CN108426293B - Rotatable heat-generating body subassembly of fin and room heater - Google Patents
Rotatable heat-generating body subassembly of fin and room heater Download PDFInfo
- Publication number
- CN108426293B CN108426293B CN201810204141.3A CN201810204141A CN108426293B CN 108426293 B CN108426293 B CN 108426293B CN 201810204141 A CN201810204141 A CN 201810204141A CN 108426293 B CN108426293 B CN 108426293B
- Authority
- CN
- China
- Prior art keywords
- heating
- end cover
- tube
- fins
- heating element
- 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
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D13/00—Electric heating systems
- F24D13/02—Electric heating systems solely using resistance heating, e.g. underfloor heating
Abstract
The invention discloses a heating element assembly with rotatable fins, which comprises a heating tube, fins and a heating wire, wherein the heating wire is positioned in the heating tube and is used for being connected with an external power supply, the fins are positioned outside the heating tube, and the heating element assembly also comprises a driving piece used for driving the fins to rotate around the heating wire. The invention also discloses a warmer applying the fin rotatable heating element assembly. The warmer has the advantage of high heating speed.
Description
Technical Field
The invention relates to the technical field of heating equipment, in particular to a heating element assembly with rotatable fins and a heater using the heating element assembly with rotatable fins.
Background
With the increasing improvement of living standard of people, the warmer becomes a necessary heating device for most families. The two ends of a heating element assembly in a traditional balanced warmer shell are fixed, cold air flows into the shell from an air inlet hole, rises after being heated by the heating element assembly and flows out of the shell from an air outlet hole, and the traditional balanced warmer is a typical natural convection type heating mode for heating air, but the warmer adopts the heating mode, and the heating speed is low, and the warmer cannot be opened and heated instantly.
Disclosure of Invention
The invention mainly aims to provide a heating element assembly with rotatable fins and a heater using the heating element assembly with rotatable fins, and aims to solve the problem of low heating speed of the conventional heater.
In order to achieve the purpose, the fin-rotatable heating element assembly provided by the invention comprises a heating tube, fins and a heating wire, wherein the heating wire is positioned in the heating tube and is used for being connected with an external power supply, the fins are positioned outside the heating tube, and the heating element assembly further comprises a driving piece for driving the fins to rotate around the heating wire.
Preferably, the heating element assembly further comprises a first end cover and a second end cover, the first end cover is located at the first end of the heating tube and connected with the fins, and the second end cover is located at the second end of the heating tube; the heating element assembly comprises a heating element, a driving piece, a first end cover, a second end cover, a heating element and a heating wire, wherein the driving piece is a driving motor, an output shaft of the driving motor is connected with the first end cover, the heating element assembly further comprises a power supply fixing seat, and the heating wire is connected with the second end cover and fixed on the power supply fixing seat.
Preferably, the first end cap includes a first head and a first extending portion connected to the first head, the first head is connected to the fin, the first extending portion is sleeved in the heating tube and is in clearance fit with the first end of the heating tube, a through hole for inserting an output shaft of the driving motor is formed in the first end cap, the output shaft of the driving motor is in interference fit with the through hole, and the second end of the heating tube is fixed to the second end cap.
Preferably, the second end cap includes a second head and a second extension portion connected to the second head, the second head is attached to the end of the second end of the heating tube, the second extension portion is sleeved in the heating tube and fixed to the second end of the heating tube, the heating wire is embedded in the second end cap, and one end of the heating wire extends out of the second end cap and is fixed to the power fixing seat.
Preferably, a power adapter is arranged on the power fixing seat, and one end of the heating wire, which extends out of the second end cover, is connected with the power adapter.
Preferably, the number of the fins is multiple, and the multiple fins are arranged around the axis of the heating tube at intervals.
Preferably, the number of the heating wires is multiple, and each heating wire is coiled in the heating tube.
The invention also provides a warmer, which comprises a shell and the rotatable fin heating element assembly, wherein a heating cavity is formed in the shell, the heating element assembly is accommodated in the heating cavity, the shell is provided with an air inlet hole and an air outlet hole, and the air inlet hole is close to the heating element assembly.
Preferably, the length of the heat-generating body assembly extends in a horizontal direction or in a vertical direction.
Preferably, the inner wall of the shell is provided with a mounting seat, and the driving piece is mounted on the mounting seat.
