EP3299715B1 - Brenngefäss für einen flüssigen brennstoff - Google Patents

Brenngefäss für einen flüssigen brennstoff Download PDF

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Publication number
EP3299715B1
EP3299715B1 EP17192952.4A EP17192952A EP3299715B1 EP 3299715 B1 EP3299715 B1 EP 3299715B1 EP 17192952 A EP17192952 A EP 17192952A EP 3299715 B1 EP3299715 B1 EP 3299715B1
Authority
EP
European Patent Office
Prior art keywords
wick
cylindrical
fuel container
cap
vessel according
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.)
Active
Application number
EP17192952.4A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3299715A1 (de
Inventor
Martin BIRMELIN
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.)
CERION WACHSWAREN GmbH
Original Assignee
Cerion Wachswaren GmbH
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 Cerion Wachswaren GmbH filed Critical Cerion Wachswaren GmbH
Publication of EP3299715A1 publication Critical patent/EP3299715A1/de
Application granted granted Critical
Publication of EP3299715B1 publication Critical patent/EP3299715B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D3/00—Burners using capillary action
    • F23D3/02—Wick burners
    • F23D3/18—Details of wick burners
    • F23D3/24—Carriers for wicks
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11C—FATTY ACIDS FROM FATS, OILS OR WAXES; CANDLES; FATS, OILS OR FATTY ACIDS BY CHEMICAL MODIFICATION OF FATS, OILS, OR FATTY ACIDS OBTAINED THEREFROM
    • C11C5/00—Candles
    • C11C5/008—Candles characterised by their form; Composite candles, e.g. candles containing zones of different composition, inclusions, or the like
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V37/00—Details of lighting devices employing combustion as light source, not otherwise provided for
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D2206/00—Burners for specific applications
    • F23D2206/0057—Liquid fuel burners adapted for use in illumination and heating
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D2900/00—Special features of, or arrangements for burners using fluid fuels or solid fuels suspended in a carrier gas
    • F23D2900/31001—Wick burners without flame spreaders or burner hood
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D2900/00—Special features of, or arrangements for burners using fluid fuels or solid fuels suspended in a carrier gas
    • F23D2900/31014—Wick stop devices and wick fixing devices

