CN209748339U - Mute generator - Google Patents
Mute generator Download PDFInfo
- Publication number
- CN209748339U CN209748339U CN201920728104.2U CN201920728104U CN209748339U CN 209748339 U CN209748339 U CN 209748339U CN 201920728104 U CN201920728104 U CN 201920728104U CN 209748339 U CN209748339 U CN 209748339U
- Authority
- CN
- China
- Prior art keywords
- sound insulation
- heat dissipation
- generator
- box body
- insulation box
- 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.)
- Expired - Fee Related
Links
Landscapes
- Motor Or Generator Frames (AREA)
Abstract
The utility model discloses a silent generator, which comprises a bottom plate, a back plate, a traveling wheel, a supporting leg and a supporting cushion block, wherein the traveling wheel is convenient to move, the supporting cushion block is used for fixing, a sound insulation mechanism is formed by a sound insulation box body and a sound insulation upper cover, sound insulation plates or suction cotton are arranged in the inner cavities of the sound insulation box body and the sound insulation upper cover, the influence of the noise of the generator body on the external environment can be reduced, the vibration generated by the generator body can be converted into the internal energy of the rubber column, the rubber sheet and the first spring through a rubber column, a rubber sheet, a water sac, a metal heat conducting sheet and a first spring, the vibration noise is reduced, the heat energy generated by a motor can be transmitted to the water sac along the metal heat conducting sheet, a certain heat dissipation effect is achieved, a heat dissipation mechanism is formed by a heat dissipation shell, a water inlet pipe, a water outlet pipe, a sealing cover, a control, and heat exchange is carried out between the cooling water and the hot air, so that quick heat dissipation is realized.
Description
Technical Field
The utility model relates to a generator technical field, concrete field is a silence generator.
Background
The generator is mechanical equipment for converting energy in other forms into electric energy, and is driven by a water turbine, a steam turbine, a diesel engine or other power machines, and converts energy generated by water flow, air flow, fuel combustion or nuclear fission into mechanical energy to be transmitted to the generator, and then the mechanical energy is converted into electric energy by the generator. The generator is widely applied to industrial and agricultural production, national defense, science and technology and daily life, mainly comprises a stator, a rotor, an end cover, an electric brush, a machine base, a bearing and other parts, has a plurality of forms, and is based on an electromagnetic induction law and an electromagnetic force law. Therefore, the general principle of the structure is that a magnetic circuit and a circuit which mutually perform electromagnetic induction are formed by proper magnetic conductive and conductive materials to generate electromagnetic power so as to achieve the purpose of energy conversion, the generator continuously generates noise pollution and emits a large amount of heat in the working process to influence the environment, and if the heat is excessively dissipated, the service life is influenced, therefore, the mute generator is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a silence generator to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a mute generator comprises a moving mechanism, a sound insulation mechanism and a generator body, wherein the sound insulation mechanism is installed on the moving mechanism, the generator body is installed inside the sound insulation mechanism through bolts, the moving mechanism comprises a bottom plate, the right end of the upper surface of the bottom plate is fixedly connected with a back plate, traveling wheels are symmetrically installed on the right portion of the lower surface of the bottom plate, one ends of supporting legs are symmetrically installed on the left portion of the lower surface of the bottom plate, and supporting cushion blocks are fixedly connected to the other ends of the supporting legs;
The sound insulation mechanism comprises a sound insulation box body, the lower surface of the sound insulation box body is fixedly connected with the upper surface of the bottom plate, a sound insulation upper cover is installed on the sound insulation box body through bolts, one ends of rubber columns are symmetrically installed on the left inner side wall and the right inner side wall of the sound insulation box body, one ends of rubber sheets are fixedly connected with the other ends of the rubber columns, one ends of water bags are bonded with the other ends of the rubber sheets, metal heat conducting sheets are bonded with the other ends of the water bags, the metal heat conducting sheets on the left side and the right side of the water bags are in contact with the generator body, first springs are installed between the left inner side wall and the rubber sheets of the sound insulation box body, a heat dissipation shell is integrally formed on the upper surface of the sound insulation upper cover, a water inlet pipe is communicated with the left end of the upper surface of the heat dissipation shell, a water outlet pipe is communicated with the bottom end of, the utility model discloses a heat dissipation casing, including radiating casing, air pump, air outlet pipe, air pump, radiating casing's inner chamber is installed the radiating trachea, radiating trachea's intake pipe and outlet duct all run through the sound insulation upper cover extends into in the sound insulation box, the air pump is installed through the mount symmetry to the lower surface of sound insulation upper cover, the left side the end of giving vent to anger of air pump with radiating trachea's intake pipe is linked together, the right side the.
