WO2009089857A1 - Fan having a sensor - Google Patents

Fan having a sensor Download PDF

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Publication number
WO2009089857A1
WO2009089857A1 PCT/EP2008/009232 EP2008009232W WO2009089857A1 WO 2009089857 A1 WO2009089857 A1 WO 2009089857A1 EP 2008009232 W EP2008009232 W EP 2008009232W WO 2009089857 A1 WO2009089857 A1 WO 2009089857A1
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WO
WIPO (PCT)
Prior art keywords
fan
sensor
air
circuit board
terminal
Prior art date
Application number
PCT/EP2008/009232
Other languages
German (de)
French (fr)
Inventor
Rodica Peia
Original Assignee
Ebm-Papst St. Georgen Gmbh & Co Kg
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
Priority to DE202008000002.5 priority Critical
Priority to DE202008000002 priority
Application filed by Ebm-Papst St. Georgen Gmbh & Co Kg filed Critical Ebm-Papst St. Georgen Gmbh & Co Kg
Publication of WO2009089857A1 publication Critical patent/WO2009089857A1/en

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00Pumping installations or systems
    • F04D25/02Units comprising pumps and their driving means
    • F04D25/06Units comprising pumps and their driving means the pump being electrically driven
    • F04D25/0606Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00Pumping installations or systems
    • F04D25/02Units comprising pumps and their driving means
    • F04D25/06Units comprising pumps and their driving means the pump being electrically driven
    • F04D25/0606Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump
    • F04D25/0666Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump a sensor is integrated into the pump/motor design
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D27/00Control, e.g. regulation, of pumps, pumping installations or systems
    • F04D27/001Testing thereof; Determination or simulation of flow characteristics; Stall or surge detection, e.g. condition monitoring

Abstract

A radial fan comprises a fan housing (2) with an air outlet opening (22', 24', 26', 28') and a carrier (12) provided in the fan housing (2), a fan wheel (11) having fan blades (21) being rotatably arranged on said carrier for creating an air flow (99). A plurality of connecting pins (16) is arranged on the carrier (12) for electrically connecting a drive motor (10). The fan further comprises a circuit board (70) arranged in the fan housing (2), said circuit board having an opening (75) for the passage of the air flow (99). Said circuit board is provided with openings (77) for the connecting pins (16). The fan comprises a first and a second carrier element (73) with a first and second electrical connection (73'). The carrier elements extend with the free ends (72', 73') thereof into the air passage opening (75) such that the free ends (72', 73') thereof are spaced from each other. The fan also has a sensor (71) for detecting a parameter of the air flow (99) generated during operation. The sensor (71) comprises a first and a second sensor connection (71'), with a first and a second electrical connection (73'), so that the air flow (99) flows around the sensor (71).

Description

Fan with a sensor

The invention relates to a fan with a sensor, and more particularly to a fan having a sensor for detecting a parameter of the motion of the fan air.

Such a fan, also referred to as a sensor fan, usually contain an electronically kom mutated motor whose rotor drives a fan wheel. The latter sucks for generating an air stream of air through an air passage opening at, in the region of one or more sensors are arranged, at which a current air temperature is measured, for example an NTC resistor, or sensors for humidity, quality, radioactivity, etc. of the air. Via relevant sensor data, the air conditioning of a motor vehicle can be controlled, for example.

Since sensor fans are usually designed as a mini-fan, they are usually very small, so it is difficult and associated with considerable costs to mount the sensors. In addition, an electrical connection must be made to a port of the fan from the mounting location of the sensor, which causes additional costs.

It is therefore an object of the invention to provide a new fan with a sensor ready.

This object is according to the invention by a cooling fan according to claim 1. By the use of the spaced support elements one achieves a simple and easy installation of the sensor in the fan, whereby the sensor flows around the moved by the fan air and thus an improved detection of a corresponding air parameter is enabled.

Preferred developments of the fan according to the invention are the subject of the dependent claims.

