US3857669A - Catalytic heater head - Google Patents
Catalytic heater head Download PDFInfo
- Publication number
- US3857669A US3857669A US00177399A US17739971A US3857669A US 3857669 A US3857669 A US 3857669A US 00177399 A US00177399 A US 00177399A US 17739971 A US17739971 A US 17739971A US 3857669 A US3857669 A US 3857669A
- Authority
- US
- United States
- Prior art keywords
- reservoirs
- gas
- back pan
- channels
- channel means
- 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.)
- Expired - Lifetime
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/12—Radiant burners
- F23D14/18—Radiant burners using catalysis for flameless combustion
- F23D14/181—Radiant burners using catalysis for flameless combustion with carbon containing radiating surface
Definitions
- a catalytic heater head having a back pan forming a gas difi'usion chamber behind a layer of catalytic mass; the back pan being rectangular shape with a central gas receiving port and a plurality of channels radiating outwardly therefrom to reservoirs located. in the four corners of the pan.
- thermonic elements which function bycatalytic oxidation of gas can afford satisfactory results only when a very uniform feeding of the gas is effected over the whole internal area of the catalytic mass.
- a catalytic head of the type shown in the present invention is vertically positioned, the heavier than air gas entering the back pan has a tendency to settle at the bottom of the pan before coming through the catalytic mass. This causes the unit when operating, to generate heat only in the lower portions of the catalytic element, which severely limits its overall heating'capacity.
- the catalytic heater head of the present invention employs a single gas emitter head with a back pan shaped with upwardly and downwardly directed channels and reservoirs at the corners thereof to better effeet a more even gas distribution over the entire area of the catalytic element.
- the primary object of the present invention is to provide a planar shaped catalytic heater head which effects even distribution of the gas through the catalytic mass.
- a further object of the present invention is to provide a catalytic heater head with a maximum heat output for a minimum size catalytic mass.
- Another object of the present invention is to provide a back pan design which replaces complex manifold structures for providing even gas distribution through the catalytic mass.
- Another object of the present invention is to provide a head which utilizes heavier and lighter than air gases.
- FIG. I is a plan view of the heater head with portions of the fibrous ceramic elements broken away to view the back pan structure;
- FIG. 2 is a sectional view taken along lines 2 2 of FIG. 1';
- FIG. 3 is a section taken along lines 3 3 of FIG. 1 with portions of the outer frame and protective grate broken away;
- FIG. 4 is a fragmentary section to an enlarged scale, taken along lines 4 4 of FIG. 1 with a gas supply symbolically shown;
- FIG. 5 is a gas emitter head of a different embodiment.
- the catalytic heater head of the present invention is generally described by reference numeral 10.
- the head includes a metal back pan l2 shaped to form a gas diffusion chamber behind the catalytic elements.
- the outer sides of reservoir 14 are clearly delineated by walls 18 and 19, the inner limits of reservoir 14 are defined by a gradually sloping bottom surface which terminates in a ridge 20 between reservoirs 14 and 15.
- a similar ridge 21 separates reservoirs 14 and 17.
- the reservoirs l6 and 17 on the right side of pan 12 are identical to reservoirs 14 and I5.
- a circular recessed area 32 which contains a gas emitter head 22. Radiating outward from the recessed area 32 are four channels 24 which connect the center area with each of the separate reservoirs previously mentioned.
- the gas emitter head 22 has a pair of orifices 25, each one being aligned with a channel 24 so that the gas stream emitted from the orifices will be enclosed by the channels 24 until the gas reaches the outer reservoirs l4 and 17.
- the gas emitter head 22' passes through an opening in the back pan 12 and is held in place by a sealing nut and washer 27.
- the threaded fitting 28 on the emitter head is a standard fitting which can be attached to any conventional gas line.
- a tank 29 is symbolically shown supplying gas to the head through a regulator valve 30.
- a rectangular piece of expanded metal 34 Positioned inside the back pan 12 is a rectangular piece of expanded metal 34 which prevents the pliable fibrous elements 40 and 42 from deflecting into the cavaties of the back pan.
- The, expanded metal 34 is held in place by a weld 36.
