KR100999418B1 - Water control valve for multi-use - Google Patents

Water control valve for multi-use Download PDF

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Publication number
KR100999418B1
KR100999418B1 KR1020100077629A KR20100077629A KR100999418B1 KR 100999418 B1 KR100999418 B1 KR 100999418B1 KR 1020100077629 A KR1020100077629 A KR 1020100077629A KR 20100077629 A KR20100077629 A KR 20100077629A KR 100999418 B1 KR100999418 B1 KR 100999418B1
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KR
South Korea
Prior art keywords
valve
unit
flow path
branch pipe
valve casing
Prior art date
Application number
KR1020100077629A
Other languages
Korean (ko)
Inventor
유명은
이상록
이영상
최철민
Original Assignee
이상록
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Priority to KR1020100077629A priority Critical patent/KR100999418B1/en
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Publication of KR100999418B1 publication Critical patent/KR100999418B1/en

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K3/00Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
    • F16K3/02Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K3/00Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
    • F16K3/30Details
    • F16K3/314Forms or constructions of slides; Attachment of the slide to the spindle
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K37/00Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
    • F16K37/0058Optical means, e.g. light transmission, observation ports
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00Devices or appurtenances for use in, or in connection with, pipes or pipe systems

Abstract

PURPOSE: A multi-functional sluice valve for easy inspection of a pipeline is provided to prevent a leakage even if a fluid flows in a pipeline during inspection. CONSTITUTION: A multi-functional sluice valve for easy inspection of a pipeline comprises a valve casing(110) with a flow passage(111), a valve unit(120) including a disk which is moved up and down with the manipulation of a handle by a user, a branch pipe(130) which is located adjacent to the valve unit and vertically connected to the flow passage, a ball valve unit including a sphere(142) having a through hole(1421) vertically extended from the flow passage of the branch pipe, a camera unit(150) which is inserted in the valve casing and photographs the interior of the valve casing, and a drive unit which moves up and down the camera unit through the through hole of the sphere.

Description

Water control valve for multi-use

The present invention relates to a multi-functional distillation valve, and in particular, when the inspection of the multi-functional distillation valve installed between the pipeline and the pipeline is required, without the outflow of the fluid and irrespective of the pressure of the flowing fluid using the internal market value, The present invention relates to a multi-functional distillation valve that allows inspection of the interior of the equipment.

In general, when water leakage occurs in the plumbing facility for water or water supply and sewage, which is buried underground, a dilution valve for intermittent flow to close the both sides or the flow direction of the flow path in which the water leak occurs so that the flow can be replaced. Fire hydrants that provide water for extinguishing fires are not only expensive, but also require a separate installation space.

In particular, fire hydrants installed on sidewalks are exposed to walking paths as they are, which not only inconveniences walking, but also increases the risk of accidents such as pedestrians tripping and high damage rates due to the nature of exposure to the outside. High cost and manpower are required.

In consideration of the above circumstances, the present inventors have developed a multi-functional distillation valve of the present applicant, and the multi-functional distillation valve is disclosed in Korean Patent No. 0912107.

FIG. 1 is a perspective view of the multifunctional fresh water valve, and FIG. 2 is a sectional view of the multifunctional fresh water valve.

The multi-function dilution valve has a valve casing 10 in which a drain pipe is connected to both ends of the flow path 11 is formed; A flange portion 20 in communication with the flow path 11 of the valve casing 10 and having a lifting space 21 formed therein; A rotating part 30 rotatably connected to the flange part 20; A valve rod 40 fixed to the lower side of the pivoting part 30; A valve disc 50 that is spirally coupled to the valve rod 40 to open and close the flow path 11 of the valve casing 10; It is formed integrally with the side of the flange portion 20, the branch pipe 22 having a relay flow path (22a) in communication with the lifting space 21 therein; And an outlet passage 61 fixedly connected to the branch pipe 22 to communicate with the relay flow path 22a of the branch pipe 22 therein, and the cover 62 is detachably attached to the upper portion of the branch pipe 22. Connecting rod 63 is provided to be connected, and is composed of a heterogeneous function performing body 60 having an opening and closing valve 64 for controlling the opening and closing of the outflow passage 61 on the side.

