EP2906831A1 - Lüfterbaugruppe - Google Patents

Lüfterbaugruppe

Info

Publication number
EP2906831A1
EP2906831A1 EP13777264.6A EP13777264A EP2906831A1 EP 2906831 A1 EP2906831 A1 EP 2906831A1 EP 13777264 A EP13777264 A EP 13777264A EP 2906831 A1 EP2906831 A1 EP 2906831A1
Authority
EP
European Patent Office
Prior art keywords
fan
holder
fan assembly
assembly
flange
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Withdrawn
Application number
EP13777264.6A
Other languages
German (de)
English (en)
French (fr)
Inventor
Rainer Weser
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BSH Hausgeraete GmbH
Original Assignee
BSH Hausgeraete GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BSH Hausgeraete GmbH filed Critical BSH Hausgeraete GmbH
Publication of EP2906831A1 publication Critical patent/EP2906831A1/de
Withdrawn legal-status Critical Current

Links

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
    • F04D29/00—Details, component parts, or accessories
    • F04D29/60—Mounting; Assembling; Disassembling
    • F04D29/62—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
    • F04D29/624—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/58—Cooling; Heating; Diminishing heat transfer
    • F04D29/582—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
    • F04D29/281—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
    • F04D29/4226—Fan casings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/60—Mounting; Assembling; Disassembling
    • F04D29/601—Mounting; Assembling; Disassembling specially adapted for elastic fluid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/60—Mounting; Assembling; Disassembling
    • F04D29/62—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
    • F04D29/624—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
    • F04D29/626—Mounting or removal of fans
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/60—Mounting; Assembling; Disassembling
    • F04D29/64—Mounting; Assembling; Disassembling of axial pumps
    • F04D29/644—Mounting; Assembling; Disassembling of axial pumps especially adapted for elastic fluid pumps
    • F04D29/646—Mounting or removal of fans
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
    • F25D17/062—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation in household refrigerators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
    • F25D2317/06—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation
    • F25D2317/068—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation characterised by the fans
    • F25D2317/0681—Details thereof
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
    • F25D2317/06—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation
    • F25D2317/068—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation characterised by the fans
    • F25D2317/0683—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation characterised by the fans the fans not of the axial type

