EP2388534A2 - Chauffe-eau à économie d'énergie - Google Patents

Chauffe-eau à économie d'énergie Download PDF

Info

Publication number
EP2388534A2
EP2388534A2 EP11152671A EP11152671A EP2388534A2 EP 2388534 A2 EP2388534 A2 EP 2388534A2 EP 11152671 A EP11152671 A EP 11152671A EP 11152671 A EP11152671 A EP 11152671A EP 2388534 A2 EP2388534 A2 EP 2388534A2
Authority
EP
European Patent Office
Prior art keywords
water storage
room
heat
heating room
water
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.)
Withdrawn
Application number
EP11152671A
Other languages
German (de)
English (en)
Other versions
EP2388534A3 (fr
Inventor
Yang Shun-Chi
Hsiung Yang Mao
Tsung-Chuan YANG
Ming-Wu FANG
Wu CHENG-YEN
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
Publication of EP2388534A2 publication Critical patent/EP2388534A2/fr
Publication of EP2388534A3 publication Critical patent/EP2388534A3/fr
Withdrawn legal-status Critical Current

Links

Images

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
    • F24H1/22—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating
    • F24H1/225—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating electrical central heating boilers
    • 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
    • F24H1/18—Water-storage heaters
    • F24H1/20—Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes
    • F24H1/201—Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes using electric energy supply
    • 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
    • F24H1/18—Water-storage heaters
    • F24H1/20—Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes
    • F24H1/208—Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes with tubes filled with heat transfer fluid
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
    • F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
    • F28D15/0275—Arrangements for coupling heat-pipes together or with other structures, e.g. with base blocks; Heat pipe cores
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/02—Induction heating
    • H05B6/10—Induction heating apparatus, other than furnaces, for specific applications
    • H05B6/105—Induction heating apparatus, other than furnaces, for specific applications using a susceptor
    • H05B6/108—Induction heating apparatus, other than furnaces, for specific applications using a susceptor for heating a fluid
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D2220/00—Components of central heating installations excluding heat sources
    • F24D2220/07—Heat pipes
    • 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
    • F24H1/06—Portable or mobile, e.g. collapsible
    • 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
    • F24H2250/00—Electrical heat generating means
    • F24H2250/08—Induction