Further details and advantageous refinements of the invention emerge from the following described and illustrated in the drawings in no way limit the invention to be understood embodiments. It shows:

Fig. 1 is a perspective view of a fan having a fan housing according to a first embodiment,

Fig. 2 is a side view of a first side of the fan of Fig. 1, Fig. 3 is a side view of a second side of the fan of Fig. 1, Fig. 4 is a side view of a third side of the fan of Fig. 1, Fig. 5 is a side view a fourth side of the fan of FIG. 1, FIG. 6 is a plan view of the underside of the fan of FIG. 1 without fan housing, FIG. 7 is a sectional view of the fan of FIG. 1 without fan housing, FIG. 8 is a perspective view of the fan of Fig. 1 without fan housing, FIG. 9 is a perspective view of the printed circuit board of the fan of Fig. 8, Fig. 10 is a plan view of the back of the circuit board of Fig. 8, Fig. 11 is a plan view of the front of the circuit board of FIG. 8 , Fig. 12 is a plan view of the fan of FIG. 1 with the fan housing, FIG. 13 is a perspective view of the fan of FIG. 1 having a fan housing according to a second embodiment, FIG. 14 is a perspective view of the fan s of FIG. 1 having a fan housing according to a third embodiment, FIG. 15 is a perspective view of the fan of FIG. 1 having a fan housing according to a fourth embodiment, FIG. 16 is a perspective view of the fan of FIG. 1 having a fan housing according to a fifth embodiment, FIG. 17 is a perspective view of the fan of FIG. 1 having a fan housing according to a sixth embodiment, Fig. 18 is a line drawing of the illustration of Fig. 8,

Fig. 19 is a line drawing of the illustration of Fig. 9,

Fig. 20 is a stitch drawing of the illustration of Fig. 11, and

Fig. 21 is a line drawing of the illustration of Fig. 12 ..

In the following description, the terms refer to the left, right, front, rear, top and bottom of each drawing figure and may vary depending on a particular orientation (portrait or landscape) of a figure to the next. The same or equivalent parts are indicated in the various figures the same reference characters and usually only once.

Fig. 1 shows a fan 1 having a fan housing 2 in a perspective view. The fan housing 2 is box-shaped and has formed a bottom wall shown in Fig. 1 above 197 with attached thereto side walls 22, 24, 26, 28. The wall 197 and the side walls 22, 24, 26, 28 are, for example, as a one-piece plastic molding in which the side walls 22, 24, 26, are molded on the wall 197 28th

In the wall 197 through holes 172, 174, 176, 178 are provided, which form locking elements. At these latching members 182, 184, 186, 188 are maintained, which are provided on fasteners 15 °. In Fig. 1, the fastening means are exemplified as a slotted snap-bolt 15 ', 15 ", 15' 'or 15 IV 15. Whose function is described below in FIGS. 6 and 7.

The wall 197 has a dome-shaped cap 197 'with an opening 196 (FIG. 1) through which a - is connectable connector for electrical contacting of the fan 1 on contact-making pins 78 - not shown. In Fig. 1, four pins 78 ', 78 ", 78' 'and 78 IV are shown, the fan 1 for example, the pins 78' and 78 '' for supplying an operating voltage and the pins 78 'and 78 IV for tapping a tacho signal having. The connector plug can be kept at the fan housing 2 by means of a holder, such as a clip 39. The problems associated with the wall 197 the side walls 22, 24, 26, 28 have, at their free lower ends in each case at least one recess 29 into which locking tabs 30 engage a cover plate 195 to secure it to the fan housing. 2 In Fig. 1, for example, two recesses 29 'and 29 "at the lower end 2' of the front side wall 22 and two recesses 29 '' and 29 IV visible at the lower end 2" of the right side wall 24, in which the locking tongues 30 ', 30 engage ", 30 '" or 3O IV.

