EP1729072B1 - Fan combined with an electrical ceramical heater - Google Patents
Fan combined with an electrical ceramical heater Download PDFInfo
- 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
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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
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, afan motor 1 mounted on theprotective shade 2 and having apropeller shaft 10 extended into theprotective shade 2, an impeller 3 mounted on a distal end of thepropeller shaft 10 of thefan motor 1, at least one porousceramic carrier 4 mounted on thepropeller shaft 10 of thefan motor 1 and located between thefan motor 1 and the impeller 3, afixing seat 20 mounted in theprotective shade 2 for fixing the porousceramic carrier 4, and anauxiliary fan 11 mounted on a rear end of thefan motor 1 to introduce an ambient air into thefan motor 1 so as to cool thefan 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 throughholes 40. In the preferred embodiment of the present, the porousceramic carrier 4 has a circular shape. Each of thethrough holes 40 of the porousceramic carrier 4 has a surface provided with an electro-thermalplating film layer 41 formed by a thermal chemical reaction method, such as a high temperature atomized growth method. The electro-thermalplating 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 throughholes 40 of the porousceramic 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-thermalplating 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-thermalplating film layer 41 has an accelerated thermal cycle, thereby enhancing the heating efficiency of the fan apparatus. - The through
holes 40 of the porousceramic carrier 4 are formed by a plurality of intersectingseparation walls 43 which are arranged in a staggered perpendicular manner. The intersectingseparation walls 43 havecylindrical connections 44 so that each of the throughholes 40 of the porousceramic carrier 4 has a plurality of arc-shaped corners 400 to reduce the stress applied on theconnections 44 of the intersectingseparation walls 43, thereby preventing theconnections 44 of the intersectingseparation 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 thepropeller shaft 10 of thefan motor 1 and arranged in an annular manner. Thus, thepropeller shaft 10 of thefan motor 1 is located at a center of the porousceramic carriers 4 and is extended through a gap "A" defined between the porousceramic carriers 4. - Referring to Fig. 5, the porous
ceramic carrier 4 has a central portion formed with amounting hole 42 mounted on thepropeller shaft 10 of thefan motor 1. - In comparison, referring to Fig. 6, a conventional porous
ceramic carrier 5 in accordance with the prior art has a plurality of throughholes 50 formed by a plurality of intersectingseparation walls 51 havingsharp connections 52. Thus, when a fluid passes through the throughholes 50 of the porousceramic carrier 5, the stress is applied on thesharp connections 52 of the intersectingseparation walls 51, so that thesharp connections 52 of the intersectingseparation 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-thermalplating 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-thermalplating film layer 41 evenly and safely without needing to bum the oxygen, thereby protecting the user when using the fan apparatus. Further, the intersectingseparation walls 43 havecylindrical connections 44 so that each of the throughholes 40 of the porousceramic carrier 4 has a plurality of arc-shaped corners 400 to reduce the stress applied on theconnections 44 of the intersectingseparation walls 43, thereby preventing theconnections 44 of the intersectingseparation walls 43 from being worn or broken due to a stress concentration.
Claims (10)
- 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).
- The fan apparatus in accordance with claim 1, wherein the porous ceramic carrier (4) is formed integrally.
- The fan apparatus in accordance with claim 1 or claim 2, wherein the porous ceramic carrier (4) has a circular shape.
- 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).
- 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).
- 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).
- 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).
- 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).
- 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).
- 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).
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)
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)
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 |
-
2005
- 2005-05-30 EP EP05011568A patent/EP1729072B1/en active Active
- 2005-05-30 ES ES05011568T patent/ES2289620T3/en active Active
- 2005-05-30 DE DE602005002465T patent/DE602005002465T2/en not_active Expired - Fee Related
- 2005-05-30 AT AT05011568T patent/ATE373210T1/en not_active IP Right Cessation
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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