In the technical scheme of the invention, when the warmer is used, external cold air enters the shell through the air inlet hole, the heating wire is electrified, the heating wire generates heat after being electrified, and the heat is transferred to the heating tube and the fins, so that the cold air in the shell is heated. At the in-process of heating cold air, start the driving piece to it is rotatory around the heater to drive the fin, and the rotatory in-process of fin stirs the air in the casing for the flow of air current in the casing, and then promoted rate of heating, make this room heater in the short time with the cold air heating in its casing, the cold air after the heating becomes hot-air from the exhaust vent outflow casing, realizes opening promptly the heating process of heating promptly. The warmer of the invention also has the advantages of simple structure and easy manufacture.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is an exploded view of a warmer according to an embodiment of the present invention;
FIG. 2 is an assembly view of the warmer of the present invention with the front shell omitted;
FIG. 3 is an assembly view of the warmer of the present invention with the front and rear housings omitted;
FIG. 4 is an assembled view of a warmer according to another embodiment of the present invention.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 1 | |
11 | |
| 12 | |
13 | |
| 14 | |
2 | |
| 3 | |
4 | |
| 5 | |
51 | |
| 6 | |
61 | |
| 62 | |
7 | |
| 71 | |
72 | |
| 8 | |
9 | |
| 10 | Power supply fixing seat |
The objects, features and advantages of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments will be described clearly and completely with reference to the drawings in the embodiments, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all the directional indications (such as up, down, left, right, front, and rear … …) in the present embodiment are only used to explain the relative positional relationship between the components, the movement, and the like in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indication is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1 to fig. 3, the heating element assembly with rotatable fins provided by the present invention can be applied to a warmer or other devices requiring heating. The warmer of the embodiment comprises a shell 1 and a heating element assembly, wherein a heating cavity is formed in the shell 1, the heating element assembly is accommodated in the heating cavity, an air outlet 11 and an air inlet 12 are formed in the shell 1, and the air inlet 12 is close to the heating element assembly; the heat-generating body subassembly includes heating tube 2, fin 4 and with fix heating wire 3 on casing 1, heating wire 3 is located heating tube 2 and is used for being connected with external power source, fin 4 is located outside heating tube 2, the heat-generating body subassembly still including being used for driving fin 4 around the rotatory driving piece of heating wire 3.
When the warmer of the embodiment is used, external cold air enters the shell 1 through the air inlet 12, the heating wire 3 is electrified, the heating wire 3 generates heat after being electrified, and heat is transferred to the heating tube 2 and the fins 4, so that the cold air in the shell 1 is heated. At the in-process of heating cold air, start the driving piece, it is rotatory around heating wire 3 to drive fin 4, the air of 4 rotatory in-process of fins in to casing 1 stirs, the flow of the interior air current of casing 1 has been accelerated, and then heating speed has been promoted, make this room heater in the short time with the cold air heating in its casing 1, the cold air after the heating becomes hot-air and flows out casing 1 from exhaust vent 11, realize opening promptly the heating process of heating promptly. The warmer of the embodiment also has the advantages of simple structure and easy manufacture.
It can be understood that under the condition that the heater is not needed to be started and heated, the driving piece is not needed to be started, and the fins 4 of the heating body assembly cannot rotate, so that the heater can realize the heating process of heating air in a natural convection mode, and different requirements of users are met.
In this embodiment, the warmer further comprises a first end cap 6 and a second end cap 7, the first end cap 6 is located at the first end of the heating tube 2 and connected with the fins 4, and the second end cap 7 is located at the second end of the heating tube 2; the driving piece is driving motor 5, and first end cover 6 is connected to driving motor 5's output shaft 51, and the heat-generating body subassembly still includes the power fixing base 10 of fixing on casing 1, and second end cover 7 is connected and is fixed on power fixing base 10 to heater 3. Start driving motor 5, driving motor 5 passes through output shaft 51 and drives first end cover 6 and rotate, and heater 3 is fixed on power fixing base 10, and heater 3 keeps motionless promptly, and first end cover 6 drives fin 4 and centers on heater 3 rotation, realizes carrying out the process of stirring to the air in the casing 1, and simple structure is ingenious, easily preparation.