Definitions

  • the invention relates to a fan assembly for a refrigeration device with a fan and a holder connected to the fan.
  • Refrigeration appliances in particular designed as household appliances refrigerators are known and are used to housekeeping in households or in the catering sector to store perishable food and / or drinks at certain temperatures.
  • Such refrigerators For circulating air, such refrigerators have a motor-driven fan, which has a fan wheel and a flange, wherein for mounting the flange is connected to a holder by screws. This assembly is then in a
  • Refrigerated goods container of the refrigerator installed.
  • the production of a screw connection is complicated and can damage the fan axis and / or the
  • the present invention is based on the recognition that the assembly can be simplified and at the same time quality fluctuations can be reduced by forming a latching connection instead of a screw connection.
  • the object of the invention is achieved in that the fan has a Lüfterradrastelement and the holder has a Halterrastelement, wherein the Lüfterradrastelement and the Halterrastelement standing in contact with each other form a latching connection.
  • the technical advantage is achieved that simplifies the production and at the same time the logistics costs for manufacturing is reduced because neither fasteners, such as screws, nor tools for the Production of a screw must be held or provided. At the same time, the quality is improved, making assembly less susceptible to errors through simplified assembly.
  • the Lüfterradrastelement has a recess
  • the Halterrastelement has a nose, wherein the nose engages in the recess.
  • the Lüfterradrastelement on a nose and the holder detent element has a recess, wherein the nose engages in the recess.
  • the fan wheel on a flange, wherein the flange has a lateral surface, and the Lüfterradrastelement is arranged on the lateral surface.
  • the flange has a mounting torque support surface for fixing the flange during assembly of the fan assembly.
  • the mounting torque-supporting surface is formed by a flattening. This achieves the technical advantage that the
  • Mounting torque support surface is particularly easy to assemble.
  • the flange has a plurality of
  • Fan wheel locking elements which are arranged in the circumferential direction on the cylindrical lateral surface.
  • the Lüfterradrastieri can be arranged uniformly or non-uniformly in the circumferential direction on the cylindrical surface.
  • the technical advantage is achieved that the forces to be absorbed evenly distributed to all fan locking elements, and in case of failure of the Fan locking elements anyway a secure connection between the fan and the holder is given.
  • the plurality of Lüfterrad locking elements form a first Lüfterradrastelementrios and a second Lüfterradrastelementrios, the Lüfterrad locking elements of the first Lüfterradrastelementrios in axial
  • the holder has a ring, wherein the ring is assigned to the holder latching element.
  • the ring has an inner surface on which the holder detent element is arranged.
  • the ring has a plurality of
  • Halterrastelementen which are arranged in the circumferential direction uniformly spaced on the inner surface.
  • the plurality of holding latching elements form a first holding latching element group and a second holding latching element group, wherein the
  • Retaining member group group are arranged offset.
  • the holding branch elements can be arranged evenly or non-uniformly in the axial direction of the axis of rotation of the fan.
  • the Lüfterradrastelement extends radially outward and the Halterrastelement extends radially inwardly.
  • the technical advantage is achieved that the fan and the holder can be connected to each other by a rotational movement about the axis of rotation of the fan. This simplifies the assembly.
  • the invention includes a fan and a holder for such
  • Fig. 3 is a perspective view of a first embodiment of a
  • FIG. 4 is a perspective view of a second embodiment of a flange
  • 5 is a perspective view of a holder
  • 6 shows a first step of mounting the fan assembly
  • Fig. 1 1 another step of mounting the fan assembly.
  • FIG. 1 shows a refrigerator as an exemplary embodiment of a refrigeration device 100.
  • Refrigeration appliance 100 has a refrigeration circuit with an evaporator 102, a compressor (not shown), a condenser (not shown) and a throttle device (not shown) for cooling frozen or refrigerated goods.
  • the evaporator 102 is formed as a heat exchanger, in which after expansion, the liquid refrigerant by heat absorption from the medium to be cooled, i. Air inside the refrigerator, is evaporated.
  • the compressor is a mechanically driven component that draws refrigerant vapor from the evaporator and expels it at a higher pressure to the condenser.
  • the condenser is designed as a heat exchanger in which, after compression, the evaporated refrigerant is released by heat to an external cooling medium, i. the ambient air is liquefied.
  • the throttle body is a device for the continuous reduction of the pressure by reduction in cross section.
  • the refrigerant is a fluid used for heat transfer in the cryogenic system that operates at low temperatures and low pressure Fluid absorbs heat and at higher temperature and higher pressure of the fluid gives off heat, which usually includes changes in the state of the fluid are included.
  • the refrigerator 100 further includes an inner container 104 for receiving frozen or refrigerated goods, which is surrounded by a heat-insulating layer of cured foam 106 in the present embodiment.
  • a fan unit 130 with a fan assembly 108 and an air duct 1 10 are provided in addition to the evaporator 102.
  • the air duct 1 10 has in the present embodiment, an air inlet opening 1 12 and an air outlet opening 1 14.
  • the fan assembly 108 draws air from the inner container 104, advances it to the evaporator, and then back through the fan assembly 108 through the air outlet opening 14 again
  • Inner container 104 fed back.
