CN1461912A - Multifunctional fuel gas stove - Google Patents

Multifunctional fuel gas stove Download PDF

Info

Publication number
CN1461912A
CN1461912A CN 02111884 CN02111884A CN1461912A CN 1461912 A CN1461912 A CN 1461912A CN 02111884 CN02111884 CN 02111884 CN 02111884 A CN02111884 A CN 02111884A CN 1461912 A CN1461912 A CN 1461912A
Authority
CN
China
Prior art keywords
control
switch
magnetic valve
thermocouple
valve
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.)
Granted
Application number
CN 02111884
Other languages
Chinese (zh)
Other versions
CN1205438C (en
Inventor
陈振农
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CN 02111884 priority Critical patent/CN1205438C/en
Publication of CN1461912A publication Critical patent/CN1461912A/en
Application granted granted Critical
Publication of CN1205438C publication Critical patent/CN1205438C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Abstract

A multifunctional gas stove is composed of electromagnetic valve for power supply arranged in gas inlet channel, gas jet hole for normal fire flame, thermocouple electromagnetic valve with thermal sensor near the burner of normal fire flame, primary flame regulating valve, and pulse igniter with a normal closed reed relay, which plays such role that after ignition is finished the igniter can not be used and when the flame is accidently extinguished, the igniter can be automatically used.

