CN1310793A - Combined electric fan and radiation heater - Google Patents
Combined electric fan and radiation heater Download PDFInfo
- Publication number
- CN1310793A CN1310793A CN00800395A CN00800395A CN1310793A CN 1310793 A CN1310793 A CN 1310793A CN 00800395 A CN00800395 A CN 00800395A CN 00800395 A CN00800395 A CN 00800395A CN 1310793 A CN1310793 A CN 1310793A
- Authority
- CN
- China
- Prior art keywords
- heater
- fan
- safety net
- motor case
- parabolic
- 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.)
- Pending
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
- F24F11/77—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D19/00—Axial-flow pumps
- F04D19/002—Axial flow fans
-
- 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
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C7/00—Stoves or ranges heated by electric energy
- F24C7/06—Arrangement or mounting of electric heating elements
- F24C7/062—Arrangement or mounting of electric heating elements on stoves
- F24C7/065—Arrangement or mounting of electric heating elements on stoves with reflectors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/0001—Control or safety arrangements for ventilation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/79—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling the direction of the supplied air
-
- 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
-
- 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
- F24H9/1854—Arrangement or mounting of grates or heating means for air heaters
- F24H9/1863—Arrangement or mounting of electric heating means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/65—Electronic processing for selecting an operating mode
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2221/00—Details or features not otherwise provided for
- F24F2221/34—Heater, e.g. gas burner, electric air heater
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Direct Air Heating By Heater Or Combustion Gas (AREA)
Abstract
A combined electric fan and radiation heater, selectively used as an electric fan in summer and as an electric radiation heater in winter, is disclosed. The combined fan and heater of this invention consists of a fan motor set in a motor case, a parabolic rear safety net, a blade unit, and a parabolic front safety net in the same manner as a conventional electric fan. The combined fan and heater is also provided with a parabolic reflector and a heat radiating body. The parabolic reflector is designed to be detachably attached to the front end surface of the motor case using a nut while replacing the rear safety net. The heat radiating body is externally wound with a heating coil and is designed to be detachably held on a seat of the parabolic reflector prior to being attached to the front end surface of the motor case using a plurality of locking screws while replacing the blade unit, with the heating coil being operated in conjunction with an existing electric circuit. When the combined fan and heater is used as an electric radiation heater, the heater accomplishes a desired radiation heating effect, allowing strong heat to effectively reach an area considerably remote from the heater, due to the parabolic reflector.
Description
Technical field
The present invention relates generally to electrical equipment, relates in particular to a kind of being designed to and can be selectively is used as electric fan in summer and is used as the combined electric fan and the pharoid of electric radiation heater in the winter time.
Background technology
Traditional electric fan is the seasonal equipment that can only use in summer, thereby they must deposit in non-use season, yet this had not only wasted the space, but also has brought inconvenience to the user.In the traditional electric heater or the seasonal equipment that can only use in the winter time, also exist same problem.
Therefore, need design a kind of combined electric fan and pharoid, it can be used as electric fan selectively in summer, and is used as electric heater in the winter time, need not deposit season in non-use thus.
The announcement of invention
Therefore, the present invention's above-mentioned problem that is present in the prior art that links closely, its purpose is to provide a kind of combined electrical heater and fan, it was designed to be used as electric fan selectively in summer, and after the rotating vane unit and rear-mounted safety net of replacing fan simultaneously with the heat radiator and the parabolic-shaped reflector of heater, then can be used as the electric radiation heater in the winter time.
To achieve these goals, the invention provides a kind of combined electric fan and pharoid, it comprises: be arranged on the rear-mounted safety net of fan motor, paraboloidal, rotating vane unit and paraboloidal forward type safety net in the motor case; It also comprises: parabolic-shaped reflector and heat radiator, this parabolic-shaped reflector are designed to utilize nut to be installed in separably on the front end surface of motor case, replace rear-mounted safety net with this; The outside of heat radiator is wound with heater coil, and be designed to before on the front end surface that parabolic-shaped reflector is installed to motor case, utilize some lock screw to be fixed on separably on the pedestal of parabolic-shaped reflector earlier, replace the rotating vane unit with this, wherein heater coil and known fan circuit work together.
When this assembled fan and heater were used as the electric radiation heater, because the cause of parabolic-shaped reflector, this heater can reach the effect of required radiation heating, and it can make a large amount of heats arrive the zone quite far away apart from heater effectively.
