WO2012050256A1 - Wafer-type venturi cone meter - Google Patents
Wafer-type venturi cone meter Download PDFInfo
- Publication number
- WO2012050256A1 WO2012050256A1 PCT/KR2010/007448 KR2010007448W WO2012050256A1 WO 2012050256 A1 WO2012050256 A1 WO 2012050256A1 KR 2010007448 W KR2010007448 W KR 2010007448W WO 2012050256 A1 WO2012050256 A1 WO 2012050256A1
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- WO
- WIPO (PCT)
- Prior art keywords
- venturi cone
- wafer type
- meta
- type venturi
- wafer
- Prior art date
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- 239000012530 fluid Substances 0.000 claims abstract description 34
- 230000008878 coupling Effects 0.000 claims description 16
- 238000010168 coupling process Methods 0.000 claims description 16
- 238000005859 coupling reaction Methods 0.000 claims description 16
- 238000011144 upstream manufacturing Methods 0.000 claims description 11
- 238000003780 insertion Methods 0.000 claims description 10
- 230000037431 insertion Effects 0.000 claims description 10
- 238000009835 boiling Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 claims 5
- 240000008042 Zea mays Species 0.000 claims 1
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 claims 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 claims 1
- 235000005822 corn Nutrition 0.000 claims 1
- 238000005259 measurement Methods 0.000 description 5
- 238000003754 machining Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Images
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/05—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects
- G01F1/34—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure
- G01F1/36—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure the pressure or differential pressure being created by the use of flow constriction
- G01F1/40—Details of construction of the flow constriction devices
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/05—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects
- G01F1/34—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure
- G01F1/36—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure the pressure or differential pressure being created by the use of flow constriction
- G01F1/40—Details of construction of the flow constriction devices
- G01F1/44—Venturi tubes
Definitions
- the present invention relates to a wafer type venturi cone meta, and more particularly, to a wafer type venturi cone meter with improved assembly properties and improved product reliability.
- a wafer type venturi cone meta is used for the measurement of flow rate in a fresh water field such as tap water or a low viscosity fluid.
- the conventional wafer type venturi cone meta has a venturi cone, and the venturi cone has a pointed end having a gentle inclination toward the high pressure side or the inflow side, and a rod supporting the venturi cone is attached to the other side, and a wing is fixed to the rod. End portion of the wing is made of a structure that is fitted into the insertion groove is fixed.
- the Venturi wing and the cone have to be replaced by a so-called assembly unit, and in practice, the cone must be tuned while changing the size of the cone according to various conditions.
- the problem is that the number of assemblies required for the task is large.
- the present applicant has a wafer-type Venturi cone meta for assembling the wing of the wing to the guide groove formed in the flowmeter body to facilitate replacement test and maintenance of the cone only, not the entire assembly. 0915088 is filed.
- these wafer type Venturi cone meta is filed.
- the object of the present invention devised in view of the above point is to provide a wafer type venturi cone meta to facilitate the installation of the venturi cone inside the flowmeter body and to reduce noise and vibration caused by the assembly tolerance. have.
- a wafer-type Venturi cone meta to prevent the flow of fluid by preventing a step between the inner surface of the flange member and the inner surface of the flow meter body.
- Still another object of the present invention is to provide a wafer-type venturi cone meta which allows the differential pressure hole formed in the flow meter body and the differential pressure hole formed in the flange member to coincide with the assembly.
- Still another object of the present invention is to provide a wafer-type Venturi cone meta which has a flange portion and a structure in which a center ring is mounted, thereby improving assembly.
- Still another object of the present invention is to provide a wafer-type Venturi cone meta with improved function by improving the shape of the cone, the coupling portion, the wing member and the like.
- Wafer type venturi cone meta for achieving the object of the present invention as described above is a flow meter body mounted to the middle portion of the conduit so that the fluid flow; A venturi cone inserted into the flow meter body; A wing member extending radially from one end of the venturi cone; And a flange member having a tubular shape in which the other end of the wing member is fixed and detachably inserted into and fixed to the inner surface of the flow meter body. It includes, characterized in that there is no step between the inner surface of the flange portion and the inner surface of the flow meter so that the flow of fluid is not disturbed.
- the flow meter body is formed with an insertion groove into which the flange member is inserted, and the insertion groove has a depth corresponding to the thickness of the flange member.
