US3805541A - Window-mounted air conditioning apparatus - Google Patents

Window-mounted air conditioning apparatus Download PDF

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Publication number
US3805541A
US3805541A US00294782A US29478272A US3805541A US 3805541 A US3805541 A US 3805541A US 00294782 A US00294782 A US 00294782A US 29478272 A US29478272 A US 29478272A US 3805541 A US3805541 A US 3805541A
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US
United States
Prior art keywords
air
fan
chamber
compressor
conditioning apparatus
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
US00294782A
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English (en)
Inventor
K Fujie
A Sakazume
Y Sekine
H Uzuhashi
H Ogawa
T Hosoda
K Ogata
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Hitachi Ltd
Original Assignee
Hitachi 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
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Application granted granted Critical
Publication of US3805541A publication Critical patent/US3805541A/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
    • F04D29/40—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
    • 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
    • F04D29/44—Fluid-guiding means, e.g. diffusers
    • F04D29/441—Fluid-guiding means, e.g. diffusers especially adapted for elastic fluid pumps
    • 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
    • F24F1/02—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing
    • F24F1/022—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing comprising a compressor cycle
    • F24F1/027—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing comprising a compressor cycle mounted in wall openings, e.g. in windows

Definitions

  • ABSTRACT A window-mounted air conditioning apparatus in which an enclosed chamber is formed between an inside chamber and an outside chamber within an inner chamber of a casing by use of two partitions, which enclosed chamber beingsufficient to mount a compressor and a fanmotor therein, thus making it possible to prevent a transmission of an unpleasant sound made by the compressor and the motor into the room to be air-conditioned or into next houses.
  • the air conditioning apparatus of this kind comprises generally a refrigerating unit having a compressor, a condenser, a coolant controlling device and an evaporator; a blower having fans and fan motors; and a partition dividing an inner chamber of a casing of the apparatus into an inside chamber and an outside chamber; the condenser and the evaporator being mounted within the outside chamber and the inside chamber, respectively, an air condition within the room being effected while circulating the air over the condenser and the evaporator. It is an important thing in the air conditioning apparatus to prevent a great noise generated by the compressor from being transmitted outsides, because the air conditioning apparatus of this type employs the compressor which generates an unpleasant sound.
  • the invention provides the air conditioning apparatus wherein two partitions divide an inner chamber of the casing of the apparatus into an inside chamber, an enclosed chamber and an outside chamber, and the compressor is mounted within the enlosed chamber.
  • an air conditioning apparatus comprising a casing divided into aninside chamber, an enclosed chamber and an outside chamber by two partitions and having air intake openings and air discharge openings provided within the inside and outside chambers, respectively, fans mounted within the inside and outside chambers, heat exchangers each located in an air duct of each fan, a compressor mounted within. the enclosed chamber and forming.
  • FIG. I is a simplified illustration of an air conditioning apparatus embodying this invention.
  • FIG. 2 is a cross-sectional view taken along an arrow 11-11 in FIG. 1;
  • FIG. 3 is a cross-sectional view taken along an arrow III-III in FIG. 2.
  • an air conditioning apparatus of the invention includes a casing adapted to be mounted within an opening or a window 2a of a building wall 2.
  • the casing When the casing 1 has been mounted within the window 2a, the casing is divided into an indoor section located in a room to be air-conditioned and an outdoor sectionexposed to an outdoor air.
  • a decorative cover 3 is mounted in an opening of the front portion of the casing which cover being provided with an air intake opening 3a and an outlet opening 3b.
  • the opposite rear portion of the casing is formed with an air-intake opening 1a and the both sides of the casing are formed with air-discharge openings lb and 1c, respectively.
  • a first partition 4 and a second partition 5 are arranged in the casing to divide the inner chamber of the casing into an inside chamber 6, an outside chamber 7 and an enclosed chamber 8.
  • the first partition 4 serves to form the inside chamber and the enclosed chamber 8 and second partition 5 serves to form the outside chamber and the enclosed chamber 8.
  • a centrifugal fan 9 such as a'Silocco fan is disposed within the inside chamber 6 so as to discharge from the outlet opening 312 the air which has entered the inside chamber through the inlet opening 3a. It will of course be understood that the indoor air tobe conditioned is sucked or drawn into the inside chamber by said fan 9.
  • a spiral casing 10 is located around the fan 9, which comprises a mouth ring 10a in front of the fan, the first partition 4 behind the fan and spiral member 10b along a side thereof.
  • Said mouth ring 10a is formed with a suction opening 10c for the fan 9 and said spiral member 10b is formed with an outlet 10d facing the outlet opening 3b of the cover 3.
  • An evaporator 11 is disposed at the suction side of the fan 9, which serves to cool the indoor air circulated thereover.
  • a centrifugal both suction fan 12 such as a Silocco fan is disposed within the outdoor chamber 7 in such a manner that the outdoor air is drawn from both the front and rear portion of the fan and then the sucked air is discharged sidewards.
  • a spiral casing 13 is mounted around the fan, which comprises a mouth ring l3a'behind the fan 12, the second partition 5 in front of the fan and spiral members 13b, 13c on the side portion thereof.