Description

A kind of multifunctional fuel gas stove
Technical field
The utility model relates to a kind of gas kitchen ranges, especially a kind of gas kitchen ranges of big easy to adjust and integrated multiple function.
Technical background
Present employed gas kitchen ranges, rely on gauge tap opening of valves degree size to change the bleed pressure in the hole of quantitatively emanating, and then by controlling the size that how much changes the intensity of a fire of gas source and flow amount, in use has tangible inconvenience: (1) size adjustment inconvenience, the gas kitchen ranges of existing structure right and wrong in the size regulation and control of the intensity of a fire are progressive, only about 20 degree, size is not easy to grasp the effective range of real obviously change size in the modification scope of 90 degree.(2) open igniting inconvenience, open igniting and can not guarantee 100% success,, not only leak air in case igniting is unsuccessful, unfavorable to user's health and safety, but also open again after must closing valve; In addition, the kitchen range with blowout protection still need to push several seconds after opening point pyrogene merit, bring operational inconvenience.(3) frequent open-close on-off button, in the process of continuous firing food, in order to economize gas,, particularly firing between two courses on the one hand on the other hand for safety, common way is, perhaps source of the gas is closed to minimum, perhaps simply close source of the gas, and then open, both waste combustion gas, brought operational inconvenience again.(4) do not have timing means, this needs the regularly work of culinary art to those, makes troubles as Baoshang, boil medicine etc., in case particularly the user leaves the kitchen range that using for some reason temporarily, accident very easily meets accident.(5) it is single to be suitable for source of the gas, because there is the difference on the region in the source of the gas that uses, the user perhaps gives it up in case during because of the change of reason generation sources of the gas such as resettlement, perhaps reequip kitchen range, causes inconvenient in the use and wastes.
Summary of the invention
In order to address the above problem, the objective of the invention is to, a kind of improved multifunctional fuel gas stove is provided, realize more function with simple structure: comprise regularly, main combustion fire puts out combustion automatically, light a fire, be suitable for multiple source of the gas and size adjustment more conveniently.
The present invention adopts following technical scheme to realize, a kind of multifunctional fuel gas stove is characterized in that, comprising:
The power supply magnetic valve is arranged on the gas kitchen ranges air intake passage, and the switch of control break-make and Range switch button adopt linkage structure in the main line of described power supply solenoid valve control circuit;
The ever-burning flame hole of emanating, rounded ventilation is poroid, is arranged on first branch road of described power supply magnetic valve rear end, is used for quantitatively controlling ever-burning flame intensity of a fire size;
The thermocouple magnetic valve is arranged on second branch road of described power supply magnetic valve rear end, and the thermal head of described thermocouple magnetic valve is arranged near the ever-burning flame burner;
The master is fired fiery control valve, is arranged at the rear end of described thermocouple magnetic valve, and the mouth of emanating of described control valve is long fan shape, and the release knob of described kitchen range just is located on the other end axle core of described regulation valve core;
Pulse igniter, the sparking point of described pulse igniter is arranged near the kitchen range ever-burning flame burner, consistent in the gauge tap of described pulse igniter circuit and the described power supply electromagnetic valve circuit with the gauge tap of Range switch button interlock, also be provided with the normally closed reed relay that is subjected to thermocouple control in the branch road of described pulse igniter, after controlling successfully igniting, described pulse igniter no longer strike sparks and fire fiery accident extinguish after igniting once more, the formation loop of connecting with thermocouple after the inductance coil parallel connection of the inductance coil of described normally closed reed relay and thermocouple magnetic valve.
Description of drawings
Fig. 1 is a gas circuit principle block diagram of realizing kitchen range of the present invention;
Fig. 2 is that the present invention realizes the circuit diagram of a preferred embodiment of igniting automatically;
Fig. 3 is the circuit diagram that the present invention controls a preferred embodiment on ignition switch and the main combustion gas of control road again;
Fig. 4 is the circuit diagram that the present invention realizes a preferred embodiment of timing function;
Fig. 5 is the circuit diagram that the present invention realizes putting out automatically a preferred embodiment of combustion;
Fig. 6 is that the present invention realizes that kitchen range have the circuit diagram of the function of stir-frying;
Fig. 7 is the structural representation that the present invention's linked switch K1 and Range switch button 1 when enabling kitchen range realized interlock;
Fig. 8 is the vertical view of the whole kitchen range of the present invention.
The specific embodiment
Fig. 1 is the gas circuit principle block diagram of the whole kitchen range of the present invention, and it is shown in Figure 5 in 02111025.5 that the structure of the fiery control valve 15 of wherein main combustion sees also application number.As can be seen from the figure, power supply magnetic valve 12 is arranged on the passage of gas kitchen ranges air inlet 11, the ever-burning flame hole 13 rounded ventilations of emanating are poroid, be arranged on first branch road of power supply magnetic valve 12 rear ends, quantitatively control ever-burning flame intensity of a fire size, thermocouple magnetic valve 14 is arranged on second branch road of power supply magnetic valve 12 rear ends; The fiery control valve 15 of main combustion is arranged at the rear end of thermocouple magnetic valve 14.
