WO2006044866B1 - Devices for high voltage ignition of combustible gas - Google Patents
Devices for high voltage ignition of combustible gasInfo
- Publication number
- WO2006044866B1 WO2006044866B1 PCT/US2005/037386 US2005037386W WO2006044866B1 WO 2006044866 B1 WO2006044866 B1 WO 2006044866B1 US 2005037386 W US2005037386 W US 2005037386W WO 2006044866 B1 WO2006044866 B1 WO 2006044866B1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- combustible gas
- igniter
- gas
- spark
- electrode
- Prior art date
Links
- 239000007789 gas Substances 0.000 claims 92
- 238000000034 method Methods 0.000 claims 27
- 239000002184 metal Substances 0.000 claims 23
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims 8
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 claims 8
- 238000002485 combustion reaction Methods 0.000 claims 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims 6
- 239000004215 Carbon black (E152) Substances 0.000 claims 5
- 239000004020 conductor Substances 0.000 claims 5
- 229930195733 hydrocarbon Natural products 0.000 claims 5
- 150000002430 hydrocarbons Chemical class 0.000 claims 5
- VBUBYMVULIMEHR-UHFFFAOYSA-N propa-1,2-diene;prop-1-yne Chemical compound CC#C.C=C=C VBUBYMVULIMEHR-UHFFFAOYSA-N 0.000 claims 5
- 239000010409 thin film Substances 0.000 claims 5
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 claims 4
- 229910021529 ammonia Inorganic materials 0.000 claims 4
- 239000013078 crystal Substances 0.000 claims 4
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 claims 4
- 239000001294 propane Substances 0.000 claims 4
- 239000000919 ceramic Substances 0.000 claims 3
- 239000000567 combustion gas Substances 0.000 claims 3
- 239000003989 dielectric material Substances 0.000 claims 3
- 229910052757 nitrogen Inorganic materials 0.000 claims 3
- 238000000576 coating method Methods 0.000 claims 2
- 230000000994 depressogenic effect Effects 0.000 claims 2
- 239000002283 diesel fuel Substances 0.000 claims 2
- 238000004146 energy storage Methods 0.000 claims 2
- 239000003502 gasoline Substances 0.000 claims 2
- 239000000463 material Substances 0.000 claims 2
- 239000007769 metal material Substances 0.000 claims 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims 2
- 239000003595 mist Substances 0.000 claims 2
- 239000000203 mixture Substances 0.000 claims 2
- 239000004033 plastic Substances 0.000 claims 2
- 239000004677 Nylon Substances 0.000 claims 1
- 230000004913 activation Effects 0.000 claims 1
- 239000000853 adhesive Substances 0.000 claims 1
- 230000001070 adhesive effect Effects 0.000 claims 1
- 238000010009 beating Methods 0.000 claims 1
- 239000011248 coating agent Substances 0.000 claims 1
- 230000009514 concussion Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 claims 1
- 239000012811 non-conductive material Substances 0.000 claims 1
- 229920001778 nylon Polymers 0.000 claims 1
- 238000005381 potential energy Methods 0.000 claims 1
- 239000005060 rubber Substances 0.000 claims 1
- 239000004576 sand Substances 0.000 claims 1
- 239000000126 substance Substances 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23Q—IGNITION; EXTINGUISHING-DEVICES
- F23Q3/00—Igniters using electrically-produced sparks
- F23Q3/002—Igniters using electrically-produced sparks using piezoelectric elements
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Lighters Containing Fuel (AREA)
- Air Bags (AREA)
- Portable Nailing Machines And Staplers (AREA)
Abstract
High voltage gas igniters are described, including a hand held portable gas torch igniter of the piezoelectric-type which includes a finger grip housing body actuated by inward depression of the push button igniter to generate a spark-producing voltage when held near the combustible gas exiting the bum tube of a torch or combustible gas exit of a heating device. The igniter has a tube electrode for easy construction, and deflector shield for user protection and gas mixing. Other igniters have multiple spark gaps for increased effective spark length.
Claims
1. A combustible gas igniter comprising: a.) a piezoelectric spark generator; b.) a first electrode, c.) a generally tubular second electrode, having opposing first and second ends and a longitudinal axis, wherein the first electrode is located on the longitudinal axis of the tubular second electrode, the second electrode extending beyond the first electrode, along the axis in the direction of the first end and in the direction of the second end, and the first end is open to the first electrode, and d.) a combustion zone between the first electrode and the second electrode.
2. The igniter of claim 1 wherein the spark generator is located partially within the second end and encloses the second end.
3. The igniter of claim 1 further comprising a one-handed finger grip and pushbutton to hold the second electrode and to activate the spark generator.
4. The igniter of claim 1 further comprising a deflecting shield to direct combustion gases away from a user of the igniter.
