[go: up one dir, main page]

WO2016034744A1 - Régulateur de fluide équilibré - Google Patents

Régulateur de fluide équilibré Download PDF

Info

Publication number
WO2016034744A1
WO2016034744A1 PCT/EP2015/070402 EP2015070402W WO2016034744A1 WO 2016034744 A1 WO2016034744 A1 WO 2016034744A1 EP 2015070402 W EP2015070402 W EP 2015070402W WO 2016034744 A1 WO2016034744 A1 WO 2016034744A1
Authority
WO
WIPO (PCT)
Prior art keywords
lever
balance
fluid pressure
pressure cavity
hole
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/EP2015/070402
Other languages
English (en)
Inventor
Guangbin Cao
Yehong PENG
Xinnong XU
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Luxembourg Patent Co SA
Original Assignee
Luxembourg Patent Co SA
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 Luxembourg Patent Co SA filed Critical Luxembourg Patent Co SA
Publication of WO2016034744A1 publication Critical patent/WO2016034744A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D16/00—Control of fluid pressure
    • G05D16/04—Control of fluid pressure without auxiliary power
    • G05D16/06—Control of fluid pressure without auxiliary power the sensing element being a flexible membrane, yielding to pressure, e.g. diaphragm, bellows, capsule
    • G05D16/063—Control of fluid pressure without auxiliary power the sensing element being a flexible membrane, yielding to pressure, e.g. diaphragm, bellows, capsule the sensing element being a membrane
    • G05D16/0675—Control of fluid pressure without auxiliary power the sensing element being a flexible membrane, yielding to pressure, e.g. diaphragm, bellows, capsule the sensing element being a membrane the membrane acting on the obturator through a lever
    • G05D16/0683—Control of fluid pressure without auxiliary power the sensing element being a flexible membrane, yielding to pressure, e.g. diaphragm, bellows, capsule the sensing element being a membrane the membrane acting on the obturator through a lever using a spring-loaded membrane

