US3651596A - Fuel element, in particular for grilling and smoking food - Google Patents

Fuel element, in particular for grilling and smoking food Download PDF

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US3651596A
US3651596A US799030A US3651596DA US3651596A US 3651596 A US3651596 A US 3651596A US 799030 A US799030 A US 799030A US 3651596D A US3651596D A US 3651596DA US 3651596 A US3651596 A US 3651596A
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fuel
fuel element
casing
glass fiber
accordance
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US799030A
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John Harry Orsing
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    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
    • C10L5/00—Solid fuels
    • C10L5/40—Solid fuels essentially based on materials of non-mineral origin
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E50/00—Technologies for the production of fuel of non-fossil origin
    • Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel

Definitions

  • the present invention relates to a fuel element, in particular for grilling and smoking, and aims at producing a fuel element of that kind which is easier to handle and use than ordinary crushed charcoal, which is the most common fuel used in outdoor grills and open hearths.
  • the fuel element according to the invention is also easier to use than wood cuttings or sawdust, which are used for smoking food and makes the grilling or smoking simpler and more comfortable than crushed charcoal or other kinds of fuel.
  • the invention provides a fuel element of the kind described above which ischaracterized in that a fuel quantity is enclosed in a housing in the nature of apackage to be discarded after use and consisting essentially of refractory material and being sufficiently tight to retain the fuel quantity before, during and after combustion as well as combustion residues, if any, enclosed in the casing, at the same time as it is sufficiently permeable to air to permit air to enter the fuel quantity in a volume necessary for its combustion.
  • FIG. 1 shows a plan view of the fuel element with the casing v wall partly broken away
  • FIG. 2 is a side elevation of the fuel element.
  • the fuel element according to the invention comprises a tubular, in cross section almost oval casing which is flattened and sealed in each of its ends so as to form a fin 11 there.
  • the casing there is enclosed a quantity of fuel l2 which may consist of pieces of varying sizes, in such a way that the casing is rather well filled.
  • the casing at the same time serves as a package for the fuel and is meant to be discarded after use. It must be of such kind that it is air-permeable to a sufficient degree to permit the air which is required for burning the fuel to pass through the casing, at the same time as it must be sufficiently tight in order to retain fine fuel particles or finegrained combustion residues inside the casing.
  • a suitable material for the casing is unwoven felted fiberglass held together by means of a bonding agent containing starch, said material being available on the market (fiberglass felting). Other materials, such as fine-mesh metal netting or fiberglass fabric may also be used but would hardly be used to any considerable extent because of their relatively high price.
  • the fuel 12 may consist of crushed charcoal and into the charcoal there may be mixed a fragrant material, e.g., juniper twigs. It is also possible to press the charcoal into a briquet in a conventional manner and to enclose the said briquet in the casing.
  • the fuel element described having charcoal filling may be used as a heat radiation element for grilling meat, fish etc., in outdoor grills or on the open hearth.
  • the fuel element may in that case be used in a horizontal position and is ignited by means of a conventional igniting liquid. Due to the fact that the fuel element is arranged in combination with a reflector it may be located beside or above the food to be grilled, which gives certain advantages. As a matter of fact it is thereby possible to avoid grease dripping down onto the fuel element from the food to be grilled and being ignited when coming into contact with the fuel element, whereby the grilling may be done without disturbing smoke.
  • the ignition of grease which has dripped onto the food should also be avoided because the burning grease will coat the grilled food with soot, which is not only unappetizing but also unhealthy according to certain research results as it is considered to give rise to cancer. Even if the fuel element is placed beneath the food to be grilled the risk of such soot formation as a result of the combustion of grease dripping down is insignificant when using a fuel element according to the invention since the drops of grease will become distributed on the casing and will evaporate quickly without being ignited.
  • the fuel element according to the invention may also be used as a smoke cartridge for hot or cold smoking of food, in
  • the fuel 12 may consist of wood cuttings (sawdust or chippings) of a suitable wood quality, or of any other fuel generating smoke at combustion.
  • the casing 10 will form a soot and ash filter so that soot and ash particles will not adhere to the smoked food and make it unappetizing.
  • the fuel element according to the invention as a smoke cartridge it is consequently possible to simpler smoke furnaces than those now in use, since the furnace does not have to contain a special hearth; the fuel element may be placed in a horizontal position or may be suspended with simple means in the same room where the food is to be smoked.
  • the casing forms a controlling factor with respect to the combustion of the smokegenerating material since among other things the thickness of the fuel element determines the heat development at the combustion and, together with the length of the fuel element, infiuences the combustion time of the fuel element (heat generation and combustion time will of course also become dependent on the draft in the furnace).
  • the fuel element may contain a fuel quantity l2 carefully composed for certain kinds of smoking and its size may be adapted to different furnace sizes.
  • the use of the fuel element may be facilitated by incorporating into the fuel element an ignitor which may be enclosed at one end of the casing 10 in the portion located between the tin 11 at that end and the dash-and-dot line 13.
  • the ignitor may consist of e.g., paper or chippings.
  • a pyrotechnical ignitor may also be used and does not, of course, have to be provided at one end of the fuel element but may extend as a string over the whole length of the fuel element or be mixed with the fuel. It is possible to provide a plurality of fuel elements in a grill, open hearth or furnace in such a way that they will be ignited one after the other, whereby it is possible to obtain almost any desired combustion time by using smaller fuel elements which are easy to handle.
  • the fuel element described will probably be used as a grill element or smoke cartridge in the first place it also makes it possible to use for instance charcoal as fuel for heating tents and other similar spaces, or it can be used as a heating element in an oven for field use and for camping in a considerably simpler and cleaner manner than has been possible so far.
  • the fuel element may preferably be used in a suspended state and be allowed to burn from one end. in an oven the element may be used in a horizontal position just as when used for grilling or smoking, and it is then possible to put a plurality of fuel elements together in a suitable pattern in order to obtain an even distribution of the heat over a certain area.
  • a fuel element for cooking and/or smoke flavoring food comprising a porous noncombustible glass fiber casing; and a combustible fuel in solid form enclosed within the casing; the fiberglass casing having pores in sufficient number and size to permit the entry of the volume of air necessary to support combustion of the fuel, while retaining therewithin the fuel and substantially all of the combustion residue therefrom.
  • a fuel element in accordance with claim 4 comprising in addition wood chips for generating smoke during combustion to produce a smoked flavor in the food.
  • a fuel element for cooking and/or smoke flavoring food comprising a porous noncombustible glass fiber casing, a starch-containing bonding agent holding the glass fiber material together, and a combustible fuel in solid form enclosed within the glass fiber casing, the casing having pores in sufficient number and size permitting the entry of the volume of air necessary to support combustion of the fuel, while retaining therewithin the fuel and substantially all of the com- 5 bustion residue therefrom.

