WO2006073143A1 - Dispositif de reglage de pression de fluide et appareil l'utilisant - Google Patents

Dispositif de reglage de pression de fluide et appareil l'utilisant Download PDF

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Publication number
WO2006073143A1
WO2006073143A1 PCT/JP2006/300001 JP2006300001W WO2006073143A1 WO 2006073143 A1 WO2006073143 A1 WO 2006073143A1 JP 2006300001 W JP2006300001 W JP 2006300001W WO 2006073143 A1 WO2006073143 A1 WO 2006073143A1
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WO
WIPO (PCT)
Prior art keywords
fluid
pressure
pressure regulator
relay path
air
Prior art date
Application number
PCT/JP2006/300001
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English (en)
Japanese (ja)
Inventor
Gunji Norinobu
Original Assignee
Gunji Norinobu
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Gunji Norinobu filed Critical Gunji Norinobu
Publication of WO2006073143A1 publication Critical patent/WO2006073143A1/fr

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
    • G01M3/28—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds
    • G01M3/2876—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for valves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
    • G01M3/28—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds
    • G01M3/2853—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for pipe joints or seals
    • G01M3/2869—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for pipe joints or seals for seals not incorporated in a pipe joint

Definitions

  • the present invention is provided in a middle portion of a fluid flow path, and uses a fluid pressure regulator for adjusting the downstream pressure to decrease relative to the upstream side in the middle portion and the same It relates to the device.
  • a pressure inspection facility as a leak down tester for performing a water leak inspection of a radiator, and a pressure regulator provided therein are exemplified.
  • this type of equipment includes a compressor 1 as an air supply source, a pressure regulator 2 that regulates the pressure of air as a fluid delivered from the compressor 1, and a pressure regulator 2 A valve 3 that opens and closes the passage of the air to be sent out, and a pressure gauge 4 that measures the pressure of the air sent through the valve 3, and the air sent through the pressure gauge 4 is a hose It is configured to be connected to the overflow pipe 6 of the radiator 5 via
  • the pressure regulator 2 automatically executes a series of inspection operations such as supply pressure, pressure measurement, and determination of non-defective product by sequence control as in the control panel described in Patent Document 1, for example. There is something that is configured to display the results. Widely used in automobile repair shops, the pressure of air sent from the compressor 1 is about IMPa, while the pressure resistance of the radiator 5 is about 0.2 MPa at most, so the air sent from the compressor 1 is sent to the radiator 5 Direct injection may damage the radiator 5 and a pressure regulator 2 is provided to reduce the pressure of the air.
  • Patent Document 1 Japanese Patent Laid-Open No. 10-38745
  • the conventional pressure regulator 2 and the pressurization inspection equipment using the pressure regulator 2 are configured to automatically perform pressure adjustment in a series of inspection operations, and thus have the following problems.
  • the fluid pressure regulator of the present invention is interposed in the middle part of the fluid flow path so that the pressure on the downstream side is reduced relative to the upstream side in the middle part.
  • Flow rate reducing means for reducing the flow rate of the fluid in the relay path
  • the fluid can be suppressed or stopped by manually pressing the fluid against the pressure of the fluid, and the fluid can be discharged from the punched hole by releasing the hand.
  • the flow is configured to be controllable.
  • the relay path is not particularly limited, but the following mode is exemplified.
  • a mode in which a flow path for relaying the fluid is provided inside the cylinder.
  • all or a part of the relay path may be configured as a fixed type that is fixed to a building, furniture, airframe, or the like, configured as a detachable type that can be attached to and detached from the building, etc.
  • it can be configured as a hand-held rod type, gun type, or the like.
  • the relay path may be provided with a valve upstream of the punched hole.
  • the fluid is not particularly limited as long as it freely deforms or flows with respect to an external force.
  • Examples of the fluid include air, a gas such as gas, and a liquid such as fresh water and seawater.
  • the flow rate reducing means is not particularly limited as long as it reduces the flow rate, but an example of reducing the flow rate by restricting the flow of fluid is illustrated.
  • controllable configuration of the fluid flow in the punch hole is particularly limited. Although not specified, the following embodiment is illustrated.
  • the punched hole has an opening that can be opened and closed indirectly by hand.