The cover plate 195 has a serving as an axial air inlet opening recess 199. In the side walls 22, 24, 26, 28 are provided one or more, serving as air outlet openings recesses. These have an oval shape according to a first embodiment, but can also have other shapes, as in FIGS. 13 to 17 described. In Fig. 1, the front side wall 22, for example an oval air outlet opening 22 'and the right side wall 24 has an oval air outlet opening 24'.

In operation of the fan 1 of this transported with fan blades 21 which are provided at a fan 11, air (Fig. 7). This is sucked through the air inlet opening 199 in the fan housing 2 and moves with the fan blades 21, to flow out through the air outlet openings 22 'and 24' back out of the housing. 2 The fan 1 is thus preferably a radial fan, as described below in FIGS. 7 and 8 in detail. However, it is noted that the invention is not limited to the use of certain types of fans such as centrifugal fans. Rather, other types of fans, as found, for example diagonal fan or axial fan application.

Fig. 2 shows a plan view of the right side wall 24 of the fan housing 2 of Fig. 1. Fig. 2 shows the provided on the wall 197 of articles 197 'and shows a further, at the lower end 2 "of the right side wall 24 formed recess 29 IX in which an opening provided to the cover plate 195 locking tongue 3O IX, engages.

Fig. 3 shows a plan view of the left side wall 28 of the fan housing 2. Fig. 3 shows the lower end 2 of IV of the left side wall 28 formed recesses 29 V "and 29 VI", in which provided on the cover plate 195 locking tabs 30 v or " engage. 3O VI ". Moreover, Fig. 3 shows an example provided in the left side wall 28, oval air outlet opening 28 '.

Fig. 4 shows a plan view of the front side wall 22. Fig. 4 illustrates the locking members held on the latching elements 172 and 174, 182 and 184 as well as the contact-pins 78 ', 78 ", 78' 'and 78 IV, which at one circuit board are fixed 70 which is described below in Figs. 5, 7 and 9 to 11 in detail.

Fig. 5 shows a plan view of the rear side wall 26 of the fan housing 2. Fig. 5 shows the lower end 2 '' of the rear side wall 26 formed recesses 29 V and 29 VI, in which provided on the cover plate 195 locking tabs 30 v or 3O engage VI. in addition, Fig. 5 shows an opening provided in the rear side wall 26, oval air outlet opening 26 '.

As seen from Fig. 5, the circuit board 70 of the fan 1 in the area between the side wall 7 and 8 is 26, and the impeller 11, as described below in FIGS. Described. The circuit board 70 has an air passage opening 75 whose dimensions substantially 'correspond, so that a current generated by the fan blades 21 of the fan 11 air flow initially through the air passage opening 75 and then through the air outlet opening 26' the dimensions of the air outlet opening 26 can exit from the fan housing. 2

a first support member 72 having a first electrical connection 72 '(conductor) and a second support member 73 with a second electrical connector 73' (conductor) are provided on the circuit board 70, which extend preferably rectilinearly into the air passage opening 75 and are spaced apart. The support member 72 has a free end 72 'and the support member 73 has a free end 73' which face each other. The electrical connection 72 'of the support member 72 is provided with a first sensor port 71' connected to a sensor 71 for detecting a parameter of the air flowing through the air passage opening 75 air. A second sensor port 71 "of the sensor 71 'is connected to the carrier element 73rd Here, the electrical connections 72' to the electrical terminal 73 and 73 'preferably are mechanically and electrically connected to the sensor terminals 7V and 71" connected to the sensor 71 is a straight line extending between the electrical terminals 72 'and 73' and the air flowing through the air passage port 75 air can flow around the sensor 71st In particular, the sensor 71 may be a SMD-sensor, which is fixed in SM D-construction on the support elements 72, 73 (SMD = Surface Mounted Device).

In a preferred embodiment the moving of the fan 1, air can freely the sensor 71, that is, on all sides, flow around. In this way, the detection of the parameter of the air flowing through the orifice 75 is improved. This parameter characterizes, for example, speed, temperature, moisture content or quality of moving through the air passage opening 75 air.