The conventional multifunctional water discharge valve configured as described above has various functions such as a fire hydrant function, a drain function, a pollution check function, a bypass function, an emergency water supply function, and the cost of installing a fire hydrant and a drain pipe separately. This reduces the installation space of the fire hydrant required in India is also not necessary and has the advantage of preventing the occurrence of the problem caused by the above-described fire hydrant.

However, the conventional multifunctional distillation valve has the following problems.

First, the branch pipe 22 does not communicate perpendicularly to the flow path 11, causing resistance to the flow of water, thereby generating a pressure loss of water discharged through the branch pipe.

Although the water discharged through the branch pipe must maintain sufficient pressure in order to perform the function of the hydrant or emergency water supply smoothly, the pressure loss occurs due to the structure of the branch pipe, thereby reducing the effect of the fire hydrant or emergency water supply. .

Second, since the branch pipe 22 does not communicate perpendicularly to the flow path 11, it is difficult to inject the internal market value into the valve casing 10 through the opening / closing valve 64, and thus the internal pipe inspection using the internal market value. This impossibility of efficient management of water and sewage equipment.

Of course, when using the internally deformable flexible deformation, the endoscope can be inserted into the valve casing through the branch pipe. However, in the flexible deformable internal end device, the pressure of the fluid in the pipe can be changed without being cut off. As a result of irregular vibrations, effective inspections are difficult.

On the other hand, in the prior art, the branching work without tapping the tap water at the time of branching of the water pipe, or the saddle fountain field is used for the internal inspection of the water pipe.

3 is a sectional view showing an example of a conventional saddle fountain.

The saddle fountain 70 consists of a saddle 71 and a band 72. At this time, the saddle 71 is disposed on the outer upper side of the conduit P, the band 72 is disposed on the outer lower side of the conduit P, and the saddle 71 and the band 72 are mutually bound by bolts 73. And is installed in the pipeline (P).

On the other hand, the saddle 71 is provided with a valve body 74 penetrated therein so as not to block the water in the pipe line (P), when the water is discharged to the outside in the state of drilling a hole with a perforator or inspect the inside Will be used.

Figure 4 shows an exemplary view showing another example of a conventional saddle fountain.

The saddle fountain 70 is welded to the saddle 71 on the outer upper side of the pipeline (P), by coupling the valve body 74 to the saddle 71 without blocking the water of the pipeline (P), It is used when draining water to outside or inspecting the inside with the punched hole.

As described above, since the proper structure for inspecting the inside of the pipeline is not provided in the distillation valve, the inspection of the pipeline is possible only after drilling the water pipe and installing the saddle fountain before, thus making the work very cumbersome and Damage caused by the spill occurs, and the cost is also increased.

The present invention has been made in consideration of the above problems, and an object of the present invention is to inspect the pipeline even without installing a separate saddle fountain for the inspection of the pipeline, and the outflow of fluid does not occur during the inspection of the pipeline. It is to provide a multi-functional distillation valve that is easy to check the pipeline.

Another object of the present invention is to provide a multi-functional distillation valve that is easy to check the pipe line to check the inside of the pipe stably using the internal market value regardless of the fluid pressure in the pipe.

