US20140272738A1 - Burner igniting system for gas stove - Google Patents
Burner igniting system for gas stove Download PDFInfo
- Publication number
- US20140272738A1 US20140272738A1 US13/802,946 US201313802946A US2014272738A1 US 20140272738 A1 US20140272738 A1 US 20140272738A1 US 201313802946 A US201313802946 A US 201313802946A US 2014272738 A1 US2014272738 A1 US 2014272738A1
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- US
- United States
- Prior art keywords
- burner
- igniting
- mcu
- circuit
- sensing
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N5/00—Systems for controlling combustion
- F23N5/02—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium
- F23N5/12—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium using ionisation-sensitive elements, i.e. flame rods
- F23N5/123—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium using ionisation-sensitive elements, i.e. flame rods using electronic means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N2227/00—Ignition or checking
- F23N2227/28—Ignition circuits
- F23N2227/30—Ignition circuits for pilot burners
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N2227/00—Ignition or checking
- F23N2227/36—Spark ignition, e.g. by means of a high voltage
Definitions
- the present invention relates to a burner igniting system for a gas stove, and more particularly to a burner igniting system for a gas stove including a simplified structure or configuration having fewer parts or elements for effectively igniting the burner of the gas stove and for preventing the burner igniting system from being easily damaged.
- Typical igniting systems for igniting the burner of the gas stove comprise a spark generating circuit to produce sparks for igniting gas burners and a plurality of electrodes which are connected with the spark generating circuit for the ignition of the gas burners, a flame sensor circuit is operated in a first period for producing sparks, through of the electrodes, and in a second period and once the gas burner has been ignited, for sensing the presence of flame on each gas burner, and a reestablishing circuit, a current sensor circuit and control means are connected for generating first activation signals for the ignition of the burner, for monitoring the presence of flame on the burner and for emitting first sound signals to indicate that the burner has been ignited and, if no presence of flame is detected on the burner, for generating second activation signals for re-igniting the burner until that a maximum time for the ignition of the burner has been exceed.
- U.S. Pat. No. 6,280,180 to Fredin-Garcia-Jurado et al. discloses one of the typical igniting systems for igniting the burner of the gas stove and also comprising a spark generating circuit to produce sparks for igniting gas burners, and a flame sensor circuit and a current sensor circuit are further required to be provided for sensing or detecting the flame and the current respectively.
- the typical igniting system includes a complicated structure or configuration that may include a complicated making or manufacturing procedure and that is required to be made or manufactured by specialized persons, and that may include a greatly increased manufacturing cost.
- the present invention has arisen to mitigate and/or obviate the afore-described disadvantages of the conventional burner igniting systems for gas stoves.
- the primary objective of the present invention is to provide a burner igniting system for a gas stove including a simplified structure or configuration having fewer parts or elements for effectively igniting the burner of the gas stove and for preventing the burner igniting system from being easily damaged.
- a burner igniting system comprising a base plate disposed in a gas stove, a burner disposed in the gas stove, a pilot light disposed on the base plate for supplying a flame to the burner, an igniting and sensing device disposed on the base plate for igniting the pilot light and for sensing a presence of flame on the pilot light, and a control device including a first processing device (MCU 1), a second processing device (MCU 2), at least one third processing device (MCU n), a high voltage circuit electrically connected the first and the second and the third processing devices (MCU 1-n) for being actuated and operated by the first and the second and the third processing devices (MCU 1-n), and the first and the second and the third processing devices (MCU 1-n) and the high voltage circuit being electrically connected to the igniting and sensing device for actuating the igniting and sensing device to selectively ignite the burner with the pilot light.
- MCU 1 first processing device
- MCU 2 second processing device
- the control device includes a voltage sensing circuit electrically connected to the high voltage circuit for sensing a voltage in the control device.
- the control device includes a comparator electrically connected to the voltage sensing circuit and the high voltage circuit for sending a compared signal to the processing devices.
- the control device includes an ignition detecting circuit electrically connected to the first and the second and the third processing devices (MCU 1-n) for detecting whether the burner has been ignited or not.
- the ignition detecting circuit may be selected from a trigger diode.