In this embodiment, the first end cap 6 includes a first head portion 61 and a first extending portion 62, the first head portion 61 is connected to the fin 4, and the first extending portion 62 is sleeved in the heating tube 2 and is in clearance fit with the first end of the heating tube 2, so that the first end cap 6 does not affect the heating tube 2 in the rotating process. Offer the male through-hole of output shaft 51 that supplies driving motor 5 on the first end cover 6, driving motor 5's output shaft 51 and through-hole interference fit for driving motor 5 realizes the fastening connection with first end cover 6, thereby drives first end cover 6 and rotates when driving motor 5 starts, and then drives fin 4 and rotatory around heater 3.
It should be noted that, in other embodiments, the output shaft 51 of the driving motor 5 may be in a key fit or other fastening connection with the first end cap 6, and the connection between the output shaft 51 of the driving motor 5 and the first end cap 6 is not limited in the present invention.
The heating wire 3 of this embodiment is connected second end cap 7, and second end cap 7 remains motionless, and the second end of heating tube 2 is fixed on second end cap 7, and heating tube 2 keeps motionless in the rotatory in-process of fin 4 around heating wire 3 promptly, has reduced the energy consumption. In other embodiments, the first end of the heating tube 2 can be fixed on the first end cover 6, and the second end of the heating tube 2 and the second end cover 7 are not interfered with each other, so that the fin 4 and the heating tube 2 can be driven to rotate simultaneously in the rotating process of the first end cover 6, and the heating speed of the warmer is further increased.
In this embodiment, the second end cap 7 includes a second head portion 71 and a second extending portion 72, the second head portion 71 is connected to the second extending portion 72, the second head portion 71 is attached to the end portion of the second end of the heating tube 2, the second extending portion 72 is sleeved in the heating tube 2 and fixed to the second end of the heating tube 2, the heating wire 3 is embedded in the second end cap 7, and one end of the heating wire 3 extends out of the second end cap 7 and is fixed to the power fixing base 10. The heating wire 3 is fixed on the power fixing seat 10, the second end cover 7 is kept still, the second extending part 72 of the second end cover 7 is sleeved in the heating tube 2 to support the heating tube 2 and keep the heating tube 2 still, and the heating device has the advantages of simple structure and easiness in manufacturing.
In this embodiment, the number of the fins 4 is plural, and the plural fins 4 are arranged at regular intervals around the axial center of the heat generating tube 2. When the driving motor 5 is started, the plurality of fins 4 can rotate around the heating wire 3 at the same time, so that the air flow in the shell 1 is further accelerated, and the heating speed is increased. In the warmer of the present embodiment, for further increasing the acceleration, the number of the heating wires 3 arranged in the heating tube 2 is multiple, and each heating wire 3 has a longer length and can be coiled in the heating tube 2.
The housing 1 of the present embodiment includes a front housing 13 and a rear housing 14, the air outlet 11 is located on the front housing 13 near the top, and the air inlet 12 is located on the rear housing 14 near the bottom. Cold air enters the shell 1 from the air inlet hole 12, rises to the air outlet hole 11 after being heated and stirred and flows out of the shell 1 from the air outlet hole 11, the cold air outside the shell 1 enters the shell 1 from the air inlet hole 12 again, and flows out of the shell 1 from the air outlet hole 11 after being heated, and the process of circular heating of the warmer is achieved.
In this embodiment, the inner wall of the housing 1 is provided with the mounting seat 9, and the driving member is mounted on the mounting seat 9, so as to fix the driving motor 5. The power fixing base 10 of this embodiment is established on the opposite side inner wall of casing 1, is equipped with power adaptor 8 on the power fixing base 10, and the one end that stretches out second end cover 7 on the heater 3 is connected with power adaptor 8, realizes the power supply to heater 3. The power supply adapter 8 can adjust the working efficiency of the warmer.
The length of the heating element assembly in the warmer extends along the horizontal direction or extends along the vertical direction. In the present embodiment, the length of the heat-generating body assembly extends in the horizontal direction, that is, the heat-generating body assembly is disposed horizontally, and in another embodiment, as shown in fig. 4, the length of the heat-generating body assembly may extend in the vertical direction, that is, the heat-generating body assembly may be disposed vertically. When the heating element assembly is vertically arranged, the mounting seat 9 and the driving motor 5 are positioned below the heating element assembly, and the power adapter 8 and the power fixing seat 10 are positioned above the heating element assembly, so that the arrangement mode of the heating element assembly is flexibly designed according to actual conditions.