Fig. 2 and Fig. 3 are the circuit diagrams of control gas circuit and pulse firing.First loop that the inductance coil L12 of power supply S-linked switch K1-power supply magnetic valve forms among Fig. 2 is the control circuit that control kitchen range power supply magnetic valve 12 opens and closes gas circuit, and second loop that the normally closed reed relay K2-pulse igniter 18 of power supply S-linked switch K1-is formed is the kitchen range firing circuits.The sparking of pulse igniter 18 point is arranged near the kitchen range ever-burning flame burner 17 among this figure, and the gauge tap in second loop has two, and one is linked switch K1, and is promptly consistent with the gauge tap of control Range switch button in first loop.Another is normally closed reed relay K2, no longer continues sparking after lighting in order to the realization ever-burning flame, and fires the gauge tap of lighting a fire once more after fiery accident is extinguished.
Thermocouple 19 is equivalent to power supply among Fig. 3, and the thermal head 8 (being the jut of thermocouple 19 among this figure) that is arranged near the thermocouple 19 the ever-burning flame burner 17 is equivalent to the switch in this circuit.When thermal head 8 is in when hot, thermocouple 19 is an electric energy with its thermal power transfer, operating voltage is just arranged in the circuit shown in Figure 3, the inductance coil L14 of thermocouple magnetic valve 14 obtains operating current at this moment, make thermocouple magnetic valve 14 open main combustion internal heat road, the inductance coil LK2 that controls normally closed reed relay K2 simultaneously also obtains operating current, makes disconnected by the normally closed reed relay K2 of its control.
Fig. 4, Fig. 5 and Fig. 6 realize timing function, put out the circuit diagram of combustion, the function that stir-fries automatically.Fig. 4 is on the basis of Fig. 2, at the power supply solenoid valve control circuit, and series connection one timer K switch 3 on the first promptly above-mentioned loop.Fig. 5 is on the basis of Fig. 3, and the votage control switch K4 of control action together is set in thermocouple inductance coil L14 branch road, and this votage control switch K4 is subjected to the GRAVITY CONTROL of the burning tool on the gas kitchen ranges.Fig. 6 be again on Fig. 5 basis with the votage control switch K4 that the burns tool control voltage-controlled locking switch K5 that is in parallel.The concrete course of work sees also following explanation.
Linked switch K1 shown in Fig. 7 comprises two wiring 71,72, and the valve core rod 73 of control valve 15 is fixed on circle wheel 74 on the valve core rod 73, that rotate synchronously with valve core rod, the band groove, and whole aufbauprinciple and existing machinery timer are similar.The concrete course of work: when Range switch button 1 was in closed condition, movable contact 75, the fixed contact 76 of linked switch K1 were separated, and promptly linked switch K1 disconnects; When counterclockwise unlatching Range switch button 1, just can allow circle wheel 74 rotate synchronously simultaneously, drive motion bar 77 and press down, the movable contact 75 of linked switch K1 is pressed down with fixed contact 76 contact, be i.e. linked switch K1 closure.By structure as can be known, and if only if just disconnects when Range switch button 1 is in closed condition for linked switch K1, is in closure state all the time in the whole use of kitchen range.
Can recognize on the kitchen range vertical view among Fig. 8, the position of the switch one side on the kitchen range of this embodiment, be provided with the timer switch button 2 of Range switch button 1, control timer K switch 3, control the voltage-controlled locking key 3 of voltage-controlled locking switch K5, establish the voltage-controlled bar 9 that control votage control switch K4 turn-offs in the position of a nearly pot pawl 4, the intermediate annular position is provided with main combustion ignition combustor 16, the central authorities of main combustion ignition combustor 16 establish ever-burning flame burner 17, near near ever-burning flame burner 17 hot thermocouple inductive head 8 and sparking point 7 are arranged respectively.
In conjunction with the accompanying drawings, when counterclockwise unlatching Range switch adjusting knob 1, make it to be in the enable possition, be arranged on the linked switch K1 closure of axle on the core of Range switch button 1 this moment, according to Fig. 2 as can be known, because of K2 is the normally closed reed relay of thermocouple 19 controls, so the inductance coil L12 of power supply magnetic valve 12 and pulse igniter 18 obtain operating current simultaneously, pulse igniter 18 work, sparking point 7 begins sparking.From Fig. 1, power supply magnetic valve 12 is opened gas circuit because of its inductance coil L12 obtains operating current, the source of the gas that is entered by air inlet 11, power supply magnetic valve 12 is at first through the ever-burning flame mouthful 13 directive ever-burning flame passages of emanating like this, flow to ever-burning flame burner 17, the pilot spark that is set near the sparking point 7 of the pulse igniter 18 the ever-burning flame burner 17 is lighted.After ever-burning flame is lighted, near the ever-burning flame burner 17 hot thermocouple inductive head 8 is heated, after thermocouple 19 is electric energy with its thermal power transfer, according to Fig. 3 as can be known, the inductance coil LK2 of the normally closed reed relay K2 of thermocouple 19 controls and the inductance coil L14 of thermocouple magnetic valve 14 obtain operating current simultaneously, the electric current of the inductance coil LK2 of normally closed reed relay K2 makes and disconnected by the normally closed reed relay K2 of its control, according to Fig. 2 as can be known, the pulse igniter 18 of series connection with it disconnects the electric current of losing the job because of the normally closed reed relay K2 of thermocouple 19 controls, stop sparking work, and the operating current of the inductance coil L14 of thermocouple magnetic valve 14 makes thermocouple magnetic valve 14 open gas circuit, source of the gas flows to control valve 15 through it, fires fiery passage by mouthful directive master that emanates of control valve 15 controls and flows to main combustion ignition combustor 16.Adjusting is arranged at the Range switch adjusting knob 1 of the spool other end of control valve 15, the size of just can the adjusted in concert spool emanating mouthful, thereby reach the purpose of regulating main combustion fire size, because the spool perforate of control valve 15 is special long sector structure, make that emanate mouthful can be gradually greatly gradually little, so the fiery size adjustment of main combustion is convenient freely, and this adjusting is for the kitchen range of fixed single source of the gas use, adjustable range can expand 180 degree to from 90 degree of original kitchen range, the words that need, even can maximum 360 degree scopes nearly, make size variation more smooth and easy.
