CN201652512U - Water tank structure of energy-saving range - Google Patents
Water tank structure of energy-saving range Download PDFInfo
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- CN201652512U CN201652512U CN2010201151063U CN201020115106U CN201652512U CN 201652512 U CN201652512 U CN 201652512U CN 2010201151063 U CN2010201151063 U CN 2010201151063U CN 201020115106 U CN201020115106 U CN 201020115106U CN 201652512 U CN201652512 U CN 201652512U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
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Abstract
The utility model discloses a water tank structure of an energy-saving range, which comprises a water tank inner wall, a water tank outer wall and a liquid storage cavity positioned between the water tank inner wall and the water tank outer wall. The circumstance of the energy-saving range furnace chamber is enclosed by the liquid storage cavity, a combustor is mounted in the energy-saving range furnace chamber; one circulating cylinder is sleeved and fixed inside of the liquid storage cavity, a clearance is provided between the circulating cylinder and the water tank inner wall. The water between the circulating cylinder can the water tank inner wall can be rapidly heated by the residual heat of the energy-saving range, and the heated water is positioned at the upper part of the liquid storage cavity by the heat current circulating, and the cold water is positioned at the lower part of the liquid storage cavity. A water inlet pipe and a water outlet pipe for communicating the liquid storage cavity are arranged on the water tank outer wall. A water outlet is arranged at the upper apart of the liquid storage cavity, a water inlet is arranged at the lower part of the liquid storage cavity, when a water inlet valve and a water outlet tap are opened, the inlet water can be heated and the hot water can be discharged synchronously for providing hot water continually, the utility model is convenient for cooking, and the heat energy utilizing efficiency can be improved.
Description
Technical field
The utility model relates to a kind of commercial energy-saving kitchen range that is used for the kitchen, restaurant, specifically a kind of cisten mechanism of energy-saving stove.
Background technology
The cooking stove that uses in restaurant, restaurant, because long-time the use, the cooking amount is big, needs to use a large amount of hot water.Usually cooking stove is provided with water tank, heat up water so that uses in culinary art, but for the cook in restaurant, restaurant, the demand of hot water is too big, and cooking stove water tank of the prior art often can not provide sufficient hot water so that cook.
Utility model patent title: household gas range waste heat water storage box, the patent No.: 200820076916.5 disclose a kind of household gas range waste heat water storage box, comprise water storage box, have the running water water filling port in the water storage box bottom, the water storage box bottom has the mouth of a river and thermal cycle filling pipe end under the thermal cycle, between the mouth of a river and the thermal cycle filling pipe end thermal-collecting tube is set under the thermal cycle, thermal-collecting tube is a helical form, be placed on the gas stove fire head periphery, water storage box top has delivery port, and delivery port connects the delivery port tap.
The waste heat heating water tank that gas-cooker produced when above-mentioned disclosed patent utilization was cooked, solved existing average family kitchen or influenced person health with cold water, or with the problem of energy resource consumption type water heater hot-water power consumption, but this water tank is used for commercial cooking stove, and the hot water amount who provides can't satisfy cook's demand.And in the prior art, all be that water tank is arranged on a pot body below, by direct heating kettle body of flame and water tank, the utilization ratio of ingle heat is not high enough, and it is more serious to waste energy.
Summary of the invention
Technical problem to be solved in the utility model is at above-mentioned prior art present situation, and a kind of cisten mechanism of energy-saving stove is provided, and can not be cook's not high technical problem of heat energy utilization rate when providing sufficient hot water and existing water tank to heat up water to solve commercial stove.
The utility model solves the problems of the technologies described above the technical scheme that is adopted: a kind of cisten mechanism of energy-saving stove comprises tank inner wall, tank outer wall and the liquid storage cylinder between tank inner wall and tank outer wall.Around the described liquid storage cylinder encirclement energy-saving stove furnace chamber, in the described energy-saving stove furnace chamber burner is installed; Be arranged with a circulating barrel in the liquid storage cylinder internal fixation, described circulating barrel and tank inner wall have the gap; Described tank outer wall is provided with water inlet pipe and the outlet pipe that is communicated with liquid storage cylinder.Water between circulating barrel and the tank inner wall can be by Fast Heating, and heating is after the superheat flow circulation is in the top of liquid storage cylinder, and cold water is in the bottom of liquid storage cylinder.