Definitions

  • the present invention relates to a water boiler and, more particularly, to a water boiler by means of high-frequency heating.
  • a water boiler operated on gas, natural gas or diesel is often used in a school, hospital, hotel, office, factory, military camp or the like to provide water for drinking or washing.
  • an electric water boiler can be used.
  • problems such as a low heating rate and a high thermal loss that causes a problem to the environment.
  • a water boiler of the present invention includes a water storage tank, a heater, and a heat pipe unit.
  • the water storage tank includes a heating room, an outer water storage room, and an inner water storage room located between and spaced from the heating room and the outer water storage room in a radial direction.
  • the heating room is in the center of the water storage tank, and the inner and outer water storage rooms are outside of the heating room in the radial direction.
  • the outer water storage room is adapted for containing water from a water inlet pipe.
  • the inner water storage room is in communication with the outer water storage room and the heating room such that the water in the outer water storage room can flow into the inner water storage room and the heating room for storage.
  • the heater includes an induction coil located out of the water storage tank.
  • the heat-transfer pipe unit includes at least one heat-transfer pipe.
  • the heat-transfer pipe includes upper and lower segments spaced in a vertical direction perpendicular to the radial direction. The upper segment of the heat-transfer pipe is received in the heating room of the water storage tank, and the lower segment of the heat-transfer pipe is located out of the heating room and received in the induction coil of the heater. The heat-transfer pipe is heated to heat the water in the heating room when the induction coil turns ON.
  • the water storage tank includes a top plate, a bottom plate, and a side plate formed between the top plate and the bottom plate and defining a periphery of the water storage tank.
  • the water storage tank further includes first and second partition boards partitioning an interior of the water storage tank into the heating room, the inner water storage room, and the outer water storage room. The first partition board separates the inner water storage room from the outer water storage room, and the second partition board separates the inner water storage room from the heating room.
  • the heat pipe unit includes a plurality of heat-transfer pipes.
  • Each of the heat-transfer pipes is filled with heat conduction liquid.
  • the upper segment of each of the heat-transfer pipes is provided with a plurality of heat transmission fins.
  • the induction coil includes a plurality of spiral coil segments. The lower segment of each of the heat-transfer pipes is received in one of the spiral coil segments of the induction coil.
  • the water boiler further includes a first communicating pipe in the heating room and a second communicating pipe in the inner water storage room so that the inner water storage room communicates the outer water storage room with the heating room.
  • Each of the first and second communicating pipes includes upper and lower ends spaced in the vertical direction.
  • the first partition board is provided with a first communicating port near the top plate of the water storage tank.
  • the upper end of the second communicating pipe is engaged with the first communication port, and the lower end of the second communicating pipe is adjacent to the bottom plate of the water storage tank.
  • the second partition board is provided with a second communicating port near the top plate of the water storage tank.
  • the upper end of the first communicating pipe is engaged with the second communication port, and the lower end of the first communicating pipe is adjacent to the bottom plate of the water storage tank.
  • FIGS. 1 through 6 of the drawings An energy-saving water boiler of an embodiment of the present invention is shown in FIGS. 1 through 6 of the drawings and generally designated 10.
  • the water boiler 10 includes a water storage tank 12, a communicating pipe unit 14, a heater 16, and a heat pipe unit 18.
  • the water storage tank 12 is provided with an outer shell 20.
  • a man-machine interface (operation panel) 22 is provided for users to do settings and /or read the temperature of hot water.
  • a support frame 24 is provided below the water storage tank 12 to support the water storage tank 12.
  • the water storage tank 12 includes a top plate 26, a bottom plate 28, and a side plate 30 formed between the top plate 26 and the bottom plate 28 and defining a periphery of the water storage tank 12.
  • the water storage tank 12 further includes a plurality of round partition boards therein to partition the water storage tank 12 into a heating room 34, an outer water storage room 36, and at least one inner water storage room between and spaced from the heating room 34 and the outer water storage room 36 in a radial direction.
  • an interior of the water storage tank 12 is partitioned by first, second, and third partition boards 32, 33 and 35 and includes a first inner water storage room 38 inside of the outer water storage room 36, and a second inner water storage room 40 between the first inner water storage room 38 and the heating room 34.
  • the first partition board 32 separates the first inner water storage room 38 from the outer water storage room 36
  • the second partition board 33 partitions the second inner water storage room 40 from the first inner water storage room 38
  • the third partition board 35 partitions the second inner water storage room 40 from the heating room 34.
  • the second inner water storage room 40 is located outside the heating room 34 in the radial direction.
  • the heating room 34 is located at the center of water storage tank 12 and in the form of a cylinder.
  • An opening 42 is formed at a bottom of heating room 34 so that a portion of heat pipe unit 18 can be installed in the heating room 34 from the opening 42. When heat pipe unit 18 is mounted in the heating room 34, the opening 42 is sealed so that water can be stored in the heating room 34.
  • An outlet pipe 44 is provided in the heating room 34 so that the water in the heating room 34 may be outputted from the outlet pipe 44.
  • the outlet pipe 44 includes an upper end 46 in the heating room 34 and adjacent to the top plate 26 of water storage tank 12, and a lower end 48 extending out of the heating room 34 and connecting to a check valve 50.
  • the outer water storage room 36 that is in the form of a ring is located at an inner side of the side plate 30 of the water storage tank 12.
  • a water inlet port 52 is provided in the bottom plate 28 of outer water storage room 36 and connects to a water inlet pipe 54.
  • One end of water inlet pipe 54 connects to a water storage device such as a water tower (not shown) so that cool water 56 to be heated can be supplied to the outer water storage room 36.
  • a baffle board 60 is mounted in the outer water storage room 36 such that the water 56 flowing into the outer water storage room 36 can be stopped by the baffle board 60 to reduce inflow velocity of water.
  • a check valve 58 is provided on the water inlet pipe 54 so that water 56 in the outer water storage room 36 does not flow back.
  • First partition board 32 includes two first communication ports 62 opposite to each other in a circumferential direction of the first partition board 32 and near the top plate 26 (see FIG. 4 ).
  • First communication ports 62 communicate the first inner water storage room 38 with the outer water storage room 36, allowing water 56 in the outer water storage room 36 flowing into the first inner water storage room 38 when the level of water 56 in the outer water storage room 36 reaches to the height of first communication ports 62.
