge
120 cover plate
121 cover shell
122 concave part
123 flange
124 section bar semi-finished product section
125 section bar element (reinforce)
126 connection location
127 segment end
128 section bar semi-finished product section (reinforced)
200 vehicle assembly
Claims (10)
1. Metallic shielding housing (100) for an electrical or electronic vehicle component (200), having a housing box (110) and a shell-like cover plate (120) which closes the housing box (110), wherein the cover plate (120) has a circumferential flange (123) which overlaps an edge (112) of the housing box (110),
it is characterized in that the preparation method is characterized in that,
the cover plate (120) is designed in multiple parts and has a cover plate shell (121) and a flange (123) fastened thereto, wherein the flange (123) is formed by at least one profiled semifinished section (124).
2. The shielding housing (100) according to claim 1,
it is characterized in that the preparation method is characterized in that,
the flange (123) is formed by a single profile semifinished section (124) extending perpendicularly to the cover shell (121).
3. The shielding housing (100) according to claim 1,
it is characterized in that the preparation method is characterized in that,
the flange (123) is formed by a plurality of profile semifinished sections (124a, 124b) extending perpendicularly to the cover shell (121).
4. The shielding housing (100) according to claim 3,
it is characterized in that the preparation method is characterized in that,
at least two profiled semifinished sections (124a, 124b) are provided, each forming a partial contour of the flange (123), wherein the profiled semifinished sections (124a, 124b) are designed and arranged relative to one another in a contact or connecting position (126) such that an overlap is formed.
5. The shielding housing (100) according to claim 1,
it is characterized in that the preparation method is characterized in that,
the flange (123) is formed by at least one profiled semifinished section (124; 124c, 124d) extending parallel to the cover shell (121).
6. The shielding housing (100) according to claim 5,
it is characterized in that the preparation method is characterized in that,
the section blank sections (124; 124c, 124d) are produced from hollow section blanks.
7. Shielding housing (100) according to one of the preceding claims,
it is characterized in that the preparation method is characterized in that,
the cover shell (121) is designed with at least one groove-like recess (122), into which recess (122) the at least one profile semifinished section (124; 124a, 124 b; 124c, 124d) is inserted.
8. Shielding housing (100) according to one of the preceding claims,
it is characterized in that the preparation method is characterized in that,
the cover shell (121) is additionally reinforced within the flange (123) by at least one profile semifinished section (124a, 128).
9. Shielding housing (100) according to one of the preceding claims,
it is characterized in that the preparation method is characterized in that,
a flange (123) formed by at least one profiled semifinished section (124; 124a, 124 b; 124c, 124d) is fixed to the housing cover (121) by welding, soldering, gluing, riveting and/or screwing.
10. Shielding housing (100) according to one of the preceding claims,
it is characterized in that the preparation method is characterized in that,
the cover shell (121) is designed as a sheet metal part or a cast part.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102019214154.4A DE102019214154A1 (en) | 2019-09-17 | 2019-09-17 | Shielding housing for an electrical or electronic vehicle component |
| DE102019214154.4 | 2019-09-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112601441A true CN112601441A (en) | 2021-04-02 |
Family
ID=74686501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010971680.7A Pending CN112601441A (en) | 2019-09-17 | 2020-09-16 | Shielding housing for an electrical or electronic vehicle component |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN112601441A (en) |
| DE (1) | DE102019214154A1 (en) |
Citations (12)
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| US5095177A (en) * | 1989-09-28 | 1992-03-10 | Technophone Limited | Rf sealed radio housing |
| JP2001345569A (en) * | 2000-06-02 | 2001-12-14 | Chubu Electric Power Co Inc | Storage structure of control equipment for high- pressure switch |
| JP2003147888A (en) * | 2001-11-14 | 2003-05-21 | Kokuyo Co Ltd | Panel mounting structure |
| CN1591525A (en) * | 2003-09-01 | 2005-03-09 | 三星Sdi株式会社 | Display apparatus design having improved heat dissipation capabilities |
| CN102215653A (en) * | 2010-04-06 | 2011-10-12 | 铂邑科技股份有限公司 | Thin plastic shell with plastic binder and manufacturing method thereof |
| CN103167764A (en) * | 2013-03-06 | 2013-06-19 | 成卓 | Display screen unit box body provided with sealed shutters |
| CN204378505U (en) * | 2015-01-19 | 2015-06-10 | 佛山市时尚厨卫科技有限公司 | There is the metallic plate of reinforcement and use the cabinet of this metallic plate |
| CN104828398A (en) * | 2015-05-19 | 2015-08-12 | 深圳市华星光电技术有限公司 | LCD panel packaging box |
| CN105338771A (en) * | 2015-11-24 | 2016-02-17 | 小米科技有限责任公司 | Electronic equipment and shell structure thereof |
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Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2510404Y2 (en) * | 1990-11-29 | 1996-09-11 | 北川工業株式会社 | Electromagnetic shield gasket |
| DE19649516A1 (en) * | 1996-11-29 | 1998-06-04 | Bosch Gmbh Robert | Electrically conductive housing for an electrical device |
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2019
- 2019-09-17 DE DE102019214154.4A patent/DE102019214154A1/en active Pending
-
2020
- 2020-09-16 CN CN202010971680.7A patent/CN112601441A/en active Pending
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Also Published As
| Publication number | Publication date |
|---|---|
| DE102019214154A1 (en) | 2021-03-18 |
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