EP3658818A1 - Heat sink and vehicle headlight - Google Patents
Heat sink and vehicle headlightInfo
- Publication number
- EP3658818A1 EP3658818A1 EP18748851.5A EP18748851A EP3658818A1 EP 3658818 A1 EP3658818 A1 EP 3658818A1 EP 18748851 A EP18748851 A EP 18748851A EP 3658818 A1 EP3658818 A1 EP 3658818A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- function
- heat sink
- basic
- overlay
- contour
- 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.)
- Withdrawn
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
- F21S45/40—Cooling of lighting devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
- F21S45/40—Cooling of lighting devices
- F21S45/47—Passive cooling, e.g. using fins, thermal conductive elements or openings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
- F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
- F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
- F21V29/78—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with helically or spirally arranged fins or blades
Definitions
- the invention relates to a cooling body for cooling an electronic component of a vehicle headlight, wherein the cooling body has a cooling structure with an outer contour which, viewed along an imaginary sectional plane, follows a contour curve which can be described in at least one section by a contour function.
- Heat sink used which are connected to the heat source to increase the heat-emitting surface of a heat-generating component. This is intended to prevent possible damage due to overheating.
- the heat transfer from a heat source to the surrounding cooling medium depends primarily on the temperature difference, the effective surface and the flow velocity of the cooling medium.
- a heat sink has the task of dissipating heat by heat conduction from
- the heat sink should consist of good heat-conducting material, have a dark and the largest possible surface. A vertical installation can support the air circulation through the chimney effect.
- Vehicle headlights other aspects come into play, such as the installation volume, the installed weight, the manufacturing process or the material.
- a heat sink in that a basic profile is formed from a first superimposition of a basic function and a basic function, and from one second superposition of the basic course and a superposition function, the contour function is formed, wherein the first superposition takes place by the function of the base function is an axis of a curvilinear, preferably orthogonal coordinate system
- Basic function forms, and the second superposition takes place by the function of the basic function of an axis of a curvilinear, preferably orthogonal
- Coordinate system forms the overlay function, wherein the base function has a rectilinear, circular or circular arc-like course, and the basic function has a rectilinear or wavy course, and the overlay function has a wave-shaped course.
- a wave-shaped course means a course which can be described by a function which corresponds, for example, to a sine function, a triangular function, a sawtooth function or a periodically running semicircular function.
- Other periodic functions are possible, especially those corresponding to the amount of a periodic function. Consequently, according to the aforementioned examples, an amount of sine function is also possible.
- a heat sink with the same thermal efficiency by a larger surface for heat radiation and better convection properties have a smaller volume or a lower weight, which is particularly advantageous for heat sink of a vehicle headlamp.
- the achieved thermal efficiency can contribute to a favorable design of a heat sink.
- Overlay function can be described via a curvilinear coordinate system.
- Curvilinear coordinates are coordinate systems in the Euclidean space in which the
- Coordinate lines can be curved and which are diffeomorphic to Cartesian coordinates.
- the coordinate axes are defined as tangents to coordinate lines. Because the
- Coordinate lines are generally curved, the coordinate axes are not spatially fixed, as it applies to Cartesian coordinates.
- the effect of the invention can be enhanced if the heat sink has a base on which at least two ribs or at least two pins are arranged, which are oriented substantially parallel to one another. This creates a chimney effect between two opposite surfaces of two cooling fins or cooling pins, which additionally improves the convection of the cooling medium together with the surface design according to the invention.
- the parallel arrangement also has advantages in manufacturing.
- two geometric centerlines of two adjacent cooling fins which extend in the direction of the longitudinal extension of the cooling fin and preferably transversely to the base, an angle to each other, which is smaller than 10 °, preferably less than 5 ° and more preferably less than 1 °.
- a parallel arrangement of cooling pins corresponds to a matrix-shaped arrangement. It is also beneficial if the contour function at least parts of two
- opposite sides of the outer contour of at least a portion of the heat sink that is, for example, a rib or a pin, describes, wherein the sides have a distance to each other and the overlay function has a periodic course with a superposition period length, wherein the overlay period length preferably at most half as long, particularly preferably at most one third as long as the distance is. This can be achieved that the convection flow of the cooling medium is further enhanced.
- the thermal efficiency is particularly good when the cooling fins are formed according to a linear basis function, a linear basic function and a sinusoidal superposition function, wherein preferably the
- the inventors have observed a further improvement in the thermal efficiency when the cooling fins are formed according to a linear basis function, a linear basic function and a triangular superposition function, wherein preferably the superposition period length is at most one third as long as the distance.
