KR20120001862A - Weight loss in turbo-fan - Google Patents

Weight loss in turbo-fan Download PDF

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Publication number
KR20120001862A
KR20120001862A KR1020100062463A KR20100062463A KR20120001862A KR 20120001862 A KR20120001862 A KR 20120001862A KR 1020100062463 A KR1020100062463 A KR 1020100062463A KR 20100062463 A KR20100062463 A KR 20100062463A KR 20120001862 A KR20120001862 A KR 20120001862A
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South Korea
Prior art keywords
base
hub
motor
protrusion
center
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KR1020100062463A
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Korean (ko)
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KR101221165B1 (en
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장부백
이창익
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위니아만도 주식회사
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Priority to KR1020100062463A priority Critical patent/KR101221165B1/en
Publication of KR20120001862A publication Critical patent/KR20120001862A/en
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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
    • F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
    • F04D17/08—Centrifugal 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
    • F04D29/05—Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
    • F04D29/053—Shafts
    • F04D29/054—Arrangements for joining or assembling shafts
    • 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
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
    • F04D29/281—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers
    • 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
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
    • F04D29/30—Vanes
    • 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
    • F05D2210/12—Kind or type gaseous, i.e. compressible
    • 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

PURPOSE: A turbo fan is provided to reduce the weight thereof by removing a part of a base and secure stable coupling with a motor through a hub including a protrusion and a hub shaft. CONSTITUTION: A weight-reduced turbo fan comprises a base(1) which is coupled to the rotary shaft of a motor and rotary blades(4) which are arranged at regular intervals along the circumference of the base in order to guide cold air drawn into the central portion of the base in a radial direction. A part of the base is removed to reduce weight. A hub(2) is formed in the center of the base to be coupled with the rotary shaft of the motor. The hub comprises a protrusion which is formed in the center of the base, where the height of the protrusion increases toward the center of the base, and a hub shaft which is formed on the inner side of the protrusion and coupled with the rotary shaft of the motor.

Description

중량감소형 터보팬 {Weight Loss in Turbo-fan}Weight Loss Turbo Fan {Weight Loss in Turbo-fan}

본 발명은 중량을 감소하는 터보팬에 관한 것이다.The present invention relates to a turbofan that reduces weight.

종래의 터보팬은, 도 1에 도시된 바와 같이, 모터의 회전축에 결합되는 베이스(1)와, 상기 베이스(1)의 가장자리에서 원주방향을 따라 일정 간격으로 이격 배열되어 상기 베이스(1)의 중앙측으로 유입된 냉기를 반경방향으로 안내하는 회전날개(4)를 포함한다.Conventional turbofans, as shown in Figure 1, the base (1) coupled to the rotational axis of the motor, is arranged at regular intervals along the circumferential direction at the edge of the base (1) of the base (1) Rotating blades (4) for guiding the cold air introduced to the center side in the radial direction.

이러한 종래의 터보팬은, 중량을 많이 차지하여 모터의 효율을 저하시키는 문제점이 발생한다.Such a conventional turbofan takes a lot of weight and causes a problem of lowering the efficiency of the motor.

본 발명은 전술한 문제를 해결하기 위하여 안출된 것으로, 터보팬의 중량을 감소하여 모터의 효율을 높인다.The present invention has been made to solve the above-mentioned problem, and reduces the weight of the turbo fan to increase the efficiency of the motor.

전술한 목적을 달성하기 위한 본 발명의 중량감소형 터보팬은, 모터의 회전축에 결합하는 베이스와, 상기 베이스의 원주방향을 따라 이격 배열되어 상기 베이스의 중앙측으로 유입된 냉기를 반경방향으로 안내하는 회전날개를 포함하며, 상기 베이스의 일부를 제거하여 중량을 감소하는 것을 특징으로 한다.The weight-reducing turbofan of the present invention for achieving the above object, the base coupled to the rotational axis of the motor, the rotation is arranged along the circumferential direction of the base and rotates to guide the cold air introduced to the center side of the base in the radial direction It includes a wing, characterized in that to reduce the weight by removing a portion of the base.

상기 베이스의 중앙에는 모터의 회전축과 결합하는 허브가 형성된다.A hub is formed at the center of the base to engage with the rotation shaft of the motor.