Definitions

  • the present invention generally relates to a fluid regulator, particularly to a fluid regulator with a balance level.
  • the current LPG (liquefied petroleum gas) regulator includes the following characteristics: when the outlet flow of the regulator is small, the outlet pressure and the closing pressure are very low; when the outlet flow of the regulator increases, the outlet pressure and the closing pressure of the regulator also rise. However, it is required in the current market that the outlet pressure and the closing pressure be still very low with the outlet flow increased. That is, a regulator with low pressure and large flow is in need in the market. So far, how to achieve a large and steady outlet flow of the regulator under low outlet pressure is still a problem.
  • the present invention provides a fluid regulator comprising a valve body and a pressure-regulating device.
  • the valve body has an inlet fluid pressure cavity, an outlet fluid pressure cavity, and a throttling orifice in fluid communication with the inlet fluid pressure cavity and the outlet fluid pressure cavity.
  • the pressure-regulating device comprises a lever, a sealing device connected with a first end of the lever and used to operatively seal the throttling orifice, and a diaphragm assembly connected with a second end of the lever.
  • the lever is rotatably held within the outlet fluid pressure cavity through a lever fixing device.
  • the lever is rotatable around the lever fixing device so that the throttling orifice is opened or closed.
  • the fluid regulator further comprises a balance device.
  • the balance device comprises: a balance hole provided on a partition between the inlet fluid pressure cavity and the outlet fluid pressure cavity, wherein the balance hole is positioned at one side of the lever fixing device and the throttling orifice is positioned at the other side of the lever fixing device; and a balance member, wherein the balance member and the balance hole are provided at a same side of the lever fixing device, and the balance member is configured so that a fluid from the inlet fluid pressure cavity will exert a force on the second end of the lever via the balance hole and the balance member.
  • the balance device further comprises a sealing member.
  • the balance member is slidably installed in the balance hole. One end of the balance member extends into the inlet fluid pressure cavity, and the other end of the balance member will exert a force on the second end of the lever due to the fluid pressure in the inlet fluid pressure cavity acting on the balance member.
  • the sealing member is used to seal the gap between the balance hole and the balance member, thereby preventing a fluid in the inlet fluid pressure cavity from entering the outlet fluid pressure cavity via the balance hole.
  • the balance member is a guiding rod.
  • One end of the guiding rod extends into the inlet fluid pressure cavity, and the other end of the guiding rod is connected with the lever.
  • the sealing device is a sealing gasket.
  • the first end of the lever is provided with a groove used to accommodate the sealing gasket.
  • the sealing member is a sealing ring.
  • the partition is further provided with an annular projection projecting toward the inlet fluid pressure cavity and surrounding the balance hole.
  • the sealing gasket and the sealing ring are positioned in the groove and the annular projection, respectively.
  • a washer is further provided above the sealing member. The washer is provided with a hole for the passage of the balance member. The washer is used to press the sealing ring.
  • the diaphragm assembly comprises a diaphragm axle, a diaphragm, a diaphragm disc and a pressure-regulating spring.
  • the diaphragm axle is connected with the second end of the lever.
  • the diaphragm is located at a position where the valve body is connected with the valve cap having a breathing hole.
  • the diaphragm disc is provided at a position where the diaphragm is connected with the diaphragm axle.
  • the diaphragm, the diaphragm disc and the diaphragm axle are pressed against and fixedly connected to each other.
  • the pressure-regulating spring is provided between the diaphragm disc and the valve cap.
  • the portions where the balance member and the balance hole contact with each other are coated with lubricating grease, and the balance member is made of wear-resistant materials.
  • the balance member is located between the diaphragm axle and the lever fixing device.
  • a connecting hole for the balance member is provided on the lever, and one end of the balance member is able to slide freely in the connecting hole.
  • the balance member is a guiding rod, wherein one end of the guiding rod extends into the inlet fluid pressure cavity, and the other end of the guiding rod is provided with a boss contacting with the second end of the lever, thereby the guiding rod is able to exert a force on the lever.
  • the balance member is a corrugated tube.
  • a first end of the corrugated tube is fixed on the partition and is in fluid communication with the balance hole, and a second end of the corrugated tube is closed.
  • the fluid in the inlet fluid pressure cavity may enter into the corrugated tube through the balance hole so that the corrugated tube deforms, thereby exerting a force on the second end of the lever.
  • the second end of the corrugated tube is connected with the second end of the lever.
  • a fluid regulator comprising a valve cap having a breathing hole, a valve body, an outlet connector, a pressure-regulating device, a connection device and a switch device.
  • the valve body has an inlet fluid pressure cavity, an outlet fluid pressure cavity, and a throttling orifice in fluid communication with the inlet fluid pressure cavity and the outlet fluid pressure cavity.