The multi-function dilution valve easy to check the pipeline of the present invention to achieve the object as described above and to perform the problem for eliminating the conventional drawbacks includes a valve casing having a flow passage penetrating both left and right sides; An opening / closing valve unit installed in the valve casing to open and close the flow path by lifting and lowering the disk by a user's handle operation; A branch pipe formed in the valve casing to communicate in a vertical direction with a flow path at a position adjacent to the on / off valve unit; A ball valve unit installed at an upper end of the branch pipe and provided with a sphere having a through hole extending in a vertical direction continuously in the flow path of the branch pipe, wherein the ball valve unit opens and closes the flow path while the sphere is rotated by a lever; A camera unit inserted into the valve casing through the ball valve unit and the branch pipe to photograph an internal image of the valve casing; It is installed on the upper end of the ball valve unit to support the camera unit, the fixed housing screwed to the upper end of the ball valve unit, a rotating housing rotatably coupled to the upper portion of the fixed housing, and the upper end of the rotating housing An operation unit which is formed integrally and rotates together with a rotating housing, has a moving shaft for supporting the camera unit, and moves the moving shaft up and down through a combination of a rack gear provided on an outer surface of the moving shaft and a pinion gear rotating by a handle operation. It comprises a drive unit for vertically descending the camera unit through the through-hole continuously extending in the flow path of the branch pipe, the upper end of the drive unit is further provided with a cap for covering the moving shaft exposed to the upper, the cap The inside is characterized in that a guide for supporting the movement of the moving shaft is formed.

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According to the present invention having the characteristics as described above, it is possible to increase the convenience of the inspection work by enabling the inspection in the pipe without installing a separate equipment such as saddle fountain.

In addition, the outflow of the fluid does not occur even when the fluid is being transferred, and the inspection in the pipe can be stably performed regardless of the pressure of the flowing fluid.

1 is a perspective view of the multifunctional dilution valve,
2 is a cross-sectional view of the multifunctional dilution valve,
3 is a cross-sectional view showing an example of a conventional saddle fountain;
4 is an exemplary view showing still another example of a conventional saddle fountain;
5 is a cross-sectional view of a multifunctional dilution valve according to a preferred embodiment of the present invention;
6 is an exemplary view showing a structure of an operation unit according to the present invention;
7 is a cross-sectional view showing a state in which the ball valve unit is closed as a multifunctional dilution valve according to the present invention;
8 is a cross-sectional view showing a state in which the ball valve unit is opened as a multi-function dilution valve according to the present invention;
9 is a cross-sectional view showing a state in which the digestive tract is connected to use the multi-functional water valve of the present invention as a fire hydrant,
10 is a state diagram showing a state in which a plurality of multi-function dilution valve according to the present invention is installed on the pipeline.

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.

Figure 5 shows a cross-sectional view of the multi-functional water valve according to a preferred embodiment of the present invention.

Multi-functional water valve according to the present invention using the branch pipe 130 formed in the valve casing 110 can perform a variety of functions such as the hydrant valve, drain function, contamination check function, bypass function, emergency water supply function, etc. It is possible to check the inside of the pipe without the fluid outflow and regardless of the pressure of the fluid, the valve casing 110, the valve valve unit 120, the branch pipe 130 and the ball valve unit ( 140, a camera unit 150, and a drive unit 160.

The valve casing 110 has a flow path 111 penetrating both left and right sides thereof, and a pipe line communicates with both ends of the flow path 111 formed as described above.

The open / close valve unit 120 opens and closes the flow path 111 formed in the valve casing 110, and includes a disc 121 and a valve rod 122.

Meanwhile, the disc 121 is disposed inside the valve casing 110 to move up and down by the valve rod 122 to open or close the flow path 111.

The valve rod 122 is rotatably coupled to the valve casing 110, the lower end is screwed with the disk 121 to move the disk 121 up and down. That is, the valve rod 122 is rotatably installed in the valve casing 110, the upper end is installed to be exposed to the outside of the valve casing 110, the handle is not shown in the upper end of the exposed valve rod 122 When the user rotates the valve rod 122 using the handle, the disk 121 screwed to the valve rod 122 moves up and down to open and close the flow path 111.

The branch pipe 130 is integrally formed in the valve casing 110 to communicate in a vertical direction with the flow path 111 at a position adjacent to the open / close valve unit 120. When the branch pipe 130 is connected in the vertical direction with the flow path 111, when the distillation valve is used for fire hydrants or water feeders, it is possible to perform a more effective function by reducing the pressure loss of the fluid. There is an advantage to simplify the installation or operating structure of the device.

The ball valve unit 140 is installed on the upper end of the branch pipe 130 to open and close the flow path of the branch pipe 130 and provide a space for moving the camera unit 150 into the valve casing 110. It is.

The ball valve unit 140 is a valve housing 141 is installed in the upper end of the branch pipe 130, and installed in the valve housing 141 and extends in the vertical direction continuously in the flow path of the branch pipe 130 The spherical body 142 formed with the 1142 and the lever 143 connected to the spherical body 142 to rotate the spherical body 142 to open and close the flow path of the branch pipe 130 are formed.

Therefore, the user can easily open and close the flow path of the branch pipe 130 by rotating the sphere 142 using the lever 143.

On the other hand, the upper end of the valve housing 141 is formed with a screw portion 1411, it is configured to be installed such as a fire pipe, a water supply pipe and a check device, and the cover is normally coupled to maintain a closed structure.

The camera unit 150 is inserted into the valve casing 110 through the ball valve unit 140 and the branch pipe 130 to photograph the internal image of the valve casing 110. The camera unit 150 is composed of two lenses 152 arranged in the camera housing 151 having a watertight structure so as to capture an image in different directions.

The driving unit 160 is installed on the upper end of the ball valve unit 140 to support the camera unit 150, the camera unit 150 through the through-holes 1421 extending continuously in the flow path of the branch pipe (130) It moves in the vertical direction, it is composed of a fixed housing 161, a rotating housing 162, and the operation unit 163.

The fixed housing 161 is screwed to the upper end of the ball valve unit 140 is fixed.

The rotating housing 162 is installed on the upper end of the fixed housing 161, it has a structure rotatable by being coupled via the fixed housing 161 and the bearing (B). Of course, an O-ring or a mechanical seal may be further installed between the fixed housing 161 and the rotary housing 162 to prevent leakage of fluid.

The operation unit 163 is installed at the upper end of the ball valve unit 140 to support the camera unit 150, and by moving the camera unit 150 up and down, the ball valve valve to the camera unit 150 during inspection in the pipe It moves to the inside of the valve casing 110 through the unit 140 and the branch pipe 130, and on the contrary, when the inspection in the pipe is completed, the camera unit 150 is raised to return to the original position.

Figure 6 shows an exemplary view showing the structure of the operation unit according to the present invention.

The operation unit 163 includes a unit housing 1631, a moving shaft 1632, a rack gear 1633, a pinion gear 1634, and a handle 1635.

The unit housing 1631 is formed integrally with the upper end of the rotary housing 162 and is configured to rotate together with the rotary housing 162.

The moving shaft 1632 has a structure extending in the vertical direction, the camera unit 150 is installed at the lower end. In this case, a wire for supplying electricity or transmitting a signal for driving the camera unit 150 may be wired through the inside of the moving shaft 1632, and a rack extending along the longitudinal direction on the outer surface of the moving shaft 1632. Gear 1633 is formed. The moving shaft 1632 configured as described above is installed in a structure that penetrates the unit housing 1631, the fixed housing 161, and the rotating housing 162 in the vertical direction.

The pinion gear 1634 is installed in the unit housing 1631 to be engaged with the rack gear 1633 of the moving shaft 1632, and the handle 1635 is configured to allow the user to rotate the pinion gear 1634. It is connected to the 1634 and is installed to be exposed to the outside of the unit housing (1631).

According to this structure, the user moves the camera unit 150 to the inside of the valve casing 110 or located within the valve casing 110 by moving the moving shaft 1632 up and down through the rotation of the handle 1635. The camera unit 150 may be returned to its original position.

Meanwhile, the moving shaft 1632 has a structure extending in the vertical direction to secure a sufficient moving distance of the camera unit 150. The upper end of the moving shaft 1632 protrudes upward from the unit housing 1631. You have a structure. As such, a cap 164 surrounding the moving shaft 1632 is further provided at an upper end of the unit housing 1631 so as to cover the moving shaft 1632 protruding to the upper portion of the unit housing 1631. A guide 165 for supporting the movement of the moving shaft 1632 is further provided therein.