Preferably, both ends all fixedly connected with arc handle around the upper surface of backplate, install the rubber sleeve on the arc handle.
Preferably, the sound insulation box body and the inner cavity of the sound insulation upper cover are both provided with sound insulation boards.
preferably, the sound-absorbing cotton is arranged in the inner cavities of the sound-insulating box body and the sound-insulating upper cover.
Preferably, spring guide posts are fixedly mounted on the left inner side wall, the right inner side wall and the side wall of the rubber sheet and located in the first spring.
Preferably, a handle is mounted on the upper surface of the heat dissipation shell.
Preferably, the heat dissipation air pipes are arranged in a snake-shaped structure, and the air pump is a small-sized mute air pump.
Compared with the prior art, the beneficial effects of the utility model are that: the main structure of the utility model is composed of a generator body, a moving mechanism and a sound insulation mechanism, the moving mechanism is composed of a bottom plate, a back plate, a walking wheel, a supporting leg and a supporting cushion block, wherein the walking wheel is convenient to move, the supporting cushion block is used for fixing, the sound insulation mechanism is composed of a sound insulation box body and a sound insulation upper cover, the inner cavities of the sound insulation box body and the sound insulation upper cover are provided with sound insulation plates or suction cotton, wherein the sound insulation plates are made of high-density materials, can weaken the transmission sound energy and block the propagation of sound, the sound insulation cotton is made of artificial inorganic fiber and has a plurality of tiny pores, and can buffer and absorb the sound wave, thereby reducing the influence of the noise of the generator body on the external environment, and the vibration generated by the generator body can be converted into the rubber column, the internal energy of the rubber sheet and the first spring through the rubber column, the, can transmit the heat energy that the motor produced to the water pocket along the metal conducting strip again, have certain radiating effect, constitute heat dissipation mechanism through heat dissipation casing, inlet tube, outlet pipe, sealed lid, control valve, heat dissipation trachea and air pump, in with the leading-in radiating casing of sound-proof box internal hot-air through the air pump to carry out the heat exchange through cooling water and hot-air, realize dispelling the heat fast, the utility model provides a silence generator has the silence heat dissipation function concurrently, and is rational in infrastructure, and the practicality is strong.
Drawings
Fig. 1 is a schematic view of the structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
FIG. 3 is a schematic view of a portion of the enlarged structure of A in FIG. 2;
Fig. 4 is a schematic top view of the heat dissipation housing of the present invention;
Fig. 5 is a schematic view of the internal structure of embodiment 2 of the present invention.