5. The igniter of claim 1 further comprising a deflecting shield at the first end of the second electrode to allow proper mixing of gas and air hi the combustion zone.
6. The igniter of claim 4 shield extends asymmetrically from the first end of the tubular electrode parallel with the longitudinal axis to allow access to the combustion zone by a stream of incoming gas and to allow exit of combustion gases away from the user.
7. The igniter of claim 1 wherein the first end of the second electrode opens at an angle to the axis to provide a deflecting shield for directing combustion gases away from a user 8. A portable combustible gas handheld torch igniter comprising fmger-grip and conducting metal tube electrode as outer housing body, said outer housing body containing inner housing case of impact type piezoelectric spark generator, said impact type piezoelectric spark generator having push button plunger depressed in direction of longitudinal axis of impact type piezoelectric spark generator inner housing case and outer housing body and movable relative to its piezoelectric
24 generator ifMer n'ousm'g1 cas'e and outer housing body, said impact type piezoelectric spark generator push button depression to generate a spark-producing voltage force with resulting spark occurring at spark gap between terminal electrode of impact type piezoelectric generator and conducting metal tube electrode near open end of conducting metal tube electrode housing body, said spark between terminal impact type piezoelectric electrode and conducting metal tube housing body near open end of conducting metal tube housing body causing ignition of combustible gas within spark gap near open end of conducting metal tube electrode housing body, said ignition taking place when open end of conducting metal tube electrode housing body of igniter is actuated upon or near exit end of burn tube following opening of burn tube control valve , said ignition of combustible gas at spark gap with resulting flame transferred to the exit end of the burn tube having open control valve of the hand held torch.
9. A method and process wherein a piezoelectric generated pulse and current will cause ignition of a combustible gas or mixture of combustible gases with greater frequency and efficiency, said electrical pulse and current traversing a series of multiple spark gaps, said spark gaps containing a combustible gas resulting in ignition of said combustible gas, and also, by causing ignition of a combustible gas or mixture of gases with greater frequency and efficiency by increasing the length of the spark gap within a combustible gas, said increased spark gap length significantly increasing the surface exposure area of said combustible gas, thereby increasing the frequency of ignition; both methods and processes of piezoelectric ignition more fully described herein as: a.) the piezoelectric spark generator effectiveness, when igniting a combustible gas, is enhanced by having the flow of piezoelectrical current passing through multiple spark gaps, said piezoelectric current and sparks produced are from a voltage capable of arcing the gaps of a series of interrupted conducting material or materials to the opposite pole of the piezoelectric generator, said multiple sparks being produced by a voltage capable of arcing between all interrupted conducting material or materials having gaps on the surface of a dielectric material, said multiple spark gaps allowing multiple locations for interacting with and causing combustion of a combustible gas on or near the surface of a combustion chamber; ■'■b.J-tύ-M's'ό'increa'sd'thi'effέStive spark gap length of the piezoelectric produced current by using a conductive thin firm electrode where the resistance of the thin film electrode allows only partial conductivity of a conducting path wherein remainder of electric current arcs on or near said thin film conducting electrode path, said path allowing either controlled or uncontrolled direction of a conducting current and arcing on or near the conducting firm electrode path, said thin film conducting electrode path being in contact with a dielectric material, said thin film conducting path corona or arc to interact with a combustible gas on or near the surface of a combustion chamber, and to also c.) include within this method and process a piezoelectric ignition device wherein a combination of clusters of multiple spark gaps, as in a.), and thin film conducting electrode paths placed upon a dielectric material, as in b.), may jointly allow a functionally acting ignition method and process for a combustible gas on or near the surface of a combustion chamber.
10. A portable combustible gas handheld torch igniter as defined in claim 8, wherein the finger-grip assembly and conducting metal tube electrode are electrically insulated with non conductive coatings or materials that are non conductive.
11. A portable combustible gas handheld torch igniter as defined in claim 8, wherein the finger-grip assembly is made of non-conductive materials such as plastic, rubber, nylon, or other non-electrically conductive materials.
12. A portable combustible gas handheld torch igniter as defined in claim 8, wherein the terminal impact type piezoelectric electrode is connected to or protected by a heat resistant ceramic shield or material such as a coating of sand or other heat resistant or thermal insulating substance or combination thereof, in such a manner as to protect exposed plastic of the impact type piezoelectric spark generator inner housing case near the terminal impact type piezoelectric electrode from the effects of the ignited flame and heat or conducting wire that may lead to ceramic shield or combination thereof, said conducting wire being connected to terminal impact type piezoelectric electrode allowing outer conducting metal tube electrode housing body to be extended.
