EP1488109B1 - Fan housing - Google Patents

Fan housing Download PDF

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Publication number
EP1488109B1
EP1488109B1 EP03715911A EP03715911A EP1488109B1 EP 1488109 B1 EP1488109 B1 EP 1488109B1 EP 03715911 A EP03715911 A EP 03715911A EP 03715911 A EP03715911 A EP 03715911A EP 1488109 B1 EP1488109 B1 EP 1488109B1
Authority
EP
European Patent Office
Prior art keywords
motor
rear cover
fan
fan housing
motor box
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.)
Expired - Lifetime
Application number
EP03715911A
Other languages
German (de)
French (fr)
Other versions
EP1488109A1 (en
Inventor
Emine Erden
Hakan Ünal
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.)
Arcelik AS
Original Assignee
Arcelik AS
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 Arcelik AS filed Critical Arcelik AS
Publication of EP1488109A1 publication Critical patent/EP1488109A1/en
Application granted granted Critical
Publication of EP1488109B1 publication Critical patent/EP1488109B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F04D29/64—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
    • 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
    • F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
    • 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
    • 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
    • F25D2317/068—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

Definitions

  • This invention is related to a fan housing used in domestic appliances and preferably in refrigerators.
  • fans which are used to create air circulation in the refrigerating equipment, are housed in a fan housing for the bearing of the driving motor and for user safety.
  • the object of this invention is to realize a fan housing that is used in domestic appliances and preferably in refrigerators that can be easily mounted and provides the security requirements defined in the norms.
  • Domestic appliances and especially refrigerators comprise a fan (15) and a fan housing (1), in which the fan (15) is placed to prevent the fan (15) to contact any other object and to prevent injury of the user and to provide its mounting on the wall of the refrigerating equipment.
  • Said fan (15) has a fan wheel (2) to increase the air circulation (2) and a motor (3) that drives the fan wheel (2).
  • the fan housing (1) comprises a front cover which protects the fan wheel (2), a rear cover (5) and a motor box (6), into which the motor (3) is placed.
  • the front cover (4) includes one or more windows to guide air.
  • the motor (3) includes a shaft (7) which transmits the movement to the fan wheel (2) attached thereto and a cable group (8).
  • the rear cover (5) includes a recess (11) into which the motor box (6) is placed and a protector (10) which covers the motor (3) and the cable group (8).
  • the motor box (6) comprises a motor chamber (14) into which the motor (3) is placed and one or more bearings (12) where the shaft (7) is beared by one or more washers (13).
  • the fan housing (1) is fixed to the refrigerating equipment, at first the motor (3) placed in the motor box (6) that is located in the motor chamber by bearing it by means of the washers. Then, the motor box (6) is fixed to the rear cover (5) from the front or from the rear. Rear cover (5) is attached to the refrigerator body and then the fan (10) and the front cover (4) are assembled respectively to complete the assembly.
  • the motor box (6) may be fixed to the rear cover (5) by snap-fit coupling.
  • the front cover (4) is attached to the rear cover (5) and the rear cover is attached to the body of the refrigerator by one or more screws.
  • rear cover is attached to the body of the refrigerator by two or more screws, and the front cover (4) is attached to the rear cover (5) by one screw.
  • the motor box (6) may not be accessed without removing the screw on the front cover (4).
  • the motor box (6) may be attached to the rear cover (5) and removed thereof from front or back side. (5) ( Figure 4a, Figure 4b).
  • the fan housing (1) comprises a front cover (4) which protects the fan wheel (2), a rear cover (105) and a motor box (106) into which the motor (3) is mounted.
  • a protector (110) has been integrated into the motor box (106) and is manufactured as a single part.
  • the protector (110) is on the motor box (106) and formed so as to open or close.
  • the material thickness is reduced at the joint of the motor box (106) and the protector (110).
  • the protector (110) may move around the joint and the motor (3) may easily be installed into the motor box and then the protection of the motor (3) is provided by snap-fit coupling of the protector (110) onto the motor box (106).
  • the rear cover (105) includes a recess (11) into which the motor box (106) may be attached to the rear cover (105) and removed from front or back sides ( Figure 5).
  • Motor vibration is reduced since the motor (3) is beared by hanging from the motor box (6,106).
  • the heating of the motor (3) is prevented by the air circulation area formed between the motor (3) and the motor box (6, 106)

Abstract

The invention is related to a fan housing (1), which is used in the domestic appliances , preferably in the refrigerators into which a fan (15), which comprises fan wheel (2) which is used to increase the air circulation and the motor (3), which drives the fan wheel (2), is mounted to prevent the fan wheel (2) and the motor (3) to contact with another object and the injury of the user and to provide mounting onto the appliance body.