For optimizing technique scheme, the measure of taking also comprises:
Above-mentioned liquid storage cylinder is a tubular, and the energy-saving stove furnace chamber is positioned at the inside of tubular, is provided with base plate in the bottom of energy-saving stove furnace chamber.
Above-mentioned liquid storage cylinder can also be a spill, and described energy-saving stove furnace chamber is positioned at the recess of tank inner wall.
Above-mentioned water inlet pipe is arranged on the bottom of liquid storage cylinder, and the inner spout of outlet pipe is arranged on the top of liquid storage cylinder, and the outer mouth of pipe is connected with the buffer memory water tank, and the top of buffer memory water tank has venthole.The buffer memory water tank is provided with depotition cock, and depotition cock is connected with the bottom of buffer memory water tank, and preferably is arranged on a pot body top.Open inlet valve and depotition cock on the water inlet pipe, can emit heated upper strata hot water, the water between circulating barrel and the tank inner wall is constantly by Fast Heating simultaneously, and cold water constantly replenishes.
Be provided with the support portion of matching with the pot body on above-mentioned energy-saving stove furnace chamber top, this support portion can be the tank outer wall that cooperates with the pot body, also can be arranged on the stove circle on furnace chamber top.
Above-mentioned support portion is sealed and matched with the pot body, and the ceramic heat-storing interlayer of at least four porous ceramic plate formation is installed between burner and tank inner wall; The outer end of porous ceramic plate is connected along matching with tank inner wall, the inner of porous ceramic plate is connected along matching with burner outer wall, the ceramic heat-storing interlayer is divided into superposed main furnace chamber with the energy-saving stove furnace chamber and is positioned at the secondary furnace chamber of bottom, is shaped on the through hole that is communicated with main furnace chamber and secondary furnace chamber on porous ceramic plate; Described secondary furnace chamber is shaped on the discharge flue that is communicated with body of heater outward.Behind the fuel gas buring, flame heat pot body, unnecessary type of thermal communication is crossed the ceramic heat-storing interlayer and is converted into heat radiation and can further utilizes, and remaining hot-fluid enters secondary furnace chamber, discharges from discharge flue after being absorbed heat fully by water tank.Porous ceramic plate is a surface plate, also the concave face plate that has certain radian.The ceramic heat-storing interlayer can be made up of the porous ceramic plate splicing of one deck to three layer, and porous ceramic plate is the fan annular, also but strip or other shapes.
The main body of above-mentioned liquid storage cylinder surround secondary furnace chamber around, the gap between circulating barrel and the tank inner wall is 1 to 3 centimetre, the upper and lower side of circulating barrel is shaped on opening, described gap constitutes liquid circulation canal from the bottom to top.
Above-mentioned discharge flue is the circular hole of energy-saving stove furnace chamber bottom, and burner is installed in the energy-saving stove furnace chamber by circular hole.
Above-mentioned discharge flue is positioned at a side of secondary furnace chamber, passes liquid storage cylinder and is communicated with outward with body of heater.
Above-mentioned burner comprises the burner and the air mixture pipe that is connected burner that is positioned at the upper end, burner top is provided with the stone or metal plate for standing a stove on as a precaution against fire of a plurality of fuel gas holes, the ever-burning flame Gas Pipe is installed in the air mixture pipe, and the ever-burning flame Gas Pipe is arranged in the middle fuel gas hole of stone or metal plate for standing a stove on as a precaution against fire, and ever-burning flame can be provided.
Compared with prior art, the utlity model has following advantage:
1, cisten mechanism novelty, make hot-fluid circulation in the liquid storage cylinder by circulating barrel, with the hot and cold stream layering, and delivery port is arranged on the top of liquid storage cylinder, water inlet is arranged on the bottom of liquid storage cylinder, adopt the form of discharging hot water while the heating of intaking, a large amount of hot water can continuously be provided, be convenient to culinary art;
2, the water between circulating barrel and the tank inner wall can be by Fast Heating, just can discharge use by hot-fluid circulation back, could use after not needing water with whole water tank all to heat, and the efficient that provides of hot water has been provided greatly, has saved the energy;
3, energy-saving stove is divided into main furnace chamber and secondary furnace chamber by the ceramic heat-storing interlayer with furnace chamber, main furnace chamber is used for the heating kettle body, secondary furnace chamber is used for heating water tank, furnace chamber top is sealed and matched with the pot body, hot gas time of staying in furnace chamber prolongs, and can be exchanged into the heat radiation energy by a pot bulk absorption, does not influence main furnace chamber temperature during heating water tank, but utilize the surplus temperature feed-tank in the secondary furnace chamber to heat, improve utilization efficiency of heat energy greatly;
4, the outer mouth of pipe at outlet pipe is connected with the buffer memory water tank, behind the water expanded by heating in the water tank, is temporarily stored in the buffer memory water tank by outlet pipe.
Description of drawings
Fig. 1 is the sectional structure schematic diagram of the utility model embodiment 1;
Fig. 2 is the sectional structure schematic diagram of the utility model embodiment 2.
The specific embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is described in further detail.
Fig. 1 is to Figure 2 shows that structural representation of the present utility model.
Reference numeral wherein is: tank inner wall 1, tank outer wall 2, liquid storage cylinder 3, gap 3a, energy-saving stove furnace chamber 4, main furnace chamber 4a, secondary furnace chamber 4b, burner 5, burner 5a, air mixture pipe 5b, stone or metal plate for standing a stove on as a precaution against fire 5c, fuel gas hole 5d, ever-burning flame Gas Pipe 5e, circulating barrel 6, water inlet pipe 7, outlet pipe 8, inner spout 8a, outer mouth of pipe 8b, base plate 9, buffer memory water tank 10, venthole 10a, depotition cock 11, pot body 12, support portion 13, ceramic heat-storing interlayer 14, the outer end is along 14a, inner along 14b, through hole 14c, discharge flue 15.
Embodiment 1
As shown in Figure 1, the cisten mechanism of a kind of energy-saving stove of present embodiment comprises tank inner wall 1, tank outer wall 2 and the liquid storage cylinder 3 between tank inner wall 1 and tank outer wall 2.
The liquid storage cylinder 3 that constitutes by tank inner wall 1 and tank outer wall 2 surround energy-saving stove furnace chambers 4 around.Be arranged with a vertical circulating barrel 6 in liquid storage cylinder 3 internal fixation.Circulating barrel 6 leaves gap 3a with tank inner wall 1.Gap 3a between circulating barrel 6 and the tank inner wall 1 is 1 to 3 centimetre, and circulating barrel is both ends open about in the of 6, and gap 3a constitutes liquid circulation canal from the bottom to top.
When heating, water tank absorbs the heat of energy-saving stove furnace chamber 4, with the heating earlier of the water between circulating barrel 6 and the tank inner wall 1, water among the 3a of gap can seethe with excitement fast, form thermal cycle in liquid storage cylinder 3, hot water in the 3a of gap is risen run out of gap 3a, cold water constantly replenishes in the 3a of gap.If there is not a circulating barrel 6, after being heated near the water of tank inner wall 1, heat in time can not be transmitted other parts, because water tank volume is big, local boiling often when beginning to heat, but bulk temperature is very low, and the temperature of discharge water is not high when therefore using.After circulating barrel 6 is set in liquid storage cylinder 3, but the water Fast Heating in the 3a of gap, and, be in the upper strata of liquid storage cylinder 3 by the hot-fluid circulation, and constantly have cold water to replenish in the 3a of gap, the water that temperature is lower is in the lower floor of liquid storage cylinder 3.
Tank outer wall 2 is provided with water inlet pipe 7 and the outlet pipe 8 that is communicated with liquid storage cylinder 3.In the present embodiment, water inlet pipe 7 is arranged on the bottom of liquid storage cylinder 3, and water inlet pipe 7 is provided with inlet valve, opens into valve, just can charge into cold water in liquid storage cylinder 3.The inner spout 8a of outlet pipe 8 is arranged on the top of liquid storage cylinder 3, and outer mouth of pipe 8b is connected with buffer memory water tank 10, and buffer memory water tank 10 is provided with depotition cock 11, and depotition cock 11 is preferably placed at pot body 12 tops, can directly add hot water in pot.Have venthole 10a on the top of buffer memory water tank 10, when needing to use hot water, open inlet valve and depotition cock 11, inlet valve charges into cold water in liquid storage cylinder 3, and the cold water that charges into is positioned at the bottom of liquid storage cylinder 3.The hot water on liquid storage cylinder 3 tops enters in the buffer memory water tank 10 by the inner spout 8a of outlet pipe 8, opens depotition cock 11 and just can directly use.Water tank of the present utility model as long as local water is heated, just can be discharged this part hot water and use, and not need as in the prior art whole water tank all being heated and could use in use, and the efficient of therefore discharging hot water improves greatly.
Matching with tank inner wall 1 along 14a and be connected in the outer end of ceramic heat-storing interlayer 14, matches with burner 5 outer walls along 14b and be connected in the inner of ceramic heat-storing interlayer 14.Ceramic heat-storing interlayer 14 is divided into superposed main furnace chamber 4a with furnace chamber 4 and is positioned at the secondary furnace chamber 4b of bottom, is shaped on the through hole 14c that is communicated with main furnace chamber 4a and secondary furnace chamber 4b on ceramic heat-storing interlayer 14.
Ceramic heat-storing interlayer 14 is made up of at least four porous ceramic plate splicing in the present embodiment, and porous ceramic plate has certain cambered surface, and the ceramic heat-storing interlayer 14 of formation is certain concave surface.Ceramic heat-storing interlayer 14 adopts heat radiative ceramic material, can absorb the waste heat in the energy-saving stove furnace chamber 4, is converted to the infrared emanation energy, heating kettle body 12, the heat absorption efficient of raising pot body 12.Main furnace chamber 4a is mainly used in heating kettle body 12, burner 5 produces flame heat pot body 12 and ceramic heat-storing interlayer 14 in main furnace chamber 4a internal combustion, when unnecessary hot-fluid via through holes 14c enters secondary furnace chamber 4b, further heating ceramic accumulation of heat interlayer 14, and ceramic heat-storing interlayer 14 is converted to heat radiation with the heat that absorbs can pass to pot body 12.
After remaining hot-fluid entered secondary furnace chamber 4b, around liquid storage cylinder 3 encirclement energy-saving stove furnace chambers 4, heat can fully pass to tank inner wall 1, to add the water among the temperature gap 3a.
Be provided with the support portion 13 of matching with pot body 12 on furnace chamber 4 tops, support portion 13 is sealed and matched with pot body 12.In the present embodiment, support portion 13 is arranged on the stove circle of upper end bead, is sealed and matched by a stove circle and a pot body 12, prevents that hot-fluid from running out of from the slit between pot body 12 and the support portion 13.The main body of liquid storage cylinder 3 surround described secondary furnace chamber 4b around, utilize the waste heat heating liquid storage cylinder 3 in the secondary furnace chamber 4b.
As shown in Figure 2, the cisten mechanism of a kind of energy-saving stove of present embodiment comprises tank inner wall 1, tank outer wall 2 and the liquid storage cylinder 3 between tank inner wall 1 and tank outer wall 2.
In the present embodiment, water inlet pipe 7 is arranged on the bottom of liquid storage cylinder 3, and water inlet pipe 7 is provided with inlet valve, opens into valve, just can charge into cold water in liquid storage cylinder 3.The inner spout 8a of outlet pipe 8 is arranged on the top of liquid storage cylinder 3, and outer mouth of pipe 8b is connected with buffer memory water tank 10, and buffer memory water tank 10 is provided with depotition cock 11, and depotition cock 11 is preferably placed at pot body 12 tops, can directly add hot water in pot.Have venthole 10a on the top of buffer memory water tank 10, when needing to use hot water, open inlet valve and depotition cock 11, inlet valve charges into cold water in liquid storage cylinder 3, and the cold water that charges into is positioned at the bottom of liquid storage cylinder 3.The hot water on liquid storage cylinder 3 tops enters in the buffer memory water tank 10 by the inner spout 8a of outlet pipe 8, opens depotition cock 11 and just can directly use.
Matching with tank inner wall 1 along 14a and be connected in the outer end of ceramic heat-storing interlayer 14, matches with burner 5 outer walls along 14b and be connected in the inner of ceramic heat-storing interlayer 14.Ceramic heat-storing interlayer 14 is divided into superposed main furnace chamber 4a with furnace chamber 4 and is positioned at the secondary furnace chamber 4b of bottom, is shaped on the through hole 14c that is communicated with main furnace chamber 4a and secondary furnace chamber 4b on ceramic heat-storing interlayer 14.
Ceramic heat-storing interlayer 14 is made up of at least four porous ceramic plate splicing in the present embodiment.Ceramic heat-storing interlayer 14 adopts heat radiative ceramic material, can absorb the waste heat in the energy-saving stove furnace chamber 4, is converted to the infrared emanation energy, heating kettle body 12, the heat absorption efficient of raising pot body 12.Main furnace chamber 4a is mainly used in heating kettle body 12, burner 5 produces combustion flame heating kettle body 12 and ceramic heat-storing interlayer 14 at main furnace chamber 4a, when unnecessary hot-fluid via through holes 14c enters secondary furnace chamber 4b, further heating ceramic accumulation of heat interlayer 14, and ceramic heat-storing interlayer 14 is converted to heat radiation with the heat that absorbs can pass to pot body 12.
After unnecessary hot-fluid entered secondary furnace chamber 4b, around liquid storage cylinder 3 encirclement energy-saving stove furnace chambers 4, heat can fully pass to tank inner wall 1, to add the water among the temperature gap 3a.
Be provided with the support portion 13 of matching with pot body 12 on furnace chamber 4 tops, support portion 13 is sealed and matched with pot body 12.In the present embodiment, support portion 13 is made of the upper end bead of water tank, and the upper end bead of water tank is sealed and matched mutually with pot body 12.Support portion 13 of the present utility model also can be arranged on the stove circle of upper end bead, is sealed and matched by stove circle and pot body 12.
Most preferred embodiment of the present utility model is illustrated, and various variations or the remodeling made by those of ordinary skills can not break away from scope of the present utility model.
Claims (10)
1. the cisten mechanism of an energy-saving stove, comprise tank inner wall (1), tank outer wall (2) and be positioned at tank inner wall (1) and tank outer wall (2) between liquid storage cylinder (3), it is characterized in that: around described liquid storage cylinder (3) the encirclement energy-saving stove furnace chamber (4), burner (5) is installed in the described energy-saving stove furnace chamber (4); Be arranged with a circulating barrel (6) in liquid storage cylinder (3) internal fixation, described circulating barrel (6) has gap (3a) with tank inner wall (1); Described tank outer wall (2) is provided with water inlet pipe (7) and the outlet pipe (8) that is communicated with liquid storage cylinder (3).
2. the cisten mechanism of a kind of energy-saving stove according to claim 1 is characterized in that: described liquid storage cylinder (3) is tubular, and energy-saving stove furnace chamber (4) is positioned at the inside of tubular, is provided with base plate (9) in the bottom of energy-saving stove furnace chamber (4).
3. the cisten mechanism of a kind of energy-saving stove according to claim 1 is characterized in that: described liquid storage cylinder (3) is spill, and described energy-saving stove furnace chamber (4) is positioned at the recess of tank inner wall (1).
