WO2010016688A2 - 무소음 가압 송풍기 - Google Patents

무소음 가압 송풍기 Download PDF

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Publication number
WO2010016688A2
WO2010016688A2 PCT/KR2009/004284 KR2009004284W WO2010016688A2 WO 2010016688 A2 WO2010016688 A2 WO 2010016688A2 KR 2009004284 W KR2009004284 W KR 2009004284W WO 2010016688 A2 WO2010016688 A2 WO 2010016688A2
Authority
WO
WIPO (PCT)
Prior art keywords
pressure
control
main body
port
noiseless
Prior art date
Application number
PCT/KR2009/004284
Other languages
English (en)
French (fr)
Korean (ko)
Other versions
WO2010016688A3 (ko
Inventor
황금택
Original Assignee
Hwang Gumtaek
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 Hwang Gumtaek filed Critical Hwang Gumtaek
Priority to EP09805149A priority Critical patent/EP2322806A4/en
Priority to US13/057,357 priority patent/US20110142706A1/en
Priority to CN200980130122XA priority patent/CN102144099A/zh
Priority to JP2011522001A priority patent/JP5272077B2/ja
Publication of WO2010016688A2 publication Critical patent/WO2010016688A2/ko
Publication of WO2010016688A3 publication Critical patent/WO2010016688A3/ko

Links

Images

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00Pumping installations or systems
    • F04D25/02Units comprising pumps and their driving means
    • F04D25/08Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C18/00Rotary-piston pumps specially adapted for elastic fluids
    • F04C18/24Rotary-piston pumps specially adapted for elastic fluids of counter-engagement type, i.e. the movement of co-operating members at the points of engagement being in opposite directions
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C29/00Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F04C29/06Silencing
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/66Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/661Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2250/00Geometry
    • F04C2250/10Geometry of the inlet or outlet
    • F04C2250/101Geometry of the inlet or outlet of the inlet
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05DINDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2210/00Working fluids
    • F05D2210/10Kind or type
    • F05D2210/12Kind or type gaseous, i.e. compressible
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05DINDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2260/00Function
    • F05D2260/40Transmission of power
    • F05D2260/402Transmission of power through friction drives
    • F05D2260/4021Transmission of power through friction drives through belt drives
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05DINDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2260/00Function
    • F05D2260/40Transmission of power
    • F05D2260/403Transmission of power through the shape of the drive components
    • F05D2260/4031Transmission of power through the shape of the drive components as in toothed gearing
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05DINDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2260/00Function
    • F05D2260/96Preventing, counteracting or reducing vibration or noise
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S415/00Rotary kinetic fluid motors or pumps

