EP1729072B1 - Fan combined with an electrical ceramical heater - Google Patents

Fan combined with an electrical ceramical heater Download PDF

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Publication number
EP1729072B1
EP1729072B1 EP05011568A EP05011568A EP1729072B1 EP 1729072 B1 EP1729072 B1 EP 1729072B1 EP 05011568 A EP05011568 A EP 05011568A EP 05011568 A EP05011568 A EP 05011568A EP 1729072 B1 EP1729072 B1 EP 1729072B1
Authority
EP
European Patent Office
Prior art keywords
porous ceramic
fan
ceramic carrier
fan apparatus
fan motor
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.)
Active
Application number
EP05011568A
Other languages
German (de)
French (fr)
Other versions
EP1729072A1 (en
Inventor
Wen-Long Chyn
Ching-Yi Lee
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
Priority to ES05011568T priority Critical patent/ES2289620T3/en
Priority to DE602005002465T priority patent/DE602005002465T2/en
Priority to EP05011568A priority patent/EP1729072B1/en
Priority to AT05011568T priority patent/ATE373210T1/en
Publication of EP1729072A1 publication Critical patent/EP1729072A1/en
Application granted granted Critical
Publication of EP1729072B1 publication Critical patent/EP1729072B1/en
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H3/00—Air heaters
    • F24H3/02—Air heaters with forced circulation
    • F24H3/04—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element
    • F24H3/0405—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element using electric energy supply, e.g. the heating medium being a resistive element; Heating by direct contact, i.e. with resistive elements, electrodes and fins being bonded together without additional element in-between
    • F24H3/0411—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element using electric energy supply, e.g. the heating medium being a resistive element; Heating by direct contact, i.e. with resistive elements, electrodes and fins being bonded together without additional element in-between for domestic or space-heating systems
    • F24H3/0417—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element using electric energy supply, e.g. the heating medium being a resistive element; Heating by direct contact, i.e. with resistive elements, electrodes and fins being bonded together without additional element in-between for domestic or space-heating systems portable or mobile
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/58—Cooling; Heating; Diminishing heat transfer
    • F04D29/582—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00—Ventilation
    • F24F7/007—Ventilation with forced flow
    • F24F7/013—Ventilation with forced flow using wall or window fans, displacing air through the wall or window

Definitions

  • the present invention relates to a fan apparatus, and more particularly to a cooling/heating fan apparatus.
  • a conventional heater comprises a quartz tube that functions as a heat source to produce a hot air so as to provide a warming effect.
  • the quartz tube bums the oxygen in the air, so that the conventional heater is not suitable for a closed space in the room.
  • Another conventional heater comprises a heating element made of PTC ceramic material.
  • the PTC ceramic material is expensive, thereby greatly increasing costs of fabrication.
  • Another conventional heater comprises a halogen lamp that functions as a heating element.
  • the halogen lamp is directly projected onto the human body, so that the human body is easily burned by the high temperature produced by the halogen lamp, thereby causing danger to the user.
  • the primary objective of the present invention is to provide a cooling/heating fan apparatus.
  • Another objective of the present invention is to provide a fan apparatus, wherein the air from the ambient environment is heated by the electro-thermal plating film layer quickly, so that the electro-thermal plating film layer has an accelerated thermal cycle, thereby enhancing the heating efficiency of the fan apparatus.
  • a further objective of the present invention is to provide a fan apparatus, wherein the air from the ambient environment is heated by the electro-thermal plating film layer evenly and safely without needing to burn the oxygen, thereby protecting the user when using the fan apparatus.
  • a further objective of the present invention is to provide a fan apparatus, wherein the intersecting separation walls have cylindrical connections so that each of the through holes of the porous ceramic carrier has a plurality of arc-shaped corners to reduce the stress applied on the connections of the intersecting separation walls, thereby preventing the connections of the intersecting separation walls from being worn or broken due to a stress concentration.
  • the porous ceramic carrier 4 is formed integrally by an extrusion process and has a plurality of through holes 40.
  • the porous ceramic carrier 4 has a circular shape.
  • Each of the through holes 40 of the porous ceramic carrier 4 has a surface provided with an electro-thermal plating film layer 41 formed by a thermal chemical reaction method, such as a high temperature atomized growth method.
  • the electro-thermal plating film layer 41 is made of a resistance material, such as tin, nickel chromium alloy, copper nickel alloy, copper nickel manganese alloy and the like.
  • the air from the ambient environment is heated by the electro-thermal plating film layer 41 of each of the through holes 40 of the porous ceramic carrier 4 and to produce a hot air which is carried outward by the impeller 3 to provide a warming effect.
  • the air from the ambient environment is heated by the electro-thermal plating film layer 41 quickly, evenly and safely without needing to bum the oxygen, thereby protecting the user when using the fan apparatus.
  • the electro-thermal plating film layer 41 has an accelerated thermal cycle, thereby enhancing the heating efficiency of the fan apparatus.
  • the through holes 40 of the porous ceramic carrier 4 are formed by a plurality of intersecting separation walls 43 which are arranged in a staggered perpendicular manner.
  • the intersecting separation walls 43 have cylindrical connections 44 so that each of the through holes 40 of the porous ceramic carrier 4 has a plurality of arc-shaped corners 400 to reduce the stress applied on the connections 44 of the intersecting separation walls 43, thereby preventing the connections 44 of the intersecting separation walls 43 from being worn or broken due to a stress concentration.
  • the fan apparatus comprises a plurality of (preferably five) porous ceramic carriers 4 surrounding the propeller shaft 10 of the fan motor 1 and arranged in an annular manner.
  • the propeller shaft 10 of the fan motor 1 is located at a center of the porous ceramic carriers 4 and is extended through a gap "A" defined between the porous ceramic carriers 4.
  • the porous ceramic carrier 4 has a central portion formed with a mounting hole 42 mounted on the propeller shaft 10 of the fan motor 1.
  • a conventional porous ceramic carrier 5 in accordance with the prior art has a plurality of through holes 50 formed by a plurality of intersecting separation walls 51 having sharp connections 52.
  • the stress is applied on the sharp connections 52 of the intersecting separation walls 51, so that the sharp connections 52 of the intersecting separation walls 51 are easily worn or broken due to a stress concentration.
  • the air from the ambient environment is heated by the electro-thermal plating film layer 41 quickly, so that the electro-thermal plating film layer 41 has an accelerated thermal cycle, thereby enhancing the heating efficiency of the fan apparatus.
  • the air from the ambient environment is heated by the electro-thermal plating film layer 41 evenly and safely without needing to bum the oxygen, thereby protecting the user when using the fan apparatus.
  • the intersecting separation walls 43 have cylindrical connections 44 so that each of the through holes 40 of the porous ceramic carrier 4 has a plurality of arc-shaped corners 400 to reduce the stress applied on the connections 44 of the intersecting separation walls 43, thereby preventing the connections 44 of the intersecting separation walls 43 from being worn or broken due to a stress concentration.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Direct Air Heating By Heater Or Combustion Gas (AREA)
  • Resistance Heating (AREA)

Abstract

A cooling/heating fan apparatus includes a protective shade (2), a fan motor (1) having a propeller shaft (10) extended into the protective shade, an impeller (3) mounted on a distal end of the propeller shaft, at least one porous ceramic carrier (4) mounted on the propeller shaft and located between the fan motor and the impeller. The porous ceramic carrier has a plurality of through holes (40) each having a surface provided with an electro-thermal plating film layer (41). Thus, the air from the ambient environment is heated by the electro-thermal plating film layer quickly, thereby enhancing the heating efficiency of the fan apparatus.

Description

  • The present invention relates to a fan apparatus, and more particularly to a cooling/heating fan apparatus.
  • A conventional heater comprises a quartz tube that functions as a heat source to produce a hot air so as to provide a warming effect. However, the quartz tube bums the oxygen in the air, so that the conventional heater is not suitable for a closed space in the room. Another conventional heater comprises a heating element made of PTC ceramic material. However, the PTC ceramic material is expensive, thereby greatly increasing costs of fabrication. Another conventional heater comprises a halogen lamp that functions as a heating element. However, the halogen lamp is directly projected onto the human body, so that the human body is easily burned by the high temperature produced by the halogen lamp, thereby causing danger to the user.
  • A conventional fan heater is shown in patent document US-6397002-B .
  • The primary objective of the present invention is to provide a cooling/heating fan apparatus.
  • Another objective of the present invention is to provide a fan apparatus, wherein the air from the ambient environment is heated by the electro-thermal plating film layer quickly, so that the electro-thermal plating film layer has an accelerated thermal cycle, thereby enhancing the heating efficiency of the fan apparatus.
  • A further objective of the present invention is to provide a fan apparatus, wherein the air from the ambient environment is heated by the electro-thermal plating film layer evenly and safely without needing to burn the oxygen, thereby protecting the user when using the fan apparatus.
  • A further objective of the present invention is to provide a fan apparatus, wherein the intersecting separation walls have cylindrical connections so that each of the through holes of the porous ceramic carrier has a plurality of arc-shaped corners to reduce the stress applied on the connections of the intersecting separation walls, thereby preventing the connections of the intersecting separation walls from being worn or broken due to a stress concentration.
  • Further benefits and advantages of the present invention will become apparent after a careful reading of the detailed description with appropriate reference to the accompanying drawings.
  • In the drawings:
    • Fig. 1 is a side plan view of a fan apparatus in accordance with the preferred embodiment of the present invention;
    • Fig. 2 is a plan cross-sectional view of a porous ceramic carrier of the fan apparatus as shown in Fig. 1;
    • Fig. 3 is a locally enlarged view of the porous ceramic carrier of the fan apparatus as shown in Fig. 2;
    • Fig. 4 is a front plan view of a fan apparatus in accordance with another preferred embodiment of the present invention;
    • Fig. 5 is a plan cross-sectional view of a porous ceramic carrier of a fan apparatus in accordance with another preferred embodiment of the present invention; and
    • Fig. 6 is a plan cross-sectional view of a conventional porous ceramic carrier in accordance with the prior art.
  • Referring to the drawings and initially to Fig. 1, a fan apparatus in accordance with the preferred embodiment of the present invention comprises a protective shade 2, a fan motor 1 mounted on the protective shade 2 and having a propeller shaft 10 extended into the protective shade 2, an impeller 3 mounted on a distal end of the propeller shaft 10 of the fan motor 1, at least one porous ceramic carrier 4 mounted on the propeller shaft 10 of the fan motor 1 and located between the fan motor 1 and the impeller 3, a fixing seat 20 mounted in the protective shade 2 for fixing the porous ceramic carrier 4, and an auxiliary fan 11 mounted on a rear end of the fan motor 1 to introduce an ambient air into the fan motor 1 so as to cool the fan motor 1.
  • Referring to Figs. 2 and 3, the porous ceramic carrier 4 is formed integrally by an extrusion process and has a plurality of through holes 40. In the preferred embodiment of the present, the porous ceramic carrier 4 has a circular shape. Each of the through holes 40 of the porous ceramic carrier 4 has a surface provided with an electro-thermal plating film layer 41 formed by a thermal chemical reaction method, such as a high temperature atomized growth method. The electro-thermal plating film layer 41 is made of a resistance material, such as tin, nickel chromium alloy, copper nickel alloy, copper nickel manganese alloy and the like.
  • In practice, the air from the ambient environment is heated by the electro-thermal plating film layer 41 of each of the through holes 40 of the porous ceramic carrier 4 and to produce a hot air which is carried outward by the impeller 3 to provide a warming effect. Thus, the air from the ambient environment is heated by the electro-thermal plating film layer 41 quickly, evenly and safely without needing to bum the oxygen, thereby protecting the user when using the fan apparatus. In addition, the electro-thermal plating film layer 41 has an accelerated thermal cycle, thereby enhancing the heating efficiency of the fan apparatus.
  • The through holes 40 of the porous ceramic carrier 4 are formed by a plurality of intersecting separation walls 43 which are arranged in a staggered perpendicular manner. The intersecting separation walls 43 have cylindrical connections 44 so that each of the through holes 40 of the porous ceramic carrier 4 has a plurality of arc-shaped corners 400 to reduce the stress applied on the connections 44 of the intersecting separation walls 43, thereby preventing the connections 44 of the intersecting separation walls 43 from being worn or broken due to a stress concentration.
  • Referring to Fig. 4, the fan apparatus comprises a plurality of (preferably five) porous ceramic carriers 4 surrounding the propeller shaft 10 of the fan motor 1 and arranged in an annular manner. Thus, the propeller shaft 10 of the fan motor 1 is located at a center of the porous ceramic carriers 4 and is extended through a gap "A" defined between the porous ceramic carriers 4.
  • Referring to Fig. 5, the porous ceramic carrier 4 has a central portion formed with a mounting hole 42 mounted on the propeller shaft 10 of the fan motor 1.
  • In comparison, referring to Fig. 6, a conventional porous ceramic carrier 5 in accordance with the prior art has a plurality of through holes 50 formed by a plurality of intersecting separation walls 51 having sharp connections 52. Thus, when a fluid passes through the through holes 50 of the porous ceramic carrier 5, the stress is applied on the sharp connections 52 of the intersecting separation walls 51, so that the sharp connections 52 of the intersecting separation walls 51 are easily worn or broken due to a stress concentration.
  • Accordingly, the air from the ambient environment is heated by the electro-thermal plating film layer 41 quickly, so that the electro-thermal plating film layer 41 has an accelerated thermal cycle, thereby enhancing the heating efficiency of the fan apparatus. In addition, the air from the ambient environment is heated by the electro-thermal plating film layer 41 evenly and safely without needing to bum the oxygen, thereby protecting the user when using the fan apparatus. Further, the intersecting separation walls 43 have cylindrical connections 44 so that each of the through holes 40 of the porous ceramic carrier 4 has a plurality of arc-shaped corners 400 to reduce the stress applied on the connections 44 of the intersecting separation walls 43, thereby preventing the connections 44 of the intersecting separation walls 43 from being worn or broken due to a stress concentration.

Claims (10)

  1. A fan apparatus, comprising:
    a protective shade (2);
    a fan motor (1) mounted on the protective shade (2) and having a propeller shaft (10) extended onto the protective shade (2);
    an impeller (3) mounted on a distal end of the propeller shaft (10) of the fan motor (1);
    at least one porous ceramic carrier (4) mounted on the propeller shaft (10) of the fan motor (1) and located between the fan motor (1) and the impeller (3);
    the fan apparatus characterised in that the porous ceramic carrier (4) has a plurality of through holes (40) each having a surface provided with an electro-thermal plating film layer (41).
  2. The fan apparatus in accordance with claim 1, wherein the porous ceramic carrier (4) is formed integrally.
  3. The fan apparatus in accordance with claim 1 or claim 2, wherein the porous ceramic carrier (4) has a circular shape.
  4. The fan apparatus in accordance with one of the preceding claims, further comprising a fixing seat (20) mounted in the protective shade (2) for fixing the porous ceramic carrier (4).
  5. The fan apparatus in accordance with one of the preceding claims, further comprising an auxiliary fan (11) mounted on a rear end of the fan motor (1) to introduce an ambient air into the fan motor (1) so as to cool the fan motor (1).
  6. The fan apparatus in accordance with one of the preceding claims, wherein the through holes (40) of the porous ceramic carrier (4) are formed by a plurality of intersecting separation wills (43) having cylindrical connections (44).
  7. The fan apparatus in accordance with claim 6, wherein each of the through holes (40) of the porous ceramic carrier (4) has a plurality of arc-shaped corners (400).
  8. The fan apparatus in accordance with one of the preceding claims, wherein the fan apparatus comprises a plurality of porous ceramic carriers (4) surrounding the propeller shaft (10) of the fan motor (1).
  9. The fan apparatus in according with claim 8, wherein the propeller shaft (10) of the fan motor (1) is located at a center of the porous ceramic carriers (4) and is extended through a gap (A) defined between the porous ceramic carriers (4).
  10. The fan apparatus in accordance with one of the preceding claims, wherein the porous ceramic carrier (4) has a central portion formed with a mounting hole (42) mounted on the propeller shaft (10) of the fan motor (1).
EP05011568A 2005-05-30 2005-05-30 Fan combined with an electrical ceramical heater Active EP1729072B1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
ES05011568T ES2289620T3 (en) 2005-05-30 2005-05-30 FAN COMBINED WITH AN ELECTRIC CERAMIC HEATER.
DE602005002465T DE602005002465T2 (en) 2005-05-30 2005-05-30 Fan combined with an electric ceramic heater
EP05011568A EP1729072B1 (en) 2005-05-30 2005-05-30 Fan combined with an electrical ceramical heater
AT05011568T ATE373210T1 (en) 2005-05-30 2005-05-30 FAN COMBINED WITH AN ELECTRIC CERAMIC HEATER

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP05011568A EP1729072B1 (en) 2005-05-30 2005-05-30 Fan combined with an electrical ceramical heater

Publications (2)

Publication Number Publication Date
EP1729072A1 EP1729072A1 (en) 2006-12-06
EP1729072B1 true EP1729072B1 (en) 2007-09-12

Family

ID=35169762

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05011568A Active EP1729072B1 (en) 2005-05-30 2005-05-30 Fan combined with an electrical ceramical heater

Country Status (4)

Country Link
EP (1) EP1729072B1 (en)
AT (1) ATE373210T1 (en)
DE (1) DE602005002465T2 (en)
ES (1) ES2289620T3 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101576095B (en) * 2008-05-05 2010-12-15 广东松下环境***有限公司 Air exchange fan with heater
CN102213223A (en) * 2010-04-01 2011-10-12 卢昌 Electric apparatus with electric fan and electric heater

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NZ201460A (en) * 1981-08-17 1986-11-12 Allware Agencies Ltd Multipurpose microprocessor controlled heating and cooling fan
US4694142A (en) * 1984-11-29 1987-09-15 Glucksman Dov Z Electric air heater
JPH05272810A (en) * 1991-02-28 1993-10-22 Toyotomi Co Ltd Air blowing motor control circuit for electrical hot air blower
US6167193A (en) * 1999-11-26 2000-12-26 Honeywell Inc. Portable electric heater with digital display
US6324340B1 (en) * 2000-03-29 2001-11-27 Man Won Kim Combined electric fan and radiation heater
US6397002B1 (en) * 2000-11-28 2002-05-28 King Of Fans, Inc. Combination fan and heater

Also Published As

Publication number Publication date
ATE373210T1 (en) 2007-09-15
DE602005002465D1 (en) 2007-10-25
ES2289620T3 (en) 2008-02-01
DE602005002465T2 (en) 2008-01-03
EP1729072A1 (en) 2006-12-06

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