Description

  • This invention is related to a fan housing used in domestic appliances and preferably in refrigerators.
  • In the state of art, fans, which are used to create air circulation in the refrigerating equipment, are housed in a fan housing for the bearing of the driving motor and for user safety.
  • In US Patent No. 3206148 a two-piece bracket system which includes connection members and bolt holes for bearing the fan motor is disclosed.
  • In EP No. 0242342 , coupling of the carrier arms that are projected from the motor housing by a short rotary movement after their fitting into the recesses in the attachment unit is disclosed.
  • In EP No. 0591665 , a system comprising a fan motor that is beared by a two part housing, one of which is formed together with the rear cover and mounted together by means of detent means.
  • In DE No. 19756859 , a system, in which a chamber which covers a motor is placed outside a chamber which covers the fan wheel and these two areas are separated by a wall from each other and the shaft of the motor is beared by a recess in the said wall at one end and in the other end the shaft is beared by a part which is fitted as an addition, is defined.
  • The object of this invention is to realize a fan housing that is used in domestic appliances and preferably in refrigerators that can be easily mounted and provides the security requirements defined in the norms.
  • The fan housing realized to attain the object of the invention has been illustrated in the attached drawings wherein;
    • Figure 1 is the exploded view of the fan housing,
    • Figure 2 is the perspective view of the fan housing,
    • Figure 3 is the perspective view of the assembled motor box and the rear cover,
    • Figure 4a is the perspective view of the mounting of the motor box to the rear cover from the rear side,
    • Figure 4b is the perspective view of the mounting of the motor box to the rear cover from the front side,
    • Figure 5 is the perspective view of the mounting of a motor box which has a protector to the rear cover.
  • The components shown in the drawings have been numbered as follows:
    • 1. Fan Housing
    • 2. Fan wheel
    • 3. Motor
    • 4. Front Cover
    • 5,105 Rear Cover
    • 6,106 Motor Box
    • 7. Shaft
    • 8. Cable Group
    • 9. Window
    • 10,110 Protector
    • 11. Recess
    • 12. Bearing
    • 13. Washer
    • 14. Motor chamber
    • 15. Fan
  • Domestic appliances and especially refrigerators comprise a fan (15) and a fan housing (1), in which the fan (15) is placed to prevent the fan (15) to contact any other object and to prevent injury of the user and to provide its mounting on the wall of the refrigerating equipment. Said fan (15) has a fan wheel (2) to increase the air circulation (2) and a motor (3) that drives the fan wheel (2).
  • The fan housing (1), according to the present invention comprises a front cover which protects the fan wheel (2), a rear cover (5) and a motor box (6), into which the motor (3) is placed.
  • The front cover (4), includes one or more windows to guide air.
  • The motor (3) includes a shaft (7) which transmits the movement to the fan wheel (2) attached thereto and a cable group (8).
  • The rear cover (5) includes a recess (11) into which the motor box (6) is placed and a protector (10) which covers the motor (3) and the cable group (8).
  • The motor box (6) comprises a motor chamber (14) into which the motor (3) is placed and one or more bearings (12) where the shaft (7) is beared by one or more washers (13).
  • While the fan housing (1) is fixed to the refrigerating equipment, at first the motor (3) placed in the motor box (6) that is located in the motor chamber by bearing it by means of the washers. Then, the motor box (6) is fixed to the rear cover (5) from the front or from the rear. Rear cover (5) is attached to the refrigerator body and then the fan (10) and the front cover (4) are assembled respectively to complete the assembly.
  • The motor box (6), may be fixed to the rear cover (5) by snap-fit coupling. The front cover (4) is attached to the rear cover (5) and the rear cover is attached to the body of the refrigerator by one or more screws. In a preferred embodiment, rear cover is attached to the body of the refrigerator by two or more screws, and the front cover (4) is attached to the rear cover (5) by one screw. Thus the motor box (6) may not be accessed without removing the screw on the front cover (4).
  • The motor box (6) may be attached to the rear cover (5) and removed thereof from front or back side. (5) (Figure 4a, Figure 4b).
  • In another embodiment of the invention, the fan housing (1) comprises a front cover (4) which protects the fan wheel (2), a rear cover (105) and a motor box (106) into which the motor (3) is mounted.
  • A protector (110) has been integrated into the motor box (106) and is manufactured as a single part. The protector (110) is on the motor box (106) and formed so as to open or close.
  • In the preferred embodiment, the material thickness is reduced at the joint of the motor box (106) and the protector (110). Thus, the protector (110), may move around the joint and the motor (3) may easily be installed into the motor box and then the protection of the motor (3) is provided by snap-fit coupling of the protector (110) onto the motor box (106).
  • The rear cover (105), includes a recess (11) into which the motor box (106) may be attached to the rear cover (105) and removed from front or back sides (Figure 5).
  • The possibility of attaching and removing the motor box (6, 106) to and from the rear cover (5, 105) in the desired direction, facilitates installation and maintenance.
  • Motor vibration is reduced since the motor (3) is beared by hanging from the motor box (6,106). The heating of the motor (3) is prevented by the air circulation area formed between the motor (3) and the motor box (6, 106)