13. A portable combustible gas handheld torch igniter as defined in claim 8, wherein said impact type piezoelectric spark generator having push button plunger depressed in direction of longitudinal axis of impact type piezoelectric spark generator inner
26 housing case and housing body and movable relative to its inner housing case and housing body exerts a force within piezoelectric spark generator on first electrical contact that is transferred directly to the piezoelectric pulse generating crystal,
14. A portable combustible gas handheld torch igniter as defined in claim 13, wherein a hammer for striking said first electrical contact with a force required to generate said electrical pulse and spark.
15. A portable combustible gas handheld torch igniter as defined in claim 13, wherein a return spring is provided for returning said hammer to an initial position away from said first electrical contact, said hammer defining a first extended portion configured to be received within said return spring.
16. A portable combustible gas handheld torch igniter as defined in claim 13, wherein an energy storage spring for storing potential energy which is released to propel said hammer toward said first electrical contact, said hammer further defining a second extended portion configured to be received within said energy storage spring,
17. A portable combustible gas handheld torch igniter as defined in claim 13, wherein said impact type piezoelectric spark generator comprising a crystal receptacle carried within said inner housing case for secureJtnent of said crystal and said first and second electrical contacts, said crystal receptacle defining a shoulder on which a collar defined by said hammer rests prior to activation of the device.
18. A portable combustible gas handheld torch igniter as defined in claim 17, wherein said impact type piezoelectric spark generator hammer collar defines a distal surface sloped away from said second extended portion in order to assist in disengaging said hammer from said shoulder.
19. A portable combustible gas handheld torch igniter as defined in claim S, wherein said impact type piezoelectric spark generated ignition efficacy is enhanced by multiple spark gaps,
20. A portable combustible gas handheld torch igniter as defined in claim S, wherein said impact type piezoelectric spark generated efficacy is enhanced by increasing the spark gap length.
21. A method and process as described in claim 9, wherein said spark may ignite a beating device, such as a combustible gas water heater, stove, or furnace.
27
22. A portable combustible gas handheld torch igniter as defined in claim 8, wherein said impact type piezoelectric spark igniter having a geometric portion of the electrical conducting tubular metal material, along the open end of the longitudinal axis of said tubular metal, is removed so that combustible gas escaping nozzle of torch will deflect off of that portion of tubular metal not removed along this same longitudinal axis of tubular metal in such a manner as to allow a 90 degree ignition of said combustible gas,
23. The method and process of claim 9, wherein said impact type piezoelectric spark igniter having a geometric portion of the electrical conducting tubular metal along the open end of the longitudinal axis of said tubular metal is removed so that combustible gas escaping nozzle of torch will deflect off of that portion of tubular metal not removed along this same longitudinal axis of tubular metal in such a manner as to allow a 90 degree ignition of said combustible gas.
24. A portable combustible gas handheld torch igniter as defined in claim 8, wherein the combustible gas is propane.
25. A portable combustible gas handheld torch igniter as defined in claim 8, wherein the combustible gas is acetylene.
26. A portable combustible gas handheld torch igniter as defined in claim 8, wherein the combustible gas is methylacβtylene-propadieπe or MAPP gas.
27. A portable combustible gas handheld torch igniter as defined in claim 8, wherein the combustible gas is propane, acetylene, MAPP or combination thereof.
28. A portable combustible gas handheld torch igniter as defined in claim 8, wherein the combustible gas is a volatile hydrocarbon gas, such as methane.
29. The method and process of claim 9, wherein the combustible gas is propane.
30. The method and process of claim 9, wherein the combustible gas is acetylene.
31. The method and process of claim 9, wherein the combustible gas is methylacetylene- propadiene or MAPP gas.
32, The method and process of claim 9, wherein the combustible gas is propane, acetylene, MAPP or combination thereof.
28
33. A portable combustible gas handheld torch igniter as defined in claim 8, wherein the combustible gas is a volatile hydrocarbon gas.
34. The method and process of claim 9, wherein the combustible gas is a volatile hydrocarbon gas.
35. A portable combustible gas handheld torch igniter as defined in claim 8, wherein the combustible gas is a volatile nitrogen-based gas, such as ammonia.
36. A portable combustible gas handheld torch igniter as defined in claim 8, wherein the combustible gas is a volatile hydrocarbon mist, such as atomized gasoline or diesel fuel, and nitrogen-based gas, such as ammonia,
37. A portable combustible gas handheld torch igniter as defined in claim 8, wherein the combustible gas has low flammability properties.
38, A portable combustible gas handheld torch igniter as defined in claim 8, wherein the second electrical contact is separated from a heat resistant ceramic shield by a concussion absorbing adhesive.