In the figure: 1-generator body, 2-bottom plate, 3-back plate, 4-traveling wheel, 5-supporting leg, 6-supporting cushion block, 7-sound insulation box body, 8-sound insulation upper cover, 9-rubber column, 10-rubber sheet, 11-water bag, 12-metal heat conducting sheet, 13-first spring, 14-heat dissipation shell, 15-water inlet pipe, 16-water outlet pipe, 17-sealing cover, 18-control valve, 19-heat dissipation air pipe, 20-air pump, 21-arc handle, 22-sound insulation plate, 23-sound absorption cotton, 24-spring guide column and 25-handle.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
example 1
Referring to fig. 1-4, the present invention provides a technical solution: a silent generator comprises a moving mechanism, a sound insulation mechanism and a generator body 1, wherein the sound insulation mechanism is installed on the moving mechanism, the generator body is installed in the sound insulation mechanism through bolts, the moving mechanism comprises a bottom plate 2, a back plate 3 is fixedly connected to the right end of the upper surface of the bottom plate, traveling wheels 4 are symmetrically installed on the right end of the lower surface of the bottom plate, one ends of supporting legs 5 are symmetrically installed on the left end of the lower surface of the bottom plate, supporting cushion blocks 6 are fixedly connected to the other ends of the supporting legs, the main structure of the silent generator is formed by the generator body, the moving mechanism and the sound insulation mechanism, the moving mechanism is formed by the bottom plate, the back plate, the traveling wheels, the supporting legs and the supporting cushion blocks, the;
The sound insulation mechanism comprises a sound insulation box body 7, the lower surface of the sound insulation box body is fixedly connected with the upper surface of the bottom plate, a sound insulation upper cover 8 is installed on the sound insulation box body through bolts, one ends of rubber columns 9 are symmetrically installed on the left inner side wall and the right inner side wall of the sound insulation box body, one ends of rubber sheets 10 are fixedly connected with the other ends of the rubber sheets, one ends of water bags 11 are bonded with the other ends of the rubber sheets, metal heat conducting sheets 12 are bonded with the other ends of the water bags, the metal heat conducting sheets on the left side and the right side are both contacted with the generator body, first springs 13 are installed between the left inner side wall and the right inner side wall of the sound insulation box body and the rubber sheets, a heat dissipation shell 14 is integrally formed on the upper surface of the sound insulation upper cover, the left end of the upper surface of the heat dissipation shell is communicated with a water inlet, the water inlet pipe and the water outlet pipe are respectively provided with a sealing cover 17 and a control valve 18, a heat dissipation air pipe 19 is arranged in the inner cavity of the heat dissipation shell, the air inlet pipe and the air outlet pipe of the heat dissipation air pipe penetrate through the sound insulation upper cover and extend into the sound insulation box body, the lower surface of the sound insulation upper cover is symmetrically provided with an air pump 20 through a fixing frame, the air outlet end of the air pump at the left side is communicated with the air inlet pipe of the heat dissipation air pipe, the air inlet end of the air pump at the right side is communicated with the air outlet pipe of the heat dissipation air pipe, a sound insulation mechanism is formed by the sound insulation box body and the sound insulation upper cover, and sound insulation plates or suction cotton are arranged in the inner cavities of the sound insulation box body and the sound insulation upper cover, wherein the sound insulation plates are made of high-density materials, can weaken transmission sound energy and block the transmission of sound, the sound, through the rubber column, the sheet rubber, the water pocket, metal conducting strip and first spring, both can change the vibrations that the generator body produced into the rubber column, the internal energy of sheet rubber and first spring, reduce vibration noise, can transmit the heat energy that the motor produced to the water pocket along the metal conducting strip again, certain radiating effect has, through the heat dissipation casing, the inlet tube, the outlet pipe, sealed lid, the control valve, heat dissipation trachea and air pump constitute heat dissipation mechanism, through the air pump with the leading-in heat dissipation casing of the internal hot-air of sound-proof box in, and carry out the heat exchange through cooling water and hot-air, realize quick heat dissipation.
particularly, the equal fixedly connected with arc handle 21 in both ends around the upper surface of backplate, the last rubber sleeve that installs of arc handle.
Specifically, the sound insulation boards 22 are arranged in the inner cavities of the sound insulation box body and the sound insulation upper cover, and the sound insulation boards are made of high-density materials and can weaken transmitted sound energy and block the transmission of sound.
Specifically, the left inner side wall and the right inner side wall of the sound insulation box body, the rubber sheet side wall and the first spring are fixedly provided with spring guide posts 24, and the first spring is prevented from being bent laterally through the spring guide posts.
specifically, a handle 25 is mounted on the upper surface of the heat dissipation case.
Specifically, the heat dissipation trachea is the snakelike structure and arranges, the air pump is small-size silence air pump.