상기 허브는, 돌출부와 허브축을 포함한다.The hub includes a protrusion and a hub shaft.

상기 돌출부는 상기 베이스의 중앙에 형성되어, 상기 베이스의 중심으로 갈수록 높이가 증가한다.The protrusion is formed in the center of the base, the height increases toward the center of the base.

상기 허브축은 상기 돌출부의 내측으로 형성되어 모터의 회전축과 결합된다.The hub shaft is formed inside the protrusion and is coupled to the rotation shaft of the motor.

이상에서 설명한 바와 같은 본 발명의 중량감소형 터보팬에 따르면, 다음과 같은 효과가 있다.According to the weight reduction turbofan of the present invention as described above, the following effects are obtained.

베이스의 일부를 제거하여 중량을 감소하는 것을 특징으로 하여, 모터의 효율을 증가시킬 수 있다.By removing part of the base to reduce the weight, it is possible to increase the efficiency of the motor.

허브를 포함하여, 모터와 결합하여 회전 시 균형있게 회전할 수 있다.Including a hub, it can be combined with a motor to rotate in a balanced manner.

허브의 돌출부와 허브축을 포함하여, 모터의 회전축과 안정감 있게 결합시킬 수 있다.Including the hub and the shaft of the hub, it can be coupled to the rotation axis of the motor in a stable sense.

도 1은 종래의 터보팬의 정면도.
도 2는 본 발명의 바람직한 실시예에 따른 중량감소형 터보팬의 정면도.
도 3은 도 2의 단면도.1 is a front view of a conventional turbofan.
2 is a front view of a reduced weight turbofan according to a preferred embodiment of the present invention.
3 is a sectional view of Fig. 2;

이하, 본 발명의 바람직한 일실시예를 첨부도면을 참조하여 상세히 설명하면 다음과 같다.Hereinafter, a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

참고적으로, 이하에서 설명될 본 발명의 구성들 중 종래기술과 동일한 구성에 대해서는 전술한 종래기술을 참조하기로 하고 별도의 상세한 설명은 생략한다.For reference, among the configurations of the present invention to be described below, the same configuration as the prior art will be referred to the above-described prior art, and a detailed description thereof will be omitted.

도 2는 본 발명의 바람직한 실시예에 따른 중량감소형 터보팬의 정면도이고, 도 3은 도 2의 단면도이다.Figure 2 is a front view of a reduced weight turbofan according to a preferred embodiment of the present invention, Figure 3 is a cross-sectional view of FIG.

도 2에 도시된 바와 같이, 본 발명의 중량감소형 터보팬은, 모터의 회전축에 결합하는 베이스(1)와, 상기 베이스(1)의 원주방향을 따라 이격 배열되어 상기 베이스(1)의 중앙측으로 유입된 냉기를 반경방향으로 안내하는 회전날개(4)를 포함하며, 상기 베이스(1)의 일부를 제거하여 중량을 감소하는 것이 특징이다.
As shown in FIG. 2, the weight-reducing turbofan of the present invention includes a base 1 coupled to a rotating shaft of a motor and spaced apart along the circumferential direction of the base 1 to the center side of the base 1. It includes a rotary blade (4) for guiding the introduced cold air radially, characterized in that to reduce the weight by removing a portion of the base (1).

상기 베이스(1)는 허브(2)와 원판부(3)를 포함한다.The base 1 comprises a hub 2 and a disc part 3.

상기 허브(2)는 상기 베이스(1)의 중앙에 형성되어, 모터의 회전축과 결합된다.The hub 2 is formed in the center of the base 1, and is coupled to the rotation shaft of the motor.

상기 허브(2)는 돌출부(21)와 허브축(22)을 포함한다.The hub 2 includes a protrusion 21 and a hub shaft 22.

상기 돌출부(21)는 상기 베이스(1)의 중앙에 형성되어, 상기 베이스(1)의 중심으로 갈수록 높이가 증가하는 형태이다.The protruding portion 21 is formed at the center of the base 1, and the height increases toward the center of the base 1.

상기 허브축(22)은 상기 베이스(1)의 중심축과 동일하며, 상기 돌출부(21)의 내측으로 형성되어 상기 모터의 회전축과 결합된다.The hub shaft 22 is the same as the central axis of the base 1, is formed in the inner side of the protrusion 21 is coupled to the rotating shaft of the motor.

