EP1531272A2 - Lüfter mit einem Sensor - Google Patents
Lüfter mit einem Sensor Download PDFInfo
- Publication number
- EP1531272A2 EP1531272A2 EP20040024746 EP04024746A EP1531272A2 EP 1531272 A2 EP1531272 A2 EP 1531272A2 EP 20040024746 EP20040024746 EP 20040024746 EP 04024746 A EP04024746 A EP 04024746A EP 1531272 A2 EP1531272 A2 EP 1531272A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- fan
- circuit board
- fan according
- sensor
- air
- 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.)
- Granted
Links
- 238000005452 bending Methods 0.000 claims description 9
- 239000004020 conductor Substances 0.000 claims description 4
- 238000004378 air conditioning Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims 1
- 238000001514 detection method Methods 0.000 claims 1
- 210000000078 claw Anatomy 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 241001295925 Gegenes Species 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000004023 plastic welding Methods 0.000 description 1
- 230000036316 preload Effects 0.000 description 1
- 230000002285 radioactive effect Effects 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D25/0606—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump
- F04D25/0613—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump the electric motor being of the inside-out type, i.e. the rotor is arranged radially outside a central stator
- F04D25/0633—Details of the magnetic circuit
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D25/0606—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump
- F04D25/0613—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump the electric motor being of the inside-out type, i.e. the rotor is arranged radially outside a central stator
- F04D25/0646—Details of the stator
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D25/0606—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump
- F04D25/0666—Units 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/001—Testing thereof; Determination or simulation of flow characteristics; Stall or surge detection, e.g. condition monitoring
Definitions
- sensor fans For air measurement, e.g. for air conditioning in motor vehicles, are sensor fans used. These have e.g. an outer diameter of 30 mm, i. it is according to technical language use to mini fans.
- Such mini fans contain an electronically commutated motor whose Rotor drives a fan. The latter sucks air over one Air passage, and this is then by one or more Blown out openings.
- one or more sensors arranged, e.g. an NTC resistor at which the current air temperature is measured, or a sensor for moisture, quality, radioactive Load etc. of the air.
- this sensor data e.g. a Air conditioning controlled. Since the fan is so small, it is difficult and also with considerable cost associated with mounting such a sensor, e.g. one NTC resistor.
- one electrical connection to a connector of the fan can be made, what additional costs.
- this object is achieved by the subject matter of Claim 1.
- a printed circuit board the production much easier, because on the circuit board, a sensor with the Methods of automated manufacturing are attached, e.g. as an SMD component.
- This also makes it possible to further miniaturize the fan as a sensor that mounted on a printed circuit board, has only a very small height.
- the Invention it is possible, the size of such a fan continues to to reduce.
- the printed circuit board advantageously has a reduced thickness in the region of its bend having.
- This thickness can e.g. be reduced by at least 50%, preferably by 70 to 85%.
- FIG. 1 shows a mini-fan 20. This example has an outer diameter of 30 mm and a height of 20 mm and is shown greatly enlarged in order to represent details with sufficient accuracy.
- Fig. 1 shows an example of a scale indication to illustrate the size ratios.
- the fan 20 has a lower housing part 22 and a mechanically with this connected upper housing part 24.
- the lower housing part 22 has in the middle a bearing support tube 26, in which a sintered bearing 28 is pressed and on the Outside an inner stator 30 is attached, the here according to FIG. 5 claw poles 32, 34 with two (only schematically indicated) annular coils 36, 38, the on a carrier 40 are pre-assembled.
- the ring coil 36 serves to drive the Motors, the toroidal coil 38 as a so-called sensor coil for detecting the Rotor position for the electronic commutation.
- the carrier 40 has four pins 42, with which it into corresponding holes 44 of the lower housing part 22nd is pressed.
- an outer rotor 46 which has a rotor bell 48, within whose an annular permanent magnet 50 is arranged, the four-pole here magnetized, as well as the claw-pole stator has four poles.
- a shaft 52 is fixed, as shown in the Sintered bearing 28 is mounted and with its free end against the lower Housing part 22 is present. Since in Fig. 1, the rotor magnet 50 against the Claw poles 32, 34 is axially offset upwards, acts on the rotor 46, a force K toward the lower housing part 22 and presses the shaft 52 against this (Axial plain bearing with axial preload).
- the upper housing part 24 has a flat top 64, and on this is a attached first portion 66 of a printed circuit board 68, the shape of the Figs. 1 to 5 clearly.