  • the pressure-regulating device comprises a lever, a sealing device connected with a first end of the lever and used to operatively seal the throttling orifice, and a diaphragm assembly connected with a second end of the lever.
  • the lever is rotatably held within the outlet fluid pressure cavity through a lever fixing device, and the lever is rotatable around the lever fixing device so that the throttling orifice is opened or closed.
  • the fluid regulator further comprises a balance device.
  • the balance device comprises: a balance hole provided on a partition between the inlet fluid pressure cavity and the outlet fluid pressure cavity, wherein the balance hole is positioned at one side of the lever fixing device and the throttling orifice is positioned at the other side of the lever fixing device; a balance member positioned between the diaphragm assembly and the lever fixing device and slidably installed in the balance hole, wherein one end of the balance member extends into the inlet fluid pressure cavity, and the other end of the balance member will exert a force on the second end of the lever due to the fluid pressure in the inlet fluid pressure cavity acting on the balance member; and a sealing member used to seal the gap between the balance hole and the balance member, thereby preventing a fluid in the inlet fluid pressure cavity from entering the outlet fluid pressure
  • the fluid regulator includes a balance device. Therefore, the fluid regulator can achieve a low outlet pressure and a steady outlet flow under large outlet flow.
  • Figure 1 is a structurally sectional view of a fluid regulator according to a first embodiment of the present invention
  • Figure 2 is a top view of the fluid regulator according to the first embodiment of the present invention.
  • Figure 3 is a structurally sectional view of the fluid regulator according to a second embodiment of the present invention.
  • Figures 1 and 2 illustrate a LPG regulator according to a preferred embodiment of the present invention, wherein Figure 1 is a structurally schematic view of the regulator, and Figure 2 is a top view of the regulator.
  • the LPG regulator comprises a valve cap 1 with a breathing hole, a valve body 2, a pressure-regulating device 3, a connecting device 4, a switch device 5, a balance device 6, and an outlet connector 7.
  • the valve cap 1 and the valve body 2 are riveted together.
  • the valve cap 1 and the valve body 2 can be connected through screws or by other ways.
  • the valve cap 1 is positioned on the valve body 2.
  • the pressure-regulating device 3 and the balance device 6 are located inside the valve body 2.
  • the connecting device 4 is provided at the bottom of the valve body 2.
  • the switch device 5 is provided at a side of the valve body 2.
  • the outlet connector 7 is provided on the valve body 2 and is in fluid communication with the outlet fluid pressure cavity inside the valve body 2.
  • the LPG regulator is connected with a pipe of the LPG cylinders by the connecting device 4.
  • the switch device 5 controls the valve body 2 to be opened or closed.
  • the pressure of the fluid entering the valve body can be reduced by the pressure-regulating device 3 and the balance device 4.
  • the fluid with reduced pressure flows out of the valve body through the outlet connector 7.
  • the valve body 2 includes an inlet fluid pressure cavity 21 and an outlet fluid pressure cavity 22.
  • the inlet fluid pressure cavity 21 is in fluid communication with a gas inlet of the valve body, and the outlet fluid pressure cavity 22 is in fluid communication with a gas outlet of the valve body.
  • the inlet fluid pressure cavity 21 and the outlet fluid pressure cavity 22 are separated by a partition 23.
  • the partition 23 is provided with a throttling orifice 304.
  • the throttling orifice 304 is in fluid communication with both the inlet fluid pressure cavity 21 and the outlet fluid pressure cavity 22.
  • the pressure-regulating device 3 of the present embodiment comprises a lever 301 , a pin 302 for fixing the lever, a sealing gasket 303 located at one end of the lever 301 , a diaphragm axle 305 located at the other end of the lever 301 , a diaphragm 308 positioned on the diaphragm axle 305, a diaphragm disc 309 located above the diaphragm 308, and a pressure-regulating spring 310.
  • the lever 301 is located in the outlet fluid pressure cavity 2 and fixed by the pin 302, so that the lever can be rotated around the pin 302.
  • the lever 301 can be fixed though other devices, as long as the lever can be rotated around said devices.
  • the first end of the lever 301 is located above the throttling orifice 304 and the second end of the lever 301 is connected with the diaphragm axle 305.
  • the sealing gasket 303 is located at the first end of the lever 301 and used for sealing the throttling orifice 304.
  • the diaphragm axle 305 is provided with a connecting part 306 with a smaller diameter.
  • the connecting part 306 is engaged with a through-hole 307 of the lever 301 so that the balance device is connected with and in linkage with the lever 301 .
  • the diaphragm axle 305 can be connected to the lever 301 through a nut screwed on the diaphragm axle.
  • the diaphragm 308 is made of flexible materials, such as HNBR, FPM and so on. The edge of the diaphragm 308 is positioned at a position where the valve cap 1 and the valve body 2 are connected.
  • the diaphragm disc 309 is made of rigid materials, such as copper, aluminum alloy and so on. The diaphragm 308 and the diaphragm disc 309 are tightly pressed against and sealingly fixed with the diaphragm axle 305.
  • a pressure-regulating spring 310 is provided between the valve cap 1 and the diaphragm disc 309.
  • the high-pressure LPG bursts the sealing gasket 303, and enters the outlet fluid pressure cavity 22 through the throttling orifice 304.
  • the pressure in the outlet fluid pressure cavity 22 rises since the gas in the outlet fluid pressure cavity 22 increases.
  • the gas pressure forces the diaphragm 308 to project upward overcoming the elastic force of the pressure- regulating spring 310.