Fig. 6 shows the fan 1 of FIG. 1 without the fan housing 2 and the circuit board 70 of FIG. Shown in a bottom view. 5 This view shows a support 12 which is formed as a plastic molding. Guide extensions 12 ', "injected, electrical connections 16, for example formed as pins and guide pins 51, 52 are arranged in the mold 12, preferably. The guide projections 12 12', 12" are used, as in Fig. 8 described, for attachment of the carrier 12 to the circuit board 70th

The injected or inserted connecting pins 16 are made of metal. The one end 161 of the pins 16 is conductively connected to one end of winding wires 9 and the other end 162 of the pins 16 projects out of the carrier 12th The terminal pins 16 are preferably formed at right angles, with which is arranged an end 161 in the plane of the support 12 as being substantially formed as a flat portion and substantially at right angles protruding end 162 of the carrier 12th Likewise, the guide pins 51, 52 are preferably formed as rectangular pins made of an electrically conductive material, whose one ends 151, 152 lie in the plane of the carrier 12 and the other ends 153, 154 in substantially the same length and parallel to the other ends 162 of the terminal pins 16 protrude from the carrier 12th A short-circuit element 17 for a rotor magnet (in Fig. 7 45), in the embodiment, a ferromagnetic sheet metal disc in the form of a circular ring, is also injected in the mold piece 12. The attachment means, for example, executed as a slotted snap-bolt 15 of FIG. 1 are injection-molded on the underside of the mold piece 12. The fasteners 15 serve as mounting aid or mounting the carrier 12 in the fan housing 2 of Fig. 1. At the bottom of the fitting 12 are mounted spacers 25, preferably injection molded, which for maintaining a distance between the underside of the shaped part 12 and the fan housing serve 2 of FIG. 1 or which may be used as a pass or guide pins. The above-described configuration of the stator, in particular of the stator support 12, allows a largely automated manufacturing, ie the winding, striking and applying the winding ends to the pins 16, soldering and testing may be performed on a vending machine.

Fig. 7 shows in section along the line VII-VII of Fig. 6 shows details of the embodiment of the fan 1 of FIG. 1 to 6. This has a motor 10 for driving the fan wheel 11, which here is an electronically commutated pancake motor with a rotor 45 is, at which the fan is attached. 11 The motor 10 has a coil body 121, which is a part of the carrier 12 in this embodiment. In this coil bobbin 121, a stator winding 13 is applied, which has a drive and a sensor coil.

The fan wheel 11, which is executed in this case as so-called. Gedeckeltes radial fan includes a shaft 5, which serves as a rotor shaft. The shaft 5 is radially mounted in a fastened in a bearing supporting tube 14 bearing arrangement 34, for example a sintered double bearing. The bearing assembly 34 can be designed according to the use as a rolling bearing. The bearing support tube 14 is preferably also part of the injected molding 12. An upper, extended in the axial direction and of reduced outer diameter edge 8 of the bearing tube 14 is used in conjunction with a reduced outer diameter region of the sintered bearing 34 for the axial securing of the bearing 34. The sintered bearing 34 etc. also can be attached by adhesive bonding, caulking. In the area of ​​the upper edge 8 is an auxiliary magnetic device 18 (ferromagnetic or permanent magnetic arrangement) attached. This may be performed to further reduce costs as stamped from gummimagnetischem material pane. An inserted into the bearing supporting tube 14 bearing shell 6 forms the axial support of the shaft 5. The arrangement of the bearing shell 6 determines the size of the substantially planar air gap 7 between the rotor magnet 45 and the stator winding 13. The motor 10 has only one stator winding, a driving winding and having a sensor coil and preferably is bifilar wound. To avoid lengths of the shape of the coil and the circuit, reference will be 87 02 271 U1 is made to the content of DE respect.

The fan 11 includes generally radially extending blades 21 which are arranged between a first guide member 41 and a second guide member 42nd The first guide member 41 has a central, substantially plane formed air inlet opening 43 which is located approximately in Fig. 1 in the region of the Lüfteintrittsöffnung 199th The first and second air guide member 41, 42 form in axial cross section as seen in this embodiment, a widening in the radial direction outwards air outlet cross-section. For other applications, a narrowing cross section and also different cross-sectional shapes can be designed.

In the area of ​​the air inlet opening 43, a portion 58 is located in which the shaft 5 of the impeller 11 is fixed. In the second air guide member 42 a ferromagnetic return disc 44 is mounted on the rotor magnet 45 is arranged for the motor drive of the fan wheel. 11 It can be used without inference disc also a pole-oriented-oriented magnet.

As seen from Fig. 7, the ends 161 of the pins 16 formed on the carrier 12 project 70 (Fig. 80) through it in the circuit board provided openings or holes 77 and are soldered there. Thus, the terminal pins 16 are contacting with components 79 ', 79 "of the drive or motor electronics 79 (transistors, resistors, etc.) associated to the motor 10, which are arranged on the circuit board 70th The ends 162 may, for example, for electrically serve connecting one or more components of the motor electronics 79 which are not arranged to save space on the circuit board 70 and can be arranged. when using the in the Fig. 9 described to 11 circuit board 70, the ends remain 162 unused, so that even without these can be.

Fig. 7 illustrates the air passage opening 75 of the circuit board 70 through which flows the air flow generated by the fan blades 21 of the fan wheel 11 99. As shown in Fig. 7 clearly seen, the air flow 99 of the carrier elements flows around this on all sides of the 72 between the free ends ", 73" 72, 73 arranged sensor 71, the sensor terminals 71 ', 71 "in SM D-construction with the are electrically and mechanically connected to the support elements 72, 73 provided for electrical connections 72 'and 73'.

Fig. 8 and Fig. 18 show the fan 1 of FIG. 1 to 7 without the fan housing 2 in a perspective view. Fig. 8 illustrates the arranged at a front side of the circuit board 70 components 79 ', 79 "and an exemplary further component 79' 'of the motor electronics 79 and the through holes 74', 74 'by projecting into the circuit board 70 guide extensions 12' and 12" , Moreover illustrate Figs. 8 and FIG. 18 projecting through the openings 77 in the printed circuit board 70, and there, for example soldered ends 161 of the connecting pins 16.

It is noted, however, that a soldering of the ends of the connecting pins 16 is not absolutely necessary to the openings 77 161st Rather, may find use alternative, already known fastening techniques. For example, the ends may be formed in the shape of press-fits 161, so that a press-fitting of the pins enough in the openings 77 to the mechanical and electrical connection of the pins 16 of the circuit board 16 with the 70th

The circuit board 70 is thus held on the one hand of the pins 16 and on the other hand by the guide projections 12 ', 12 "at a predetermined angle to the support 12 and fixed thereto. Here, the air passage opening 75 is arranged relative to the fan wheel 11, that of the fan blades 21 moved during operation of the fan 1, air flows through air passage opening 75 miles. in the example shown, support 12 and circuit board 70 are arranged to one another such that the circuit board 70 extends approximately parallel to the axis of rotation 5 of the impeller. 11

Fig. 9, Fig. 19 and Fig. 10 show the back of the PCB 70 of Fig. 8. Fig. 9 and 10 illustrate the exemplary vertically projecting from the circuit board 70 contact-pins 78 ', 78 ", 78'", 78 IV, which provided for the terminal pins 16 openings 77, as well as arranged in the air passage opening 75 sensor 71, here an NTC sensor.

