EP2006600A1 - Vorrichtung mit mehreren Ventilen für einen Gasbehälter - Google Patents

Vorrichtung mit mehreren Ventilen für einen Gasbehälter Download PDF

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Publication number
EP2006600A1
EP2006600A1 EP07110903A EP07110903A EP2006600A1 EP 2006600 A1 EP2006600 A1 EP 2006600A1 EP 07110903 A EP07110903 A EP 07110903A EP 07110903 A EP07110903 A EP 07110903A EP 2006600 A1 EP2006600 A1 EP 2006600A1
Authority
EP
European Patent Office
Prior art keywords
valve
valve body
overfill protection
level
poly
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.)
Granted
Application number
EP07110903A
Other languages
English (en)
French (fr)
Other versions
EP2006600B1 (de
Inventor
Claude Goffin
Philippe Bauer
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
Priority to AT07110903T priority Critical patent/ATE555347T1/de
Application filed by Luxembourg Patent Co SA filed Critical Luxembourg Patent Co SA
Priority to EP07110903A priority patent/EP2006600B1/de
Priority to PL07110903T priority patent/PL2006600T3/pl
Priority to EA201070043A priority patent/EA017571B1/ru
Priority to PCT/EP2008/057871 priority patent/WO2009000770A2/en
Priority to AU2008267824A priority patent/AU2008267824A1/en
Priority to CN2008800255569A priority patent/CN101779073B/zh
Priority to JP2010512702A priority patent/JP5420536B2/ja
Publication of EP2006600A1 publication Critical patent/EP2006600A1/de
Application granted granted Critical
Publication of EP2006600B1 publication Critical patent/EP2006600B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C13/00—Details of vessels or of the filling or discharging of vessels
    • F17C13/04—Arrangement or mounting of valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C13/00—Details of vessels or of the filling or discharging of vessels
    • F17C13/02—Special adaptations of indicating, measuring, or monitoring equipment
    • F17C13/021—Special adaptations of indicating, measuring, or monitoring equipment having the height as the parameter
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2221/00—Handled fluid, in particular type of fluid
    • F17C2221/03—Mixtures
    • F17C2221/032—Hydrocarbons
    • F17C2221/035—Propane butane, e.g. LPG, GPL
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
    • F17C2223/0146—Two-phase
    • F17C2223/0153—Liquefied gas, e.g. LPG, GPL
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/03—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the pressure level
    • F17C2223/033—Small pressure, e.g. for liquefied gas
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
    • F17C2250/04—Indicating or measuring of parameters as input values
    • F17C2250/0404—Parameters indicated or measured
    • F17C2250/0408—Level of content in the vessel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
    • F17C2250/04—Indicating or measuring of parameters as input values
    • F17C2250/0404—Parameters indicated or measured
    • F17C2250/0408—Level of content in the vessel
    • F17C2250/0413—Level of content in the vessel with floats
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
    • F17C2250/07—Actions triggered by measured parameters
    • F17C2250/072—Action when predefined value is reached
    • F17C2250/075—Action when predefined value is reached when full
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2260/00—Purposes of gas storage and gas handling
    • F17C2260/02—Improving properties related to fluid or fluid transfer
    • F17C2260/022—Avoiding overfilling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2270/00—Applications
    • F17C2270/01—Applications for fluid transport or storage
    • F17C2270/0165—Applications for fluid transport or storage on the road
    • F17C2270/0168—Applications for fluid transport or storage on the road by vehicles