- an extended lip 37 Surrounding the periphery of back pan 12 is an extended lip 37 which terminates in an upstanding flange 38.
- a fibrous filter pad 40 Positioned on top of the expanded metal 34 is a fibrous filter pad 40 made up of alumina-silica fibers. Pad 40 is manufactured under the trademark of Kaowool," manufactured by the Babcox Wilcox Co., or Fiberfrax manufactured by the Carborundum Company.
- a thinner vacuum cast pad 42 Positioned on top of the pad 40 is a thinner vacuum cast pad 42 formed of an aluminasilica fiber coated with a catalyst such as platinum. Both pads 40 and 42 have sufficient porosity for the gas to flow therethrough with a very low pressure in the back pan.
- the filter pad 40 can be eliminated with the usage of a single pad 42.
- Holding the two ceramic pads 40 and 42 in sealing engagement with lip 37 of the back pan is an outer frame 45. Covering the outer frame 45 and extending outwardly therefrom is a wire protective grate 46 which protects persons from touching the hot catalytic element 42.
- the heating head 10 is generally used in a near vertical position. If it is tilted downward it has a minimum angle requirement of 15 percent from the horizontal to allow the by-products of combustion to escape.
- propane as a fuel
- the head is positioned as seen in FIG. 1 with the reservoirs 14 and 17 at the top of the head so the gas streams from orifices 25 will be directed to the upper two reservoirs.
- the channels 24 tend to confine it into its respective reservoir 14 or 17. While a portion of the gas may find its way between the openings in the expanded metal 34, down to the lower reservoirs 15 and 16, most of the gas will be retained in its upper reservoirs l4 and 17 until it flows out through the catalytic element.
- the deep corners of the reservoir tend to improve the gas flow through the catalyst element at the corners.
- the gas emitter head 22a shown in FIG. 5, is utilized. Since natural gas is lighter than air, the primary gas orifices 52 are directed downward to the lower two .reservoirs and 16. While some of the gas from orifices 52 will rise above the lower reservoirs, the additional smaller secondary orifices 5.4 are necessary to accumulate a sufficient amount of gas in the upper reservoirs.
- a catalytic heater headfor use with gaseous fuels comprising:
- a gas emitter head centrally located in said back pan and including at least one orifice located to emit gas in a directed stream;
- said back pan being formed with separate reservoirs in each of the four corners thereof and channel means radiating outward from the gas emitter head terminating in at least one of the reservoirs, the volume of the channel means being substantially smaller than the volume of the reservoirs, the channel means being substantially aligned with the gas stream from the emitter head whereby the flowing gas is partially confined as it travels upward through the channel means into the respective reservoir and ridge means separating each of the reservoirs partially restricting the flow of gas between the reservoirs.
- the channel means includes a pair of channels each extending into a separate reservoir at an upper corner of the back pan, and the emitter head includes two orifices each directing a gas stream into one of the said channels.
- the channel means includes a pair of channels each extending into a separate reservoir at an upper corner of the back pan
- the emitter head includes two orifices each directing a gas stream into one of the said channels, and a ridged layer of pervious material sandwiched between the layers of catalytic mass and the back pan to prevent the catalytic mass from deforming into the reservoirs and channels of the back pan.
- the channel means includes a pair of channels each extending into a separate reservoir at an upper corner of the back pan
- the emitter head includes two orifices each directing a gas stream into one of the said channels, and a filter pad of ceramic fibrous material positioned under the layer of catalytic mass and a rigid layer of pervious material sandwiched between the filter pad and the back pan to prevent the fibrous layers from deforming in the reservoirs and channels of the back pan.
- the channel means includes separate channels to each of the four reservoirs, the emitter heads including two primary orifices and two secondary orifices, the primary orifices each directing a gas stream downward into the two lower reservoirs while the secondary orifices are directed to the upper two reservoirs.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Incineration Of Waste (AREA)
Abstract
A catalytic heater head having a back pan forming a gas diffusion chamber behind a layer of catalytic mass; the back pan being rectangular shape with a central gas receiving port and a plurality of channels radiating outwardly therefrom to reservoirs located in the four corners of the pan.
Description
United "States Patent 1 1 Smith et a1.
