CN1210582A - Heating apparatus and method for operation thereof - Google Patents
Heating apparatus and method for operation thereof Download PDFInfo
- Publication number
- CN1210582A CN1210582A CN97192002A CN97192002A CN1210582A CN 1210582 A CN1210582 A CN 1210582A CN 97192002 A CN97192002 A CN 97192002A CN 97192002 A CN97192002 A CN 97192002A CN 1210582 A CN1210582 A CN 1210582A
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- China
- Prior art keywords
- heat exchanger
- water
- stating
- water tank
- aforementioned
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- 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
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/48—Water heaters for central heating incorporating heaters for domestic water
- F24H1/52—Water heaters for central heating incorporating heaters for domestic water incorporating heat exchangers for domestic water
- F24H1/526—Pipes in pipe heat exchangers for sanitary water
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/22—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating
- F24H1/40—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating with water tube or tubes
- F24H1/43—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating with water tube or tubes helically or spirally coiled
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/48—Water heaters for central heating incorporating heaters for domestic water
- F24H1/52—Water heaters for central heating incorporating heaters for domestic water incorporating heat exchangers for domestic water
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H6/00—Combined water and air heaters
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Public Health (AREA)
- Health & Medical Sciences (AREA)
- Details Of Fluid Heaters (AREA)
- Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
- Vending Machines For Individual Products (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
- Percussion Or Vibration Massage (AREA)
- Control And Other Processes For Unpacking Of Materials (AREA)
- Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
- General Preparation And Processing Of Foods (AREA)
- Air Supply (AREA)
Abstract
The invention relates to an apparatus for heating fluid, comprising: first supply means (2) for supplying fuel; second supply means (4) for supplying oxidizing agent; burner means (5) for combusting fuel and oxidizing agents after mixing thereof; and a first heat exchanger (8) to be heated by flue gases of the burner means (5) and arranged helically round the burner means (5).
Description
The firing equipment that has improved efficient (IE) and high efficiency (HE) is applied to the heating of residential building and other housing area in large quantities in Dutch and other area.For many dwelling houses, it is important the shape that these firing equipments should the amount of exhausting compactness, to such an extent as to and should avoid the too complicated repair and maintenance that needs regular costliness of equipment.
These existing firing equipments have many shortcomings, and wherein topmost have: the size of equipment is big, and they are difficult to be contained in the cupboard; Give off CO and lose, for example have sizable temperature difference to exist at device interior with Nox and relevant therewith efficient.
The invention provides a kind of device that adds hot fluid, it comprises
--first supply equipment is used to provide fuel;
--second supply equipment is used to provide oxidant;
--burner apparatus, be used for fuel combination and oxidant after-combustion they; And
--one first heat exchanger, the exhaust of its burned device heating, and with helical arrangement around burner apparatus.
The heater that obtains according to the present invention can be made very compact and reduce discharging and loss in efficiency.
The preferential embodiment of this device utilizes accurate guiding combustion products to flow along heat exchanger, obtains further efficiency improvement and reduces the undesirable combustion products of discharging.
The overcoat of a band opening preferably is arranged to be centered around around the spiral heat exchanger, so that obtain good heat exchange between burning gases and the heat exchanger tube.These openings can be circular or slit-shaped, and they are preferably arranged in the back of the Tube Sheet of Heat Exchanger of spirality trend.Overcoat also can form with bonding jumper that twines or bent plate, stays opening between these or plate.
Among an equipment that is called as combination, comprise a undersized relatively insulating cylinder or container, can get at any time from its internal hot-water.The combination device that has the 22-24 kw of power of a compactness should be able to obtain 60 ℃ of hot water of 6 liters of per minutes in this adiabatic storage tube or the water tank.Yet in existing unit equipment, it is not long 60 ℃ time find to supply water in the use, and the hot water temperature in the water pipe reduces subsequently, is higher than 60 ℃ of steady state values and is for example just reaching after one minute.This situation is not used or use seldom for heater, heat in the dwelling house heating system in the pipe and during the liquid in the radiator (being referred to as to regulate operation) all the more so.Although preferential embodiment of the present invention has this water tank, another preferential embodiment has a heat exchanger that accounts for very little space.