- a fixed portion extending radially is formed at one end of the flange member, the flow groove body is formed with a fixing groove into which the fixing portion is inserted.
- the fixing part is equipped with a fastening member for fixing the flange member to the flowmeter body.
- the fastening member is composed of two or more, at least one of which is mounted at a boiling interval.
- both ends of the flowmeter body are equipped with centering to facilitate center setting when attached to the conduit.
- the centering is formed in a circular ring shape having an inner diameter corresponding to the outer circumferential surface of the flowmeter body, and has a through hole through which a fixing bolt for fixing the flowmeter body to the conduit passes.
- the centering is formed in a circular ring shape having an inner diameter corresponding to the outer circumferential surface of the flowmeter body, and a fixing bolt for fixing the flowmeter body to the conduit is in close contact with the outer circumferential surface.
- the wing member has a widthwise length longer than the thickness so as to preserve the straightness of the fluid flowing in the conduit.
- the wing member has an inclined cross-sectional shape in which the thickness increases gradually from the upstream side to the downstream side from which the fluid is introduced.
- the wing member has a streamlined cross-sectional shape.
- one end of the venturi cone is coupled and a coupling portion having an inclined cross-sectional shape which is gradually increased in thickness from the upstream side to the downstream side from which the fluid flows is formed.
- one end of the venturi cone is coupled and a coupling portion having an inclined cross-sectional shape that gradually increases in thickness from the upstream side to the downstream side from which the fluid flows is formed.
- venturi cone is screwed to be detachable to the coupling portion.
- venturi cone is welded to the coupling portion.
- the venturi cone has a first inclined surface which gradually increases in thickness from an upstream side to a downstream side from which the fluid is introduced, and a thickness gradually increases toward a downstream side from an end of the first inclined surface. And a second inclined surface that is reduced, the first inclined surface being longer than the second inclined surface.
- the wafer-type venturi cone meta according to the present invention has an effect of easily mounting the venturi cone and improving the assemblability.
- the fluid flow is not disturbed, so accurate measurement is made, thereby improving the reliability of the product.
- the centering when the centering is mounted to mount the flowmeter body in the conduit, it is easy to match the center of the flowmeter body with the center of the conduit, and at least one of the fastening members mounted on the flange member is mounted at a boiling interval. At the same time, the differential pressure hole formed in the flow meter body and the differential pressure hole formed in the flange member are matched, thereby improving the assemblability and shortening the assembly time.
- FIG. 1 is a perspective view showing a wafer type venturi cone meta which is an embodiment of the present invention
- FIG. 2 is a cross-sectional view showing the wafer type venturi cone meta shown in FIG. 1;
- FIG. 3 is a side view showing a state in which the flange member shown in FIG. 1 is mounted;
- FIG. 4 is a cross-sectional view showing a section “A-A” shown in FIG. 2;
- FIG. 1 is a perspective view illustrating a wafer type venturi cone meta, which is a preferred embodiment of the present invention
- FIG. 2 is a cross-sectional view illustrating the wafer type venturi cone meta
- FIG. 3 is a flange member shown in FIG. 1. Is a side view showing a state in which is mounted
- Figure 4 is a cross-sectional view showing a section "AA" shown in Figure 2
- Figure 5 is a cross-sectional view showing the centering.
- a wafer type venturi cone meta which is a preferred embodiment of the present invention, includes a flow meter body 10 mounted to an intermediate portion of the conduit 1 and a venturi cone inserted into the flow meter body 10 to allow fluid to flow.
- the wing member 30 extending radially to one end of the venturi cone 20, and the other end of the wing member 30 is fixed and detachably inserted into the inner surface of the flowmeter body 10 is fixed It consists of a flange member 40 made of a tubular shape.
- Each end of the conduit (1) is formed so that the flange portion (2) facing each other, respectively, and interposing the flow meter body (10) between the flange portion (2), the fixing bolt (3) to fix it Is inserted.
- the flange portion 2 is formed with a through hole through which the fixing bolt 3 passes.
- the flow meter body 10 is made of a tubular shape having a predetermined length and inner diameter and is interposed between the flange portions 2 of the conduit 1.
- the differential pressure holes 11 penetrate through the circumferential surface at regular intervals. Although not shown, the differential pressure hole 11 is equipped with a pressure sensor.
