EP0631655B1 - Flüssiggas-brennstoffbehälter - Google Patents

Flüssiggas-brennstoffbehälter Download PDF

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Publication number
EP0631655B1
EP0631655B1 EP94904692A EP94904692A EP0631655B1 EP 0631655 B1 EP0631655 B1 EP 0631655B1 EP 94904692 A EP94904692 A EP 94904692A EP 94904692 A EP94904692 A EP 94904692A EP 0631655 B1 EP0631655 B1 EP 0631655B1
Authority
EP
European Patent Office
Prior art keywords
tank
reservoir
liquid phase
volume
absorbent
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.)
Expired - Lifetime
Application number
EP94904692A
Other languages
English (en)
French (fr)
Other versions
EP0631655A1 (de
Inventor
René Frigiere
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.)
Cricket SA
Original Assignee
Cricket 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 Cricket SA filed Critical Cricket SA
Publication of EP0631655A1 publication Critical patent/EP0631655A1/de
Application granted granted Critical
Publication of EP0631655B1 publication Critical patent/EP0631655B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23Q—IGNITION; EXTINGUISHING-DEVICES
    • F23Q2/00—Lighters containing fuel, e.g. for cigarettes
    • F23Q2/34—Component parts or accessories
    • F23Q2/42—Fuel containers; Closures for fuel containers

Definitions

  • the present invention relates to a gaseous fuel tank in the liquid phase and more particularly to a removable tank or cartridge for an apparatus using the combustion of this gas.
  • Such a tank which is generally of cylindrical shape, has a filling orifice in the center of its bottom and, at its end opposite the bottom, a withdrawal orifice equipped with a withdrawal member such as a valve and d 'An evaporator pressure reducer, such as a porous element of permeability adapted to the desired flow rate.
  • the objective to be achieved is to store, in this tank, the largest quantity of fuel in the liquid phase, without it being possible for the liquid phase to reach the pressure reducer, which would cause spitting detrimental to the proper functioning of the device on which this tank is mounted.
  • One solution is to store the liquefied fuel in an absorbent in which it is retained in the liquid state by capillary forces.
  • the absorbent is characterized by its nature and density; it can also be characterized, in use, by the capillary rise of the absorbed liquid when equilibrium is reached, that is to say when the gravity forces are balanced by the capillary forces.
  • Document EP-A-0 202 172 relates to a tank for liquid gas, completely filled with an absorbent material, inside which is provided a perforated central chimney in which is engaged with clearance a dip tube intended for the outlet of the gas out of the tank.
  • Document EP-A-0 447 330 relates to a fuel tank stored in the liquid phase, the fuel being trapped within a porous or fibrous material filling the tank.
  • This tank includes a tube plunger connecting the outlet to the center of the tank.
  • the largest size of the tank is greater than this value of 100 mm, it is not possible to fill the tank beyond this maximum capacity without running the risk of having fuel in free liquid phase which can reach the pressure reducer, especially if the tank is held with its tapping hole in the low position.
  • the object of the invention is to provide a gas fuel tank in the liquid phase, comprising a volume of liquid gas in excess relative to the volume absorbed by an absorbent material, and in which the liquid phase does not reach the pressure reducer. , even after inverting the tank, movement during which a certain portion of liquid gas is desorbed, that is to say is no longer retained by the absorbent material.
  • the reservoir which it concerns of the type comprising an elongated cylindrical wall closed by two transverse bottoms, one lower and the other upper provided with a withdrawal orifice equipped with a withdrawal member such as a valve and a pressure reducer, its internal volume being occupied by an absorbent medium, is characterized in that a chamber is provided above the absorbent medium, between the latter and the upper bottom of the reservoir, the volume is at least equal to the volume of excess liquid phase fuel increased by the volume of liquid fuel released by the absorbent medium after inversion of the tank and in that the withdrawal orifice is equipped with a withdrawal or bore tube end, placed upstream of the reduction gear pressure-evaporator, housed axially in the upper chamber, and whose length is at least equal to the height of fuel in liquid phase which may be in this chamber when the tank is in the inverted position.
  • the absorbent medium consists of non-woven fiber based on cellulose.
  • a central absorption channel is formed along the longitudinal axis of the absorbent medium.
  • the withdrawal tube is arranged in the axis of the central channel of the absorbent medium, and its free end is arranged in the plane of the upper face of the absorbent material.
  • the upper face of the absorbent material consists of a conical surface, the top of which is turned towards the side of the bottom of the tank.
  • Figures 1 and 2 are two views in longitudinal section of a first embodiment of this tank, respectively in the upright position and in the inverted position.
  • Figures 3 and 4 are two sectional views of a second tank respectively in the upright position and in the inverted position.
  • Figure 5 is a view of a variant of the tank of Figure 1.
  • the fuel tank stored in the liquid phase comprises an elongated cylindrical wall 2 closed at its ends by two circular bottoms respectively a lower circular bottom 3 and an upper circular bottom 4.
  • the lower bottom 3 is provided with a filling orifice 5 of a known type and therefore not described in detail.
  • the upper bottom 4 has, in addition to means for connection to the device that this tank is intended to supply, a withdrawal orifice 6 equipped in a manner known per se with a withdrawal member such as a valve 7 and a pressure reducer-evaporator 8.
  • the means for connecting this reservoir to the device to be supplied are constituted by a cylindrical shell 9 externally threaded.
  • the interior of the reservoir is occupied, from its lower bottom 3, and over a length L1, of an absorbent medium 11.
  • a chamber 12 extending over a length L2.
  • the volume of the chamber 12 is at least equal to the volume of excess liquid phase fuel, that is to say, not absorbed by the medium 11, increased by the volume of liquid fuel released by the absorbent medium, after inverting the tank.
  • a withdrawal tube 13 equips the withdrawal orifice, upstream of the evaporator pressure reducer 8.
  • This tube 13 is disposed axially in the tank, and its length 1 is at least equal to the height of fuel in liquid phase which may be in the chamber 12 when the tank is in the inverted position, as shown in FIG. 2.
  • the end 13a of the withdrawal tube is never immersed in the liquid fuel, so that the liquid phase does not reach the pressure reducer, thus ensuring excellent operation of the device on which the tank is mounted.
  • a central and axial channel extends over the entire length L1 of the absorbent medium 11, having the effect of increasing sensitive surfaces in contact with the absorbent medium 11 and the fuel in liquid phase.
  • the absorption speed of the fuel in the liquid phase is of the order of 35 cm3 per min.
  • the end 13a of the withdrawal tube 13 is arranged substantially in the plane of the upper face of the absorbent material 11.
  • the reservoir shown in FIG. 5 is a variant of the reservoir in FIG. 1, in which the same elements are designated by the same references.
  • the upper face 14 of the absorbent material 11 is not planar but is formed by a conical surface whose top is turned towards the bottom bottom 3 of the tank, which allows an increase in the length of the tube 13.
  • Such an arrangement could also apply to the absorbent material 11 shown in FIGS. 3 and 4.
  • the free end 13a of the withdrawal tube 13 is represented as the open end of a normal cylindrical tube.
  • this free open end 13a is shaped differently, for example by providing an opening constituted by a longitudinal slot arranged along one of the generatrices of the tube from the end of it. this.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Feeding And Controlling Fuel (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)

