US20100003626A1 - Ceramic Gas Collector With Electrode - Google Patents

Ceramic Gas Collector With Electrode Download PDF

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Publication number
US20100003626A1
US20100003626A1 US12/167,028 US16702808A US2010003626A1 US 20100003626 A1 US20100003626 A1 US 20100003626A1 US 16702808 A US16702808 A US 16702808A US 2010003626 A1 US2010003626 A1 US 2010003626A1
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US
United States
Prior art keywords
gas burner
gas
igniter
bracket
electrode
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.)
Abandoned
Application number
US12/167,028
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English (en)
Inventor
Erich Schlosser
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.)
Weber Stephen Products LLC
Original Assignee
Weber Stephen Products LLC
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 Weber Stephen Products LLC filed Critical Weber Stephen Products LLC
Priority to US12/167,028 priority Critical patent/US20100003626A1/en
Assigned to WEBER-STEPHEN PRODUCTS CO. reassignment WEBER-STEPHEN PRODUCTS CO. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: SCHLOSSER, ERICH
Priority to CN2009801257640A priority patent/CN102084185A/zh
Priority to BRPI0913922A priority patent/BRPI0913922A2/pt
Priority to AU2009267117A priority patent/AU2009267117A1/en
Priority to CA2729706A priority patent/CA2729706A1/en
Priority to EP09774277A priority patent/EP2294337A1/en
Priority to MX2010014348A priority patent/MX2010014348A/es
Priority to PCT/US2009/049146 priority patent/WO2010002826A1/en
Priority to ARP090102455A priority patent/AR074162A1/es
Publication of US20100003626A1 publication Critical patent/US20100003626A1/en
Assigned to WEBER-STEPHEN PRODUCTS LLC, FORMERLY KNOWN AS WSPC ACQUISITION COMPANY, LLC reassignment WEBER-STEPHEN PRODUCTS LLC, FORMERLY KNOWN AS WSPC ACQUISITION COMPANY, LLC ASSIGNMENT OF INTELLECTUAL PROPERTY Assignors: WEBER-STEPHEN PRODUCTS CO.
Priority to CL2010001579A priority patent/CL2010001579A1/es
Priority to ZA2011/00652A priority patent/ZA201100652B/en
Abandoned legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23Q—IGNITION; EXTINGUISHING-DEVICES
    • F23Q3/00—Igniters using electrically-produced sparks
    • F23Q3/008—Structurally associated with fluid-fuel burners
    • 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
    • F24C3/10—Arrangement or mounting of ignition devices
    • F24C3/103—Arrangement or mounting of ignition devices of electric ignition devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D2207/00—Ignition devices associated with burner
    • 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
    • F23D2900/00014—Pilot burners specially adapted for ignition of main burners in furnaces or gas turbines

