WO2009093832A2 - 유체 가열장치 - Google Patents
유체 가열장치 Download PDFInfo
- Publication number
- WO2009093832A2 WO2009093832A2 PCT/KR2009/000295 KR2009000295W WO2009093832A2 WO 2009093832 A2 WO2009093832 A2 WO 2009093832A2 KR 2009000295 W KR2009000295 W KR 2009000295W WO 2009093832 A2 WO2009093832 A2 WO 2009093832A2
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- WO
- WIPO (PCT)
- Prior art keywords
- fluid
- heating
- ceramic heater
- flow path
- plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- 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
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- 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
- F24H1/10—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium
- F24H1/12—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium in which the water is kept separate from the heating medium
- F24H1/121—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium in which the water is kept separate from the heating medium using electric energy supply
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- 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
-
- 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
- F24H1/202—Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes using electric energy supply with resistances
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- 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
- F24H9/00—Details
- F24H9/18—Arrangement or mounting of grates or heating means
- F24H9/1809—Arrangement or mounting of grates or heating means for water heaters
- F24H9/1818—Arrangement or mounting of electric heating means
- F24H9/1827—Positive temperature coefficient [PTC] resistor
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- 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
- H05B3/00—Ohmic-resistance heating
- H05B3/40—Heating elements having the shape of rods or tubes
- H05B3/42—Heating elements having the shape of rods or tubes non-flexible
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- 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
- H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
- H05B2203/021—Heaters specially adapted for heating liquids
Definitions
- the present invention relates to a fluid heating device, and more particularly, to the provision of a compact fluid heating device capable of immediately heating a flowing fluid to be supplied or circulated, with good heating efficiency.
- the water quantitatively stored in the tank 2 is always heated and kept at a predetermined set temperature (for example, about 40 ° C) by the heater 3.
- a predetermined set temperature for example, about 40 ° C
- the use time should be limited, and in order to maintain a constant temperature, there is a restriction that hot water at an appropriate temperature can be used only intermittently.
- the size of the device in order to secure a constant storage capacity, the size of the device must be increased due to the size of the storage container, and in order to be able to use it at any time, power is continuously supplied to maintain a constant temperature of the storage container where a constant heat dissipation loss occurs. It has to take power loss, and has a hygienic problem because it maintains a temperature that is easy to proliferate bacteria, molds and the like.
- the instantaneous heating fluid heating device 5 using the cylindrical ceramic heater may be devised and used.
- the temperature is instantaneously set by the electric heating of the ceramic heater (6) while the water (or fluid) is introduced into the heating tank (7) through the inner diameter surface of the cylindrical ceramic heater (6). Since it can be heated up to a long time there is an advantage that can be discharged hot water at a constant temperature for a long time.
- the diameter of the cylindrical ceramic heater used here is reduced, it is difficult to manufacture precisely, and the heat generating area is reduced so that it must be more than a certain size.
- the cross-sectional area of the flow path is large, the flow rate is small, the heat transfer efficiency is poor, there is a problem that the thermal efficiency of the hot water device is also bad.
- the instantaneous solubility of oxygen dissolved in the water decreases, and very small bubbles are generated. These bubbles can be discharged to the outlet by the flow of water at a high flow rate, but at a slow flow rate. It is trapped on the surface of the ceramic heating element and is likely to grow into large bubbles.
- the ceramic heating element When the bubbles are collected on the surface of the ceramic heating element and the size of the bubbles grows further, the ceramic heating element receives local thermal imbalance and thermal shock, leading to breakage.
- the heating area must be significantly reduced if the flow rate is to be increased, and if the cylindrical ceramic heater is used, the flow rate of the ceramic surface can be slowed if the heating area is to be increased. It has a fundamental problem.
- FIG. 3 shows another embodiment of the fluid heating device 10, which includes a ceramic plate heater 12 between the plate device bodies 11 and a flow path 13 in the device body 11 to form a heat exchange unit. It was also devised as a form.
- the fluid heating device 10 as described above may be suitable for miniaturization by performing heat exchange through a flow path formed in a constant heating area, but a partition wall formed to form the flow path 13 on the heat-generating surface of the heater 12 ( 14) is further reduced and the heating area is reduced, further reducing the direct heating area delivered to the fluid to be heated.