Claims (5)

  1. Flüssiggas-Brennstoffbehälter mit einer zylindrischen Wand (2) in Längsrichtung, die durch zwei Böden in Querrichtung geschlossen ist, und zwar einen unteren (3) und einen oberen (4), der mit einer Abzugsöffnung (6) versehen ist, die mit einem Abzugsorgan wie einer Klappe (7) und einer Druckmindervorrichtung (8) ausgestattet ist, wobei sein Innenvolumen durch ein absorbierendes Medium (11) besetzt ist, dadurch gekennzeichnet, daß eine Kammer (12) oberhalb des absorbierenden Mediums zwischen diesem und dem oberen Boden des Behälters ausgespart ist, deren Volumen mindestens gleich dem Volumen des überschüssigen Flüssiggas-Brennstoffes zusätzlich des Volumens an Flüssigbrennstoff ist, der durch das absorbierende Medium nach Umdrehen des Behälters freigesetzt wird, und daß die Abzugsöffnung (6) mit einem Abzugsrohr (13) mit feiner Bohrung ausgestattet ist, das stromauf von der Druckmindervorrichtung (8) axial in der oberen Kammer (12) befestigt angeordnet ist und dessen Länge (1) mindestens gleich der Höhe des Flüssigbrennstoffes ist, der sich in dieser Kammer (12) befinden kann, wenn der Behälter in der umgedrehten Stellung ist.
  2. Behälter nach Anspruch 1, dadurch gekennzeichnet, daß das absorbierende Medium aus nicht-gewebter Faser auf Zellulosebasis besteht.
  3. Behälter nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß ein mittiger Absorptionskanal (17) entlang der Längsachse des absorbierenden Mediums (11) ausgespart ist.
  4. Behälter nach Anspruch 3, dadurch gekennzeichnet, daß das Abzugsrohr (13) auf der Achse des mittigen Kanals (17) des absorbierenden Mediums angeordnet ist und sein freies Ende (13a) in der Ebene der oberen Fläche des absorbierenden Materials (11) angeordnet ist.
  5. Behälter nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß die obere Fläche des absorbierenden Materials (11) aus einer konischen Oberfläche (14) besteht, deren Scheitel zur Seite des unteren Bodens (3) des Behälters gerichtet ist.
EP94904692A 1993-01-19 1994-01-19 Flüssiggas-brennstoffbehälter Expired - Lifetime EP0631655B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9300683A FR2700602B1 (fr) 1993-01-19 1993-01-19 Réservoir de combustible gazeux en phase liquide.
FR9300683 1993-01-19
PCT/FR1994/000063 WO1994017334A1 (fr) 1993-01-19 1994-01-19 Reservoir de combustible gazeux en phase liquide