The kitchen range of this design, stove can carry out secondary automatically and light a fire because of after unexpected (as wind) extinguish.Its principle is in 01253095.6 detailed description to be arranged at application number.
In addition, in the circuit diagram of Fig. 2, as long as connect a timer switch K3 on first loop of power supply solenoid valve control circuit, as shown in Figure 4, the fire of kitchen range just can be realized timing controlled.Its principle is, when kitchen range need not regularly, timer switch button 2 was in the ON position, and this moment, timer switch K3 was in closure state, its operation principle and shown in Figure 2 in full accord.When the needs timing, timer switch button 2 is provided with a time rating, before expiring time rating, timer switch K3 is in closure state all the time, after expiring time rating, timer switch button 2 moves to the OFF position, this moment, timer switch K3 disconnected, according to Fig. 4 as can be known, after timer switch K3 disconnects, the inductance coil L12 of power supply magnetic valve 12 does not have operating current, this moment, power supply magnetic valve 12 cut out gas circuit because of its inductance coil L12 does not have operating current, reach regularly purpose, even the normally closed reed relay K2 of thermocouple 19 controls after this is closed because of its inductance coil LK2 does not have operating current, pulse igniter 18 can not struck sparks because of the same no operating current of timer switch K3 disconnection.
Secondly, the votage control switch K4 of tool control is burnt in one of series connection in the inductance coil L14 branch road of thermocouple magnetic valve 14 in Fig. 3, becomes to have the kitchen range that main combustion fire puts out the combustion function automatically, and as shown in Figure 5, this votage control switch K4 is controlled by the burning tool.Its principle is, when not having the tool of burning on the kitchen range, votage control switch K4 is in off-state, the inductance coil L14 of thermocouple magnetic valve 14 makes thermocouple magnetic valve 14 close the main internal heat road of firing because of the votage control switch K4 that burns tool control disconnects no operating current at this moment, at this moment kitchen range have only the ever-burning flame normal combustion, when propping up, the kitchen range pot puts on the pawl 4 when burning tool, the gravity that burns tool presses down the voltage-controlled bar 9 of votage control switch K4, make votage control switch K4 closure, the inductance coil L14 of thermocouple magnetic valve 14 regains operating current and makes thermocouple magnetic valve 14 open main combustion internal heat road, and the main combustion fire of realization fires automatically and puts out function.
As a same reason, one in parallel is subjected to the locking switch K5 of locking key 3 controls to become the kitchen range that can stir-fry that are not subjected to votage control switch control on the votage control switch K4 that burns tool control, as shown in Figure 6, this K switch 5 is arranged near the Range switch adjusting knob, in the time of need stir-frying, as long as this switch of closure just can not interrupt main combustion fire because of playing the votage control switch K4 disconnection of burning tool control when pot stir-fry.After disconnecting voltage-controlled locking switch K5, can recover to put out automatically the combustion function again.
Once more, the different a plurality of mouths of emanating of openings of sizes are offered in the appropriate location on the spool of control valve 15, as application number is after 120 degree of being separated by shown in Figure 7 are offered the different mouth of emanating of 3 openings of sizes in 02111025.5, as long as suitably adjust, just can be applicable to different sources of the gas simultaneously, certainly this moment kitchen range ever-burning flame also corresponding the changing in hole 13 of emanating as application number be multi-source valve shown in Figure 1 in 01253092.1 or be control valve shown in Figure 5 in 02111025.5 as application number, make it to adjust synchronously corresponding to the source of the gas adjustment of main combustion fire, to obtain the stable ever-burning flame intensity of a fire, make kitchen range can be applicable to multiple source of the gas.Concrete structure and operation principle are to describe in detail in 01253092.1 and 02111025.5 at application number, in this omission.
Perhaps adjust the different original positions that control valve 15 is emanated mouthful, be applicable to that different sources of the gas use.Certainly, mouthful maximum of emanating of this control valve bore of emanating is a standard with artificial nest coal gas, in the process that it reduces gradually, at first there is the required bore of emanate bore and the natural gas of a position suitable, this position promptly can be used as the original position that natural air-air source uses, in the process that reduces gradually, the required bore of emanate bore and liquefied petroleum gas that also has a position is suitable, and promptly this position can be used as the original position that the liquefied petroleum gas source of the gas uses.
The front provides the description to preferred embodiment, so that any technical staff in this area can use or utilize the present invention.Various modifications to these embodiment are conspicuous to those skilled in the art, can be applied to other embodiment to total principle described here and not use creativeness.Thereby, the embodiment shown in the present invention will be not limited to here, and the wide region of principle that should disclose and new feature according to meeting here.