- the inventors have observed an additional improvement in the thermal efficiency when the cooling fins are formed according to a linear basis function, a wavelike basic function and a triangular superposition function, wherein preferably the superposition period length is at most one third as long as the distance.
- the shape of the surface of the heat sink is meant by the outer contour of the heat sink.
- the basic, basic and / or overlay function for example in the case of a wave-shaped or triangular course, extend horizontally to the base of the respective heat sink, as shown for example in the figures.
- a triangular function for example a triangular overlay function
- the corners of a triangular function may also be substantially rounded. It is particularly favorable if the ribs or pins have a spacing between opposite parts of the outer contour, and the overlay function has a periodic progression with an overlapping period length, wherein the
- Superposition period length preferably at most half as long, more preferably at most one third as long as the distance.
- the basic function has a periodic course with a basic period length and the overlay function has a periodic course with a superposition period length, wherein the
- Basic period length at least preferably five times as long, more preferably ten times as long as the overlay period length.
- a favorable embodiment of the invention comprises a vehicle headlight which comprises a lighting means and / or power electronics, a heat sink according to the invention, and an optical system.
- the light source and / or the power electronics is / are coupled to the heat sink. It can thereby be achieved that a vehicle headlight is created, which has particular advantages in terms of installation volume, installation weight, manufacturing process and costs for design, manufacture and assembly.
- the invention and its advantages are described in more detail below by means of non-limiting exemplary embodiments, which are described in the accompanying drawings
- Fig. 1 is a perspective view of a heat sink according to the prior art with
- FIG. 1a shows the heat sink according to FIG. 1 in a front view
- FIG. 1b shows a section of the heat sink in a horizontal sectional plane A-A according to FIG.
- Fig. 2 is a perspective view of a heat sink according to the prior art with
- FIG. 2a shows the heat sink according to Fig. 2 in a front view
- FIG. 2b shows a section of the heat sink in a horizontal sectional plane B-B of Fig. 2a
- Fig. 3 is a perspective view of a first embodiment of a
- heat sink according to the invention with ribs and corrugated surface
- FIG. 3a shows the heat sink according to Fig. 3 in a front view
- FIG. 3b shows a detail of the heat sink in a horizontal sectional plane C-C of Fig. 3a
- FIG. 3c a section of a second embodiment of a heat sink according to the invention in a horizontal sectional plane according to FIG. 3a, FIG.
- FIG. 4 is a perspective view of a third embodiment of a
- heat sink according to the invention with ribs and corrugated surface
- FIG. 4a shows the heat sink according to Fig. 4 in a front view
- FIG. 4b shows a detail of the heat sink in a horizontal sectional plane D-D according to FIG. 4a, FIG.
- Fig. 4c shows a detail of a fourth embodiment of the heat sink in a
- Fig. 4d shows a detail of a fifth embodiment of the heat sink in a
- Fig. 4e a basic function and a superposition function of the heat sink after
- FIG. 4f shows a basic function and a superposition function of the heat sink according to FIG. 4d
- FIG. Fig. 5 is a perspective view of a heat sink according to the prior art with
- Fig. 5b shows a section of the heat sink in a horizontal sectional plane E-E after
- FIG. 6 is a perspective view of a sixth embodiment of a
- FIG. 6a the heat sink of FIG. 6 in a front view
- Fig. 6b shows a section of the heat sink in a horizontal sectional plane F-F
- Fig. 7 is a vehicle headlamp shown symbolically, the one
- Heat sink according to the invention comprises.
- a headlamp contains many other, not shown parts that allow a meaningful use in a motor vehicle, in particular a car, motorcycle or truck.
- a headlamp contains many other, not shown parts that allow a meaningful use in a motor vehicle, in particular a car, motorcycle or truck.
- electronics, other optical elements, mechanical adjusting devices or brackets are not shown.
- the shape of the surface of the heat sink is meant by an outer contour of a heat sink.
- a heat sink is made of a metal, such as aluminum, which is formed by a forming process, such as aluminum. Extrusion molding, a casting process such as pressure or injection molding or a CNC milling process is formed. Alternatively, a production by a 3D metal printing method is conceivable.
- the power loss of an electronic component leads to heat. This must be dissipated to a functional impairment and eventual
- Heat sinks that are in thermal contact with this heat source improve the dissipation of heat.
- Heat sink Cooling fins to increase the surface of the heat sink and improve its efficiency.
- Konvezzysströmung on the surface of the heat sink it is advantageous if the heat sink with cooling fins in an installed position, for example in a vehicle headlight, is arranged so that cooling fins are oriented vertically.
- FIG. 1 shows a heat sink 200 with ribs 201 and a base 203 according to the prior art.