- An insertion groove 13 inserted into a depth corresponding to the thickness of the flange member 40 is formed at one end of the inner side of the flow meter body 10, and a radially extended depth is formed at an outer end of the insertion groove 13 in the outer direction.
- the fixing groove 12 having is formed.
- the center ring 50 is mounted to facilitate center setting when mounted to the conduit. 1 and 2, the center ring has a circular ring shape, has an inner diameter corresponding to the outer circumferential surface of the flow meter body 10, and the flange portion 2 to fix the flowmeter body 10 to the outer circumferential surface.
- Fixing bolt (3) is fastened to the close contact. That is, it is made of a ring shape having a width equal to the interval between the outer peripheral surface of the flowmeter body 10 and the fixing bolt (3).
- the center ring 50 ′ of another structure has a ring shape having an inner diameter corresponding to the outer circumferential surface of the flowmeter body 10 as shown in FIG.
- the center rings 50 and 50 ' have a ring shape or a structure in which the through holes 51' are formed in the ring, so that the centering of the flowmeter main body 10 can be easily performed by maintaining a distance from the fixing bolt 3. If it is made of a structure, it is possible to apply a variety of structures in addition to the structure described above.
- the flange member 40 is formed in a tubular shape having a thickness corresponding to the depth of the insertion groove 13, the outer end of the fixing portion extended radially to be seated in the fixing groove 12 ( 41) is formed.
- the fixing part 41 is equipped with a fastening member 45 for fixing the flange member 40 to the flow meter body 20.
- Fastening member 45 is preferably made of a bolt, the fastening member 45 is made of a structure that is mounted two or more. It is preferable that three fastening members 45 are mounted.
- the fixing part 41 is formed with a through hole 42 through which the fastening member 45 penetrates, and a fastening groove 43 at a position corresponding to the through hole 42 on the bottom surface of the fixing groove 12 of the flowmeter body 10. ) Is formed.
- the fastening member 45 is a bolt, a female thread is processed in the fastening groove 43 so that the bolt can be fastened.
- each interval is formed as shown in Figure 3 (a) of each interval is made of a structure consisting of an equal interval (X).
- the spacing Y of any one of the plurality of through holes 42 and the fastening grooves 43 may be formed differently from the equal interval X so as to improve the assemblability. Can be.
- the assembly position is set to fasten the fastening member 45 and the flow meter body 10 is formed at the same time.
- the differential pressure hole 11 and the second differential pressure hole 44 formed in the flange member 40 coincide with each other.
- the through holes 42 and the fastening grooves 43 are formed in two, the gaps are different from each other, so that the differential pressure holes 11 and the second differential pressure holes 44 coincide with each other. It is characterized by.
- the venturi cone 20 is gradually thicker toward the downstream side from the end of the first slope 21 and the second inclined surface 21, the thickness of which increases gradually from the upstream side to the downstream side from which the fluid flows. Is made up of a second slope 21 which is reduced.
- the first inclined surface 21 is formed longer than the second inclined surface 22.
- the end portion facing the upstream side of the venturi cone 20, that is, the end portion of the first inclined surface 21 is coupled to the coupling portion 31.
- the venturi cone 20 may be screwed to be detachably attached to the coupling part 31, or may be configured to be welded or welded after being coupled or welded.
- Coupling portion 31 preferably has an inclined cross-sectional shape that increases in thickness from the upstream side to the downstream side from which the fluid flows.
- the wing member 30 extends radially with respect to the coupling part 31. As shown in the drawing, it is most preferable that three pieces are formed at equal intervals, but in the present invention, the wing member 30 is not limited to only three structures.
- the wing member 30 has a plate shape in which one side is connected to the coupling part 31 and the other side is mounted on the inner side of the flange member 40, and has a width longer than the thickness so as to preserve the straightness of the fluid flowing therein. Direction length. At this time, the ratio of the thickness and the length in the width direction is preferably made of 2 to 15, it may be configured as a structure having a ratio of 15 or more.
- the wing member 30 has a width direction longer than the thickness direction, and at the same time, as shown in FIG. 4 (a), the wing member 30 is gradually directed from the upstream side to the downstream side. It may be made of a structure having an inclined cross-sectional shape is increased in thickness, or may have a structure having a streamlined cross-sectional shape as shown in (b) of FIG. As long as the structure allows the fluid to flow smoothly as described above, a structure other than the inclined cross-sectional shape or the streamlined shape is also applicable.
