US20170211828A1 - Duct ventilation apparatus - Google Patents

Duct ventilation apparatus Download PDF

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Publication number
US20170211828A1
US20170211828A1 US15/324,991 US201515324991A US2017211828A1 US 20170211828 A1 US20170211828 A1 US 20170211828A1 US 201515324991 A US201515324991 A US 201515324991A US 2017211828 A1 US2017211828 A1 US 2017211828A1
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US
United States
Prior art keywords
duct
rotating means
flow
ventilation apparatus
partition wall
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.)
Abandoned
Application number
US15/324,991
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English (en)
Inventor
Sung Woo Ha
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.)
Individual
Original Assignee
Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of US20170211828A1 publication Critical patent/US20170211828A1/en
Abandoned legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00—Ventilation
    • F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
    • F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
    • F24F7/065—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit fan combined with single duct; mounting arrangements of a fan in a duct
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24B—DOMESTIC STOVES OR RANGES FOR SOLID FUELS; IMPLEMENTS FOR USE IN CONNECTION WITH STOVES OR RANGES
    • F24B7/00—Stoves, ranges or flue-gas ducts, with additional provisions for convection heating 
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
    • 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
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/081—Air-flow control members, e.g. louvres, grilles, flaps or guide plates for guiding air around a curve

Definitions

  • the present invention relates to a duct ventilation apparatus, and more particularly, to a duct ventilation apparatus in which a rotating means is installed in a bent portion of a duct in order to increase a flow velocity and a flow rate of an air flow in a flow space in the duct.
  • a window structure is changed to a sealed window structure in consideration of environmental pollution or safety, and thus changed to a structure in which it is difficult to perform ventilation through the window in the outer wall of the building, but instead, a ventilation apparatus is installed in a ceiling or the like in the building so that air in the building is discharged to the outside and fresh outside air is supplied into the building by the ventilation apparatus.
  • the ventilation apparatus is configured such that a blower fan is installed in a ventilation duct installed in a ceiling of a building and the blower fan operates to supply and discharge air, the ventilation apparatus may also be configured such that an air cleaning filter or the like in a duct so as to purify the supplied air, or the ventilation apparatus may also be configured such that a hot air blower or a cold air blower is provided to control an indoor temperature.
  • the duct is inevitably bent when the duct is installed, and as a result, there is a problem in that a flow velocity and a flow rate of air are decreased due to the bent portion in the duct.
  • the present invention has been made in an effort to solve the aforementioned problems, and an object of the present invention is to provide a duct ventilation apparatus in which a rotating means is installed in a bent portion in a duct in order to increase a flow rate and a flow velocity in a flow space of the duct.
  • Another object of the present invention is to provide a duct ventilation apparatus in which partition walls are formed at edge portions in a bent flow space in a duct, respectively, such that the flow space is divided into a main flow hole and a sub flow hole, and the rotating means are installed in the duet, thereby increasing a flow rate and a flow velocity of a flow of air introduced into the bent edges of the duct.
  • a duct ventilation apparatus of the present invention includes a rotating means which has a plurality of blades mounted at an outer circumference of a shaft which has a length and is rotated by being connected with a motor, in which the rotating means is installed in a bent space in a flow space in the duct.
  • the rotating means is installed at an edge of the bent space in the flow space of the duct.
  • the rotating means is installed in a space at a convex edge between the edges of the bent space in the flow space of the duct.
  • the rotating means is installed in a space at a concave edge between the edges of the bent space in the flow space of the duct.