Definitions

  • the present invention relates to a firing vessel for a liquid fuel, and more particularly to a firing vessel suitable as a candle replica or for use in candle-shaped candlesticks, which can be filled or filled with a liquid fuel.
  • a candle replica comprising a firing vessel filled with liquid wax.
  • the firing vessel consists of a closed at the bottom of a cylindrical tube having a conical or straight at the top outwardly or inwardly extending conclusion in which centrally a wick guide, in particular a wick guide tube is arranged with retracted and extending into the liquid wax wick.
  • a wick guide in particular a wick guide tube is arranged with retracted and extending into the liquid wax wick.
  • Such a firing vessel can be used for example in a white, transparent plastic tube, which has a holder for use of the combustion vessel in the interior.
  • openings in the area of the wick guide are coated with a layer of hard wax or with a plastic film to seal against the leakage of the liquid fuel.
  • candle dummies are for example from the writings DE 9212537 U1 . DE 10 2007 058 639 B4 . DE 36 00 608 A1 . US 2012/276489 A1 . DE 297 02 262 U1 . US 6,159,002 A , and DE 20 2005 000964 U1 known.
  • Embodiments of the invention provide a combustor having a cylindrical fuel container for receiving a liquid fuel, the cylindrical fuel container being open at one axial end and a wick cap inserted into the open end of the cylindrical fuel container, the wick cap tapering upwardly Section, wherein a circumferential wall of the cylindrical fuel container protrudes upward via a lower end, the upwardly tapering portion.
  • the firing vessel can be kept clean.
  • the wick cap is removably inserted into the open end of the cylindrical fuel container so that the wick cap can be removed and refilled to refill the fuel container.
  • the firing vessel can be used multiple times.
  • the wicking cap below the upwardly tapered portion has a cylindrical portion which is inserted into the cylindrical container, wherein between the wall of the cylindrical container and the cylindrical portion, a fluid passage is formed, which has an interior of the cylindrical container with a portion between the projecting circumferential wall and the upwardly tapering portion of the wick cap fluidly connects.
  • Embodiments thus allow liquid fuel which accumulates in this region to be recycled through the fluid passage into the interior of the cylindrical fuel container.
  • such a fluid passage may be easily formed by flattening in an outer surface of the cylindrical portion of the wick cap.
  • the wick cap has a vent opening fluidly communicating the interior of the cylindrical fuel container with the environment, the vent opening being located above an upper end of the peripheral wall of the cylindrical container. It has been found that by providing a corresponding vent opening for a more uniform combustion behavior can be achieved and on the other a backflow of liquid fuel through the fluid passage between the cylindrical fuel container and the cylindrical portion of the wick cap is possible.
  • dimensions of the fluid passage and / or the vent opening are so tuned to the viscosity of the liquid fuel that at room temperature, the liquid fuel does not pass through the fluid passage and / or the vent opening due to its viscosity, if the fuel container is not in its for a short time is upright operating position, for example, when lighting the combustion vessel.
  • an additional sealing of the combustion vessel is not provided.
  • the upwardly tapered portion of the wick cap opens into a cylindrical wick guide portion of the wicket, the cylindrical wick guide portion having a wick guide channel with an upper wick opening, the vent opening being spaced from the wick opening.
  • a multiwoven wick is inserted into the cylindrical wick guide section with a wick loop projecting upwardly from the wick opening and at least a lower end of the wick disposed in the liquid fuel.
  • the cylindrical wick guide section may have a radially outwardly projecting ring at an upper end thereof to facilitate machine removal of the wick cap from the cylindrical fuel container.
  • the inner surface of the cylinder shell of the cylindrical fuel container has inwardly in the region of the open end inwardly extending projections, through which a clamping connection with the wick cap is effected.
  • the projections may be formed by at least one ring or a plurality of rings arranged one below the other.
  • the rings may be circumferential or may have breaks.
  • the projections may be formed by nubs.
  • a stop is formed on an inner surface of the cylinder jacket of the cylindrical fuel container, to which the wick cap can be introduced into the cylindrical fuel container.
  • the position of the wick cap can be set to the cylindrical fuel container in a simple manner.
  • the cylindrical fuel container may have an intermediate bottom, wherein a portion of the cylindrical fuel container above the false bottom is filled with the liquid fuel.
  • Embodiments of the present invention relate in particular to firing vessels or candle dummies which are suitable for liquid fuels with increased viscosity.
  • liquid fuels for firing vessels in particular those in the form of dummy candles, liquid waxes and / or liquid paraffins were used which have a viscosity well below a limit of 20.5 mm 2 / sec at 40 ° C.
  • Such low-viscosity fuels are subject to a special labeling requirement due to the aspiration hazard.
  • the use of higher viscous fuels could avoid such a labeling requirement.
  • the fuel container (the candle cover) can be used multiple times without elaborate cleaning.
  • the wick can be introduced together with the wick holder as quickly as possible in the fuel tank, which at the same time quick closing of the cylindrical fuel container, ie the candle cover allows.
  • the firing vessel (the candle) is leak proof both during transport and use and is designed to prevent leakage of fuel in liquid form.
  • liquid fuel still collects adjacent to the wick loop, it will prevent it from flowing down the outside of the fuel container (the candle wrapper) and creating a greasy film.