  • the diaphragm axle 305 drives the second end of the lever 301 to move upward quickly and the first end to move downward, so that the gas inlet 304 is closed and the gas is prevented from entering the outlet fluid pressure cavity 22, thereby the pressure in the outlet fluid pressure cavity 22 stops rising.
  • the diaphragm 308 sags downward and drives the second end of the lever to move downward and the first end to move upward, then the sealing gasket 303 is opened and the high-pressure LPG enters the outlet fluid pressure cavity 22.
  • the diaphragm 308 keeps projecting upward or downward, and the sealing gasket 303 is driven by the lever 301 to be closed or opened, thereby completing the whole process of homeostasis.
  • the balance device 6 of the present embodiment comprises a guiding rod 61 , a balance hole 62, a sealing member 63 and a washer 64, wherein the washer 64 is provided with a hole 641 for the passage of the balance member 61 and the balance hole 62 is provided on the partition 23.
  • the balance hole 62 is located at one side of the pin 302 for fixing the lever, while the throttling orifice 304 is located at the other side of the pin 302.
  • the balance hole 62 is in fluid communication with both the inlet fluid pressure cavity 21 and the outlet fluid pressure cavity 22.
  • One end of the guiding rod 61 passes through the balance hole 62 and extends into the inlet fluid pressure cavity 21 .
  • the other end of the guiding rod 61 is located in the outlet fluid pressure cavity 22 and movably connected with the lever 301 .
  • the lever 301 is provided with a connecting hole 3012 for guiding rod, and said other end of the guiding rod 61 is inserted into the connecting hole 3012, so that the guiding rod can slide along the connecting hole 3012.
  • the guiding rod 61 may not be always connected with the lever 301 , so long as the guiding rod 61 can exert an upward force on the lever 301 when the regulator is working.
  • the cross section of the guiding rod 61 can be any suitable shape, such as round, oval, ovate or polygons, and so on.
  • the portions where the balance member and the balance hole contact with each other are coated with lubricating grease, and the balance member is made of wear-resistant materials.
  • the partition 23 is further provided with an annular projection 620, which projects toward the outlet fluid pressure cavity and surrounds the balance hole 62.
  • the annular projection 620 is used to hold the sealing member 63.
  • the annular projection 620 is integrally formed on the partition 23.
  • the annular projection may be a separate component.
  • the sealing member 63 is used to seal the gap between the balance hole and the balance member, thereby preventing a fluid in the inlet fluid pressure cavity from entering the outlet fluid pressure cavity via the balance hole.
  • the sealing member is a sealing ring 63, as shown in Fig .1 .
  • the sealing ring 63 is positioned in the annular projection 620, and a washer 64 is positioned above the sealing ring 63 to press the sealing ring 63, thereby sealing the gap between the guiding rod 61 and the balance hole 62.
  • the sealing ring can be provided between the guiding rod 61 and the balance hole 62 by other ways.
  • the balance hole is provided with a groove and the sealing ring is positioned in the groove. In this way, the purpose of the present invention can be achieved without the washer 64.
  • the diameter of the throttling orifice 304 needs to be increased.
  • the fluid in the inlet fluid pressure cavity 21 exerts a greater pressure on the sealing gasket 303 due to the diameter of the throttling orifice 304 increases.
  • the fluid in the inlet fluid pressure cavity 21 will exert pressure on the bottom of the guiding rod 61 , thereby generating a counterclockwise moment toward the lever 301 .
  • the moment generated by the guiding rod 61 on the lever 31 can offset the moment generated due to the increase of the diameter of the throttling orifice, thereby keeping the dynamic balance of the pressure-regulating device.
  • the connecting device 4 of the present embodiment comprises a leaf spring 401 and a flat pin 402 both provided on the valve body 2, wherein a catch is engaged with the flat pin 402, and one end of the catch is closely contacted with the leaf spring 401 , which is used to clamp a cylinder pipe.
  • a valve core 404 can be moved up and down, so as to open/close the bottled LPG.
  • a valve sleeve 405 is provided on valve body 2.
  • a reset spring 406 is provided between the valve core 404 and the valve sleeve 405, and the reset spring 406 is used for resetting the valve core 404.
  • Sealing rings 407, 408 are respectively provided around the valve core 404 and the valve sleeve 405 for sealing purposes.
  • a connecting handle 409 is used to control the opening and closing of the communication between the LPG regulator and the cylinder pipe.
  • the connecting handle 409 has a security self-locking port 410 engaged with a switch handle 501 , so that the regulator cannot be separated from the cylinder pipe when LPG is in an open state, thereby ensuring user's safety.
  • the connecting handle 409 may not have said security self-locking port 410.
  • other connecting device may be employed.
  • the leaf spring 401 can be replaced as a spring, and an eccentric ring is provided at a connecting part of the cylinder pipe, so that the engagement between the spring and the eccentric ring helps to clamp the cylinder pipe.
  • the switch device 5 of the present embodiment comprises a switch handle 501 , and the switch handle 501 is sealingly connected with the valve body by a sealing ring 502.
  • a washer 503 is used to fix the switch handle 501 so as to prevent the switch handle 501 from being disengaged from the valve body 2.
  • a cam 504 is provided between the valve body 2 and the valve core 404. The cam 504 is used to open the valve core 404, thereby achieving gas communication between the regulator and the cylinder.