Definitions

  • the present invention is directed to a poly valve for a gas tank, more particularly for a gas tank of a vehicle, preferably a LPG tank.
  • a poly valve device for a LPG tank is already known from FR 2 816 033 A (GIAT INDUSTRIES) 03.05.2002.
  • the device disclosed therein comprises a valve body with a flange for mounting on a gas tank, an overfill sensing means, an electrically operated overfill protection valve connected to the overfill sensing means, a valve means for delivering gas to the end user and a liquid level gauge transmitting its information electrically via a wire connection through the poly valve body.
  • the present invention seeks to solve the above mentioned problem by proposing a poly valve device for a gas tank comprising a valve body with a flange for mounting the device on the gas tank; an overfill protection valve mounted on an internal side of the valve body with regard to the tank when the device is mounted thereon; a fill port on an external side of the valve body and in communication with the overfill protection valve; a level indicator means on the internal side of the valve body; means for transmitting information of the level of liquid in the tank from the level indicator means to the external side of the valve body; a valve means mounted on the valve body for delivering gas from the tank to a user; the poly valve device further comprising a level sensing means with a floater hinged on the overfill protection valve and/or on the level indicator means and cooperating with both of them for providing information of the level of liquid.
  • the overfill protection valve is mounted on the valve body by fitting and crimping.
  • the overfill protection valve can comprise a generally cylindrical overfill protection valve body, one end of which being fitted and crimped in a corresponding bore of the valve body.
  • the level sensing means comprises a rod hinged on the overfill protection valve, the floater being on the rod, and a cam at a hinged section of the level sensing means, the cam interacting with the overfill protection valve for preventing an overfilling of the tank by closing the overfill protection valve when the level of liquid in the tank reaches a predetermined level upon refilling.
  • the level indicator means can comprise an elongated element rotatably supported on the valve body and generally perpendicular to the flange, a first end of the elongated element cooperating with the hinged section of the level sensing means and the second end of the elongated element transmitting by its rotation the information of the level of liquid in the tank to the external side of the valve body.
  • the second end of the elongated element can comprise magnetic means designed for transmitting the rotational position of the elongated element to an indicator on the external side of the valve body.
  • the first end of the elongated element can comprise a slot distant from a rotational axis of the elongated element and engaging with the rod or a pivot of the hinged section.
  • the overfill protection valve can comprise a piston with sealing means for closing the overfill protection valve, the piston having a polygonal, preferably hexagonal, section.
  • the piston has a passage from an upper side with the sealing means to a lower side of the piston and the overfill protection valve further comprises an overfill protection valve body and a control valve operated by the level sensing means and able to close a chamber of the overfill protection valve formed by the lower side of the piston and the overfill protection valve body.
  • Figure 1 is a view of the poly valve device of the present invention.
  • Figure 2 is a sectional view of the poly valve device of figure 1 .
  • Figure 3 is a perspective view of the device of the present invention.
  • the poly valve device comprises a valve body 1 with a flange 2 for sealingly mounting on a flat portion of a gas tank, for example, a gas powered vehicle.
  • the device comprises a series of devices for fulfilling a series of functions:
  • shut-off valve for gas delivery to the end user.
  • This valve is located approximately in the middle of the valve body 1 (it cannot be seen on the figures) and mounted from the upper side of the valve body.
  • the valve is actuated by a magnetic coil screwed on top of the shut-off valve. This magnetic coil is apparent on the top of the valve illustrated on the figures.
  • overfill protection valve 3 mounted on the lower side of the valve body within the contour of the flange.
  • the details of this protection valve are illustrated on figure 2 which shows a hollow overfill protection valve body 11 fitted in a bore 12 of the valve body.
  • the overfill protection valve is thereby in fluid connection with a passageway made in the valve body 1 extending from the lower side to the lower side of this latter.
  • the passageway is in connection with a fill port 4 on the upper side of the valve body 1.
  • a check valve is located in the passageway in order to allow a flow of gas from the fill port to the gas tank and to block any counter flow from the tank to the fill port.
  • the overfill protection valve body 11 is generally cylindrical and comprises a piston 17 slidably mounted therein.
  • This piston has sealing means at its upper end in the form here of an elastomer o-ring arranged in a circular nut. This o-ring cooperates with a seat in the overfill protection valve body 11.
  • the piston is held in its upper position as shown in figure 2 by means of a resilient means like a spring.
  • the piston has a cavity which is in connection with the upper side of the piston via a passageway along its longitudinal axis.
  • the lower side of the piston and the interior of the overfill protection valve define a chamber 20.
  • the lower side of the overfill protection valve body has a control valve which is designed for shutting off the chamber 20.
  • the upper surface of the piston in contact with the gas when refilling and the resilient means of the piston are dimensioned such that, upon refilling, the piston 17 is lowered down under the refill pressure.
  • a small portion of the refill gas flows through the passageway of the piston to the chamber 20 and through a control valve 19 which is held in an open position by a level sensing means 5.
  • the level sensing means releases the control valve 19 which is normally closed from an opened position to a closed position. This has for effect to close the exit of the chamber 20 and therefore to increase the pressure in the chamber 20.
  • This increase of pressure has for effect to lift the piston 17 and to close the overfill protection valve.
