DE60222823D1 - Indoor unit and air conditioning - Google Patents

Indoor unit and air conditioning

Info

Publication number
DE60222823D1
DE60222823D1 DE60222823T DE60222823T DE60222823D1 DE 60222823 D1 DE60222823 D1 DE 60222823D1 DE 60222823 T DE60222823 T DE 60222823T DE 60222823 T DE60222823 T DE 60222823T DE 60222823 D1 DE60222823 D1 DE 60222823D1
Authority
DE
Germany
Prior art keywords
taken
degrees
air duct
casing
range
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
DE60222823T
Other languages
German (de)
Inventor
Kazuhiro Suzuki
Yuuji Okada
Kenichi Miyazawa
Hajime Izumi
Kiyoshi Suenaga
Tetsuo Tominaga
Fumio Kondou
Masashi Maeno
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.)
Mitsubishi Heavy Industries Ltd
Original Assignee
Mitsubishi Heavy Industries Ltd
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 JP2001084413A external-priority patent/JP3564414B2/en
Priority claimed from JP2001084416A external-priority patent/JP2002276585A/en
Priority claimed from JP2001084415A external-priority patent/JP3621892B2/en
Priority claimed from JP2001084414A external-priority patent/JP2002276975A/en
Application filed by Mitsubishi Heavy Industries Ltd filed Critical Mitsubishi Heavy Industries Ltd
Application granted granted Critical
Publication of DE60222823D1 publication Critical patent/DE60222823D1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F04D29/40—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
    • F04D29/422—Discharge tongues
    • 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
    • F04D29/663—Sound attenuation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0011—Indoor units, e.g. fan coil units characterised by air outlets
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0018—Indoor units, e.g. fan coil units characterised by fans
    • F24F1/0025—Cross-flow or tangential fans

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Air-Conditioning Room Units, And Self-Contained Units In General (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Air-Flow Control Members (AREA)

Abstract

In an indoor unit, when the fan diameter of a tangential fan (14) is taken to be D, and the width of the intake diaphragm provided on the upstream side of the inlet of an air duct (40) inside the casing is taken to be f, f/D is within the range of 0.002 to 0.003 (0.002 </= f/D </= 0.003). In addition, when the width of the outlet of an air duct (40) formed between the outer peripheral surface (14a) of a tangential fan (14) and the air duct wall surface (41) of the casing is taken to be Wo, Wo/D is 0.55 or less (Wo/D </= 0.55). In addition, when a line extending in the direction of flow along the upper surface that forms the discharge port serving as the air duct outlet in the casing is taken to be a, the stabilizer tongue end angle alpha , which is formed between the surface of the stabilizer opposing tangential fan (14) and the extended line a, is within the range of 50 degrees to 60 degrees (50 degrees </= alpha </=60 degrees). In addition, when the distance between the extended line a and a tangent b of the fan diameter D parallel to said extended line a is taken to be d, d/D is within the range of -0.2 to 0.2 (-0.2 </= d/D </= 0.2). <IMAGE>
DE60222823T 2001-03-23 2002-03-21 Indoor unit and air conditioning Expired - Lifetime DE60222823D1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2001084413A JP3564414B2 (en) 2001-03-23 2001-03-23 Indoor unit and air conditioner
JP2001084416A JP2002276585A (en) 2001-03-23 2001-03-23 Indoor unit and air conditioner
JP2001084415A JP3621892B2 (en) 2001-03-23 2001-03-23 Indoor unit and air conditioner
JP2001084414A JP2002276975A (en) 2001-03-23 2001-03-23 Indoor unit and air conditioner

Publications (1)

Publication Number Publication Date
DE60222823D1 true DE60222823D1 (en) 2007-11-22

Family

ID=27482133

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60222823T Expired - Lifetime DE60222823D1 (en) 2001-03-23 2002-03-21 Indoor unit and air conditioning

Country Status (5)

Country Link
EP (1) EP1243864B1 (en)
CN (1) CN1282853C (en)
AT (1) ATE375483T1 (en)
DE (1) DE60222823D1 (en)
ES (1) ES2291387T3 (en)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100343595C (en) * 2003-05-20 2007-10-17 乐金电子(天津)电器有限公司 Fan hood for air conditioner indoor machine
JP4873845B2 (en) * 2004-10-01 2012-02-08 三菱電機株式会社 Air conditioner
KR20090040690A (en) 2007-10-22 2009-04-27 엘지전자 주식회사 Air conditioner
CN103486669B (en) * 2012-06-13 2016-03-23 珠海格力电器股份有限公司 Indoor set
CN103486661B (en) * 2012-06-13 2016-08-03 珠海格力电器股份有限公司 Air pipe indoor machine
JP5862655B2 (en) * 2013-12-27 2016-02-16 ダイキン工業株式会社 Air conditioning indoor unit
DE112016000015B4 (en) 2016-03-17 2017-10-26 Komatsu Ltd. Control system for work vehicle, control method and work vehicle
ES2876158T3 (en) * 2016-09-30 2021-11-12 Daikin Ind Ltd Cross flow fan and indoor unit of an air conditioner equipped with it
CN107490066B (en) * 2017-08-25 2023-05-23 武汉凌达压缩机有限公司 Indoor unit and air conditioning system
CN107490067B (en) * 2017-08-25 2022-11-15 珠海凌达压缩机有限公司 Indoor unit and air conditioning system
CN107490064B (en) * 2017-08-25 2023-11-07 格力电器（武汉）有限公司 Indoor unit and air conditioning system
CN111997936B (en) * 2020-08-27 2021-04-06 华中科技大学 Adjustable volute tongue device and cross-flow fan
CN112253541A (en) * 2020-09-25 2021-01-22 宁波方太厨具有限公司 Volute profile generation method of centrifugal fan, volute and centrifugal fan
CN112432355B (en) * 2020-12-03 2022-06-28 珠海格力电器股份有限公司 Volute component, air supply component and air conditioning system
WO2022195834A1 (en) * 2021-03-19 2022-09-22 三菱電機株式会社 Indoor unit and air conditioning device
CN114636197B (en) * 2022-03-31 2023-09-08 广东美的白色家电技术创新中心有限公司 Cross-flow fan and air conditioner
CN114837974A (en) * 2022-06-07 2022-08-02 珠海格力电器股份有限公司 Cross-flow fan and air conditioning equipment

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4014625A (en) * 1973-08-20 1977-03-29 Teruo Yamamoto Transverse flow fan
JPH0771781A (en) * 1993-08-31 1995-03-17 Mitsubishi Heavy Ind Ltd Air conditioner
JP2642900B2 (en) * 1995-04-14 1997-08-20 三洋電機株式会社 Air conditioner
JP3497073B2 (en) * 1998-01-19 2004-02-16 三菱電機株式会社 Once-through blower
US5943878A (en) * 1998-05-22 1999-08-31 American Standard Inc. Tangential fan scroll and discharged diffuser design
JP2000009098A (en) * 1998-06-22 2000-01-11 Pacific Ind Co Ltd Wall type bath room heating/drying apparatus
JP4510172B2 (en) * 1999-04-05 2010-07-21 シャープ株式会社 Cross flow fan

Also Published As

Publication number Publication date
EP1243864A3 (en) 2003-01-02
CN1376878A (en) 2002-10-30
ES2291387T3 (en) 2008-03-01
EP1243864A2 (en) 2002-09-25
EP1243864B1 (en) 2007-10-10
ATE375483T1 (en) 2007-10-15
CN1282853C (en) 2006-11-01

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Legal Events

Date Code Title Description
8332 No legal effect for de