- the wafer type venturi cone meta has a structure in which the flange member 40 is inserted into the insertion groove 13 of the flowmeter main body 10 and fixed thereto, whereby the outer peripheral surface of the flange member 40 and the insertion groove of the flowmeter main body 10 ( 13) It is possible to reduce the machining tolerances between the vibration and noise caused by the gap clearance, and at the same time can improve the assembly.
- the fastening member 45 can be firmly fixed and the fastening member 45 is not exposed to the outside.
- the aesthetics can be improved and the risk of loosening of the fastening member 45 during operation can be prevented.
- the wing member 30 has a structure in which the width direction length is longer than the thickness, and serves to help the fluid flowing inside to maintain the straightness.
- the wing member 30 is made of an inclined cross-sectional shape or streamlined cross-sectional shape to minimize the resistance element of the fluid flowing inside to allow the fluid to flow smoothly.
- Coupling portion 31 also has an inclined cross-sectional shape to minimize the resistance element of the fluid flowing inside to allow the fluid to flow smoothly.
- the venturi cone 20 when the venturi cone 20 is configured to be screwed so as to be detachable to the coupling portion 31, the venturi cone 20 can be replaced with the replacement of the flange member 40, so that the size of the conduit It is the same but can be utilized even if you want to change the shape of the venturi cone 20 only, and if the size of the conduit to be installed is changed, the venturi cone 20 can be used to replace only the flange member 40 while using the same Its usability is improved. That is, since the flange member 40 and the venturicon 20 can be used in common, the number of cases that can be installed according to the measurement environment is increased, thereby improving product reliability.
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Abstract
Description
Claims (15)
- 유체가 흐를 수 있도록 도관의 중간부에 장착되는 유량계 본체;A flow meter body mounted to an intermediate portion of the conduit to allow fluid to flow;상기 유량계 본체 내부에 삽입되는 벤츄리 콘;A venturi cone inserted into the flow meter body;상기 벤츄리 콘의 일측 끝단에서 방사형으로 연장되는 날개부재; 및 A wing member extending radially from one end of the venturi cone; And상기 날개부재의 타측 끝단이 고정되며 상기 유량계 본체 내측면에 탈부착 가능하게 삽입되어 고정되는 관 형상으로 이루어진 플랜지부재; 를 포함하며,A flange member having a tubular shape in which the other end of the wing member is fixed and detachably inserted into and fixed to the inner surface of the flow meter body; Including;유체의 흐름이 방해받지 않도록 상기 플랜지부 내측면과 상기 유량계 본체의 내측면 사이에 단차가 없는 것을 특징으로 하는 웨퍼형 벤츄리 콘 메타.Wafer type venturi cone meta characterized in that there is no step between the inner surface of the flange portion and the inner surface of the flowmeter body so that the flow of fluid is not disturbed.
- 제 1항에 있어서, 상기 유량계 본체에는 상기 플랜지부재가 삽입되는 삽입홈이 형성되고, 상기 삽입홈은 상기 플랜지부재의 두께에 대응되는 깊이를 갖는 것을 특징으로 하는 웨퍼형 벤츄리 콘 메타.The wafer type venturi cone meta according to claim 1, wherein an insertion groove into which the flange member is inserted is formed in the flowmeter body, and the insertion groove has a depth corresponding to a thickness of the flange member.
- 제 2항에 있어서, 상기 플랜지부재의 일측 끝단에는 방사형으로 확장된 고정부가 형성되고, 상기 유량계 본체에는 상기 고정부가 삽입되는 고정홈이 형성되는 것을 특징으로 하는 웨퍼형 벤츄리 콘 메타.The method according to claim 2, wherein the one end of the flange member radially extended fixing portion is formed, the flow meter body is a wafer type venturi cone meta characterized in that the fixing groove is formed is inserted into the fixing portion.
- 제 3항에 있어서, 상기 고정부에는 상기 플랜지부재를 상기 유량계 본체에 고정시키는 체결부재가 장착되는 것을 특징으로 하는 웨퍼형 벤츄리 콘 메타.4. The wafer type venturi cone meta according to claim 3, wherein the fixing part is provided with a fastening member for fixing the flange member to the flowmeter body.