Brief description
By after the detailed description considered in conjunction with the accompanying drawings hereinafter, can more be expressly understood above-mentioned and other purpose, characteristics and other advantage of the present invention, in these accompanying drawings:
Fig. 1 is the exploded stereogram, and it shows a kind of assembled fan of preferred embodiment of the present invention and the structure of heater;
Fig. 2 is a cutaway view, the structure when it shows assembled fan of the present invention and heater and is used as electric fan;
Fig. 3 is a cutaway view, the structure when it shows assembled fan of the present invention and heater and is used as the electric radiation heater; And
Fig. 4 is the circuit diagram that is used for assembled fan of the present invention and heater.
Implement optimal mode of the present invention
Fig. 1 is the exploded stereogram, and it shows a kind of assembled fan of preferred embodiment of the present invention and the structure of heater.Fig. 2 is a cutaway view, the structure when it shows this assembled fan and heater and is used as electric fan.Fig. 3 is a cutaway view, the structure when it shows this assembled fan and heater and is used as the electric radiation heater.Fig. 4 is the circuit diagram that is used for assembled fan and heater.
As shown in Figure 1, assembled fan of the present invention and heater comprise motor case 10, are formed at the supercentral external screw thread axle bush in front side (boss) 11 of this motor case 10.The rear-mounted safety net 20 of paraboloidal utilizes the screw collar that is tightened on the axle bush 11 to be fixed on separably on the axle bush 11.Motor reel 30 stretches out forward by the center of axle bush 11 from the motor M that is arranged on motor case 10 inside.Rotating vane unit 40 utilizes the knob on the external screw thread end that is tightened in motor reel 30 to be fixed on the motor reel 30.Paraboloidal forward type safety net 50 is assembled together with the edge of the rear-mounted safety net of paraboloidal along them, thereby constitutes the safety net assembly that holds rotating vane unit 40.The structure of combinations thereof formula fan and heater is identical with the structure of traditional electrical fan.This assembled fan and heater also are provided with parabolic-shaped reflector 60, and this reflector is designed to utilize nut to be installed in separably on the front end surface of motor case 10, replaces rear-mounted safety net 20 with this.This assembled fan and heater also comprise heat radiator 70.The outside of this heat radiator 70 is wound with heater coil 71, and is designed to utilize some lock screw to be installed on the front end surface of motor case 10, replaces rotating vane unit 40 with this.In this case, this heater coil 71 works together with known circuit.Therefore, assembled fan of the present invention and heater can be used as electric fan and electric radiation heater selectively.
In the time assembled fan and heater will being used as electric fan, utilize screw collar that rear-mounted safety net 20 is fixed on the supercentral external screw thread axle bush 11 in the front side that is formed at motor case 10, as shown in Figure 2.In addition, utilize the knob nut that rotating vane unit 40 is fixed on the motor reel 30 that the motor M that is positioned among the motor case 10 stretches out forward by the center of axle bush 11.Then, forward type safety net 50 and the edge of rear-mounted safety net 20 along them are assembled together, constitute the safety net assembly that holds rotating vane unit 40 thus.
From Fig. 1, can be clear that, the shape and size of parabolic-shaped reflector 60 are similar to the shape and size of rear-mounted safety net 20, therefore on the front end surface that this parabolic-shaped reflector 60 is easy to utilize nut to be installed in motor case 10, replace rear-mounted safety net 20 with this.In the present invention, preferably parabolic-shaped reflector 60 is designed to: this reflector can will come from the heat of heat radiator 70 and concentrate reflection in the desired direction, so that a large amount of heats can arrive the zone quite far away apart from heater effectively, even how many reflect heat angles of this reflector 60 is subjected to a little restrictions.
On the other hand, the pedestal 61 of the forward edge of motor case 10 and parabolic-shaped reflector 60 is provided with some screws separately, so that heat radiator 70 utilizes some lock screw to be installed on the front end surface of motor case 10.The pedestal 61 of reflector 60 is provided with and is used to the central opening that allows axle bush 11 to pass through.
In the time assembled fan and heater will being used as electric fan, all parts that fan is required all are fixedly mounted on the motor case 10, as shown in Figure 2.After all fan parts and motor case 10 are assembled together, can suitably handle this fan by the required functional switch of operation setting on the top surface of base 80.As shown in Figure 1, said base 80 is provided with timer T, shutdown switch SW1 and some wind control switch SW2, SW3 and SW4, so that the user can handle fan easily.
On the other hand, in the time this assembled fan and heater will being used as the electric radiation heater, successively forward type safety net 50, rotating vane unit 40 and rear-mounted safety net 20 are separated motor case 10.Then, the parabolic-shaped reflector 60 that utilizes nut will replace rear-mounted safety net 20 is installed on the front end surface of motor case 10.The heat radiator 70 that replaces rotating vane unit 40 is stabilized in the pedestal 61 of reflector 60, and wherein the connector 72 of heater coil 71 links to each other with another connector 73 of motor case 10.Then, utilize some lock screw of the screw that passes heat radiator 70 that heat radiator 70 is fixedly mounted on the front end surface of motor case 10.Forward type safety net 50 and the edge of parabolic-shaped reflector 60 along them are assembled together, are configured for the safety guard assembly of heat radiator 70 thus.
At the parts that heater is required fully and after motor case 10 is assembled together, timer T, shutdown switch SW1 and some heat gauge tap H1 and the H2 on the top surface of base 80 can suitably handle this heater by operation setting.
The operational effect of assembled fan of the present invention and heater is described with reference to circuit diagram shown in Figure 4 below.As shown in the figure, timer T is being connected in series a safety switch SW5.On the other hand, fan motor M and heater coil 71 all are designed under the control of switch element by electric starting, and this switch element is made of heating gauge tap H1 and H2, shutdown switch SW1 and wind control switch SW2, SW3 and SW4.
When assembled fan and heater were used as electric fan, starting fan motor M controlled its rotating speed by three wind control switch SW2, SW3 and SW4 with three grades of control models simultaneously.In this case, the heater section of circuit is inoperative fully because of the switching manipulation of switch element.
On the other hand, when assembled fan and heater were used as the electric radiation heater, the heater coil 71 that replaces fan motor M was by the action of electric starting with response heating gauge tap H1 or H2.So the heater coil 71 of heat radiator 70 is to parabolic-shaped reflector 60 evolutions of heat.
In Fig. 4, label SW6 represents to be used to make the rotary monitoring switch of head assembly reverse rotation in predetermined angular of assembled fan and heater.On the other hand, label P and F represent overheat sensor and fuse.In foregoing circuit, fuse F, safety switch SW5, timer T and shutdown switch SW1 all are designed to not only can be in fan mode, but also can work in heater mode.
Industrial applicibility
As mentioned above, combined electrical heater of the present invention and fan are designed to be used as electric fan or electric radiation heater as required selectively, are easy to replace simply with the accessory of heater simultaneously some parts of fan again.Especially, when combined electrical heater of the present invention and fan were used as the electric radiation heater, the parabolic-shaped reflector that its shape and traditional paraboloidal antenna is similar was installed on the motor case.Therefore, it can concentrate effectively come from the heater coil that is installed in the supercentral heat radiator of parabolic-shaped reflector, the heat angle of departure is about the heat in 50 ° the scope, and heat unnecessarily disperseed.Because the cause of this parabolic-shaped reflector, this heater can reach the effect of required radiation heating, it can make a large amount of heats arrive the zone quite far away apart from heater effectively.
Therefore, assembled fan of the present invention and heater can effectively and selectively be used as electric fan and be used as the electric radiation heater in the winter time in summer.That is, assembled fan of the present invention and heater are all available equipment of the four seasons, need not deposit outside non-use season, but and all use effectively the whole year.Especially, when assembled fan and heater are used as the electric radiation heater, because the cause of this parabolic-shaped reflector, this heater can reach the effect of required radiation heating, it can make a large amount of heats arrive the zone quite far away apart from heater effectively.Can reach satisfactory thus, be enhanced add thermal effect.
Though disclosed preferred embodiment of the present invention for purposes of illustration, but those skilled in the art should recognize, under the situation that does not break away from the scope of the invention that disclosed by claim and spiritual essence, various modifications in design may be made, the additional and mode of replacing.
Claims (1)
1. electric fan, it comprises: motor case, be formed at the supercentral external screw thread axle bush in front side of described motor case, utilization is tightened in screw collar on the described axle bush and is fixed on the rear-mounted safety net of paraboloidal on the axle bush separably, the motor reel that stretches out by the axle bush center from the fan motor that is positioned at motor case, utilization is tightened in knob on the described motor reel and is fixed on rotating vane unit on the motor reel separably, and be assembled together with the edge of described rear-mounted safety net along them, cover the paraboloidal forward type safety net of the safety net assembly of described rotating vane unit with formation, its progressive part comprises:
Parabolic-shaped reflector, described reflector are designed to utilize nut to be installed in separably on the front end surface of described motor case, replace described rear-mounted safety net with this; And
Heat radiator, the outside of described heat radiator is wound with heater coil, and be designed to before on the front end surface that described parabolic-shaped reflector is installed to described motor case, utilize some lock screw to be fixed on separably on the pedestal of parabolic-shaped reflector earlier, replace the rotating vane unit with this, wherein said heater coil and known fan circuit work together
Described electric fan takes this to be used as the electric radiation heater as required selectively.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR199910759 | 1999-03-29 | ||
KR19990010759 | 1999-03-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN1310793A true CN1310793A (en) | 2001-08-29 |
Family
ID=19578040
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN00800395A Pending CN1310793A (en) | 1999-03-29 | 2000-03-29 | Combined electric fan and radiation heater |
Country Status (4)
Country | Link |
---|---|
JP (1) | JP3451435B2 (en) |
CN (1) | CN1310793A (en) |
AU (1) | AU3463000A (en) |
WO (1) | WO2000058669A2 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102213223A (en) * | 2010-04-01 | 2011-10-12 | 卢昌 | Electric apparatus with electric fan and electric heater |
CN102449315A (en) * | 2009-06-04 | 2012-05-09 | 夏普株式会社 | Air blower |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102032219B (en) * | 2011-01-07 | 2012-10-03 | 佛山市富士宝电器科技股份有限公司 | Fan mesh enclosure |
CN104632667A (en) * | 2015-02-11 | 2015-05-20 | 许文龙 | Multipurpose fan |
CN105065310A (en) * | 2015-08-07 | 2015-11-18 | 无锡市悦丰化工有限公司 | Electric fan made from stable material |
CN113847665B (en) * | 2021-11-02 | 2022-04-22 | 嘉兴学院 | Reflective radiation cooling system |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5751190U (en) * | 1980-09-08 | 1982-03-24 | ||
JPS62204240U (en) * | 1986-06-16 | 1987-12-26 | ||
JPH01139931A (en) * | 1987-11-26 | 1989-06-01 | Sanyo Electric Co Ltd | Electric stove also acting as electric fan |
JPH01277166A (en) * | 1988-04-27 | 1989-11-07 | Sanyo Electric Co Ltd | Electric stove |
KR0132177B1 (en) * | 1995-08-30 | 1998-04-20 | 배순훈 | Hot/cool wind motor fan |
KR0114833Y1 (en) * | 1995-12-12 | 1998-04-18 | 배순훈 | Heating motor fan |
-
2000
- 2000-03-29 WO PCT/KR2000/000276 patent/WO2000058669A2/en active Application Filing
- 2000-03-29 JP JP2000608122A patent/JP3451435B2/en not_active Expired - Fee Related
- 2000-03-29 AU AU34630/00A patent/AU3463000A/en not_active Abandoned
- 2000-03-29 CN CN00800395A patent/CN1310793A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102449315A (en) * | 2009-06-04 | 2012-05-09 | 夏普株式会社 | Air blower |
US8951024B2 (en) | 2009-06-04 | 2015-02-10 | Sharp Kabushiki Kaisha | Air blower |
CN102213223A (en) * | 2010-04-01 | 2011-10-12 | 卢昌 | Electric apparatus with electric fan and electric heater |
Also Published As
Publication number | Publication date |
---|---|
WO2000058669A3 (en) | 2001-03-01 |
WO2000058669A2 (en) | 2000-10-05 |
AU3463000A (en) | 2000-10-16 |
JP2003525375A (en) | 2003-08-26 |
JP3451435B2 (en) | 2003-09-29 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US4515538A (en) | Ceiling fan | |
US4882467A (en) | Electric warm air mirror defogging device | |
CN1310793A (en) | Combined electric fan and radiation heater | |
CA2770950A1 (en) | Wind turbines | |
JP2001526563A (en) | Duct flow hair dryer | |
EP2504580A1 (en) | Centrifugal ceiling fan | |
US5330323A (en) | Ceiling fan | |
US6324340B1 (en) | Combined electric fan and radiation heater | |
WO2000037799A1 (en) | Electric waving fan | |
US20040084071A1 (en) | Combination umbrella and fan | |
US20050005588A1 (en) | Lawnmower | |
KR100470515B1 (en) | Electric fan combined hot wind0 | |
US5230606A (en) | Electric fan with hot air/cold air dual-mode control | |
US6089726A (en) | Lamp shade heater device | |
JP3532562B2 (en) | Heater and electric fan | |
CN201003853Y (en) | Improved heating blower fan | |
KR100382700B1 (en) | a combined electric fan and heater | |
KR100317849B1 (en) | electric heater with a mechanical fan | |
CN106508446A (en) | Pruning machine | |
KR200266012Y1 (en) | A heater and electric fan | |
KR100458713B1 (en) | An electric fan combined with heater | |
KR200251368Y1 (en) | A combined heating and cooling electric fan using heating wires | |
KR200194145Y1 (en) | Heating function combined electric fan | |
CN215570762U (en) | Heating device | |
KR200316314Y1 (en) | Electric Heater Fan |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C12 | Rejection of a patent application after its publication | ||
RJ01 | Rejection of invention patent application after publication | ||
REG | Reference to a national code |
Ref country code: HK Ref legal event code: GR Ref document number: 1061549 Country of ref document: HK |