EP1134496A1 - Mit flüssigem Brennstoff betriebenes gasdichtes Heizgerät - Google Patents

Mit flüssigem Brennstoff betriebenes gasdichtes Heizgerät Download PDF

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Publication number
EP1134496A1
EP1134496A1 EP00870045A EP00870045A EP1134496A1 EP 1134496 A1 EP1134496 A1 EP 1134496A1 EP 00870045 A EP00870045 A EP 00870045A EP 00870045 A EP00870045 A EP 00870045A EP 1134496 A1 EP1134496 A1 EP 1134496A1
Authority
EP
European Patent Office
Prior art keywords
combustion
air
heater
sealed
liquid fuel
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Withdrawn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
EP00870045A
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English (en)
French (fr)
Inventor
Linard Gérard
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.)
Thermic Investments SA
Original Assignee
Thermic Investments 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 Thermic Investments SA filed Critical Thermic Investments SA
Priority to EP00870045A priority Critical patent/EP1134496A1/de
Priority to CA002340831A priority patent/CA2340831A1/en
Priority to US09/809,335 priority patent/US20010035179A1/en
Publication of EP1134496A1 publication Critical patent/EP1134496A1/de
Withdrawn legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J13/00—Fittings for chimneys or flues 
    • F23J13/02—Linings; Jackets; Casings
    • F23J13/025—Linings; Jackets; Casings composed of concentric elements, e.g. double walled
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J2211/00—Flue gas duct systems
    • F23J2211/10—Balanced flues (combining air supply and flue gas exhaust)
    • F23J2211/101—Balanced flues (combining air supply and flue gas exhaust) with coaxial duct arrangement

Definitions

  • the present invention is in the field of watertight liquid fuel heaters, in particular especially oil heaters.
  • liquid fuel heaters which may be adapted on load-bearing structures outside the house to be heated, especially on the walls exteriors of homes to be heated, while allowing a correct "draft" of the burnt gases from the combustion.
  • the double nozzle connecting the radiator or the gas heating and the outside of the room or the house to be heated is essentially horizontal and does not cause any drawdown to operate the heater.
  • a blue flame gas appliance In a blue flame gas appliance, it is injecting gas into an atmospheric burner venturi which serves as an "engine” for the suction of the oxidizing gas (air).
  • the present invention aims to provide a waterproof type heater based on the use of liquid fuel that does not require connection of exhaust gas systems to a fireplace.
  • the present invention aims to provide such heater characterized by efficiency effective, which does not pose risks of insecurity for the consumer and which does not require ventilation of the room to be heated.
  • the present invention relates to a waterproof liquid fuel heater (i.e. an oil, oil, in vegetable oil, ...) in which the means of evacuation burnt gases from the combustion of this fuel liquid, as well as the gas supply means oxidizer (air) are mounted directly on a structure exterior, such as a possibly load-bearing exterior wall or the outer roof, relative to the room or the house to be heated and without requiring a connection to a fireplace.
  • a waterproof liquid fuel heater i.e. an oil, oil, in vegetable oil, .
  • the means of evacuation burnt gases from the combustion of this fuel liquid, as well as the gas supply means oxidizer (air) are mounted directly on a structure exterior, such as a possibly load-bearing exterior wall or the outer roof, relative to the room or the house to be heated and without requiring a connection to a fireplace.
  • sealed heater means a heater that does not require means supply of oxidant gas from inside home or room to be heated, the appliance sealed heating being protected from the atmosphere of the house or the room to be heated by a double envelope ensuring total tightness.
  • the liquid fuel heater bearing the general reference mark 1 in the figures attached 1 to 3 includes a heat burner 2, a combustion chamber 3, in which the combustion air is driven through a burner pot 4.
  • the heater 1 is designed so that the injection of air into this burner pot 4 is understood in a combustion ratio of about 1 to 3, of preferably 1 to 4, compared to a heater with liquid fuel conventionally connected to a fireplace.
  • the heater of the invention is also advantageously provided with a catalyst 15 in refractory steel to stabilize the flame in the heat burner 2 of the space heater the invention.
  • the means of evacuation of burnt gases from combustion, as well as the means supply of oxidant gas (air), mounted directly on the external supporting structure 5, such as a wall outside, consist of a double nozzle for the supply oxidizing gases and the discharge of burnt gases from combustion, this double nozzle (element possibly bent as shown in FIG. 3) being advantageously consisting of two cylinders 6, 7, preferably fitted one inside the other (or possibly parallel to each other the other), the inner cylinder 6 allowing the evacuation burnt gases from combustion and the annular space between the inner cylinder 6 and the outer cylinder 7 allowing the supply of oxidizing gas (air) intended for combustion in the heater 1.
  • the terminal part of this structure cylindrical is advantageously covered by a suction cup 8 fixed on the outer bearing structure 5, allowing avoid the formation of disturbances and vortices possibly caused by the wind projected towards said supporting structure 5.
  • This suction cup 8 is designed and arranged on the outer bearing structure 5, so as to allow that the end 9 of the inner cylindrical tube 6 extends beyond with respect to the external supporting structure 5, but also overflows from end 10 of the second outer cylinder 7, as illustrated in FIG. 3.
  • the heater also includes a liquid fuel supply device 11, dispersed by natural gravitation or brought to the combustion chamber 3 by any injection or other device, the heating comprising a flow regulator 12, provided possibly an overflow safety device 13.
  • Adjusting the combustion power of the heater of the invention is carried out by the user depending on the position of a joystick command or thermostatic activator.
  • the combustion air is entrained at the level of the pot burner 4 through a series of perforations 14 through the drawing of fuel gas evacuation devices burned, more precisely by the difference in weight between a column of unitary combustion air sections and a column section unit burnt gases from the combustion.
  • This configuration also allows efficient draft of burnt gases from combustion.
  • the kinetic energy available for injection is around 1/3 of what it is in a classic system connected to a chimney.
  • the energy (1/3 of ⁇ v 2 ) is proportional to the square of the speed and the density. Therefore, it is necessary to inject the same volume of oxidant gas (incoming air) per unit of time (if we admit that the density has changed only slightly), the injection speed of the sealed device is around 1 / 3 of what it is in a conventional heater. Consequently, the burner pot 4 of the heater of the invention is modified so that the overall section of all the injectors of the burner pot is increased by a ratio of approximately the square root of 3, or by approximately 1.7 compared to a conventional appliance (with chimney connection) comparable.
  • the speed is modified and, by a modification of the burners according to the invention, a balance is observed allowing efficient combustion .
  • This avoids the destabilization of the flame, as well as the formation of combustion derivatives which can cause the formation of dust and the deposit of soot.
  • the burner pot 4 of the invention has been modified by the formation of a distribution of a perforation of different size, such as large perforations next to small perforations, possibly alternately, or a succession of small perforations alternately in the lowest stage of the burner pot 4.
  • the aforementioned mathematical data are designed for a reference of 8 feet in height of a waterproof heater.
  • the characteristics of the device heating elements of the invention can be adapted to other conditions based on teaching the present description by the skilled person.
  • the waterproof heater of the invention is also characterized by high efficiency guaranteeing a low production of CO gas, by particular below the limits of European standards and Canadian (EN1 European and B140.3 standards Canadian).