  • the manual opening / closing means configured to suppress or stop the outflow of the fluid by holding it against the pressure of the fluid and to release the fluid by releasing the hand powerfully is described above.
  • the aspect provided in the opening of the punched hole is mentioned.
  • the manual opening / closing means include a lid provided at the opening of the punched hole outside the relay path so as to be openable.
  • the hand is not particularly limited, and examples thereof include a finger, a palm, and a back.
  • the structure Since the structure is simple and can be configured with a small number of parts, it can be configured to be lightweight and can be portable, improving mobility, improving reliability, and providing at low cost.
  • a leak-down tester It is interposed in the middle of the fluid flow path between the high-pressure fluid supply means for supplying the pressurized fluid and the test object into which the fluid is injected, and detects the leakage of the fluid due to the test object force.
  • the fluid pressure regulator wherein the relay path is interposed in the middle portion, and the upstream side of the relay path is connected to the high-pressure fluid supply means;
  • a check valve provided on the downstream side of the fluid pressure regulator in the relay passage to prevent backflow of the fluid
  • a pressure measuring means provided on a downstream side of the check valve in the relay path, and measuring a pressure of the fluid injected into the object to be inspected;
  • the high-pressure fluid supply means includes an air conditioner that supplies high-pressure air as a high-pressure fluid. Examples include a lesser and a pump for supplying a high-pressure liquid as a high-pressure fluid.
  • the check valve is not particularly limited as long as it allows fluid flow from the upstream side to the downstream side and prevents the reverse flow, but it is not limited to a bicycle tire tube valve (tire). It is attached to the air inlet of the tube and allows compressed air to flow into the tire tube and prevents its backflow).
  • a valve having an insect rubber as a valve is exemplified.
  • the pressure measuring means is not particularly limited, but in addition to a pressure gauge, deformation (for example, expansion, bending, expansion and contraction), change, movement, power generation, reaction, etc. according to the pressure of the fluid. Examples of members or substances to be performed are illustrated.
  • the structure Since the structure is simple and can be configured with a small number of parts, it can be configured to be lightweight and can be portable, improving mobility, improving reliability, and providing at low cost.
  • the pressure measuring means and the check valve are integrally configured to be detachable from the main body of the relay path, and a low-pressure fluid is introduced into the upstream side opening of the check valve exposed by removing the main body force of the relay path.
  • the aspect comprised so that a supply means was connectable is illustrated.
  • the fluid pressure regulator is configured to be detachable from the high-pressure fluid supply means, and the fluid pressure regulator is configured to connect a low-pressure fluid supply means for supplying a low-pressure fluid to the hole. Is illustrated.
  • a valve is provided on the upstream side of the hole in the relay path, and the relay path And at least the upstream side of the valve is configured to be detachable from the high-pressure fluid supply means force,
  • the said fluid pressure regulator illustrates the aspect comprised so that the low pressure fluid supply means which supplies a low pressure fluid was connectable to the said punch hole.
  • a second check valve that allows the flow of fluid from the outside to the inside of the relay path and prevents the reverse flow, and the second check valve
  • the low-pressure fluid supply means is connectable to the outer opening of FIG.
  • the low-pressure fluid supply means is not particularly limited, but is a fluid supply means configured to be driven by human power or low power (for example, air in a hollow body such as a bicycle tire, a ball, and a floating ring).
  • human power or low power for example, air in a hollow body such as a bicycle tire, a ball, and a floating ring.
  • a pump for putting for example, a pump for putting
  • the fluid can be injected into the object to be inspected using the low pressure fluid supply means even in a place where the high pressure fluid supply means is not available. it can.
  • the jack of the present invention is
  • the fluid pressure regulator is provided in the middle of the fluid flow path between the high pressure fluid supply means for supplying the pressurized fluid and the expansion / contraction body that expands when the fluid is injected and contracts when the fluid is discharged.
  • the object is lifted by the stretchable body that is interposed and extended.
  • the fluid ejection device of the present invention comprises:
  • the fluid pressure regulator is interposed in the middle of the fluid flow path between the high-pressure fluid supply means for supplying the pressurized fluid and the nozzle for ejecting the fluid.
  • the spraying device (or coating device) of the present invention comprises:
