EP1926947A2 - No-frost-kältegerät - Google Patents
No-frost-kältegerätInfo
- Publication number
- EP1926947A2 EP1926947A2 EP06793293A EP06793293A EP1926947A2 EP 1926947 A2 EP1926947 A2 EP 1926947A2 EP 06793293 A EP06793293 A EP 06793293A EP 06793293 A EP06793293 A EP 06793293A EP 1926947 A2 EP1926947 A2 EP 1926947A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- frost
- vibration
- wall
- wall element
- carrier
- 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- Withdrawn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
- 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
- F25D23/00—General constructional features
- F25D23/006—General constructional features for mounting refrigerating machinery components
-
- 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
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/668—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps damping or preventing mechanical vibrations
-
- 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
- F25D17/067—Evaporator fan units
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/24—Casings; Enclosures; Supports specially adapted for suppression or reduction of noise or vibrations
-
- 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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2500/00—Problems to be solved
- F25B2500/13—Vibrations
-
- 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
- F25D2317/065—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 air return
- F25D2317/0655—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 air return through the top
-
- 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
- F25D2317/066—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 air supply
- F25D2317/0665—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 air supply from the top
-
- 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 present invention relates to a no-frost refrigerator with an evaporator assembly.
- Such an assembly conventionally comprises an evaporator, a box-like support delimiting an evaporator chamber in the body of the refrigeration device, in which an air inlet and an air outlet passage to the evaporator chamber are formed and in which the evaporator is housed, and a fan which is located at the air outlet passage of Carrier is attached to push air from the carrier in an air duct over which it reaches a cold room of the refrigerator.
- the fan is mounted directly on a portion of a support wall in which the air outlet opening is formed and which is connected to the rest of the wall by a circumferential flexible rubber lip and thus damped vibrated. A rear wall of an adjoining the air outlet opening air channel is locked in slots of the rubber lip.
- the attachment of the fan to the oscillatable portion of the support wall causes the motor of the fan covers a part of the cross section of the air outlet opening.
- the diameter of the air outlet opening must be made large.
- the weight of the fan exerts a torque on the oscillatory portion, which acts on an inclination of the oscillatory portion and biases the rubber lip.
- the flexibly flexible rubber lip under pressure makes it difficult to lock the air duct rear wall.
- Object of the present invention is to provide an easy to install evaporator assembly, which allows a compact design.
- an evaporator assembly comprising an evaporator, a housing surrounding the evaporator, wherein in a wall of the housing, a passage to an air duct is formed, and a vibration-mounted on the passage mounted fan, wherein the fan of a passage opposite wall element of the air duct is worn and the wall element is fixed to the housing via vibration damping elements.
- This type of attachment of the fan allows the motor to be spaced from the air passage opening so that it does not restrict it and the entire cross-sectional area of the passage is usable. The dimensions of the passage can therefore be kept small.
- the vibration damping elements are preferably buffers of an elastically deformable material.
- Such a buffer may have a circumferential groove, in each of which engages a selected under wall element and carrier part. The other part can then form a plug-in connection of pin and socket together with the buffer.
- first web which is integrally formed on an outer side of the carrier projecting, and a part of the wall element forming the second web a labyrinth seal.
- the two webs are preferably arranged without contact surrounding each other.
- the vibration damping elements are preferably plug-connected to the wall element and / or to the carrier. At least a first of the vibration damping elements in the plug-connected state should form a pivot point for a pivoting movement - preferably two of the vibration damping elements form an axis - and in the course of pivoting defined by the pivot point or the axis at least one further vibration damping element is plugged.
- This further vibration-damping element is preferably locked in the plug-connected state.
- FIG. 1 shows a schematic section through the upper region of a no-frost
- Refrigeration device which is equipped with an evaporator assembly according to the invention
- Fig. 2 is a perspective view of the carrier of the evaporator assembly and a fan-carrying wall element
- FIG. 4 is a front view of the wall element according to a first embodiment
- Fig. 5 is a perspective view of a rubber buffer
- FIG. 6 shows a detail of a wall element according to a second embodiment
- Fig. 7 is a view of the wall element without fan, seen from the rear side.