  • the high-pressure LPG bursts gasket 303 and passes through the throttling orifice 304 into the outlet fluid pressure cavity 22.
  • the gas pressure in the outlet fluid pressure cavity 22 rises as the gas in the outlet fluid pressure cavity 22 increases.
  • the gas pressure forces the diaphragm 308 to project upward overcoming the elastic force of the pressure-regulating spring 312, thereby exerting a counterclockwise moment on the lever 301 through the diaphragm axle 305.
  • the fluid in the inlet fluid pressure cavity 21 generates an upward pressure on the sealing gasket 303, thereby exerting a clockwise moment on the lever 301 through the sealing gasket 303; on the other hand, the fluid in the inlet fluid pressure cavity 21 generates an upward pressure on the guiding rod, so as to exert a counterclockwise moment on the lever 301 through the guiding rod 61 . Due to the increasing fluid in the outlet fluid pressure cavity 22, the sum of the counterclockwise moments exerted on the lever becomes larger than that of the clockwise moments exerted thereon.
  • the diaphragm axle 305 drives the right end of the lever 301 to move upward and the left end to move downward, so as to close the throttling orifice 304 and stop gas supply, thereby preventing the pressure in the outlet fluid pressure cavity 22 from increasing.
  • gas flows outward, and the pressure in the outlet fluid pressure cavity drops.
  • the diaphragm 308 sags downward and drives the right end of the lever 301 to move downward and the left end to move upward, thereby opening the sealing gasket 303 and enabling the high-pressure LPG to enter the outlet fluid pressure cavity 22.
  • the present invention includes the balance device 6, so as to enlarge outlet flow without increasing the outlet pressure, thereby achieving the coexistence of low outlet pressure and large outlet flow.
  • the present embodiment differs from first embodiment in that the present embodiment employs a balance device 6A.
  • the present embodiment employs a balance device 6A.
  • similar parts will not be further described again.
  • the balance device 6A includes a corrugated tube 6A1 and a balance hole 6A2.
  • a corrugated tube 6A1 For narrative convenience, an end near the balance hole 6A2 of the corrugated tube 6A1 is called first end, while an end near the lever 301 of the corrugated tube 6A1 is called second end.
  • the corrugated tube 6A1 is located inside of the outlet fluid pressure cavity 22.
  • the first end of the corrugated tube 6A1 is fixed on the partition 23 and is in fluid communication with the balance hole 6A2, so that the fluid entering through the balance hole 6A2 can fully flow into the corrugated tube 6A1 .
  • the second end of the corrugated tube 6A1 is connected with the second end of the lever 301 .
  • the fluid in the inlet fluid pressure cavity 21 flows into the corrugated tube 6A1 through the balance hole 6A2 and exerts an upward force on the second end of the lever 301 , thereby exerting a counterclockwise torque on the lever 301 .
  • the second end of the corrugated tube 6A1 may not be connected with the lever 301 .
  • the second end of the corrugated tube 6A1 is closed.
  • the fluid in the inlet fluid pressure cavity 21 flows into the corrugated tube 6A1 through the balance hole 6A2, then the corrugated tube 6A1 is lengthened so as to exert an upward force on the second end of the lever 301 , wherein the upward force produces a counterclockwise moment against the lever 301 .
  • the corrugated tube may also be substituted by a telescopic sleeve.
  • the telescopic sleeve on end of the telescopic sleeve is connected to the partition 23, while the other end of the telescopic sleeve is connected to the lever 301 .
  • the fluid in the inlet fluid pressure cavity 21 flows into the telescopic sleeve through the balance hole 6A2, and exerts an upward force on the second end of the lever 301 , wherein the force generates a counterclockwise moment against the lever 301 , which can achieve the same effect of the present invention.
  • the high-pressure LPG bursts gasket 303, and passes through the throttling orifice 304 into the outlet fluid pressure cavity 22.
  • the gas pressure in the outlet fluid pressure cavity 22 rises as the gas in the outlet fluid pressure cavity 22 increases.
  • the gas pressure forces the diaphragm 308 to project upward overcoming the elastic force of the pressure-regulating spring 312, thereby exerting a counterclockwise moment on the lever 301 through the diaphragm axle 305.
  • the fluid in the inlet fluid pressure cavity 21 exerts an upward pressure on the sealing gasket 303, thereby exerting a clockwise moment on the lever 301 through the sealing gasket 303; on the other hand, the fluid in the inlet fluid pressure cavity 21 exerts an upward pressure on the lever 301 through the corrugated tube 61 A, so as to exert a counterclockwise moment on the lever 301 . Due to the increasing fluid in the outlet fluid pressure cavity 22, the sum of the counterclockwise moments exerted on the lever becomes larger than that of the clockwise moments exerted thereon.
  • the diaphragm axle 305 drives the right end of the lever 301 to move upward and the left end to move downward, so as to close the throttling orifice 304 and stop gas supply, thereby preventing the pressure in the outlet fluid pressure cavity 22 from increasing.
  • gas flows outward, and the pressure in the outlet fluid pressure cavity drops.
  • the diaphragm 308 sags downward and drives the right end of the lever 301 to move downward and the left end to move upward, thereby opening the sealing gasket 303 and enabling the high-pressure LPG to enter the outlet fluid pressure cavity 22.
  • the present invention includes the balance device 6A, so as to enlarge outlet flow without increasing the outlet pressure, thereby achieving the coexistence of low outlet pressure and large outlet flow.