The working principle is as follows: the utility model provides a silent generator, which comprises a generator body, a moving mechanism and a sound insulation mechanism, wherein the main structure of the utility model is formed by firstly injecting the raw material of the generator into the generator body, then fixing a sound insulation upper cover on a sound insulation box body through bolts, screwing down the sealing cover to inject cooling water into a heat dissipation shell along a water inlet pipe, then screwing up the sealing cover, holding an arc handle inclined bottom plate to make a walking wheel contact with the ground and a supporting cushion block not contact with the ground, moving the utility model to a designated position, controlling the generator body to be in a working state through an external control button arranged on the sound insulation box body, blocking the noise generated by the generator body during generating electricity through the sound insulation box body and the sound insulation plate in the sound insulation upper cover, wherein the sound insulation plate is made of high-density material, weakening the transmission sound energy, blocking the sound transmission, reducing the influence of the noise of the, simultaneously through the rubber column, the sheet rubber, the water pocket, metal conducting strip and first spring, both can change the vibrations that the generator body produced into the rubber column, the internal energy of sheet rubber and first spring, reduce vibration noise, can transmit the heat energy that the motor produced to the water pocket along the metal conducting strip again, certain radiating effect has, be in operating condition for external control button control air pump on further heat dissipation processing accessible heat dissipation casing, the left side air pump is with the internal gas suction of sound-proof box in the heat dissipation trachea, and carry out the heat transfer with the cooling water in the heat dissipation casing, the air after the heat dissipation is in getting back to the sound-proof box along the discharge of heat dissipation trachea under the effect of right side air pump, thereby realize the heat dissipation and handle, open the control valve during periodic change cooling water, the cooling water can along the outlet pipe discharge.
Example 2
Referring to fig. 5, the present invention provides a technical solution: a mute generator comprises a moving mechanism, a sound insulation mechanism and a generator body 1, wherein the sound insulation mechanism is installed on the moving mechanism, the generator body is installed inside the sound insulation mechanism through bolts, the moving mechanism comprises a bottom plate 2, a back plate 3 is fixedly connected to the right end of the upper surface of the bottom plate, traveling wheels 4 are symmetrically installed on the right portion of the lower surface of the bottom plate, one ends of supporting legs 5 are symmetrically installed on the left portion of the lower surface of the bottom plate, and supporting cushion blocks 6 are fixedly connected to the other ends of the supporting legs;
The sound insulation mechanism comprises a sound insulation box body 7, the lower surface of the sound insulation box body is fixedly connected with the upper surface of the bottom plate, a sound insulation upper cover 8 is installed on the sound insulation box body through bolts, one ends of rubber columns 9 are symmetrically installed on the left inner side wall and the right inner side wall of the sound insulation box body, one ends of rubber sheets 10 are fixedly connected with the other ends of the rubber sheets, one ends of water bags 11 are bonded with the other ends of the rubber sheets, metal heat conducting sheets 12 are bonded with the other ends of the water bags, the metal heat conducting sheets on the left side and the right side are both contacted with the generator body, first springs 13 are installed between the left inner side wall and the right inner side wall of the sound insulation box body and the rubber sheets, a heat dissipation shell 14 is integrally formed on the upper surface of the sound insulation upper cover, the left end of the upper surface of the heat dissipation shell is communicated with a water inlet, the inlet tube with install sealed lid 17 and control valve 18 on the outlet pipe respectively, heat dissipation trachea 19 is installed to the inner chamber of heat dissipation casing, the tracheal intake pipe of heat dissipation all runs through with the outlet duct the upper cover that gives sound insulation extends into in the sound insulation box, air pump 20 is installed through the mount symmetry to the lower surface of sound insulation upper cover, the left side the end of giving vent to anger of air pump with the tracheal intake pipe of heat dissipation is linked together, the right side the intake end of air pump with the tracheal outlet duct of heat dissipation is linked together.
Particularly, the equal fixedly connected with arc handle 21 in both ends around the upper surface of backplate, the last rubber sleeve that installs of arc handle.
Particularly, the inner cavities of the sound insulation box body and the sound insulation upper cover are respectively provided with sound absorption cotton 23, the sound absorption cotton is made of artificial inorganic fibers and is provided with a plurality of fine pores, and sound waves can be buffered and absorbed.