The sensor 71 as described above mounted on the support elements 72, 73, by way of example, a straight line extending from different sides of the air passage opening 75, starting in this. It is noted, however, that other configurations of the circuit board 70 and the support members 72, 73 are possible within the scope of the invention. For example, the circuit board 70 are shortened such that a - is omitted lower portion 180 - in FIG. 10. In the illustrated embodiment, this area extends 180 by way of example to a dashed line 185, so that the air passage opening is roughly halved at omitting the range 180 75, and thus only a recess in the shape of a bisected in the longitudinal direction of the oval were present. In this recess, the support members 72 could extend from both sides 73, that is, in Fig. 10 coming from the right or the left. Alternatively, this could also run parallel to each other, for example approximately from the openings 77 "and 77 '" in Fig. 10 downward, or at a predetermined angle to each other, for example, from the openings 77' and 77 IV in the direction of an imaginary crossing point in FIG so that it can also be completely dispensed with an air passage opening or -sized cut. 10.

Fig. 11 and Fig. 20 show the front of the circuit board 70 of FIG. 8 to illustrate the electrical connections 72 'and 73' of the support elements 72 and 73 according to an embodiment. In addition, the illustrated in SM D-construction on the support elements 72, 73 fixed sensor terminals 71 'and 71 "of the sensor 71, which extend above the surface of the circuit board 70. In Fig. 20, the sensor 71 is not shown, and there are the flat, rectangular-shaped pads 72 ', 73' for the sensor terminals 71 '72' to be seen.

Fig. 12 and Fig. 21 show a plan view of the underside of the fan 1 of FIG. 1 without the cover plate 195. In particular, FIG. 12 shows an interior 250 of the fan housing 2, in which the fan 11 on the (not visible) beam 12 is arranged.

The fan housing 2 has a guide 200 for the circuit board 70 in order to facilitate their mounting in the housing. 2 The fan housing 2 has air-guiding members 210 ', 210 "for guiding the generated from the impeller 11 during operation of the fan 1 in the air flow direction of the air passage opening 75 of the circuit board 70th

Fig. 13 through Fig. 17 show the fan 1 of FIG. 1 with the housing 2, wherein at least one of the air outlet openings 22 ', 24', 26 ', 28' has a modified configuration. In Fig. 13, the air outlet openings 22 'and 24' shown in the form of an elongated oval by way of example. In Fig. 14, the air outlet openings 22 'and 24' are circular, formed in FIG. 15, rectangular with rounded corners, in Fig. 16 diamond-shaped with rounded corners in Fig. 17 are square with rounded corners.

Naturally, many variations and modifications are possible within the scope of the present invention.

Thus, only one which projects in the manner of a diving board into the air passage opening 75 of the circuit board 70 first support member, instead of the two support elements 72, 73, 72 may be provided with two preferably parallel conductor tracks wherein the sensor 71 is arranged either on the support member 72 or only over its terminals 71 ', 71 ", which are preferably arranged on the same side of the sensor 71, with the support element 72 and the conductor paths 72', are connected 73 'and can be uncovered flows around the support element 72 in the air passage opening 75 of air.