  • Said mouth ring 13a is formed with a suction opening 13d for the fan 12 and said spiral members 13b, 13c are formed with discharge openings 13e, 13f facing the outlet openings lb, 10 of the casing l.
  • the second partition 5 is provided with a suction opening 13g for the fan 12.
  • Said both spiral members 13b, 13c are shaped symmetrically to an axle of the fan 12.
  • a condenser 14 is disposed at one of the suction sides of; the fan 12 for transmitting heat in the condenser to the outdoor air.
  • a motor 15 for driving the fans is located within the enclosed chamber 8 to directly connect with said fans 9 and 12.
  • a compressor 16 is disposed within the enclosed chamber 8 and the compressor 16, the evaporator 11 and the condenser 14, the evaporator 11 and the condenser 14 form a refrigeration cycle.
  • a condensed dew collecting pan 17 is located just below the evaporator 11 and receives dews which are condensed on the external surface of the evaporator 1 1 and drop therefrom. The collected water in the pan 17 is led below the outside chamber 7 through a conduit 18.
  • a slinger ring 19 is directly connected with the shaft of the fan 12 for dissipating said condensed water to the condenser.
  • the enclosed chamber is formed by additionally mounting only a secondary partition away from the first partition within the inner chamber of the casing.
  • the increase of temperature of the compressor becomes a problem, it is desirable to provide a ventilating hole on the enclosed chamber.
  • the ventilating hole is located in the ventilating flue or duct, the increase of temperature of the compressor not only may be more positively prevented, the temperature of the indoor air to be conditioned but also is kept in a desired level comfortable to persons in the room.
  • a propeller fan has generally been employed as a fan of the outdoor air feeding means.
  • the propeller fan is simple in structure as compared with the centrifugal fan, however, it is desired to use the centrifugal fan to reduce the noise of the fan.
  • the feature of the invention resides in that the partitions forming the enclosed chamber is utilized as a center casing of the fan when the centrifugal fan has been used as an outdoor fan. Therefore, even if the centrifugal fan is employed, the invention can make the struture simplified.
  • the window-mounted air conditioning apparatus of the invention only has one motor for driving both the indoor fan and the outdoor fan, because the indoor fan is located closely to the outdoor fan and the both fans may be connected directly with said motor. Further, the compressor is placed in juxtaposition with the motor and near the motor. For the reason, the arrangement of the fan motor within the enclosed chamber wherein there is located the compressor serves to make the air conditioning apparatus simplified and avail effectively the inner space of the enclosed chamber formed by the both partitions. This has the effect of reducing the noise made by the fan motor.
  • the large capacity of the centrifugal fan is required when the centrifugal fan is used as the outdoor fan and addition to the condenser the fan also has the compressor cooled. It is impossible to enlarge the size of the fan, because the enlarged fan is not housed in the casing adapted to be mounted in the window of the building. That is, the size of the fan is subject to the restriction by the size of the casing.
  • the invention employs the both suction type of the centrifugal fan as the outdoor fan and effects the cooling of the compressor by providing the ventilating hole of the enclosed chamber in facing relation with one side of the fan.
  • the one side of the fan is utilized for the force heat exchange of the condenser and the other side thereof is utilized for the force cooling of the compressor.
  • an amount of the blow of the outdoor fan is increased, it is possible to make the compressor cooled.
  • the window-mounted air conditioning apparatus prefferably disposes of the condensed dew in the outdoor chamber after the condensed dew clung on the surface of the evaporator has been collected in the pan and the collected dew has been led from the pan to the outdoor chamber.
  • the invention is such that the slinger ring is connected to the shaft of the centrifugal fan and the dew led to the outdoor chamber is blown upon the condenser.
  • a window-mounted air conditioning apparatus comprising:
  • a housing including first and second partitions for dividing said housing into an inner evaporator compartment having an evaporator heat exchanger and a first fan mounted therein, and said inner compartment further including first air inlet openings and first air discharge openings to provide an air duct with said first fan for circulating air through said evaporator heat exchanger;
  • an outer condenser compartment having a condenser heat exchanger and second centrifugal fan of the both suction-type mounted therein, and said outer compartment further including second air inlet openings and second air discharge openings,
  • said second fan having a first and second portion and mounted in said outer compartment to provide a heat exchanger air duct with said second portion of said fan for forcing air from said second air inlet openings through said condenser heat exchanger to said second air discharge openings and to provide a separate ventilating air duct with said first portion of said fan for forcing air introduced into said enclosed chamber from said enclosed chamber through a suction opening in said second partition to said second air discharge openings, thereby cooling said compressor.
  • a window-mounted air conditioning apparatus wherein a spiral casing is mounted around said both suction-type centrifugal fan for providing spiral members formed with discharge openings facing said second air discharge openings.
  • a window-mounted air conditioning apparatus according to claim 1, wherein a fan motor is mounted in said enclosed chamber for directly connecting with said first and second fans through said first and second partition walls, respectively.