Definitions

  • the present invention relates to a noiseless pressurized blower, and more particularly, since the air is transferred by a control port which rotates in contact with the pressure port and the pressure port, to prevent noise from occurring, and where resistance is generated by the duct. It relates to a noiseless blower that can also be mounted.
  • the blower increases the flow intensity of wind using gas, in particular air, and is divided into a turbo blower and a volume blower.
  • the dual turbo blower is divided into an axial blower which is energized by the lift force of the vanes generated by the rotation of the rotor and a centrifugal blower that is energized by the centrifugal force.
  • the centrifugal multi-function blower has a suction port at the center of one side of the cylindrical body as a whole, an outlet at one side of the circumferential surface, and a blade and a scroll rotating about an axis centered on the cylindrical cylinder inner cylinder. And an impeller or the like.
  • the blade which is provided with several small blades, is inclined to one side and rotated so as to suck air into the center of the cylindrical impeller formed in the plurality of blades and push it outward.
  • blowers are used in plants, indoor workplaces, basements, restaurants, kitchens that require ventilation. Since the blower rotates at a high speed, not only noise is generated by the friction of air, but also when the duct is used, idling occurs due to the resistance of the duct, not only the power is lost, but also the noise caused by the vortex is generated and the ventilation is good. There is a problem that is not.
  • the present invention has been made to solve the above problems, the object of the present invention is to minimize the friction of the air to prevent the noise, and to reliably transfer the air to the place where the resistance occurs by the duct, etc. To provide a noiseless pressurized blower that can.
  • a noiseless pressurized blower includes a main body in which a hollow part is formed, and an inlet port through which the fluid is sucked in and an exhaust port through which the sucked fluid is discharged; A pressurizing port mounted to the hollow part of the main body and sucking fluid from the suction port by rotation; A control tool mounted to the hollow part of the main body and preventing the sucked fluid from moving to the suction hole by rotating in contact with the pressure hole; And an interlocking means for connecting the rotational force driven by the motor to be interlocked with the pressing device and the control device.
  • the main body is a shape in which two cylinders are formed in communication with the side.
  • the pressure port is composed of a pressure rotating shaft rotated by the interlocking means and a spiral pressure plate mounted on the pressure rotating shaft, and the control tool is mounted on the control rotating shaft and the control rotating shaft rotated by the interlocking means and makes linear contact with the pressure plate. And a control body which rotates.
  • the main body is characterized in that the pressing and the control sphere is mounted while alternating.
  • the edge of the suction port is characterized in that it is serrated.
  • interlocking means is characterized in that made by a gear.
  • the main body is a shape consisting of a cylinder in communication with the cylinder and the side in which the hollow portion is formed.
  • the pressure port is composed of a pressure rotating shaft rotated by the interlocking means and two spiral blades mounted on the pressure rotating shaft is mounted on the cylinder, the control tool is rotated by the interlocking means, the control rotary shaft mounted in the compartment And a disc shape and a cutaway groove cut in a predetermined portion in a radial direction is formed, and is mounted to the control rotary shaft, characterized in that the blade is configured as a control panel that rotates while passing through the cutaway groove.
  • the main body is composed of one cylinder and two cylinders are formed in communication with both sides of the compartment, the compartment is equipped with the control port, characterized in that the two pressure cylinders are seated on the cylinder It is done.
  • the interlocking means is characterized in that made by a time belt.
  • the noiseless pressurized blower of the present invention is able to continuously transfer the fluid in a fixed amount, there is an effect that can be applied to various devices.
  • FIG. 1 is a perspective view of a noiseless pressurized blower according to an embodiment of the present invention.
  • FIG. 2 is a plan view of the blower shown in FIG. 1.
  • FIG. 2 is a plan view of the blower shown in FIG. 1.
  • FIG. 3 is a cross-sectional view of the blower shown in FIG.
  • FIG. 4 is an exploded perspective view illustrating main parts of the blower illustrated in FIG. 1.
  • FIG. 5 is a view for explaining a pressing tool and a control tool.
  • FIG. 6 is a view for explaining the operating state of the blower shown in FIG.
  • FIG. 7 is a perspective view of a noiseless pressurized blower according to another embodiment.
  • FIG. 8 is an exploded perspective view of main parts of the noiseless pressurized blower shown in FIG. 7;
  • Figure 9 is a perspective view of a noiseless pressurized blower according to another embodiment of the present invention.
  • FIG. 10 is a configuration diagram of the blower shown in FIG.
  • FIG. 11 is an exploded perspective view of main parts of the blower shown in FIG. 9;
  • FIG. 12 is a perspective view of a pressing hole mounted to the blower shown in FIG. 9; FIG.
  • FIG. 13 is a perspective view of a control tool mounted on the blower shown in FIG.
  • FIG. 14 is a view for explaining an operating state of the blower shown in FIG.
  • FIG. 15 is a view for explaining the air flow of the blower shown in FIG.
  • FIG. 16 is a perspective view of a noiseless pressurized blower according to another embodiment of the present invention.
  • FIG. 17 is an exploded perspective view of main parts of the noiseless pressurized blower shown in FIG. 16;
  • control body 35: control panel
  • FIG. 1 is a perspective view of a noiseless pressurized blower according to an embodiment of the present invention
  • Figures 2 and 3 are a plan view and a cross-sectional view of the blower shown in FIG. 4 is an exploded perspective view of main parts of the blower.
  • the noiseless pressure blower according to the present invention shown by the reference numeral 1 is composed of a main body 10, the pressing port 20, the control port 30 and the like.