[ Dec. 31, 1974 CATALYTIC HEATER HEAD [75] lnventors: Jay N. Smith, Wichita, Kans.;
Robert I. Schantz, Burien, Wash.
[73] Assignee: Impala Industries, Inc., Wichita,
Kans.
[22] Fi1ed: Sept. 2, 1971 [21 Appl. Noe 177,399
[52] [1.8. CI. 431/328 [51] Int. Cl. F23d 13/14 [58] Field of Search 431/328, 329; 239/522,
[56] References Cited UNITED' STATES PATENTS I l/1963 Martin 431/328 x 3,229,680 1/1966 Herbert et a1. 431/329 X 3,407,023 10/1968 Hirschberg et al. 431/328 3,441,359 4/ 1969 Keith et a1. 431/328 3,664,591 5/ 1972 Stohrer, Jr. et a1 239/568 X Primary Examiner-Meyer Perlin Assistant Examiner-Ronald C.-Caposse1a s7 ABSTRACT A catalytic heater head having a back pan forming a gas difi'usion chamber behind a layer of catalytic mass; the back pan being rectangular shape with a central gas receiving port and a plurality of channels radiating outwardly therefrom to reservoirs located. in the four corners of the pan.
. 8'C1aims, 5 Drawing Figures minnow 1 m4 I 3.857. 669
EEZEIEA' JAY N. SMITH ROBERT l. SCHANT Z Mill/4% CATALYTIC HEATER HEAD BACKGROUND OF THE INVENTION It is well'known that thermonic elements which function bycatalytic oxidation of gas can afford satisfactory results only when a very uniform feeding of the gas is effected over the whole internal area of the catalytic mass. Whenever a catalytic head of the type shown in the present invention is vertically positioned, the heavier than air gas entering the back pan has a tendency to settle at the bottom of the pan before coming through the catalytic mass. This causes the unit when operating, to generate heat only in the lower portions of the catalytic element, which severely limits its overall heating'capacity. If the gas used is lighter than air, such as natural gas, the problem is reversed with the gas gathering at the top portions of the catalytic element. Another type back pan design, shown in U.S. Pat. No. 3,073,379, has attempted to effect uniform flow of gas to the catalytic mass by the usage of an arcuate shaped manifold pipe having a series of small holes therein which emit the gas onto the catalytic element. This type of unit has been found to be very complex in structure and expensive to produce,and also, it does not achieve uniform distribution.
SUMMARY OF THE INVENTION The catalytic heater head of the present invention employs a single gas emitter head with a back pan shaped with upwardly and downwardly directed channels and reservoirs at the corners thereof to better effeet a more even gas distribution over the entire area of the catalytic element.
The primary object of the present invention is to provide a planar shaped catalytic heater head which effects even distribution of the gas through the catalytic mass.
A further object of the present invention is to provide a catalytic heater head with a maximum heat output for a minimum size catalytic mass.
Another object of the present invention is to provide a back pan design which replaces complex manifold structures for providing even gas distribution through the catalytic mass. I
Another object of the present invention is to provide a head which utilizes heavier and lighter than air gases.
The invention, and its various objects and advantages, will be more clearly understood when the following description is read in connection with the accompanying drawings in which:
FIG. I is a plan view of the heater head with portions of the fibrous ceramic elements broken away to view the back pan structure;
FIG. 2 is a sectional view taken along lines 2 2 of FIG. 1';
FIG. 3 is a section taken along lines 3 3 of FIG. 1 with portions of the outer frame and protective grate broken away;
FIG. 4 is a fragmentary section to an enlarged scale, taken along lines 4 4 of FIG. 1 with a gas supply symbolically shown; and
FIG. 5 is a gas emitter head of a different embodiment.