  • the fan assembly 108 is received in the present embodiment in a housing 1 16, which has a suction nozzle 1 18, can enter through the air from the air duct 1 10 in the housing 1 16. Furthermore, in the present embodiment, the air outlet opening 16 1 16 associated with the housing 1, so that in the present
  • Embodiment air from the housing 1 16 can be promoted directly into the inner container 104.
  • the housing 16 has, in the present exemplary embodiment, a housing front side 120 and a housing rear side 122.
  • both the front of the housing 120 and the rear of the housing 122 are made of plastic, e.g. made by injection molding.
  • the fan assembly 108 has a motor-driven fan wheel 124 and a holder 126.
  • the fan 124 is present
  • Embodiment designed as a radial fan The fan 124 is connected to the holder 126 in the present embodiment by a latching connection 128, and the holder 126 is connected to the housing 1 16. It can be seen that in the present embodiment, the fan assembly 108 is attached to the front of the housing 120. Furthermore, FIG. 1 shows the air outlet opening 14, which in the present exemplary embodiment is assigned to the housing front side 120. FIG. 2 shows an embodiment of the fan wheel 124 and the holder 126, which together form the fan assembly 108.
  • the fan wheel 124 has a motor-driven fan 200 and a flange 202.
  • the fan 200 is rotatably mounted on the flange 202 about a rotation axis I in the present embodiment.
  • a plurality of guide surfaces 204 To promote air, the fan 200 in the present embodiment, a plurality of guide surfaces 204.
  • the flange 202 has in the present embodiment in the extension direction of the rotation axis I, a first cylindrical portion 206 and a second
  • the first cylindrical portion 206 has in the present embodiment, two mounting torque-supporting surfaces 210, of which in Fig. 2 only one can be seen. As will be described later, the mounting torque supporting surfaces 210 serve to fix the flange 202 during assembly of the fan assembly 108. In the present embodiment, the two mounting torque supporting surfaces 210 are each formed by a flat 212.
  • the second cylindrical section 208 has in the present exemplary embodiment a cylindrical lateral surface 214. On the cylindrical lateral surface 214, in the present exemplary embodiment, a plurality of fan wheel locking elements 216 are provided, which are arranged uniformly spaced from each other on the cylindrical lateral surface 214 in the circumferential direction. Furthermore, extend in
  • the Lüfterradrast implant 216 radially outward.
  • the fan detents 216 form a first fan detent group 218 and a second fan detent group 220, with the fan detents 216 of the first fan detent group 218 in FIG Extension arrangement of the axis of rotation I of the fan 200 to the Lüfterradrastierin 216 of the second Lüfterradrastelementoli 220 are arranged offset.
  • each fan wheel locking element 216 has a recess 222.
  • the present embodiment the present embodiment
  • Fan wheel locking member 216 of the first Lüfterradrastelement 118 one orientation to the holder 126 toward, while the Lüfterradrastelement 216 of the second
  • Lüfterradrastelementoli 220 an opposite thereto orientation, ie away from the holder 126.
  • the holder 126 has in the present embodiment, a ring 224, are connected to the three arms 226.
  • Each of the three arms 226 has at its distal end 228 each a decoupling element 230 that the transmission of mechanical
  • the decoupling elements 230 are made of an elastic material, such as e.g. Rubber, made.
  • the ring 224 has in the present embodiment, an inner surface 232 on which a plurality of Halterrastelementen 234 are provided, the uniform in
  • Circumferentially spaced from each other on the inner surface 232 are arranged. Further, in the present embodiment, the holder detents 234 extend radially inwardly.
  • the holder detents 234 form a first holder detent element group 236 and a second holder detent element group 238, wherein the holder detents 234 of the first holder detent element group 236 extending from the axis of rotation I of the fan 200 to the holder detents 234 of the second
  • Halterrastelementoli 238 are arranged offset.
  • each holder detent element 234 has a nose 240.
  • the holder latching elements 234 of the first holder latching element group 236 have an orientation toward the flange 202, while the holder latching elements 234 of the second holder latching element group 238 have an orientation opposite thereto, ie away from the flange 202. So can the Noses 240 engage in the respective recesses 222 and form the locking connection 128.
  • Fig. 3 is another view of the flange 202. To recognize the two
  • Fig. 4 shows another rowsbespiel a flange 202. This
  • mounting torque-supporting surfaces 210 are formed here as arcuate sections 400.
  • FIG. 5 shows a further view of the holder 126.
  • FIG. 6 shows an exemplary embodiment of an auxiliary device 700 used in the assembly.
  • the auxiliary device 700 has two counter-torque support surfaces 702, which are designed to be complementary to the mounting torque-supporting surfaces 210.
  • the flange 202 of the fan wheel 124 is inserted so that the two counter torque support surfaces 702 contact the mounting torque support surfaces 210 (see FIG. 7).
  • the flange 202 is secured against unintentional rotation about the axis of rotation I.
  • the holder 126 is lowered onto the flange 202 until it rests on the flange 202 (see FIG. 9). In a further step, the holder 126 is rotated about the axis of rotation I, in
  • the Lüfterradrastieri 216 are brought into contact with the holder detent element 234 and rotated so far against each other until the lugs 240 engage in the recesses 222 and so the Secure connection between the fan wheel 124 and the holder 126 against unintentional release.
  • the fully assembled fan assembly 108 consisting of the fan wheel 124 and the holder 126, may be removed from the auxiliary device 700.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Air-Conditioning For Vehicles (AREA)
EP13777264.6A 2012-10-15 2013-10-11 Lüfterbaugruppe Withdrawn EP2906831A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012218706.5A DE102012218706A1 (de) 2012-10-15 2012-10-15 Lüfterbaugruppe
PCT/EP2013/071294 WO2014060311A1 (de) 2012-10-15 2013-10-11 Lüfterbaugruppe