Figure 7 is a cross-sectional view showing a state in which the ball valve unit is closed as a multi-function dilution valve according to the present invention, Figure 8 is a cross-sectional view showing a state in which the ball valve unit is opened as a multi-function dilution valve according to the present invention.

In order to check the conduit using the multifunctional dilution valve of the present invention configured as described above, as shown in FIG. 7, the camera unit 150 is operated in a state in which the ball valve unit 140 is operated to block the flow path of the branch pipe 130. And the internal market value consisting of the driving unit 160 is installed in the ball valve unit 140. Installation of such an endoscope device is made by screwing the fixed housing 161 and the ball valve unit 140.

As such, when the installation of the endoscope device is completed, the user rotates the lever 143 of the ball valve unit 140 to rotate the sphere 142, wherein the through-hole 1421 formed in the sphere 142 is the branch pipe 130 A flow path extending in the vertical direction is formed in succession to the flow path of c).

Thereafter, the user rotates the pinion gear 1634 by rotating the handle 1635 exposed to the outside of the unit housing 1631. At this time, the rack gear 1633 coupled with the pinion gear 1634 is moved, so that the rack As the moving shaft 1632 having the gear 1633 is lowered through the through-hole 1421 and the branch pipe 130, the camera unit 150 installed at the lower end of the moving shaft 1632 is moved inside the valve casing 110. It can be moved to (see Fig. 5).

Meanwhile, in the case of the camera unit 150 moved into the valve casing 110, the camera unit 150 is firmly supported by the moving shaft 1632, so that the image inside the pipe is stably regardless of the pressure of the fluid flowing in the pipe. You can shoot the camera.

On the other hand, by rotating the rotating housing 162, the user can also take pictures of different angles.

On the other hand, when the inspection of the pipeline is completed, the camera unit 150 is restored to its original position by rotating the handle 1635 in the reverse direction, and the ball valve unit 140 is operated to block the flow path of the branch pipe 130.

Figure 9 shows a cross-sectional view showing a state in which the digestive tract is connected to use the multifunctional water valve of the present invention as a fire hydrant.

As shown in FIG. 9, when the fire pipe H1 is connected to the ball valve unit 140, a part of the water flowing in the flow path 111 of the valve casing 110 may be a branch pipe 130 and a ball valve unit. By discharging to the digestive tract (H1) through the 140 can perform a hydrant function.

On the other hand, in order to effectively use as a fire hydrant it is preferable to block the flow path 111 by lowering the disk 121 of the on-off valve unit 120.

Figure 10 shows a state diagram showing a state in which a plurality of multi-function water discharge valve according to the present invention is installed on the pipeline.

Meanwhile, FIG. 10 discloses a structure in which three pipelines P1, P2, and P3 are connected by two multifunctional dilution valves V1 and V2.

In the structure as shown in FIG. 10, when an abnormality occurs in the P2 pipe located in the center and maintenance work is required, first, the flow path is blocked using two multi-function dilution valves V1 and V2, and water on the P2 pipe is P2 is discharged to the outside through the hose (H2) installed in the multi-function distillation valve (V1) located in the pipeline, at this time can also check the pollution degree using the discharged water.

On the other hand, even when the flow path is blocked by using the two multi-function distillation valves (V1, V2) as described above, using the multi-function distillation valve (not shown) located in the P1 pipeline, the water on the P1 pipeline is located in the P3 pipeline. Bypassing to V2), water can be supplied continuously regardless of maintenance work.

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.

<Explanation of symbols for the main parts of the drawings>
110: valve casing 111: flow path
120: on-off valve unit 121: disk
(130): branch pipe 140: ball valve unit
(142): sphere (1421): through
(143): lever 150: camera unit
(160): drive unit (161): fixed housing
(162): rotary housing (163): operation unit
(1632): moving shaft (1633): rack gear
(1634): Pinion Gear (1635): Handle
164: Cap 165: Guide

Claims (3)

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  2. delete
  3. A valve casing 110 having a flow path 111 penetrating both left and right sides;
    An opening / closing valve unit (120) installed in the valve casing (110) to open and close the flow path (111) by moving the disk (121) up and down by a user's handle operation;
    Branch pipes (130) formed in the valve casing (110) to communicate in a vertical direction with the flow path (111) in the adjacent position of the on-off valve unit (120);
    Is provided on the upper end of the branch pipe 130, and provided with a sphere 142 having a through-hole 1421 extending in the vertical direction continuously in the flow path of the branch pipe 130, by the operation of the lever 143 Ball valve unit 140 for opening and closing the flow path while the sphere 142 rotates;
    A camera unit 150 inserted into the valve casing 110 through the ball valve unit 140 and the branch pipe 130 to capture an internal image of the valve casing 110;
    It is installed on the upper end of the ball valve unit 140 to support the camera unit 150, the fixed housing 161 is screwed to the upper end of the ball valve unit 140 and the upper part of the fixed housing 161 The rotatable housing 162 rotatably coupled to the upper end of the rotating housing 162 is integrally formed to rotate together with the rotating housing 162 and to move the moving shaft 1632 for supporting the camera unit 150. And an operation unit 163 for moving the moving shaft 1632 up and down through a combination of the rack gear 1633 provided on the outer surface of the moving shaft 1632 and the pinion gear 1634 rotated by the handle 1635. And a driving unit 160 configured to vertically lower the camera unit 150 through a through-hole 1421 extending continuously in the flow path of the branch pipe 130.
    A cap 164 is further provided at an upper end of the driving unit 160 to cover the moving shaft 1632 exposed upward, and a guide supporting the movement of the moving shaft 1632 in the cap 164. The multi-function distillation valve easy to check the pipeline, characterized in that formed (165).
KR1020100077629A 2010-08-12 2010-08-12 Water control valve for multi-use KR100999418B1 (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012171091A1 (en) 2011-06-16 2012-12-20 Ssv Inspections Inc. Method and system for iν-situ visual inspection of a valve
KR101294755B1 (en) 2012-11-09 2013-08-16 (주)수맥이엔씨 Wireless means mounted shooting fluid shutoff device
KR20160072595A (en) * 2014-12-15 2016-06-23 김동구 Trenchless type unceasingly measuring device using the sluice valve
KR101977323B1 (en) 2019-01-04 2019-09-10 (주)그린텍 Apparatus for monitoring valve

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200323611Y1 (en) * 2003-05-30 2003-08-19 전병국 water supply pipe boring machine
US20060027266A1 (en) * 2004-08-03 2006-02-09 Kim Young S Pipe tapping apparatus

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200323611Y1 (en) * 2003-05-30 2003-08-19 전병국 water supply pipe boring machine
US20060027266A1 (en) * 2004-08-03 2006-02-09 Kim Young S Pipe tapping apparatus

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012171091A1 (en) 2011-06-16 2012-12-20 Ssv Inspections Inc. Method and system for iν-situ visual inspection of a valve
EP2721386A1 (en) * 2011-06-16 2014-04-23 SSV Inspections Inc. Method and system for i -situ visual inspection of a valve
EP2721386A4 (en) * 2011-06-16 2015-01-07 Ssv Inspections Inc Method and system for i -situ visual inspection of a valve
KR101294755B1 (en) 2012-11-09 2013-08-16 (주)수맥이엔씨 Wireless means mounted shooting fluid shutoff device
KR20160072595A (en) * 2014-12-15 2016-06-23 김동구 Trenchless type unceasingly measuring device using the sluice valve
KR101707282B1 (en) * 2014-12-15 2017-02-16 김동구 Trenchless type unceasingly measuring device using the sluice valve
KR101977323B1 (en) 2019-01-04 2019-09-10 (주)그린텍 Apparatus for monitoring valve

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