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)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
US00294782A 1972-02-18 1972-10-04 Window-mounted air conditioning apparatus Expired - Lifetime US3805541A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1972019501U JPS4896748U (enrdf_load_stackoverflow) 1972-02-18 1972-02-18

Publications (1)

Publication Number Publication Date
US3805541A true US3805541A (en) 1974-04-23

Family

ID=12001108

Family Applications (2)

Application Number Title Priority Date Filing Date
US00294782A Expired - Lifetime US3805541A (en) 1972-02-18 1972-10-04 Window-mounted air conditioning apparatus
US00294803A Expired - Lifetime US3805542A (en) 1972-02-18 1972-10-04 Air conditioning apparatus

Family Applications After (1)

Application Number Title Priority Date Filing Date
US00294803A Expired - Lifetime US3805542A (en) 1972-02-18 1972-10-04 Air conditioning apparatus

Country Status (5)

Country Link
US (2) US3805541A (enrdf_load_stackoverflow)
JP (1) JPS4896748U (enrdf_load_stackoverflow)
DE (1) DE2248550A1 (enrdf_load_stackoverflow)
GB (2) GB1401834A (enrdf_load_stackoverflow)
IT (2) IT975152B (enrdf_load_stackoverflow)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4111000A (en) * 1976-01-19 1978-09-05 Hitachi, Ltd. Room air conditioner
US5293758A (en) * 1991-08-29 1994-03-15 American Standard Inc. Outside section for split system air conditioning unit
US6401476B1 (en) * 1999-07-29 2002-06-11 Gree Electric Appliances Inc. Of Zhuhai Separation type air conditioner and its installation method
US20040221606A1 (en) * 2003-05-05 2004-11-11 Carrier Corporation Condensate pump for rooftop air conditioning unit
CN104696282A (zh) * 2014-12-30 2015-06-10 博耐尔汽车电气系统有限公司 一种离心风机蜗壳型线设计方法
CN108224596A (zh) * 2018-03-20 2018-06-29 广东美的制冷设备有限公司 整体式空调器
CN108224598A (zh) * 2018-03-20 2018-06-29 广东美的制冷设备有限公司 整体式空调器
CN108469075A (zh) * 2018-03-20 2018-08-31 广东美的制冷设备有限公司 整体式空调器
WO2019157111A1 (en) * 2018-02-06 2019-08-15 Scientific Environmental Design, Inc. Hvac system for enhanced source-to-load matching in low load structures
WO2022052568A1 (zh) * 2020-09-10 2022-03-17 广东美的制冷设备有限公司 一体式空调器

Families Citing this family (27)