상기 허브(2)의 외경에는 평평한 판 구조의 원판부(3)가 일체로 형성된다.In the outer diameter of the hub 2, a disc portion 3 of a flat plate structure is integrally formed.

상기 원판부(3)는 외경과 내경을 갖는 평평판 판 구조로 형성된다.
The disc portion 3 is formed in a flat plate structure having an outer diameter and an inner diameter.

회전날개(4)는 익형으로, 곡선의 형태를 한다.Rotating blades 4 are airfoils, and have a curved shape.

상기 회전날개(4)는 상기 원판부(3)의 가장자리에서 원주방향을 따라 일정 간격으로 이격 배열되는 것이 바람직하다.
The rotary blades 4 are preferably spaced apart at regular intervals along the circumferential direction at the edge of the disc portion (3).

본 발명의 중량감소형 터보팬은, 상기 회전날개(4)를 지지하는 원판부(3)의 일부를 제외한, 남은 부분을 제거한다.The weight reduction turbofan of the present invention removes the remaining portion except for a part of the disc portion 3 supporting the rotary blade 4.

원판부(3)가 회전날개(4)를 지지하는 부분은, 각각의 회전날개(4)의 밑변(a)과 일정한 폭(w)를 가지며 전후 방향으로 형성된 부분을 의미한다.The part where the disc part 3 supports the rotary blade 4 means the part formed in the front-back direction, having the base side a of each rotary blade 4, and a constant width w.

제1회전날개(41)를 지지하는 부분은, 상기 제1회전날개(4)의 밑변(a)에 대해 전후 방향으로 각각 일정한 폭(w)을 가지며 형성된다.The part which supports the 1st rotary blade 41 is formed in the front-back direction with respect to the base side a of the said 1st rotary blade 4, respectively.

제2회전날개(42)를 지지하는 부분은, 상기 제2회전날개(4)의 밑변(a)에 대해 전후 방향으로 각각 일정한 폭(w)을 가지며 형성된다.The part which supports the 2nd rotary blade 42 is formed in the front-back direction with respect to the base side a of the said 2nd rotary blade 4, respectively.

제거되는 부분(9)은, 후술할 제1곡선(51)과, 후술할 제2곡선(62)과, 원판부(3)의 외경이 형성하는 부분이다.The portion 9 to be removed is a portion formed by the first curve 51 to be described later, the second curve 62 to be described later, and the outer diameter of the disc portion 3.

제1곡선(51)은 상기 제1회전날개(41)의 밑변(a)에서 일정 두께를 가지며, 상기 제1회전날개(41)의 후방에 형성된다.The first curve 51 has a predetermined thickness at the bottom side a of the first rotary blade 41, and is formed at the rear of the first rotary blade 41.

제2곡선(62)은 상기 제2회전날개(62)의 밑변(a)에서 일정 두께를 가지며, 상기 제2회전날개(62)의 전방에 형성된다.The second curve 62 has a predetermined thickness at the bottom side a of the second rotary blade 62 and is formed in front of the second rotary blade 62.

상기 제1곡선(51)은 상기 제2곡선(62)보다 경사가 완만하다.The first curve 51 is inclined more slowly than the second curve 62.

상기 제1곡선(51)과 상기 제2곡선(62)이 형성되면서, 교차점(7)이 형성된다.As the first curve 51 and the second curve 62 are formed, an intersection point 7 is formed.

상기 제거되는 부분(9)은, 상기 교차점(7)까지인 것이 바람직하다.
The part 9 to be removed is preferably up to the intersection point 7.

상기 제거되는 부분(9)을 적용한 중량감소형 터보팬은 바람개비의 형태를 한다.The reduced weight turbofan to which the removed part 9 is applied takes the form of a pinwheel.

이러한 중량감소형 터보팬은, 도 3에 도시된 바와 같이, 회전날개(4)를 변화없이 상기 베이스(1)의 원판부(3)가 일부 제거되어도, 터보팬의 주변 기구물(6)이 가이드 역할을 하여, 전체적인 풍량의 특성을 크게 변화시키지거나 공기의 흐름을 크게 변경시키지 않고, 모터의 효율을 높일 수 있다는 이점이 있다.In this weight reduction type turbofan, as shown in FIG. 3, even when the disc part 3 of the base 1 is partially removed without changing the rotary blade 4, the peripheral mechanism 6 of the turbofan serves as a guide. By doing so, there is an advantage that the efficiency of the motor can be increased without significantly changing the characteristics of the overall air volume or greatly changing the flow of air.

