EP1907757A1 - Commande pour brûleur de réchaud extérieur - Google Patents

Commande pour brûleur de réchaud extérieur

Info

Publication number
EP1907757A1
EP1907757A1 EP06758033A EP06758033A EP1907757A1 EP 1907757 A1 EP1907757 A1 EP 1907757A1 EP 06758033 A EP06758033 A EP 06758033A EP 06758033 A EP06758033 A EP 06758033A EP 1907757 A1 EP1907757 A1 EP 1907757A1
Authority
EP
European Patent Office
Prior art keywords
valve
fuel
valve body
burner
valve housing
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Withdrawn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
EP06758033A
Other languages
German (de)
English (en)
Other versions
EP1907757A4 (fr
Inventor
Joel Svedlund
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.)
Optimus International AB
Original Assignee
Optimus International AB
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 Optimus International AB filed Critical Optimus International AB
Publication of EP1907757A1 publication Critical patent/EP1907757A1/fr
Publication of EP1907757A4 publication Critical patent/EP1907757A4/fr
Withdrawn legal-status Critical Current

Links

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
    • F24C5/00—Stoves or ranges for liquid fuels
    • F24C5/02—Stoves or ranges for liquid fuels with evaporation burners, e.g. dish type
    • 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
    • F24C3/12—Arrangement or mounting of control or safety devices
    • F24C3/126—Arrangement or mounting of control or safety devices on ranges

Definitions

  • This invention relates to a valve control arrangement in a burner for an outdoor stove.
  • the invention also relates to an outdoor stove having such a valve control arrangement and further relates to a valve body for an outdoor stove burner.
  • Portable outdoor stoves need to be small and lightweight in order to not to use up excessive space and weight together with other outdoor equipment to be carried for example in a backpack.
  • the fuel control handle on outdoor stoves also must be placed at a location away from the flames and hot portions of the stove burner.
  • An object of the invention is to address the above mentioned requirements and provide an improved outdoor stove that is capable of being both more lightweight and safely controlled.
  • a valve control arrangement in the outdoor stove burner has a valve housing and a valve body rotatably supported in the valve housing.
  • a fuel hose is connected to the valve body for communicating fuel from a fuel supply through the valve body and into the valve housing.
  • the fuel hose is also capable of being rotated for rotating the valve body in the valve housing to thereby control a fuel flow to the burner.
  • a valve body is adapted to be supported rotatably about an axis in a valve housing of an outdoor stove burner and is capable of controlling a fuel flow to the burner by being rotated in the valve housing.
  • the valve body comprises a valving portion for closing and opening a fuel outlet from the valve housing to the burner.
  • the valve body also comprises a fuel inlet in line with said axis for communicating fuel through the valve body and into the valve housing and connectable to a fuel supply hose capable of being rotated for rotating the valve body in the valve housing to thereby control the fuel flow to the burner.
  • a separate control mechanism in engagement with the valve body will be superfluous, and the user can safely control the fuel flow at a secure distance from the burner by grasping and rotating the end portion of the fuel hose that is adjacent to the fuel supply.
  • the end portion of the hose may be conveniently provided with a control handle such as a turning knob.
  • FIG. 1 is a section view of a burner for an outdoor stove having a valve control arrangement according to the invention
  • FIG. 2 is a diagrammatic view corresponding to FIG. 1 of a burner connected to a fuel tank
  • FIG. 3 is a perspective view showing a complete outdoor stove according to the invention.
  • the burner 10 in FIG. 1 for an outdoor stove shown is comprised of a burner housing 12 formed integrally with a valve housing 22 of a valve generally referenced by numeral 20.
  • the burner 10 is made of a good heat conducting material such as brass in order to be quickly heated in operation and efficiently evaporate liquid fuel passing through valve 20 and into burner 10.
  • the valve housing 22 is extended by a sleeve 30 of a less heat conducting material such as stainless steel.
  • a forward end section of sleeve 30 is received in and soldered to a widened end section 26 of a valve bore 24 in the valve housing 22.
  • valve body or spindle 40 of the needle-valve type is received rotationally supported in the axial passage formed by sleeve 30 and valve bore 24.
  • An approximately funnel-shaped or double-conical front end valving portion 42 of valve body 40 extends into a complementary shaped orifice or fuel outlet 14 connecting valve bore 24 to an evaporation chamber 16 in the burner housing 12.
  • Other shapes of the valving portion are, however evident to a skilled person in the art.
  • the walls of bore 24 and valve body 40 are in engagement by respective helical threads 26, 44 in a manner to axially displace valve body 40 on rotation thereof about an axis 57 and to thereby control the extent of the opening or closing of valve 20 to the burner 10.
  • valve body 40 An elongate recess or flattened surface 46 on valve body 40 will allow flow of fuel past the threads 26, 44. While in the disclosed preferred embodiment, the rotatable valve body 40 is an axially displaceable valve body, the rotatable valve body may as well be a rotatable valve body that controls the extent of opening or closing of the valve, for example solely by its rotational movement (not shown).
  • valve body 40 Near an opposite rear end section 48, valve body 40 has an external sealing portion 50 received in a widened end portion 34 of sleeve 30.
  • the sealing portion 50 comprises a pair of annular recesses defined between three adjacent radial flanges 52.
  • O-rings 54 in the respective recesses sealingly close the valve body 40 to the end portion 34 of sleeve 30.
  • a nut 60 made of a good heat conducting material such as aluminum and provided with external cooling flanges 62 is threaded onto the widened end portion 34 of sleeve 30.
  • Nut 60 also has an annular rear end inner flange 64 for limiting a backward movement of the valve body 40 by engagement with the rear radial flange 52 thereof.
  • valve body 40 also has a fuel inlet comprising an axial inlet bore 56 for communicating liquid fuel into the valve 20 from a fuel supply comprising a fuel tank or container 90 (FIG. 2, 3) via a fuel supply hose 70.
  • Inlet bore 56 extends past the sealing portion 50 and has a transverse opening 58 entering into the interior space of the valve 20 that is defined between valve body 40 and the respective bores 24, 32 of valve housing 22 and sleeve 30.
  • one end of fuel hose 70 is non-rotatably connected to the rear end section of valve body 40, and the other end of hose 70 is rotatably connected to an outlet opening 92 of the fuel container 90.
  • the hose 70 can be rotated manually by a user to rotate the valve body 40 in the valve housing 22 in order to control the rate of fuel flow into the burner 10.
  • the flexible fuel hose 70 may be of a common type having an inner tube 72 of PTFE surrounded by a protective braiding 74 of steel wire.
  • the braiding 74 is secured to the ends of the hose 70 such as by a respective clamping sleeve 76 (only one shown in FIG. 2), the hose will be torsionally stiff and thereby capable of positively transmitting rotational movement to the valve body 40.
  • Clamping sleeve 76 also secures the inner tube 72 of hose 70 to the rear end portion 48 of the valve body 40.
  • a portion of the outer surface of the valve body rear end section may also have rifles 59 to enhance the transferable torsional force from hose 70 to valve body 40.
  • a rotatable connection to the outlet opening 92 may be conceived in many ways, in the embodiment diagrammatically shown partly in phantom in FIG. 2, the other end (not shown) of the hose 70 is secured by the above mentioned clamping sleeve (not shown) to a male fuel inlet quick coupling nipple 78 that is rotatably supported in an outlet opening formed by a female quick coupling nipple 92 attached to a pump unit 94 (see also FIG. 3) of a fuel bottle 90.
  • a pump unit having a female quick coupling is known as Part No. 9030V from Optimus International AB, Sweden.
  • a control handle in the shape of a turning control knob 80 (FIG. 2, 3) is concentrically secured around the hose 70 to be conveniently grasped between a user's thumb and index finger for rotating the hose 70 when controlling the fuel flow to the burner 10.
  • the fuel hose 70 is rotatable relative to the fuel tank 90
  • the fuel hose may alternatively be non-rotatably connected to the fuel tank, as indicated in phantom in FIG. 3.
  • the control knob 80 is replaced by a screw cap for the fuel tank 90 and connected to the hose 70.
  • the screw cap can be replaced by a quick coupling.
  • the fuel tank 90 for example a rotationally symmetric flask, can then be rotated for example by being rolled on the ground to rotate the hose 70 and thereby the valve body 40.