  • Second partition board 33 includes two second communication ports 64 opposite to each other in a circumferential direction of the second partition board 33 and near the top plate 26 (see FIG. 5 ).
  • Second communication ports 64 communicate the first inner water storage room 38 with the second inner water storage room 40 so that the water 56 in the first inner water storage room 38 flows into the second inner water storage room 40 when the level of water 56 in the first inner water storage room 38 reaches to the height of second communication ports 64.
  • Third partition board 35 includes two third communication ports 66 opposite to each other in a circumferential direction of the third partition board 35 and near the top plate 26 ( FIG. 5 ).
  • Third communication ports 66 communicate the heating room 34 with the second inner water storage room 40 so that the water 56 in the second inner water storage room 40 flows into the heating room 34 when the level of water 56 in the second inner water storage room 40 reaches to the height of third communication ports 66.
  • the communicating pipe unit 14 includes two first communicating pipes 68 in the heating room 34, two second communicating pipes 70 in the second inner water storage room 40, and two third communicating pipes 72 in the first inner water storage room 38.
  • Each communicating pipe includes upper and lower ends 74 and 76 spaced in a vertical direction.
  • the upper end 74 of each first communicating pipe 68 connects to one of the third communication ports 66, and the lower end 76 of each first communicating pipe 68 is adjacent to the bottom plate 28 of the water storage tank 12 so that the water 56 flowing from the second inner water storage room 40 into the heating room 34 is through a lower portion of heating room 34.
  • each second communicating pipe 70 connects to one of the second communication ports 64, and the lower end 76 of each second communicating pipe 70 is adjacent to the bottom plate 28 so that water 56 flowing from the first inner water storage room 38 into the second inner water storage room 40 is through a lower portion of second inner water storage room 40.
  • the upper end 74 of each third communicating pipe 72 connects to one of the first communication ports 62, and the lower end 76 of each third communicating pipe 72 is adjacent to the bottom plate 28 so that the water 56 flowing from the outer water storage room 36 into the first inner water storage room 38 is through the lower portion of first inner water storage room 38.
  • the heater 16 is operated on high-frequency and includes an induction coil 78 provided out of the water storage tank 12.
  • the induction coil 78 includes a plurality of spiral coil segments 79.
  • the induction coil 78 is electrically connected to a set of high-frequency equipment 80 to supply high-frequency current to the induction coil 78.
  • the power of the set of high-frequency equipment 80 may be AC power or a solar power generation system 82 with a tracking mechanism, as shown in FIG 6 .
  • the heat pipe unit 18 includes a plurality of heat-transfer pipes 84.
  • Each heat-transfer pipe 84 is a metallic pipe filled with heat conduction liquid and includes upper and lower segments 86 and 88 spaced in the vertical direction.
  • the heat pipe unit 18 further includes a supporting base 92 mounted on support frame 24 for positioning heat-transfer pipes 84.
  • the upper segment 86 of each heat-transfer pipe 84 is arranged in the heating room 34 of water storage tank 12, and a plurality of heat transmission fins 90 are provided around the upper segment 86 of each heat-transfer pipe 84.
  • each heat-transfer pipe 84 is out of the heating room 34 of water storage tank 12 and received in one of the coil segments 79 of induction coil 78 so that eddy current caused by the induction coil 78 may momentarily heat heat-transfer pipes 84.
  • a groove 93 is formed in each first communicating pipe 68 so that the modular heat pipe unit 18 may be installed in the heating room 34 by means of the grooves 93 as a guide way of alignment.
  • cool water 56 is firstly sent into outer water storage room 36 through water inlet pipe 54 and then flows through the third communicating pipe 72, the second communicating pipe 70, and the first communicating pipe 68 sequentially to the first inner water storage room 38, the second inner water storage room 40, and the heating room 34.
  • the induction coil 78 induces eddy current to momentarily heat heat-transfer pipes 84 (to 800 degrees above).
  • the heat-transfer pipes 84 is heated, the temperature of heat-transfer pipes 84 heats the water 56 in the heating room 34 through the heat transmission fins 90 so that the water 56 in the heating room 34 becomes hot water.
  • a temperature detector (not shown) is provided on the outlet pipe 44 to detect the temperature of hot water 56 outputted from the outlet pipe 44.
  • the temperature detector is electrically connected to a control device (not shown) to control the high-frequency heater 16 so that the hot water 56 outputted from the outlet pipe 44 may reach to a determined temperature.
  • the top plate 26 of water storage tank 12 is provided with an exhaust port 94.
  • the exhaust port 94 may be provided at the inlet pipe 54.
  • a pressure relief valve 96 is provided above the heating room 34 so that the extremely high pressure of vapor may be relieved outward.
  • the heater 16 of the water boiler 10 heats the heat-transfer pipes 84 of heat pipe unit 18 by means of a small current to a high temperature ranging between 200 and 1000 degrees.
  • a high temperature ranging between 200 and 1000 degrees.
  • the high temperature of heat-transfer pipes 84 is rapidly transmitted to the water 56 in the heating room 34 for heating. It is featured with lower power consumption, no danger of gas, power saving, carbon emission reduction, and safety.
  • the temperature of water in the heating room 34 may be sequentially transmitted to the water 56 in the first and second inner water storage rooms 38 and 40 and the outer water storage room 36 for pre-heating so that when water is supplemented from the inner water storage rooms 38 and 40 to the heating room 34, the variation of the temperature of water in the heating room 34 is small and may be stable.
  • the hot water 56 outputted from the outlet pipe 44 may be controlled for a precise temperature.
  • a pipe of small or large diameter may be used to reduce the length of piping and lower the volume, which advantageously save materials and does not occupy a space.
  • the heater 16 can be operated on microwave instead of the high-frequency. It is apparent that there may be one or more than two inner water storage rooms formed between the heating room 34 and the outer water storage room 36. There may be one or more than two first communication ports 62, second communication ports 64, and third communication ports 66.
  • the heat pipe unit 18 may includes one or two heat-transfer pipes 84.
  • the control device may be provided with a circuit preventing empty burning and with an automatic power dump switch for the safety of operation.
  • the heat-transfer pipe 84 may also be provided in inner water storage rooms 38 and 40.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Electromagnetism (AREA)
  • Heat-Pump Type And Storage Water Heaters (AREA)
  • Central Heating Systems (AREA)
  • Steam Or Hot-Water Central Heating Systems (AREA)
EP11152671.1A 2010-05-21 2011-01-31 Chauffe-eau à économie d'énergie Withdrawn EP2388534A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW99116373A TW201142222A (en) 2010-05-21 2010-05-21 Power-saving water boiling machine

