KR100895676B1 - Impeller with one shroud which discharge both-side - Google Patents

Impeller with one shroud which discharge both-side Download PDF

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Publication number
KR100895676B1
KR100895676B1 KR1020080002017A KR20080002017A KR100895676B1 KR 100895676 B1 KR100895676 B1 KR 100895676B1 KR 1020080002017 A KR1020080002017 A KR 1020080002017A KR 20080002017 A KR20080002017 A KR 20080002017A KR 100895676 B1 KR100895676 B1 KR 100895676B1
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South Korea
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shroud
impeller
wings
wing
pump
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KR1020080002017A
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Korean (ko)
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이남
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이남
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    • 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
    • F04D29/18—Rotors
    • F04D29/22—Rotors specially for centrifugal pumps
    • F04D29/24—Vanes
    • F04D29/242—Geometry, shape
    • F04D29/245—Geometry, shape for special effects
    • 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
    • F04D29/007—Details, component parts, or accessories especially adapted for liquid pumps
    • 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
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D7/00—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts
    • F04D7/02—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type
    • F04D7/04—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type the fluids being viscous or non-homogenous
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2210/00—Working fluids
    • F05D2210/10—Kind or type
    • F05D2210/11—Kind or type liquid, i.e. incompressible
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2260/00—Function
    • F05D2260/60—Fluid transfer
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S415/00—Rotary kinetic fluid motors or pumps
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S416/00—Fluid reaction surfaces, i.e. impellers
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S417/00—Pumps

Abstract

본 발명은 원슈라우드 양면토출 임펠러에 관한 것으로, 그 목적은 슈라우드의 양면에 유체의 펌핑을 위한 날개를 구비하여 하나의 임펠러를 이용하여 다단펌프와 같은 효과를 구현할 수 있는 원슈라우드 양면토출 임펠러를 제공함에 있다. 이를 위한 본 발명은 펌프용 임펠러에 있어서, 전후면을 관통하는 홀이 중앙부에 구비된 슈라우드; 상기 슈라우드의 홀에 고정되고, 펌프의 구동축과 연결되어 회전하며, 원주상에 다수개의 보조날개들이 구비되어 유체의 흡입을 돕는 프로펠러형 회전체; 상기 슈라우드에 전면에 상호 등간격을 갖도록 설치되는 다수개의 제1 날개들; 및 상기 슈라우드의 후면에 상호 등간격을 갖도록 설치되는 다수개의 제2 날개들;을 구비하는 원슈라우드 양면토출 임펠러를 특징으로 한다.The present invention relates to a one-shroud double-sided discharge impeller, the object of which is to provide a one-shroud double-sided discharge impeller having a wing for pumping the fluid on both sides of the shroud to realize the same effect as a multistage pump using one impeller. Is in. To this end, the present invention provides a pump impeller comprising: a shroud having a central portion through which a hole penetrating a front and rear surface; A propeller-type rotating body fixed to the hole of the shroud, connected to the driving shaft of the pump, and provided with a plurality of auxiliary wings on a circumference to help suction of the fluid; A plurality of first wings installed on the shroud at equal intervals on the front surface thereof; And a plurality of second wings installed on the rear surface of the shroud so as to have equal spacing therebetween.

슈라우드, 프로펠러형 임펠러, 제1 날개, 제2 날개 Shroud, propeller type impeller, first wing, second wing

Description

원슈라우드 양면토출 임펠러{Impeller with one shroud which discharge both-side}One Shroud Impeller {Impeller with one shroud which discharge both-side}

본 발명은 임펠러에 관한 것으로, 특히 슈라우드(shroud)의 양면에 날개가 구비되어 하나의 임펠러를 이용하여 다단펌프와 같은 효과를 구현할 수 있는 원슈라우드 양면토출 임펠러에 관한 것이다.The present invention relates to an impeller, and more particularly, to a one-shrouded double-sided impeller capable of realizing an effect such as a multistage pump by using a single impeller with wings on both sides of a shroud.