Claims (4)

1, a kind of multifunctional fuel gas stove is characterized in that, comprising:
The power supply magnetic valve is arranged on the gas kitchen ranges air intake passage, and the switch of control break-make and Range switch button adopt linkage structure in the main line of described power supply solenoid valve control circuit;
The ever-burning flame hole of emanating, rounded ventilation is poroid, is arranged on first branch road of described power supply magnetic valve rear end, is used for quantitatively controlling ever-burning flame intensity of a fire size;
The thermocouple magnetic valve is arranged on second branch road of described power supply magnetic valve rear end, and the thermal head of described thermocouple magnetic valve is arranged near the ever-burning flame burner;
The master is fired fiery control valve, is arranged at the rear end of described thermocouple magnetic valve, and the mouth of emanating of described control valve is long fan shape, and the release knob of described kitchen range just is located on the other end axle core of described regulation valve core;
Pulse igniter, the sparking point of described pulse igniter is arranged near the kitchen range ever-burning flame burner, consistent in the gauge tap of described pulse igniter circuit and the described power supply electromagnetic valve circuit with the gauge tap of Range switch button interlock, also be provided with the normally closed reed relay that is subjected to thermocouple control in the branch road of described pulse igniter, after controlling successfully igniting, described pulse igniter no longer strike sparks and fire fiery accident extinguish after igniting once more, the formation loop of connecting with thermocouple after the inductance coil parallel connection of the inductance coil of described normally closed reed relay and thermocouple magnetic valve.
2, a kind of multifunctional fuel gas stove according to claim 1 is characterized in that, another timer switch of also connecting in first branch road of described power supply solenoid valve control circuit.
3, a kind of multifunctional fuel gas stove according to claim 1 and 2 is characterized in that, the votage control switch of control action together is set in the inductance coil branch road of described thermocouple magnetic valve, and described votage control switch is subjected to burn on the gas kitchen ranges GRAVITY CONTROL of tool.
4, a kind of multifunctional fuel gas stove according to claim 3 is characterized in that, voltage-controlled locking switch in parallel on the votage control switch that is burnt tool control.
CN 02111884 2002-05-31 2002-05-31 Multifunctional fuel gas stove Expired - Fee Related CN1205438C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 02111884 CN1205438C (en) 2002-05-31 2002-05-31 Multifunctional fuel gas stove

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 02111884 CN1205438C (en) 2002-05-31 2002-05-31 Multifunctional fuel gas stove

Publications (2)

Publication Number Publication Date
CN1461912A true CN1461912A (en) 2003-12-17
CN1205438C CN1205438C (en) 2005-06-08

Family

ID=29741935

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 02111884 Expired - Fee Related CN1205438C (en) 2002-05-31 2002-05-31 Multifunctional fuel gas stove

Country Status (1)

Country Link
CN (1) CN1205438C (en)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102052693A (en) * 2010-12-28 2011-05-11 东莞市嘉品电器有限公司 Jet type gas furnace
CN102997288A (en) * 2012-12-07 2013-03-27 陆光华 Gas stove
CN103822254A (en) * 2014-01-26 2014-05-28 陕西科技大学 Device capable of shortening ignition time of gas stove
CN108151079A (en) * 2018-01-31 2018-06-12 佛山市云米电器科技有限公司 A kind of igniting and energy saving formula kitchen range
CN108361760A (en) * 2018-01-28 2018-08-03 昆山富凌能源利用有限公司 gas cooker with timing alarm function
CN108458371A (en) * 2018-01-28 2018-08-28 昆山富凌能源利用有限公司 A kind of multifunctional fuel gas stove
CN108826376A (en) * 2018-08-30 2018-11-16 李继明 A kind of micro computer timing intelligent gas-burning stove
CN110440303A (en) * 2018-05-04 2019-11-12 青岛海尔智慧厨房电器有限公司 A kind of wink cooking stove burning ignition system, ignition method and gas-cooker
CN112682540A (en) * 2020-06-10 2021-04-20 陈俊年 Timing flameout protection gas valve structure
CN113251448A (en) * 2021-06-05 2021-08-13 迅达科技集团股份有限公司 Timer for controlling on and off of thermocouple electromagnetic valve

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102052693A (en) * 2010-12-28 2011-05-11 东莞市嘉品电器有限公司 Jet type gas furnace
CN102052693B (en) * 2010-12-28 2014-06-04 河源市鸿铭厨房设备有限公司 Jet type gas furnace
CN102997288A (en) * 2012-12-07 2013-03-27 陆光华 Gas stove
CN103822254A (en) * 2014-01-26 2014-05-28 陕西科技大学 Device capable of shortening ignition time of gas stove
CN108361760A (en) * 2018-01-28 2018-08-03 昆山富凌能源利用有限公司 gas cooker with timing alarm function
CN108458371A (en) * 2018-01-28 2018-08-28 昆山富凌能源利用有限公司 A kind of multifunctional fuel gas stove
CN108151079A (en) * 2018-01-31 2018-06-12 佛山市云米电器科技有限公司 A kind of igniting and energy saving formula kitchen range
CN110440303A (en) * 2018-05-04 2019-11-12 青岛海尔智慧厨房电器有限公司 A kind of wink cooking stove burning ignition system, ignition method and gas-cooker
CN108826376A (en) * 2018-08-30 2018-11-16 李继明 A kind of micro computer timing intelligent gas-burning stove
CN112682540A (en) * 2020-06-10 2021-04-20 陈俊年 Timing flameout protection gas valve structure
CN113251448A (en) * 2021-06-05 2021-08-13 迅达科技集团股份有限公司 Timer for controlling on and off of thermocouple electromagnetic valve

Also Published As

Publication number Publication date
CN1205438C (en) 2005-06-08

Similar Documents

Publication Publication Date Title
CN1205438C (en) Multifunctional fuel gas stove
CN108458371A (en) A kind of multifunctional fuel gas stove
CN202647872U (en) Household intelligent fuel gas control system
CN2218341Y (en) Automatic water heater using gas fuel
CN2515556Y (en) Safety ignitor, flam-out device for gas range
CN2789631Y (en) Full-automatic electronic gas stove
CN201013969Y (en) Gaseous fuel stove valve body
CN2502142Y (en) Gas range with re-ignition function
CN208595569U (en) A kind of combined control system of multi-combustor gas utensil
CN102538031B (en) Fire igniting and extinguishing method and fire igniting and extinguishing system for commercial kitchen range
CN107620986A (en) A kind of domestic intelligent gas control system
CN2481999Y (en) Flame auto-adjusting device for gas and fuel oil stove
CN202267134U (en) Gas heater
CN2517985Y (en) Operator of gas heating boiler
CN205425032U (en) Utensil dual supply just has reservation firing function's gas -cooker
CN2594674Y (en) Multifunctional fireproof explosionproof controller on cooker
CN2424629Y (en) Automatic igniting device for coiled mosquito-repellent incense
CN87208176U (en) Long-delay type ignition and burning control device
CN202581407U (en) Ion induction ignition system applicable to oven
CN208253716U (en) A kind of outdoor gas heater
CN201014771Y (en) Anti-backfire subsection conversion device for water heater
CN208222574U (en) Anti-dry gas furnace
CN2349464Y (en) Gas heating stove
CN101000144A (en) Induction stove ignitor
CN2341070Y (en) Steam water heater

Legal Events

Date Code Title Description
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
C19 Lapse of patent right due to non-payment of the annual fee
CF01 Termination of patent right due to non-payment of annual fee