  • the main body 10 has a shape in which three cylinders 13 communicate with the side, and the inlet 11 and the exhaust 12 are respectively formed at the side surfaces of the two communication located at the outside. have. And the case 5 is mounted to the outside of the main body 10.
  • the control port 30 is mounted on the cylinder 13 located at the center of the main body 10, and the pressing holes 20 are mounted on the two cylinders 13 located on the side surfaces thereof.
  • the rotational force driven by the motor 40 drives the pressurizing tool 20 and the control tool 30 through the gear 50, respectively, to the gear 50.
  • the rotational directions of the control tool 30 and the pressing device 20 rotate in opposite directions, and the rotational speeds maintain the same rotational speed.
  • suction port 11 and the exhaust port 12 formed in the main body 10 are formed in the cylinder 13 on which the pressure port 20 is seated, respectively, as shown in FIG. ) Is a sawtooth shape, it is possible to reduce the noise generated at the beginning of the air intake.
  • the pair of inlets 11 and the pair of exhaust ports 12 are located in opposite directions.
  • the intake port 11 and the exhaust port 12 located at different positions cannot inhale air in the same direction to discharge air in the same direction. Therefore, the suction port 11 and the exhaust port 12 provided in the opposite direction are connected to each other by a communication port 70, the communication port 70 is shown in Figure 1 and the main body 10 and It is located between the cases (5). Since the intake port 11 and the exhaust port 12 are connected to each other by the communication port 70, it is possible to blow air from one side to the other side.
  • the pressure port 20 is composed of a pressure rotating shaft 21 rotated by the gear 50 and a pressure plate 23 mounted on the pressure rotating shaft 21. As shown in Figure 5, the pressure plate 23 is made of a spiral. The cross section forms a semi-circular shape and is fixed in pairs on both sides of the pressure rotating shaft 21.
  • the control tool 30 is composed of a control rotary shaft 31 that is rotated by the gear 50 and the control body 33 is mounted to the control rotary shaft 31 and in close contact with the pressure plate 23 to rotate. As shown in FIG. 5, the control body 33 has a spiral shape, but a hollow part is formed therein to form a constant volume.
  • the pressurizing tool 20 and the control tool 30 are rotated at the same rotational speed, the pressing plate 23 and the control body 33 is rotated with each other while making a line contact in the longitudinal direction. Therefore, since the control body 33 and the pressure plate 23 always rotates in contact with each other, there is no space between the pressure plate 23 and the control body 33 to block the flow of air.
  • the pair of the inlet port 11 and the exhaust port 12 are located opposite to each other, the pair of the inlet port 11 and the pair of the exhaust port 12 are each communicating port ( 70) because it is in communication with each other, it is possible to absorb the air from the one to discharge the air to the other side. (See Figure 1)
  • FIG. 7 and 8 show another embodiment of a noiseless pressurized blower according to the present invention.
  • one control tool 30 and two pressure tools 20 are mounted, but the other embodiment includes one control device 20 and one control device 30. It can be composed of). Since each component and operation are similar to one embodiment, the description below is omitted. In addition, since the control tool 30 and the pressure tool 20 may be configured to be connected to two or more in the same manner, a detailed description thereof will be omitted.
  • another embodiment is also composed of the main body 10, the pressure port 20, the control port 30 and the like.
  • two cylinders 13 are spaced apart from each other, and a compartment 15 is formed between the cylinder 13 and the cylinder 13 to communicate with each other.
  • the outside of the main body 10 is covered by the case 5 to form a shape as shown in FIG.
  • the pressure port 20 includes a pressure rotating shaft 21 rotating by the rotation of the motor 40 and two spiral blades 25 mounted on the pressure rotating shaft 21. It is made and mounted on the cylinder 13, respectively.
  • control tool 30 shown in Figure 13 is rotated by the motor 40, the cutting groove 37 is disc-shaped and cut in a radial direction with a control rotary shaft 31 mounted on the compartment 15 in the radial direction. ) Are formed.
  • the pressure port 20 is mounted to the cylinder 13, respectively, and the control port 30 is mounted to the compartment 15. As shown in Figure 10 and 11, the control rotary shaft 31 is mounted horizontally, the pressing rotary shaft 21 is mounted vertically.
  • a pair of cutting grooves 37 formed in the control panel 35 pass through the wings 25 of the pressing holes 20.
  • the vanes 25 form a curved spiral as shown in FIG. 12 in order to be seated in the cutting groove 37 that moves while being rotated.
  • control tool 30 and the pressure port 20 are rotated while maintaining the same rotational speed.
  • the pair of rotating vanes 25 penetrates the cutout groove 37 formed in the control panel 35.
  • 16 and 17 illustrate a silent pressurized blower according to another embodiment of the present invention.
  • two pressurizing holes 20 are not formed, but are configured by one control tool 30 and one pressing device 20 and connected by a gear 50 or a time belt 60. do. Since the operation of such a configuration is the same as described above, the following description is omitted.
  • the noiseless pressurized blower according to the present invention can be used not only as a device for blowing air, but also as a pump for transferring a fluid such as water or chemicals.
  • the blower rotates at a low speed, noise can be prevented, and air is sucked and discharged by the pressurizing port and the control port, so that the air can be reliably transferred to the place where resistance is generated by the duct or the like.
  • the noiseless pressurized blower of the present invention can be applied to a pump because it can continuously transfer the fluid in a fixed amount.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
PCT/KR2009/004284 2008-08-04 2009-07-31 무소음 가압 송풍기 WO2010016688A2 (ko)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP09805149A EP2322806A4 (en) 2008-08-04 2009-07-31 NOZZLE PRESSURE BLOWER
US13/057,357 US20110142706A1 (en) 2008-08-04 2009-07-31 Noiseless pressure blower
CN200980130122XA CN102144099A (zh) 2008-08-04 2009-07-31 静音增压鼓风机
JP2011522001A JP5272077B2 (ja) 2008-08-04 2009-07-31 無騒音加圧送風機