- Dynamic heat exchange equilibrium in which water inlet and outlet exist simultaneously in a single ceramic heating plane, can exacerbate the temperature variation of ceramic plate heaters, making it difficult to increase the capacity. Due to the area reduction effect, the internal pressure for passing a constant flow rate must be increased, and the required power density per unit area must be further increased.
- the water heater is difficult to miniaturize the size of the device, the capacity for immediate use is limited, continuous power loss occurs while not in use, and the storage container remains in an unsanitary state. There is a problem that can be exposed.
- the instantaneous hot water heater can improve the miniaturization and responsiveness, but it has limitations and improves the thermal imbalance due to the characteristics of the ceramic heater that is weak to thermal shock.
- cylindrical ceramic heaters have limitations such as limited heating responsiveness and thermal shock breakage due to bubble growth.
- the improved structure of the flat-type ceramic heater prevents the heating surface from shrinking because the wall forming the flow path is not in contact with the heating surface, but the response may be very deteriorated because the heater must be heated to the hot water auxiliary tank with one heater. .
- the ceramic heating element has a fragile structure that is easily exposed to thermal shock breakage.
- the present invention has been invented to solve the above problems, and is configured to maximize the heat exchange surface between the heating element and the fluid to a small volume to heat the fluid to reach a constant temperature at a rapid response speed by instantaneous heating
- This paper suggests ways to improve efficiency.
- a heating electrode having a constant resistance is provided with a single or a plurality of ceramic heaters inherent in the ceramic insulator, and a heating flow path through which the fluid can be heat-exchanged is formed on the heating surfaces of the heaters. It is characterized in that the area in contact with the heating surface per unit volume can be sufficiently widened to enhance the heat exchange efficiency.
- the ceramic heater has two heat generating surfaces capable of exchanging high energy density heat energy while being insulated from a fluid such as water because its heating resistor is inherent in the ceramic insulator, and moves horizontally on one heat generating surface.
- the fluid flow through the opposite heat generating surface can maintain a relatively high flow rate, but the heat generating surface contact area per unit volume of the flow path is wide so that the fluid stays on the heat generating surface for as long as possible so that sufficient heat exchange can occur.
- the present invention is capable of miniaturization while having a high power and quick response, enabling continuous use for a long time, and maintaining the heat generating area to maintain the flow rate above a certain level to prevent the ceramic heater from being exposed to thermal shock,
- the ultimate goal is to maintain the temperature balance of the ceramic heater and the device in a dynamic steady state of heating the fluid and to optimize the heat exchange of the fluid with the surface of the ceramic heater to provide stability and durability of the device. .
- the present invention relates to a fluid heating device having an efficient heat exchange structure while having a small heat capacity by increasing the area ratio of the heating surface per unit volume of the fluid. Since the fluid can be quickly heated to a temperature set at the required moment, the fluid temperature is simply changed. It is very useful to be used for devices such as
- the heat exchange structure that can improve the potential thermal shock performance has the advantage that it can be used continuously with high reliability.
- FIG. 1 is a cross-sectional view showing one embodiment of a fluid heating apparatus to which the prior art is applied.
- Figure 2 is a cross-sectional view showing two embodiments of a fluid heating apparatus to which the prior art is applied.
- Figure 3 is a cross-sectional view showing a third embodiment of a fluid heating apparatus to which the prior art is applied.
- FIG. 4 is a perspective view showing one embodiment of a fluid heating device to which the technique of the present invention is applied.
- FIG. 5 is a cross-sectional view taken along line A-A of the fluid heating apparatus to which the technique of the present invention is applied.
- FIG. 6 is a cross-sectional view taken along line B-B of a fluid heating apparatus to which the technique of the present invention is applied.
- FIG. 7 is a perspective view of an exploded state showing a fluid heating device to which the technique of the present invention is applied.
- FIG. 8 is a broken perspective view showing two embodiments of a fluid heating apparatus to which the technique of the present invention is applied.
- Figure 9 is a broken perspective view showing three embodiments of a fluid heating apparatus to which the technique of the present invention is applied.
- FIG. 10 is a cross-sectional view showing four embodiments of a fluid heating apparatus to which the technique of the present invention is applied.
- FIG. 11 is a cross-sectional view taken along the line C-C of the fluid heater shown in FIG.
- the flat ceramic heater 102 is located at the center of the terminal lead wire 101 exposed to the outside, and the ceramic heater 102 is applied to the center. Above and below the gap plate 105 and the flow path forming plate 106 to form a fluid path through which the fluid to be heated moves to the ceramic heater 102 and the fluid passing through the ceramic heater 102 can be discharged. ).
