WO2018021959A1 - Appareil de chauffage - Google Patents

Appareil de chauffage Download PDF

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Publication number
WO2018021959A1
WO2018021959A1 PCT/SG2016/050357 SG2016050357W WO2018021959A1 WO 2018021959 A1 WO2018021959 A1 WO 2018021959A1 SG 2016050357 W SG2016050357 W SG 2016050357W WO 2018021959 A1 WO2018021959 A1 WO 2018021959A1
Authority
WO
WIPO (PCT)
Prior art keywords
casing
compartment
heating element
heating apparatus
liquid
Prior art date
Application number
PCT/SG2016/050357
Other languages
English (en)
Inventor
Sin Khow CHEW
Khoon Hua TAN
Original Assignee
Chew Sin Khow
Tan Khoon Hua
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 Chew Sin Khow, Tan Khoon Hua filed Critical Chew Sin Khow
Priority to PCT/SG2016/050357 priority Critical patent/WO2018021959A1/fr
Publication of WO2018021959A1 publication Critical patent/WO2018021959A1/fr

Links

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
    • 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
    • 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
    • F24H1/185—Water-storage heaters 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
    • F24H9/00—Details
    • F24H9/20—Arrangement or mounting of control or safety devices
    • F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
    • F24H9/2014—Arrangement or mounting of control or safety devices for water heaters using electrical energy supply
    • F24H9/2021—Storage heaters