39. A gas igniter for use with a gas burner having a tubular gas orifice from which gas flows, the igniter comprising: a. an annular ring dimensioned to surround the tubular gas orifice such that gas flowing from the orifice is directed over the ring, wherein the ring comprises multiple spark gaps projecting from a top surface of the ring, and b, connectors for connection to a source of high voltage such that the multiple spark gaps are above the top surface of the ring over which the gas flows.
40, A gas igniter for use with a gas burner from which gas flows, the igniter comprising: a, a block including multiple spark gaps projecting from an exterior surface of the block, b. a block mount for mounting the block near the gas burner such that gas flowing from the burner is directed over the block, and c. connectors for connection to a source of high voltage such that the multiple spark gaps are adjacent to the exterior surface of the block over which the gas flows.
29
41. A portable combustible gas handheld torch igniter as defined in claim 1, wherein said impact type piezoelectric spark generated ignition efficacy is enhanced by multiple spark gaps,
42. A portable combustible gas handheld torch igniter as defined in claim 1, wherein said impact type piezoelectric spark generated efficacy is enhanced by increasing the spark gap length.
43. A portable combustible gas handheld torch igniter as defined in claim 1, wherein said impact type piezoelectric spark igniter having a geometric portion of the electrical conducting tubular metal material,, along the open end of the longitudinal axis of said tubular metal, is removed so that combustible gas escaping nozzle of torch will deflect off of that portion of tubular metal not removed along this same longitudinal axis of tubular metal in such a manner as to allow a 90 degree ignition of said combustible gas.
44. A portable combustible gas handheld torch igniter as defined in claim 1 , wherein said impact type piezoelectric spark igniter having a geometric portion of the electrical conducting tubular metal along the open end of the longitudinal axis of said tubular metal is removed so that combustible gas escaping nozzle of torch will deflect off of that portion of tubular metal not removed along this same longitudinal axis of tubular metal in such a manner as to allow a 90 degree ignition of said combustible gas.
45. The method and process of claim 9, wherein the combustible gas is a volatile nitrogen- based gas, such as ammonia.
46. The method and process of claim 9, wherein the combustible gas is a volatile hydrocarbon mist, such as atomized gasoline or diesel fuel, and nitrogen-based gas, such as ammonia.
47. The method and process of claim 9, wherein the combustible gas has low flammability properties.
30
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11/665,763 US20080248435A1 (en) | 2004-10-19 | 2005-10-19 | Devices For High Voltage Ignition of Combustible Gas |
| CA002584693A CA2584693A1 (en) | 2004-10-19 | 2005-10-19 | Devices for high voltage ignition of combustible gas |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US61996804P | 2004-10-19 | 2004-10-19 | |
| US60/619,968 | 2004-10-19 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| WO2006044866A2 WO2006044866A2 (en) | 2006-04-27 |
| WO2006044866A3 WO2006044866A3 (en) | 2006-10-05 |
| WO2006044866B1 true WO2006044866B1 (en) | 2006-11-23 |
Family
ID=36203657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/US2005/037386 WO2006044866A2 (en) | 2004-10-19 | 2005-10-19 | Devices for high voltage ignition of combustible gas |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US20080248435A1 (en) |
| CA (1) | CA2584693A1 (en) |
| WO (1) | WO2006044866A2 (en) |
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|---|---|---|---|---|
| WO2006044866A2 (en) * | 2004-10-19 | 2006-04-27 | Earthcraft, Llc | Devices for high voltage ignition of combustible gas |
| US20080160470A1 (en) * | 2006-12-01 | 2008-07-03 | Mark Holtan | Igniter for furnace |
| US8609020B2 (en) | 2010-08-03 | 2013-12-17 | Victor Equipment Company | Gas cutting tip with improved flow passage |
| US8568651B2 (en) | 2010-08-03 | 2013-10-29 | Victor Equipment Company | Mixer for a gas cutting torch |
| US9285120B2 (en) | 2012-10-06 | 2016-03-15 | Coorstek, Inc. | Igniter shield device and methods associated therewith |
| US10267537B2 (en) * | 2015-04-29 | 2019-04-23 | Erskin Johnson, SR. | Dual energy electric and gas water heater with igniter shutoff circuit |
| DE102019107238A1 (en) * | 2019-03-21 | 2020-09-24 | Relyon Plasma Gmbh | Device and component for generating a high voltage or high field strength |
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-
2005
- 2005-10-19 WO PCT/US2005/037386 patent/WO2006044866A2/en active Application Filing
- 2005-10-19 CA CA002584693A patent/CA2584693A1/en not_active Abandoned
- 2005-10-19 US US11/665,763 patent/US20080248435A1/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| US20080248435A1 (en) | 2008-10-09 |
| WO2006044866A2 (en) | 2006-04-27 |
| WO2006044866A3 (en) | 2006-10-05 |
| CA2584693A1 (en) | 2006-04-27 |
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