Specifically, spring guide posts 24 are fixedly mounted on the left inner side wall and the right inner side wall of the sound insulation box body, the side wall of the rubber sheet and the inner portion of the first spring.
Specifically, a handle 25 is mounted on the upper surface of the heat dissipation case.
Specifically, the heat dissipation trachea is the snakelike structure and arranges, the air pump is small-size silence air pump.
the working principle is as follows: the utility model provides a silent generator, which comprises a generator body, a moving mechanism and a sound insulation mechanism, wherein the main structure of the utility model is formed by firstly injecting the raw material of the generator into the generator body, then fixing a sound insulation upper cover on a sound insulation box body through bolts, screwing down the sealing cover to inject cooling water into a heat dissipation shell along a water inlet pipe, then screwing up the sealing cover, holding an arc handle inclined bottom plate to make a walking wheel contact with the ground and a supporting cushion block not contact with the ground, moving the utility model to a designated position, controlling the generator body to be in a working state through an external control button arranged on the sound insulation box body, absorbing the noise generated by the generator body during generating electricity through the sound insulation box body and the sound absorption cotton in the sound insulation upper cover, wherein the sound absorption cotton is artificial inorganic fiber and has a plurality of tiny pores, can buffer and absorb the sound wave, and reduce the influence of the noise of the generator body on, simultaneously through the rubber column, the sheet rubber, the water pocket, metal conducting strip and first spring, both can change the vibrations that the generator body produced into the rubber column, the internal energy of sheet rubber and first spring, reduce vibration noise, can transmit the heat energy that the motor produced to the water pocket along the metal conducting strip again, certain radiating effect has, be in operating condition for external control button control air pump on further heat dissipation processing accessible heat dissipation casing, the left side air pump is with the internal gas suction of sound-proof box in the heat dissipation trachea, and carry out the heat transfer with the cooling water in the heat dissipation casing, the air after the heat dissipation is in getting back to the sound-proof box along the discharge of heat dissipation trachea under the effect of right side air pump, thereby realize the heat dissipation and handle, open the control valve during periodic change cooling water, the cooling water can along the outlet pipe discharge.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a silence generator, includes moving mechanism, sound insulation mechanism and generator body (1), its characterized in that: the generator comprises a moving mechanism, a sound insulation mechanism is installed on the moving mechanism, a generator body (1) is installed inside the sound insulation mechanism through bolts, the moving mechanism comprises a bottom plate (2), a back plate (3) is fixedly connected to the right end of the upper surface of the bottom plate (2), traveling wheels (4) are symmetrically installed on the right portion of the lower surface of the bottom plate (2), one ends of supporting legs (5) are symmetrically installed on the left portion of the lower surface of the bottom plate (2), and supporting cushion blocks (6) are fixedly connected to the other ends of the supporting legs (5);
The sound insulation mechanism comprises a sound insulation box body (7), the lower surface of the sound insulation box body (7) is fixedly connected with the upper surface of the bottom plate (2), a sound insulation upper cover (8) is installed on the sound insulation box body (7) through bolts, one end of a rubber column (9) is symmetrically installed on the left inner side wall and the right inner side wall of the sound insulation box body (7), one end of a rubber sheet (10) is fixedly connected with the other end of the rubber sheet (9), one end of a water bag (11) is bonded to the other end of the rubber sheet (10), a metal heat conduction sheet (12) is bonded to the other end of the water bag (11), the metal heat conduction sheet (12) on the left side and the right side are both contacted with the generator body (1), a first spring (13) is installed between the left inner side wall and the right inner side wall of the sound insulation box body (7) and the rubber sheet (10), and a heat dissipation shell (14) is integrally formed on the upper surface, the upper surface left end intercommunication of heat dissipation casing (14) has inlet tube (15), the left surface bottom intercommunication of heat dissipation casing (14) has outlet pipe (16), inlet tube (15) with install sealed lid (17) and control valve (18) on outlet pipe (16) respectively, heat dissipation trachea (19) are installed to the inner chamber of heat dissipation casing (14), the intake pipe and the outlet duct of heat dissipation trachea (19) all run through syllable-dividing upper cover (8) extend into in sound insulation box (7), air pump (20) are installed through the mount symmetry to the lower surface of syllable-dividing upper cover (8), the left side the end of giving vent to anger of air pump (20) with the intake pipe of heat dissipation trachea (19) is linked together, the right side the inlet end of air pump (20) with the outlet duct of heat dissipation trachea (19) is linked together.