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  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Solid Fuels And Fuel-Associated Substances (AREA)
  • Baking, Grill, Roasting (AREA)
  • Closures For Containers (AREA)

Abstract

A fuel element for grilling or smoking comprises a refractory casing enclosing the fuel, which retains the fuel and combustion residues thereof but is sufficiently permeable to allow the air necessary for the combustion of the fuel to pass therethrough.

Description

United States Patent Orsing [54] FUEL ELEMENT, IN PARTICULAR FOR GRILLING AND SMOKING FOOD [72] Inventor: John Harry Orsing, Avangsgatan 2, Raa,
Sweden [22] Filed: Feb. 13, 1969 [21] Appl. No.: 799,030
[30] Foreign Application Priority Data Nov. 1, 1968 Sweden ..14830/68 [52] US. Cl ..44/40, 44/16, 99/229 [51] Int. Cl ..C 101 11/00, A23b 1/04 [58] Field of Search ..44/40, 16, l, 41; 38; 99/22, 99/9 [56] References Cited UNITED STATES PATENTS 2,916,365 12/1959 7 Smith ..44/41 1 Mar. 28, 1972 2,967,023 1/1961 Huckabee 44/40 X 3,124,432 3/1964 Gentry ..44/40 3,347,148 10/1967 Williams... ....99/229 3,454,377 7/1969 Renwick ..44/40 Primary Examiner-Daniel E. Wyman Assistant Examiner-C. F. Dees Attorney.lanes & Chapman [5 7] ABSTRACT 7 Claims, 2 Drawing Figures Patented March 28, 1972 3,651,596
FUEL ELEMENT, IN PARTICULAR FOR GRILLING AND SMOKING FOOD The present invention relates to a fuel element, in particular for grilling and smoking, and aims at producing a fuel element of that kind which is easier to handle and use than ordinary crushed charcoal, which is the most common fuel used in outdoor grills and open hearths. The fuel element according to the invention is also easier to use than wood cuttings or sawdust, which are used for smoking food and makes the grilling or smoking simpler and more comfortable than crushed charcoal or other kinds of fuel.
For this purpose the invention provides a fuel element of the kind described above which ischaracterized in that a fuel quantity is enclosed in a housing in the nature of apackage to be discarded after use and consisting essentially of refractory material and being sufficiently tight to retain the fuel quantity before, during and after combustion as well as combustion residues, if any, enclosed in the casing, at the same time as it is sufficiently permeable to air to permit air to enter the fuel quantity in a volume necessary for its combustion.
An embodiment of such a fuel element will be described in greater detail in the following with reference to the accompanying drawing, where FIG. 1 shows a plan view of the fuel element with the casing v wall partly broken away, and
FIG. 2 is a side elevation of the fuel element.
The fuel element according to the invention comprises a tubular, in cross section almost oval casing which is flattened and sealed in each of its ends so as to form a fin 11 there. In
the casing there is enclosed a quantity of fuel l2 which may consist of pieces of varying sizes, in such a way that the casing is rather well filled. The casing at the same time serves as a package for the fuel and is meant to be discarded after use. It must be of such kind that it is air-permeable to a sufficient degree to permit the air which is required for burning the fuel to pass through the casing, at the same time as it must be sufficiently tight in order to retain fine fuel particles or finegrained combustion residues inside the casing. A suitable material for the casing is unwoven felted fiberglass held together by means of a bonding agent containing starch, said material being available on the market (fiberglass felting). Other materials, such as fine-mesh metal netting or fiberglass fabric may also be used but would hardly be used to any considerable extent because of their relatively high price.
In a fuel element for grilling, the fuel 12 may consist of crushed charcoal and into the charcoal there may be mixed a fragrant material, e.g., juniper twigs. It is also possible to press the charcoal into a briquet in a conventional manner and to enclose the said briquet in the casing.
The fuel element described having charcoal filling may be used as a heat radiation element for grilling meat, fish etc., in outdoor grills or on the open hearth. The fuel element may in that case be used in a horizontal position and is ignited by means of a conventional igniting liquid. Due to the fact that the fuel element is arranged in combination with a reflector it may be located beside or above the food to be grilled, which gives certain advantages. As a matter of fact it is thereby possible to avoid grease dripping down onto the fuel element from the food to be grilled and being ignited when coming into contact with the fuel element, whereby the grilling may be done without disturbing smoke. The ignition of grease which has dripped onto the food should also be avoided because the burning grease will coat the grilled food with soot, which is not only unappetizing but also unhealthy according to certain research results as it is considered to give rise to cancer. Even if the fuel element is placed beneath the food to be grilled the risk of such soot formation as a result of the combustion of grease dripping down is insignificant when using a fuel element according to the invention since the drops of grease will become distributed on the casing and will evaporate quickly without being ignited.
The fuel element according to the invention may also be used as a smoke cartridge for hot or cold smoking of food, in
which case the fuel 12 may consist of wood cuttings (sawdust or chippings) of a suitable wood quality, or of any other fuel generating smoke at combustion. When the fuel 12 generating smoke is being burnt, the casing 10 will form a soot and ash filter so that soot and ash particles will not adhere to the smoked food and make it unappetizing. When using the fuel element according to the invention as a smoke cartridge it is consequently possible to simpler smoke furnaces than those now in use, since the furnace does not have to contain a special hearth; the fuel element may be placed in a horizontal position or may be suspended with simple means in the same room where the food is to be smoked. The casing forms a controlling factor with respect to the combustion of the smokegenerating material since among other things the thickness of the fuel element determines the heat development at the combustion and, together with the length of the fuel element, infiuences the combustion time of the fuel element (heat generation and combustion time will of course also become dependent on the draft in the furnace). The fuel element may contain a fuel quantity l2 carefully composed for certain kinds of smoking and its size may be adapted to different furnace sizes.
The use of the fuel element may be facilitated by incorporating into the fuel element an ignitor which may be enclosed at one end of the casing 10 in the portion located between the tin 11 at that end and the dash-and-dot line 13. In a fuel element for use as a smoke cartridge the ignitor may consist of e.g., paper or chippings. A pyrotechnical ignitor may also be used and does not, of course, have to be provided at one end of the fuel element but may extend as a string over the whole length of the fuel element or be mixed with the fuel. it is possible to provide a plurality of fuel elements in a grill, open hearth or furnace in such a way that they will be ignited one after the other, whereby it is possible to obtain almost any desired combustion time by using smaller fuel elements which are easy to handle.
Even if the fuel element described will probably be used as a grill element or smoke cartridge in the first place it also makes it possible to use for instance charcoal as fuel for heating tents and other similar spaces, or it can be used as a heating element in an oven for field use and for camping in a considerably simpler and cleaner manner than has been possible so far. When using the fuel element as a heating element in tents and similar spaces the fuel element may preferably be used in a suspended state and be allowed to burn from one end. in an oven the element may be used in a horizontal position just as when used for grilling or smoking, and it is then possible to put a plurality of fuel elements together in a suitable pattern in order to obtain an even distribution of the heat over a certain area.
What I claim is:
1, A fuel element for cooking and/or smoke flavoring food comprising a porous noncombustible glass fiber casing; and a combustible fuel in solid form enclosed within the casing; the fiberglass casing having pores in sufficient number and size to permit the entry of the volume of air necessary to support combustion of the fuel, while retaining therewithin the fuel and substantially all of the combustion residue therefrom.
2. A fuel element in accordance with claim 1, in which the glass fiber casing is an unwoven felt bonded by a starch-containing bonding agent.
3. A fuel element in accordance with claim 1, in which the casing is a woven glass fiber fabric.
4. A fuel element in accordance with claim 1, in which the fuel is charcoal.
5. A fuel element in accordance with claim 4, comprising in addition wood chips for generating smoke during combustion to produce a smoked flavor in the food.
6. A fuel element in accordance with claim 1, in which the fuel comprises wood chips for generating smoke during combustion to produce a smoked flavor in the food.
' 7. A fuel element for cooking and/or smoke flavoring food comprising a porous noncombustible glass fiber casing, a starch-containing bonding agent holding the glass fiber material together, and a combustible fuel in solid form enclosed within the glass fiber casing, the casing having pores in sufficient number and size permitting the entry of the volume of air necessary to support combustion of the fuel, while retaining therewithin the fuel and substantially all of the com- 5 bustion residue therefrom.

Claims (6)

  1. 2. A fuel element in accordance with claim 1, in which the glass fiber casing is an unwoven felt bonded by a starch-containing bonding agent.
  2. 3. A fuel element in accordance with claim 1, in which the casing is a woven glass fiber fabric.
  3. 4. A fuel element in accordance with claim 1, in which the fuel is charcoal.
  4. 5. A fuel element in accordance with claim 4, comprising in addition wood chips for generating smoke during combustion to produce a smoked flavor in the food.
  5. 6. A fuel element in accordance with claim 1, in which the fuel comprises wood chips for generating smoke during combustion to produce a smoked flavor in the food.
  6. 7. A fuel element for cooking and/or smoke flavoring food comprising a porous noncombustible glass fiber casing, a starch-containing bonding agent holding the glass fiber material together, and a combustible fuel in solid form enclosed within the glass fiber casing, the casing having pores in sufficient number and size permitting the entry of the volume of air necessary to support combustion of the fuel, while retaining therewithin the fuel and substantially all of the combustion residue therefrom.
US799030A 1968-11-01 1969-02-13 Fuel element, in particular for grilling and smoking food Expired - Lifetime US3651596A (en)

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JP (1) JPS4943081B1 (en)
AT (1) AT302241B (en)
CH (1) CH520766A (en)
DK (1) DK122613B (en)
FI (1) FI51821C (en)
GB (1) GB1274009A (en)
IE (1) IE33359B1 (en)
NL (1) NL163557C (en)
NO (1) NO124998B (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4095957A (en) * 1977-03-22 1978-06-20 Orsing J H Fuel element
US4102653A (en) * 1976-01-14 1978-07-25 Charles T. Simmons Aromatic wood fuel briquette and method of making and using the same
US4857074A (en) * 1988-01-25 1989-08-15 Hickory Specialties, Inc. Flavor-imparting permanent briquette for gas and electric grills
US5520940A (en) * 1992-10-19 1996-05-28 Tirkkonen; Tapani Bag for curing food
US6102028A (en) * 1999-08-11 2000-08-15 Weber-Stephen Products Co. Smoker attachment for a barbecue grill
US6257130B1 (en) 2000-08-11 2001-07-10 Weber-Stephen Products Co. Ducted smoker for barbecue grill
US7059318B2 (en) 2003-04-24 2006-06-13 Randall Cornfield Multi-purpose stovetop grilling and cooking device
GB2525291A (en) * 2014-02-27 2015-10-21 Martin Christopher Abram A disposable food smoking apparatus, a food smoking cake, and a method of forming a food smoking cake

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8324585D0 (en) * 1983-09-14 1983-10-19 Gen Electric Co Plc Domestic heating system
HU195531B (en) * 1985-03-12 1988-05-30 Gyula Szegvari Heat production process, particularly for furnaces using solid fuel, artificial fuel composition and process for producing the same
GB8705420D0 (en) * 1987-03-09 1987-04-15 Fiba Compacta Ltd Fire lighters

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2916365A (en) * 1957-06-25 1959-12-08 Charles R Smith Barbecue fuel and preparation thereof
US2967023A (en) * 1957-11-19 1961-01-03 Thad T Huckabee Means for smoke-flavoring food
US3124432A (en) * 1964-03-10 Fuel igniter
US3347148A (en) * 1966-06-20 1967-10-17 Theodore M Williams Smoke flavoring device
US3454377A (en) * 1967-02-20 1969-07-08 Charles S Renwick Jr Packaged fuel supplement

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3124432A (en) * 1964-03-10 Fuel igniter
US2916365A (en) * 1957-06-25 1959-12-08 Charles R Smith Barbecue fuel and preparation thereof
US2967023A (en) * 1957-11-19 1961-01-03 Thad T Huckabee Means for smoke-flavoring food
US3347148A (en) * 1966-06-20 1967-10-17 Theodore M Williams Smoke flavoring device
US3454377A (en) * 1967-02-20 1969-07-08 Charles S Renwick Jr Packaged fuel supplement

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4102653A (en) * 1976-01-14 1978-07-25 Charles T. Simmons Aromatic wood fuel briquette and method of making and using the same
US4095957A (en) * 1977-03-22 1978-06-20 Orsing J H Fuel element
US4857074A (en) * 1988-01-25 1989-08-15 Hickory Specialties, Inc. Flavor-imparting permanent briquette for gas and electric grills
US5520940A (en) * 1992-10-19 1996-05-28 Tirkkonen; Tapani Bag for curing food
US6102028A (en) * 1999-08-11 2000-08-15 Weber-Stephen Products Co. Smoker attachment for a barbecue grill
US6257130B1 (en) 2000-08-11 2001-07-10 Weber-Stephen Products Co. Ducted smoker for barbecue grill
US7059318B2 (en) 2003-04-24 2006-06-13 Randall Cornfield Multi-purpose stovetop grilling and cooking device
GB2525291A (en) * 2014-02-27 2015-10-21 Martin Christopher Abram A disposable food smoking apparatus, a food smoking cake, and a method of forming a food smoking cake

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Publication number Publication date
CH520766A (en) 1972-03-31
FI51821B (en) 1976-12-31
NL6900387A (en) 1970-05-06
AT302241B (en) 1972-10-10
JPS4943081B1 (en) 1974-11-19
FI51821C (en) 1977-04-12
GB1274009A (en) 1972-05-10
DK122613B (en) 1972-03-20
NO124998B (en) 1972-07-03
IE33359B1 (en) 1974-05-29
NL163557B (en) 1980-04-15
NL163557C (en) 1980-09-15
DE1902757A1 (en) 1970-07-16
DE1902757B2 (en) 1977-05-26
IE33359L (en) 1970-05-01

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