  • This closing movement is due to the difference of surfaces on the upper side and the lower side of the piston 17. The higher the refill pressure is, the more the protection valves closes thereby providing an improved overfill protection valve.
  • a level indicator comprising a rod 6 arranged perpendicularly to the flange surface of the poly valve device, the angular position of which being coupled to the position of a level sensing means 5, and level indicating means on the external side of the valve body 1 and coupled to the rod 6 in order to indicate the level of liquid in the tank.
  • the rod 6 supported by a bearing element 21 in order to be able to freely rotate.
  • the bearing element is preferably made of plastic and supports the rod 6 at two locations, i.e. at a first location close to the valve body 1 and at a second location distant from the valve body 1.
  • Figure 2 shows indeed such a supporting element with a first major bearing section close to the valve body 1, an elongate element extending from this major bearing section with a second minor bearing section in the form of a clip.
  • the lower end 15 of the rod 6, i.e. close to the second minor bearing section of the supporting element 21 features a section extending essentially perpendicularly to the longitudinal axis of the rod.
  • This section is preferably in the form of an opened slot and engages with a moving part of the level sensing means 5.
  • the angular position of the rod 6 is therefore dependent on the level of liquid in the tank.
  • the upper end 8 is designed to transmit its angular position to the external side of the valve body 1.
  • the upper end 8 comprises a permanent magnet with a magnetic field main direction generally perpendicular to the longitudinal axis of the rod 6.
  • the level indicating means preferably comprise a section 7 for indicating the level to the user and a section 9 which receives the information about the level from the rod 6.
  • the section 9 comprises permanent magnets, the magnetic field of which being coupled with the magnetic field of the upper end 8 of the rod 6. The rod does not therefore need to traverses the valve body 1.
  • An alternative to the magnetic coupling means could be the use of any known electrical angular sensor or encoder like a hall-effect one for example, which would be connected to the level indicating means by means of electrical leads or wires traversing the valve body.
  • the poly valve device has been rendered particularly compact by means of a series of measures.
  • a first measure is the use of a common level sensing means 5 for both the overfill protection valve and the level indicator.
  • the level sensing means comprises a rod 13 (see figure 1 ), one end of which being hinged on the overfill protection valve body 11 and the other end of which carrying a floater 10.
  • Figure 1 shows that the rod 13 is bent to 90 degrees close to the floater 10.
  • the hinged section level sensing means comprises a cam 14 linked to the rod 13 and a pivot 16 traversing the overfill protection valve body 11 and the cam 14.
  • the profile of the cam cooperates with a section of the control valve 19 such that the position of the movable part of this control valve 19 is dependent on the angular position of the cam 14.
  • the pivot 16 comprises a section extending from the overfill protection valve body 11 at approximately 90°.
  • the pivot 16 is firmly fixed to the cam in the present embodiment so that its extending section moves as the rod 13 swings around the pivot axis.
  • the extending section of the pivot engages with the slot extending from the lower end 15 of the rod 6 of the level indicator means. Any variation of the level of liquid in the tank will therefore impart a tilting movement of the rod/floater assembly 13/10 and also a rotation movement of the cam 14 and of the rod 6 of the level indicator means.
  • This change of angular position of the rod 6 will be transmitted to the level indicator 7 on the external side of the valve body 1.
  • the angular position of the cam and the cam profile are such that the control valve 19 is not maintained in its open position anymore, i.e. practically, the portion of the cam profile in contact with the control valve at this angular position of the cam is lowered such that the control valve 19 closes and the overfill protection valves closes and stop the refilling operation.
  • the end portion of the rod 13 could be bent to approximately 90° and be inserted in the overfill protection valve body and the cam 14 instead of the pivot.
  • the extending section or slot of the lower end 15 of the rod 6 of the level indicator means would then directly engage with the rod 13 of the level sensing means.
  • the rod/floater assembly 13/10 could be hinged on the bearing element 21 instead of the overfill protection valve body, or on both the bearing and the overfill protection valve body.
  • a second measure for rendering the poly valve compact is the fitting and crimping of the overfill protection valve body 11 in the poly valve body 1.
  • the overfill protection valve body needs to be of a certain size, in particular with respect to its diameter in order to achieve certain performances with respect to the acceptable flow of liquid gas when refilling.
  • the common way for mounting such a valve is by screwing. This requires a certain wall thickness of the bore of the poly valve body 1 where the thread is to be cut, as is well known in the art.
  • the use of the method of fitting followed by crimping requires much less wall thickness of the receiving bore.
  • fitting and crimping instead of screwing renders much easier the angular positioning of the overfill protection valve body 11.
  • a third measure is the fitting and crimping of the supporting element 21 in a bore of the poly valve body 1. This provides the same advantages with regard to compactness as for the overfill protection valve.
  • a fourth measure is the use of a piston 17 for the overfill protection valve of polygonal cross-section. Indeed, it has been found that a circular section of the piston can lead to a jamming of the piston due to impurities in the gas.
  • a polygonal cross-section, preferably a hexagonal cross-section, of the piston reduces the risk of jamming.
  • the stroke of the piston and the size of the side openings in the overfill protection valve body have to be increased and the spring rate has to be relatively low.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Self-Closing Valves And Venting Or Aerating Valves (AREA)
  • Indication Of The Valve Opening Or Closing Status (AREA)
  • Float Valves (AREA)
EP07110903A 2007-06-22 2007-06-22 Vorrichtung mit mehreren Ventilen für einen Gasbehälter Not-in-force EP2006600B1 (de)