- the control device includes a timer electrically connected to the high voltage circuit and the ignition detecting circuit and the first and the second and the third processing devices (MCU 1-n) for determining a time period that the burner has not been successfully ignited.
- FIG. 1 is a partial perspective view of a burner igniting system in accordance with the present invention
- FIG. 2 is a plan schematic view illustrating the circuit and/or the parts or elements of the burner igniting system
- FIG. 3 is a flow chart illustrating the operation of the burner igniting system.
- a burner igniting system in accordance with the present invention comprises a platform or base plate 10 disposed or attached or mounted or secured in a gas stove 80 , in which the other parts or portions of the gas stove 80 are typical and are not related to the present invention and will not be described in further details and have not been shown or illustrated, a burner 20 disposed or attached or mounted or secured in the gas stove 80 , a pilot light 21 disposed or attached or mounted or secured on the base plate 10 for supplying a flame to the burner 20 , and an igniting and sensing device 22 also disposed or attached or mounted or secured on the base plate 10 for igniting the pilot light 21 and for sensing the presence of flame on the pilot light 21 . It is to be noted that only the igniting and sensing device 22 is required to be provided for both igniting the pilot light 21 and sensing the presence of flame on the pilot light 21 .
- the burner igniting system further includes a control circuit or device 3 having a first control or treating or processing unit or device (MCU 1) 31 , a second control or treating or processing unit or device (MCU 2) 32 , . . . and an nth control or treating or processing unit or device (MCU n) 33 , a high voltage circuit 34 electrically connected or coupled to the processing devices (MCU 1) 31 , (MCU 2) 32 , . . . (MCU n) 33 for being actuated or operated by the processing devices (MCU 1-n) 31 - 33 , and the processing devices (MCU 1) 31 , (MCU 2) 32 , . . . (MCU n) 33 and/or the high voltage circuit 34 are electrically connected or coupled to the igniting and sensing device 22 for actuating or operating the igniting and sensing device 22 to selectively ignite the burner 20 with the pilot light 21 .
- MCU 1 first control or treating or processing unit or device
- MCU 2 second control or
- the control circuit or device 3 further includes a voltage sensing circuit 35 electrically connected or coupled to the high voltage circuit 34 ( FIGS. 1 , 3 ) for sensing or detecting the voltage in the circuit of the control device 3 , and a flame or ignition sensing or ignition detecting circuit 36 electrically connected or coupled to the processing devices (MCU 1-n) 31 - 33 for sensing or detecting or determining whether the pilot light 21 and/or the burner 20 has been actuated or operated or ignited or not, and/or for sensing or detecting whether the flame in the pilot light 21 and/or the burner 20 is existed or distinguished or not.
- the ignition detecting circuit 36 may be selected from a gaseous discharge tube, a trigger diode or the like.
- the processing devices (MCU 1) 31 , (MCU 2) 32 , . . . (MCU n) 33 are electrically connected or coupled to the high voltage circuit 34 which is electrically connected or coupled to the voltage sensing circuit 35 , the voltages or signals generated by the high voltage circuit 34 and/or the voltage sensing circuit 35 may further be sent to the processing devices (MCU 1-n) 31 - 33 in order to actuate or operate the igniting and sensing device 22 to selectively ignite the burner 20 with the pilot light 21 , either with the processing devices (MCU 1-n) 31 - 33 or the high voltage circuit 34 or the voltage sensing circuit 35 .
- the ignition detecting circuit 36 may then be used to sense or detect whether the pilot light 21 and/or the burner 20 has been actuated or operated or ignited or not.
- the voltage sensing circuit 35 may sense or detect a high voltage signal or a low impedance; and may sense or detect a low voltage signal or a high impedance when the pilot light 21 and/or the burner 20 has not been actuated or operated or ignited, and the sensed or detected signals may be sent from the voltage sensing circuit 35 and/or the high voltage circuit 34 to the processing devices (MCU 1-n) 31 - 33 in order to determine or confirm that the pilot light 21 and/or the burner 20 has been successfully actuated or operated or ignited.