  • embodiments have a device which returns the fuel to the interior of the candle.
  • Fig. 1 shows a firing vessel in the form of a liquid fuel candle in an upright operating position.
  • Under operating position is considered the position in which the combustion vessel is located while it is burning.
  • the candle shown has a cylindrical fuel container 10 and a wick cap 12, which is inserted into an open upper end 14 of the cylindrical fuel container 10.
  • the configuration of the wick cap 12 will be described below with reference to FIGS Fig. 3a-3c explained in more detail.
  • the wick cap is a wick holder that serves to hold a wick 16 such that at least a lower end thereof protrudes into a liquid fuel in the cylindrical fuel container 10. Further, the wick cap 12 serves to form a closure for the open top 14 of the cylindrical fuel container 10.
  • the wick 16 may be a multiwoven wick, with a wick loop 16a of this multiwoven wick projecting upwardly from the wick opening in the wick cap 12 and at least a lower end of the wick disposed in the liquid fuel.
  • the lower end can be arranged in such a way in the cylindrical fuel tank 10 that it reaches to the bottom of the fuel tank 10.
  • the cylindrical fuel container may have an intermediate bottom to reduce the fuel volume in the cylindrical one Limit fuel container, for example, if the cylindrical fuel container has a long narrow shape.
  • FIG Fig. 2 A schematic cross-sectional view of an embodiment of the cylindrical fuel container 10 is shown in FIG Fig. 2 shown.
  • the cylindrical fuel container has a longitudinal axis LA and the open upper end 14 represents an axial end of the cylindrical fuel container 10.
  • the cylindrical fuel container 10 further has a second axial lower end 20.
  • the cylindrical fuel container 10 has an intermediate bottom 22, so that the lower end 20 is open. In alternative embodiments, the lower end 20 may be closed.
  • the upper interior 24 of the cylindrical fuel container may be filled with a liquid fuel, for example, liquid wax or paraffin.
  • the inner circumferential surface of the cylindrical fuel container 10 has one or more stops 26. Furthermore, the inner circumferential surface has projections 28 in the form of a plurality of mutually arranged rings.
  • the cylindrical fuel container 10 may be formed by a polymer cylinder having a constant outer diameter. In alternative embodiments, the cylindrical fuel container may be formed by another material, such as drawn aluminum. The implementation of the cylindrical fuel container by a polymer cylinder without diameter taper allows easy filling and a simple insertion of the wick into the combustion vessel.
  • the wick cap 12 has an upwardly tapered portion 30 which causes a taper of a lower cylindrical portion 32 to an upper cylindrical portion 34.
  • the underside 36 of the wick cap is open and has a peripheral lower edge 36a.
  • the upper cylindrical portion 34 is a wick guide portion which defines a wick guide channel 38 having an upper wick opening 40.
  • At the upper end of the cylindrical portion 34 has a flange 42 radially outwardly projecting ring.
  • the ring 42 may have a smooth bottom surface to assist in manually or mechanically gripping the wicket on the ring 42.
  • an outer surface of at least the cylindrical portion 32 has a flat 44.
  • two flats may be provided on opposite sides of the open surface of the cylindrical portion 32.
  • the wick cap 12 also has a vent opening 46.
  • the wick cap 12 is rotationally symmetrical with the exception of the flats and the vent opening.
  • a center axis MA of the wick cap and the longitudinal axis of the fuel container 10 may be coaxially arranged.
  • the inner surface of the wick cap 12 has a concave portion at the transition from the cylindrical portion 32 to the upwardly tapering portion 30 and a convex portion at the transition from the upwardly tapering portion 30 to the cylindrical portion 34.
  • a multi-plaited wick can be threaded into the wick cap 12 from the inside, that is, from the underside 36.
  • the wick is in the Fig. 3a to 3c and 4 not shown.
  • the conical configuration of the wick cap 12 can facilitate this process.
  • the wicking cap may be made of a material of low thermal conductivity so as to ensure a sufficiently high temperature at the wicking loop to allow vaporization of the rising liquid fuel.
  • metals with low thermal conductivity for example ⁇ 200 w / mK
  • heat-resistant plastics with a high filler content may be suitable as materials.
  • the wick cap can be made of zinc, aluminum or iron.
  • the dimensions of the cylindrical wick guide section 38 are adapted to the wick used so that it can be stably fixed in the wick cap and a wick loop 16a (FIG. Fig. 1 ) protrudes from the upper end 40 of the wick cap 12.
  • the corresponding wicked wick cap may be inserted into the filled cylindrical fuel container 10, providing a mechanically tight, leak-proof clamping connection between the cylindrical fuel container 10 and the wicket 12 by interference fit.
  • This clamp connection for example, by the in Fig. 2 shown circumferential rings 28 can be effected.
  • circumferential rings broken rings or nubs through which the clamping effect is achieved.
  • wick cap 12 Upon insertion of the wick cap 12, the lower edge 36a of the wick cap 12 strikes the protrusions 26 so that a predetermined positional relationship between the cylindrical fuel container 10 and the wick cap 12 is achieved.
  • Fig. 4 shows the upper end of the cylindrical fuel container 10, in which the wick cap 12 is inserted, but for reasons of clarity, the wick in Fig. 4 not shown.
  • the lower edge 36a sits on the projections 26.
  • the circumferential wall 50 of the cylindrical fuel container 10 projects upwardly beyond a lower end 30a of the upwardly tapering portion 30.
  • a fluid region 52 is defined between the outer surface of the tapered portion 30 and the inner surface of the circumferential wall 50, in which liquid fuel, which passes for example via the opening 40 on the outside of the wick cap, can be collected.