Priority Applications (8)

Application Number Priority Date Filing Date Title
EP07110903A EP2006600B1 (de) 2007-06-22 2007-06-22 Vorrichtung mit mehreren Ventilen für einen Gasbehälter
PL07110903T PL2006600T3 (pl) 2007-06-22 2007-06-22 Urządzenie wielozaworowe do zbiornika na paliwo
AT07110903T ATE555347T1 (de) 2007-06-22 2007-06-22 Vorrichtung mit mehreren ventilen für einen gasbehälter
PCT/EP2008/057871 WO2009000770A2 (en) 2007-06-22 2008-06-20 Poly valve device for gas tank
EA201070043A EA017571B1 (ru) 2007-06-22 2008-06-20 Многофункциональное клапанное устройство для резервуара для газа
AU2008267824A AU2008267824A1 (en) 2007-06-22 2008-06-20 Poly valve device for gas tank
CN2008800255569A CN101779073B (zh) 2007-06-22 2008-06-20 用于气体储存器的多阀设备
JP2010512702A JP5420536B2 (ja) 2007-06-22 2008-06-20 ガスタンク用ポリバルブ装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP07110903A EP2006600B1 (de) 2007-06-22 2007-06-22 Vorrichtung mit mehreren Ventilen für einen Gasbehälter

Publications (2)

Publication Number Publication Date
EP2006600A1 true EP2006600A1 (de) 2008-12-24
EP2006600B1 EP2006600B1 (de) 2012-04-25

Family

ID=38596686

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07110903A Not-in-force EP2006600B1 (de) 2007-06-22 2007-06-22 Vorrichtung mit mehreren Ventilen für einen Gasbehälter

Country Status (8)

Country Link
EP (1) EP2006600B1 (de)
JP (1) JP5420536B2 (de)
CN (1) CN101779073B (de)
AT (1) ATE555347T1 (de)
AU (1) AU2008267824A1 (de)
EA (1) EA017571B1 (de)
PL (1) PL2006600T3 (de)
WO (1) WO2009000770A2 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016146741A1 (en) * 2015-03-17 2016-09-22 Linde Aktiengesellschaft Angular orientation sensing valve