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Control Of Fluid Pressure (AREA)

Abstract

La présente invention concerne un régulateur de fluide qui peut obtenir une faible pression de sortie et un écoulement de sortie stable à fort débit de sortie. Le régulateur comprend un corps de vanne, un dispositif de régulation de pression et un dispositif d'équilibrage. Le corps de vanne comporte une cavité de pression de fluide d'entrée, une cavité de pression de fluide de sortie, et un orifice d'étranglement en communication fluidique avec la cavité de pression de fluide d'entrée et la cavité de pression de fluide de sortie. Le dispositif de régulation de pression comprend un levier, un dispositif d'étanchéité relié à une première extrémité du levier et un ensemble diaphragme relié à une seconde extrémité du levier. Le dispositif d'équilibrage comprend un trou d'équilibrage et un élément d'équilibrage. Le trou d'équilibrage est ménagé sur le corps de vanne, le trou d'équilibrage étant positionné d'un côté d'un dispositif de fixation de levier et l'orifice d'étranglement étant positionné de l'autre côté du dispositif de fixation de levier. L'élément d'équilibrage et le trou d'équilibrage sont disposés d'un même côté du dispositif de fixation de levier et configurés de manière que le fluide provenant de la cavité de pression de fluide d'entrée puisse exercer une force sur la seconde extrémité du levier par l'intermédiaire du trou d'équilibrage et de l'élément d'équilibrage.
PCT/EP2015/070402 2014-09-05 2015-09-07 Régulateur de fluide équilibré Ceased WO2016034744A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201420513295.8U CN204083404U (zh) 2014-09-05 2014-09-05 流体调压阀
CN201420513295.8 2014-09-05