Claims (7)

  1. A fan housing (1) to be used in domestic appliances, preferably in refrigerators,comprising a motor (3) which has a fan wheel (2) and a shaft (7), which includes a front cover (4) and a rear cover (5, 105) for protecting said fan wheel (2) and characterized by a motor box (6, 106) which is in the form of an open top box, which comprises a motor chamber (14) where the motor (3) is placed in and two integrated bearings (12) where the motor (3) is borne by being hanged.
  2. A fan housing (1), as in Claim 1, characterized in that, the motor box (6, 106) has slit like bearings (12) at the opposite upper sides.
  3. A fan housing (1) as in Claim 1, characterized in that, the motor box (6, 106) is fixed to the rear cover (5, 105) from the front or the rear of the rear cover (5, 105) by snap-fit coupling and removed thereof, from the front or back side of the rear cover (5, 105).
  4. A fan housing (1), as in Claim 1, characterized by a protector (10) placed in the rear cover (5) to cover the motor (3).
  5. A fan housing (1), as in Claim 1, characterized by a recess (11) that is placed on the rear cover (5, 105) to accommodate the motor box (6, 106).
  6. A fan housing (1), as in Claim 1, characterized by the motor box (6, 106) which comprises one or more washers (13) that provide the bearing of the shaft (7) onto which the fan wheel (2) is fitted to the bearings (12).
  7. A fan housing (1) as in Claim 1, characterized by the motor box (106) which comprises an integrated protector (110) that covers the motor (3) and which opens and closes over the motor box (106).
EP03715911A 2002-03-15 2003-03-14 Fan housing Expired - Lifetime EP1488109B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
TR200200696 2002-03-15
TR200200696 2002-03-15
PCT/TR2003/000015 WO2003078847A1 (en) 2002-03-15 2003-03-14 Fan housing

Publications (2)

Publication Number Publication Date
EP1488109A1 EP1488109A1 (en) 2004-12-22
EP1488109B1 true EP1488109B1 (en) 2007-08-22

Family

ID=28036760

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03715911A Expired - Lifetime EP1488109B1 (en) 2002-03-15 2003-03-14 Fan housing

Country Status (6)

Country Link
EP (1) EP1488109B1 (en)
AT (1) ATE371114T1 (en)
AU (1) AU2003219644A1 (en)
DE (1) DE60315812T2 (en)
ES (1) ES2292951T3 (en)
WO (1) WO2003078847A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007029178A1 (en) * 2007-06-25 2009-01-08 BSH Bosch und Siemens Hausgeräte GmbH Refrigeration unit with fan unit
DE102011102026A1 (en) * 2011-05-19 2012-11-22 Liebherr-Hausgeräte Lienz Gmbh fan position
CN111734662A (en) * 2020-08-17 2020-10-02 江苏恒康机电有限公司 Shockproof stainless steel fan

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3206148A (en) 1961-12-15 1965-09-14 Carrier Corp Motor mounting means
JPS51108271U (en) * 1975-02-28 1976-08-30
SE8601748L (en) 1986-04-17 1987-10-18 Pax Electro Prod Ab FLEKT
DE3704061C1 (en) * 1987-02-10 1988-08-18 Bosch Siemens Hausgeraete Refrigerator, in particular "no-frost" freezer
DE4234147A1 (en) 1992-10-09 1994-04-14 Bosch Siemens Hausgeraete Housing for an electrical device
DE9303162U1 (en) * 1993-03-04 1994-06-30 Bosch Gmbh Robert Device for receiving an electric motor
DE19756859A1 (en) 1997-12-19 1999-06-24 Bosch Siemens Hausgeraete Fan for assembly on wall

Also Published As

Publication number Publication date
AU2003219644A1 (en) 2003-09-29
ATE371114T1 (en) 2007-09-15
DE60315812D1 (en) 2007-10-04
WO2003078847A1 (en) 2003-09-25
ES2292951T3 (en) 2008-03-16
DE60315812T2 (en) 2008-05-15
EP1488109A1 (en) 2004-12-22

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