- Fig. 1 shows a schematic section through the upper portion of a refrigerator according to the invention.
- the refrigerator has a body 1 and a door 2, which are each realized in a conventional manner as filled with a heat-insulating foam layer 3 hollow body.
- the interior of the body 1 is divided by a likewise heat-insulating partition wall 4 into an evaporator chamber 5 and a cooling compartment 6.
- the partition 4 is formed by the bottom of a housing-like support 7 for an evaporator assembly on which a conventional finned evaporator 8 is mounted.
- the carrier 7 is mounted at a distance from the ceiling of the body 1 and is adjacent - A -
- the carrier 7 further has an air inlet passage 9 on its side facing the door 2 and an air outlet passage 10 on its side facing the rear wall of the body 1.
- a fan 1 1 with paddle wheel 12 and motor 13 is housed, the air from the evaporator chamber 5 subtracts and presses into an air channel 14.
- the air duct 14 extends only through the partition wall 4 and opens into the immediately below the cooling compartment 6.
- the air duct 14 could alternatively be guided within the rear wall of the body 1 and with a plurality of through holes to the cooling compartment Be provided 6, over which the cold air flowing in the air duct over the height of the cooling compartment 6 evenly distributed.
- a valve could be provided in the air duct 14, which selectively feeds the cold air flow via various branches of the air duct to one of a plurality of compartments of the refrigeration appliance, for example the refrigerated compartment 6 and a freezer compartment, not shown.
- FIG. 2 shows a perspective view of the substantially plastic injection-molded carrier 7 and a bowl-shaped wall element 15 to be mounted on it.
- the circular air outlet passage 10 is located in a substantially flat rear wall 16 of the carrier 7. Concentrically with the passage 10, there is a circular arc curved web 17 from the rear wall 16 from.
- the wall element 15 has a flat, in the Fig. As well as in the assembled state vertically oriented bottom 18 and a right angle projecting from the bottom 18, extending in a circular arc web 19, in the assembled state shown in Fig. 3 of the carrier 7 and of the wall element 15 engages around the web 17 of the carrier 7 with little play. Even in the assembled state, neither the front edge of the web 19 touch the rear wall 16 nor the rear edge of the web 17 the bottom 18.
- a connection between the carrier 7 and the wall member 15 thus consists in the assembled state exclusively on upper and lower rubber buffers 20 and 21, so that a direct, undamped transmission of vibrations of the attached to the wall member 15 motor 13 is excluded on the carrier 7.
- the rubber bumpers 20, 21 have the same shape shown in FIG. 5 in a perspective view. They each have a substantially cylindrical body with an axially continuous bore 22 and, adjacent to an end face of the cylinder, a circumferential outer groove 23 and a subsequent to the groove 23 support flange 24th
- the upper two rubber buffers 20 are respectively inserted into holes of the rear wall 16, so that the rear wall 16 engages in the circumferential groove 23 of the rubber buffer 20.
- the bore 22 of the buffer 20 is oriented horizontally.
- the lower buffers 21 are mounted with vertically oriented bore on two wings 25 with L-shaped cross section, which protrude laterally from the web 19 of the wall member 15 adjacent to its lower edge. Below the wings 25 extends a horizontal ledge 26 of the carrier 7, on which two upright pins 27 are formed.
- One of the pins 27 is covered in Fig. 2 by the wall element 15.
- the assembly of the wall element 15 on the carrier 7 takes place by first the lower rubber buffers 21 of the somewhat obliquely held wall element 15 are attached from above onto the pins 27.
- the wall element 15 is pivotable about a horizontal axis passing through the two pins 27 and is pivoted about this axis in a vertical orientation, in which two Sleeves 28 which are formed on projecting in the upper region of the wall member 15 arms 29 are placed over the attached to the rear wall 16 rubber buffer 20.
- the support flanges 24 of the rubber bumpers 20 hold the sleeves 28 spaced from the rear wall 16.
- Diameter of the sleeves 28 and the buffer 20 are adapted to each other so that the
- FIG. 4 shows a perspective view of the side of the wall element 15 facing the carrier 7, which shows the paddle wheel 12.