Publications (2)

Publication Number Publication Date
EP2388534A2 true EP2388534A2 (fr) 2011-11-23
EP2388534A3 EP2388534A3 (fr) 2014-08-27

Family

ID=43796085

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11152671.1A Withdrawn EP2388534A3 (fr) 2010-05-21 2011-01-31 Chauffe-eau à économie d'énergie

Country Status (2)

Country Link
EP (1) EP2388534A3 (fr)
TW (1) TW201142222A (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2960592A1 (fr) * 2014-06-25 2015-12-30 Gdf Suez Chaudière encastrable dans un meuble, meuble pour encastrement d'une chaudière, procédés d'installation et de maintenance d'une chaudière
KR101663131B1 (ko) * 2016-07-25 2016-10-07 주식회사 가나에너지 온수 가열용 히터 및 그 제조 방법
CN109631641A (zh) * 2019-01-29 2019-04-16 青岛金玉大商贸有限公司 一种重力热管
CN109631640A (zh) * 2019-01-29 2019-04-16 青岛金玉大商贸有限公司 一种重力热管的设计方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB447338A (en) * 1934-11-15 1936-05-15 Alan Leslie Wright Improvements in apparatus for heating liquids
US2033443A (en) * 1934-12-26 1936-03-10 Moses John Electric water heater
DE2433790C2 (de) * 1974-07-13 1985-05-30 Günter Prof. Dr. Dr.-Ing. 7300 Esslingen Wößner Elektrischer Heizstab
US4514617A (en) * 1983-01-19 1985-04-30 Haim Amit Two-stage electric water heater
CH681044A5 (en) * 1989-12-30 1992-12-31 Gnosis Ets Heating element for hot water tank - has pipe protruding through tank bottom heated by induction heater connected to mains
US6787742B2 (en) * 2001-07-23 2004-09-07 Ken Kansa High-frequency induction heating device
CN1142706C (zh) * 2001-11-18 2004-03-17 吴荣华 液用三相工频电磁感应及短路加热装置和方法
TWI239380B (en) * 2001-12-31 2005-09-11 Jiun-Guang Luo Method and device for efficiently heating water

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2960592A1 (fr) * 2014-06-25 2015-12-30 Gdf Suez Chaudière encastrable dans un meuble, meuble pour encastrement d'une chaudière, procédés d'installation et de maintenance d'une chaudière
FR3022990A1 (fr) * 2014-06-25 2016-01-01 Gdf Suez Chaudiere encastrable dans un meuble, meuble pour encastrement d'une chaudiere, procedes d'installation et de maintenance d'une chaudiere
KR101663131B1 (ko) * 2016-07-25 2016-10-07 주식회사 가나에너지 온수 가열용 히터 및 그 제조 방법
CN109631641A (zh) * 2019-01-29 2019-04-16 青岛金玉大商贸有限公司 一种重力热管
CN109631640A (zh) * 2019-01-29 2019-04-16 青岛金玉大商贸有限公司 一种重力热管的设计方法
CN110906771A (zh) * 2019-01-29 2020-03-24 青岛吉云德和商贸有限公司 一种加热功率变化的重力热管
CN109631640B (zh) * 2019-01-29 2020-04-10 青岛佰腾科技有限公司 一种加热熏洗药液重力热管的设计方法
CN109631641B (zh) * 2019-01-29 2020-06-05 青岛吉云德和商贸有限公司 一种加热熏洗药液的重力热管
CN111486731A (zh) * 2019-01-29 2020-08-04 青岛吉云德和商贸有限公司 一种边长变化的重力热管
CN111486730A (zh) * 2019-01-29 2020-08-04 青岛吉云德和商贸有限公司 一种流体通道间隔设置的重力热管
CN110906771B (zh) * 2019-01-29 2021-06-01 南京溧水高新产业股权投资有限公司 一种加热功率变化的重力热管

Also Published As

Publication number Publication date
TWI426221B (fr) 2014-02-11
EP2388534A3 (fr) 2014-08-27
TW201142222A (en) 2011-12-01

Similar Documents

Publication Publication Date Title
US8269153B2 (en) Energy-saving water boiler utilizing high-frequency induction coil heating
US8450666B2 (en) High-efficiency water boiling device
EP2388534A2 (fr) Chauffe-eau à économie d'énergie
KR20120136710A (ko) 중화렌지 열을 이용한 온수발생장치
US9121602B2 (en) Steam generator
KR101163414B1 (ko) 전기스팀보일러
CN110736089B (zh) 一种根据水温控制阀门开闭的蒸汽发生器
KR101261569B1 (ko) 이중 자켓형 태양열 온수기
EP2420755A2 (fr) Chaudière à haut rendement
CN212390334U (zh) 一种冷凝式燃气蒸汽模块炉
CN100567842C (zh) 油水交换直热式热水器
KR20090070462A (ko) 열 매체유를 이용한 보일러
KR100889799B1 (ko) 이중 순간 가열식 전기보일러
CN202660739U (zh) 一种高效盘管式油水换热蒸发器
KR20160048560A (ko) 전기 보일러
CN208487780U (zh) 一种光波壁挂炉
WO2011150669A1 (fr) Chaudière à eau
WO2009059565A1 (fr) Système de chauffage à circulation unidirectionnelle du fluide
CN106123338A (zh) 一种新型能源金属离子超导热取暖炉
CN101165387A (zh) 油田油(气)输送热管电加热容器
CN203586546U (zh) 一种导热油加热热水器
CN217792587U (zh) 一种蒸箱管路结构及其电蒸箱和电蒸烤箱
CN103300700B (zh) 一种能混合使用太阳能与电能的双加热体饭煲
CN202281370U (zh) 电磁节能安全热水煲
CN207262722U (zh) 一种阶梯升温式电加热采暖锅炉

Legal Events

Date Code Title Description
AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

RIC1 Information provided on ipc code assigned before grant

Ipc: F24H 1/22 20060101ALI20140722BHEP

Ipc: H05B 6/02 20060101ALI20140722BHEP

Ipc: F28D 15/02 20060101ALI20140722BHEP

Ipc: F24H 1/20 20060101ALI20140722BHEP

Ipc: F24H 1/06 20060101AFI20140722BHEP

17P Request for examination filed

Effective date: 20150226

RBV Designated contracting states (corrected)

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

RIC1 Information provided on ipc code assigned before grant

Ipc: H05B 6/10 20060101ALI20160718BHEP

Ipc: H05B 6/02 20060101ALI20160718BHEP

Ipc: F24H 1/06 20060101AFI20160718BHEP

Ipc: F28D 15/02 20060101ALI20160718BHEP

Ipc: F24H 1/20 20060101ALI20160718BHEP

Ipc: F24H 1/22 20060101ALI20160718BHEP

INTG Intention to grant announced

Effective date: 20160810

GRAJ Information related to disapproval of communication of intention to grant by the applicant or resumption of examination proceedings by the epo deleted

Free format text: ORIGINAL CODE: EPIDOSDIGR1

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

INTC Intention to grant announced (deleted)
INTG Intention to grant announced

Effective date: 20161013

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20170224