EP1681232A1 - Atemgas-Druckregler - Google Patents

Atemgas-Druckregler Download PDF

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Publication number
EP1681232A1
EP1681232A1 EP20050301065 EP05301065A EP1681232A1 EP 1681232 A1 EP1681232 A1 EP 1681232A1 EP 20050301065 EP20050301065 EP 20050301065 EP 05301065 A EP05301065 A EP 05301065A EP 1681232 A1 EP1681232 A1 EP 1681232A1
Authority
EP
European Patent Office
Prior art keywords
valve body
seat
movable seat
annular
face
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
EP20050301065
Other languages
English (en)
French (fr)
Other versions
EP1681232B1 (de
Inventor
Stéphane Lot.40-Lotissement Rosemarines Carepa
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.)
La Spirotechnique Industrielle et Commerciale
Original Assignee
La Spirotechnique Industrielle et Commerciale
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 La Spirotechnique Industrielle et Commerciale filed Critical La Spirotechnique Industrielle et Commerciale
Publication of EP1681232A1 publication Critical patent/EP1681232A1/de
Application granted granted Critical
Publication of EP1681232B1 publication Critical patent/EP1681232B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
    • B63C11/00—Equipment for dwelling or working underwater; Means for searching for underwater objects
    • B63C11/02—Divers' equipment
    • B63C11/18—Air supply
    • B63C11/22—Air supply carried by diver
    • B63C11/2209—First-stage regulators
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/87917—Flow path with serial valves and/or closures

Definitions

  • the present invention relates to pressurized breathable gas pressure regulators, of the type comprising an end connectable to a high pressure gas supply valve body, this end defining a pressurized gas supply channel, especially a gas mixture duct. respiratory for diver or firefighter / rescuer.
  • regulators are connected and disconnected to the faucet / gas tank assembly before and after each use. In the field of scuba diving, after each use the regulators are rinsed in fresh water and stored in the open air.
  • connection end a hinged closing element, for example example of the lid type, manually operable.
  • This manual actuation in addition to complicating and weakening the connection end, and preventing the establishment of a protective cover, also makes the connection procedure complex and does not guarantee the penetration of foreign bodies just before or after connection / disconnection with the faucet / bottle assembly.
  • the present invention aims to provide a simple, robust and reliable arrangement for closing or opening automatically the gas supply channel when connected to the valve body and suitable for both type of connection called “stirrup” or type called “DIN”.
  • the feed channel terminates in a stationary valve member cooperating with a mobile seat biased by an elastic means in a closed position of the supply channel, and comprising a external face capable of cooperating in engagement with a corresponding surface of the valve body to push the movable seat against the resilient means to an open position upon connection with the valve body.
  • an expansion valve unit 1 incorporating a membrane-integrated pressure-reducing device 2 intended to be connected to a valve body 3 is connected via, in the so-called “stirrup" connection mode, a stirrup 4 integral with the block 1 receiving the valve body 3 and carrying a pressure screw 5 for pressing the valve body 3 in the connection position against the expander block 1.
  • the latter comprises at least one medium / low pressure gas outlet 60 gas conveyed by the valve body 3 to the expander device 2 via a pressurized gas supply channel 6 opening towards the outside of the connection end of the expander block 1.
  • the inlet channel 6 is formed, at its inlet, by a blind coaxial bore of a tubular valve element 7 mounted stationary in the end. connecting the expansion valve block 1, the blind bore 6 opening outwards through radial passages 8 formed below an enlarged end head 9 of the element 7.
  • annular seat 10 having an annular projecting or flanging outer end 11 forming an annular end face 12 around the head 9, obviously inside the annular flange 11 connecting internally with the sliding bore of the seat 10 on the tubular element 9 by a seat edge 90 normally biased in engagement with the rear frustoconical face 13 of the head 9 by a spring 23 supporting in the regulator block 1 and pushing the seat 10 outwardly.
  • the valve body 3 comprises, around the channel 14 for supplying pressurized gas from a container or bottle of pressurized gas a bowl of the same transverse dimension as the collar 11 and defining a annular inner shoulder 15 cooperating in engagement, during the pressing of the valve body 3 by the screw 5 against the expander block 1, with the annular end face 12 of the movable seat 10, thus pushing it inwardly to the against the spring 14 and opening the passage between the seat edge 90 and the face 13 of the head 9.
  • the recoil of the seat 10 in the expansion unit 1 is limited by the abutment of a rear shoulder 91 of the seat against a corresponding shoulder of the body 1.
  • the sealing configuration in connection between the shoulder 15 of the body 3 and the annular end face 12 of the seat 10 is provided by a seal 16 mounted in the bottom of the bowl of the valve body 3 and the seal between the movable seat 10 and the stationary valve member 9 is provided by a sliding joint 17 mounted in the seat 10.
  • the positioning of the seals 16 and 17 between the two parts can be reversed.
  • connection type "DIN" shown in Figures 3 to 5 there is the connecting end of the expansion block 1 with its stationary valve member 9 surrounded by the movable seat 10, biased in the closed position by the spring 23, this crew being here intended to be fully received in a hollow bowl 18 of the valve body 3 forming, in its bottom, always around the channel 14 for supplying pressurized gas, the abutment shoulder 15 and having a tapped front end to be screwed into the threaded tubular end 19 of the expander block 1 housing the movable seat 10.
  • the valve body 3, supporting the opening / closing valve 20 is integral, in this embodiment of a threaded base 21 to be mounted in the neck of a pressurized gas cylinder (not shown).
  • the seal between the abutment faces 12 and 15 is provided by an O-ring 16 mounted in the movable seat 10 and the sliding seal of the latter is provided by a sliding joint 17 cooperating here with the peripheral wall of a shank 22 for mounting the stationary valve member 9 in the expander block 1.
  • the assemblies of the seals 16 and 17 can also be reversed.
  • the inlet passage of the supply channel 6 is hermetically sealed, the simple connection of the pressure reducing unit 1 with the valve body 3 opening this passageway to create and maintain a stable determined inlet section sufficient to meet the respiratory performance of a relaxed respiratory gas user, regardless of the high feed pressure of the latter.
  • the arrangement according to the invention allows a rotation of the pressure reducer block by the user even in the configuration connected under pressure, the users having the unfortunate habit of forcing on the connection of the regulator block to bring back the medium pressure outlets thereof in a determined position.
  • the mobile seat according to the invention gives a degree of freedom to the connection in the axis of the valve body which avoids the possibility of initiating a loosening torque of the expander block.
  • the outer end of the seat mobile 10 may be covered with a tear-off or removable protective cover.