Publications (1)

Publication Number Publication Date
EP2906831A1 true EP2906831A1 (de) 2015-08-19

Family

ID=49382408

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13777264.6A Withdrawn EP2906831A1 (de) 2012-10-15 2013-10-11 Lüfterbaugruppe

Country Status (6)

Country Link
US (1) US20150285267A1 (ru)
EP (1) EP2906831A1 (ru)
CN (1) CN104813037A (ru)
DE (1) DE102012218706A1 (ru)
RU (1) RU2015115685A (ru)
WO (1) WO2014060311A1 (ru)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102604833B1 (ko) * 2016-09-29 2023-11-22 엘지전자 주식회사 냉장고
DE102016220191A1 (de) 2016-10-17 2018-04-19 BSH Hausgeräte GmbH Kältegerät mit einem Lüfter und einem Entkopplungselement

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58165298U (ja) * 1982-04-30 1983-11-02 株式会社ボッシュオートモーティブ　システム 空調用送風機
US5117656A (en) * 1990-04-23 1992-06-02 General Electric Company Outdoor unit for a central system for conditioning air, assembly for use with a housing of such unit, and method of assembling a blower motor to a cover for such unit
JP3498347B2 (ja) * 1994-03-16 2004-02-16 株式会社デンソー 送風装置
JP4119525B2 (ja) * 1998-05-21 2008-07-16 日本電産コパル株式会社 ヒートシンク付きファンモータ
US6302189B1 (en) * 2000-06-16 2001-10-16 Delta Electronics, Inc. Engagement structure of a fan
US20020153787A1 (en) * 2001-04-24 2002-10-24 Hollenbeck Robert Keith Electric motor having snap connection assembly method
US7789126B2 (en) * 2006-09-29 2010-09-07 Intel Corporation Fan attachment apparatus for fan component assemblies
CN201786707U (zh) * 2010-09-21 2011-04-06 海信容声(广东)冰箱有限公司 一种冰箱风扇电机组件结构

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2014060311A1 *

Also Published As

Publication number Publication date
WO2014060311A1 (de) 2014-04-24
CN104813037A (zh) 2015-07-29
RU2015115685A (ru) 2016-12-10
DE102012218706A1 (de) 2014-05-15
US20150285267A1 (en) 2015-10-08

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