- a path hole 108 is formed in the spacer plate 105 so as to form a fluid path 107 in which the fluid moves in a horizontal direction, and the lead wire 101 facing the ceramic heater 102 and the flow path forming plate.
- a fluid passage 109 is formed at 106 to allow fluid to move in the vertical direction to the fluid passage 107 of the next layer.
- the fluid passage 109 is not formed in the same direction in consideration of the fluid flowing in a zigzag type, and is formed alternately on the left and right sides of the drawing, and the gap plate 105 and the flow path forming plate 106 It will be appreciated that the number can be added or subtracted in multiple stages depending on the fluid path to be formed.
- An outer cover 111 having an inlet hole 110 for supplying a fluid for heating and an outlet hole 112 for discharging the heated fluid are formed on an outer surface of the spacer plate 105 stacked on the upper and lower ends. Branches are characterized in that the finishing with the lower cover 113.
- the fluid heating apparatus 100 may be made of a ceramic material in consideration of durability, but in consideration of improvement of productivity or cost reduction, the spacer plate 105 and the flow path forming plate 106, excluding the ceramic heater 102,
- the upper and lower covers 111 and 113 may be made of metal, nonferrous metal, or a plastic material having heat resistant properties.
- the spacer plate 105, the flow path forming plate 106, the upper and the lower cover (111, 113) are each configured in an independent form, but the whole except the ceramic heater 102 is integrally formed or the spacer plate (105) and the flow path forming plate 106 integrally formed or the spacer plate 105 and the flow path forming plate 106 the upper cover 111 is integrated, the spacer plate 105 and the flow path forming plate 106 lower cover ( 113) may be implemented in various ways, such as integrating.
- the fluid path formed by the spacer plate 105 and the flow path forming plate 106 adjacent to the ceramic heater 102 is called a heating channel 115 where the fluid is directly heated by the ceramic heater 102. In 115 the fluid is heated through constant heat exchange.
- the greatest feature of the fluid heating apparatus 100 of the present invention is the height h of the spacer plate 105 and the width w of the heating surface of the flat ceramic heater 102, that is, the height of the heating passage 115 ( The cross-sectional area is formed by h) and the width w, and the aspect ratio (r, aspect ratio) of the heating passage 115 may be defined as follows.
- the aspect ratio with respect to the cross section of the heating passage 115 is important for the energy applied to the fluid in the heating surface (ceramic heater) to be effectively transferred to the unit volume of the fluid.
- the aspect ratio is reduced, such as a square or a circle, the ratio of the cross-sectional area of the flow path per unit volume is high, so that a high flow rate can be passed at a low pressure.
- the rate of heat transfer from the heating surface to the center of the heating flow path is low, so that the temperature difference of the fluid in the temperature distribution of the cross section of the flow path becomes large, thereby reducing the efficiency of heat exchange.
- Bubbles generated in the heating passage 115 are known to be eluted due to the low solubility of the gas such as oxygen dissolved in water as the temperature of the fluid rises. If the flow rate is high, the bubbles are collected on the heating surface. Less opportunity, but at low flow rates, is trapped on the ceramic heating surface and increases in size.
- the heating surface When the volume of gas trapped on the heating surface becomes large, the heating surface is in contact with a liquid having a large heat capacity and a gas having a small heat capacity at the same time, so that the temperature of the heating surface which is in contact with the gas only at an unspecified position increases rapidly, and the same heating surface The rapid temperature difference occurs and is exposed to thermal shock.
- the aspect ratio of the cross section of the heating flow passage is large (preferably w / h> 3), the area of the heating surface per unit volume increases, and the flow rate for the unit flow rate is increased, which results in the heating flow passage cross-sectional area.
- a fluid heating apparatus having a heating flow path having a length l of 140 mm (70 mm ⁇ both sides), a width of the heating surface of 20 mm, and a height of the heating surface of 1 mm.
- the aspect ratio of the heating channel is 20, the total volume of the heating channel is 2,800 mm 3, and the heating area is 2,800 mm 2.
- a fluid heater in which a ceramic heater of a circular tube having an inner diameter of 6.5 mm, an outer diameter of 10 mm, and a length of 140 mm (70 x (inner diameter + outer diameter)) of a heating channel is inserted into a case having an inner diameter of 14 mm has a total volume of the heating channel. 7,596 kPa, and the heating area is 3,627 mm2.