4. the cisten mechanism of a kind of energy-saving stove according to claim 1, it is characterized in that: described water inlet pipe (7) is arranged on the bottom of liquid storage cylinder (3); The inner spout (8a) of described outlet pipe (8) is arranged on the top of liquid storage cylinder (3), the outer mouth of pipe (8b) is connected with buffer memory water tank (10), the top of described buffer memory water tank (10) has venthole (10a), and buffer memory water tank (10) is provided with depotition cock (11).
5. according to the cisten mechanism of the described a kind of energy-saving stove of the arbitrary claim of claim 1 to 4, it is characterized in that: be provided with the support portion (13) of matching on described energy-saving stove furnace chamber (4) top with pot body (12).
6. the cisten mechanism of a kind of energy-saving stove according to claim 5 is characterized in that: described support portion (13) are sealed and matched with a pot body (12); The ceramic heat-storing interlayer (14) of at least four porous ceramic plate formation is installed between burner (5) and tank inner wall (1); Match with tank inner wall (1) along (14a) and be connected in the outer end of porous ceramic plate, match with burner (5) outer wall along (14b) and be connected in the inner of porous ceramic plate, ceramic heat-storing interlayer (14) is divided into superposed main furnace chamber (4a) with energy-saving stove furnace chamber (4) and is positioned at the secondary furnace chamber (4b) of bottom, is shaped on the through hole (14c) that is communicated with main furnace chamber (4a) and secondary furnace chamber (4b) on porous ceramic plate; Described secondary furnace chamber (4b) is shaped on the discharge flue (15) that is communicated with body of heater outward.
7. the cisten mechanism of a kind of energy-saving stove according to claim 6, it is characterized in that: the main body of described liquid storage cylinder (3) surround described secondary furnace chamber (4b) around, gap (3a) between circulating barrel (6) and the tank inner wall (1) is 1 to 3 centimetre, circulating barrel (6) is both ends open up and down, and gap (3a) constitutes liquid circulation canal from the bottom to top.
8. the cisten mechanism of a kind of energy-saving stove according to claim 6 is characterized in that: described discharge flue (15) is the circular hole of energy-saving stove furnace chamber (4) bottom, and burner (5) is installed in the energy-saving stove furnace chamber (4) by circular hole.
9. the cisten mechanism of a kind of energy-saving stove according to claim 6, it is characterized in that: described discharge flue (15) is positioned at a side of secondary furnace chamber (4b), passes liquid storage cylinder (3) and is communicated with outward with body of heater.
10. the cisten mechanism of a kind of energy-saving stove according to claim 6, it is characterized in that: described burner (5) comprises the burner (5a) and the air mixture pipe (5b) that is connected burner (5a) that is positioned at the upper end, burner (5a) top is provided with the stone or metal plate for standing a stove on as a precaution against fire (5c) of a plurality of fuel gas holes (5d), be provided with ever-burning flame Gas Pipe (5e) in air mixture pipe (5b), the upper end of ever-burning flame Gas Pipe (5e) passes stone or metal plate for standing a stove on as a precaution against fire (5c).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201151063U CN201652512U (en) | 2010-02-11 | 2010-02-11 | Water tank structure of energy-saving range |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201151063U CN201652512U (en) | 2010-02-11 | 2010-02-11 | Water tank structure of energy-saving range |
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| CN201652512U true CN201652512U (en) | 2010-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010201151063U Expired - Lifetime CN201652512U (en) | 2010-02-11 | 2010-02-11 | Water tank structure of energy-saving range |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104296194A (en) * | 2014-10-08 | 2015-01-21 | 昆山富凌能源利用有限公司 | Water tank structure of energy-saving stove |
| CN108709205A (en) * | 2018-03-26 | 2018-10-26 | 郑州梦朵蓝节能设备有限公司 | A kind of energy-saving gas cooker |
-
2010
- 2010-02-11 CN CN2010201151063U patent/CN201652512U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104296194A (en) * | 2014-10-08 | 2015-01-21 | 昆山富凌能源利用有限公司 | Water tank structure of energy-saving stove |
| CN108709205A (en) * | 2018-03-26 | 2018-10-26 | 郑州梦朵蓝节能设备有限公司 | A kind of energy-saving gas cooker |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20101124 Effective date of abandoning: 20110706 |