일반적으로 원심펌프는 펌프하우징 내에 다수개의 날개를 구비한 채로 구동축과 연결되어 회전하는 임펠러가 구비되어 있으며, 상기 임펠러의 회전에 의해 임펠러의 중심으로 유체가 유입되고, 유입된 유체가 임펠러에 구비된 날개들의 사이를 통과하면서 속도 및 압력을 부여받은 상태로 임펠러의 측면으로 빠져나가면서 유체의 펌핑이 이루어지게 된다.In general, the centrifugal pump is provided with an impeller connected to the drive shaft while rotating with a plurality of wings in the pump housing, the fluid is introduced into the center of the impeller by the rotation of the impeller, the introduced fluid is provided in the impeller The pumping of the fluid is made while passing through the blades and exiting to the side of the impeller under velocity and pressure.

상기와 같이 임펠러는 펌프 하우징의 내부에 설치되어 회전함으로써 유체의 흡입을 위한 압력을 형성하고, 또한 흡입된 유체를 펌프 하우징의 외부로 토출하는 압력을 형성하는 펌프의 핵심부품이다.As described above, the impeller is installed inside the pump housing and rotates to form a pressure for suction of the fluid, and also to form a pressure for discharging the sucked fluid to the outside of the pump housing.

상기와 같은 임펠러는 구조에 따라 마주하는 두 슈라우드의 사이에 날개가 구비된 밀폐형 임펠러(Closed impeller)와, 슈라우드의 일측에 날개가 구비된 개방형 임펠러(Open impeller)로 구분될 수 있다.The impeller as described above may be classified into a closed impeller provided with a wing between two shrouds facing each other, and an open impeller provided with a wing at one side of the shroud.

그러나 밀폐형 임펠러나 개방형 임펠러와 같은 종래의 임펠러는 슈라우드의 한쪽면에만 날개가 구비되어 있으므로, 펌프의 효율 향상에 제한이 따르는 문제점이 있었다.However, conventional impellers such as hermetic impellers or open impellers are provided with wings only on one side of the shroud, so there is a problem in that the efficiency of the pump is limited.

본 발명은 상기와 같은 문제점을 고려하여 이루어진 것으로, 본 발명의 목적은 슈라우드의 양면에 유체의 펌핑을 위한 날개를 구비하여 펌프의 효율을 보다 향상시킬 수 있는 원슈라우드 양면토출 임펠러를 제공함에 있다.The present invention has been made in consideration of the above problems, and an object of the present invention is to provide a one-shrouded double-sided discharge impeller that can further improve the efficiency of the pump by having wings for pumping fluid on both sides of the shroud.

본 발명의 다른 목적은 하수처리장에서 발생되는 고농축의 슬러지를 효과적으로 폄핑할 수 있도록 하는 원슈라우드 양면토출 임펠러를 제공함에 있다.Another object of the present invention is to provide a one-shroud double-sided discharge impeller to effectively pump the highly concentrated sludge generated in the sewage treatment plant.

상기한 바와 같은 목적을 달성하고 종래의 결점을 제거하기 위한 과제를 수행하는 본 발명은 펌프용 임펠러에 있어서,In the present invention to achieve the object as described above and to perform the problem for removing the conventional defects, in the pump impeller,

전후면을 관통하는 홀이 중앙부에 구비된 슈라우드;A shroud having a hole penetrating the front and rear surfaces at a central portion thereof;

상기 슈라우드의 홀에 고정되고, 펌프의 구동축과 연결되어 회전하며, 원주상에 다수개의 보조날개들이 구비되어 유체의 흡입을 돕는 프로펠러형 회전체;A propeller-type rotating body fixed to the hole of the shroud, connected to the driving shaft of the pump, and provided with a plurality of auxiliary wings on a circumference to help suction of the fluid;

상기 슈라우드에 전면에 상호 등간격을 갖도록 설치되는 다수개의 제1 날개들; 및A plurality of first wings installed on the shroud at equal intervals on the front surface thereof; And

상기 슈라우드의 후면에 상호 등간격을 갖도록 설치되는 다수개의 제2 날개 들;을 구비하는 원슈라우드 양면토출 임펠러를 특징으로 한다.It is characterized in that the one-shrouded double-sided discharge impeller having a; a plurality of second wings installed on the rear of the shroud to have an equal interval.