- the impeller 12 has a bottom plate 18 of the wall member 15 adjacent circular base plate 30, from which a plurality of spiral blades 31 projects.
- Fig. 6 is a perspective view of a fragment of the wall member 15 according to a second embodiment of the invention.
- the arm 29 is here provided with a pin 32 which is aligned to engage in the holes 22 of the upper rubber buffer 20 when the wall element 15 is pivoted about the axis defined by the lower rubber buffers 21 against the rear wall 16 to enforce them and to hook with a thickened free end on the inside of the rubber buffer 20, inside the carrier 7.
- the pin 32 may, as shown in the figure, be slotted in order to pass through the bore 22 easier, but this is not absolutely necessary due to the flexibility of the rubber buffers 20.
- Fig. 7 is a perspective view of the wall member 15, seen from the rear, without mounted fan 1 1.
- a U-shaped bracket 33 From the outside of the bottom 18 is a U-shaped bracket 33 from which is stiffened by protruding in a horizontal plane ribs 34 , An upwardly open notch 35 in the bracket 33 carries a bearing 36 which serves to suspend the shaft of the motor 13.
- a wedge-shaped, narrowing towards the center of the bottom 18 toward slot 37 is formed.
- the two bearings 36, 38 are first connected to the shaft of the motor 13 and then the front portion of the Shaft with the bearing 38 in the upper portion of the slot 37 introduced.
- motor 13 is displaced downwards together with the bearings 36, 38, the bearings 36, 38 reach their positions shown in Fig. 7, and the motor 13 is held between them.
- the paddle wheel 12 is attached to the projecting beyond the inside of the bottom 18 portion of the shaft.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Power Engineering (AREA)
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Defrosting Systems (AREA)
- Vibration Prevention Devices (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200520014370 DE202005014370U1 (de) | 2005-09-12 | 2005-09-12 | No-Frost-Kältegerät |
PCT/EP2006/066093 WO2007031457A2 (de) | 2005-09-12 | 2006-09-07 | No-frost-kältegerät |
Publications (1)
Publication Number | Publication Date |
---|---|
EP1926947A2 true EP1926947A2 (de) | 2008-06-04 |
Family
ID=36776584
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP06793293A Withdrawn EP1926947A2 (de) | 2005-09-12 | 2006-09-07 | No-frost-kältegerät |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1926947A2 (de) |
CN (1) | CN101263351A (de) |
DE (1) | DE202005014370U1 (de) |
RU (1) | RU2405118C2 (de) |
WO (1) | WO2007031457A2 (de) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SI22310A (sl) * | 2006-06-02 | 2007-12-31 | Gorenje Gospodinjski Aparati, D.D. | Modularno zasnovana hladilna enota |
KR101265638B1 (ko) * | 2007-03-30 | 2013-05-22 | 엘지전자 주식회사 | 덕트 일체형 증발기 및 이를 구비한 냉장고 |
DE202007015310U1 (de) | 2007-06-28 | 2008-11-06 | Liebherr-Hausgeräte Ochsenhausen GmbH | Verdampfermodul sowie Kühl- und/oder Gefriergerät mit einem derartigen Verdampfermodul |
DE102009003263A1 (de) * | 2009-05-20 | 2010-11-25 | BSH Bosch und Siemens Hausgeräte GmbH | No-Frost-Kältegerät |