- the high voltage signal sensed or detected by the high voltage circuit 34 and/or the voltage sensing circuit 35 may be rectified and sent to a comparator 37 ( FIG. 2 ) which is electrically connected or coupled to the voltage sensing circuit 35 and/or the high voltage circuit 34 and which may send the compared signal to the processing devices (MCU 1-n) 31 - 33 .
- the sensed or detected signals may also be sent from the voltage sensing circuit 35 and/or the high voltage circuit 34 to the processing devices (MCU 1-n) 31 - 33 which may then actuate or operate the voltage sensing circuit 35 and/or the high voltage circuit 34 again in order to continuously actuate or operate the voltage sensing circuit 35 and/or the high voltage circuit 34 and to actuate or operate the igniting and sensing device 22 to selectively ignite the burner 20 with the pilot light 21 .
- a timer 40 is further provided and electrically connected or coupled to the high voltage circuit 34 and the ignition detecting circuit 36 and/or the processing devices (MCU 1-n) 31 - 33 for determining a time period that the pilot light 21 and/or the burner 20 has not been successfully actuated or operated or ignited; i.e., once the ignition detecting circuit 36 has determined that the pilot light 21 and/or the burner 20 has not been successfully actuated or operated or ignited, the timer 40 may start to count down and to determine a time period and may send the time period signal to the high voltage circuit 34 and/or the processing devices (MCU 1-n) 31 - 33 so as to actuate or operate the igniting and sensing device 22 to selectively ignite the burner 20 with the pilot light 21 again after the time period.
- the processing devices (MCU 1-n) 31 - 33 may shut off the voltage sensing circuit 35 and/or the high voltage circuit 34 and/or the igniting and sensing device 22 in the process 41 , and to determine that the igniting and sensing device 22 may not be successfully actuated or operated or ignited in the process 42 , and will not actuate or operate the igniting and sensing device 22 again before the igniting and sensing device 22 is checked and repaired by the users.
- the igniting and sensing device 22 is required to be provided for both igniting the pilot light 21 and sensing the presence of flame on the pilot light 21 , and the igniting and sensing device 22 may be controlled or actuated or operated by the processing devices (MCU 1-n) 31 - 33 and/or the high voltage circuit 34 and/or the voltage sensing circuit 35 .
- the burner igniting system in accordance with the present invention for the gas stove includes a simplified structure or configuration having fewer parts or elements for effectively igniting the burner of the gas stove and for preventing the burner igniting system from being easily damaged.
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Regulation And Control Of Combustion (AREA)
Abstract
A burner igniting system includes a burner disposed in a gas stove, a pilot light disposed in the gas stove for supplying a flame to the burner, an igniting and sensing device disposed in the gas stove for igniting the pilot light and for sensing a presence of flame on the pilot light, and a control device includes two or more processing devices (MCU 1-n), a high voltage circuit electrically connected the processing devices (MCU 1-n) for being actuated by the processing devices (MCU 1-n), and the processing devices (MCU 1-n) and the high voltage circuit are electrically connected to the igniting and sensing device for actuating the igniting and sensing device to selectively ignite the burner with the pilot light.
Description
- 1. Field of the Invention
- The present invention relates to a burner igniting system for a gas stove, and more particularly to a burner igniting system for a gas stove including a simplified structure or configuration having fewer parts or elements for effectively igniting the burner of the gas stove and for preventing the burner igniting system from being easily damaged.
- 2. Description of the Prior Art
- Typical igniting systems for igniting the burner of the gas stove comprise a spark generating circuit to produce sparks for igniting gas burners and a plurality of electrodes which are connected with the spark generating circuit for the ignition of the gas burners, a flame sensor circuit is operated in a first period for producing sparks, through of the electrodes, and in a second period and once the gas burner has been ignited, for sensing the presence of flame on each gas burner, and a reestablishing circuit, a current sensor circuit and control means are connected for generating first activation signals for the ignition of the burner, for monitoring the presence of flame on the burner and for emitting first sound signals to indicate that the burner has been ignited and, if no presence of flame is detected on the burner, for generating second activation signals for re-igniting the burner until that a maximum time for the ignition of the burner has been exceed.