Definitions

  • the embodiments described and claimed herein relate generally to ignition systems for gas-fired barbecue grills. More specifically, some embodiments relate to corrosion resistant gas collector for a gas burner igniter.
  • the igniters of the '817 patent and '424 patents generally comprise a gas collector box, an insulated electrode and a ground wire which is attached to the collector box, whereby the ignition spark is intended to travel between the electrode and the collector box.
  • the electrodes of the '817 and '424 patents are insulated with a ceramic sleeve which prevents sparks from occurring at unintended locations.
  • the collector boxes of the '817 and '424 patents are constructed from thin-walled sheet metals.
  • the prior art ignitions systems provide an adequate means for igniting barbecue grills
  • the prior art systems suffer from previously unresolved problems.
  • the prior art collector boxes tend to quickly degrade or rust, as they are subjected to extremely harsh conditions in use.
  • the prior art collector boxes serve as a ground for the igniter and are disposed in close proximity to the burners. As such, the prior art collector boxes are repeatedly subjected to sparks from the electrode and extreme heat from the burner tube.
  • a gas burner assembly comprises a gas burner, an igniter, an ignition device, and a bracket.
  • the igniter has a ceramic body and electrode.
  • the ignition device is configured to generate a spark between the electrode and a ground.
  • the gas burner includes at least one port for providing a combustible gas.
  • the bracket is configured to position the gas collector portion of the igniter in close proximity to the burner port.
  • the ceramic body of the igniter includes a gas collection portion which is configured to capture at least some of the combustible gas from the burner port.
  • a second embodiment of a gas burner assembly also includes a gas burner, an igniter, an ignition device, and a bracket.
  • the gas burner provides a combustible gas through at least one port.
  • the igniter includes a body and an electrode.
  • the igniter body is made from a non-conductive and heat and corrosion resistant material and has an insulating sleeve portion and a hood portion, which are integral.
  • the sleeve portion has a first end and a second end and the hood portion depends from the second end of the sleeve portion.
  • the electrode extends through the sleeve portion from the first end to the second end, where the electrode extends outside of the sleeve portion into a partially enclosed volume defined by the hood portion.
  • the insulating portion of the igniter body is configured to prevent sparks at undesired locations and the hood portion is configured to capture at least some of the combustible gas emanating from the burner.
  • the ignition device is configured to generate a spark between the electrode and a ground.
  • the bracket is configured to position the gas collector portion of the igniter in close proximity to the burner port.
  • a third embodiment of a gas burner assembly comprises a gas burner, an electrode, a ground, a hood, and an ignition device.
  • the gas burner provides a combustible gas through at least one port.
  • the electrode is positioned above the gas burner and is in close proximity to the ground.
  • the hood is disposed at least partially above the electrode and is made from a ceramic material.
  • the hood has at least one wall which at least partially encloses a volume for capturing at least some of the combustible gas.
  • the ignition device generates a spark between the electrode and the ground.
  • a fourth embodiment of a gas burner assembly is for a barbecue grill.
  • the gas burner assembly includes a gas burner tube, an igniter, an ignition device, a bracket, and a grounded lead wire.
  • the gas burner tube has a plurality of spaced apart ports for providing a combustible gas.
  • the igniter includes a body and an electrode, wherein the body is made from a ceramic material and has an insulating sleeve portion and a hood portion.
  • the hood portion having at least one wall which at least partially encloses a volume.
  • the sleeve portion has a first end and a second end and the hood portion depends from the second end of the sleeve portion.
  • the electrode extends through the sleeve portion from the first end to the second end, where the electrode extends outside of the sleeve portion into the volume defined by the hood portion.
  • the insulating portion of the igniter body is configured to prevent sparks at undesired locations and the hood portion is configured to capture at least some of the combustible gas emanating from the burner.
  • the ignition device is configured to generate a spark between the electrode and a ground.
  • the bracket is configured to position the gas collector portion of the igniter in close proximity to the burner port and includes a first portion for engaging with the igniter and a second portion for engaging with the burner tube.
  • the grounded lead wire is functionally interconnected with the burner tube, whereby the burner tube is the ground.
  • Some of the embodiments described above include an insulating sleeve and a gas collector which are integrally cast from a ceramic or other non-conductive and heat and corrosion resistant material.
  • a construction provides significant advantages as compared to the sheet metal gas collectors of the prior art.
  • the non-conductive and heat and corrosion resistant material provides the gas collector with a much longer life than the metal gas collector boxes of the prior art.
  • the additional cost for integrally molding the gas collector is minimal.
  • FIG. 1 is a perspective view of a first burner tube ignition assembly which includes a first embodiment of a ceramic igniter and a first embodiment of a bracket for holding the igniter;
  • FIG. 2 is a side view of the same
  • FIG. 3 is a bottom view of the first embodiment of the ceramic igniter
  • FIG. 4 is a sectional view of the same
  • FIG. 5 is a perspective view of a second embodiment of a bracket for holding an igniter
  • FIG. 6 is a perspective view of a second burner tube ignition assembly which includes a first embodiment of a ceramic igniter and a third embodiment of a bracket for holding the igniter;
  • FIG. 7 is a close up perspective view of the third embodiment of the bracket.
  • FIG. 8 is a perspective view of a third burner tube ignition assembly which includes a first embodiment of a ceramic igniter and a fourth embodiment of a bracket for holding the igniter;
  • FIG. 9 is a sectional view of the third burner tube ignition assembly
  • FIG. 10 is a first close-up perspective view from the front of the fourth embodiment of the bracket.