- 제 4항에 있어서, 상기 체결부재는 두 개 이상으로 이루어지며, 그 중 적어도 하나가 비등간격으로 장착되는 것을 특징으로 하는 웨퍼형 벤츄리 콘 메타.5. The wafer type venturi cone meta according to claim 4, wherein the fastening member is formed of two or more pieces, and at least one of them is mounted at a boiling interval.
- 제 1항에 있어서, 유량계 본체의 양 끝단에는 도관에 장착 시, 센터 설정이 용이하도록 센터링이 장착되는 것을 특징으로 하는 웨퍼형 벤츄리 콘 메타.The wafer type venturi cone meta according to claim 1, wherein both ends of the flowmeter main body are equipped with centering to facilitate center setting when attached to a conduit.
- 제 6항에 있어서, 상기 센터링은 The method of claim 6, wherein the centering상기 유량계 본체의 외주면에 대응되는 내경을 갖는 원형의 링 형상으로 이루어지고, 상기 유량계 본체를 상기 도관에 고정시키는 고정볼트가 관통되는 관통홀이 구비되는 것을 특징으로 하는 웨퍼형 벤츄리 콘 메타.Wafer type venturi cone meta characterized in that it is made of a circular ring shape having an inner diameter corresponding to the outer circumferential surface of the flow meter body, and a through hole through which a fixing bolt for fixing the flow meter body to the conduit is provided.
- 제 6항에 있어서, 상기 센터링은 The method of claim 6, wherein the centering상기 유량계 본체의 외주면에 대응되는 내경을 갖는 원형의 링 형상으로 이루어지고, 외주면에는 상기 유량계 본체를 상기 도관에 고정시키는 고정볼트가 밀착되는 것을 특징으로 하는 웨퍼형 벤츄리 콘 메타.Wafer type venturi cone meta characterized in that the circular ring shape having an inner diameter corresponding to the outer circumferential surface of the flowmeter body, the fixing bolt for fixing the flowmeter body to the conduit is in close contact with the outer circumferential surface.
- 제 1항에 있어서, 상기 날개부재는 상기 도관 내부를 흐르는 유체의 직진성을 보전할 수 있도록 두께보다 긴 폭방향 길이를 갖는 것을 특징으로 하는 웨퍼형 벤츄리 콘 메타.The method according to claim 1, wherein the wing member is a wafer-shaped Venturi cone meta, characterized in that the length in the width direction longer than the thickness to preserve the straightness of the fluid flowing in the conduit.
- 제 9항에 있어서, 상기 날개부재는 유체가 유입되는 상류 측에서부터 하류 측 방향으로 향할 수록 점점 두께가 증가되는 경사 단면형상을 갖는 것을 특징으로 하는 웨퍼형 벤츄리 콘 메타.10. The wafer type venturi cone meta according to claim 9, wherein the wing member has an inclined cross-sectional shape that gradually increases in thickness from the upstream side to the downstream side from which the fluid is introduced.
- 제 9항에 있어서, 상기 날개부재는 유선형의 단면 형상을 갖는 것을 특징으로 하는 웨퍼형 벤츄리 콘 메타.10. The wafer type venturi cone meta according to claim 9, wherein the wing member has a streamlined cross-sectional shape.
- 제 1항에 있어서, 상기 날개부재의 일측 끝단에는 상기 벤츄리 콘의 일측 끝단이 결합되고 유체가 유입되는 상류 측에서부터 하류 측 방향으로 향할 수록 점점 두께가 증가되는 경사 단면형상을 갖는 결합부가 형성되는 것을 특징으로 하는 웨퍼형 벤츄리 콘 메타.The method of claim 1, wherein one end of the wing member is coupled to one end of the venturi cone is coupled to form a coupling portion having an inclined cross-sectional shape is gradually increased toward the downstream from the upstream side in which the fluid is introduced Wafer type venturi corn meta characterized by the above-mentioned.
- 제 12항에 있어서, 상기 벤튜리 콘은 상기 결합부에 탈부착 가능하도록 나사결합되는 것을 특징으로 하는 웨퍼형 벤츄리 콘 메타.13. The wafer type venturi cone meta according to claim 12, wherein the venturi cone is screwed to be detachably attached to the coupling portion.
- 제 12항에 있어서, 상기 벤츄리 콘은 상기 결합부에 용접결합되는 것을 특징으로 하는 웨퍼형 벤츄리 콘 메타.13. The wafer type venturi cone meta according to claim 12, wherein the venturi cone is welded to the coupling unit.