It should be noted that the length extending direction of the heating element assembly in the warmer of the present invention may be a vertical direction, or may be inclined to the vertical direction to a certain extent, that is, the length extending direction of the heating element assembly may have a certain included angle with the vertical direction, and preferably, the included angle between the length extending direction of the heating element assembly and the vertical direction may be not more than 30 °.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (8)
1. A heating element assembly with rotatable fins is characterized by comprising a heating tube, fins and heating wires, wherein the heating wires are positioned in the heating tube and are used for being connected with an external power supply; the heating element assembly further comprises a first end cover and a second end cover, the first end cover is positioned at the first end of the heating tube and connected with the fins, and the second end cover is positioned at the second end of the heating tube; the heating element assembly comprises a first end cover, a driving piece, a second end cover, a heating wire and a heating element, wherein the driving piece is a driving motor, an output shaft of the driving motor is connected with the first end cover, the heating element assembly further comprises a power supply fixing seat, and the heating wire is connected with the second end cover and fixed on the power supply fixing seat;
the first end cover comprises a first head and a first extending portion connected with the first head, the first head is connected with the fins, the first extending portion is sleeved in the heating tube and is in clearance fit with the first end of the heating tube, a through hole for inserting an output shaft of the driving motor is formed in the first end cover, the output shaft of the driving motor is in interference fit with the through hole, and the second end of the heating tube is fixed on the second end cover.
2. A fin-rotatable heat generating body assembly as claimed in claim 1, wherein the second end cap includes a second head portion and a second extension portion connected to the second head portion, the second head portion is attached to an end portion of the second end of the heat generating tube, the second extension portion is sleeved in the heat generating tube and fixed to the second end of the heat generating tube, the heater is embedded in the second end cap, and one end of the heater extends out of the second end cap and is fixed to the power fixing base.
3. A fin-rotatable heat generating body assembly as claimed in claim 2, wherein a power supply adaptor is provided on the power supply holder, and one end of the heating wire extending out of the second end cap is connected to the power supply adaptor.
4. A fin rotatable heat generating body assembly as claimed in any one of claims 1 to 3, wherein the number of the fins is plural, and the plural fins are arranged at intervals around the axial center of the heat generating tube.
5. A fin rotatable heat-generating body assembly as claimed in any one of claims 1 to 3, wherein the number of the heating wires is plural, and each of the heating wire coils is provided in the heating tube.
6. A warmer, which is characterized by comprising a shell and a fin-rotatable heating element assembly as claimed in any one of claims 1 to 5, wherein a heating cavity is formed in the shell, the heating element assembly is accommodated in the heating cavity, an air inlet hole and an air outlet hole are formed in the shell, and the air inlet hole is close to the heating element assembly.
7. The warmer according to claim 6, wherein the length of said heat-generating body assembly extends in a horizontal direction or in a vertical direction.
8. The warmer of claim 6, wherein a mounting seat is provided on an inner wall of the housing, and the driving member is mounted on the mounting seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810204141.3A CN108426293B (en) | 2018-03-12 | 2018-03-12 | Rotatable heat-generating body subassembly of fin and room heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810204141.3A CN108426293B (en) | 2018-03-12 | 2018-03-12 | Rotatable heat-generating body subassembly of fin and room heater |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108426293A CN108426293A (en) | 2018-08-21 |
| CN108426293B true CN108426293B (en) | 2020-08-04 |
Family
ID=63157830
