EP0907054A1 - Tragbares Heizgerät direkt befestigt an einem auswechselbaren oder nachfüllbaren Flüssiggasbehälter - Google Patents

Tragbares Heizgerät direkt befestigt an einem auswechselbaren oder nachfüllbaren Flüssiggasbehälter Download PDF

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Publication number
EP0907054A1
EP0907054A1 EP97830495A EP97830495A EP0907054A1 EP 0907054 A1 EP0907054 A1 EP 0907054A1 EP 97830495 A EP97830495 A EP 97830495A EP 97830495 A EP97830495 A EP 97830495A EP 0907054 A1 EP0907054 A1 EP 0907054A1
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EP
European Patent Office
Prior art keywords
burner
heat
cartridge
injector
thermally conductive
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.)
Withdrawn
Application number
EP97830495A
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English (en)
French (fr)
Inventor
Giovanni Santilli
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to EP97830495A priority Critical patent/EP0907054A1/de
Publication of EP0907054A1 publication Critical patent/EP0907054A1/de
Withdrawn legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C3/00—Stoves or ranges for gaseous fuels
    • F24C3/14—Stoves or ranges for gaseous fuels with special adaptation for travelling, e.g. collapsible
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C3/00—Stoves or ranges for gaseous fuels
    • F24C3/02—Stoves or ranges for gaseous fuels with heat produced solely by flame

Definitions

  • the present invention relates to a portable gas appliance G.P.L. fixed directly on disposable cartridges or on refillable tanks, applicable to a thermal user, of the type which includes a burner of the gas emitted by the valve injector mounted on the cartridge.
  • the present invention mainly applies to portable ovens for firing ceramics, enamels on metals, or for melting glass and metals, used for artistic crafts and hobby.
  • portable ovens for firing ceramics, enamels on metals, or for melting glass and metals, used for artistic crafts and hobby.
  • the burners of these portable ovens fixed directly on a container of G.P.L., cannot use cartridges disposable but only refillable tanks, much larger and heavier.
  • a known example is the subject of patent G. Santilli IT 1,214,778 / USA 4 628 895 / etc.
  • the gas changes from the liquid state to the state gaseous.
  • Such a change of state generates cold inside the cartridge gas. If the desired power requires too much gaseous gas in relation to the quantity of liquid gas available, the cold thus generated slows gasification.
  • This phenomenon limits the power of the burners that can be mounted on a given cartridge size, and reduces the power actually supplied by the burner as the gas runs out.
  • the burner is always attached to a metal group which includes an injector, a tap and a cartridge connection.
  • the heat transmitted by conduction by the burner limits the element duration of vital importance, which poses a security problem.
  • items that can deteriorate are the rubber seals of the valve and the plastic micro-valve found on many models of cartridges disposable.
  • the security problem is a major obstacle to further miniaturization in addition push required by the market.
  • the sensitive elements remain at a certain distance from the hot elements, or are separated by a metal or rubber hose.
  • a fixed device directly on disposable cartridge cannot be miniaturized beyond a certain limit. This problem is felt particularly in the field of ovens for ceramic and portable type glass, due to the large amount of heat transmitted by conduction.
  • the disposable cartridges used in camping generally contain butane.
  • butane is particularly sensitive to pressure drops caused by cold.
  • some manufacturers offer cartridges filled with a butane-propane mixture, or with pure propane.
  • Propane is a gas G.P.L. at high pressure, therefore less subject to pressure drops caused by cold.
  • the major pressure is however at the origin of production costs higher for the cartridge.
  • thermoregulatory system formed by the combination of two devices, one thermally conductive, the other thermally insulating, opposite and complementary.
  • the first thermally conductive device conducts the right amount of heat to the cartridge to maintain the gas at useful temperature and pressure. This increases the power available under normal conditions and maintain power in extreme conditions.
  • the second device thermal insulation consists of a burner suspended in front of the injector. This solution prevents the conduction of heat from the burner to the tap-cartridge group, thus allowing to increase the power and the miniaturization, without risk for the elements more sensitive to the heat of the valve-cartridge group.
  • in 1 is indicated the set of the portable gas appliance G.P.L. made according to the invention, fixed directly to the gas cartridge 2, used to heat a thermal user 3, possibly placed on a support 4.
  • the thermal user 3 is an oven for ceramic, glass or metals; in Figure 2, it is a camping lamp 11; in figure 3, it is a pan for cooking food.
  • the thermal user is an open flame used in DIY for the welding or for removing old paints.
  • the apparatus 1 comprises a thermally conductive device 10, which conducts the right amount of heat from the hot zones of the device to the cartridge 2.
  • This device has a heat capture end 10a, and a heat diffusion end 10b.
  • the end 10b appropriately wraps the cartridge 2, to which it diffuses heat.
  • the end 10a collects the heat irradiated by the fire hearth 3a from the oven or by the lamp 11.
  • the end 10a is advantageously located on the burner flame 9.
  • the end 10a envelops and supports the burner 9.
  • the device 10 is made of metal, removable, of thickness and of variable dimensions so that we can modulate the amount of heat lead to cartridge 2, depending on the uses and conditions of environment, and so that the device can be adapted to various models of cartridges.
  • This device 10 maintains at useful temperature and pressure, the gas contained in cartridge 2. This device thus allows this type of device to be used in a cold environment, or allows more powerful devices to be connected to a given cartridge, or increases the amount of gas emitted and the transmission speed from a given cartridge.
  • the apparatus 1 further comprises a thermal insulation device 13, constituted by a separation between the burner 9 on one side, and the injector 6 with tap 7 of the other.
  • the burner 9 is in no way fixed to the injector 6 or to the tap 7, but to other parts of the device.
  • the burner 9 is attached to a heat shield 8a which protects all the underlying elements from the heat radiated by the mouth fire 3a from the oven, according to Santilli IT 1,214,778 / USA 4,628,895 / etc.
  • the burner 9 is fixed to the support 8b of the green 12 of the lamp 11.
  • the burner is attached to a wind screen 8c.
  • the burner is fixed to the end 10a of the thermally conductive device 10.
  • the thermal insulation device 13 relates to a sequence vertical cartridge 2-tap 7-injector 6-burner 9.
  • this device is applied to a right angle sequence but other solutions are possible.
  • Such a heat insulating device 13 therefore makes it possible to increase the burner power and take the miniaturization of the appliance to the extreme 1, safe for parts less resistant to heat, in particular the rubber seals of the tap 7 and the micro-valve 5 of the cartridge 2.
  • thermoregulatory system the action of one is facilitated or made possible by the action of the other.
  • the power of the suspended burner 9 is usable only because the thermally conductive device 10 maintains the gas from cartridge 2 at useful temperature and pressure; this one can increase safely the temperature and pressure of the gas only thanks to the heat insulating device 13, in which the burner 9, being suspended, cannot not overheat the elements more sensitive to the heat of the tap group 7-cartridge 2, especially when the heat of the environment makes it dangerous this kind of device.
  • thermally conductive device 10 did not exist, the major power of the 9 burner suspended or the cold of the environment would cause a fall of gas pressure and power supplied.
  • the thermally conductive 10 in the presence of the device thermally conductive 10, if the burner 9 was not suspended, but in contact with the 7-cartridge 2 tap group, as is always the case in this genre the heat transmitted by conduction would damage the seals of rubber of tap 7 and micro-valve 5 of cartridge 2.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Feeding And Controlling Fuel (AREA)
  • Cookers (AREA)
EP97830495A 1997-10-03 1997-10-03 Tragbares Heizgerät direkt befestigt an einem auswechselbaren oder nachfüllbaren Flüssiggasbehälter Withdrawn EP0907054A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP97830495A EP0907054A1 (de) 1997-10-03 1997-10-03 Tragbares Heizgerät direkt befestigt an einem auswechselbaren oder nachfüllbaren Flüssiggasbehälter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP97830495A EP0907054A1 (de) 1997-10-03 1997-10-03 Tragbares Heizgerät direkt befestigt an einem auswechselbaren oder nachfüllbaren Flüssiggasbehälter