- This printed circuit board 68 generally has a thickness d of about 1 mm, and this is in the region of a bending point 70 by a cutout 72 to approx. 0.22 mm reduced to allow easier bending there. It has shown that in this way a bend is possible, the bending angle can be between 0 ° and about 180 °.
- the circuit board 68 has below the Bend 70 a second section 54 on which the (not shown) electronic components of the fan 20 are arranged. Down on the second Section 74 is shown in FIG. 1, a plug 76 of any type attached to to allow easy installation.
- pins 78 made of plastic, to the Housing parts 22, 24 are provided through openings 80 in the circuit board 68 and are permanently fixed there, e.g. by heating or others Types of a positive connection.
- Femer are on the Printed circuit board 68 printed conductors 82 which lead to contact surfaces 84 at where a sensor is soldered in the SMD process, here an NTC resistor 86.
- Such a resistor 86 has a very low height at normal Function.
- the contact surfaces 84 are located on a thin web 88, located in the Section 66 extends approximately diametrically to an opening 90 whose shape with the the air passage opening 58 coincides.
- the housing part 24 has a rounded support surface 92 provided, the shape of which is best seen in Fig. 1. If the Printed circuit board 68 is bent, fits the support surface 92 - preferably positively - In the cutout 72, therefore supports the circuit board 68 in the region of its bend 70 optimally forms and at the same time the bend 70 so that there Tracks 82 get no cracks.
- the thickness of the Copper layer, which forms the conductor tracks 82 selected correspondingly large, especially in the area of the bend 70, to the ductility of copper exploit.
- connection of the coils 36, 38 are with corresponding, not shown interconnects of the circuit board 68 connected.
- the lower Housing part 22 four slots 96, see. Fig. 5.
- FIG. 6 and 7 show as a second embodiment a sensor fan 120.
- This has a fan 156 which is driven by an electronically commutated motor. Furthermore, it has a lower housing part 122 and an upper housing part 124 connected thereto. The latter is provided on its upper side in FIG. 6 with an air passage opening 158 which is formed by a cylindrical collar 159 and in which air flows in from above.
- the collar 159 has two side openings 161 'and 161 ".
- the motor 146 has an inner stator 130, here claw poles 132, 134 and two Ring coils 136, 138 has.
- An outer rotor 146 has a rotor bell 148, within. whose magnetic ring is arranged.
- a Attached shaft mounted in a sintered bearing 129, which is in a bearing tube 128 is arranged.
- the Housing 120, 124 is provided with resilient mounting pin 178.
- the contact set K1 to K6 is firmly connected to the housing parts 122, 124, e.g. by plastic welding. His contacts K2 to K5 serve for Connection with four pins 137 of two stator coils 136, 138. Its Contacts K1 and K6 are used for connection to two connecting cables of a NTC sensor 186 located approximately in the center of inlet port 158, there to measure the temperature of the incoming air.
- the rotor 146 is directly connected to the blades of the fan wheel 156.
- the NTC sensor 186 is on a transverse web 188 of a printed circuit board 185 in SMD technology attached and there with two tracks 182 ', 182 "electrically leading to contact holes 183 'and 183 ", respectively are soldered directly to the contacts K6 or K1 of the contact set. As a result, the NTC sensor 186 is electrically connected, and the annular circuit board 185, whose component is the web 188, which runs diagonally to this annular circuit board 185 is through the Soldering mechanically attached to the sensor fan 120.
- the air outlet openings are designated 160 in FIGS. 6 and 7.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
Description
- Sie stützt die Leiterplatte während des Biegevorgangs und vermeidet dadurch, dass die Leiterplatte während der Montage bricht.
- Sie stützt und schützt die Leiterplatte während der gesamten Lebensdauer des Lüfters, so dass der dünne Teil der Leiterplatte durch seine Auflage auf die Biegekante sehr gut abgestützt und dadurch gegen mechanische Beschädigungen geschützt ist.
- Fig. 1
- einen sehr stark vergrößerten Längsschnitt durch eine bevorzugte Ausführungsform eines erfindungsgemäßen Lüfters, gesehen längs der Linie I-I der Fig. 2,
- Fig. 2
- eine Draufsicht auf die Ansaugöffnung des Lüfters, gesehen in Richtung des Pfeiles II der Fig. 1,
- Fig. 3
- eine raumbildliche Darstellung einer bei Fig. 1 und 2 verwendeten Leiterplatte im Zustand, bevor sie gebogen wird,
- Fig. 4
- dieselbe Leiterplatte im gebogenen Zustand, und
- Fig. 5
- den Lüfter nach Fig. 1 und 2 in einer stark vergrößerten Explosionsdarstellung,
- Fig. 6
- eine Variante zu Fig. 1 bis 5; diese zeigt einen Lüfter, bei dem ein NTC-Widerstand 186 auf einer separaten Leiterplatte 185 befestigt ist, in perspektivischer Darstellung, und
- Fig. 7
- eine Explosionsdarstellung des Lüfters der Fig. 6.