  • a fluid passage is provided between the inner surface of the cylindrical fuel container 10 and the outer surface of the cylindrical portion 32 of the wick cap 12 , In embodiments, this fluid passage is through the in the Fig. 3a and 3c flattening 44 implemented. In alternative embodiments, a bulge could be provided in the inner surface of the cylindrical fuel container 10. It goes without saying that the protrusions 26 are provided so as not to close the fluid passage. Further, there is no need for further explanation that the protrusions, through which the interference fit between the wick cap and the cylindrical fuel container is achieved, are provided so as not to close the fluid passage.
  • the wick arranged in the wick guide section 38 protrudes into the interior 24 of the cylindrical fuel container 10, preferably as far as a bottom of this interior space. This makes it possible over the Wick to convey the entire located in the interior 24 fuel to the opening 44 projecting wick loop and burn there.
  • wick cap 12 The clamping connection between wick cap 12 and cylindrical fuel container 10 can be solved after use of the combustion vessel (the liquid fuel candle).
  • the cylindrical fuel container can then be refilled.
  • embodiments of the invention allow for reuse of the cylindrical fuel container.
  • the wick cap with the inserted wick can be used several times.
  • vertical fluid passages are incorporated in the wick cap, for example by one or more flats 44, as discussed above with reference to FIGS Fig. 3a and 3c have been described.
  • Such fluid passages which fluidly connect in the interior of the cylindrical container with an area above the upwardly tapering portion 30 of the wick cap 12, on the one hand serve as pressure equalization openings, which prevent the formation of a negative pressure in the interior of the cylindrical fuel container during the firing process would make the transport of the fuel more difficult.
  • the fluid passages by design, at the same time allow the return of fuel fluid, if this should not evaporate during the firing process at the wick loop.
  • the wick cap has the upwardly tapering portion 30 and the cylindrical wick guide portion 34.
  • the cylindrical wick guide section 34 an extension of the wick guide can be achieved, by which in turn a sufficient distance of the wick to the fluid passages can be ensured, so that the wick, which is saturated with the liquid fuel, can not block the fluid passages. This ensures a steady pressure equalization during transport, storage and firing.
  • the fluid passages extend vertically from the underside of the wick cap at least to the upper end of the cylindrical portion 32, ie, to the lower end of the upwardly tapering portion 30. If such a fluid passage or passages filled with liquid fuel, it may be possible that this no longer flows into the interior.
  • one or more additional vents 46 may be provided. As shown, these vent openings may be spaced apart from the wick opening 40 to prevent the vent from being blocked by the wick. Furthermore, as in particular in Fig. 4 shown, the vent opening 46 may be disposed above an upper end of the peripheral wall 50 of the cylindrical container 10 to prevent the vent opening 46 is blocked when liquid fuel in the fluid region 52 between the peripheral wall 50 and the upwards tapered portion 30 of the wicket 12 is located.
  • Embodiments of the invention allow the use of a variety of different fuels and wicking materials, with individual structural features adapted to different fuels and wicking materials, respectively.
  • the dimensions of the described fluid passages and vents may be adjusted to the viscosity of the liquid fuel to prevent liquid fuel from passing through these openings at room temperature.
  • heating of the liquid fuel in contact with the wick cap may take place so that its viscosity is reduced and it can pass through the fluid passage (s) into the interior of the cylindrical fuel container.
  • the fuel, wick material, wick construction, and materials of the wicket and fuel container are selected such that continuous transport through the wick to the wicking loop can be achieved by the viscosity and surface tension of the fuel, and sufficiently high temperature at the wicking loop during combustion ensures that the fuel is completely evaporated and can react evenly with the atmospheric oxygen in the flame.
  • the fluid passage has such dimensions adapted to the viscosity of the liquid fuel that at room temperature the liquid fuel does not pass through the fluid passage due to its viscosity when the firing vessel is not in the upright operating position for a short time, for example 30 seconds or less located.
  • the firing vessel may be possible for liquid fuel to exit via the wick if no additional sealing is provided. In such a case, store the firing vessel in the upright operating position when it is filled with the liquid fuel.
  • the fuel container is filled or filled with a liquid fuel.
  • the liquid fuel is paraffin.
  • the liquid fuel is liquid wax.
  • the liquid fuel is viscous, which may be understood to mean viscous herein, a viscosity of more than 20.5 mm 2 / sec at 40 ° C.
  • a uniformly burning liquid fuel candle may be implemented wherein the exterior of the cylindrical fuel container may remain substantially free of liquid fuel.
  • the combustion vessel is a liquid fuel candle or liquid fuel candle dummy.
  • the cylindrical fuel container has an elongate cylindrical shape whose length is more than twice or five times greater than the diameter thereof.
  • the wicket also has a cylindrical shape of variable diameter.
  • the cylindrical fuel container and the wick cap are arranged coaxially with each other.
  • a wick opening through which a wick protrudes is centrally located on the axes of the cylindrical bodies.
  • a wick loop protrudes through the wick opening.
  • a simple wick end (no loop) protrudes through the wick opening.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Composite Materials (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Wick-Type Burners And Burners With Porous Materials (AREA)
EP17192952.4A 2016-09-26 2017-09-25 Brenngefäss für einen flüssigen brennstoff Active EP3299715B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102016218471.7A DE102016218471B4 (de) 2016-09-26 2016-09-26 Brenngefäß für einen flüssigen Brennstoff