In referring to-FIG. l, the catalytic heater head of the present invention is generally described by reference numeral 10. The head includes a metal back pan l2 shaped to form a gas diffusion chamber behind the catalytic elements. Formed at each of the four corners of the back pan 12 are reservoirs or pockets l4, l5, l6 and 17, the latter two not being visible in FIG. 1. While the outer sides of reservoir 14 are clearly delineated by walls 18 and 19, the inner limits of reservoir 14 are defined by a gradually sloping bottom surface which terminates in a ridge 20 between reservoirs 14 and 15. A similar ridge 21 separates reservoirs 14 and 17. The reservoirs l6 and 17 on the right side of pan 12 are identical to reservoirs 14 and I5. Formed in the center of back pan 12 is a circular recessed area 32 which contains a gas emitter head 22. Radiating outward from the recessed area 32 are four channels 24 which connect the center area with each of the separate reservoirs previously mentioned. The gas emitter head 22 has a pair of orifices 25, each one being aligned with a channel 24 so that the gas stream emitted from the orifices will be enclosed by the channels 24 until the gas reaches the outer reservoirs l4 and 17. In viewing FIG. 4, the gas emitter head 22' passes through an opening in the back pan 12 and is held in place by a sealing nut and washer 27. The threaded fitting 28 on the emitter head is a standard fitting which can be attached to any conventional gas line. A tank 29 is symbolically shown supplying gas to the head through a regulator valve 30.
Positioned inside the back pan 12 is a rectangular piece of expanded metal 34 which prevents the pliable fibrous elements 40 and 42 from deflecting into the cavaties of the back pan. The, expanded metal 34 is held in place by a weld 36. Surrounding the periphery of back pan 12 is an extended lip 37 which terminates in an upstanding flange 38. Positioned on top of the expanded metal 34 is a fibrous filter pad 40 made up of alumina-silica fibers. Pad 40 is manufactured under the trademark of Kaowool," manufactured by the Babcox Wilcox Co., or Fiberfrax manufactured by the Carborundum Company. Positioned on top of the pad 40 is a thinner vacuum cast pad 42 formed of an aluminasilica fiber coated with a catalyst such as platinum. Both pads 40 and 42 have sufficient porosity for the gas to flow therethrough with a very low pressure in the back pan. The filter pad 40 can be eliminated with the usage of a single pad 42. Holding the two ceramic pads 40 and 42 in sealing engagement with lip 37 of the back pan is an outer frame 45. Covering the outer frame 45 and extending outwardly therefrom is a wire protective grate 46 which protects persons from touching the hot catalytic element 42. v
OPERATION The heating head 10 is generally used in a near vertical position. If it is tilted downward it has a minimum angle requirement of 15 percent from the horizontal to allow the by-products of combustion to escape. When using propane as a fuel, the head is positioned as seen in FIG. 1 with the reservoirs 14 and 17 at the top of the head so the gas streams from orifices 25 will be directed to the upper two reservoirs. As the gas flows out from orifices 25, the channels 24 tend to confine it into its respective reservoir 14 or 17. While a portion of the gas may find its way between the openings in the expanded metal 34, down to the lower reservoirs 15 and 16, most of the gas will be retained in its upper reservoirs l4 and 17 until it flows out through the catalytic element. The deep corners of the reservoir tend to improve the gas flow through the catalyst element at the corners. When using natural gas as a fuel. the gas emitter head 22a, shown in FIG. 5, is utilized. Since natural gas is lighter than air, the primary gas orifices 52 are directed downward to the lower two .reservoirs and 16. While some of the gas from orifices 52 will rise above the lower reservoirs, the additional smaller secondary orifices 5.4 are necessary to accumulate a sufficient amount of gas in the upper reservoirs.
Having described the invention will sufficient clarity to enable those familiar with the art to construct and use it, we claim:
l. A catalytic heater headfor use with gaseous fuels, comprising:
a gas impervious rectangular back pan shaped to define a shallow gas diffusion chamber with an open front side;
a fibrous layer of catalytic-coated mass mounted on the front side of said back pan;
a gas emitter head centrally located in said back pan and including at least one orifice located to emit gas in a directed stream;
' means to supply gas to said emitter head; and
said back pan being formed with separate reservoirs in each of the four corners thereof and channel means radiating outward from the gas emitter head terminating in at least one of the reservoirs, the volume of the channel means being substantially smaller than the volume of the reservoirs, the channel means being substantially aligned with the gas stream from the emitter head whereby the flowing gas is partially confined as it travels upward through the channel means into the respective reservoir and ridge means separating each of the reservoirs partially restricting the flow of gas between the reservoirs.
2. Apparatus according to claim 1, wherein the channel means includes a pair of channels each extending into a separate reservoir at an upper corner of the back pan, and the emitter head includes two orifices each directing a gas stream into one of the said channels.
3. Apparatus according to claim 1, wherein the back pan is formed to include a recessed center area surrounding the gas emitter head into which the channel means terminate. g
4. Apparatus according to claim 1, wherein the reservoirs decrease in depth as they extend away from the corners of the back pan.
5. Apparatus according to claim 1, wherein the reservoirs decrease in depth as they extend away from the corners of the back pan terminating in said ridges which separate each reservoir.
6. Apparatus according to claim 1, wherein the channel means includes a pair of channels each extending into a separate reservoir at an upper corner of the back pan, and the emitter head includes two orifices each directing a gas stream into one of the said channels, and a ridged layer of pervious material sandwiched between the layers of catalytic mass and the back pan to prevent the catalytic mass from deforming into the reservoirs and channels of the back pan.
7. Apparatus according to claim 1, wherein the channel means includes a pair of channels each extending into a separate reservoir at an upper corner of the back pan, and the emitter head includes two orifices each directing a gas stream into one of the said channels, and a filter pad of ceramic fibrous material positioned under the layer of catalytic mass and a rigid layer of pervious material sandwiched between the filter pad and the back pan to prevent the fibrous layers from deforming in the reservoirs and channels of the back pan.
8. Apparatus according to claim 1, wherein the channel means includes separate channels to each of the four reservoirs, the emitter heads including two primary orifices and two secondary orifices, the primary orifices each directing a gas stream downward into the two lower reservoirs while the secondary orifices are directed to the upper two reservoirs.
Claims (8)
1. A catalytic heater head for use with gaseous fuels, comprising: a gas impervious rectangular back pan shaped to define a shallow gas diffusion chamber with an open front side; a fibrous layer of catalytic-coated mass mounted on the front side of said back pan; a gas emitter head centrally located in said back pan and including at least one orifice located to emit gas in a directed stream; means to supply gas to said emitter head; and said back pan being formed with separate reservoirs in each of the four corners thereof and channel means radiating outward from the gas emitter head terminating in at least one of the reservoirs, the volume of the channel means being substantially smaller than the volume of the reservoirs, the channel means being substantially aligned with the gas stream from the emitter head whereby the flowing gas is partially confined as it travels upward through the channel means into the respective reservoir and ridge means separating each of the reservoirs partially restricting the flow of gas between the reservoirs.
2. Apparatus according to claim 1, wherein the channel means includes a pair of channels each extending into a separate reservoir at an upper corner of the back pan, and the emitter head includes two orifices each directing a gas stream into one of the said channels.
3. Apparatus according to claim 1, wherein the back pan is formed to include a recessed center area surrounding the gas emitter head into which the channel means terminate.
4. Apparatus according to claim 1, wherein the reservoirs decrease in depth as they extend away from the corners of the back pan.
5. Apparatus according to claim 1, wherein the reservoirs decrease in depth as they extend away from the corners of the back pan terminating in said ridges which separate each reservoir.
6. Apparatus according to claim 1, wherein the channel means includes a pair of channels each extending into a separate reservoir at an upper corner of the back pan, and the emitter head includes two orifices each directing a gas stream into one of the said channels, and a ridged layer of pervious material sandwiched between the layers of catalytic mass and the back pan to prevent the catalytic mass from deforming into the reservoirs and channels of the back pan.
7. Apparatus according to claim 1, wherein the channel means includes a pair of channels each extending into a separate reservoir at an upper corner of the back pan, and the emitter head includes two orifices each directing a gas stream into one of the said channels, and a filter pad of ceramic fibrous material positioned under the layer of catalytic mass and a rigid layer of pervious material sandwiched between the filter pad and the back pan to prevent the fibrous layers from deforming in the reservoirs and channels of the back pan.
8. Apparatus according to claim 1, wherein the channel means includes separate channels to each of the four reservoirs, the emitter heads including two primary orifices and two secondary orifices, the primary orifices each directing a gas stream downward into the two lower reservoirs while the secondary orifices are directed to the upper two reservoirs.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US00177399A US3857669A (en) | 1971-09-02 | 1971-09-02 | Catalytic heater head |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US00177399A US3857669A (en) | 1971-09-02 | 1971-09-02 | Catalytic heater head |
Publications (1)
Publication Number | Publication Date |
---|---|
US3857669A true US3857669A (en) | 1974-12-31 |
Family
ID=22648448
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US00177399A Expired - Lifetime US3857669A (en) | 1971-09-02 | 1971-09-02 | Catalytic heater head |
Country Status (1)
Country | Link |
---|---|
US (1) | US3857669A (en) |
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4257757A (en) * | 1978-06-16 | 1981-03-24 | The Garrett Corporation | Radiant combustor assembly |
FR2524122A1 (en) * | 1982-03-29 | 1983-09-30 | Applic Catalytiq Ste Lyon | BURNER FOR CATALYSIS HEATING APPARATUS |
US4599066A (en) * | 1984-02-16 | 1986-07-08 | A. O. Smith Corp. | Radiant energy burner |
US4850859A (en) * | 1988-09-30 | 1989-07-25 | United Technologies Corporation | Liquid fueled hydrogen heater |
US5161965A (en) * | 1990-01-31 | 1992-11-10 | Nippon Kokan Kabushiki Kaisha | Surface combustion burner |
US5165887A (en) * | 1991-09-23 | 1992-11-24 | Solaronics | Burner element of woven ceramic fiber, and infrared heater for fluid immersion apparatus including the same |
US5224856A (en) * | 1990-01-31 | 1993-07-06 | Nippon Kokan Kabushiki Kaisha | Surface combustion burner |
US5281130A (en) * | 1986-07-11 | 1994-01-25 | Lebaigue Research Limited | Domestic gas fires |
US5326257A (en) * | 1992-10-21 | 1994-07-05 | Maxon Corporation | Gas-fired radiant burner |
WO2000048429A2 (en) * | 1999-02-11 | 2000-08-17 | Marsden, Inc. | Infrared heater and components thereof |
US6244856B1 (en) * | 1996-08-20 | 2001-06-12 | Interotex Limited | Burner assemblies |
US20050008551A1 (en) * | 2003-07-08 | 2005-01-13 | Mckay Randy | Heat exchanger device |
US20070006865A1 (en) * | 2003-02-21 | 2007-01-11 | Wiker John H | Self-cleaning oven |
US20090053664A1 (en) * | 2007-08-23 | 2009-02-26 | Csps Metal Company Ltd. | Catalytic patio heater |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3073379A (en) * | 1959-05-11 | 1963-01-15 | Maywick Appliances Ltd | Gas operated heaters |
US3229680A (en) * | 1964-04-08 | 1966-01-18 | Universal Oil Prod Co | Portable infra-red spot heater |
US3407023A (en) * | 1967-01-05 | 1968-10-22 | Eclipse Fuel Eng Co | Mounting for replaceable gas burner |
US3441359A (en) * | 1967-04-26 | 1969-04-29 | Engelhard Ind Inc | Catalytic radiant heater |
US3664591A (en) * | 1970-08-19 | 1972-05-23 | Harper Wyman Co | Burner |
-
1971
- 1971-09-02 US US00177399A patent/US3857669A/en not_active Expired - Lifetime
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3073379A (en) * | 1959-05-11 | 1963-01-15 | Maywick Appliances Ltd | Gas operated heaters |
US3229680A (en) * | 1964-04-08 | 1966-01-18 | Universal Oil Prod Co | Portable infra-red spot heater |
US3407023A (en) * | 1967-01-05 | 1968-10-22 | Eclipse Fuel Eng Co | Mounting for replaceable gas burner |
US3441359A (en) * | 1967-04-26 | 1969-04-29 | Engelhard Ind Inc | Catalytic radiant heater |
US3664591A (en) * | 1970-08-19 | 1972-05-23 | Harper Wyman Co | Burner |