  • partition walls are formed at both of the edges of the bent portion in the flow space of the duct at an interval so as to divide the flow space into a main flow hole and a pair of sub flow holes, and the rotating means is installed in the sub flow hole.
  • a partition wall is formed at a concave edge between the edges of the bent portion in the flow space of the duct at an interval with the concave edge so as to divide the flow space into a main flow hole and a sub flow hole, and the rotating means is installed in the sub flow hole formed at the concave edge.
  • a partition wall is formed at a convex edge between the edges of the bent portion in the flow space of the duct at an interval with the convex edge so as to divide the flow space into a main flow hole and a sub flow hole, and the rotating means is installed in the sub flow hole formed at the convex edge.
  • air pressure in the sub flow hole is increased by an operation of the rotating means, and an air pressure difference occurs between the sub flow hole and the main flow hole, such that a flow velocity is increased.
  • the rotating means which has the plurality of blades mounted at the outer circumference of the shaft which has a length and is rotated by being connected with the motor, is provided, and the rotating means is installed in the flow space in the duct, such that the rotating means having a length is installed in the duct or the bent portion in the duct, thereby increasing a flow rate and a flow velocity in the flow space of the duct.
  • the partition walls are formed at the edge portions in the bent flow space in the duct, respectively, such that the flow space is divided into the main flow hole and the sub flow hole, and the rotating means are installed in the duct, thereby increasing a flow rate and a flow velocity of a flow of air introduced into the bent edges of the duct.
  • FIG. 1 is a cross-sectional view illustrating a first exemplary embodiment of a duct ventilation apparatus of the present invention.
  • FIG. 2 is a cross-sectional view illustrating a second exemplary embodiment of a duct ventilation apparatus of the present invention.
  • FIG. 3 is a cross-sectional view illustrating a third exemplary embodiment of a duct ventilation apparatus of the present invention.
  • FIG. 4 is a perspective view illustrating a rotating means to be installed in the duct ventilation apparatus of the present invention.
  • Words of degree such as “about”, “substantially”, and the like are used in the present specification in the sense of “at, or nearly at, when given the manufacturing, design, and material tolerances inherent in the stated circumstances” and are used to prevent the unscrupulous infringer from unfairly taking advantage of the invention disclosure where exact or absolute figures and operational or structural relationships are stated as an aid to understanding the invention.
  • FIG. 1 is a cross-sectional view illustrating a first exemplary embodiment of a duct ventilation apparatus of the present invention
  • FIG. 2 is a cross-sectional view illustrating a second exemplary embodiment of a duct ventilation apparatus of the present invention
  • FIG. 3 is a cross-sectional view illustrating a third exemplary embodiment of a duct ventilation apparatus of the present invention
  • FIG. 4 is a perspective view illustrating a rotating means to be installed in the duct ventilation apparatus of the present invention.
  • a duct ventilation apparatus 10 of the present invention has a rotating means 100 which is installed in a duct 200 and has a length.
  • the rotating means 100 has a plurality of blades 120 installed in a longitudinal direction at an outer circumference of a shaft 110 having a length.
  • the blade 120 has a shape having a curvature, and the blade 120 is installed to be inclined in a rotation direction of the shaft 110 .
  • the shaft 110 is connected with the motor 140 , and the shaft 110 is rotated by an operation of the motor 140 , such that a flow velocity and a flow rate of air are generated through the blades 120 .
  • the rotating means 100 which is configured as described above, is installed in a bent portion 211 in the duct 200 .
  • the air which is generated by ventilating devices installed in indoor and outdoor heat exchangers and has a flow rate and a flow velocity, flows into the duct 200 , but the flow velocity and the flow rate are decreased due to a length of the duct 200 or a bent state of the duct 200 .