  • the fluid pressure regulator is interposed in the middle of the path.
  • FIG. 1 is a perspective view showing a conventional technique.
  • FIG. 2 is a perspective view showing a fluid pressure regulator and a leak down tester using the fluid pressure regulator according to the first embodiment embodying the present invention.
  • FIG. 3 is a sectional view of the same embodiment.
  • FIG. 4 is a perspective view in which the main body and the distal end portion of the embodiment are separated.
  • FIG. 5 is a perspective view showing the assembly method of the same embodiment.
  • FIG. 6 is a perspective view of a structure in which a flow rate adjusting screw is attached to the plug of the embodiment.
  • FIG. 7 is a cross-sectional view showing another method of using the fluid pressure regulator and the leak down tester using the fluid pressure regulator according to the embodiment.
  • FIG. 8 is a perspective view showing a fluid pressure regulator and a leak down tester using the fluid pressure regulator according to a second embodiment embodying the present invention.
  • FIG. 9 is a perspective view showing a fluid pressure regulator and a leak down tester using the fluid pressure regulator according to a third embodiment of the present invention.
  • FIG. 10 is a perspective view showing a fluid pressure regulator and a leak down tester using the fluid pressure regulator according to a fourth embodiment embodying the present invention.
  • FIG. 11 is a perspective view showing a fluid pressure regulator and a jack using the fluid pressure regulator according to a fifth embodiment embodying the present invention.
  • FIG. 12 is a perspective view showing a fluid pressure regulator and a fluid ejection device using the fluid pressure regulator according to a sixth embodiment embodying the present invention.
  • FIG. 13 is a perspective view showing a fluid pressure regulator and a spraying device (or coating device) using the fluid pressure regulator according to a seventh embodiment embodying the present invention. Explanation of symbols
  • the leak down tester 20 is interposed in the middle of a flow path of air as a fluid, and has an air gun having a relay path 21 that relays the air from the upstream side to the downstream side.
  • the check valve 13 at the inlet side of the pressure gauge 4, and the radiator 5 as an object to be inspected at the outlet side A pair with a rubber tube 15 attached is incorporated. This incorporation is performed by screwing so that the check valve 13 enters the inside of the tip of the air gun.
  • a vent hole 14 is provided between the air gun open / close valve 12 and the check valve 13 of the pressure gauge 4.
  • the relative positions of the lever of the open / close valve 12 and the punch hole 14 are set so that they are difficult to operate with only one hand. This allows the user to operate the leak-down tester 20 with both hands, and prevents the user from approaching the empty hand, face, or other body to the radiator as the object to be inspected.
  • a female screw as a flow rate adjusting screw receiver 16 is screwed into the downstream side opening of the air flow path in the plug 10, and the flow rate adjusting screw 11 is screwed into the flow rate adjusting screw receiver 16. The flow adjustment screw 11 Therefore, the deeper it is screwed into the flow rate adjusting screw receiver 16, the more the air flow is restricted.
  • FIG. 10 A perspective view of the plug 10 and the flow rate adjusting screw 11 is shown in FIG.
  • the flow rate of the air flowing in from the compressor 1 can be adjusted by adjusting the screwing amount of the flow rate adjusting screw 11 with respect to the flow rate adjusting screw receiver 16, and the compressor 1 as a high pressure fluid supply means can be adjusted.
  • the inflowing air can be throttled to a very weak level with the flow adjustment screw 11 of the plug 10.
  • the flow rate adjusting screw receiver 16 and the flow rate adjusting screw 11 are an inflow adjusting valve as a flow rate reducing means for restricting the air flow.
  • the relay path 21, the inflow regulating valve as the flow rate adjusting means, and the vent hole 14 are interposed in the middle of the flow path of the air as the fluid, and upstream of the middle section.
  • This fluid pressure regulator 19 can suppress or stop the outflow of air from the hole 14 by holding it against the air pressure by hand, and can release the air from the hole 14 by releasing the hand.
  • the air flow is configured to be controllable.
  • the pressure gauge 4, the check valve 13, and the rubber tube 15 are paired so that the force at the tip of the air gun can be removed. You can also.
  • the bicycle valve for example, a valve having rubber rubber
  • the bicycle pump 22 pump that puts air into the tire tube
  • the nozzle 23 can be connected.
  • test container capable of injecting air only into the connection port force is used.
  • the rubber tube 15 of the leak down tester 20 is connected to the connection port of this test container, and the leak down tester 20 is operated in the same manner as the pressure test of the radiator 5. Since the test container force does not leak air, when the pressure gauge 4 can confirm that the pressure of the air sent to the test container is not maintained when the lever of the open / close valve 12 and the release hole 14 are released, It can be seen that the leak down tester 20 has failed.