- the heat sink 200 is shown in a side view.
- 1 b shows a cutout or a cooling fin 201 of the cooling body 200 in a sectional view according to the horizontal sectional plane AA of FIG. 1 a, wherein a smooth outer contour of the surface and the thickness or the distance 205 of the opposite outer surfaces of the rib 201 of the cooling body 200 can be seen is.
- FIG. 2 shows a heat sink 210 with ribs 211 and a base 213 according to the prior art.
- the heat sink 210 is shown in a side view.
- 2b shows a section, or a cooling rib 211 of the heat sink 210 in a sectional view according to the horizontal sectional plane BB of FIG. 2a, wherein a wavy outer contour of the surface and the thickness or the distance 215 of the opposite outer surfaces of the rib 211 of the heat sink 210 can be seen is.
- FIG. 3 shows a heat sink 100 according to the invention with ribs 101 and a base 103.
- FIG. 3 a shows the heat sink 100 in a side view.
- 3b shows a section, or a cooling fin 101 of the heat sink 100 in a sectional view according to the horizontal sectional plane CC of FIG. 3a, wherein a triangular outer contour of the surface of the heat sink 100 can be seen, wherein the outer contour of a superposition of a linear basic function, a rectilinear basic function and a triangular superposition function, wherein the triangular function has rounded corners, as seen in the figure.
- the heat sink 100 is for cooling an electronic component of a
- Heat sink 100 is a sectional curve which describes the outer contour of the heat sink 100.
- the cooling body 100 has a cooling structure with an outer contour, which, viewed along an imaginary sectional plane, follows a contour curve that is in at least one
- Section is described by a contour function.
- the contour function is formed from a second overlay of the basic curve and an overlay function.
- the first superimposition takes place in that the function course of the basis function forms an axis of a curvilinear, here orthogonal coordinate system of the basic function.
- the second superposition takes place in that the function course of the basic function forms an axis of a curvilinear, here orthogonal coordinate system of the superimposition function.
- the basic function has a rectilinear, circular or circular arc-like course.
- the basic function has a rectilinear or wavy course.
- the overlay function has a wave-shaped course.
- a course is meant, which by a sine function, the amount of a sine function, a triangular function, a
- Sawtooth function or by a periodic semicircle function can be described.
- Other periodic functions are possible, especially those corresponding to the amount of a periodic function.
- Embodiments of the basis functions 300, 301, 302, 303, the basic functions 310, 311, 312, 313 and the overlay functions 330, 331 332, 333 as well as the resulting contour functions 350, 351, 352, 353 are illustrated in FIGS. 4e and 4f. It should be noted, however, that the contour functions 350, 351, 352, 353 shown serve only for basic illustration and not the mathematically exact implementation of the
- the heat sink 100 shown in FIG. 3 has a base 103, on which at least two ribs 101 are arranged, which are oriented substantially parallel to one another.
- the Base 103 serves for contacting a heat source, which is to be cooled by means of the heat sink 100.
- Fig. 3 are two geometric center lines 106, 107 of two adjacent cooling fins 101, which extend in a horizontal plane, for example in the sectional plane CC of Fig. 3a, in the direction of the longitudinal extension of the cooling fin shown having a horizontal angle 108, 109 relative to the horizontal centerline 106, 107, which is less than 10 °, preferably less than 5 °, and more preferably less than 1 °.
- the center line 106 and in Fig. 3c the center line 116 is indicated.
- the parallel arrangement of the cooling fins 101 of the heat sink 100 may result from a forming process such as extrusion or a casting process such as die casting.
- a forming process such as extrusion or a casting process such as die casting.
- the surfaces of the ribs run parallel to each other (each with a same angle 108, 109 of 0 °) or at a small angle 108, 109 (less than 10 °) of the ribs, as this also a convective flow ascending warm air is improved.
- the ribs 101 starting from the side at which they are connected to each other via the base 103, taper along the elevation of the ribs 101 to the open end 104 in its cross-section.
- the contour function 350 describes two opposite sides of the outer contour of a cooling rib of the heat sink 100, the sides being at a distance 105 from one another.
- the overlay function has a periodic history with a
- Overlay period length wherein the overlay period length preferably at most half as long, more preferably at most one third as long as the
- the distance 105 is for example by a
- Minimum distance 105min a maximum distance 105max or a mean distance formed.