  • the rotating means 100 is installed in the bent portion 211 in the duct 200 , such that the flow velocity and the flow rate of the air flow are increased without being decreased, and as a result, the air flow is improved and thus ventilation efficiency is improved.
  • the exemplary embodiments of the duct ventilation apparatus of the present invention are classified into first to third exemplary embodiments.
  • the first to third exemplary embodiments may be applied as various exemplary embodiments by installing the rotating means 100 based on positions of edges 212 and 213 of the bent portion 211 in the flow space 210 of the duct.
  • the rotating means 100 are installed at both of the edges 212 and 213 of the bent portion 211 in the flow space 210 of the duct.
  • the rotating means 100 is installed in a space at the convex edge 212 between the edges of the bent portion 211 in the flow space 210 of the duct.
  • the rotating means 100 is installed in a space at the concave edge 213 between the edges of the bent portion 211 in the flow space 210 of the duct.
  • a partition wall 250 may be selectively formed at the edges 212 and 213 of the bent portion 211 .
  • an inner partition wall 251 and an outer partition wall 252 are formed at both of the edges 212 and 213 of the bent portion 211 in the flow space 210 of the duct so as to divide the flow space 210 into a main flow hole 220 and a pair of sub flow holes 230 , and the rotating means 100 are installed in the sub flow holes 230 .
  • the outer partition wall 252 is formed at the concave edge 212 between the edges of the bent portion 211 in the flow space 210 of the duct so as to divide the flow space 210 into the main flow hole 220 and the sub flow hole 230 , and the rotating means 100 is installed in the sub flow hole 230 formed at the concave edge 213 .
  • the inner partition wall 251 is formed at the convex edge 212 between the edges of the bent portion 211 in the flow space 210 of the duct so as to divide the flow space 210 into the main flow hole 220 and the sub flow hole 230 , and the rotating means 100 is installed in the sub flow hole 230 formed at the convex edge 212 .
  • the partition walls include the outer partition wall 252 and the inner partition wall 251 based on a state in which the partition walls are disposed in the bent portion.
  • the outer partition wall 252 is installed at the convex edge 212 of the bent portion, and the inner partition wall 251 is installed at the concave edge 213 of the bent portion.
  • the outer partition wall 252 includes a first partition wall 253 which is formed at the convex edge 212 , has an arc shape, and accommodates a part of the rotating means, and a second partition wall 254 which is spaced apart from the convex edge 212 at an interval and has the same curvature as the bent portion.
  • the air may flow smoothly.
  • the inner partition wall 251 includes the first partition wall 253 which is formed at the concave edge 213 , has an are shape, and accommodates a part of the rotating means, and a second partition wall 254 which connects a horizontal surface and a vertical surface of the first partition wall 253 and has the same curvature as the bent portion, and as a result, since the second partition wall 254 has the same curvature as the concave edge 213 , the air may flow smoothly.
  • air pressure in the sub flow hole 230 is increased by the operation of the rotating means 100 , and an air pressure difference occurs between the sub flow hole 230 and the main flow hole 220 , and as a result, a flow velocity is increased.
  • the flow space 210 is divided into the main flow hole 220 and the sub flow hole 230 , and the sub flow hole 230 is installed only in the bent portion 211 in the flow space 210 , and as a result, an inlet and an outlet at both sides of the sub flow hole 230 communicate with the flow space 210 .
  • the rotating means 100 is selectively installed in both of the pair of sub flow holes 230 or one of the pair of sub flow holes 230 , and the rotating means 100 is operated, and as a result, air pressure in the sub flow hole 230 is increased.
  • the air pressure in the sub flow hole 230 is increased by the operation of the rotating means 100 , the air is discharged to the outlet of the sub flow hole 230 at the increased flow velocity and the increased flow rate.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Air-Flow Control Members (AREA)
US15/324,991 2014-05-22 2015-05-22 Duct ventilation apparatus Abandoned US20170211828A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR10-2014-0061690 2014-05-22
KR1020140061690A KR101662288B1 (ko) 2014-05-22 2014-05-22 덕트 환기장치
PCT/KR2015/005203 WO2015178735A1 (ko) 2014-05-22 2015-05-22 덕트 환기장치