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)

Abstract

La présente invention concerne un dispositif de commande de soupape pour un brûleur de réchaud extérieur (10). Le réchaud possède un logement de soupape et un corps de soupape (40) supporté en rotation dans le logement de la soupape. Un tuyau à combustible (70) est branché au corps de la soupape (40) pour permettre au combustible de passer d'une source de combustible (90) au travers du corps de la soupape et dans le logement de la soupape. Le tuyau à combustible (70) peut tourner pour faire tourner le corps de la soupape (40) dans le logement de la soupape et ainsi commander le débit de combustible vers le réchaud (10).
EP06758033A 2005-07-08 2006-07-06 Commande pour brûleur de réchaud extérieur Withdrawn EP1907757A4 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/177,560 US20070006868A1 (en) 2005-07-08 2005-07-08 Outdoor stove burner control
PCT/SE2006/000848 WO2007008149A1 (fr) 2005-07-08 2006-07-06 Commande pour brûleur de réchaud extérieur

Publications (2)

Publication Number Publication Date
EP1907757A1 true EP1907757A1 (fr) 2008-04-09
EP1907757A4 EP1907757A4 (fr) 2012-02-15

Family

ID=37617185

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06758033A Withdrawn EP1907757A4 (fr) 2005-07-08 2006-07-06 Commande pour brûleur de réchaud extérieur

Country Status (3)

Country Link
US (1) US20070006868A1 (fr)
EP (1) EP1907757A4 (fr)
WO (1) WO2007008149A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD683999S1 (en) * 2011-06-24 2013-06-11 Primus Ab Portable stove
USD680799S1 (en) * 2011-11-17 2013-04-30 Kiosky Chung Gas stove
KR101292112B1 (ko) 2013-03-26 2013-08-08 주식회사 코베아 호스 버너
EP2803912B1 (fr) * 2013-05-14 2021-08-11 Fenix Outdoor AB Cuisinière portable
EP2942566A1 (fr) * 2014-05-05 2015-11-11 Fenix Outdoor AB Réchaud portable
USD898183S1 (en) * 2017-02-04 2020-10-06 Dongsheng Zhou Mesh structure for a gas burner
USD911092S1 (en) * 2019-01-25 2021-02-23 Jianming Zhang Outdoor stove

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3900281A (en) * 1973-04-20 1975-08-19 Harvey Larry Penberthy Backpacker's stove
US4022422A (en) * 1976-02-19 1977-05-10 The United States Of America As Represented By The Secretary Of The Navy Stemless bantam valve
US4092974A (en) * 1976-07-12 1978-06-06 International Business Development Company Pocket camp stove
US5370527A (en) * 1992-10-28 1994-12-06 The Coleman Company, Inc. Fuel tube for burner assembly with remote fuel tank
US5983883A (en) * 1996-12-10 1999-11-16 Moulder; Charles R. Mounting apparatus for portable stoves

Also Published As

Publication number Publication date
EP1907757A4 (fr) 2012-02-15
US20070006868A1 (en) 2007-01-11
WO2007008149A1 (fr) 2007-01-18

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Ipc: F24C 1/16 20060101AFI20120112BHEP

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Effective date: 20120201