- Fig. 3c shows a second embodiment of the invention in the form of a heat sink 110 with a cooling fin 111 in a horizontal sectional plane (not shown), that of the Sectional sectional CC corresponding to FIG. 3a, wherein a triangular outer contour of the surface of the cooling fin 111 of the heat sink 110 can be seen, and wherein the
- Heat sink 110 are out of phase with respect to those of FIG. 3b. Here are the maxima of the superposition function of the heat sink 110 in phase, while the
- Maxima of the heat sink 100 are arranged in opposite directions. In addition, the distance 115 of the opposite outer surfaces of the ribs 111 can be seen.
- the superimpositions of the basic, basic and overlay functions are the same or similar to the example from FIG. 3b.
- FIG. 4 shows a third example in the form of a heat sink 120 with ribs 121, their open ends 124 and a base 123.
- the heat sink 120 is shown in a side view.
- Fig. 4b shows a section of the heat sink 120 in a sectional view according to the horizontal sectional plane D-D of Fig. 4a, wherein a corrugated outer contour of
- a shape of the cut curve can be seen, which is at least partially formed from a superposition of a substantially rectilinear or substantially circular basis function and a linear, a wavy or a triangular basic function and a wavy or the amount of a wavelike overlay function ,
- the superimposition is defined by the function of the base function at least in sections an axis of a curvilinear, preferably orthogonal
- Basic function at least partially forms an axis of a curvilinear, preferably orthogonal coordinate system of the overlay function.
- the heat sink 100 is formed from at least two ribs 101 which are arranged substantially parallel to one another and are connected to one another at a pin side via a base 103.
- the ribs 121 starting from the side where they are connected to each other via the base 123, taper along the elevation of the ribs 121 to the open end 124 toward in its cross section.
- the ribs 121 between opposite parts of the outer contour have a distance 125.
- the overlay function has a periodic profile with a superposition period length, wherein the overlay period length preferably at most half as long, more preferably at most one third as long as the
- the distance 125 is formed for example by a minimum distance, a maximum distance or an average distance.
- Fig. 4c shows a fourth example in the form of a heat sink 130 with fins 131, a distance 360 and a base constructed analogously to the previous embodiments.
- the sectional view shown corresponds to a sectional plane which is located corresponding to that of the sectional plane D-D of FIG. 4a. Details of the surface design of the heat sink 130 in connection with a basic function 310 are shown in FIGS.
- a shape of the cut curve can be seen, at least partially from a superposition of a
- Overlay function 330 and 331 is formed.
- the superimposition is defined in that the function course of the basic function 300 and 301 at least partially forms an axis of a curvilinear, preferably orthogonal coordinate system of the basic function 310 and 311, and the function course of the basic function 310 and 311 at least in sections an axis of a curvilinear, preferably orthogonal coordinate system of the superposition function 330 and 331 forms.
- the axis of the coordinate system of the base function 300 and 301 is straight, and the coordinate system of the base function 300 and 301 is orthogonal in origin.
- the axis of the coordinate system of the basic function 310 and 311 is rectilinear, and the coordinate system of the basic function 310 and 311 is orthogonal in origin.
- the basic functions 300 and 301 have a distance 360.
- the basic function 310 and 311 has a periodic course with a
- the overlay function 330 and 331 has a periodic history with a
- the basic period length 320 and 321 is at least preferably five times as long, more preferably ten times as long, as the overlay period length 340 and 341.
- the distance 360 is formed for example by a minimum distance, a maximum distance or an average distance.
- Fig. 4d shows a fifth example in the form of a heat sink 140 with ribs 141 and a base, which is constructed analogously to the previous embodiments.
- the sectional view shown corresponds to a sectional plane which is located corresponding to that of the sectional plane D-D of FIG. 4a. Details of the surface design of the heat sink 140 in
- a shape of the cut curve can be seen, which at least partially from a superposition of a
- Overlay function 332 and 333 is formed.
- the overlay is defined by the function of the base function 302 and 303 at least partially forms an axis of a curvilinear, preferably orthogonal coordinate system of the basic function 312 and 313, and the function of the function 312 and 313 at least partially an axis of a curvilinear, preferably orthogonal coordinate system of the overlay function 332 and 333 forms.
- the axis of the coordinate system of the base function 302 and 303 is straight, and the coordinate system of the base function 302 and 303 is orthogonal in origin.
- the axis of the coordinate system of the primitive functions 312 and 313 is rectilinear and the coordinate system of the primitive functions 312 and 313 is orthogonal in origin.
- the base functions 302 and 303 have a distance 361.
- the basic function 312 and 313 has a periodic history with a
- the overlay function 332 and 333 has a periodic history with a
- the basic period length 322 and 323 is at least preferably five times as long, more preferably ten times as long as the overlay period length 342 and 343.
- the distance 361 is formed for example by a minimum distance, a maximum distance or an average distance.