  • FIG. 11 is a second close-up perspective view from the rear of the fourth embodiment of the bracket.
  • the igniter 30 is comprised of a body 31 into which an electrode 38 is inserted.
  • the body 31 of the igniter is made from a ceramic, such as aluminum oxide (alumina) that has a purity of approximately 92%-94% by weight, which is a readily available material. It is contemplated that other alternative materials could be used, such as materials which are non-conductive and are heat and corrosion resistant.
  • the body 31 includes an integrally cast gas collector (or hood) portion 32 and sleeve portion 34 .
  • the sleeve portion 34 is configured to mate with the apertures 45 , 47 of the bracket 40 , and includes a stop 36 which is configured to engage with the wing 44 to locate the electrode 38 above the orifices 22 , 24 .
  • the sleeve portion 34 and the apertures 45 , 47 as shown have a square cross section, it is contemplated that the sleeve 34 and apertures 45 , 47 could comprise other shapes, such as round, square, or any other shape.
  • the gas collector (or hood) portion 32 is positioned directly above the orifices 22 , 24 of the burner 20 and includes a single, continuous, generally parabolic wall which at least partially encloses a volume.
  • the gas collector (or hood) portion 32 captures the flammable gas and air thereby forming a combustible mixture for the igniter 30 and covers the electrode thereby protecting it from the elements (gas barbecue grills are intended to be ignited with the cover open; as such, the hood protects the electrode from wind and rain).
  • the gas collector 32 could comprise other shapes and/or additional walls.
  • the collector portion 32 could comprise a continuous curvilinear wall or multiple planar walls which form a box-like or other shaped gas collector.
  • the electrode 38 extends through the length of the sleeve portion 34 from a first end 33 of the sleeve portion 34 to a second end 35 of the sleeve portion 34 .
  • the sleeve portion 34 of the igniter 30 has at least two desirable properties. First, it insulates the electrode to prevent sparks from occurring at undesirable locations. Second, because it is heat resistant, it will not melt due to the extreme heat that is generated by the burner 20 .
  • the first end 33 of the sleeve portion is sufficiently distanced from the heat source of the burner 20 whereby the electrode 38 can be connected to a lead wire 60 which is insulated with a material which has a lower melting temperature than the sleeve portion 34 .
  • the lead wire 60 interconnect the electrode 38 with a device which is capable of creating an electric potential which is required to create a spark, such as a piezoelectric ignition device or other electric ignition devices.
  • the electrode 38 extends outside of the sleeve 34 , whereby a tip 39 of the electrode 38 is disposed generally within a volume defined by the gas collector portion 32 .
  • the tip 39 is bent in the direction of the burner 20 , thereby reducing the distance a spark must travel when the igniter 30 is activated.
  • the electrode 38 be positioned approximately 3/16′′ (with a 1/32′′ tolerance) from the burner tube, although the device may still work if the spacing criteria is not met.
  • FIG. 1 a perspective view of a first embodiment of a gas burner igniter assembly 10 is provided. While the gas burner igniter assembly 10 is shown attached to a gas burner 20 of the type which is typically used for gas barbecue grills, it is contemplated that a person of ordinary skill in the art could easily configure the igniter assembly for use with other types of appliances, such as lamps, furnaces, cooktops, indoor and outdoor fireplaces or any other device which requires ignition of a flammable gas.
  • the particular burner 20 shown in FIG. 1 (and 6 ) is an annular tube which includes a first set of orifices (or ports) 22 which are spaced apart along the length of the burner tube for distributing flammable gas along the length of the burner tube 20 .
  • the burner tube 20 includes a second set of orifices 24 near one end of the first set of orifices 22 .
  • the second set of orifices 24 are aligned transverse to the first set 22 , whereby the orifices 24 are spaced apart around a portion of the circumference of the tube 20 .
  • the igniter assembly 10 is attached to the burner tube 20 near a first end of the burner tube 20 , generally above the first and second set of orifices 22 , 24 .
  • Two of the orifices from the first set of orifices 22 are directly below the hood 32 of the igniter 30 to provide sufficient combustible gas for ignition. Depending upon the orientation and size of the orifices, more or less orifices may be used.
  • the second set of orifices 24 serve to provide a source of combustible gas for manual ignition, if required.
  • the igniter assembly 10 generally comprises an igniter 30 , a bracket 40 and lead wires 60 , 70 .
  • the bracket 40 serves to position the igniter 30 in close proximity to the orifices 22 , 24 of the gas burner 20 .
  • the first embodiment of the bracket 40 as shown in FIGS. 1 and 2 , has a first portion which engages with the igniter 30 and a second portion which engages with the burner tube.
  • the first portion of the bracket 40 includes a first set of opposing wings 44 , 46 .
  • Each of the wings 44 , 46 includes an aperture 45 , 47 which are aligned for receiving and holding the igniter 30 therein.
  • the wing 46 is at a slight angle with respect to the other wing 44 and holds the igniter 30 is place by a friction fit.
  • the second portion of the bracket 40 comprises a second pair of wings 42 a, 42 b which are welded to the burner tube.
  • the bracket 40 also includes a ground terminal 48 which is adapted to engage with a grounded lead wire 70 .
  • the ground terminal 48 is a male ground terminal. While the ground terminal 48 depends from the wing 42 a, it is contemplated that the ground terminal 48 could depend from any other portion of the bracket 40 .
  • a second embodiment of the bracket 140 is shown in FIG. 5 .
  • the second embodiment of the bracket 140 like the first embodiment 40 , includes a first portion which engages with the burner tube 20 , a second portion which engages with the igniter 30 , and a ground terminal 148 .
  • the second portion of the bracket 140 is not permanently attached to the burner tube 20 by welding.
  • the first portion of the bracket 140 includes resilient gripping members or spring members 142 a, 142 b which grip the burner tube 20 and can be attached and removed from the burner tube without the use of tools.
  • the bracket 140 is suitable for use in retrofit applications to replace earlier-generation igniters and gas collector boxes which have deteriorated.