- For example, U.S. Pat. No. 6,280,180 to Fredin-Garcia-Jurado et al. discloses one of the typical igniting systems for igniting the burner of the gas stove and also comprising a spark generating circuit to produce sparks for igniting gas burners, and a flame sensor circuit and a current sensor circuit are further required to be provided for sensing or detecting the flame and the current respectively.
- However, the typical igniting system includes a complicated structure or configuration that may include a complicated making or manufacturing procedure and that is required to be made or manufactured by specialized persons, and that may include a greatly increased manufacturing cost.
- The present invention has arisen to mitigate and/or obviate the afore-described disadvantages of the conventional burner igniting systems for gas stoves.
- The primary objective of the present invention is to provide a burner igniting system for a gas stove including a simplified structure or configuration having fewer parts or elements for effectively igniting the burner of the gas stove and for preventing the burner igniting system from being easily damaged.
- In accordance with one aspect of the invention, there is provided a burner igniting system comprising a base plate disposed in a gas stove, a burner disposed in the gas stove, a pilot light disposed on the base plate for supplying a flame to the burner, an igniting and sensing device disposed on the base plate for igniting the pilot light and for sensing a presence of flame on the pilot light, and a control device including a first processing device (MCU 1), a second processing device (MCU 2), at least one third processing device (MCU n), a high voltage circuit electrically connected the first and the second and the third processing devices (MCU 1-n) for being actuated and operated by the first and the second and the third processing devices (MCU 1-n), and the first and the second and the third processing devices (MCU 1-n) and the high voltage circuit being electrically connected to the igniting and sensing device for actuating the igniting and sensing device to selectively ignite the burner with the pilot light.
- The control device includes a voltage sensing circuit electrically connected to the high voltage circuit for sensing a voltage in the control device. The control device includes a comparator electrically connected to the voltage sensing circuit and the high voltage circuit for sending a compared signal to the processing devices.
- The control device includes an ignition detecting circuit electrically connected to the first and the second and the third processing devices (MCU 1-n) for detecting whether the burner has been ignited or not. The ignition detecting circuit may be selected from a trigger diode.
- The control device includes a timer electrically connected to the high voltage circuit and the ignition detecting circuit and the first and the second and the third processing devices (MCU 1-n) for determining a time period that the burner has not been successfully ignited.
- Further objectives and advantages of the present invention will become apparent from a careful reading of the detailed description provided hereinbelow, with appropriate reference to the accompanying drawings.
-
FIG. 1 is a partial perspective view of a burner igniting system in accordance with the present invention; -
FIG. 2 is a plan schematic view illustrating the circuit and/or the parts or elements of the burner igniting system; and -
FIG. 3 is a flow chart illustrating the operation of the burner igniting system. - Referring to the drawings, and initially to
FIG. 1 , a burner igniting system in accordance with the present invention comprises a platform orbase plate 10 disposed or attached or mounted or secured in agas stove 80, in which the other parts or portions of thegas stove 80 are typical and are not related to the present invention and will not be described in further details and have not been shown or illustrated, aburner 20 disposed or attached or mounted or secured in thegas stove 80, apilot light 21 disposed or attached or mounted or secured on thebase plate 10 for supplying a flame to theburner 20, and an igniting andsensing device 22 also disposed or attached or mounted or secured on thebase plate 10 for igniting thepilot light 21 and for sensing the presence of flame on thepilot light 21. It is to be noted that only the igniting andsensing device 22 is required to be provided for both igniting thepilot light 21 and sensing the presence of flame on thepilot light 21. - As shown in
FIGS. 1 and 2 , the burner igniting system further includes a control circuit ordevice 3 having a first control or treating or processing unit or device (MCU 1) 31, a second control or treating or processing unit or device (MCU 2) 32, . . . and an nth control or treating or processing unit or device (MCU n) 33, ahigh voltage circuit 34 electrically connected or coupled to the processing devices (MCU 1) 31, (MCU 2) 32, . . . (MCU n) 33 for being actuated or operated by the processing devices (MCU 1-n) 31-33, and the processing devices (MCU 1) 31, (MCU 2) 32, . . . (MCU n) 33 and/or thehigh voltage circuit 34 are electrically connected or coupled to the igniting and sensingdevice 22 for actuating or operating the igniting andsensing device 22 to selectively ignite theburner 20 with thepilot light 21. - The control circuit or