The present invention further provides a device, it has a water tank temporarily to store hot water, and wherein water tank comprises one second heat exchanger, and it cooperates operation with first heat exchanger.
First heat exchanger preferably further has pipe and an outer tube in one, and pipeline water further is heated in interior pipe.
Device of the present invention also is preferably with one the 3rd heat exchanger, and the discharge gas discharge pipe place that it is arranged in heating is used for preheating of pipeline water.
The preferential embodiment that has a water tank be preferably with pumping plant in case in heat cycles the force feed medium, it has a speed regulator, or have at least an ON/OFF to control, the user need from hot water, take out hot water the moment or immediately following device stop to be used for the heating after, the operation of water pump is reduced or interrupts, and colder water is prevented from entering into water tank from first heat exchanger.If necessary, burner is started working, and first heat exchanger is heated, and the force feed activity of pump equipment is increased after this.
Burning and gas-exhausting is forced to first heat exchanger and flows, so that with the heat exchange between exhaust and heat exchanger of high as far as possible efficient, for this purpose, the sidewall of annular space preferably has a profile, outline with heat exchanger is identical at least in part, so that further increase along the laminar gas flow of heat exchanger moving.
Except heat rooms, in dwelling house, also there are many other reasons to need heat energy, such as being used for cleaning, send hot-air in tumble drier, or go in the similar machine such as dish-washing machine as needs, also be used to cook the ventilation of heating premises circulation.These heat energy are that electricity consumption produces in most of dwelling houses, and this is not advanced from the viewpoint of energy efficiency.
Therefore, the present invention further provides the said apparatus that has heat exchange unit, the top that this heat exchange unit is arranged in and installs contacts with heat exchange pattern, and provides the vectorial inlet that needs heating and be heated vectorial outlet.
The further advantage of the present invention, performance and details will be carried out narration according to the preferential embodiment that has with reference to the accompanying drawings, wherein:
Fig. 1 shows the perspective view that the part of an assembly first embodiment of the present invention cuts;
Fig. 2 shows a chart that shows preferential embodiment operation shown in Figure 1;
Fig. 3 shows the perspective view that the part of different embodiment of water tank shown in Figure 1 disconnects;
Fig. 4 shows the partial cross section and the perspective view that partly disconnects of different embodiment of burner shown in Figure 1 and main heat exchanger;
Fig. 5 be Fig. 1 with Fig. 4 in the side view that disconnects of the part of different embodiment of main heat exchanger;
Fig. 6 is a perspective view that part disconnects, and shows a preferential embodiment according to device of the present invention is fixed on the wall;
Fig. 7 shows the schematic diagram of another the preferential embodiment that uses apparatus of the present invention;
Fig. 8 shows the front view of another preferential embodiment of the present invention; And
Fig. 9 shows the perspective view of another preferential embodiment of the hot water that is used for apparatus of the present invention.
A heater 1 (Fig. 1) comprises a burning line 2, the gas regulator 3 that draws with a signal, and signal draw the fan of air to burner, combustion gas and air mixed combustion on burner is provided.Combustion gas and air are mixed in the cylindrical inner core 6 of a general hollow, this inner core can have mixing arrangement (not drawing), it has the opening of leaving in the combustion space, around the combustion space heat exchanger 8 is arranged, the combustion space is surrounded by the substantial cylindrical urceolus of a top seal.Gas is deflected downwards, and is directed between the inwall of the outer wall of inner core 6 and urceolus 9 and flows along heat exchanger 8.The outer wall of the inwall of urceolus 9 and inner core 6 is preferably in the ring pipe that cooperates heat exchanger 8 in shape a little, thereby between the content of hot gas and heat exchanger good heat exchange is arranged.
In this embodiment, running water also further provides by a pipeline 18, it is used for pre-heating temperature at the running water such as 5-15 ℃, and the heat exchanger 19 by a fold is installed in the furnace gas discharging position 20, after flowing through the interior pipe 10 of heat exchanger 8, running water is directed into water tank 23 by male part 21 and pipeline 22 and does temporary transient the storage, just can obtain hot water immediately like this when the user fetches boiling water tap.Good heat insulation is carried out in the measure that water tank 23 is not drawn, the running water that it has an inner core 24 to make and enters is at first upwards driven as the arrow C indication, flow to discharging tube head 26 then so that discharge running water (arrow D) between tank outer wall 25 and inner core 24.