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0026407A1 (de) * 1979-10-01 1981-04-08 THE LAMSON & SESSIONS CO. Motorisch angetriebenes Spannwerkzeug
US4483367A (en) * 1984-01-20 1984-11-20 Rochester Gauges, Inc. Stop fill valve
US4651628A (en) * 1985-02-01 1987-03-24 J. M. Voith Gmbh Piston-cylinder arrangement of polygonal cross section
US5027871A (en) * 1990-02-23 1991-07-02 Guenther Mathias J J LPG tank control valve system
WO2000002015A2 (en) * 1998-07-02 2000-01-13 Rochester Gauges, Inc. Liquid level gauge
FR2816033A1 (fr) * 2000-10-26 2002-05-03 Giat Ind Sa Polyvanne pour reservoir de fluide gazeux tel gpl
JP2002242571A (ja) * 2001-02-22 2002-08-28 Koken Boring Mach Co Ltd 多角形ピストンおよびダウンザホールドリル
EP1666779A2 (de) * 2004-12-01 2006-06-07 Torrent Trading Ltd. Ventilanordnung mit Überfüllungsschutz und kapazitiver Füllstandsanzeige
EP1688650A1 (de) * 2005-02-02 2006-08-09 Torrent Trading Ltd. Ventilanordnung mit Überfüllsicherung und Füllstandanzeige

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61204098U (de) * 1985-06-13 1986-12-22
SU1692478A1 (ru) * 1989-10-03 1991-11-23 Проектно-конструкторское бюро "Прогресс" Устройство дл изготовлени полуфабрикатов изделий из теста с начинкой
JP2001165394A (ja) * 1999-12-14 2001-06-22 Yazaki Corp 過充填防止装置
JP3070512U (ja) * 2000-01-25 2000-08-04 株式会社宮入バルブ製作所 バルク貯槽用マルチバルブ
FR2820388B1 (fr) * 2001-02-07 2004-05-28 Bosch Sist De Frenado Sl Dispositif de reaction pour servomoteur pneumatique d'assistance au freinage et servomoteur pneumatique d'assistance au freinage comportant un tel dispositif
JP4527414B2 (ja) * 2004-02-18 2010-08-18 中央精機株式会社 液化ガス容器用バルブ装置

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0026407A1 (de) * 1979-10-01 1981-04-08 THE LAMSON & SESSIONS CO. Motorisch angetriebenes Spannwerkzeug
US4483367A (en) * 1984-01-20 1984-11-20 Rochester Gauges, Inc. Stop fill valve
US4651628A (en) * 1985-02-01 1987-03-24 J. M. Voith Gmbh Piston-cylinder arrangement of polygonal cross section
US5027871A (en) * 1990-02-23 1991-07-02 Guenther Mathias J J LPG tank control valve system
WO2000002015A2 (en) * 1998-07-02 2000-01-13 Rochester Gauges, Inc. Liquid level gauge
FR2816033A1 (fr) * 2000-10-26 2002-05-03 Giat Ind Sa Polyvanne pour reservoir de fluide gazeux tel gpl
JP2002242571A (ja) * 2001-02-22 2002-08-28 Koken Boring Mach Co Ltd 多角形ピストンおよびダウンザホールドリル
EP1666779A2 (de) * 2004-12-01 2006-06-07 Torrent Trading Ltd. Ventilanordnung mit Überfüllungsschutz und kapazitiver Füllstandsanzeige
EP1688650A1 (de) * 2005-02-02 2006-08-09 Torrent Trading Ltd. Ventilanordnung mit Überfüllsicherung und Füllstandanzeige

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016146741A1 (en) * 2015-03-17 2016-09-22 Linde Aktiengesellschaft Angular orientation sensing valve

Also Published As

Publication number Publication date
PL2006600T3 (pl) 2012-09-28
CN101779073B (zh) 2012-02-15
WO2009000770A2 (en) 2008-12-31
ATE555347T1 (de) 2012-05-15
WO2009000770A3 (en) 2009-02-26
EP2006600B1 (de) 2012-04-25
EA201070043A1 (ru) 2010-06-30
EA017571B1 (ru) 2013-01-30
AU2008267824A1 (en) 2008-12-31
JP5420536B2 (ja) 2014-02-19
CN101779073A (zh) 2010-07-14
JP2010530944A (ja) 2010-09-16

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