상기와 같은 특징을 갖는 본 발명에 의하면, 슈라우드의 중앙부에 설치된 프로펠러형 회전체에 의하여 더욱 강한 흡인력으로 유체의 흡입이 가능해지고, 슈라우드의 양측면에 구비된 제1 날개 및 제2 날개에 의해 강한 토출력의 구현이 가능해지므로 하수처리장 등에서 발생되는 고농축 슬러지의 효과적이 이송이 가능하게 되었다.According to the present invention having the above characteristics, it is possible to inhale the fluid with a stronger suction force by the propeller-type rotating body installed in the central portion of the shroud, and the strong toe by the first and second wings provided on both sides of the shroud Since the output can be implemented, the highly concentrated sludge generated in the sewage treatment plant can be effectively transported.

또한 슈라우드의 양측면에 각각 설치된 제1 날개 및 제2 날개에 의하여 유체의 토출이 이루어지므로 다단펌프와 같은 고양정의 구현이 가능하게 되었다.In addition, since the fluid is discharged by the first blade and the second blade respectively installed on both sides of the shroud, high lift such as a multistage pump can be realized.

이하, 본 발명의 바람직한 실시 예를 첨부된 도면과 연계하여 상세히 설명하면 다음과 같다. 본 발명을 설명함에 있어서, 관련된 공지기능 혹은 구성에 대한 구체적인 설명이 본 발명의 요지를 불필요하게 흐릴 수 있다고 판단되는 경우 그 상세한 설명은 생략한다.Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. In describing the present invention, if it is determined that the detailed description of the related known function or configuration may unnecessarily obscure the subject matter of the present invention, the detailed description thereof will be omitted.

도 1은 본 발명의 바람직한 실시 예에 따른 임펠러의 사시도를, 도 2는 본 발명의 바람직한 실시 예에 따른 임펠러의 저면 사시도를, 도 3은 도 1의 평면도를, 도 4는 도 1의 저면도를 도시하고 있다.1 is a perspective view of an impeller according to a preferred embodiment of the present invention, Figure 2 is a bottom perspective view of the impeller according to a preferred embodiment of the present invention, Figure 3 is a plan view of Figure 1, Figure 4 is a bottom view of Figure 1 It is shown.

도 1 내지 도 4를 참조하면, 본 발명의 바람직한 실시 예에 따른 임펠러는 슈라우드(110)의 중앙부에 프로펠러형 회전체(120)가 구비되고, 슈라우드(110)의 전후면에 제1 날개(130)들과 제2 날개(140)들이 구비된 것으로 구성되어 있다. 이러한 임펠러는 프로펠러형 회전체(120)에 의해 유체의 흡인력을 높이고, 제1 날개(130) 및 제2 날개(140)를 이용하여 다단펌프와 같은 효과를 구현함으로써 하수처리장에서 발생되는 고농축 슬러지의 경우에도 원거리 이송이 가능하도록 한 것으로, 이하 각각의 구성요소에 대해 구체적으로 설명한다.1 to 4, the impeller according to the preferred embodiment of the present invention is provided with a propeller-type rotating body 120 in the center of the shroud 110, the first wing 130 on the front and rear surfaces of the shroud 110 ) And second wings 140 are provided. The impeller increases the suction force of the fluid by the propeller-type rotating body 120, and implements the same effect as the multi-stage pump by using the first blade 130 and the second blade 140 of the highly concentrated sludge generated in the sewage treatment plant. In this case, even long distance transfer is possible, and each component will be described in detail below.