One second heat exchanger 27 has been installed in the space in the annular of water tank 23, by its flowing fluid of central heating system, central heating system is passed through pipeline 28, and three-way valve door 16 and pipeline 29 provide.
A control module that provides in the mode of not drawing is provided device of the present invention, and it is controlling three-way valve door 16, water pump 15 and gas regulator 3.Three-way valve door 16 controlled or heat a medium in the interior pipeline, perhaps be used under a certain situation, heat must be provided to continuously in the central heating tube road and go in this case, and the water supply on this central heating tube road and flowing line were among continuous the connection.
Curve in the chart of Fig. 2 demonstrates, and in the dwelling house that has the pipeline that definite length is arranged between outlet and the device of the present invention, when running water was discharged from, temperature was in 60 ℃ level in ± 15 seconds, and can not be lower than this level.Find that in the middle of this measures preferably delayed start is used for mainly adding the water pump of hot fluid a little, for example postpones 5-15 second, perhaps be set to and start working, water pump is set in lower water supply level so that when the heat energy of requirement is provided at burner.So still being present in cold water in the heat exchanger just is prevented to be heated and advances into water tank.
In a further embodiment, device of the present invention has a tap water tank 50 (Fig. 3), and comparing it with the water tank 23 of Fig. 1 can be created more simply and with lower cost.Heated running water is being directed passing through the feed pipe 51 below the water tank 50, enter in the groove between two continuous roll bendings 52 and 53 of spiral plate 55, this spiral plate is installed on the outside sandwich 54, makes the running water that provides be preheated before entering heat exchanger 56 inside by an inlet opening 57.An outlet line 58 on heat exchanger 56 bottoms is connected to its inside so that discharge the running water of heating.
In a different embodiment (not drawing), spiral plate 55 can be replaced by a plurality of concentric disks, and one in these disks are arranged on one and opening by water arranged.
In one of apparatus of the present invention different embodiment (Fig. 4), spiral heat exchanger 68 is installed in by in 65, one lids 66 of a urceolus and the inner core 67 determined space, and this heat exchanger comprises in an outer tube 69 and one manages 70.In order to improve efficiency of combustion, the air that provides by fan 71 with 72 combustion gas that provide be provided by an air feed utilize a plurality of flat boards 73,74,75,76 of horizontal positioned respectively to mix mutually, these flat boards all have access portal, these openings at alternate arrangement on the flat board that continues so that obtain the fluid-mixing of the good turbulent flow of mixing mutually of burning in burner 77.The gas that leaves burner 77 is being directed flowing and discharging from the below by a furnace gas opening 78 along the pipe of heat exchanger 68.Owing to the good mixing of air and combustion gas obtains normal combustion, thereby discharge CO and NOx as few as possible.In order to prevent interior pipe by superheated, the deflection plate 80 of a sealing is arranged at more than the plate 73-76 of band opening.
In a further preferential embodiment, be arranged between an external jacket 85 (Fig. 5) and the helix tube 88, be one be roughly columniform in the middle of chuck 89, opening 87 is by the spacing arrangement according to heat exchanger helical pipe 88 thereon.According to a kind of mode of not drawing, helix tube 88 can provide fin or tabular projection to increase heat exchange.Because opening 87 is positioned at the center line of helix tube, furnace gas is being pushed near as far as possible mode and is flowing along heat exchanger helix tube excircle, up to a space 90, is discharged downwards along these space 90 furnace gases.In order further to increase efficient, the dividing plate 91,92 that has an opening is settled by the further bottom spirally-wound tube along heat exchanger 88, further flows along heat exchanger so as to making furnace gas.