Definitions

  • the present invention relates to a heating apparatus adapted to heat a liquid, for example, a water heater.
  • Heating apparatus for providing a continuous supply of heated liquid is commonly known.
  • a water heater for residential use or even commercial use for heating water There are mainly two types of water heater, i.e. instant water heater and storage tank water heater.
  • the instant water heater includes a small volume water heating compartment to hold and heat water as the water enters the heater so as to provide a user with hot water.
  • the storage tank water heater stores a large volume of water in the tank and heats it up to a certain temperature thus ensuring that there is a constant supply of heated water for use. Therefore, storage tank water heater is usually preferred over the instant heater.
  • a storage tank water heater can last only for a few years before corrosion sets in thereby causing leakage in the tank.
  • the electrical consumption of a storage tank water heater can be substantial and many times more than any normal household appliance.
  • a storage water heater tank may consume 3000 watts of power whereas a 40" LED TV consumes only 140 watts.
  • a storage tank water heater may take up to 25% of the electrical bill in a household.
  • a heating apparatus adapted to heat a liquid.
  • the heating apparatus has a casing encompassing a storage volume for containing the liquid within; and a heating element adapted to heat the liquid, such that the heating element is separated from the storage volume by the casing, such that when the storage volume is filled with liquid, the heating element is separated from the liquid.
  • the heating element would not be in contact with the liquid to heat the liquid. Therefore, it is possible not to insert the heating element through the casing to heat the liquid. It is therefore possible to avoid an opening in the casing for the heating element as no opening is required for the insertion of heating element through the casing.
  • the heating element is separated from the liquid, it is not in contact with the liquid and therefore eliminating possible short circuiting due leakage of the liquid onto the electrical component of the heating element.
  • the heating apparatus may further include a compartment adapted to receive the heating element therein, such that the compartment includes an opening communicable with the outside of the casing, such that the opening is adapted to receive the heating element into the compartment. In this way, the heating surface of the compartment is increased.
  • the compartment may protrude inwardly into the storage volume.
  • the casing may include an external surface, such that the compartment may be attached onto the external surface of the casing.
  • the compartment may be detachable from the casing. In this way, the compartment may be removed if need be.
  • the compartment may include a sheave adapted to receive the heating element therein.
  • the sheave may have a closed end and an open end opposite the closed end, such that the open end forms the opening of the compartment.
  • the sheave enables a higher heating efficiency of the heating element.
  • the compartment may further include a connector adapted to connect the compartment to the casing such that the sheave extends from the connector.
  • the connector may include a through hole, such that the open end of the sheave is connected to the through hole.
  • the heating element may be spaced from the compartment.
  • the casing may include a top portion, a bottom portion below the top portion and a centre portion between the top portion and the bottom portion, such that the heating element may be disposed at the bottom portion.
  • the heating apparatus may further include a temperature sensor adapted to sense the temperature of the liquid in the casing, such that the temperature sensor is separated from the storage volume, such that when the storage volume is filled with liquid, the temperature sensor is separated from the liquid by the casing.
  • the temperature sensor may be disposed at the top portion of the casing.
  • the heating element may be made of silicon nitride.
  • the compartment may be made of at least one of stainless steel, bronze, copper or brass.
  • the heating element and the temperature may be accessed from "outside" the casing.
  • the heating element and the temperature sensor may be repaired or replaced without the need to draining the liquid from the casing.
  • the heating coil and heat sensor of such conventional heating apparatus are located either in the casing or through the casing to heat or sense the temperature of the water.
  • the storage heater of the conventional heating apparatus would have to be emptied in order for the relevant parts to be repaired or replaced.
  • the storage heater would have to be taken down from the wall mountings so that the relevant parts can be accessed for repair or replacement. Therefore, it is a benefit of the present invention which allows the heating element and the temperature sensor of the heating apparatus to be replaced from the outside of the casing. In this way, it is not necessary to drain the liquid in the casing or remove the casing from the mounting for the purpose of maintaining, repairing or replacing the relevant parts.
  • FIG. 1A shows frontal sectional view of an example of a heating apparatus.
  • Fig. IB shows a sectional view of the heating apparatus along line A-A in Fig. 1A.
  • Fig. 1C and ID each shows an example of a section of the casing where the temperature sensor is attached thereto.
  • Fig. 2 shows a sectional view of an example of the heating apparatus.
  • Fig. 3 shows a closed up sectional view of the compartment and the heating element.
  • Fig. 3A and 3B each shows an example of a sectional profile of the compartment and the heating element.
  • Fig. 3C shows a sectional view of an example of the compartment and the heating element.
  • Fig. 4 shows a sectional view of an example of the heating apparatus. Detailed Description
  • FIG. 1A shows frontal sectional view of a heating apparatus 100.
  • Heating apparatus 100 is adapted to heat a liquid 102.
  • Heating apparatus 100 has a casing 110 encompassing a storage volume 114 for containing the liquid 102 within and a heating element 120 which is adapted to heat the liquid 102.
  • Heating apparatus 100 may include a temperature sensor 130 adapted to sense the temperature of the liquid 102 in the casing 110.
  • the heating apparatus 100 may include an inlet pipe 140 for channelling the liquid 102 into the casing 110 and an outlet pipe 150 for channelling the liquid 102 out of the casing 110.