Publications (2)

Publication Number Publication Date
EP0631655A1 EP0631655A1 (de) 1995-01-04
EP0631655B1 true EP0631655B1 (de) 1996-04-17

Family

ID=9443315

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94904692A Expired - Lifetime EP0631655B1 (de) 1993-01-19 1994-01-19 Flüssiggas-brennstoffbehälter

Country Status (6)

Country Link
US (1) US5544785A (de)
EP (1) EP0631655B1 (de)
JP (1) JP2971577B2 (de)
ES (1) ES2089918T3 (de)
FR (1) FR2700602B1 (de)
WO (1) WO1994017334A1 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9724168D0 (en) 1997-11-14 1998-01-14 Air Prod & Chem Gas control device and method of supplying gas
US5979936A (en) * 1997-12-23 1999-11-09 Autoliv Asp, Inc. Airbag inflator
US6994932B2 (en) * 2001-06-28 2006-02-07 Foamex L.P. Liquid fuel reservoir for fuel cells
US20030008193A1 (en) * 2001-06-28 2003-01-09 Foamex L.P. Liquid fuel delivery system for fuel cells
EP1518288A2 (de) * 2002-06-28 2005-03-30 Foamex L.P. Flüssigbrennstoff-behälter für brennstoffzelle
AU2003298987A1 (en) * 2002-09-18 2004-04-08 Foamex L.P. Orientation independent liquid fuel reservoir
US7762278B2 (en) * 2003-07-29 2010-07-27 Societe Bic Valves for fuel cartridges
EP2119953B1 (de) * 2006-12-26 2015-06-24 NKK Co., Ltd. Verwendung eines Adsorbent in einer Sprühdose zur Speicherung von brennbares verflüssigten Gas
EP2201294A2 (de) * 2007-07-03 2010-06-30 Heatgear Professional ApS Katalytische heizvorrichtung
JP5330673B2 (ja) * 2007-11-01 2013-10-30 王子ホールディングス株式会社 スプレー製品
JP5102178B2 (ja) * 2008-11-04 2012-12-19 王子ホールディングス株式会社 スプレー缶製品およびスプレー缶製品の製造方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4063665A (en) * 1976-12-06 1977-12-20 Chemtrust Industries Corporation Supply container and dispensing unit assembly
DE8506278U1 (de) * 1985-03-05 1985-05-30 Rothenberger GmbH & Co Werkzeuge-Maschinen KG, 6000 Frankfurt Flüssiggas-Behälter für Gasbrenner
US4729494A (en) * 1985-04-12 1988-03-08 Peillon Jean Pierre Container for liquid gas
US5083916A (en) * 1990-01-31 1992-01-28 Glen Co. Enterprises, Inc. Fuel combustion apparatus and method
FR2659723B1 (fr) * 1990-03-15 1992-06-12 Cricket Sa Reservoir de combustible normalement gazeux, stocke en phase liquide, pour appareil utilisant sa combustion en phase gazeuse.

Also Published As

Publication number Publication date
EP0631655A1 (de) 1995-01-04
WO1994017334A1 (fr) 1994-08-04
US5544785A (en) 1996-08-13
FR2700602A1 (fr) 1994-07-22
JP2971577B2 (ja) 1999-11-08
JPH07505214A (ja) 1995-06-08
ES2089918T3 (es) 1996-10-01
FR2700602B1 (fr) 1995-05-24

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