  • the test container may be provided with a second connection port that is sealed or covered. When this seal or lid is opened, the second connection port and the overflow pipe 6 of the radiator 5 are connected by a hose such as a rubber tube, and the rubber tube 15 is connected to the connection port.
  • the container can also be used as an air relaxation container.
  • FIG. 7 shows a method of using the leak down tester 20 of the present invention for leak inspection in the cylinder 25 of the engine as an object to be inspected.
  • Leakage in the cylinder 25 of the engine of this example occurs between the cylinder 25 and the piston 26, between the cylinder 25, the gasket 27, and the cylinder head 28, and the clearance force generated in the intake valve 29, the exhaust valve 30, etc. .
  • the default value of the compression pressure in the cylinder 25 of the engine is about IMPa, and the pressure of the air injected into the cylinder 25 to know the leakage in the cylinder 25 is about 0.1 to 0.14 MPa. It is sufficiently obtained by the leak-down tester 20 of the invention. In this case, the leak-down tester 20 has a spark plug screw hole at the tip of its rubber tube 15.
  • the air insertion bracket 32 that can be screwed onto 31. Then, insert the air insertion bracket 32 into the screw hole 31 of the spark plug communicating with the cylinder 25, and inject air into the cylinder 25 while checking with the pressure gauge 4 so that the inside of the cylinder 25 becomes a predetermined pressure. . Then, after a predetermined time has passed with the leak down tester 20 attached, the pressure drop in the cylinder 25 is measured by the pressure gauge 4 to measure the leak condition in the cylinder 25. The degree of fatigue can be judged. Generally, in order to know the degree of engine fatigue, a compression gauge is attached and the compression pressure of the engine is measured and compared with the default value to determine the degree of leakage in the cylinder 25. This work is done while turning the cell. The compression gauge needs to be at the maximum pressure, and there are two workers who turn the cell and two workers who look at the compression gauge. According to the present invention, one worker can handle it.
  • the structure Since the structure is simple and can be configured with a small number of parts, it can be configured to be lightweight and can be portable, improving mobility, improving reliability, and providing at low cost.
  • the leak down tester 20 of the present embodiment simply inserting the rubber tube 15 of the air gun of the present invention into the radiator 5, connecting a compressor hose to the plug 10, and grasping the lever of the opening / closing valve 12 only causes the radiator. No pressure is applied to 5 and the air that weakly pierces through the air is blocked with fingers 9, so that an arbitrary inspection pressure can be obtained at radiator 5 while confirming a moderately strong pressure rise with pressure gauge 4.
  • the present invention is not only for checking the pressure of the radiator 5 but also for feeding the pressure into the radiator 5 by the rubber pipe 15 at the outlet of the present invention by the overflow pipe 6 next to the radiator 5 water inlet. Remove the radiator 5 and measure the change in internal pressure. By checking the sound of the internal pressure that is blown when the top 7 is opened and the swelling of the radiator hose, it is possible to judge whether the holding power of the water inlet and the cap 7 attached thereto is good or bad.
  • the leak down tester 20 embodying the present invention it becomes possible to perform a water leak inspection of the radiator 5 in the same manner as an air tool at an automobile maintenance shop. Even when there is no pressure, a low-pressure bicycle pump 22 that is widely used can be used for pressure testing.
  • the structure Since the structure is simple and can be configured with a small number of parts, it can be configured to be lightweight and can be portable, improving mobility, improving reliability, and providing at low cost.
  • FIG. 8 shows a second embodiment that embodies the present invention.
  • the fluid pressure regulator 19 and the leak-down tester 20 using the fluid pressure regulator 19 are mainly different from the first embodiment in the following points. Accordingly, parts that are the same as in the embodiment are given the same reference numerals, and redundant description is omitted (hereinafter the same applies to other embodiments). O
  • an air gun opening / closing valve 12 is provided on the upstream side of the hole 14 in the relay path 21, and the plug 10 on the upstream side of the opening / closing valve 12 in the relay path 21 is connected to the compressor.
  • the fluid pressure regulator 19 is similar to the first embodiment in that it is configured to be detachable from the compressor hose 1, but the fluid pressure regulator 19 has a hole in the bicycle pump 22 as a low-pressure fluid supply means for supplying low-pressure air. 14 is configured to be connectable. Even with this configuration, the compressor 1 as a high-pressure fluid supply means is not provided, and the fluid can be injected into the object to be inspected by using the bicycle pump 22 even in a place.
  • the leak down tester 20 has a valve on the upstream side of the through hole 14 in the relay path 21. Even if the fluid pressure regulator 19 is not provided, the fluid pressure regulator 19 is configured to connect the bicycle pump 22 as a low-pressure fluid supply means for supplying low-pressure air to the bore hole 14 and to adjust the inflow as a flow rate adjustment means. By closing the valve, the bicycle pump 22 can be used to pour fluid into the object to be inspected even in places where the compressor 1 is not used as a high-pressure fluid supply means.
  • FIG. 9 shows a third embodiment that embodies the present invention.
  • the fluid pressure regulator 19 and the leak down tester 20 using the fluid pressure regulator 19 are mainly different from the first embodiment in the following points.
  • the second check that allows the flow of fluid from the outside to the inside of the relay path 21 on the downstream side of the check valve 13 in the relay path 21 and prevents the backflow.
  • a second bicycle nore is provided as the valve 13, and a bicycle pump 22 as a low pressure fluid supply means is connectable to an outer opening of the second check valve 13. Also with this configuration, fluid can be injected into the object to be inspected using the bicycle pump 22 even in a place where the compressor 1 as high-pressure fluid supply means is not provided.
  • FIG. 10 shows a fourth embodiment that embodies the present invention.
  • the fluid pressure regulator 19 and the leak down tester 20 using the fluid pressure regulator 19 are mainly different from the first embodiment in the following points.
  • the relay path 21 is provided with a flow path for relaying fluid inside the cylinder. Further, in this example, the relay path 21 can be configured as a detachable type that can be attached to and detached from a building or furniture that is fixed to a building, furniture, airframe, or the like, or a handheld type.
  • a valve 41 configured to be capable of adjusting the flow rate with a lever is provided instead of the inflow regulating valve in the first embodiment. Unlike the first embodiment, the on-off valve 12 is not provided.
  • FIG. 11 shows a fifth embodiment that embodies the present invention.
  • the fluid pressure regulator 19 and the jack 50 using the fluid pressure regulator 19 are mainly different from the fourth embodiment in the following points.
  • the jack 50 of the present invention includes a compressor 1 as a high-pressure fluid supply means for supplying a pressurized fluid, and a stretchable body 51 that expands when the fluid is injected and contracts when the fluid is discharged.
  • a fluid pressure regulator 19 is interposed in the middle of the fluid flow path between the two, and is configured to lift the object by the extending and contracting body 51.
  • the pressure gauge 4 is not provided.
  • the stretchable body 51 is formed of a hollow body having a stretchable bellows.
  • FIG. 12 shows a sixth embodiment that embodies the present invention.
  • the fluid pressure regulator 19 and the fluid ejection device 60 using the fluid pressure regulator 19 are mainly different from the first embodiment in the following points.
  • the fluid ejection device 60 of the present invention has a fluid pressure in the middle of the fluid flow path between the compressor 1 as a high pressure fluid supply means for supplying pressurized fluid and the nozzle 61 for ejecting the fluid.
  • the adjuster 19 is installed. Unlike the first embodiment, the check valve 13 and the pressure gauge 4 are provided.
  • FIG. 13 shows a seventh embodiment that embodies the present invention.
  • the fluid pressure regulator 19 and the spray device 70 (or coating device) using the fluid pressure regulator 19 are mainly different from the first embodiment in the following points.
  • the spraying device 70 (or coating device) of the present invention uses the compressor 1 as high-pressure gas supply means for supplying pressurized gas, the liquid supply means 71 for supplying liquid, and the pressure of the gas. And a nozzle 72 for spraying the liquid together with the gas, and a fluid pressure regulator 19 is interposed in the middle of the flow path of the pressurized gas.
  • the liquid supply means 71 has a container 73 provided in front of the nozzle opening of the nozzle 72, and is configured such that the liquid placed in the container 73 is sucked out together with the gas by the bench lily effect. It is. Unlike the first embodiment, the check valve 13 and the pressure gauge 4 are not provided.
  • the position of the hole 14 is not limited as long as it is between the check valve 13 and the open / close valve 12.
  • the hole 14 should have an opening that can be opened and closed indirectly by hand.
  • a lid as a manual opening / closing means configured to suppress or stop the outflow of the fluid by holding it against the pressure of the fluid and to release the fluid by releasing the hand is removed.
  • An embodiment provided in the opening of the hole 14 is exemplified.

Abstract

L'invention concerne un dispositif de réglage de pression de fluide empêchant l'établissement d'une pression excessive en aval. Le dispositif de réglage de pression de fluide (19) est installé au niveau d'une partie intermédiaire d'un passage d'écoulement d'air en vue de régler la pression en aval de la partie intermédiaire et de la rendre inférieure à celle en amont. Le dispositif de réglage de pression de fluide est doté d'un passage de relais (21) installé au niveau de la partie intermédiaire pourrelayer de l'air d'amont en aval ; un moyen réducteur de débit (11) servant à réduire le débit de l'air dans le passage de relais ; et un trou d'évacuation d'air (14) formé en aval du moyen réducteur de débit (11) dans le passage de relais (21) pour mettre en communication l'intérieur et l'extérieur du passage de relais (21). L'écoulement d'air peut être régulé en couvrant d'un doigt (9) le trou d'évacuation d'air pour empêcher l'air de s'échapper parletrou (14), et en retirant le doigt (9) du trou d'évacuation d'air (14) pour laisser l'air s'échapper du trou.
PCT/JP2006/300001 2005-01-05 2006-01-03 Dispositif de reglage de pression de fluide et appareil l'utilisant WO2006073143A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2005036728A JP2008076050A (ja) 2005-01-05 2005-01-05 圧力調整器不要のラジエーター水漏れ検査用加圧エアーガン
JP2005-036728 2005-01-05

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011048793A1 (fr) * 2009-10-20 2011-04-28 株式会社エー・アンド・デイ Testeur d'étanchéité utilisant la pression
JP2016075551A (ja) * 2014-10-06 2016-05-12 セイコーエプソン株式会社 リーク検出装置及びリーク検出方法
CN110044540A (zh) * 2019-05-31 2019-07-23 中国空气动力研究与发展中心高速空气动力研究所 一种风洞测压试验中模型表面测压孔的加压器及其应用

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JPS61168328A (ja) * 1985-01-21 1986-07-30 オリンパス光学工業株式会社 内視鏡装置
JPS6459027A (en) * 1987-08-31 1989-03-06 Nippon Automation Kk Leak inspection device
JPH05301083A (ja) * 1992-02-28 1993-11-16 Matsushita Electric Works Ltd エアー洗浄装置
JPH09253542A (ja) * 1996-03-19 1997-09-30 Sanyo Electric Co Ltd 噴霧装置
JP3057667U (ja) * 1998-09-11 1999-06-02 美津子 河上 受尿具
JP2000247587A (ja) * 1999-02-26 2000-09-12 Molten Corp エアジャッキ装置

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Publication number Priority date Publication date Assignee Title
JPS61168328A (ja) * 1985-01-21 1986-07-30 オリンパス光学工業株式会社 内視鏡装置
JPS6459027A (en) * 1987-08-31 1989-03-06 Nippon Automation Kk Leak inspection device
JPH05301083A (ja) * 1992-02-28 1993-11-16 Matsushita Electric Works Ltd エアー洗浄装置
JPH09253542A (ja) * 1996-03-19 1997-09-30 Sanyo Electric Co Ltd 噴霧装置
JP3057667U (ja) * 1998-09-11 1999-06-02 美津子 河上 受尿具
JP2000247587A (ja) * 1999-02-26 2000-09-12 Molten Corp エアジャッキ装置

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011048793A1 (fr) * 2009-10-20 2011-04-28 株式会社エー・アンド・デイ Testeur d'étanchéité utilisant la pression
US9097607B2 (en) 2009-10-20 2015-08-04 A&D Company Limited Leakage tester for pipettes utilizing pressure
JP2016075551A (ja) * 2014-10-06 2016-05-12 セイコーエプソン株式会社 リーク検出装置及びリーク検出方法
CN110044540A (zh) * 2019-05-31 2019-07-23 中国空气动力研究与发展中心高速空气动力研究所 一种风洞测压试验中模型表面测压孔的加压器及其应用

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