- Fluid heaters with high aspect ratios have an area / volume ratio of 1 mm- 1 and fluid heaters with ceramic heaters of round tubes of 0.48 mm- 1, so the higher the aspect ratio, the greater the heating area per volume.
- the fluid heating apparatus having an aspect ratio of 20 between the heating surface and the center of the flow path is 0.5 mm, but the fluid heating apparatus using the ceramic heater of the circular tube has an inner diameter surface of 3.25 mm and an outer diameter surface of 2 mm.
- the structure provided by the present invention can increase the thermal efficiency by lowering the distance between the heating surface and the center of the flow path, it is possible to have a high reliability by lowering the probability of being exposed to the thermal shock of the heating surface.
- the ceramic heater is manufactured by incorporating a heat generating surface by a resistor of a metal component in a ceramic material which is itself an insulator, it can transmit heat of high heat by conduction and has very excellent characteristics as a high speed heating means.
- a heating oil passage having a length l of 420 mm (70 mm x both sides x 3 HEATER), a width of the heating surface of 20 mm and a height of the heating surface of 1 mm Assuming a fluid heater with
- the aspect ratio of the heating channel is 20, the total volume of the heating channel is 5,600 (4 ⁇ 1,400) mm 3, and the heating area is 8,400 (6 ⁇ 1,400) mm 2.
- a fluid heating apparatus having such a configuration is compared to the area / volume ratio of the fluid heating apparatus in accordance with the ceramic heater of the circular tube mentioned above, the area / volume ratio as the 1.5mm- 1 0.48mm- 1, the ratio is 3.1 times the It can be seen that the heating efficiency can be effectively increased by increasing.
- the ceramic heater 102 is a heater having a very excellent heating performance by the fastest "conduction" of the common heat transfer method of radiation, convection, and conduction.
- the electrically conductive heat generating resistor is most directly insulated among the heat transfer mechanisms using electricity, the heat-transfer material is heated by direct contact, and thus has excellent heat transfer efficiency.
- the method of manufacturing the ceramic heater 102 that can be applied to the present invention is very various and not particularly limited, but one representative method is to manufacture a ceramic heater by co-firing.
- the heating resistor is applied to one ceramic green sheet, and the other ceramic green sheet is laminated to coat the ceramic sheet and the internal heating resistor is fired at the same time.
- the ceramic component used here is composed of 96% of Al 2 O 3 and a small amount of SiO 2 , CaO, MgO, Na 2 O, K 2 O, etc., and the metal components used as heat generating resistors include W, High melting point metals, such as Mo, are common.
- Ceramic tubes of circular tubes are also generally manufactured by co-firing using a green sheet, which can be manufactured by co-firing by winding a green sheet coated with a heating resistor around the semi-sintered ceramic tube.
- another method is to apply a metal paste to the already sintered ceramic sintered substrate as a heating resistor, dry and sinter it, and to apply the adhesive to another sintered ceramic substrate, and to dry and degrease it.
- a ceramic heater similar to the ceramic heater by the co-firing method can be produced.
- the metal paste mainly containing metals such as W and Mo as a high melting point metal, Metal pastes such as Ag, Ag-Pd, RuO 2 , Pd, and Pt, which have low melting point metals but low temperature resistivity, can be used as heating resistors.
- ceramic sintered substrates are mainly composed of Al 2 O 3 , and various materials such as AlN sintered substrates, SiC sintered substrates, and Si 3 N 4 sintered substrates are mainly used as materials resistant to thermal shock. Can be used.
- the ceramic heaters 102 and the flow path forming plates 106 are coated and degreased with a glass adhesive on the surface in contact with the spacer plate 105.
- the spacer 105 is also coated and degreased with a glass adhesive on both surfaces.
- the respective components are laminated, calcined or sintered at a temperature at which the glass bonding agent can be melt-bonded to obtain a fluid heating apparatus 100 that is sintered and bonded as a whole.
- the shape of the inlet hole 110 and the outlet hole 112 through which fluid is introduced into or discharged from the fluid heating device 100 is not particularly limited, but a nut or a tube of various materials may be molded into the hole. It may be configured to form a housing (housing) the fluid heating device 100 according to the present invention in the case to which the tube is attached.