Publications (2)

Publication Number Publication Date
EP3299715A1 EP3299715A1 (de) 2018-03-28
EP3299715B1 true EP3299715B1 (de) 2019-04-17

Family

ID=59969014

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17192952.4A Active EP3299715B1 (de) 2016-09-26 2017-09-25 Brenngefäss für einen flüssigen brennstoff

Country Status (3)

Country Link
EP (1) EP3299715B1 (hu)
DE (1) DE102016218471B4 (hu)
HU (1) HUE044278T2 (hu)

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3432779C2 (de) 1984-09-06 1994-11-17 Robert Weglarz Nicht elektrische Leuchte in Kerzenform
DE3618309A1 (de) * 1985-05-31 1986-12-18 Wai-Shi North Point Kwok Kerzen
DE3600608A1 (de) 1986-01-11 1987-07-16 Jun Hermann Birmelin Als kerzennachbildung oder zum einsatz in kerzenfoermige leuchtkoerper dienendes, mit fluessigwachs gefuelltes brenngefaess
DE9212537U1 (hu) 1992-09-17 1992-11-19 Schneeberger, Marc, 7800 Freiburg, De
DE29702262U1 (de) 1997-02-11 1997-04-03 Kox Hans Dieter Opferlicht zum Aufstellen in Kirchen, Gedenkstätten o.dgl.
US6159002A (en) * 2000-05-05 2000-12-12 Lamplight Farms, Inc. Oil candle having an oil seal
DE202005000964U1 (de) * 2005-01-21 2005-03-24 Kox Hans Dieter Kerzenattrappe
DE102007058639B4 (de) 2007-12-05 2010-05-12 Cerion Gmbh Wachswarenhandel Kerzenattrappe sowie Verfahren zu deren Herstellung
US20100112504A1 (en) * 2008-11-06 2010-05-06 Lamplight Farms Incorporated Oil cartridge burner assembly
US20120276489A1 (en) * 2011-04-28 2012-11-01 Yihong Fang Oil lamp structure

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
EP3299715A1 (de) 2018-03-28
DE102016218471B4 (de) 2018-10-31
HUE044278T2 (hu) 2019-10-28
DE102016218471A1 (de) 2018-03-29

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