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Evaporation-Type Combustion Burners (AREA)
EP00870045A 2000-03-15 2000-03-15 Mit flüssigem Brennstoff betriebenes gasdichtes Heizgerät Withdrawn EP1134496A1 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP00870045A EP1134496A1 (de) 2000-03-15 2000-03-15 Mit flüssigem Brennstoff betriebenes gasdichtes Heizgerät
CA002340831A CA2340831A1 (en) 2000-03-15 2001-03-14 Liquid-fuel leaktight heating appliance
US09/809,335 US20010035179A1 (en) 2000-03-15 2001-03-15 Liquid-fuel leaktight heating appliance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP00870045A EP1134496A1 (de) 2000-03-15 2000-03-15 Mit flüssigem Brennstoff betriebenes gasdichtes Heizgerät

Publications (1)

Publication Number Publication Date
EP1134496A1 true EP1134496A1 (de) 2001-09-19

Family

ID=8175717

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00870045A Withdrawn EP1134496A1 (de) 2000-03-15 2000-03-15 Mit flüssigem Brennstoff betriebenes gasdichtes Heizgerät

Country Status (3)

Country Link
US (1) US20010035179A1 (de)
EP (1) EP1134496A1 (de)
CA (1) CA2340831A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1489357A1 (de) * 2003-06-20 2004-12-22 Thermic Investments S.A. Fernbedienbares, mit flüssigem Brennstoff betriebenes Heizgerät

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3105432A (en) * 1959-05-15 1963-10-01 Chattanooga Royal Company Venting and air intake system for heaters
EP0171504A2 (de) * 1984-08-09 1986-02-19 State Industries, Inc. Wassererhitzer und Verfahren zum Erhitzen von Wasser
EP0190394A2 (de) * 1984-09-18 1986-08-13 Robert Bosch Gmbh Installationseinheit mit einem Abgasrohr und einem Frischluftrohr
GB2308440A (en) * 1995-11-17 1997-06-25 Glynwed Consumer Prod Ltd Balanced flue
WO1997049952A1 (de) * 1996-06-25 1997-12-31 Koehne Heinrich Verfahren und konstruktion eines brenners zur oberflächenverbrennung für flüssige brennstoffe

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3105432A (en) * 1959-05-15 1963-10-01 Chattanooga Royal Company Venting and air intake system for heaters
EP0171504A2 (de) * 1984-08-09 1986-02-19 State Industries, Inc. Wassererhitzer und Verfahren zum Erhitzen von Wasser
EP0190394A2 (de) * 1984-09-18 1986-08-13 Robert Bosch Gmbh Installationseinheit mit einem Abgasrohr und einem Frischluftrohr
GB2308440A (en) * 1995-11-17 1997-06-25 Glynwed Consumer Prod Ltd Balanced flue
WO1997049952A1 (de) * 1996-06-25 1997-12-31 Koehne Heinrich Verfahren und konstruktion eines brenners zur oberflächenverbrennung für flüssige brennstoffe

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1489357A1 (de) * 2003-06-20 2004-12-22 Thermic Investments S.A. Fernbedienbares, mit flüssigem Brennstoff betriebenes Heizgerät
WO2004113793A1 (fr) * 2003-06-20 2004-12-29 Thermic Investments S.A. Appareil de chauffage a combustible liquide et telecommande

Also Published As

Publication number Publication date
US20010035179A1 (en) 2001-11-01
CA2340831A1 (en) 2001-09-15

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