  • Heating apparatus 100 may include an inlet valve 142 connected to the inlet pipe 140 and an outlet valve 152 connected to the outlet pipe 150. While it is not shown in Fig.
  • the heating apparatus 100 may include at least one of a pressure relief valve, an overflow pipe, a thermostat, a drainage port and a gas valve.
  • Heating apparatus 100 may have a controller (not shown) connected to the heating element 120 and the temperature sensor 130 so as to control the temperature of liquid 102.
  • Controller may also be connected to the inlet valve 142 and outlet valve 152 to control the liquid flow into and out of the casing 110.
  • Controller may be a microcontroller, a computer, etc.
  • the casing 110 may have a tubular body 110TB with a first rounded end 110EA and a second rounded end 110EB. While Fig. 1A shows the casing 110 having rounded ends, it is conceivable that other shapes can be used to form the ends of the casing 110, e.g. a flat end.
  • Casing 110 has a top portion HOT, a bottom portion HOB below the top portion HOT and a centre portion 1 IOC between the top portion HOT and the bottom portion HOB. Referring to Fig. 1A, each portion may be about one third of the width/height of the casing 100 as shown by the dashed lines XI and X2.
  • Casing 100 has an internal surface 110SI where the liquid 102 contacts the casing 110 when the heating apparatus 100 is filled with the liquid 102.
  • External surface 110SE is on the other side of the casing 110 opposite the internal surface 110SI.
  • Casing 110 may have a compartment 160 adapted to receive the heating element 120 therein. Compartment 160 may protrude inwardly from the tubular body 110TB or the rounded ends ⁇ , ⁇ .
  • Casing 110 may have a compartment 160 which protrudes inwardly into the storage volume 114. Compartment 160 may protrude perpendicularly inwardly into the storage volume 114. In Fig. 1A, the compartment 160 protrudes inwardly from the second rounded end 110EB of the casing 110.
  • Compartment 160 may be an integral part of casing 110. Compartment 160 may have an opening 162 that is communicable with the outside of the casing 110 such that the opening 162 is adapted to receive the heating element 120 into the compartment 160. Heating element 120 may be inserted into the compartment 160 through the opening 162. Compartment 160 may be closed by plugging the opening 162 with a plug or cover (not shown). Compartment 160 may be formed as part of the casing 110. Compartment 160 may be cast together with the casing 110 or welded to the casing 110. Compartment 160 may be detachable from the casing 110. Casing 110 may be made from material used in a conventional storage water tank heater casing, e.g. stainless steel. Although it is not shown in the figures, the heating apparatus 100 may include an outer casing surrounding the casing 110. Outer casing may be an insulating layer adapted to insulate the casing 100 from the outside of the casing 110.
  • the heating element 120 is separated from the storage volume by the casing 110, such that when the storage volume 114 is filled with liquid 102, the heating element 120 is separated from the liquid 102 by the casing 110. Heating element 120 does not penetrate through the casing 110 to come into contact with the liquid 102. Heating element 120 may extend from one end, e.g. the second end 110EB towards the other end, e.g. the first end 110EA, of the casing 110. Heating element 120 may extend from one end to the other end. Correspondingly, the compartment 160 may be shaped similarly to the heating element 120. As shown in Fig. 1A, the heating element 120 may be disposed at the bottom portion HOB.
  • Heating element 120 may be disposed at the centre portion HOC of the casing 110. Heating element 120 may be disposed at one of the two rounded ends 110EA or 110EB.
  • Fig. IB shows a sectional view of the heating apparatus 100 along line A-A as shown in Fig. 1A. Referring to Fig. IB, the heating element 120 may be located at the bottom portion HOB of the casing 110. Alternatively, the heating element 120 may be disposed at the centre portion HOC of the casing 110, e.g. a position concentric to the perimeter of the casing 110 when seen from the side of the heating apparatus 100. Heating element 120 may also be disposed anywhere between the lateral sides 110SA,110SB of the casing 110.
  • Casing 110 may have other sectional profiles, e.g. square, rectangular. While it is shown in Fig. 1A and IB that there is only one heating element 120, it is possible that there may be two or more heating elements 120 in the heating apparatus 110. For an arrangement with more than two heating elements 120, the heating elements 120 may be in the same portion or different portions, e.g. top portion HOT, bottom portion HOB or centre portion HOC, of the casing 110. Accordingly, there may be as many compartments 160 as the heating elements 120. Heating element 120 may be spaced from the bottom of the casing 100. Depending on the size of the heating apparatus 100, the heating element 120 may be disposed at about 100mm from the bottom of the casing 100.
  • Temperature sensor 130 may be separated from the storage volume 114, such that when the storage volume 114 is filled with liquid 120, the temperature sensor 130 may be separated from the liquid 102 by the casing 110 and does not come into contact with the liquid 102. Temperature sensor 130 may be disposed on an external surface HOSE of the casing 110. As shown, the temperature sensor 130 does not penetrate the casing 110 and is calibrated to sense the temperature of the liquid 102 through the casing 110. Temperature sensor 130 may be disposed at the top portion HOT of the casing. Alternatively, the temperature sensor 130 may be disposed at the centre portion HOC or the bottom portion HOB of the casing 110. While it is shown in Fig.
  • Temperature sensor 130 may be in the same portion or different portions, e.g. top portion HOT, bottom portion HOB or centre portion HOC, of the casing 110. Temperature sensor 130 may be spaced from the top of the casing 100. Depending on the size of the heating apparatus 100, the temperature sensor 130 may be disposed at about 100mm from the top of the casing 100. Temperature sensors 130 may be at least one of: a temperature sensor, a thermostat sensor or an overheat sensor. Temperature sensors 130 may be enclosed within a housing attached to the casing 110. Housing may be a tubing.
  • the casing 110 may have a circular sectional profile.
  • Temperature sensor 130 may be disposed at any position on the external surface HOSE of the casing 110. Temperature 130 may be disposed at a position, when viewed from the side of the casing 110 as shown in Fig. IB, spaced from a vertical plane 104 through the centre of the casing 110. For example, the temperature sensor 130 may be disposed between 30 degrees and 60 degrees from the plane 104. Temperature sensor 130 may be at the 30 degrees or 60 degrees' position. In other words, when a clock face is superimposed onto the casing 110 as shown in Fig. IB, the temperature sensor 130 may be at or between the T and '2' position of the clock.
  • the temperature sensor 130 or any parts thereof does not penetrate the casing 110.
  • Heating element 120 and temperature 130 may be disposed at the same end of the casing 110, e.g. first rounded end 110EA or second rounded end 110EB.
  • Temperature sensor 130 may be disposed at one end opposite to the end where the heating element 120 is disposed.
  • Temperature sensor 130 and the heating element 120 may be disposed diagonally across the casing 110 from each other.
  • Fig. 1C and ID show a section of the casing 110 where the temperature sensor 130 is attached to the casing 110.
  • the casing 110 may have a wall portion HOP, where the temperature sensor 130 is attached to, such that the wall portion HOP may have a thinner profile than the average thickness of the casing 110 so as to reduce the thickness of the casing 110 between the liquid 102 and the temperature sensor 130. In this way, the sensitivity of the temperature sensor 130 to sense the temperature of the liquid 102 is improved.
  • the wall portion HOP may be made of a high heat conductivity material to improve the rate of heat transfer from the liquid 102 to the temperature sensor 130.
  • High heat conductive material may be a material that has a higher heat conductivity than the material of the casing 110. It is possible that the wall portion HOP may be thinner and yet made from a higher heat conductive material.
  • the outlet pipe 150 may be disposed at the top portion HOT, it may be disposed at the bottom portion HOB or centre portion HOC of the casing 110.
  • the inlet pipe 140 may be disposed at the top portion HOT, bottom portion HOB or centre portion HOC of the casing 110.
  • Inlet pipe 140 and outlet pipe 150 may be disposed at the same or opposite side of the casing 110.
  • Other components of the heating apparatus 100 e.g. the drainage port, may be disposed at the bottom portion HOB of the casing 110.
  • the inlet pipe 140 and outlet pipe 150 are described as pipes, it would be understood that both can be described as inlet port or outlet port respectively.
  • Liquid 102 may be channelled into the casing 110 via the inlet pipe 140.
  • Inlet valve 142 is configured to control the liquid flow into the casing 110.
  • the liquid 102 is heated by the heating element 120. Heat is being transmitted from the heating element 120 to the liquid 102 through the casing 110. Heat may be transferred to liquid 102 via the compartment 160.
  • Temperature sensor 130 senses the temperature of the liquid 102 through the casing 110. When the liquid 102 is heated to a desired temperature, the temperature sensor 130 would enable the heating element 120 to be deactivated to stop the heating.
  • Fig. 2 shows an example of the heating apparatus 200 which is similar to heating apparatus 100.
  • the features in heating apparatus 200 that are the same features in heating apparatus 100 would have the same last two digits in the reference numerals.
  • the casing 110 in heating apparatus 100 would be the casing 210 in the heating apparatus 200.
  • the features and their configurations that are described above in the heating apparatus 100 would similarly be applicable to heating apparatus 200 and vice versa.
  • Heating element 220 may be attached onto the external surface 210SE of the casing 210. As shown in Fig. 2, the heating element 220 may be disposed at the bottom portion 210B of the casing 210B. As mentioned, the heating element 220 may be disposed at other locations on the casing 210, e.g. top portion 210T, centre portion 210C. As shown in Fig. 2, the inlet pipe 240 may be disposed at the second rounded end 210EB of the casing 210 and the outlet pipe 250 may be disposed at the top portion 210T of the casing 210. Casing 210 may include the compartment 260. Compartment 260 may be formed as part of the casing 220.
  • Compartment 260 may be cast together with the casing 210. Compartment 260 may be attached onto the external surface 210SE of the casing 210. Compartment 260 is adapted to receive the heating element 220 within. Heat is transmitted from the heating element 220 to the liquid 202 via the casing 210. Heating element 220 may extend from one of the ends, e.g. the second end 110EB, of the casing 210 towards the other end, e.g. the first end 110EA. Heating element 220 may extend from one end of the casing 210 to the other end. Although the configuration of the compartment 260 being attached to the external surface 210SE is shown only in the example of Fig. 2, the configuration would be applicable to all the examples in the present disclosure.
  • Fig. 3 shows a close-up sectional view of the compartment 160 and the heating element 120 within the compartment 160.
  • Compartment 160 may include a sheave 164 adapted to receive the heating element 120 therein.
  • Compartment 160 may be a heat conducting cover for the heating element 120 such that the compartment 160 is adapted to increase the heating efficiency of the heating element 120.
  • Compartment 160 may include a connector 166 adapted to connect the compartment 160 to the casing 110.
  • the heating element 120 may be spaced from the sheave 164 such that a gap 161 is formed between the sheave 164 and the heating element 120. Gap 161 between the sheave 164 and the heating element 120 may be consistent throughout the compartment 160.
  • Heating element 120 may be made of any material suitable to convert electrical energy to heat energy.
  • the heating element 120 is made of silicon nitride. In this way, less electrical energy is required to heat up the same volume of liquid in a conventional storage heater.
  • Sheave 164 may include a closed end 164CE and an open end 1640E opposite the closed end 164CE. Sheave 164 may be connected to the casing 110 such that the open end 1640E forms the opening 162 of the compartment 160. Heating element 120 may be inserted into the sheave 164 via the open end 1640E. Sheave 164 may be elongated along a longitudinal axis 164A. Correspondingly, heating element 120 may be elongated along the same axis 164A. Heating element 120 may have a shape which corresponds to the internal shape of the sheave 164. Sheave 164 may be in any suitable shape, e.g. cuboid, hemispherical.
  • Heating element 120 may be shaped accordingly.
  • Sheave 164 and heating element 120 may be of a planar profile, e.g. a flat plate. Heating element 120 may be spaced from the sheave 164 to create a gap 161. Heating element 120 may be profiled to match the inner shape of the sheave 164 such that the heating element 120 maintains a consistent gap 161 between the sheave 164 and the heating element 120 throughout the surface of the heating element 120. In this way, the heating element 120 does not contact the sheave 164 and heat is transmitted to the sheave 164 through the gap 161.
  • Fig. 3A and 3B each shows an example of a sectional profile of the compartment 160 and heating element 120.
  • the compartment 160 and the heating element 120 may similarly have a rectangular profile.
  • the profile may have a broader side and a narrower side.
  • the compartment 160 and the heating element 120 may have a pair of broader sides and a pair of narrower sides extending between the broader sides.
  • the compartment may be oriented such that the profile may have the wider side along a direction parallel to the flow of the liquid which would flow from the inlet pipe 140 (as shown in Fig. IB).
  • the compartment 160 and the heating element 120 may have a circular profile.
  • Compartment 160 may be designed to increase the heating surface area of the compartment 160 and the heating element 160.
  • Heating apparatus 100 may include a plurality of compartments 160.
  • Plurality of compartments 160 may be disposed in one portion of the casing 110, e.g. the bottom portion HOB.
  • Plurality of compartments 160 may be disposed in more than one portion of the casing 110, e.g. the bottom portion 110B and the centre portion 1 IOC.
  • Compartment 160 may include a connector 166 adapted to connect the compartment 160 to the casing 110.
  • Connector 166 may have a first side 166F, a second side 166S opposite the first side 166F and an external surface 166ES extending from the first side 166F to the second side 166S.
  • Connector 166 may include a through hole 166H such that the open end 1640E of the sheave 164 may be connected to the through hole 166H.
  • Sheave 164 may extend from the connector 166.
  • Sheave 164 may extend from the first side 166F of the connector 166.
  • Connector 166 may include an engaging portion 166E adapted to engage the casing 110.
  • External surface 166ES may extend parallelly to the longitudinal axis 166A.
  • Sheave 164 may be connectable to the connector 166 or both the sheave 164 and connector 166 may be integrally formed as a single piece. Sheave 164 may be welded to the connector 166.
  • Through hole 166H may extend along the longitudinal axis 166 A from the first side 166F to the second side 166S.
  • Engaging portion 166E may be disposed on the external surface 166ES and from the first side 166F towards the second side 166S.
  • Engaging portion 166E may occupy only a portion of the external surface 116ES closer to the first side 166F.
  • Casing 110 may include an engaging portion (not shown) along the opening 112 such that engaging portion 166E engages the engaging portion of the casing 110 to connect the compartment 160 to the casing 110.
  • Engaging portion 166E may be screw threads on the connector 166. Opening 112 of the casing 110 may be threaded such that the connector 166 together with the compartment 160 may be fastened onto the casing 110. When the compartment 160 is attached to the casing 110, the opening 162 of the compartment 160 may be exposed on the exterior of the casing 110 thereby allowing the heating element 120 to be inserted into the compartment 160. Other forms of securing mechanism may be used to secure the compartment 160 to the casing 110. A plug or cover (not shown) may be used to seal the heating element 120 in the compartment 160. It is understood that the connector 166 would not be applicable if the compartment 160 is an integral part of the casing 110. Compartment 160 may be made of at least one of stainless steel (e.g. Stainless Steel SUS201/304), bronze, copper or brass. Sheave 164 may be made of a material as mentioned. Connector 166 may be made of one of the materials as mentioned and may be made of the same or different material from the sheave 164.
  • stainless steel
  • Fig. 3C shows a sectional view of an example of the compartment 160 and the heating element 120.
  • Casing 110 may include a receiving portion 113 connected to the opening 112 of the casing 110.
  • Receiving portion 113 may have a connecting side 113C adapted to be connected to the casing 110.
  • Receiving portion 113 may be welded to the casing 110 at the connecting side 113C.
  • Receiving portion 113 may include an engaging side 113E adapted to engage the compartment 160 as will be explained later.
  • Receiving portion 113 may be a nut.
  • Receiving portion 113 may be made the same material as the casing, e.g. stainless steel, or other material.
  • Receiving portion 113 and the engaging portion 166E may be threaded such that the receiving portion 113 may be fastened on the engaging portion 166E.
  • other forms of securing mechanism may be used to secure the compartment 160 to the receiving portion 113, e.g. stud and slot.
  • Engaging portion 166E of the connector 166 may engage the engaging side 113E of the receiving portion 113 when the compartment 160 is fastened onto the receive portion 113 of the casing 110 after inserting the compartment 160 into the storage volume 114.
  • the heating element 120 may be inserted into the compartment 160 through the opening 162. Heating element 120 may be held in position by the connector 166 at one end of the heating element 120 so that the heating element 120 may be spaced from the sheave 164 and the gap 161 may be formed.
  • Compartment 160 may be connected directly to the casing 110, where the engaging portion 166E may be engaged directly to the casing 110. Opening 112 may be threaded such that the engaging portion 166E of the compartment 160 may be engaged with the opening 112.
  • Fig. 4 shows a sectional view of an example of the heating apparatus. As shown in Fig. 4, the heating element 120 may be positioned at the centre portion HOC of the casing 110.
  • Compartment 160 and the heating element 120 may be a heating device for heating purpose, e.g. heating liquid.
  • Heating device may include the sheave and the heating element within the sheave. Heating device may be used for heating liquid in containers other than a storage heater, e.g. kettle. As mentioned, the heating device, having a sheave between the heating element and medium to be heated, enhances the heating efficiency of the heating element. Heating device may include the connector 166 as described.

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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)
  • Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)
  • Heat-Pump Type And Storage Water Heaters (AREA)

Abstract

L'invention concerne un appareil de chauffage adapté à chauffer un liquide. L'appareil de chauffage comprend un boîtier englobant un volume de stockage destiné à contenir le liquide en son sein ; et un élément chauffant adapté à chauffer le liquide, de sorte que l'élément chauffant soit séparé du volume de stockage par le boîtier, de sorte que lorsque le volume de stockage est rempli de liquide, l'élément chauffant soit séparé du liquide.
PCT/SG2016/050357 2016-07-27 2016-07-27 Appareil de chauffage WO2018021959A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/SG2016/050357 WO2018021959A1 (fr) 2016-07-27 2016-07-27 Appareil de chauffage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/SG2016/050357 WO2018021959A1 (fr) 2016-07-27 2016-07-27 Appareil de chauffage

Publications (1)

Publication Number Publication Date
WO2018021959A1 true WO2018021959A1 (fr) 2018-02-01

Family

ID=61017554

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/SG2016/050357 WO2018021959A1 (fr) 2016-07-27 2016-07-27 Appareil de chauffage

Country Status (1)

Country Link
WO (1) WO2018021959A1 (fr)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2573519A1 (fr) * 1984-11-20 1986-05-23 Lacaze Pierre Dispositif de production d'eau chaude
WO2004044499A1 (fr) * 2002-11-13 2004-05-27 Cadif Srl Chauffe-eau a enroulement electrique externe

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2573519A1 (fr) * 1984-11-20 1986-05-23 Lacaze Pierre Dispositif de production d'eau chaude
WO2004044499A1 (fr) * 2002-11-13 2004-05-27 Cadif Srl Chauffe-eau a enroulement electrique externe

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