DE102009029129A1 (de) | 2009-09-02 | 2011-03-03 | BSH Bosch und Siemens Hausgeräte GmbH | Kältegerät mit einer Halteklammer für einen Lüftermotor |
DE102009045341A1 (de) * | 2009-10-05 | 2011-04-07 | BSH Bosch und Siemens Hausgeräte GmbH | Kältegerät mit Ventilator |
DE102009045342A1 (de) * | 2009-10-05 | 2011-04-07 | BSH Bosch und Siemens Hausgeräte GmbH | Kältegerät mit Ventilator |
DE102009060083A1 (de) * | 2009-11-04 | 2011-05-12 | Liebherr-Hausgeräte Lienz Gmbh | Kühl- und/oder Gefriergerät |
DE102012201883A1 (de) * | 2012-02-09 | 2013-08-14 | BSH Bosch und Siemens Hausgeräte GmbH | Kältegerät mit einem Lüfter |
EP2639532A3 (de) * | 2012-03-13 | 2014-10-01 | Indesit Company Beyaz Esya Sanayi ve Ticaret Anonim Sirketi | Geneigt montierte Gebläsestruktur |
DE102012218347A1 (de) | 2012-10-09 | 2014-05-15 | BSH Bosch und Siemens Hausgeräte GmbH | Lüftereinheit |
PL2936011T3 (pl) * | 2012-12-24 | 2017-05-31 | Arçelik Anonim Sirketi | Układ do mocowania kasety wentylatora parownika dla lodówki |
EP2975341B2 (de) | 2013-03-05 | 2023-12-27 | LG Electronics Inc. | Kühlschrank |
CN103542672A (zh) * | 2013-10-31 | 2014-01-29 | 海信容声(广东)冰箱有限公司 | 一种冰箱 |
KR102289289B1 (ko) | 2017-03-10 | 2021-08-13 | 엘지전자 주식회사 | 냉장고 |
CN207333306U (zh) * | 2017-06-20 | 2018-05-08 | 博西华电器(江苏)有限公司 | 冰箱及其风扇总成 |
CN110160284B (zh) * | 2019-04-15 | 2021-09-21 | 合肥华凌股份有限公司 | 制冷设备 |
CN113531980B (zh) * | 2020-01-09 | 2023-05-16 | 青岛海尔电冰箱有限公司 | 家用电器 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2962870A (en) * | 1958-01-20 | 1960-12-06 | Revco Inc | Defrosting system and apparatus |
JPH0735942B2 (ja) * | 1985-06-12 | 1995-04-19 | 株式会社日立製作所 | 冷蔵庫用送風装置 |
JP2564286B2 (ja) * | 1986-10-29 | 1996-12-18 | 株式会社日立製作所 | 空気清浄装置 |
JP3518906B2 (ja) * | 1994-09-30 | 2004-04-12 | 株式会社日立製作所 | 冷凍冷蔵庫 |
DE19712228B4 (de) * | 1997-03-24 | 2006-04-13 | Behr Gmbh & Co. Kg | Befestigungsvorrichtung für einen Gebläsemotor |
JP2001059670A (ja) * | 1999-08-20 | 2001-03-06 | Fujitsu General Ltd | 冷蔵庫 |
JP2003314500A (ja) * | 2002-04-19 | 2003-11-06 | Toshiba Corp | 送風機及び冷蔵庫 |
JP4082925B2 (ja) * | 2002-05-02 | 2008-04-30 | ホシザキ電機株式会社 | 冷却庫 |
JP2004047835A (ja) * | 2002-07-12 | 2004-02-12 | Ricoh Co Ltd | 支持部材、ファン、画像形成装置 |
-
2005
- 2005-09-12 DE DE200520014370 patent/DE202005014370U1/de not_active Expired - Lifetime
-
2006
- 2006-09-07 EP EP06793293A patent/EP1926947A2/de not_active Withdrawn
- 2006-09-07 WO PCT/EP2006/066093 patent/WO2007031457A2/de active Application Filing
- 2006-09-07 RU RU2008111570/21A patent/RU2405118C2/ru not_active IP Right Cessation
- 2006-09-07 CN CNA200680033298XA patent/CN101263351A/zh active Pending
Non-Patent Citations (1)
Title |
---|
None * |
Also Published As
Publication number | Publication date |
---|---|
CN101263351A (zh) | 2008-09-10 |
WO2007031457A2 (de) | 2007-03-22 |
RU2405118C2 (ru) | 2010-11-27 |
RU2008111570A (ru) | 2009-10-20 |
WO2007031457A3 (de) | 2007-05-24 |
DE202005014370U1 (de) | 2006-07-20 |
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RIC1 | Information provided on ipc code assigned before grant |
Ipc: F04D 29/66 20060101ALI20181025BHEP Ipc: F25D 17/06 20060101AFI20181025BHEP Ipc: H02K 5/24 20060101ALI20181025BHEP Ipc: F25D 23/00 20060101ALN20181025BHEP |
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