- 제 1항에 있어서, 상기 벤츄리 콘은 유체가 유입되는 상류 측에서부터 하류 측 방향으로 향할수록 점점 두께가 증가되는 제1경사면과,The venturi cone of claim 1, wherein the venturi cone has a first inclined surface that gradually increases in thickness from the upstream side to the downstream side from which the fluid is introduced;상기 제1경사면의 끝단에서부터 하류 측 방향으로 향할수록 점점 두께가 감소되는 제2경사면으로 이루어지고,The second inclined surface is gradually reduced in thickness toward the downstream from the end of the first inclined surface,상기 제1경사면은 상기 제2경사면 보다 길게 형성되는 것을 특징으로 하는 웨퍼형 벤츄리 콘 메타.And the first inclined plane is formed longer than the second inclined plane.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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AU2010362293A AU2010362293B2 (en) | 2010-10-12 | 2010-10-28 | Wafer-type venturi cone meter |
GB1307789.6A GB2499536B (en) | 2010-10-12 | 2010-10-28 | Wafer-type venturi cone meter |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020100099306A KR101200853B1 (en) | 2010-10-12 | 2010-10-12 | Wafer-type venturi meter |
KR10-2010-0099306 | 2010-10-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2012050256A1 true WO2012050256A1 (en) | 2012-04-19 |
Family
ID=45938456
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/KR2010/007448 WO2012050256A1 (en) | 2010-10-12 | 2010-10-28 | Wafer-type venturi cone meter |
Country Status (4)
Country | Link |
---|---|
KR (1) | KR101200853B1 (en) |
AU (1) | AU2010362293B2 (en) |
GB (1) | GB2499536B (en) |
WO (1) | WO2012050256A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101530949B1 (en) * | 2013-11-15 | 2015-06-25 | 하나머티리얼즈(주) | Cooling plate for plasma chamber |
US10132664B2 (en) * | 2016-10-27 | 2018-11-20 | Daniel Measurement And Control, Inc. | Adjustable flow meter system |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4137933A (en) * | 1977-02-14 | 1979-02-06 | Trw Inc. | Control valve |
JPH02306115A (en) * | 1989-05-19 | 1990-12-19 | Tokico Ltd | Turbine type flowmeter |
US5363699A (en) * | 1993-08-25 | 1994-11-15 | Ketema, Inc. | Method and apparatus for determining characteristics of fluid flow |
JPH0763587A (en) * | 1993-08-26 | 1995-03-10 | Tatsuno Co Ltd | Flow rate measuring device |
JP2007285859A (en) * | 2006-04-17 | 2007-11-01 | Ricoh Elemex Corp | Flowmeter and impeller thereof |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4020458B2 (en) * | 1997-06-19 | 2007-12-12 | 三菱電機株式会社 | Wireless communication system, data transmitter and data receiver |
-
2010
- 2010-10-12 KR KR1020100099306A patent/KR101200853B1/en not_active IP Right Cessation
- 2010-10-28 WO PCT/KR2010/007448 patent/WO2012050256A1/en active Application Filing
- 2010-10-28 GB GB1307789.6A patent/GB2499536B/en not_active Expired - Fee Related
- 2010-10-28 AU AU2010362293A patent/AU2010362293B2/en not_active Ceased
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4137933A (en) * | 1977-02-14 | 1979-02-06 | Trw Inc. | Control valve |
JPH02306115A (en) * | 1989-05-19 | 1990-12-19 | Tokico Ltd | Turbine type flowmeter |
US5363699A (en) * | 1993-08-25 | 1994-11-15 | Ketema, Inc. | Method and apparatus for determining characteristics of fluid flow |
JPH0763587A (en) * | 1993-08-26 | 1995-03-10 | Tatsuno Co Ltd | Flow rate measuring device |
JP2007285859A (en) * | 2006-04-17 | 2007-11-01 | Ricoh Elemex Corp | Flowmeter and impeller thereof |
Also Published As
Publication number | Publication date |
---|---|
AU2010362293A1 (en) | 2013-05-02 |
GB2499536A (en) | 2013-08-21 |
AU2010362293B2 (en) | 2015-01-29 |
KR20120037692A (en) | 2012-04-20 |
KR101200853B1 (en) | 2012-11-14 |
GB201307789D0 (en) | 2013-06-12 |
GB2499536B (en) | 2018-03-14 |
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