Claims

claims
1. Radial fan comprising:
A fan housing (2) with at least one air outlet opening (22 ', 24 ", 26', 28 '), provided one in the ventilator housing (2) support (12), to which a fan wheel (1: 1) with fan blades (21) for generating a by mindest12ens an air outlet opening (22 ', 24', 26 ', 28') flowing air stream (99) is rotatably arranged; a plurality of terminal pins (16) for electrical connection of an associated fan drive motor (10), which pins on the carrier (12) are arranged, one in the fan housing (2) arranged printed circuit board (70) having a Luftdurch- opening (75) for the passage of the fan blades (21) in operation generated air current (99) which circuit board (70) having openings having (77) for the pins (16); a first support member (72) having a first electrical connection (72 "), and a second support member (73) with a second electrical terminal (73 '), which support elements (72, 73 ) with their Fri. eien ends (72 ", 73") in the air passage opening (75) extend so that their free ends (72 ", 73") are spaced apart from each other; a sensor (71) for detecting a parameter of the of the fan blades (21) in operation the air stream generated (99), which sensor (71) comprises a first sensor terminal (71 ') and a second sensor terminal (71 "), said first sensor connection (71 ') with the first electrical terminal (72') is connected and the second sensor terminal (71 ") with the second electrical connection (73 ') mechanically and electrically such that the air flow generated by the fan blades in operation (99) prior to its emergence from the at least one air outlet opening (22 ', 24', 26 ', 28') flows around the sensor (71).
2. Fan according to claim 1, wherein the first sensor connection (71 ') and the second sensor terminal (71 ") is connected to the first electrical terminal (72') and the second electrical connection (73 ') are connected such that the of the fan blades (21) air stream generated in operation (99) can flow around the sensor (71) on all sides.
3. The fan according to claim 1 or 2, wherein the first sensor connection (71 ') and the second sensor terminal (71 ") with the first electrical terminal (72 1) and the second electrical connection (73") in SM D-construction connected are.
assign 4. Fan according to one of the preceding claims, wherein the free ends (72 ", 73") of the support elements (72, 73) to each other.
assign 5. The fan according to claim 4, wherein the first carrier member (72) and the second carrier member (73) in a straight line to each other.
6. Fan according to one of the preceding claims, wherein the sensor (71) extends in a straight line (72 ') to the second electrical connection (73') of the first electrical connection.
' ", Through which an on the support (12) provided guide extension (12 (, 74, 12 7. Fan according to one of the preceding claims, wherein the circuit board (70) at least one recess 74)"') protrudes, which for fastening the circuit board (70) to demTräger (12).
8. The fan according to claim 7, wherein the circuit board (70) and the support (12) approximately perpendicular to each other are arranged.
9. Fan according to one of the preceding claims, wherein on the circuit board (70) components (79 ', 79 ") of the engine electronics (79) are arranged.
10. Fan according to one of the preceding claims, wherein the terminal pins (16) approximately perpendicular to the axis of rotation (5) of the impeller (1: 1) on the support (12) are arranged.
1 1. A fan according to any one of the preceding claims, the fan housing (2) is box-shaped.
having 12 fan according to claim 1 1, wherein the box-shaped fan housing (2) having an axial air inlet opening (199)
13. The fan according to claim 1 1 or 12, the fan housing (2) has side walls (22, 24, 26, 28), of which at least one with an air outlet opening (22 ', 24', 26 ", 28 ') is provided.
14. The fan according to any one of the preceding claims, the fan housing (2) at least one locking element (172, 174, 176, 178), and wherein the carrier (12) has at least one detent member (182, 184, 186, 188), with said latching element (172, 174, 176, 178) is connected.
15. The fan according to any one of the preceding claims, the fan housing (2) has a guide (200) for the printed circuit board (70) and at least one air guiding element (210 ', 210 "), which in for guiding from the impeller (1: 1) operating the air stream generated (99) is formed to the air passage opening (75) of the printed circuit board (70).
PCT/EP2008/009232 2008-01-18 2008-10-31 Fan having a sensor WO2009089857A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE202008000002.5 2008-01-18
DE202008000002 2008-01-18

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP20080853148 EP2118493B1 (en) 2008-01-18 2008-10-31 Fan having a sensor
DE200850001586 DE502008001586D1 (en) 2008-01-18 2008-10-31 Fan with a sensor
AT08853148T AT485452T (en) 2008-01-18 2008-10-31 Fan with a sensor

Publications (1)

Publication Number Publication Date
WO2009089857A1 true WO2009089857A1 (en) 2009-07-23

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PCT/EP2008/009232 WO2009089857A1 (en) 2008-01-18 2008-10-31 Fan having a sensor

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EP (1) EP2118493B1 (en)
AT (1) AT485452T (en)
DE (2) DE502008001586D1 (en)
WO (1) WO2009089857A1 (en)

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DE102015104982A1 (en) * 2015-03-31 2016-10-06 Ebm-Papst St. Georgen Gmbh & Co. Kg Fan device, in particular a radial fan device

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EP2118493A1 (en) 2009-11-18
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DE502008001586D1 (en) 2010-12-02
DE202008015459U1 (en) 2009-05-28

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