For installation and maintenance, the very important point is that device of the present invention can be done very compactly, can be fixed very easily on the wall, on the wall as a rack, will guarantee that simultaneously the inside of rack can be by approaching.According to a preferential embodiment of the present invention, the rack 93 (Fig. 6) that comprises a removable forepiece 94 and a back part 95, by back part be fixed on the strip plate 96 and be suspended on the there, strip plate 96 utilizes bolt 97 to be fixed on the wall W.For this purpose, flat board 98 is fixed and preferably is soldered on the back part 95, this flat board be coupled to strip plate 96 a hook end 99 the back and hang on it.Simultaneously, the bottom of back part 95 is fixed on the section bar 100 that is roughly the U-shaped cross section, and central authorities add the water supply of hot water and drainpipe and running water pipe and can be fixed on this section bar with pipe clamp 101,102 grades.Various parts as control circuit and other parts (not drawing), as running water heat exchanger and water tank, preferably are installed on the rear portion 95 of rack 93, and rack 93 utilizes installs being securely fixed on the wall W such as carriage 104 wherein.In another preferential embodiment (not drawing), the back part 95 of rack can have pin in the bottom, and it may be fitted in the groove of carriage 104, and owing to the weight of itself, rack 93 can not turn forward yet like this.
In embodiments of the invention shown in Figure 7, a further heat exchanger is arranged at the top of device 1 of the present invention, but this heat exchanger is placed on heat transfer type and touches discharge unit 20 such as furnace gas.In the porch of this further heat exchanger 40, Liang air L is imported into relatively, and heated air is admitted in the drying and washing machine 41 with energy-conservation form by arrow M and N indication respectively.
In the embodiment of Fig. 8, except the burner structure 120 (as shown in Figure 5) that has the mixing arrangement 121 that draws of signal, a heat exchanger 122 is arranged to replace water tank to be used for running water, thereby makes the present invention can do compactlyer.Device 125 has slidably connector 126 and 127 at the top, is used for the discharging with furnace gas of entering of easier connection air.Be used for center hot water, the difference of combustion gas and running water be connected be arranged at the bottom.These connect and preferably to be clamped in the parts that are shaped on the rack and can be screwed between the corresponding component on it, and these different parts can be installed in the rack that keeps flat like this, and corresponding component is pressed in to be screwed in the connection and puts in place then.Like this can convenient for assembly and fitting operation.
Very possible because good thermal balance, the big temperature difference can not appear among the Compact Design according to apparatus of the present invention, have been found that according to the discharging of the Co of device of the present invention and Nox extremely low.Measurement shows that the efficient of device of the present invention reaches 100% of theoretical calculating, under any circumstance all greater than 95%, and the discharging of Co and Nox simultaneously very low (maximum is respectively when 32KW: approximately 95ppm and approximately 13ppm).
A further embodiment who is called as hot water conveying end (Fig. 9), being roughly columniform container by one constitutes, this container can be a metal, but preferably use two plastic housings 131 respectively, 132 are assembled, these two plastic housings can link together with removably as ring or bolt with connection means (not drawing), so that regularly open and clear up water tank.To be installed in the container 130 be a spiral metal tube 133, and preferably metal is pipe or sleeve pipe 134 in its outside, as thin plastic tube (for example wall thickness is less than 1 millimeter).By connecting tube head 135, hot water is taken out to send into from heating system manages 133 in the spiral, turn back to this system again at the top by connecting tube head 136 water simultaneously.Heated running water is brought into container 130 by connecting tube head 137, be in simultaneously and manage the water in the space between 133 in plastic tube 134 and the spiral, be directed downwards, enter 138, one hot water pipings of connection tube head by the top part and be connected on this tube head 138.Pad with the mode of not drawing in one section definite distance is placed in, manage 133 and plastic tube 134 between so that prevent to be heated the channel jam of water.A Temperature Detector is installed in the container in the mode of not drawing, and near connecting tube head 137, whether the water temperature in this detector monitors container is lower than a certain temperature, and such as 40 ℃, Re central hot water just must be provided then.The water that is used to heat at first is preheated when moving upward, when between lower edge helix tube 133 and plastic tube 134, flowing by heat intensive.Because pipe 133 has used plastic tube in the encirclement spiral, thereby obtained for reducing the very effective heat exchanger of cost, central tube can use standard simultaneously, material on sale on the market.This structure is very compact, and it can be used in aforesaid compact heater.