Publications (1)

Publication Number Publication Date
WO2016034744A1 true WO2016034744A1 (fr) 2016-03-10

Family

ID=52176125

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2015/070402 Ceased WO2016034744A1 (fr) 2014-09-05 2015-09-07 Régulateur de fluide équilibré

Country Status (2)

Country Link
CN (1) CN204083404U (fr)
WO (1) WO2016034744A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113431907A (zh) * 2020-03-23 2021-09-24 林庆辉 一种启闭与减压功能为一体的流体阀门

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105465441B (zh) * 2014-09-05 2017-12-19 罗达莱克斯阀门(上海)有限公司 流体调压阀
CN106499865B (zh) * 2015-09-06 2021-06-08 费希尔调压器(上海)有限公司 用于流体调节器的带有阻尼器的杠杆组件
CN105889530A (zh) * 2016-06-30 2016-08-24 重庆市山城燃气设备有限公司 一种压力超限切断阀

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1537220A (en) * 1976-10-14 1978-12-29 Honeywell Bv Pressure regulator
WO2009132006A1 (fr) * 2008-04-21 2009-10-29 Emerson Process Management Regulator Technologies, Inc. Régulateur de service chargé en pression avec compensateur équilibré de pression

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1537220A (en) * 1976-10-14 1978-12-29 Honeywell Bv Pressure regulator
WO2009132006A1 (fr) * 2008-04-21 2009-10-29 Emerson Process Management Regulator Technologies, Inc. Régulateur de service chargé en pression avec compensateur équilibré de pression

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113431907A (zh) * 2020-03-23 2021-09-24 林庆辉 一种启闭与减压功能为一体的流体阀门
CN113431907B (zh) * 2020-03-23 2023-03-14 林庆辉 一种启闭与减压功能为一体的流体阀门

Also Published As

Publication number Publication date
CN204083404U (zh) 2015-01-07

Similar Documents

Publication Publication Date Title
WO2016034744A1 (fr) Régulateur de fluide équilibré
RU2646666C2 (ru) Компактное дозирующее устройство для инжектора с двумя топливными контурами для турбоустройства летательного аппарата
US10989462B2 (en) Refrigerator door body and refrigerator having the same
RU2010139983A (ru) Клапанное устройство для линзы с переменным фокусным расстоянием
US20220266182A1 (en) Gas filtering rubber pipe and pressure regulating valve bank
EP1591144A4 (fr) Vanne de regulation de pression a ouverture rapide, dispositif d'extinction de feu utilisant ladite vanne, dispositif de cylindre de gaz haute pression et dispositif d'alimentation rapide d'un fluide
CN102418445B (zh) 自动闭合带定位可调速的阻尼合页
KR101551474B1 (ko) 수동밸브 기능이 구비된 안전밸브
CN105065696B (zh) 一种速关调节阀
CN211901127U (zh) 一种防爆液压阀
CN203963028U (zh) 一种手动杠杆溢流阀
CN114776836B (zh) 一种防水烤炉阀
EP2708970B1 (fr) Régulateur de pression
WO2016001009A1 (fr) Soupape de limitation de pression
CN202767699U (zh) 自动闭合带定位可调速的阻尼合页
CN205260937U (zh) 一种高密封性能的安全阀
CN105738155A (zh) 一种油品取样装置
RU2527778C2 (ru) Автоматический запорный клапан
CN105465441A (zh) 流体调压阀
CN207605278U (zh) 一种智能消防洒水喷头分节启闭阀结构
US12480594B2 (en) Electromagnetic control device and gas valve having same
CN208750078U (zh) 一种插装式单向阀
WO2007013066A3 (fr) Regulateur de pression de fluide avec soupape sans purge
CN205155185U (zh) 调节阀以及用于调节阀的控制组件
TWI857844B (zh) 適用天然氣及液化石油氣之燃氣閥

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 15763535

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 15763535

Country of ref document: EP

Kind code of ref document: A1