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Pulmonology (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Safety Valves (AREA)
  • Control Of Fluid Pressure (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Steroid Compounds (AREA)
  • Feeding And Controlling Fuel (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Lift Valve (AREA)
EP20050301065 2005-01-18 2005-12-16 Atemgas-Druckregler Active EP1681232B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0550143A FR2880961B1 (fr) 2005-01-18 2005-01-18 Detendeur de gaz respirable sous pression

Publications (2)

Publication Number Publication Date
EP1681232A1 true EP1681232A1 (de) 2006-07-19
EP1681232B1 EP1681232B1 (de) 2010-08-25

Family

ID=34954554

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20050301065 Active EP1681232B1 (de) 2005-01-18 2005-12-16 Atemgas-Druckregler

Country Status (5)

Country Link
US (1) US7334772B2 (de)
EP (1) EP1681232B1 (de)
AT (1) ATE478799T1 (de)
DE (1) DE602005023116D1 (de)
FR (1) FR2880961B1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7334772B2 (en) * 2005-01-18 2008-02-26 La Spirotechnique Industrielle Et Commerciale Pressurized breathable gas pressure regulator
WO2017046503A1 (fr) * 2015-09-18 2017-03-23 La Spirotechnique Industrielle Et Commerciale Dispositif détendeur de premier étage de gaz respirable sous pression

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110041853A1 (en) * 2009-08-21 2011-02-24 Intertechnique, S.A. Circuit for supplying a respiratory gas to an aircraft passenger from a pressurized source comprising a pressure regulating unit
US10073071B2 (en) 2010-06-07 2018-09-11 David Deng Heating system
US10222057B2 (en) 2011-04-08 2019-03-05 David Deng Dual fuel heater with selector valve
US9739389B2 (en) 2011-04-08 2017-08-22 David Deng Heating system
CN102506198B (zh) 2011-10-20 2013-05-22 南京普鲁卡姆电器有限公司 双气源燃气自适应主控阀
CN102715204A (zh) * 2012-07-04 2012-10-10 普鲁卡姆电器（上海）有限公司 一种双气源bbq烤炉
FR3025855B1 (fr) 2014-09-16 2016-12-23 R G S A S Di Rosaria Galli & Co Systeme de raccordement comportant un dispositif d'obturation pour detendeur de plongee.

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4396032A (en) * 1981-04-09 1983-08-02 Pittman Products, Inc. Safety underwater pressure regulator
EP0276676A2 (de) * 1987-01-28 1988-08-03 The Sumitomo Bank, Limited Druckregulierungsventil für die zweite Reduzierstufe eines Luftatmungsgeräts

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2331089A1 (fr) * 1975-06-30 1977-06-03 Le Cornec Jacques Dispositif de regulation d'air pour detendeur
US5899223A (en) * 1996-11-08 1999-05-04 Precision Medical, Inc. Compact gas pressure regulator
US6484720B1 (en) * 2000-10-20 2002-11-26 Applied Marketing, Inc. Five spring regulator
US20020179153A1 (en) * 2001-06-01 2002-12-05 Taylor Shane S. Fluid flow control valve
US6601609B2 (en) * 2001-06-01 2003-08-05 Shane S. Taylor Fluid flow control valve
ATE372922T1 (de) * 2002-07-05 2007-09-15 Taylor Shane S Gasventil
US6691978B1 (en) * 2002-08-21 2004-02-17 Gaap Gas Controls Llc Cylinder coupling device
FR2880961B1 (fr) * 2005-01-18 2007-02-23 Spirotechnique Sa Detendeur de gaz respirable sous pression

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4396032A (en) * 1981-04-09 1983-08-02 Pittman Products, Inc. Safety underwater pressure regulator
EP0276676A2 (de) * 1987-01-28 1988-08-03 The Sumitomo Bank, Limited Druckregulierungsventil für die zweite Reduzierstufe eines Luftatmungsgeräts

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7334772B2 (en) * 2005-01-18 2008-02-26 La Spirotechnique Industrielle Et Commerciale Pressurized breathable gas pressure regulator
WO2017046503A1 (fr) * 2015-09-18 2017-03-23 La Spirotechnique Industrielle Et Commerciale Dispositif détendeur de premier étage de gaz respirable sous pression
FR3041325A1 (fr) * 2015-09-18 2017-03-24 La Spirotechnique Ind Et Commerciale Dispositif detendeur de premier etage de gaz respirable sous pression

Also Published As

Publication number Publication date
ATE478799T1 (de) 2010-09-15
EP1681232B1 (de) 2010-08-25
FR2880961A1 (fr) 2006-07-21
US20060157123A1 (en) 2006-07-20
DE602005023116D1 (de) 2010-10-07
US7334772B2 (en) 2008-02-26
FR2880961B1 (fr) 2007-02-23

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