- the feature of the fluid heating device 100 of the present invention is not limited to the plate-shaped ceramic heater, it can be applied to have a large aspect ratio even in the case of the cylindrical ceramic heater 160.
- Flow path forming tube 162 by inserting the flow path forming tube 162 into the cylindrical ceramic heater 160 coupled to the case 161 having the inlet hole 110 and the outlet hole 112 for the inlet and outlet of the fluid.
- the fluid flows into the inner diameter surface and passes through the outer diameter surface of the flow path forming tube 162 and the inner diameter surface of the cylindrical ceramic heater 160 and is discharged to the outside via the outer diameter surface of the cylindrical ceramic heater 160.
- the width w of the flow path in contact with the heating surface is ⁇ ⁇ (r 2 + r 1 ), ,
- the aspect ratio when the flow path passes out is ⁇ ⁇ (r 2 + r 1 ) ⁇ (r 2 -r 1 ).
- r 2 when r 2 is 10, r 1 is 6, the aspect ratio is 12.6, and the cross-sectional area of the flow path is 201.
- the heat generating surface is formed near the outer diameter surface of the cylindrical ceramic heater, and since a very small flow path gap is formed on the surface in contact with the cylindrical ceramic heater, the heating area for the unit volume can be maximized, and high thermal efficiency can be expected. .
- a fluid heating device was constructed by inserting a flow path forming tube (outer diameter 5mm, inner diameter 4mm) into the inner diameter surface using a cylindrical ceramic heater having a heat resistance of 20 kPa, inner diameter 6.5 mm, outer diameter 10 mm and heating length 80 mm. .
- the inner diameter of the case was 12 mm so that the aspect ratio of the inner diameter surface flow path of this apparatus was 24, and the aspect ratio of the outer diameter surface was 34.5. It applied to 220V and continuously flowed the water flow volume of 1-1.2L per minute.
- the water at the initial temperature of 25 °C was continuously heated to 45 ⁇ 50 °C, the power was consumed 2.0kW, and it was continuously heated for about 3000 hours (125 days ⁇ 24hr), but no damage of the internal ceramic heater occurred. Did.
- mist When mist (mist, about 1 g / L of water, air containing fine water droplets produced by ultrasonic vibration) is injected into the inlet hole of the heater, and 220 V power is applied to a terminal connected in series with a ceramic heater, The steam of 120-200 degreeC was able to be generated in an outlet hole with the electric power of 150-250W.
- a heating device using a tubular ceramic heater of the prior art having a heat generation resistance of 20 mm, an inner diameter of 6.5 mm, an outer diameter of 10 mm, and a heating length of 80 mm was configured and applied to 220 V, and continuously flowed a water flow rate of 1 to 1.2 L per minute. sent.
- the water at the initial temperature of 25 ° C. was continuously heated to 44-46 ° C., the power was consumed 1.8 kW, and the ceramic heater was broken after about 480 hours (20 days ⁇ 24hr).
- the present invention as described above is expected to be widely used in the local body washing device, domestic instantaneous hot water device, heating radiator, circulating water heating device for heating.
- the present invention enables not only to instantaneously heat the liquid phase, but also to instantaneous conversion to steam by heating, so that steam can be easily generated, and thus, a wide range of application effects are expected for a cooker, a sterilizer, and a vaporizer using steam. .
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- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
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Abstract
Description
Claims (7)
- 전원 인가를 위한 단자 리드선(101)을 가지고 구비되는 평판형 세라믹히터(102)와;상기 세라믹히터(102)의 상,하측으로는 가열하고자 하는 유체가 세라믹히터(102) 방향으로 이동하고 세라믹히터(102)에 의하여 가열된 유체가 배출되도록 수평이동 유체경로를 가지고 결합 되는 간격판(105)과;상기 수평이동 유체경로 상의 유체가 다음층의 유체경로로 수직이동할 수 있도록 유체통로를 가지고 결합 되는 유로형성판(106)과;최 상측의 간격판(105)의 외측면에 가열하기 위한 유체를 공급하기 위한 인렛홀(110)을 가지고 결합 되는 어퍼커버(111)와;최 하측의 간격판(105) 외측면에 가열된 유체를 배출하기 위한 아웃렛홀(112)을 가지고 결합 되는 로어커버(113)로 마감하여 구성하는 것을 특징으로 하는 유체 가열장치.
