EP2405206A4 - Air conditioner - Google Patents

Air conditioner

Info

Publication number
EP2405206A4
EP2405206A4 EP10748543.5A EP10748543A EP2405206A4 EP 2405206 A4 EP2405206 A4 EP 2405206A4 EP 10748543 A EP10748543 A EP 10748543A EP 2405206 A4 EP2405206 A4 EP 2405206A4
Authority
EP
European Patent Office
Prior art keywords
blow
impeller
rotary shaft
side channel
blower
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.)
Granted
Application number
EP10748543.5A
Other languages
German (de)
French (fr)
Other versions
EP2405206B1 (en
EP2405206A1 (en
Inventor
Takashi Ikeda
Takahide Tadokoro
Seiji Hirakawa
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 Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of EP2405206A1 publication Critical patent/EP2405206A1/en
Publication of EP2405206A4 publication Critical patent/EP2405206A4/en
Application granted granted Critical
Publication of EP2405206B1 publication Critical patent/EP2405206B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • F24F1/0043—Indoor units, e.g. fan coil units characterised by mounting arrangements
    • F24F1/0057—Indoor units, e.g. fan coil units characterised by mounting arrangements mounted in or on a wall
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/24—Means for preventing or suppressing noise

Landscapes

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

Abstract

An inlet 2, a heat exchanger 7, a blow-out port 3, a blower 8 having an impeller 8a, disposed on the downstream side of the heat exchanger 7 and feeding said indoor air from the inlet 2 to the blow-out port 3, with a longitudinal direction of an air conditioner main body 1 as its rotary shaft direction L, a stabilizer 9 that separates a suction-side channel E1 on the upstream side of the impeller 8a and a blow-out-side channel E2 on the downstream side from each other and forms a front face side of the blow-out-side channel E2, a spiral guide wall 10 that forms a rear face side of the blow-out-side channel E2, and a stepped portion 14 disposed in a stepped shape in a blowing direction of the blower 8 at least in a part of the guide wall 10 and having a plurality of steps, each extending in a rotary shaft direction L and indented substantially in a triangular shape on a section perpendicular to the rotary shaft O of the impeller 8a are provided so that separation of a blow-out flow by a negative pressure generated by the step in the stepped shape is prevented, noise is lowered, and energy saving can be realized.
EP10748543.5A 2009-03-06 2010-03-05 Air conditioner Active EP2405206B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2009053647 2009-03-06
PCT/JP2010/001548 WO2010100944A1 (en) 2009-03-06 2010-03-05 Air conditioner

Publications (3)

Publication Number Publication Date
EP2405206A1 EP2405206A1 (en) 2012-01-11
EP2405206A4 true EP2405206A4 (en) 2013-12-18
EP2405206B1 EP2405206B1 (en) 2019-04-24

Family

ID=42709510

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10748543.5A Active EP2405206B1 (en) 2009-03-06 2010-03-05 Air conditioner

Country Status (4)

Country Link
EP (1) EP2405206B1 (en)
JP (1) JP5289554B2 (en)
CN (1) CN102326030B (en)
WO (1) WO2010100944A1 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5368487B2 (en) * 2011-01-11 2013-12-18 シャープ株式会社 Air conditioner
JP2012211746A (en) * 2011-03-31 2012-11-01 Mitsubishi Electric Corp Air conditioner
JP5533969B2 (en) 2012-09-28 2014-06-25 ダイキン工業株式会社 Air conditioner
JP5477441B2 (en) * 2012-09-28 2014-04-23 ダイキン工業株式会社 Air conditioner
WO2014097686A1 (en) 2012-12-19 2014-06-26 三菱電機株式会社 Air conditioner
JP5716766B2 (en) * 2013-02-12 2015-05-13 ダイキン工業株式会社 Air conditioner
JP6468416B2 (en) * 2013-09-30 2019-02-13 ダイキン工業株式会社 Cross flow fan and air conditioner indoor unit equipped with the same
JP6477737B2 (en) * 2017-01-31 2019-03-06 ダイキン工業株式会社 Indoor unit
JP6843721B2 (en) * 2017-09-27 2021-03-17 ダイキン工業株式会社 Air conditioner
CN108412807B (en) * 2018-04-03 2023-08-15 珠海格力节能环保制冷技术研究中心有限公司 Volute, fan assembly and air conditioner
KR102549804B1 (en) 2018-08-21 2023-06-29 엘지전자 주식회사 Air Conditioner

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0825390A2 (en) * 1996-08-23 1998-02-25 Mitsubishi Denki Kabushiki Kaisha Air conditioner indoor unit
JPH11294376A (en) * 1998-04-08 1999-10-26 Calsonic Corp Blower
JP2000205180A (en) * 1999-01-12 2000-07-25 Sharp Corp Cross flow fan and fluid feeding device using it

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08121398A (en) 1994-10-26 1996-05-14 Ishikawajima Harima Heavy Ind Co Ltd Blow-off device for turbocompressor
JPH08121396A (en) * 1994-10-28 1996-05-14 Matsushita Electric Ind Co Ltd Blower
JPH0979601A (en) * 1995-09-13 1997-03-28 Matsushita Electric Ind Co Ltd Cross flow blower
JP3497073B2 (en) * 1998-01-19 2004-02-16 三菱電機株式会社 Once-through blower
JP3695740B2 (en) * 1999-02-02 2005-09-14 松下電器産業株式会社 Air conditioner indoor unit
JP2002250534A (en) 2001-02-23 2002-09-06 Mitsubishi Heavy Ind Ltd Air conditioner
JP2002257078A (en) * 2001-02-26 2002-09-11 Matsushita Electric Ind Co Ltd Multi-bladed impeller and its manufacturing method
JP2002286244A (en) * 2001-03-26 2002-10-03 Mitsubishi Heavy Ind Ltd Air conditioner
JP4873845B2 (en) * 2004-10-01 2012-02-08 三菱電機株式会社 Air conditioner

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0825390A2 (en) * 1996-08-23 1998-02-25 Mitsubishi Denki Kabushiki Kaisha Air conditioner indoor unit
JPH11294376A (en) * 1998-04-08 1999-10-26 Calsonic Corp Blower
JP2000205180A (en) * 1999-01-12 2000-07-25 Sharp Corp Cross flow fan and fluid feeding device using it

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2010100944A1 *

Also Published As

Publication number Publication date
EP2405206B1 (en) 2019-04-24
JPWO2010100944A1 (en) 2012-09-06
JP5289554B2 (en) 2013-09-11
EP2405206A1 (en) 2012-01-11
WO2010100944A1 (en) 2010-09-10
CN102326030A (en) 2012-01-18
CN102326030B (en) 2014-12-31

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