Claims (14)
- Lüfter mit mindestens einem Sensor (86; 186) zur Erfassung mindestens eines Wertes der Luft, welche den Lüfter (20; 120) durchströmt, insbesondere von Temperatur, Feuchte, Luftgüte etc., welcher Lüfter aufweist:Ein Lüftergehäuse (22, 24; 122, 124);einen in diesem Lüftergehäuse (22, 24; 122, 124) angeordneten elektronisch kommutierten Außenläufermotor, welcher einen Innenstator (30; 130) und einen Außenrotor (46; 146) aufweist;ein mit dem Außenrotor (46; 146) verbundenes Lüfterrad (56; 156);eine Luftdurchtrittsöffnung (58; 90; 158) für den Durchtritt von Luft, welche durch das Lüfterrad (56; 156) gefördert wird;eine Leiterplatte (68; 185) mit einem ersten Abschnitt (66; 188), der sich im Bereich der Luftdurchtrittsöffnung (58; 158) erstreckt;auf diesem ersten Abschnitt (66; 188) angeordnete Leiterbahnen (82, 84; 182', 182"), mit denen der Sensor (86; 186) verbunden ist, insbesondere in SMD-Bauweise.
- Lüfter nach Anspruch 1, bei welchem der erste Abschnitt (66) der Leiterplatte (68) über eine Biegung (70) in einen zweiten Abschnitt (74) übergeht, der zur Aufnahme von elektronischen Bauelementen des Motors dient.
- Lüfter nach Anspruch 2, bei welchem die Leiterplatte (68) im Bereich der Biegung (70) eine reduzierte Dicke (72) aufweist, insbesondere eine um mindestens 50 % reduzierte Dicke.
- Lüfter nach Anspruch 2 oder 3, bei welchem die Leiterplatte (68) im Bereich ihrer Biegung (70) an einer abgerundeten Kante (92) des Lüftergehäuses (24) abgestützt ist.
- Lüfter nach Anspruch 4, bei welchem die Biegekante (92) im wesentlichen formschlüssig in den Abschnitt (72) reduzierter Dicke der Leiterplatte (68) eingreift.
- Lüfter nach einem der vorhergehenden Ansprüche, bei welchem die Leiterplatte (68; 185) am Lüftergehäuse (22, 24; 122, 124) gehalten ist.
- Lüfter nach einem der vorhergehenden Ansprüche, bei welchem der erste Abschnitt (66) der Leiterplatte (68) mit mindestens einer Luftdurchtrittsöffnung (90) versehen ist.
- Lüfter nach einem der vorhergehenden Ansprüche, bei welchem sich in die Luftdurchtrittsöffnung (90; 158) ein Trageteil (88; 188) der Leiterplatte (68; 185) erstreckt, auf welchem Trageteil der Sensor (86; 186) angeordnet ist.
- Lüfter nach einem der Ansprüche 2 bis 5, bei welchem das Lüftergehäuse mindestens zweiteilig (22, 24) ausgebildet ist,
und der zweite Abschnitt (74) der Leiterplatte (68) an einer Mehrzahl von Teilen (22, 24) des Lüftergehäuses gehalten ist. - Lüfter nach einem der vorhergehenden Ansprüche, bei welchem einstückig mit dem Lüftergehäuse (22, 24; 122, 124) ein Lagertragrohr (26; 128) ausgebildet ist, in welchem eine Lageranordnung (28; 129) zur Lagerung einer Welle (52) des Außenrotors (46; 146) vorgesehen ist.
- Lüfter nach einem der vorhergehenden Ansprüche, bei welchem der Sensor als NTC-Widerstand (86; 186) ausgebildet ist.
- Lüfter nach einem der vorhergehenden Ansprüche, bei welchem der Sensor (86; 186) zur Temperaturerfassung für eine Klimaanlage ausgebildet ist.
- Lüfter nach einem der vorhergehenden Ansprüche, bei welchem im Bereich der Lufteintrittsöffnung (158) ein Kragen (159) vorgesehen ist, welcher mit Durchbrechungen (161', 161") versehen ist, durch welche sich der erste Abschnitt (188) der Leiterplatte (185) in die Lufteintrittsöffnung (158) erstreckt.