device 3 further includes avoltage sensing circuit 35 electrically connected or coupled to the high voltage circuit 34 (FIGS. 1 , 3) for sensing or detecting the voltage in the circuit of thecontrol device 3, and a flame or ignition sensing orignition detecting circuit 36 electrically connected or coupled to the processing devices (MCU 1-n) 31-33 for sensing or detecting or determining whether thepilot light 21 and/or theburner 20 has been actuated or operated or ignited or not, and/or for sensing or detecting whether the flame in thepilot light 21 and/or theburner 20 is existed or distinguished or not. Theignition detecting circuit 36 may be selected from a gaseous discharge tube, a trigger diode or the like. - In operation, as shown in
FIG. 3 , the processing devices (MCU 1) 31, (MCU 2) 32, . . . (MCU n) 33 are electrically connected or coupled to thehigh voltage circuit 34 which is electrically connected or coupled to thevoltage sensing circuit 35, the voltages or signals generated by thehigh voltage circuit 34 and/or thevoltage sensing circuit 35 may further be sent to the processing devices (MCU 1-n) 31-33 in order to actuate or operate the igniting andsensing device 22 to selectively ignite theburner 20 with thepilot light 21, either with the processing devices (MCU 1-n) 31-33 or thehigh voltage circuit 34 or thevoltage sensing circuit 35. Theignition detecting circuit 36 may then be used to sense or detect whether thepilot light 21 and/or theburner 20 has been actuated or operated or ignited or not. - For example, when the
pilot light 21 and/or theburner 20 has been actuated or operated or ignited, thevoltage sensing circuit 35 may sense or detect a high voltage signal or a low impedance; and may sense or detect a low voltage signal or a high impedance when thepilot light 21 and/or theburner 20 has not been actuated or operated or ignited, and the sensed or detected signals may be sent from thevoltage sensing circuit 35 and/or thehigh voltage circuit 34 to the processing devices (MCU 1-n) 31-33 in order to determine or confirm that thepilot light 21 and/or theburner 20 has been successfully actuated or operated or ignited. The high voltage signal sensed or detected by thehigh voltage circuit 34 and/or thevoltage sensing circuit 35 may be rectified and sent to a comparator 37 (FIG. 2 ) which is electrically connected or coupled to thevoltage sensing circuit 35 and/or thehigh voltage circuit 34 and which may send the compared signal to the processing devices (MCU 1-n) 31-33. - When the
pilot light 21 and/or theburner 20 has not been actuated or operated or ignited, the sensed or detected signals may also be sent from thevoltage sensing circuit 35 and/or thehigh voltage circuit 34 to the processing devices (MCU 1-n) 31-33 which may then actuate or operate thevoltage sensing circuit 35 and/or thehigh voltage circuit 34 again in order to continuously actuate or operate thevoltage sensing circuit 35 and/or thehigh voltage circuit 34 and to actuate or operate the igniting and sensingdevice 22 to selectively ignite theburner 20 with thepilot light 21. - A
timer 40 is further provided and electrically connected or coupled to thehigh voltage circuit 34 and theignition detecting circuit 36 and/or the processing devices (MCU 1-n) 31-33 for determining a time period that thepilot light 21 and/or theburner 20 has not been successfully actuated or operated or ignited; i.e., once theignition detecting circuit 36 has determined that thepilot light 21 and/or theburner 20 has not been successfully actuated or operated or ignited, thetimer 40 may start to count down and to determine a time period and may send the time period signal to thehigh voltage circuit 34 and/or the processing devices (MCU 1-n) 31-33 so as to actuate or operate the igniting and sensingdevice 22 to selectively ignite theburner 20 with thepilot light 21 again after the time period. - When the
pilot light 21 and/or theburner 20 has not been successfully actuated or operated or ignited for several times, such as three times, four times, five times or the like, the processing devices (MCU 1-n) 31-33 may shut off thevoltage sensing circuit 35 and/or thehigh voltage circuit 34 and/or the igniting andsensing device 22 in theprocess 41, and to determine that the igniting andsensing device 22 may not be successfully actuated or operated or ignited in theprocess 42, and will not actuate or operate the igniting and sensingdevice 22 again before the igniting and sensingdevice 22 is checked and repaired by the users. Again, it is to be noted that only the igniting andsensing device 22 is required to be provided for both igniting thepilot light 21 and sensing the presence of flame on thepilot light 21, and the igniting andsensing device 22 may be controlled or actuated or operated by the processing devices (MCU 1-n) 31-33 and/or thehigh voltage circuit 34 and/or thevoltage sensing circuit 35. - Accordingly, the burner igniting system in accordance with the present invention for the gas stove includes a simplified structure or configuration having fewer parts or elements for effectively igniting the burner of the gas stove and for preventing the burner igniting system from being easily damaged.
- Although this invention has been described with a certain degree of particularity, it is to be understood that the present disclosure has been made by way of example only and that numerous changes in the detailed construction and the combination and arrangement of parts may be resorted to without departing from the spirit and scope of the invention as hereinafter claimed.
Claims (6)
1. A burner igniting system comprising:
a base plate disposed in a gas stove,
a burner disposed in said gas stove,
a pilot light disposed on said base plate for supplying a flame to said burner,
an igniting and sensing device disposed on said base plate for igniting said pilot light and for sensing a presence of flame on said pilot light, and
a control device including a first processing device (MCU 1), a second processing device (MCU 2), at least one third processing device (MCU n), a high voltage circuit electrically connected said first and said second and said at least one third processing devices (MCU 1-n) for being actuated and operated by said first and said second and said at least one third processing devices (MCU 1-n), and said first and said second and said at least one third processing devices (MCU 1-n) and said high voltage circuit being electrically connected to said igniting and sensing device for actuating said igniting and sensing device to selectively ignite said burner with said pilot light.
2. The burner igniting system as claimed in claim 1 , wherein said control device includes a voltage sensing circuit electrically connected to said high voltage circuit for sensing a voltage in said control device.
3. The burner igniting system as claimed in claim 2 , wherein said control device includes a comparator electrically connected to said voltage sensing circuit and said high voltage circuit for sending a compared signal to said processing devices.
4. The burner igniting system as claimed in claim 1 , wherein said control device includes an ignition detecting circuit electrically connected to said first and said second and said at least one third processing devices (MCU 1-n) for detecting whether said burner has been ignited or not.
5. The burner igniting system as claimed in claim 4 , wherein said control device includes a timer electrically connected to said high voltage circuit and said ignition detecting circuit and said first and said second and said at least one third processing devices (MCU 1-n) for determining a time period that said burner has not been successfully ignited.
6. The burner igniting system as claimed in claim 4 , wherein said ignition detecting circuit is selected from a trigger diode.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US13/802,946 US20140272738A1 (en) | 2013-03-14 | 2013-03-14 | Burner igniting system for gas stove |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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US13/802,946 US20140272738A1 (en) | 2013-03-14 | 2013-03-14 | Burner igniting system for gas stove |
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US20140272738A1 true US20140272738A1 (en) | 2014-09-18 |
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US13/802,946 Abandoned US20140272738A1 (en) | 2013-03-14 | 2013-03-14 | Burner igniting system for gas stove |
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Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20070068511A1 (en) * | 2005-09-28 | 2007-03-29 | Hearth & Home Technologies | Gas fireplace monitoring and control system |
-
2013
- 2013-03-14 US US13/802,946 patent/US20140272738A1/en not_active Abandoned
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20070068511A1 (en) * | 2005-09-28 | 2007-03-29 | Hearth & Home Technologies | Gas fireplace monitoring and control system |
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Legal Events
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AS | Assignment |
Owner name: AME-LIGHTING CO., LTD., TAIWAN Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:LIAO, PEN LIANG;REEL/FRAME:029992/0828 Effective date: 20130111 |
|
STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION |