EP2220376B1 - Ventilateur - Google Patents

Ventilateur Download PDF

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Publication number
EP2220376B1
EP2220376B1 EP08848949.7A EP08848949A EP2220376B1 EP 2220376 B1 EP2220376 B1 EP 2220376B1 EP 08848949 A EP08848949 A EP 08848949A EP 2220376 B1 EP2220376 B1 EP 2220376B1
Authority
EP
European Patent Office
Prior art keywords
blower
discharge
discharge part
discharge parts
fan housing
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.)
Active
Application number
EP08848949.7A
Other languages
German (de)
English (en)
Other versions
EP2220376A4 (fr
EP2220376A2 (fr
Inventor
Sung-Ho Choi
Kyu-Young Kim
Jae-Myung Chin
Sang-Ryul Lee
Dong-Han Kim
Si-Young Choi
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.)
LG Electronics Inc
Original Assignee
LG Electronics Inc
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 claimed from KR1020070117561A external-priority patent/KR100924072B1/ko
Priority claimed from KR1020070117560A external-priority patent/KR100938383B1/ko
Application filed by LG Electronics Inc filed Critical LG Electronics Inc
Publication of EP2220376A2 publication Critical patent/EP2220376A2/fr
Publication of EP2220376A4 publication Critical patent/EP2220376A4/fr
Application granted granted Critical
Publication of EP2220376B1 publication Critical patent/EP2220376B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F04D29/40—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
    • F04D29/4246—Fan casings comprising more than one outlet

Definitions

  • the present disclosure relates to a fan, and more particularly, to a fan configured to discharge air in two directions.
  • An object of the present disclosure is to provide a fan adapted for more various applications.
  • a fan includes: a fan housing including at least one intake part and at least two discharge parts; and a rotatable blower in the fan housing the blower introducing air through the intake part and discharging the air through the discharge part, wherein minimum distances (D1)(D3) between an inner surface of the fan housing and an outer surface of the blower in upstream ends of the discharge parts in a rotation direction of the blower are greater than mininum distances (D2) (D4) between the inner surface of the fan housing and the outer surface of the blower in downstream ends of the discharge parts, and the mininum distance (D1)(D3) between the inner surface of the fan housing and the outer surface of the blower in the upstream end of one of the discharge parts in the rotation direction of the blower is greater than the minimum distance (D2)(D4) between the inner surface of the fan housing and the outer surface of the blower in the downstream end of another of the discharge parts adjacent in an opposite direction to the
  • a fan in another example, includes: a fan housing including at least one intake part and at least two discharge parts; and a rotatable blower in the fan housing the blower introducing air through the intake part and discharging the air through the discharge part, wherein cross-sectional flow areas between an inner surface of the fan housing and an outer surface of the blower in upstream ends of the discharge parts in a rotation direction of the blower are greater than cross-sectional flow areas between the inner surface of the fan housing and the outer surface of the blower in downstream ends of the discharge parts, and the cross-sectional flow area between the inner surface of the fan housing and the outer surface of the blower in the upstream end of one of the discharge parts in the rotation direction of the blower is greater than the cross-sectional flow area between the inner surface of the fan housing and the outer surface of the blower in the downstream end of another of the discharge parts adjacent in an opposite direction to the rotation direction of the blower.
  • a fan adapted for more various applications.
  • FIG. 1 is a perspective view illustrating the fan 100 according to the embodiment.
  • FIG. 2 is a cross-sectional view according to the embodiment.
  • the fan 100 includes a fan housing 110 and a blower 120.
  • the fan housing 110 includes an intake part 111, a first discharge part 113, and a second discharge part 115.
  • the blower 120 is rotatable in the fan housing 110 and radially discharges axially introduced air.
  • the intake part 111 is provided to one surface or two surfaces of the fan housing 110, and air is introduced through the intake part 111.
  • the first discharge part 113 and the second discharge part 115 are provided to the outer surface of the fan housing 110 in a manner where the first discharge part 113 and the second discharge part 115 are spaced a predetermined angle from each other.
  • the fan 100 may be referred to as a two-way fan adapted to discharge air in different directions from each other through the first discharge part 113 and the second discharge part 115.
  • the first discharge part 113 and the second discharge part 115 must satisfy the below inequalities.
  • the above conditions (1) and (2) must be satisfied to discharge air through the first discharge part 113 and the second discharge part 115.
  • the condition (3) is substantially satisfied to secure the amount of air through the first discharge part 113 and the second discharge part 115.
  • the ratio of air discharged through the first discharge part 113 and the second discharge part 115 is controlled by changing various conditions. That is, the ratio of air discharged through the first discharge part 113 and the second discharge part 115 is controlled by controlling the central angle A4 between the upstream end of the first discharge part 113 and the downstream end of the second discharge part 115, or the central angle A2 between the downstream end of the first discharge part 113 and the upstream end of the second discharge part 115.
  • the ratio in the amount of air discharged through the first discharge part 113 and the second discharge part 115 is substantially controlled by controlling the area of the first discharge part 113 or the area of the second discharge part 115.
  • the ratio in the amount of air discharged through the first discharge part 113 and the second discharge part 115 is controlled by controlling a difference in the minimun distances between the upstream end and the downstream end of the first discharge part 113, and the outer surface of the blower 120, and/or by controlling a difference in the minimum distances between the upstream end and the downstream end of the second discharge part 115, and the outer surface of the blower 120.
  • the ratio in the amount of air through the first discharge part 113 and the second discharge part 115 is controlled by controlling a difference in the minimum distances between the upstream end of the first discharge part 113 and the downstream end of the second discharge part 115, and the outer surface of the blower 120, and/or by controlling a difference in the mininum distances between the upstream end of the second discharge part 115 and the downstream end of the first discharge part 113, and the outer surface of the blower 120.
  • the ratio in the amount of air discharged through the first discharge part 113 and the second discharge part 115 can be controlled by changing various conditions of the fan 100. For example, when the central angle A4 between the upstream end of the first discharge part 113 and the downstream end of the second discharge part 115 is increased relative to the central angle A2 between the downstream end of the first discharge part 113 and the upstream end of the second discharge part 115, the ratio of the air discharged through the first discharge part 113 to the air discharged through the first discharge part 113 and the second discharge part 115 is increased. In addition, the air discharged through the second discharge part 115 is increased relative to the air discharged through the first discharge part 113, by relatively reducing the area of the first discharge part 113.
  • the mininum distances between the upstream end and the downstream end of the first discharge part 113, and the outer surface of the blower 120 are increased, the ratio of the air discharged through the first discharge part 113 to the entire air discharged through the first discharge part 113 and the second discharge part 115 is increased.
  • the mininum distances between the upstream end and the downstream end of the first discharge part 113, and the outer surface of the blower 120 are decreased, the ratio of the air discharged through the first discharge part 113 to the entire air discharged through the first discharge part 113 and the second discharge part 115 is decreased.
  • the ratio of the air discharged through the second discharge part 115 to the air discharged through the first discharge part 113 and the second discharge part 115 is relatively increased.
  • the single fan according to the embodiments discharges air in the two directions.
  • the single fan simultaneously cools components disposed at various positions, thereby relatively reducing the number of parts used to cool the component, and even when the number of fans to be used is limited, the positions of parts can be varied.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Constitution Of High-Frequency Heating (AREA)

Claims (10)

  1. Ventilateur comprenant :
    un carter de ventilateur (110) comportant au moins une partie d'admission (111) et au moins deux parties d'évacuation,
    les au moins deux parties d'évacuation comprenant une première partie d'évacuation (113) et une deuxième partie d'évacuation (115) ; et
    un rotor (120) rotatif dans le carter de ventilateur (110), ledit rotor (120) admettant de l'air par la partie d'admission (111) et évacuant l'air par la partie d'évacuation (113, 115),
    où la partie d'admission (111) est disposée sur une surface supérieure du carter de ventilateur (110) et les au moins deux parties d'évacuation (113, 115) sont disposées sur une surface latérale du carter de ventilateur (110),
    où un angle central (A1)(A3) entre l'extrémité amont de la partie d'évacuation sélectionnée et l'extrémité aval de la partie d'évacuation sélectionnée adjacente dans le sens de rotation du rotor (120) par rapport au centre de rotation du rotor (120), est égal ou inférieur à un angle central (A4)(A2) entre l'extrémité amont de la partie d'évacuation sélectionnée et l'extrémité aval d'une autre des parties d'évacuation adjacente dans le sens opposé au sens de rotation du rotor (120), caractérisé en ce que
    les distances minimales (D1)(D3) entre une surface intérieure du carter de ventilateur (110) et une surface extérieure du rotor (120) dans les extrémités amont des parties d'évacuation dans le sens de rotation du rotor (120) sont supérieures aux distances minimales (D2)(D4) entre la surface intérieure du carter de ventilateur (110) et la surface extérieure du rotor (120) dans les extrémités aval des parties d'évacuation, et la distance minimale (D1)(D3) entre la surface intérieure du carter de ventilateur (110) et la surface extérieure du rotor (120) dans l'extrémité amont d'une des parties d'évacuation dans le sens de rotation du rotor (120) est supérieure à la distance minimale (D2)(D4) entre la surface intérieure du carter de ventilateur (110) et la surface extérieure du rotor (120) dans l'extrémité aval d'une autre des parties d'évacuation adjacente dans le sens opposé au sens de rotation du rotor.
  2. Ventilateur selon la revendication 1, où un taux d'air évacué par les parties d'évacuation (113, 115) est réglé par commande d'une différence de distances minimales entre la surface intérieure du carter de ventilateur (110) et la surface extérieure du rotor (120) dans les extrémités amont ou les extrémités aval des parties d'évacuation.
  3. Ventilateur selon la revendication 1, où un taux d'air évacué par les parties d'évacuation est réglé par commande d'une différence entre la distance minimale entre la surface intérieure du carter de ventilateur et la surface extérieure du rotor dans l'extrémité aval d'une des parties d'évacuation, et la distance minimale entre la surface intérieure du carter de ventilateur et la surface extérieure du rotor dans l'extrémité amont d'une autre des parties d'évacuation adjacente dans le sens opposé au sens de rotation du rotor.
  4. Ventilateur selon la revendication 1, où un taux d'air évacué par les parties d'évacuation (113, 115) est réglé par commande d'un angle central entre l'extrémité amont de la partie d'évacuation sélectionnée et l'extrémité aval de la partie d'évacuation sélectionnée adjacente dans le sens de rotation du rotor (120) par rapport au centre de rotation du rotor (120).
  5. Ventilateur selon la revendication 1, où un taux d'air évacué par les parties d'évacuation (113, 115) est réglé par commande d'un angle central entre l'extrémité amont de la partie d'évacuation sélectionnée et l'extrémité aval d'une autre des parties d'évacuation adjacente dans le sens opposé au sens de rotation du rotor.
  6. Ventilateur comprenant :
    un carter de ventilateur (110) comportant au moins une partie d'admission (111) et au moins deux parties d'évacuation,
    les au moins deux parties d'évacuation comprenant une première partie d'évacuation (113) et une deuxième partie d'évacuation (115) ; et
    un rotor (120) rotatif dans le carter de ventilateur (110), ledit rotor (120) admettant de l'air par la partie d'admission (111) et évacuant l'air par la partie d'évacuation (113, 115),
    où la partie d'admission (111) est disposée sur une surface supérieure du carter de ventilateur (110) et les au moins deux parties d'évacuation (113, 115) sont disposées sur une surface latérale du carter de ventilateur (110),
    où un angle central (A1)(A3) entre l'extrémité amont de la partie d'évacuation sélectionnée et l'extrémité aval de la partie d'évacuation sélectionnée adjacente dans le sens de rotation du rotor (120) par rapport au centre de rotation du rotor (120), est égal ou inférieur à un angle central (A4)(A2) entre l'extrémité amont de la partie d'évacuation sélectionnée et l'extrémité aval d'une autre des parties d'évacuation adjacente dans le sens opposé au sens de rotation du rotor (120), caractérisé en ce que
    les sections transversales d'écoulement entre une surface intérieure du carter de ventilateur (110) et une surface extérieure du rotor (120) dans les extrémités amont des parties d'évacuation dans un sens de rotation du rotor (120) sont supérieures aux sections transversales d'écoulement entre la surface intérieure du carter de ventilateur (110) et la surface extérieure du rotor (120) dans les extrémités aval des parties d'évacuation, et
    la section transversale d'écoulement entre la surface intérieure du carter de ventilateur (110) et la surface extérieure du rotor (120) dans l'extrémité amont d'une des parties d'évacuation dans le sens de rotation du rotor (120) est supérieure à la section transversale d'écoulement entre la surface intérieure du carter de ventilateur (110) et la surface extérieure du rotor (120) dans l'extrémité aval d'une autre des parties d'évacuation adjacente dans le sens opposé au sens de rotation du rotor (120).
  7. Ventilateur selon la revendication 6, où un taux d'air évacué par les parties d'évacuation (113, 115) est réglé par commande d'une différence dans les sections transversales d'écoulement entre la surface intérieure du carter de ventilateur (110) et la surface extérieure du rotor (120) dans les extrémités amont ou les extrémités aval des parties d'évacuation (113, 115).
  8. Ventilateur selon la revendication 6, où un taux d'air évacué par les parties d'évacuation (113, 115) est réglé par commande d'une différence entre la section transversale d'écoulement entre la surface intérieure du carter de ventilateur (110) et la surface extérieure du rotor (120) dans l'extrémité aval d'une des parties d'évacuation (113, 115), et la section transversale d'écoulement entre la surface intérieure du carter de ventilateur (110) et la surface extérieure du rotor (120) dans l'extrémité amont d'une autre des parties d'évacuation (113, 115) adjacente dans le sens opposé au sens de rotation du rotor (120).
  9. Ventilateur selon la revendication 6, où un taux d'air évacué par les parties d'évacuation (113, 115) est réglé par commande d'un angle central entre l'extrémité amont de la partie d'évacuation sélectionnée et l'extrémité aval de la partie d'évacuation sélectionnée adjacente dans le sens de rotation du rotor (120) par rapport au centre de rotation du rotor (120).
  10. Ventilateur selon la revendication 6, où un taux d'air évacué par les parties d'évacuation (113, 115) est réglé par commande d'un angle central entre l'extrémité amont d'une des parties d'évacuation et l'extrémité aval d'une autre des parties d'évacuation adjacente dans le sens opposé au sens de rotation du rotor (120).
EP08848949.7A 2007-11-16 2008-11-17 Ventilateur Active EP2220376B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR1020070117561A KR100924072B1 (ko) 2007-11-16 2007-11-16 팬 및 이를 포함하는 전자레인지
KR1020070117560A KR100938383B1 (ko) 2007-11-16 2007-11-16 전자레인지
PCT/KR2008/006768 WO2009064148A2 (fr) 2007-11-16 2008-11-17 Ventilateur