- Lüfter nach einem der vorhergehenden Ansprüche, bei welchem ein Kontaktsatz (K1 bis K6) vorgesehen ist,
und die Leiterplatte (185) elektrisch und mechanisch mit Elementen (K1, K6) dieses Kontaktsatzes verbunden ist.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE20318040 | 2003-11-12 | ||
DE20318040U | 2003-11-12 | ||
DE202004012411 | 2004-08-07 | ||
DE202004012411U | 2004-08-07 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1531272A2 true EP1531272A2 (de) | 2005-05-18 |
EP1531272A3 EP1531272A3 (de) | 2006-02-22 |
EP1531272B1 EP1531272B1 (de) | 2015-12-09 |
Family
ID=33566193
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04024746.2A Active EP1531272B1 (de) | 2003-11-12 | 2004-10-18 | Lüfter mit einem Sensor |
Country Status (3)
Country | Link |
---|---|
US (1) | US7841541B2 (de) |
EP (1) | EP1531272B1 (de) |
DE (1) | DE202004016545U1 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102011111220A1 (de) | 2011-08-20 | 2013-02-21 | Leopold Kostal Gmbh & Co. Kg | Lüfter mit Sensor |
DE102016006888A1 (de) * | 2016-06-03 | 2017-12-07 | Liebherr-Hausgeräte Ochsenhausen GmbH | Ventilator |
Families Citing this family (32)
Publication number | Priority date | Publication date | Assignee | Title |
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EP1851441A1 (de) * | 2005-02-24 | 2007-11-07 | ebm-papst St. Georgen GmbH & Co. KG | Minilüfter |
EP1816729B1 (de) * | 2006-02-03 | 2015-10-21 | ebm-papst St. Georgen GmbH & Co. KG | Elektromotor |
EP1816727A3 (de) * | 2006-02-03 | 2011-04-06 | ebm-papst St. Georgen GmbH & Co. KG | Elektromotor |
US8282348B2 (en) * | 2007-03-05 | 2012-10-09 | Xcelaero Corporation | Fan with strut-mounted electrical components |
DE502008001841D1 (de) | 2007-06-28 | 2010-12-30 | Ebm Papst St Georgen Gmbh & Co | Lüfter mit einer leiterplatte |
CN101349284B (zh) * | 2007-07-18 | 2011-06-29 | 台达电子工业股份有限公司 | 具有感测元件承载结构的风扇及其扇框 |
US8130505B2 (en) * | 2009-04-24 | 2012-03-06 | Schurz James Hsu | Car fan controller |
US9074770B2 (en) | 2011-12-15 | 2015-07-07 | Honeywell International Inc. | Gas valve with electronic valve proving system |
US9851103B2 (en) | 2011-12-15 | 2017-12-26 | Honeywell International Inc. | Gas valve with overpressure diagnostics |
US8905063B2 (en) | 2011-12-15 | 2014-12-09 | Honeywell International Inc. | Gas valve with fuel rate monitor |
US9995486B2 (en) | 2011-12-15 | 2018-06-12 | Honeywell International Inc. | Gas valve with high/low gas pressure detection |
US9557059B2 (en) | 2011-12-15 | 2017-01-31 | Honeywell International Inc | Gas valve with communication link |
US9835265B2 (en) | 2011-12-15 | 2017-12-05 | Honeywell International Inc. | Valve with actuator diagnostics |
US8947242B2 (en) | 2011-12-15 | 2015-02-03 | Honeywell International Inc. | Gas valve with valve leakage test |
US8899264B2 (en) | 2011-12-15 | 2014-12-02 | Honeywell International Inc. | Gas valve with electronic proof of closure system |
US9846440B2 (en) | 2011-12-15 | 2017-12-19 | Honeywell International Inc. | Valve controller configured to estimate fuel comsumption |
US8839815B2 (en) | 2011-12-15 | 2014-09-23 | Honeywell International Inc. | Gas valve with electronic cycle counter |
US9234661B2 (en) | 2012-09-15 | 2016-01-12 | Honeywell International Inc. | Burner control system |
US10422531B2 (en) | 2012-09-15 | 2019-09-24 | Honeywell International Inc. | System and approach for controlling a combustion chamber |
TWI530620B (zh) * | 2013-09-02 | 2016-04-21 | Sunonwealth Electr Mach Ind Co | Chassis and fan with temperature sensing element |