Publications (1)

Publication Number Publication Date
US20170211828A1 true US20170211828A1 (en) 2017-07-27

Family

ID=54554320

Family Applications (1)

Application Number Title Priority Date Filing Date
US15/324,991 Abandoned US20170211828A1 (en) 2014-05-22 2015-05-22 Duct ventilation apparatus

Country Status (5)

Country Link
US (1) US20170211828A1 (ko)
EP (1) EP3173700A4 (ko)
KR (1) KR101662288B1 (ko)
CN (1) CN106574780A (ko)
WO (1) WO2015178735A1 (ko)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108179774A (zh) * 2018-02-07 2018-06-19 广州市昊力工具有限公司 淤泥输送系统及清淤干泥船

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6888924B2 (ja) * 2016-08-19 2021-06-18 株式会社Ｎｔｔファシリティーズ 空調システム

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2212050A (en) * 1936-12-01 1940-08-20 William J Samuelson Ventilating system
US5127238A (en) * 1989-10-25 1992-07-07 Matsushita Electric Industrial Co., Ltd. Automobile air conditioner
US5918666A (en) * 1996-12-21 1999-07-06 Lg Electronics, Inc. Indoor unit for air conditioner
US6290266B1 (en) * 1997-09-22 2001-09-18 Michihiko Kawano Suction elbow provided with built-in guide blades
US6541151B2 (en) * 2000-03-31 2003-04-01 Matsushita Electric Industrial Co., Ltd. Battery assembly system used for electric vehicle
US20160252097A1 (en) * 2013-10-11 2016-09-01 Sung Woo Ha Ceiling fan

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JPS5938538A (ja) * 1982-08-24 1984-03-02 Matsushita Electric Ind Co Ltd 換気用壁体
JP3100004B2 (ja) * 1992-08-04 2000-10-16 株式会社日立製作所 脱水機の脱水槽
JPH10309400A (ja) * 1997-05-13 1998-11-24 Kusatsu Denki Kk 浴室換気乾燥機
JP2000205625A (ja) * 1999-01-05 2000-07-28 Sekisui Chem Co Ltd 建物の換気装置
US6484524B1 (en) * 2001-07-12 2002-11-26 Gennaty Ulanov System of and a method of cooling an interior of a room provided with a wall air conditioning unit
JP4519623B2 (ja) * 2004-12-07 2010-08-04 三菱電機株式会社 送風システム及び換気装置並びに熱交換換気装置
KR100927218B1 (ko) 2009-08-21 2009-11-16 주식회사 프럼파스트 댐퍼가 설치된 덕트 연결구
JP5677124B2 (ja) * 2011-02-16 2015-02-25 キヤノン株式会社 電子機器用の流路構造およびこれを備えた電子機器
JP2013013882A (ja) * 2011-07-06 2013-01-24 Kansai Kako Kk 有機脱臭ダクト
KR101432611B1 (ko) 2011-12-21 2014-08-26 백종만 덕트공조시스템의 에어커튼을 방지할 수 있는 댐퍼장치

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2212050A (en) * 1936-12-01 1940-08-20 William J Samuelson Ventilating system
US5127238A (en) * 1989-10-25 1992-07-07 Matsushita Electric Industrial Co., Ltd. Automobile air conditioner
US5918666A (en) * 1996-12-21 1999-07-06 Lg Electronics, Inc. Indoor unit for air conditioner
US6290266B1 (en) * 1997-09-22 2001-09-18 Michihiko Kawano Suction elbow provided with built-in guide blades
US6541151B2 (en) * 2000-03-31 2003-04-01 Matsushita Electric Industrial Co., Ltd. Battery assembly system used for electric vehicle
US20160252097A1 (en) * 2013-10-11 2016-09-01 Sung Woo Ha Ceiling fan

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108179774A (zh) * 2018-02-07 2018-06-19 广州市昊力工具有限公司 淤泥输送系统及清淤干泥船

Also Published As

Publication number Publication date
CN106574780A (zh) 2017-04-19
EP3173700A1 (en) 2017-05-31
KR101662288B1 (ko) 2016-10-05
KR20150134651A (ko) 2015-12-02
EP3173700A4 (en) 2018-05-16
WO2015178735A1 (ko) 2015-11-26

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