Publications (3)

Publication Number Publication Date
EP2220376A2 EP2220376A2 (fr) 2010-08-25
EP2220376A4 EP2220376A4 (fr) 2016-04-27
EP2220376B1 true EP2220376B1 (fr) 2017-08-16

Family

ID=40639333

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08848949.7A Active EP2220376B1 (fr) 2007-11-16 2008-11-17 Ventilateur

Country Status (3)

Country Link
US (1) US20110008161A1 (fr)
EP (1) EP2220376B1 (fr)
WO (1) WO2009064148A2 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016103022A1 (de) * 2016-02-22 2017-08-24 Claas Selbstfahrende Erntemaschinen Gmbh Reinigungsgebläse
US10694678B2 (en) * 2018-04-29 2020-06-30 Deere & Company Combine harvester fan housing assembly

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2330938A (en) * 1941-11-14 1943-10-05 Torrington Mfg Co Multiple outlet blower assembly
GB772888A (en) * 1954-12-21 1957-04-17 Poul Richard Christensen Fan housing
FR1495696A (fr) * 1966-09-30 1967-09-22 Alexander Dunn Ltd Appareils de chauffage à accumulation
JPS4896748U (fr) * 1972-02-18 1973-11-16
US4002109A (en) * 1972-12-28 1977-01-11 Matsushita Electric Industrial Co., Ltd. Blower
JPS62118097A (ja) * 1985-11-18 1987-05-29 Matsushita Electric Ind Co Ltd 遠心型送風機
KR920002386Y1 (ko) * 1990-03-30 1992-04-10 삼성전자 주식회사 냉장고의 냉기 공급 안내 장치
JP3928261B2 (ja) * 1997-09-03 2007-06-13 株式会社デンソー 車両用空調装置
US20020119044A1 (en) * 2001-02-26 2002-08-29 O'connor, John F. Centrifugal blower with partitioned scroll diffuser
JP2003214398A (ja) * 2002-01-23 2003-07-30 Sharp Corp 送風装置及びこれを備えた加熱調理器

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
WO2009064148A3 (fr) 2010-07-15
WO2009064148A2 (fr) 2009-05-22
US20110008161A1 (en) 2011-01-13
EP2220376A4 (fr) 2016-04-27
EP2220376A2 (fr) 2010-08-25

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