Cited By (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4257757A (en) * | 1978-06-16 | 1981-03-24 | The Garrett Corporation | Radiant combustor assembly |
FR2524122A1 (en) * | 1982-03-29 | 1983-09-30 | Applic Catalytiq Ste Lyon | BURNER FOR CATALYSIS HEATING APPARATUS |
EP0090745A1 (en) * | 1982-03-29 | 1983-10-05 | Societe Lyonnaise Des Applications Catalytiques | Burner for a catalytic heater |
US4599066A (en) * | 1984-02-16 | 1986-07-08 | A. O. Smith Corp. | Radiant energy burner |
US5281130A (en) * | 1986-07-11 | 1994-01-25 | Lebaigue Research Limited | Domestic gas fires |
US4850859A (en) * | 1988-09-30 | 1989-07-25 | United Technologies Corporation | Liquid fueled hydrogen heater |
US5161965A (en) * | 1990-01-31 | 1992-11-10 | Nippon Kokan Kabushiki Kaisha | Surface combustion burner |
US5224856A (en) * | 1990-01-31 | 1993-07-06 | Nippon Kokan Kabushiki Kaisha | Surface combustion burner |
US5165887A (en) * | 1991-09-23 | 1992-11-24 | Solaronics | Burner element of woven ceramic fiber, and infrared heater for fluid immersion apparatus including the same |
US5326257A (en) * | 1992-10-21 | 1994-07-05 | Maxon Corporation | Gas-fired radiant burner |
US6244856B1 (en) * | 1996-08-20 | 2001-06-12 | Interotex Limited | Burner assemblies |
WO2000048429A2 (en) * | 1999-02-11 | 2000-08-17 | Marsden, Inc. | Infrared heater and components thereof |
US6190162B1 (en) * | 1999-02-11 | 2001-02-20 | Marsden, Inc. | Infrared heater and components thereof |
WO2000048429A3 (en) * | 1999-02-11 | 2000-12-21 | Marsden Inc | Infrared heater and components thereof |
US20070006865A1 (en) * | 2003-02-21 | 2007-01-11 | Wiker John H | Self-cleaning oven |
US20090223503A1 (en) * | 2003-02-21 | 2009-09-10 | Wiker John H | Self-cleaning oven |
US8413646B2 (en) | 2003-02-21 | 2013-04-09 | Middleby Corporation | Self-cleaning oven |
US10024548B2 (en) | 2003-02-21 | 2018-07-17 | The Middleby Corporation | Self-cleaning oven |
US10036558B2 (en) | 2003-02-21 | 2018-07-31 | The Middleby Corporation | Self-cleaning oven |
US20050008551A1 (en) * | 2003-07-08 | 2005-01-13 | Mckay Randy | Heat exchanger device |
US7138093B2 (en) * | 2003-07-08 | 2006-11-21 | Mckay Randy | Heat exchanger device |
US20090053664A1 (en) * | 2007-08-23 | 2009-02-26 | Csps Metal Company Ltd. | Catalytic patio heater |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US3857669A (en) | Catalytic heater head | |
US4410139A (en) | Liquid nebulizer | |
US3258058A (en) | Radiant gas burners | |
GB1431603A (en) | Forming non-woven fibrous material | |
US3817689A (en) | Gas burner having lateral openings and a device for deflecting the flames upwards | |
US3890935A (en) | Heat exchange apparatus with gas chamber below heat exchange bed | |
US5791893A (en) | Burner with ceramic insert | |
GB1564434A (en) | Burners | |
US3630649A (en) | Shrouded gas burners and jets therefor | |
US3488137A (en) | Infrared gas burner with flashback prevention arrangement | |
CA2104157C (en) | Fuel fired burners | |
CN100472133C (en) | Triple crown gas burner | |
US2072048A (en) | leonard | |
KR890006283A (en) | Web processing unit | |
CA1140452A (en) | Liquid-fuel pot burner | |
EP0605645A1 (en) | Method and installation for the combustion of a gas mixture. | |
US2591263A (en) | Grid gas burner | |
US3973757A (en) | Silo for mixing and homogenizing bulk material | |
US2490267A (en) | Pilot stabilizer for pot type oil burners | |
JP2680626B2 (en) | heater | |
US3333775A (en) | Bunsen burner | |
US1815176A (en) | Jose palahi atjteb | |
US3119438A (en) | Liquid fuel burners | |
JPS5852444Y2 (en) | hot air heater | |
JPS5849455Y2 (en) | Gas burner used for glass work etc. |