- 유체의 유입과 배출을 위한 인렛홀(110)과 아웃렛홀(112)을 가지는 케이스(161)에 결합 되는 원통형 세라믹히터(160)와;상기 원통형 세라믹히터(160)의 내부에 원통형 세라믹히터(160)의 내경면에 가열유로를 형성하는 유로형성튜브(162)를 삽입하여 구성하는 것을 특징으로 하는 유체 가열장치.
- 제 1 항 또는 제 2 항에 있어서;상기 세라믹히터와 인접한 가열유로 단면적의 종횡비는 가열유로의 높이(h)에 대하여 폭(w)이 3 이상인 것을 특징으로 하는 유체 가열장치.
- 제 1 항에 있어서;상기 세라믹히터(102)는 가열용량을 증대시킬 수 있도록 교대로 적층하는 것을 특징으로 하는 유체 가열장치.
- 제 1 항에 있어서;상기 유로형성판(106) 대신 세라믹히터(102)를 개재하여 가열용량을 증가시키는 것을 특징으로 하는 유체 가열장치.
- 제 1 항 또는 제 2 항에 있어서;상기 간격판(105), 유로형성판(106), 어퍼커버(111), 로어커버(113), 케이스(160) 또는 유로형성튜브(162)는 밀봉 가능한 세라믹, 플라스틱, 금속, 비철금속 중 어느 하나 이상의 재질로 구성하는 것을 특징으로 하는 유체 가열장치.
- 제 1 항에 있어서;상기 간격판(105)과 유로형성판(106), 어퍼커버(111), 로어커버(113) 또는,상기 간격판(105)과 유로형성판(106) 또는,상기 간격판(105)과 어퍼커버(111) 또는,상기 간격판(105)과 로어커버(113)는 일체로 형성하는 것을 특징으로 하는 유체 가열장치.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US12/864,502 US9115912B2 (en) | 2008-01-23 | 2009-01-20 | Fluid heating device |
| CN200980102821.3A CN101970947B (zh) | 2008-01-23 | 2009-01-20 | 流体加热装置 |
| JP2010544222A JP2011510260A (ja) | 2008-01-23 | 2009-01-20 | 流体加熱装置 |
| EP09704296.4A EP2249099B1 (en) | 2008-01-23 | 2009-01-20 | Fluid heating device |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2008-0007096 | 2008-01-23 | ||
| KR1020080007096A KR100880773B1 (ko) | 2008-01-23 | 2008-01-23 | 유체 가열장치 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| WO2009093832A2 true WO2009093832A2 (ko) | 2009-07-30 |
| WO2009093832A3 WO2009093832A3 (ko) | 2009-11-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/KR2009/000295 Ceased WO2009093832A2 (ko) | 2008-01-23 | 2009-01-20 | 유체 가열장치 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US9115912B2 (ko) |
| EP (1) | EP2249099B1 (ko) |
| JP (1) | JP2011510260A (ko) |
| KR (1) | KR100880773B1 (ko) |
| CN (1) | CN101970947B (ko) |
| WO (1) | WO2009093832A2 (ko) |
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| US20160156975A1 (en) * | 1999-10-29 | 2016-06-02 | Rovi Guides, Inc. | Interactive television system with programming-related links |
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- 2009-01-20 WO PCT/KR2009/000295 patent/WO2009093832A2/ko not_active Ceased
- 2009-01-20 EP EP09704296.4A patent/EP2249099B1/en not_active Not-in-force
- 2009-01-20 US US12/864,502 patent/US9115912B2/en not_active Expired - Fee Related
- 2009-01-20 JP JP2010544222A patent/JP2011510260A/ja active Pending
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Cited By (1)
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| US20160156975A1 (en) * | 1999-10-29 | 2016-06-02 | Rovi Guides, Inc. | Interactive television system with programming-related links |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2011510260A (ja) | 2011-03-31 |
| CN101970947B (zh) | 2014-07-23 |
| EP2249099B1 (en) | 2018-09-05 |
| EP2249099A4 (en) | 2016-11-30 |
| EP2249099A2 (en) | 2010-11-10 |
| WO2009093832A3 (ko) | 2009-11-05 |
| CN101970947A (zh) | 2011-02-09 |
| KR100880773B1 (ko) | 2009-02-02 |
| US20100296800A1 (en) | 2010-11-25 |
| US9115912B2 (en) | 2015-08-25 |
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