Publications (1)

Publication Number Publication Date
EP0907054A1 true EP0907054A1 (de) 1999-04-07

Family

ID=8230800

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97830495A Withdrawn EP0907054A1 (de) 1997-10-03 1997-10-03 Tragbares Heizgerät direkt befestigt an einem auswechselbaren oder nachfüllbaren Flüssiggasbehälter

Country Status (1)

Country Link
EP (1) EP0907054A1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002034095A1 (de) * 2000-10-28 2002-05-02 Volkswagen Aktiengesellschaft Gaskocher, insbesondere für campingfahrzeuge
WO2003083368A2 (en) * 2002-03-28 2003-10-09 Bs Manufacturing Limited A Compact Stove.

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH543265A (de) * 1971-08-24 1973-10-31 Kisag Ag Gasrechaud
FR2330961A1 (fr) * 1975-11-04 1977-06-03 Applic Gaz Sa Perfectionnements aux appareils a combustion a reservoir de gaz incorpore
US4628895A (en) 1984-01-24 1986-12-16 Giovanni Santilli Kiln and autonomous heat source portable integrated unit
WO1997021961A1 (fr) * 1995-12-13 1997-06-19 Tokai Corporation Dispositif favorisant le passage en phase gazeuse pour appareil a gaz possedant une valeur de chauffage elevee

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH543265A (de) * 1971-08-24 1973-10-31 Kisag Ag Gasrechaud
FR2330961A1 (fr) * 1975-11-04 1977-06-03 Applic Gaz Sa Perfectionnements aux appareils a combustion a reservoir de gaz incorpore
US4628895A (en) 1984-01-24 1986-12-16 Giovanni Santilli Kiln and autonomous heat source portable integrated unit
WO1997021961A1 (fr) * 1995-12-13 1997-06-19 Tokai Corporation Dispositif favorisant le passage en phase gazeuse pour appareil a gaz possedant une valeur de chauffage elevee

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002034095A1 (de) * 2000-10-28 2002-05-02 Volkswagen Aktiengesellschaft Gaskocher, insbesondere für campingfahrzeuge
DE10053679A1 (de) * 2000-10-28 2002-05-08 Volkswagen Ag Gaskocher, insbesondere für Campingfahrzeuge
US6953336B2 (en) 2000-10-28 2005-10-11 Volkswagen Ag Gas stove, in particular for camper vehicles
WO2003083368A2 (en) * 2002-03-28 2003-10-09 Bs Manufacturing Limited A Compact Stove.
WO2003083368A3 (en) * 2002-03-28 2004-03-25 Bs Mfg Ltd A Compact Stove.

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