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810204141.3A Active CN108426293B (en) | 2018-03-12 | 2018-03-12 | Rotatable heat-generating body subassembly of fin and room heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108426293B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112443880A (en) * | 2019-08-30 | 2021-03-05 | 广东美的环境电器制造有限公司 | Heating device |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5324662A (en) * | 1976-08-20 | 1978-03-07 | Hitachi Ltd | Air cooler |
| JPS61105100A (en) * | 1984-10-26 | 1986-05-23 | Sanyo Electric Co Ltd | Heat exchanger |
| CN2380884Y (en) * | 1999-04-30 | 2000-05-31 | 林世仁 | Improved heating-circular-tube radiating-fin |
| KR20090089935A (en) * | 2008-02-20 | 2009-08-25 | 황보기철 | Lamp piping heater manufacture method |
| CN103925632A (en) * | 2013-09-17 | 2014-07-16 | 宁波市鄞州多凡国际贸易有限公司 | Novel expansion type electric oil heater |
| CN203771519U (en) * | 2014-03-24 | 2014-08-13 | 济宁益群节能取暖设备有限公司 | Spinning electric heating device |
| CN204634068U (en) * | 2015-04-22 | 2015-09-09 | 苏州丰倍生物科技有限公司 | A kind of New Rotary heating tube |
| CN204943645U (en) * | 2015-09-07 | 2016-01-06 | 徐菡 | A kind of intelligent oily spit of fland electric heater |
| CN105737240A (en) * | 2014-12-12 | 2016-07-06 | 西安尼龙制品厂 | Rapid electric heater capable of dissipating heat uniformly |
| CN105805028A (en) * | 2014-12-29 | 2016-07-27 | 江阴古贝叶工业技术开发有限公司 | Electric heating fan |
| CN106907757A (en) * | 2017-04-02 | 2017-06-30 | 北京军秀咨询有限公司 | A kind of electric heater |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202652570U (en) * | 2012-05-07 | 2013-01-02 | 王诚 | High-efficiency easy-formation heating tube |
-
2018
- 2018-03-12 CN CN201810204141.3A patent/CN108426293B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5324662A (en) * | 1976-08-20 | 1978-03-07 | Hitachi Ltd | Air cooler |
| JPS61105100A (en) * | 1984-10-26 | 1986-05-23 | Sanyo Electric Co Ltd | Heat exchanger |
| CN2380884Y (en) * | 1999-04-30 | 2000-05-31 | 林世仁 | Improved heating-circular-tube radiating-fin |
| KR20090089935A (en) * | 2008-02-20 | 2009-08-25 | 황보기철 | Lamp piping heater manufacture method |
| CN103925632A (en) * | 2013-09-17 | 2014-07-16 | 宁波市鄞州多凡国际贸易有限公司 | Novel expansion type electric oil heater |
| CN203771519U (en) * | 2014-03-24 | 2014-08-13 | 济宁益群节能取暖设备有限公司 | Spinning electric heating device |
| CN105737240A (en) * | 2014-12-12 | 2016-07-06 | 西安尼龙制品厂 | Rapid electric heater capable of dissipating heat uniformly |
| CN105805028A (en) * | 2014-12-29 | 2016-07-27 | 江阴古贝叶工业技术开发有限公司 | Electric heating fan |
| CN204634068U (en) * | 2015-04-22 | 2015-09-09 | 苏州丰倍生物科技有限公司 | A kind of New Rotary heating tube |
| CN204943645U (en) * | 2015-09-07 | 2016-01-06 | 徐菡 | A kind of intelligent oily spit of fland electric heater |
| CN106907757A (en) * | 2017-04-02 | 2017-06-30 | 北京军秀咨询有限公司 | A kind of electric heater |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108426293A (en) | 2018-08-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211474489U (en) | Hanging neck fan | |
| US20080020696A1 (en) | Air-cooled motor | |
| CN108426293B (en) | Rotatable heat-generating body subassembly of fin and room heater | |
| CN108397814B (en) | Rotatable heating element assembly and warmer | |
| CN108426296B (en) | High-efficient electrothermal film room heater | |
| CN111219360B (en) | Wind wheel device and household appliance | |
| CN109099509B (en) | Cabinet air conditioner and air conditioner | |
| CN211950970U (en) | Wind wheel and electric heater | |
| CN107517578A (en) | A kind of vehicle control unit casing based on external cooling device | |
| CN214945155U (en) | Adjustable fan outer wall heat dissipation device | |
| CN215009950U (en) | Self-radiating motor and electric scissors | |
| CN208971289U (en) | A kind of warm wind motor | |
| CN219719995U (en) | Motor heating wire integration structure | |
| CN215951543U (en) | Forced convection warmer | |
| CN216554633U (en) | Vehicle-mounted mute radiating fan | |
| CN211041245U (en) | Air duct structure and device with same | |
| CN219160464U (en) | Air inlet structure of coiler | |
| EP2405144A2 (en) | Radial fan | |
| CN218888284U (en) | Cooling fan housing and motor | |
| CN216699729U (en) | Air-cooled motor | |
| CN208971269U (en) | Cooling system and magneto | |
| CN218971461U (en) | Fan with fan body | |
| CN212961831U (en) | Water heating type cross flow fan | |
| CN217401215U (en) | Cooling fan and inverter with same | |
| CN110138143A (en) | A kind of generator with radiating ribs |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |