CN110552784A - Small-size super-silent diesel generating set - Google Patents
Small-size super-silent diesel generating set Download PDFInfo
- Publication number
- CN110552784A CN110552784A CN201910819149.5A CN201910819149A CN110552784A CN 110552784 A CN110552784 A CN 110552784A CN 201910819149 A CN201910819149 A CN 201910819149A CN 110552784 A CN110552784 A CN 110552784A
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- Prior art keywords
- generator
- diesel
- water
- diesel engine
- small
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/08—Other arrangements or adaptations of exhaust conduits
- F01N13/10—Other arrangements or adaptations of exhaust conduits of exhaust manifolds
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/04—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust using liquids
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P3/00—Liquid cooling
- F01P3/20—Cooling circuits not specific to a single part of engine or machine
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B63/00—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices
- F02B63/04—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices for electric generators
- F02B63/044—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices for electric generators the engine-generator unit being placed on a frame or in an housing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B77/00—Component parts, details or accessories, not otherwise provided for
- F02B77/11—Thermal or acoustic insulation
- F02B77/13—Acoustic insulation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/08—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with rubber springs ; with springs made of rubber and metal
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/24—Casings; Enclosures; Supports specially adapted for suppression or reduction of noise or vibrations
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Power Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Exhaust Silencers (AREA)
Abstract
The invention relates to the technical field of diesel generating sets, and discloses a small-size ultra-silent diesel generating set which comprises a main machine part and a radiator separated from the main machine part, wherein the main machine part comprises a main machine chassis, a silent cover arranged on the main machine chassis, a diesel engine, a generator and a silencer, the diesel engine, the generator and the silencer are arranged on the main machine chassis and are sequentially connected, the diesel engine, the generator and the silencer are arranged in the silent cover to realize the isolation from the external environment, and a water tank of the radiator is connected with a water inlet and a water outlet of cooling water of the diesel engine of the main machine part through lengthened pipelines to form a cooling circulation loop. The invention realizes low noise of the diesel generator set and reduces the volume of the set, thereby improving the mobility and the installation adaptability of the set.
Description
Technical Field
The invention relates to the technical field of diesel generating sets, in particular to a small-size ultra-silent diesel generating set.
Background
The diesel generator set is a power generation device using diesel as main fuel, and is a mechanical device which uses a diesel engine as a motive power to drive a generator to generate power and convert kinetic energy into electric energy and heat energy.
Because the diesel generating set has the defect of difficult heat dissipation or large noise when running in a high-temperature environment, in order to effectively solve the problems of heat dissipation and noise, the diesel generating set in the prior art is provided with a radiator and a mute box body, an engine, a generator, the radiator, a control system and the like of the diesel generating set are all arranged in the mute box body, and a noise reduction air inlet and outlet channel and the like are arranged in the mute box body so as to reduce the noise generated when the diesel generating set works.
In order to increase the noise reduction effect, sound absorption cotton with a certain thickness can be pasted in the mute cover, however, the volume and the weight of the whole diesel generator set are increased. Meanwhile, an engine, a generator, a radiator, a control system and the like of the diesel generating set are all arranged in the mute cover, so that the diesel generating set is poor in matching installation performance and poor in mobility.
Therefore, how to design an ultra-silent diesel generator set which can realize low noise, small volume and good mobility has become an important subject in the current industry.
Disclosure of Invention
In order to solve the problems, the invention provides a small-size ultra-silent diesel generator set, which aims to reduce the size of the set while realizing low noise of the diesel generator set, thereby improving the mobility of the set and the installation adaptability. The specific technical scheme is as follows:
the utility model provides a little volume hypersonic type diesel generating set, including the host computer part and with the radiator that the host computer part separately set up, the host computer part includes the unit chassis, sets up silence cover on the unit chassis, install diesel engine, generator and the silencer that connects gradually on the unit chassis, just diesel engine, generator and silencer are arranged in the silence cover in order to realize with the isolation of external environment, the water tank of radiator is connected and forms the cooling cycle return circuit through elongated pipeline and the diesel engine cooling water's of host computer part water inlet, delivery port.
Among the above-mentioned technical scheme, to the source that diesel generating set noise produced, utilize the silence cover to carry out the noise control subregion, diesel engine, generator and silencer setting are in the silence cover, the radiator separately sets up and is independent of outside the silence cover, utilize elongated pipeline to be connected radiator and host computer part, this kind of diesel generating set of components and parts, because shifting out of radiator, compare traditional low noise diesel generating set, under the condition that reaches the same noise reduction effect, the volume and the weight of the host computer part of unit have been reduced by a wide margin, thereby improve the mobility of unit and the adaptability of installation.
In addition, because the radiator is arranged outside the mute cover, the radiator can be directly cooled by air with ambient temperature, compared with the prior art that the radiator is arranged in the mute cover and is cooled by heated air, the radiating efficiency is improved, and the environmental adaptability of the unit work is also improved.
Preferably, rubber shock-absorbing pads are respectively arranged at the joint of the diesel engine and the unit chassis and the joint of the generator and the unit chassis.
The rubber shock absorption pads are arranged among the diesel engine, the generator and the unit chassis, so that the abrasion of the generator and the diesel engine caused by vibration can be effectively reduced, and the service life of the generator and the diesel engine is prolonged.
Preferably, the side surface of the unit chassis is provided with a generator air inlet and a generator air outlet for cooling the generator.
Preferably, the generator is provided with a generator air inlet shield and a generator air outlet shield, the generator air inlet shield is connected with the generator air inlet, and the generator air outlet shield is connected with the generator air outlet.
The side face of the unit chassis is provided with the generator air inlet and the generator air outlet, so that the generator can be cooled independently.
Preferably, the sound-deadening cover is a sound-deadening cover made of a plate material containing a sound-absorbing material, and a sound-deadening layer is provided on an inner wall of the sound-deadening cover.
Preferably, the muffler is a water-cooled muffler.
The water-cooled muffler is a liquid muffler which muffles sound by utilizing the principle that sound is transmitted in liquid (water), has good muffling effect and can filter harmful gas discharged by a unit.
As a further improvement of the invention, the diesel engine is provided with a water-cooled exhaust manifold, a cooling water channel of the water-cooled exhaust manifold is connected in series in the cooling circulation loop, and a smoke exhaust pipe of the water-cooled exhaust manifold is connected with the water-cooled muffler.
The exhaust manifold of the diesel engine adopts the water-cooling exhaust manifold, so that the temperature in the diesel engine compartment can be effectively prevented from being continuously increased, and the temperature in the engine compartment is controlled in an expected range, thereby ensuring the good running of the engine.
In the invention, the side surface of the unit chassis is provided with an exhaust port for connecting the water-cooled muffler.
The invention has the beneficial effects that:
firstly, according to the small-volume ultra-silent diesel generator set, aiming at the source of noise generation of the diesel generator set, the silent cover is used for conducting noise control partition, the diesel engine, the generator and the silencer are arranged in the silent cover, the radiator is separately arranged and independent of the silent cover, and the radiator is connected with the main machine part through the lengthened pipeline.
Secondly, according to the small-volume ultra-silent diesel generator set, the radiator is arranged outside the silent cover, so that the radiator can be directly cooled by air with ambient temperature.
Thirdly, according to the small-volume ultra-silent diesel generator set, the rubber shock absorption pads are arranged among the diesel engine, the generator and the generator set chassis, so that the abrasion of the generator and the diesel engine caused by vibration can be effectively reduced, and the service life of the generator and the diesel engine is prolonged.
Fourthly, according to the small-size ultra-silent diesel generator set, the generator air inlet and the generator air outlet are designed on the side surface of the base plate of the set, so that the generator can be cooled independently.
Fourthly, the small-volume ultra-silent diesel generator set adopts the water-cooled silencer, utilizes the principle that sound is transmitted in liquid (water) to carry out silencing, has good silencing effect, and can filter harmful gas discharged by the set.
Fifthly, according to the small-volume hypersonic diesel generator set, the exhaust manifold of the diesel engine adopts the water-cooling exhaust manifold, so that the temperature in the diesel engine compartment can be effectively prevented from being continuously increased, and the temperature in the engine compartment is controlled within an expected range, thereby ensuring the good running of the engine.
Drawings
FIG. 1 is a schematic view of the appearance structure of a small-volume hypersonic diesel generator set of the present invention;
Fig. 2 is a schematic view of the internal structure of fig. 1 (with the mute cover removed).
In the figure: 1. diesel engine, 2, generator, 3, silencer, 4, unit chassis, 5, exhaust manifold, 6, water inlet, 7, water outlet, 8, exhaust port, 9, silence cover, 10, radiator, 11, generator air outlet, 12, generator air inlet, 13, diesel engine water inlet hose, 14, generator air inlet guard, 15, generator air outlet guard, 16, generator housing.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
Fig. 1 to 2 show an embodiment of a small-sized hypersonic diesel generator set according to the present invention, which includes a main unit and a radiator 10 separately disposed from the main unit, wherein the main unit includes a unit chassis 4, a silencing cover 9 disposed on the unit chassis 4, a diesel engine 1, a generator 2 and a silencer 3 mounted on the unit chassis 4 and sequentially connected to each other, the diesel engine 1, the generator 2 and the silencer 3 are disposed in the silencing cover 9 to achieve isolation from the external environment, and a water tank of the radiator 10 is connected to a water inlet 6 and a water outlet 7 of cooling water of the diesel engine of the main unit through lengthened pipelines to form a cooling circulation loop.
In the technical scheme, aiming at the source of noise generation of the diesel generator set, the mute cover 9 is utilized to carry out noise control partition, the diesel engine 1, the generator 2 and the silencer 3 are arranged in the mute cover 9, the radiator 10 is separately arranged and independent of the outside of the mute cover 9, and the radiator 10 is connected with a host part by utilizing a lengthened pipeline.
In addition, because the radiator 10 is arranged outside the mute cover 9, the radiator 10 can be directly cooled by air with ambient temperature, compared with the prior art that the radiator is arranged in the mute cover and is cooled by heated air, the radiating efficiency is improved, and the environmental adaptability of the unit work is also improved.
Preferably, rubber shock absorption pads are respectively arranged at the joint of the diesel engine 1 and the unit chassis 4 and the joint of the generator 2 and the unit chassis 4.
The rubber shock absorption pads are arranged between the diesel engine 1, the generator 2 and the unit chassis 4, so that the abrasion of the generator 2 and the diesel engine 1 caused by vibration can be effectively reduced, and the service life of the generator is prolonged.
Preferably, the side of the unit chassis 4 is provided with a generator air inlet 12 and a generator air outlet 11 for cooling the generator 2.
Preferably, the generator 2 is provided with a generator air inlet shield 14 and a generator air outlet shield 15, the generator air inlet shield 14 is connected with the generator air inlet 12, and the generator air outlet shield 15 is connected with the generator air outlet 11.
The generator air inlet 12 and the generator air outlet 11 are designed on the side surface of the unit chassis 4, so that the generator 2 can be cooled independently.
Preferably, the mute cover 9 is a mute cover made of a plate material containing a sound absorbing material, and a sound insulating layer is provided on an inner wall of the mute cover 9.
preferably, the muffler 3 is a water-cooled muffler.
The water-cooled muffler is a liquid muffler which muffles sound by utilizing the principle that sound is transmitted in liquid (water), has good muffling effect and can filter harmful gas discharged by a unit.
As a further improvement of the present embodiment, a water-cooled exhaust manifold 5 is provided on the diesel engine 1, and a cooling water channel of the water-cooled exhaust manifold 5 is connected in series in the cooling circulation loop, and a smoke exhaust pipe of the water-cooled exhaust manifold 5 is connected to the water-cooled muffler.
The exhaust manifold 5 of the diesel engine 1 adopts a water-cooled exhaust manifold, so that the temperature in the diesel engine compartment can be effectively prevented from continuously rising, and the temperature in the engine compartment is controlled in an expected range, thereby ensuring the good running of the engine.
In this embodiment, the side of the unit chassis 4 is provided with an exhaust port 8 for connecting the water-cooled muffler 3.
The working principle of the small-volume hypersonic diesel generator set is further introduced as follows:
As shown in fig. 1 and 2, in order to satisfy the mute and heat dissipation performance of the diesel generator set at the same time, the present embodiment designs the structure of each main component of the diesel generator set respectively as follows:
The structural design of the diesel engine 1: the cooling of the diesel engine 1 mainly includes cooling of water circulation heat dissipation in the cylinder block and cooling of the exhaust system of the diesel engine 1. The radiator 10 is provided outside the silent cover 9 and connected to the coolant jacket of the engine 1 through a circulating cooling circuit. The coolant circulates between the coolant jacket of the cylinders of the engine 1 and the radiator 10 by the action of a hydraulic pump driven by the engine, and the heat generated when the diesel engine 1 operates is discharged to the air through the coolant and the radiator 10, thereby cooling the diesel engine 1. The cooling of the diesel engine 1 smoke exhaust system uses the water-cooled exhaust manifold 5 and the water-cooled muffler 3, the smoke exhausted by the engine 1 is cooled and muffled through circulating water, the sound is muffled by using the principle that sound is transmitted in liquid, the muffling effect is good, and harmful gas exhausted by a filter unit can be filtered.
Structural design of the generator 2: the cooling of the generator 2 is provided with an independent air inlet and exhaust system, one side surface of the unit chassis 4 is provided with a generator air inlet 12 and a generator air outlet 11, and the generator air inlet shield 14 and the generator air exhaust shield 15 are respectively connected with an air inlet part and an air outlet part of the generator, so that the cooling of the generator 2 is independent. When the unit is in use, cooling air enters from the generator air inlet 12 of the unit chassis 4 and sequentially passes through the generator air inlet shield 14, the generator housing 16, the generator air outlet shield 15 and the generator air outlet 11 of the unit chassis 4. Therefore, the integral cooling effect of the unit is effectively improved, and the working reliability of the diesel generating set is ensured.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. The utility model provides a little volume hypersonic type diesel generating set, its characterized in that, including the host computer part and with the radiator that the host computer part separately set up, the host computer part includes the unit chassis, sets up silence cover on the unit chassis, install diesel engine, generator and the silencer that connects gradually on the unit chassis, just diesel engine, generator and silencer are arranged in the silence cover in order to realize with the isolation of external environment, the water tank of radiator is connected and forms the cooling cycle return circuit through elongated pipeline and the diesel engine cooling water inlet of the diesel engine cooling water of host computer part, delivery port.
2. The small-volume hypersonic diesel generator set according to claim 1, wherein rubber shock-absorbing pads are respectively arranged at the joint of the diesel engine and the set chassis and at the joint of the generator and the set chassis.
3. the small-volume hypersonic diesel generator set according to claim 1, wherein the side of the set chassis is provided with a generator air inlet and a generator air outlet for cooling the generator.
4. The small-volume hypersonic diesel generator set according to claim 3, wherein the generator is provided with a generator air inlet shield and a generator air outlet shield, the generator air inlet shield is connected with the generator air inlet, and the generator air outlet shield is connected with the generator air outlet.
5. The small-volume ultra-silent diesel generator set according to claim 1, wherein said silent cover is a silent cover made of a plate material containing a sound-absorbing material, and an inner wall of said silent cover is provided with a sound-insulating layer.
6. The small-volume hypersonic diesel generator set according to claim 1, wherein said muffler is a water-cooled muffler.
7. The small-volume hypersonic diesel generator set according to claim 6, wherein a water-cooled exhaust manifold is arranged on the diesel engine, a cooling water channel of the water-cooled exhaust manifold is connected in series in the cooling circulation loop, and a smoke exhaust pipe of the water-cooled exhaust manifold is connected with the water-cooled muffler.
8. The small-volume hypersonic diesel generator set according to claim 7, characterized in that the side of the generator base plate is provided with an exhaust port for connecting the water-cooled muffler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910819149.5A CN110552784A (en) | 2019-08-31 | 2019-08-31 | Small-size super-silent diesel generating set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910819149.5A CN110552784A (en) | 2019-08-31 | 2019-08-31 | Small-size super-silent diesel generating set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110552784A true CN110552784A (en) | 2019-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910819149.5A Pending CN110552784A (en) | 2019-08-31 | 2019-08-31 | Small-size super-silent diesel generating set |
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| Country | Link |
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| CN (1) | CN110552784A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110953065A (en) * | 2019-12-25 | 2020-04-03 | 沈阳天眼智云信息科技有限公司 | Generating set with unit volume and ultrahigh power |
| CN111042915A (en) * | 2019-12-31 | 2020-04-21 | 重庆鼎工机电有限公司 | Cooling water circulation system of mute box unit |
| WO2021184631A1 (en) * | 2020-03-17 | 2021-09-23 | 中车大连机车研究所有限公司 | Internal combustion power centralized system for shunting locomotive |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106089417A (en) * | 2016-08-08 | 2016-11-09 | 无锡法尔胜悦能动力有限公司 | A kind of small size ultra-quiet type diesel generating set |
-
2019
- 2019-08-31 CN CN201910819149.5A patent/CN110552784A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106089417A (en) * | 2016-08-08 | 2016-11-09 | 无锡法尔胜悦能动力有限公司 | A kind of small size ultra-quiet type diesel generating set |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110953065A (en) * | 2019-12-25 | 2020-04-03 | 沈阳天眼智云信息科技有限公司 | Generating set with unit volume and ultrahigh power |
| CN110953065B (en) * | 2019-12-25 | 2024-05-10 | 沈阳天眼智云信息科技有限公司 | Unit volume and super-power generator set |
| CN111042915A (en) * | 2019-12-31 | 2020-04-21 | 重庆鼎工机电有限公司 | Cooling water circulation system of mute box unit |
| CN111042915B (en) * | 2019-12-31 | 2024-01-26 | 重庆鼎工机电有限公司 | Cooling water circulation system of mute box unit |
| WO2021184631A1 (en) * | 2020-03-17 | 2021-09-23 | 中车大连机车研究所有限公司 | Internal combustion power centralized system for shunting locomotive |
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Application publication date: 20191210 |