The present invention is not limited to above-mentioned preferential embodiment.It is contemplated that out many improvement within the scope of the present invention, this scope is carried out in claims of back and defines.A this non-limiting improved example, be to settle one second tap water tank in device according to the present invention, to go, this is because also have excess room in the inside of this device, and the stable high-temperature of running water can be guaranteed more accurately.
Claims (17)
1. be used to add the device of hot fluid, comprise:
First supply equipment is used to provide fuel;
Second supply equipment is used to provide oxidant;
Burner apparatus is used for burning after fuel and oxidant are mixed;
One first heat exchanger, the furnace gas heating of its burned device equipment, and be arranged in a spiral manner around burner apparatus.
2. according to the device of claim 1, it is characterized in that burner apparatus comprises mixing apparatus, so that fuel combination and oxidant.
3. according to the device of claim 2, it is characterized in that mixing apparatus comprises a plurality of flat board members that have access portal.
4. the device of would stating according to aforementioned any one claim is characterized in that, the chuck of band opening is around the spiral heat exchanger arrangement.
5. according to any one device of would stating among the claim 1-4, it is characterized in that first heat exchanger has in one pipe and extension outer tube on it, manage the master who is flowed through at least in part between the inner and outer pipes in wherein and add hot fluid and heat.
6. require any one device of would stating among the 1-5 according to aforesaid right, it has the water tank of an interim storage hot water, it is characterized in that, water tank comprises one second heat exchanger, it in operation with the first heat exchanger associated.
7. the device of would stating according to aforementioned any one claim is characterized in that, the heat exchanger in the water tank links to each other with a heating line.
8. the device of would stating according to aforementioned any one claim is characterized in that, has the 3rd heat exchanger that utilizes the pre-hot tap-water of furnace gas.
9. the device of would stating according to aforementioned any one claim is characterized in that, has pump equipment, and pump equipment has speed regulator, has an ON/OFF control at least, it is characterized in that the moment adjusting that rotating speed is removed according to running water.
10. according to the device of claim 9, it is characterized in that annular space has an interior profile, this profile is suitable with the outline of heat exchanger tube at least a little.
11. the device according to aforementioned any one claim is stated is characterized in that, has one No. three current divider, it with first heat exchanger the primary importance that links to each other with heating line and with the second place that second heat exchanger links to each other between phase transformation.
12. the device according to aforementioned any one claim is stated is characterized in that, has a control module so that temporarily interrupt or reduce the water supply function of water pump.
13. the device of would stating according to aforementioned any one claim, it is characterized in that, have a heat exchange unit, but this heat exchange unit is mounted to such an extent that contact with heat exchange mode with the top of device, and is provided with an inlet of supply heat medium and an outlet of heated medium.
14. a method of operating is used for any one device of would being stated as claim 1-13.
15. according to any one device of would stating among the claim 1-13, it is characterized in that, have the suspension equipment that it is hung.
16. according to any one device of would stating among the claim 1-13, it is characterized in that, the water tank that has an interim storage hot water is characterized in that being equipped with in the water tank a main helix tube, is mounted with outer tube of handy plastic production around this helix tube.