2. A silent generator as claimed in claim 1, wherein: the equal fixedly connected with arc handle (21) in both ends around the upper surface of backplate (3), install the rubber sleeve on arc handle (21).
3. A silent generator as claimed in claim 1, wherein: and sound insulation boards (22) are arranged in the inner cavities of the sound insulation box body (7) and the sound insulation upper cover (8).
4. A silent generator as claimed in claim 1, wherein: the inner cavities of the sound insulation box body (7) and the sound insulation upper cover (8) are provided with sound absorption cotton (23).
5. A silent generator as claimed in claim 1, wherein: the left inner side wall and the right inner side wall of the sound insulation box body (7) and the side wall of the rubber sheet (10) are located in the first spring, and spring guide columns (24) are fixedly mounted in the first spring.
6. a silent generator as claimed in claim 1, wherein: and a handle (25) is arranged on the upper surface of the heat dissipation shell (14).
7. A silent generator as claimed in claim 1, wherein: the heat dissipation air pipes (19) are arranged in a snake-shaped structure, and the air pump (20) is a small-sized mute air pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920728104.2U CN209748339U (en) | 2019-05-21 | 2019-05-21 | Mute generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920728104.2U CN209748339U (en) | 2019-05-21 | 2019-05-21 | Mute generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209748339U true CN209748339U (en) | 2019-12-06 |
Family
ID=68722983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920728104.2U Expired - Fee Related CN209748339U (en) | 2019-05-21 | 2019-05-21 | Mute generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209748339U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111637071A (en) * | 2020-06-10 | 2020-09-08 | 安徽庐风风机有限公司 | Numerical control fan easy to assemble |
-
2019
- 2019-05-21 CN CN201920728104.2U patent/CN209748339U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111637071A (en) * | 2020-06-10 | 2020-09-08 | 安徽庐风风机有限公司 | Numerical control fan easy to assemble |
| CN111637071B (en) * | 2020-06-10 | 2022-01-21 | 安徽庐风风机有限公司 | Numerical control fan easy to assemble |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209748339U (en) | Mute generator | |
| CN110552784A (en) | Small-size super-silent diesel generating set | |
| CN204436529U (en) | A kind of diesel generating set smoke-ejecting pipe silencing apparatus | |
| CN211174337U (en) | Portable silence generator unit shell | |
| CN218760132U (en) | Noise reduction mechanism of generator set | |
| CN207905929U (en) | A kind of mute type diesel generating set | |
| CN212486289U (en) | Gasoline generating set | |
| CN212063745U (en) | Damping and noise reduction base of mute variable frequency generator | |
| CN215419911U (en) | Heat radiation structure of generator set | |
| CN116291858A (en) | Variable frequency generator set | |
| CN212183276U (en) | Noise reduction device for generator set | |
| CN209781035U (en) | Mobile generator set stable in operation | |
| CN211370547U (en) | Mounting structure of water-cooling sound box unit | |
| CN211715215U (en) | Silencer of generator set | |
| CN219299407U (en) | Diesel generating set | |
| CN215120414U (en) | Generator with noise elimination structure | |
| CN214533212U (en) | Noise reduction type engine shell | |
| CN216477577U (en) | Engine noise reduction device | |
| CN215580709U (en) | Motor with multiple sound insulation layers for turbine fan | |
| CN211692636U (en) | Sound-insulation heat-dissipation generator set | |
| CN210246507U (en) | Generator with silencer | |
| CN214506779U (en) | Generator with low working noise | |
| CN220285866U (en) | Frequency division rate noise reduction generator set | |
| CN210985801U (en) | Environment-friendly rare earth permanent magnet energy-saving generator | |
| CN220629058U (en) | Automobile generator with noise reduction function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191206 |