상기 슈라우드(110)는 프로펠러형 회전체(120)가 설치되는 홀(111)이 중앙부 전후면을 관통하도록 형성된 원판형으로 구성되어 있다.The shroud 110 is configured in a disk shape formed so that the hole 111 through which the propeller-type rotating body 120 is installed penetrates the front and rear surfaces of the central portion.

상기 프로펠러형 회전체(120)는 슈라우드(110)의 홀(111) 내에 배치된 상태에서 슈라우드(110)에 고정되어 슈라우드(110)와 함께 회전하도록 설치되며, 미도시된 펌프의 구동축과 연결된다. 이러한 프로펠러형 회전체(120)는 축류형 임펠러와 같은 구성으로 구동축과 연결되는 허브(121)와, 상기 허브(121)의 외주상에서 상호 등간격을 갖도록 설치되는 다수개의 보조날개(122)들로 구성되며, 이때 프로펠러형 회전체(120)와 슈라우드(110)의 일체화를 위하여 보조날개(122)가 슈라우드(110)의 홀(111)에 고정된 구조로 되어 있다.The propeller-type rotating body 120 is fixed to the shroud 110 in a state disposed in the hole 111 of the shroud 110 is installed to rotate with the shroud 110, and is connected to the drive shaft of the pump not shown . The propeller-type rotating body 120 has a hub 121 connected to the drive shaft in a configuration such as an axial flow impeller, and a plurality of auxiliary wings 122 installed to have equal intervals on the outer circumference of the hub 121. At this time, the auxiliary blade 122 is fixed to the hole 111 of the shroud 110 in order to integrate the propeller-type rotating body 120 and the shroud 110.

한편 상기와 같이 슈라우드(110)의 홀(111) 내에 프로펠러형 회전체(120)가 설치된 경우, 보조날개(122)들에 의하여 홀(111)과 프로펠러형 회전체(120)의 사이에는 슈라우드(110)의 전후면을 연결하여 흡입되는 유체의 유동이 가능하게 하는 유로(P)가 형성되며, 이처럼 형성되는 유로(P)는 공지의 밸런스홀과 같이 축추력에서 오는 스러스트를 상쇄하는 기능을 제공하게 된다.On the other hand, when the propeller-type rotating body 120 is installed in the hole 111 of the shroud 110 as described above, the shroud (between the hole 111 and the propeller-type rotating body 120 by the auxiliary blades 122) A flow path P for connecting the front and rear surfaces of the 110 to allow the flow of the sucked fluid is formed, and the flow path P formed as described above provides a function of canceling the thrust coming from the axial thrust as in the known balance hole. Done.

상기 제1 날개(130)는 슈라우드(110)의 전면에서 상호 등간격을 갖도록 다수개가 제공되며, 바람직하게는 보조날개(122)들과 동일한 개수가 제공된다. 이처럼 보조날개(122)와 동일한 개수로 제공되는 다수개의 제1 날개(130)들은 보조날개(122)의 끝단부를 시작으로 하여 원호를 그리며 슈라우드(110)의 외주로 연장되도록 구성되어 각각의 보조날개(122)와 이에 연결되는 제1 날개(130)는 흡사 하나의 날개와 같은 연속된 구조를 형성하게 되므로, 보조날개(122)의 회전에 의해 유입되는 유체가 자연스럽게 제1 날개(130)들의 사이로 유입되어 토출되도록 구성된다.The first wings 130 are provided in plural so as to have the same distance from the front of the shroud 110, preferably the same number as the auxiliary wings (122). As described above, the plurality of first wings 130 provided in the same number as the auxiliary wings 122 are configured to extend to the outer circumference of the shroud 110 by drawing arcs starting from the end of the auxiliary wings 122. Since the 122 and the first wing 130 connected thereto form a continuous structure similar to one wing, the fluid introduced by the rotation of the auxiliary wing 122 naturally flows between the first wings 130. It is configured to be introduced and discharged.

상기 제2 날개(140)는 슈라우드(110)의 후면에서 상호 등간격을 갖도록 다수개가 제공되며, 바람직하게는 보조날개(122)와 동일한 개수가 제공된다. 이처럼 보조날개(122)와 동일한 개수로 제공되는 다수개의 제2 날개(140)들은 제1 날개(130)와 마찬가지로 보조날개(122)의 끝단부를 시작으로 하여 원호를 그리며 슈라우드(110)의 외주로 연장되도록 구성된다.The second wings 140 are provided in plural so as to have an equal distance from each other at the rear of the shroud 110, preferably the same number as the auxiliary wing 122 is provided. As described above, the plurality of second wings 140 provided in the same number as the auxiliary wings 122 are similar to the first wings 130, starting with the end of the auxiliary wings 122, and drawing an arc to the outer circumference of the shroud 110. Configured to extend.

상기와 같이 구성된 본 발명의 임펠러는 공지의 임펠러와 마찬가지로 원심펌프의 내부에 설치되어 회전하게 되며, 이때 슈라우드(110)의 중앙부에 설치된 프로펠러형 회전체(120)는 유체의 흡인력을 증가시켜 하수처리장에서 발생되는 고농축 슬러지의 경우에도 원활한 흡입이 가능하게 한다.The impeller of the present invention configured as described above is installed inside the centrifugal pump and rotates like the known impeller, and the propeller-type rotating body 120 installed at the central portion of the shroud 110 increases the suction force of the fluid and sewage treatment plant. Even in the case of highly concentrated sludge generated from, it enables a smooth suction.

한편 임펠러의 중심부로 흡입된 유체는 슈라우드(110)의 전면에 구비된 제1 날개(130)들의 사이에 형성된 통로 및 슈라우드(110)의 후면에 구비된 제2 날 개(140)들의 사이에 형성된 통로를 통과하면서 속도 및 압력에너지를 부여받아 토출이 이루어지게 되며, 이처럼 슈라우드(110)의 전면과 후면에 각기 구비된 제1 날개(130)들 및 제2 날개(140)들에 의해 유체의 토출이 이루어지게 되므로, 하나의 임펠러로서 다단펌프와 같은 고양정의 구현이 가능하게 된다.Meanwhile, the fluid sucked into the center of the impeller is formed between the passage formed between the first wings 130 provided at the front of the shroud 110 and the second blades 140 provided at the rear of the shroud 110. Discharge is made by passing velocity and pressure energy while passing through the passage, and the fluid is discharged by the first vanes 130 and the second vanes 140 respectively provided on the front and rear surfaces of the shroud 110. Since this is made, it is possible to implement a high head, such as a multi-stage pump as one impeller.

본 발명은 상술한 특정의 바람직한 실시 예에 한정되지 아니하며, 청구범위에서 청구하는 본 발명의 요지를 벗어남이 없이 당해 발명이 속하는 기술분야에서 통상의 지식을 가진 자라면 누구든지 다양한 변형실시가 가능한 것은 물론이고, 그와 같은 변경은 청구범위 기재의 범위 내에 있게 된다.The present invention is not limited to the above-described specific preferred embodiments, and various modifications can be made by any person having ordinary skill in the art without departing from the gist of the present invention claimed in the claims. Of course, such changes will fall within the scope of the claims.

도 1 은 본 발명의 바람직한 실시 예에 따른 임펠러의 사시도,1 is a perspective view of an impeller according to a preferred embodiment of the present invention,

도 2 는 본 발명의 바람직한 실시 예에 따른 임펠러의 저면 사시도,2 is a bottom perspective view of an impeller according to a preferred embodiment of the present invention;

도 3 은 도 1의 평면도,3 is a plan view of FIG.

도 4 는 도 1의 저면도.4 is a bottom view of FIG. 1.