- Overlay function 332 and 333 are different in shape.
- FIG. 5 shows a heat sink 220 with pins 222, their open ends 224, and a base 223 of the prior art.
- the heat sink 220 is in one
- Fig. 5b shows a section of the heat sink 220 in one
- Fig. 6 shows a heat sink 150 according to the invention with pins 152 whose open
- FIG. 6a the heat sink 150 is shown in a side view.
- 6b shows a section of the heat sink 150 in a sectional view according to the horizontal sectional plane F-F of FIG. 6a, wherein a wavy or triangular
- the pins 152 starting from the side at which they are connected to each other via the base 153, taper along the elevation of the pins 152 to the open end 154 in its cross-section.
- the pins 152 have between opposite parts of their outer contour one
- the distance 155 is formed, for example, by a minimum distance, a maximum distance or an average distance.
- a vehicle headlight 10 is shown symbolically, which includes a light source 11, a power electronics 12, heat sink 100 and an optic 13.
- the light-emitting means 11 is formed for example from one or more LEDs or laser diodes.
- the power electronics 12 includes, for example driver transistors for LEDs as the light source 11th
- the lighting means 11 and the power electronics 12 are preferably via a
- Contact element 14 for example, a mica disk or a mass of thermal paste, which improves the thermal resistance and thereby ensures a good thermal coupling of the heat source to the heat sink, connected to a heat sink 100 according to the invention.
- the optical system 13 may comprise one or more optical elements, for example in the form of lenses, diaphragms or transparent covers.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ATA50631/2017A AT520072B1 (en) | 2017-07-28 | 2017-07-28 | Heat sink and vehicle headlights |
PCT/AT2018/060150 WO2019018867A1 (en) | 2017-07-28 | 2018-07-16 | Heat sink and vehicle headlight |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3658818A1 true EP3658818A1 (en) | 2020-06-03 |
Family
ID=63077655
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18748851.5A Withdrawn EP3658818A1 (en) | 2017-07-28 | 2018-07-16 | Heat sink and vehicle headlight |
Country Status (8)
Country | Link |
---|---|
US (1) | US11085606B2 (en) |
EP (1) | EP3658818A1 (en) |
JP (2) | JP2020529132A (en) |
KR (2) | KR20210002650U (en) |
CN (1) | CN110914590A (en) |
AT (1) | AT520072B1 (en) |
DE (1) | DE202018006809U1 (en) |
WO (1) | WO2019018867A1 (en) |
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FR3137743A1 (en) * | 2022-07-11 | 2024-01-12 | Valeo Vision | Heat sink of light module for automobile vehicle and light module for automobile vehicle |
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CN204901701U (en) * | 2015-04-13 | 2015-12-23 | 杭州迪迪照明电子有限公司 | LED lamp wave heat radiation structure |
KR20180114568A (en) * | 2017-04-10 | 2018-10-19 | 현대자동차주식회사 | Egr cooler |
US20180340682A1 (en) * | 2017-05-24 | 2018-11-29 | Osram Sylvania Inc. | Lighting device modules |
-
2017
- 2017-07-28 AT ATA50631/2017A patent/AT520072B1/en active
-
2018
- 2018-07-16 KR KR2020217000075U patent/KR20210002650U/en not_active Application Discontinuation
- 2018-07-16 US US16/630,914 patent/US11085606B2/en active Active
- 2018-07-16 WO PCT/AT2018/060150 patent/WO2019018867A1/en active Application Filing
- 2018-07-16 KR KR1020207001637A patent/KR20200020840A/en not_active Application Discontinuation
- 2018-07-16 JP JP2020504230A patent/JP2020529132A/en active Pending
- 2018-07-16 CN CN201880050492.1A patent/CN110914590A/en active Pending
- 2018-07-16 DE DE202018006809.8U patent/DE202018006809U1/en active Active
- 2018-07-16 EP EP18748851.5A patent/EP3658818A1/en not_active Withdrawn
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2022
- 2022-01-13 JP JP2022000078U patent/JP3236726U/en active Active
Also Published As
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WO2019018867A1 (en) | 2019-01-31 |
AT520072A4 (en) | 2019-01-15 |
CN110914590A (en) | 2020-03-24 |
US11085606B2 (en) | 2021-08-10 |
DE202018006809U1 (en) | 2023-02-01 |
KR20200020840A (en) | 2020-02-26 |
KR20210002650U (en) | 2021-12-01 |
AT520072B1 (en) | 2019-01-15 |
US20200232621A1 (en) | 2020-07-23 |
JP2020529132A (en) | 2020-10-01 |
JP3236726U (en) | 2022-03-11 |
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