EP2868970B1 (de) | 2013-10-29 | 2020-04-22 | Honeywell Technologies Sarl | Regelungsvorrichtung |
CN203604227U (zh) * | 2013-12-02 | 2014-05-21 | 讯豪电子(昆山)有限公司 | 风扇结构 |
US10024439B2 (en) | 2013-12-16 | 2018-07-17 | Honeywell International Inc. | Valve over-travel mechanism |
US9841122B2 (en) | 2014-09-09 | 2017-12-12 | Honeywell International Inc. | Gas valve with electronic valve proving system |
US9645584B2 (en) | 2014-09-17 | 2017-05-09 | Honeywell International Inc. | Gas valve with electronic health monitoring |
DE102015219150A1 (de) * | 2015-10-02 | 2017-04-06 | Ziehl-Abegg Se | Motor für Lüfter bzw. Ventilatoren, Pumpen oder Kompressoren, Verfahren zum Betrieb eines solchen Motors und Ventilatorsystem mit einem oder mehreren Motor(en)/Ventilator(en) |
US10503181B2 (en) | 2016-01-13 | 2019-12-10 | Honeywell International Inc. | Pressure regulator |
US10564062B2 (en) | 2016-10-19 | 2020-02-18 | Honeywell International Inc. | Human-machine interface for gas valve |
US11073281B2 (en) | 2017-12-29 | 2021-07-27 | Honeywell International Inc. | Closed-loop programming and control of a combustion appliance |
TWI659159B (zh) * | 2018-01-31 | 2019-05-11 | 建準電機工業股份有限公司 | 感溫風扇 |
US10697815B2 (en) | 2018-06-09 | 2020-06-30 | Honeywell International Inc. | System and methods for mitigating condensation in a sensor module |
TWI686540B (zh) * | 2019-02-01 | 2020-03-01 | 建準電機工業股份有限公司 | 具連接座之風扇 |
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US5701045A (en) | 1995-05-31 | 1997-12-23 | Sanyo Denki Co., Ltd. | Axial flow air fan having lateral suction and discharge ports for cooling electronic components |
DE19643339A1 (de) | 1996-10-21 | 1998-04-23 | Bosch Gmbh Robert | Elektromotorisch betriebenes Gebläse |
US6013966A (en) | 1997-10-11 | 2000-01-11 | Papst-Motoren Gmbh & Co. Kg | Mini-fan unit especially for use as a fun printed circuit boards |
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DE10004473C2 (de) | 2000-02-02 | 2002-07-18 | Rittal Gmbh & Co Kg | Lüfter mit einer Vorrichtung zum Erfassen einer Strömung |
DE10021067A1 (de) | 2000-04-28 | 2001-10-31 | Bosch Gmbh Robert | Elektromotorisch angetriebener Lüfter zum Belüften eines Sensors |
KR100398534B1 (ko) * | 2001-12-28 | 2003-09-19 | 씨멘스브이디오한라 주식회사 | 온도센서 및 습도센서의 일체형 구조 |
US6619556B1 (en) * | 2002-07-17 | 2003-09-16 | Delphi Technologies, Inc. | Integrated switch pad and sensor holder/thermal isolator |
-
2004
- 2004-10-14 US US10/966,134 patent/US7841541B2/en active Active
- 2004-10-18 EP EP04024746.2A patent/EP1531272B1/de active Active
- 2004-10-25 DE DE202004016545U patent/DE202004016545U1/de not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5701045A (en) | 1995-05-31 | 1997-12-23 | Sanyo Denki Co., Ltd. | Axial flow air fan having lateral suction and discharge ports for cooling electronic components |
DE19643339A1 (de) | 1996-10-21 | 1998-04-23 | Bosch Gmbh Robert | Elektromotorisch betriebenes Gebläse |
US6013966A (en) | 1997-10-11 | 2000-01-11 | Papst-Motoren Gmbh & Co. Kg | Mini-fan unit especially for use as a fun printed circuit boards |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102011111220A1 (de) | 2011-08-20 | 2013-02-21 | Leopold Kostal Gmbh & Co. Kg | Lüfter mit Sensor |
DE102016006888A1 (de) * | 2016-06-03 | 2017-12-07 | Liebherr-Hausgeräte Ochsenhausen GmbH | Ventilator |
Also Published As
Publication number | Publication date |
---|---|
US7841541B2 (en) | 2010-11-30 |
US20050098641A1 (en) | 2005-05-12 |
DE202004016545U1 (de) | 2004-12-30 |
EP1531272B1 (de) | 2015-12-09 |
EP1531272A3 (de) | 2006-02-22 |
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