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2008-0076119 2008-08-04
KR20080076119 2008-08-04

Publications (2)

Publication Number Publication Date
WO2010016688A2 true WO2010016688A2 (ko) 2010-02-11
WO2010016688A3 WO2010016688A3 (ko) 2010-04-22

Family

ID=41664072

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2009/004284 WO2010016688A2 (ko) 2008-08-04 2009-07-31 무소음 가압 송풍기

Country Status (6)

Country Link
US (1) US20110142706A1 (ja)
EP (1) EP2322806A4 (ja)
JP (1) JP5272077B2 (ja)
KR (1) KR100966898B1 (ja)
CN (1) CN102144099A (ja)
WO (1) WO2010016688A2 (ja)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109625261B (zh) * 2017-10-06 2023-09-22 松下电器(美国)知识产权公司 无人飞行器

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1193808A (en) * 1916-08-08 Canada
DE617955C (de) * 1935-08-29 Fried Krupp Germaniawerft Akt Drehkolbenverdichter
US1071342A (en) * 1913-08-26 Edgar F Prall Gas-engine.
US960994A (en) * 1909-12-20 1910-06-07 Newell H Motsinger Rotary engine.
DE567478C (de) * 1931-04-25 1933-01-04 Fried Krupp Germaniawerft Akt Drehkolbenverdichter
US2198786A (en) * 1935-02-07 1940-04-30 Imo Ind Stockholm Ab Power transmission to or from a fluid
US2232702A (en) * 1939-03-21 1941-02-25 Holzknecht Felix Rotary steam engine
US2437658A (en) * 1944-01-21 1948-03-09 Alfred O Williams Interengaging impeller type blower or pump
US2471813A (en) * 1944-09-28 1949-05-31 Chrysler Corp Injection molding apparatus
US3269328A (en) * 1964-09-28 1966-08-30 Laval Turbine Screw pumps or motors
US3438569A (en) * 1967-02-28 1969-04-15 Cornell Aeronautical Labor Inc Rotary wave compressors and the like
US3519375A (en) * 1968-06-18 1970-07-07 Laval Turbine Screw pumps
US3726616A (en) * 1971-01-11 1973-04-10 Univ Northwestern Fluid actuated energy translating device
US4152100A (en) * 1975-06-24 1979-05-01 Compair Industrial Ltd. Rotary piston compressor having pistons rotating in the same direction
SE407839B (sv) * 1977-09-15 1979-04-23 Imo Industri Ab Skruvmaskin
JPS55139991A (en) * 1979-04-19 1980-11-01 Goro Kihara Rotary piston compressor with stroke-change mechanism
DE2951591A1 (de) * 1979-12-21 1981-07-02 Arthur Pfeiffer Vakuumtechnik Wetzlar Gmbh, 6334 Asslar Mehrstufige waelzkolbenpumpe
SE439042B (sv) * 1983-07-20 1985-05-28 Imo Ab Skruvpump med regleranordning
US5039289A (en) * 1983-11-07 1991-08-13 Wankel Gmbh Rotary piston blower having piston lobe portions shaped to avoid compression pockets
US5080568A (en) * 1990-09-20 1992-01-14 Bernard Zimmern Positive displacement rotary machine
JPH05172094A (ja) * 1991-05-18 1993-07-09 Usui Internatl Ind Co Ltd モーター・ファン装置
JP3965756B2 (ja) * 1998-02-03 2007-08-29 松下電器産業株式会社 遠心ポンプ
JP2001050197A (ja) * 1999-08-03 2001-02-23 Shizuo Hikita 食品調製機用の送風機
JP3629702B2 (ja) * 2001-12-21 2005-03-16 ダイキン工業株式会社 送風機
JP2004003496A (ja) * 2003-05-07 2004-01-08 Hisao Kitayama 二対三型二軸式回転ポンプ
US20050039289A1 (en) * 2003-08-20 2005-02-24 Buxton Richard Street sweeper guide bar

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
None
See also references of EP2322806A4

Also Published As

Publication number Publication date
KR20100015285A (ko) 2010-02-12
CN102144099A (zh) 2011-08-03
KR100966898B1 (ko) 2010-06-30
WO2010016688A3 (ko) 2010-04-22
EP2322806A2 (en) 2011-05-18
JP2011530042A (ja) 2011-12-15
EP2322806A4 (en) 2012-02-29
JP5272077B2 (ja) 2013-08-28
US20110142706A1 (en) 2011-06-16

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