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Publication number Priority date Publication date Assignee Title
US4586349A (en) * 1983-11-02 1986-05-06 Mitsubishi Denki Kabushiki Kaisha Unitary air conditioner
DE3438710C2 (de) * 1984-10-23 1986-11-27 Wilhelm Gebhardt Gmbh, 7112 Waldenburg Dachventilator
GB2199126A (en) * 1986-12-10 1988-06-29 Albert John Amor Combined flue and ventilator
IT210218Z2 (it) * 1987-04-17 1988-12-06 Delchi Carrier Spa Apparecchio trasferibile per la climatizzazione di ambienti.
DE3926293A1 (de) * 1988-12-17 1990-06-21 Samsung Electronics Co Ltd Klimaanlage zum fensteranbau
US5065597A (en) * 1990-05-11 1991-11-19 Whirlpool Corporation Dual side discharge air housing for room air conditioner
US5085057A (en) * 1990-05-11 1992-02-04 Whirlpool Corporation Dual side discharge room air conditioner with foamed insulation air passage walls
US5065596A (en) * 1990-05-11 1991-11-19 Whirlpool Corporation Dual louvered side air discharge openings for room air conditioner
US5299634A (en) * 1991-09-26 1994-04-05 Mitsubishi Denki Kabushiki Kaisha Indoor unit of a ventilation system, ventilation and air conditioner
US5253485A (en) * 1992-03-27 1993-10-19 White Consolidated Industries, Inc. Low profile room air conditioner
GB2289314B (en) * 1994-05-05 1998-09-16 Bentone Electro Oil Ab Arrangement in an oil burner
BE1011636A3 (nl) * 1997-12-23 1999-11-09 Atlas Copco Airpower Nv Compressor met ingebouwde ventilator.
KR19990070390A (ko) * 1998-02-19 1999-09-15 윤종용 창문형 에어콘의 팬케이싱
SE522560C2 (sv) * 2000-03-09 2004-02-17 Pm Luft Luftbehandlingsaggregat innehållande en dubbelsugande fläkt
US6789999B2 (en) * 2002-06-11 2004-09-14 Valeo Climate Control Corp Center console dual centrifugal fan blower
KR100556948B1 (ko) * 2003-10-23 2006-03-03 엘지전자 주식회사 창문형 에어컨
KR100556947B1 (ko) * 2003-10-23 2006-03-03 엘지전자 주식회사 원심팬
US7082780B2 (en) * 2003-11-21 2006-08-01 Electrolux Home Products, Inc. Compact chassis room air conditioner
US7018171B2 (en) * 2004-01-23 2006-03-28 Airex Inc. Blower with double inlet wheel
WO2005095874A1 (ja) * 2004-03-31 2005-10-13 Daikin Industries, Ltd. 調湿装置
WO2009064148A2 (en) * 2007-11-16 2009-05-22 Lg Electronics Inc. Fan
RU2490560C2 (ru) * 2009-09-30 2013-08-20 Василий Иванович Мазий Устройство и способ воздушного отопления воздушного охлаждения и вентиляции помещений
CN104358603A (zh) * 2014-12-10 2015-02-18 马根昌 恒速离心排气管消声器
JP6319514B2 (ja) * 2015-04-28 2018-05-09 株式会社デンソー 送風機
JP6380222B2 (ja) * 2015-04-28 2018-08-29 株式会社デンソー 車両用空調装置
US11236762B2 (en) * 2019-04-26 2022-02-01 Johnson Controls Technology Company Variable geometry of a housing for a blower assembly
DE212022000171U1 (de) * 2021-06-04 2024-04-16 Shenzhen Jisu Technology Co., Ltd. Halsventilator

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US2357362A (en) * 1940-04-30 1944-09-05 Gen Motors Corp Refrigerating apparatus
US2495002A (en) * 1948-03-17 1950-01-17 Philco Corp Air conditioning apparatus
US2551284A (en) * 1948-03-04 1951-05-01 Philco Corp Refrigeration apparatus with crating means
US2730873A (en) * 1953-05-19 1956-01-17 Ed Friedrich Inc Room air conditioners
US2751760A (en) * 1954-11-23 1956-06-26 Whirlpool Seeger Corp Two-piece room air-conditioner cabinet
US3200608A (en) * 1961-10-16 1965-08-17 Glickman Leonard Apparatus for utilizing and dispensing air conditioner condensate