17. the device according to claim 16 is characterized in that, water tank constitutes with the hull shape parts that removably connects with two or more.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL1004410A NL1004410C2 (en) | 1996-11-01 | 1996-11-01 | Heater and method for operating it. |
| NL1004410 | 1996-11-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1210582A true CN1210582A (en) | 1999-03-10 |
Family
ID=19763781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN97192002A Pending CN1210582A (en) | 1996-11-01 | 1997-11-03 | Heating apparatus and method for operation thereof |
Country Status (10)
| Country | Link |
|---|---|
| EP (1) | EP0880660B1 (en) |
| JP (1) | JP2000505881A (en) |
| KR (1) | KR100557803B1 (en) |
| CN (1) | CN1210582A (en) |
| AT (1) | ATE278163T1 (en) |
| AU (1) | AU5479698A (en) |
| CA (1) | CA2241944A1 (en) |
| DE (1) | DE69730948T2 (en) |
| NL (1) | NL1004410C2 (en) |
| WO (1) | WO1998020287A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100445681C (en) * | 2003-04-25 | 2008-12-24 | R·詹诺尼 | Condensation heat exchanger with a gas/air heat collector |
| CN109631322A (en) * | 2018-10-17 | 2019-04-16 | 中山市思源电器有限公司 | A kind of gas heater |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL1009884C2 (en) | 1998-08-17 | 2000-02-23 | Coopra B V | Combustion device with sealing means. |
| ITAN20060076A1 (en) | 2006-12-22 | 2008-06-23 | Merloni Termosaniatri Spa | HEAT EXCHANGER WITH SERPENTINE VARIABLE DIAMETER |
| US8656867B2 (en) | 2009-08-18 | 2014-02-25 | Intellihot Green Technologies, Inc. | Coil tube heat exchanger for a tankless hot water system |
| KR101363545B1 (en) | 2012-07-11 | 2014-02-14 | 엘지전자 주식회사 | Heat exchanger |
| KR101384758B1 (en) | 2012-07-11 | 2014-04-14 | 엘지전자 주식회사 | Heat exchanger |
| EP2762820B1 (en) | 2013-02-01 | 2016-04-27 | LG Electronics, Inc. | Air conditioner and heat exchanger therefor |
| GB201610729D0 (en) * | 2016-06-20 | 2016-08-03 | Evans Peter And Sallaku Arben | Boiler |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL7606031A (en) * | 1975-06-09 | 1976-12-13 | Maurice Vidalenq | GAS HEATING DEVICE. |
| US4222350A (en) * | 1978-06-26 | 1980-09-16 | Boston Gas Products, Inc. | Efficient heating and domestic hot water apparatus |
| DE8530184U1 (en) * | 1985-10-22 | 1986-05-07 | Joh. Vaillant Gmbh U. Co, 5630 Remscheid | Water heater |
| GB2228563A (en) * | 1989-02-28 | 1990-08-29 | Michael John Nunnerley | Heat exchange system |
| KR950002487B1 (en) * | 1992-05-12 | 1995-03-20 | 주식회사금성사 | Heat exchanger for gas boiler |
| DE9213594U1 (en) * | 1992-10-14 | 1993-03-18 | Marek, Rudolf, 2000 Hamburg, De |
-
1996
- 1996-11-01 NL NL1004410A patent/NL1004410C2/en not_active IP Right Cessation
-
1997
- 1997-11-03 JP JP10521069A patent/JP2000505881A/en active Pending
- 1997-11-03 AU AU54796/98A patent/AU5479698A/en not_active Abandoned
- 1997-11-03 CA CA002241944A patent/CA2241944A1/en not_active Abandoned
- 1997-11-03 CN CN97192002A patent/CN1210582A/en active Pending
- 1997-11-03 AT AT97951143T patent/ATE278163T1/en active
- 1997-11-03 EP EP97951143A patent/EP0880660B1/en not_active Expired - Lifetime
- 1997-11-03 KR KR1019980705087A patent/KR100557803B1/en not_active IP Right Cessation
- 1997-11-03 DE DE69730948T patent/DE69730948T2/en not_active Expired - Lifetime
- 1997-11-03 WO PCT/EP1997/006179 patent/WO1998020287A1/en active IP Right Grant
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100445681C (en) * | 2003-04-25 | 2008-12-24 | R·詹诺尼 | Condensation heat exchanger with a gas/air heat collector |
| CN109631322A (en) * | 2018-10-17 | 2019-04-16 | 中山市思源电器有限公司 | A kind of gas heater |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0880660B1 (en) | 2004-09-29 |
| WO1998020287A1 (en) | 1998-05-14 |
| JP2000505881A (en) | 2000-05-16 |
| NL1004410C2 (en) | 1998-05-14 |
| EP0880660A1 (en) | 1998-12-02 |
| KR100557803B1 (en) | 2006-08-30 |
| AU5479698A (en) | 1998-05-29 |
| DE69730948D1 (en) | 2004-11-04 |
| ATE278163T1 (en) | 2004-10-15 |
| DE69730948T2 (en) | 2006-02-23 |
| CA2241944A1 (en) | 1998-05-14 |
| KR19990076959A (en) | 1999-10-25 |
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