상술한 바와 같이, 본 발명의 바람직한 실시예를 참조하여 설명하였지만, 해당기술분야의 당업자는 하기의 특허청구범위에 기재된 본 발명의 사상 및 영역으로부터 벗어나지 않는 범위 내에서 본 발명을 다양하게 수정 또는 변형하여 실시할 수 있다.As described above, although described with reference to a preferred embodiment of the present invention, those skilled in the art various modifications or variations of the present invention without departing from the spirit and scope of the invention described in the claims below Can be carried out.

이상과 같이, 본 발명에 따른 중량감소형 터보팬은, 특히, 모터의 효율 증가를 필요로 하는 냉장고 및 김치냉장고에 적합하다.As described above, the weight-reduction turbofan according to the present invention is particularly suitable for refrigerators and kimchi refrigerators that require an increase in the efficiency of the motor.

1 : 베이스 2 : 허브
21 : 허브의 돌출부 22 : 허브의 허브축
3 : 원판부 9 : 원판부의 제거되는 부분
4 : 회전날개 a : 회전날개의 밑변
41 : 제1회전날개 51 : 제1곡선
42 : 제2회전날개 62 : 제2곡선
7 : 교차점 w : 회전날개 지지부분의 폭1: Base 2: Hub
21: protrusion of hub 22: hub axis of the hub
3: disc portion 9: portion to be removed
4: Rotating blade a: Bottom side of the rotary blade
41: first rotor blade 51: first curve
42: second rotor blade 62: second curve
7: intersection point w: width of rotor blade support part

Claims (3)

모터의 회전축에 결합하는 베이스;
상기 베이스의 원주방향을 따라 이격 배열되어 상기 베이스의 중앙측으로 유입된 냉기를 반경방향으로 안내하는 회전날개;를 포함하며,
상기 베이스의 일부를 제거하여 중량을 감소하는 것을 특징으로 하는 중량감소형 터보팬.A base coupled to the rotating shaft of the motor;
Includes; rotating blades spaced apart along the circumferential direction of the base to guide the cool air introduced to the center side of the base in the radial direction;
Weight reduction turbofan, characterized in that to reduce the weight by removing a portion of the base. 청구항 1에 있어서,
상기 베이스의 중앙에는 모터의 회전축과 결합하는 허브가 형성된 것을 특징으로 하는 중량감소형 터보팬.The method according to claim 1,
Weight reduction type turbo fan, characterized in that the hub is formed in the center of the base coupled with the rotating shaft of the motor. 청구항 2에 있어서,
상기 허브는, 돌출부와 허브축을 포함하며,
상기 돌출부는 상기 베이스의 중앙에 형성되어, 상기 베이스의 중심으로 갈수록 높이가 증가하고,
상기 허브축은 상기 돌출부의 내측으로 형성되어 모터의 회전축과 결합되는 것을 특징으로 하는 중량감소형 터보팬.The method according to claim 2,
The hub includes a protrusion and a hub axis,
The protrusion is formed in the center of the base, the height increases toward the center of the base,
The hub shaft is formed inside the protrusion is a weight reduction turbo fan, characterized in that coupled to the rotation shaft of the motor.
KR1020100062463A 2010-06-30 2010-06-30 Weight Loss in Turbo-fan KR101221165B1 (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20210053528A (en) * 2019-11-04 2021-05-12 주식회사 주호산업 Spurt pump for transporting high viscosity sludge
KR20220077569A (en) * 2020-12-02 2022-06-09 엘지전자 주식회사 Centrifugal fan

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR950025285A (en) * 1994-02-07 1995-09-15 이헌조 Centrifugal Fan for Two-Way Drive
KR100611011B1 (en) * 2005-01-07 2006-08-10 엘지전자 주식회사 Turbo-fan in an air harmonizing system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20210053528A (en) * 2019-11-04 2021-05-12 주식회사 주호산업 Spurt pump for transporting high viscosity sludge
KR20220077569A (en) * 2020-12-02 2022-06-09 엘지전자 주식회사 Centrifugal fan

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