  • the snap-fit connection 142 a, 142 b makes it simple for consumers to change out the deteriorated igniter assemblies.
  • the consumer simply snaps the bracket 140 into place on the burner tube 20 , inserts the igniter 30 into the first portion of the bracket 140 , and connects the lead wires 60 , 70 to the igniter 30 and the bracket 140 .
  • a third embodiment of a bracket 240 is shown in FIGS. 6 and 7 .
  • the third embodiment of the bracket 240 comprises two members 240 a, 240 b that can be disassembled to allow the burner tube and the first member 240 a of the bracket 240 to be separately shipped from the supplier(s).
  • this configuration allows the burner tubes 20 to be more compactly boxed for shipment and prevents bending of the wings 244 , 246 during shipping.
  • the first member 240 a of the bracket 240 engages with the igniter 30 and the second member 240 b engages with the burner tube.
  • the first member 240 a includes a first set of opposing wings 244 , 246 , which are identical in nearly all respects to the wings 44 , 46 of the first embodiment, and a ground terminal 248 which is adapted to engage with a grounded lead wire 70 .
  • the underside of the second member 240 b is welded to the burner tube 20 .
  • the first and second members 240 a, 240 b are configured for mating engagement.
  • the first and second members 240 a, 240 b are configured for sliding engagement.
  • the second member 240 b includes upturned wing members 242 a, 242 b which form slots for receiving corresponding wing members 243 a, 243 b of the first member 240 a.
  • the first and second members 240 a, 240 b include locking members 245 a, 245 b which engage to firmly hold the first and second members 240 a, 240 b together.
  • the locking members 245 a, 245 b provide a snap-fit.
  • the locking member 245 a is an aperture (as shown) or recessed dimple (not shown) and the locking member 245 b is a raised portion or raised dimple which is received by the locking member 245 a.
  • the first member 240 a includes a stop 247 which abuts the upturned wing member 243 b when the first member 240 a is properly positioned in mating engagement with the second member 240 b.
  • FIGS. 8-11 another embodiment of an igniter assembly 310 is shown which includes a fourth embodiment of a bracket 340 .
  • FIGS. 8-9 show the igniter assembly 310 , along with e burner 120 , in a barbecue grill firebowl 80 .
  • FIGS. 10-11 show close-up perspective views of the igniter assembly 310 .
  • the igniter assembly 310 is configured to be installed concurrently with the burner 120 in the firebox 80 of a barbecue grill.
  • the burner 120 is a tube having a curvilinear, loop configuration, a series of orifices 122 oriented in an upward direction about the entire loop, and a series of three orifices 122 a, 122 b, 122 c.
  • the three orifices 122 a, 122 b, and 122 c are aligned transverse to orifices 122 about a portion of the circumference of the burner 120 . It is contemplated, that other sizes, types, and configurations of burners 120 can be used.
  • the firebowl 80 includes a mounting ledge 82 which extends into a socket 84 for holding and securing the burner 120 and igniter assembly 310 .
  • the mounting ledge 82 is configured to receive a common fastener (not shown), such as a nut and bolt, for securing the burner 120 and igniter assembly 310 in place.
  • the mounting ledge includes an aperture 86 , or through hole, for receiving the fastener and is provided with a recessed socket 88 on the underside of the aperture 86 .
  • the socket 88 has a shape which corresponds to a nut (not shown) whereby the socket 88 receives and holds the nut to prevent rotation thereof.
  • the nut may be welded in the socket 88 .
  • Both the burner 120 and the bracket 340 include flange portions 124 , 342 , respectively.
  • the flange portions 124 , 342 each include apertures or slots 126 , 344 that are configured to align with the aperture 86 in an assembled configuration.
  • the burner 120 has a slot to allow the assembler to adjust the position of the burner 120 relative to the igniter assembly 310 .
  • the hood portion 32 of the igniter 30 is positioned generally above orifices 122 a, 122 b, 122 c, which provide combustion gas to the igniter assembly 310 .
  • the hood portion 32 of the igniter extends outward from the bracket 340 to mitigate or prevent the flames from directly impinging upon the bracket 340 .
  • the bracket 340 includes a ground terminal 348 .
  • the ground terminal 348 of the fourth embodiment 340 is spring loaded to retain the igniter 30 in place.
  • the brackets 40 , 140 , 240 , 340 are fabricated from a conductive material, such as sheet metal which is stamped and/or formed into shape. As discussed in more detail above, the brackets 40 , 140 , 240 , 340 include push-on type ground terminals 48 , 148 , 248 , 348 which are configured for attachment to a grounded lead wire 70 to ground the bracket.
  • the connections between the burner 20 , 120 and the bracket 40 , 140 , 240 , 340 serve to pass the ground from the bracket to the burner 20 , 120 . In this manner, when the igniter 30 is activated, a spark passes between the igniter 30 and the grounded burner 20 thereby igniting the flammable gas.
  • brackets and igniter may devise a number of alternative configurations for the brackets and igniter that are similar and equivalent to the embodiments shown and described herein.
  • the brackets need not be formed from a conductive material.
  • the grounded lead wire could be directly connected to the burner tube.
  • the bracket need not be attached to the burner tube.
  • the bracket could be attached to other components, whereby the bracket could be configured to position the igniter in close proximity to the gas source.
  • bracket and igniter could be integrated into a single component.
  • the embodiments above describe the burner tube as being grounded whereby the ignition spark travels between the electrode and the burner, it is contemplated that a ground wire could also be embedded in the igniter body. In such a case, a portion of the ground wire (or an extension thereof, such as a plate) would be exposed near the wall of the collection portion of the igniter, whereby the ignition spark would travel between the wall of the collector portion and the electrode.
  • the embodiments of the ceramic igniter describe the sleeve portion and collector portion to be integrally cast, it is contemplated that the igniter need not be integrally cast. In fact, the sleeve portion and the collector portion need not be a single component.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Baking, Grill, Roasting (AREA)
  • Measuring Oxygen Concentration In Cells (AREA)
  • Gas Burners (AREA)
  • Spark Plugs (AREA)
US12/167,028 2008-07-02 2008-07-02 Ceramic Gas Collector With Electrode Abandoned US20100003626A1 (en)

Priority Applications (11)

Application Number Priority Date Filing Date Title
US12/167,028 US20100003626A1 (en) 2008-07-02 2008-07-02 Ceramic Gas Collector With Electrode
PCT/US2009/049146 WO2010002826A1 (en) 2008-07-02 2009-06-30 Gas burner assembly with gas collector and igniter
MX2010014348A MX2010014348A (es) 2008-07-02 2009-06-30 Colector de gas de cerámica con electrodo.
BRPI0913922A BRPI0913922A2 (pt) 2008-07-02 2009-06-30 conjunto de queimador de gás com coletor de gás e ignitor
AU2009267117A AU2009267117A1 (en) 2008-07-02 2009-06-30 Gas burner assembly with gas collector and igniter
CA2729706A CA2729706A1 (en) 2008-07-02 2009-06-30 Gas burner assembly with gas collector and igniter
EP09774277A EP2294337A1 (en) 2008-07-02 2009-06-30 Gas burner assembly with gas collector and igniter
CN2009801257640A CN102084185A (zh) 2008-07-02 2009-06-30 具有气体收集器和点火器的气体燃烧器组件
ARP090102455A AR074162A1 (es) 2008-07-02 2009-07-01 Colector ceramico de gas con electrodo
CL2010001579A CL2010001579A1 (es) 2008-07-02 2010-12-27 Conjunto de quemador de gas que comprende: un quemador de gas, un encendedor que tiene un cuerpo y un electro, un dispositivo de encendido, un soporte para el encendedor, donde el cuerpo del encendedor es de un material anticorrosivo, no conductor y resistente al calor; y conjunto quemador de gas para una parrilla barbacoa.
ZA2011/00652A ZA201100652B (en) 2008-07-02 2011-01-26 Gas burner assembly with gas collector and igniter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US12/167,028 US20100003626A1 (en) 2008-07-02 2008-07-02 Ceramic Gas Collector With Electrode