<도면의 주요 부분에 대한 부호의 설명><Explanation of symbols for the main parts of the drawings>

(110) : 슈라우드 (111) : 홀110: shroud 111: hall

(120) : 프로펠러형 회전체 (121) : 허브120: propeller-type rotating body 121: hub

(122) : 보조날개 (130) : 제1 날개(122): Secondary Wings (130): First Wings

(140) : 제2 날개140: second wing

Claims (3)

펌프용 임펠러에 있어서,In the impeller for the pump, 전후면을 관통하는 홀(111)이 중앙부에 구비된 슈라우드(110);A shroud 110 having a hole 111 penetrating the front and rear surfaces at a central portion thereof; 상기 슈라우드(110)의 홀(111)에 고정되고, 펌프의 구동축과 연결되어 회전하며, 원주상에 다수개의 보조날개(122)들이 구비되어 유체의 흡입을 돕는 프로펠러형 회전체(120);A propeller-type rotating body (120) fixed to the hole (111) of the shroud (110), connected to the drive shaft of the pump and rotating, and having a plurality of auxiliary wings (122) on a circumference to help suction of the fluid; 상기 슈라우드(110)에 전면에 상호 등간격을 갖도록 설치되는 다수개의 제1 날개(130)들; 및A plurality of first wings 130 installed on the shroud 110 at equal intervals on the front surface thereof; And 상기 슈라우드(110)의 후면에 상호 등간격을 갖도록 설치되는 다수개의 제2 날개(140)들;을 구비하는 것을 특징으로 하는 원슈라우드 양면토출 임펠러.One-shrouded double-sided discharge impeller comprising a; a plurality of second wings (140) installed on the rear of the shroud (110) having an equal interval. 제 1 항에 있어서,The method of claim 1, 상기 제1 날개(130)들 및 상기 제2 날개(140)들은 프로펠러형 회전체(120)에 구비된 보조날개(122)들과 동일한 개수로 구성된 것을 특징으로 하는 원슈라우드 양면토출 임펠러.The first shroud 130 and the second wing 140 is one-shrouded double-sided discharge impeller, characterized in that configured in the same number as the auxiliary blades 122 provided in the propeller-type rotating body (120). 제 2 항에 있어서,The method of claim 2, 상기 각각의 제1 날개(130) 및 상기 각각의 제2 날개(140)는 각 보조날개(122)의 끝단부를 시작으로 하여 원호를 그리며 슈라우드(110)의 외주로 연장되도록 형성된 것을 특징으로 하는 펌프용 임펠러.Each of the first wing 130 and each of the second wing 140 is a pump characterized in that it is formed to extend to the outer circumference of the shroud 110 by drawing an arc starting from the end of each auxiliary wing 122 Dragon impeller.
KR1020080002017A 2008-01-08 2008-01-08 Impeller with one shroud which discharge both-side KR100895676B1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101204381B1 (en) 2010-03-31 2012-11-23 박종하 Assistance impeller for water pump

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5853700A (en) 1981-09-25 1983-03-30 Mitsubishi Heavy Ind Ltd Diffuser of pump, etc.
US6158959A (en) 1997-11-18 2000-12-12 Itt Manufacturing Enterprises, Inc. Pump impeller
JP2004232525A (en) 2003-01-29 2004-08-19 Heishin Kikai Kogyo Kk Concentrically split impeller and manufacturing method thereof
KR100540381B1 (en) 2004-05-25 2006-01-12 박홍배 Impeller for Self-priming Pump

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5853700A (en) 1981-09-25 1983-03-30 Mitsubishi Heavy Ind Ltd Diffuser of pump, etc.
US6158959A (en) 1997-11-18 2000-12-12 Itt Manufacturing Enterprises, Inc. Pump impeller
JP2004232525A (en) 2003-01-29 2004-08-19 Heishin Kikai Kogyo Kk Concentrically split impeller and manufacturing method thereof
KR100540381B1 (en) 2004-05-25 2006-01-12 박홍배 Impeller for Self-priming Pump

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101204381B1 (en) 2010-03-31 2012-11-23 박종하 Assistance impeller for water pump

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