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US2341871A (en) * 1939-07-29 1944-02-15 Oerlikon Maschf Centrifugal blower with spiral casing
US2290973A (en) * 1939-11-13 1942-07-28 Chrysler Corp Air conditioning unit
US2330938A (en) * 1941-11-14 1943-10-05 Torrington Mfg Co Multiple outlet blower assembly
US2452185A (en) * 1946-08-12 1948-10-26 Continental Motors Corp Fluid pump
US3211360A (en) * 1963-12-05 1965-10-12 Kooltronic Fan Company Dual cutoff blower
US3394755A (en) * 1967-02-06 1968-07-30 Conditionaire Australia Pty Lt Air screen creating-air conditioning apparatus
US3472146A (en) * 1967-08-11 1969-10-14 Ford Motor Co Fluid pressurizing and distributing apparatus for vehicles
US3680328A (en) * 1971-02-25 1972-08-01 Gen Electric Air-conditioner

Patent Citations (6)

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Publication number Priority date Publication date Assignee Title
US2357362A (en) * 1940-04-30 1944-09-05 Gen Motors Corp Refrigerating apparatus
US2551284A (en) * 1948-03-04 1951-05-01 Philco Corp Refrigeration apparatus with crating means
US2495002A (en) * 1948-03-17 1950-01-17 Philco Corp Air conditioning apparatus
US2730873A (en) * 1953-05-19 1956-01-17 Ed Friedrich Inc Room air conditioners
US2751760A (en) * 1954-11-23 1956-06-26 Whirlpool Seeger Corp Two-piece room air-conditioner cabinet
US3200608A (en) * 1961-10-16 1965-08-17 Glickman Leonard Apparatus for utilizing and dispensing air conditioner condensate

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4111000A (en) * 1976-01-19 1978-09-05 Hitachi, Ltd. Room air conditioner
US5293758A (en) * 1991-08-29 1994-03-15 American Standard Inc. Outside section for split system air conditioning unit
US6401476B1 (en) * 1999-07-29 2002-06-11 Gree Electric Appliances Inc. Of Zhuhai Separation type air conditioner and its installation method
US20040221606A1 (en) * 2003-05-05 2004-11-11 Carrier Corporation Condensate pump for rooftop air conditioning unit
US6880354B2 (en) * 2003-05-05 2005-04-19 Carrier Corporation Condensate pump for rooftop air conditioning unit
CN100415552C (zh) * 2003-05-05 2008-09-03 开利公司 用于车顶空调单元的冷凝水泵
CN104696282A (zh) * 2014-12-30 2015-06-10 博耐尔汽车电气系统有限公司 一种离心风机蜗壳型线设计方法
CN104696282B (zh) * 2014-12-30 2018-04-27 博耐尔汽车电气系统有限公司 一种离心风机蜗壳设计方法
WO2019157111A1 (en) * 2018-02-06 2019-08-15 Scientific Environmental Design, Inc. Hvac system for enhanced source-to-load matching in low load structures
US11629878B2 (en) 2018-02-06 2023-04-18 Scientific Environmental Design, Inc. HVAC system for enhanced source-to-load matching in low load structures
CN108224596A (zh) * 2018-03-20 2018-06-29 广东美的制冷设备有限公司 整体式空调器
CN108224598A (zh) * 2018-03-20 2018-06-29 广东美的制冷设备有限公司 整体式空调器
CN108469075A (zh) * 2018-03-20 2018-08-31 广东美的制冷设备有限公司 整体式空调器
WO2022052568A1 (zh) * 2020-09-10 2022-03-17 广东美的制冷设备有限公司 一体式空调器

Also Published As

Publication number Publication date
IT975151B (it) 1974-07-20
GB1400550A (en) 1975-07-16
JPS4896748U (enrdf_load_stackoverflow) 1973-11-16
GB1401834A (en) 1975-07-30
DE2248550A1 (de) 1973-08-30
IT975152B (it) 1974-07-20
DE2248549B2 (de) 1976-04-29
DE2248549A1 (de) 1973-08-30
US3805542A (en) 1974-04-23

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