Publications (1)

Publication Number Publication Date
US20100003626A1 true US20100003626A1 (en) 2010-01-07

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Application Number Title Priority Date Filing Date
US12/167,028 Abandoned US20100003626A1 (en) 2008-07-02 2008-07-02 Ceramic Gas Collector With Electrode

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US (1) US20100003626A1 (pt)
EP (1) EP2294337A1 (pt)
CN (1) CN102084185A (pt)
AR (1) AR074162A1 (pt)
AU (1) AU2009267117A1 (pt)
BR (1) BRPI0913922A2 (pt)
CA (1) CA2729706A1 (pt)
CL (1) CL2010001579A1 (pt)
MX (1) MX2010014348A (pt)
WO (1) WO2010002826A1 (pt)
ZA (1) ZA201100652B (pt)

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US20110236840A1 (en) * 2010-03-25 2011-09-29 Whirlpool Corporation Attachment system for an igniter electrode for a gas burner
US20120282560A1 (en) * 2011-05-05 2012-11-08 General Electric Company Offset igniter assembly
US20160069564A1 (en) * 2014-09-08 2016-03-10 Mallik Ahmed Top ported burner
EP3150920A1 (en) * 2015-09-25 2017-04-05 Lg Electronics Inc. Gas oven range
US20220287506A1 (en) * 2021-03-15 2022-09-15 Halo Products Group, Llc Pellet Grill

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CL2010001579A1 (es) 2011-03-18
CN102084185A (zh) 2011-06-01
WO2010002826A1 (en) 2010-01-07
CA2729706A1 (en) 2010-01-07
EP2294337A1 (en) 2011-03-16
AR074162A1 (es) 2010-12-29
MX2010014348A (es) 2011-03-03
BRPI0913922A2 (pt) 2015-10-20

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