CN108915861A - A kind of gas turbine - Google Patents
A kind of gas turbine Download PDFInfo
- Publication number
- CN108915861A CN108915861A CN201810778620.6A CN201810778620A CN108915861A CN 108915861 A CN108915861 A CN 108915861A CN 201810778620 A CN201810778620 A CN 201810778620A CN 108915861 A CN108915861 A CN 108915861A
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- CN
- China
- Prior art keywords
- chamber
- communicated
- end wall
- gas
- valve
- 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.)
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Links
Classifications
-
- 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
- F02B43/00—Engines characterised by operating on gaseous fuels; Plants including such engines
- F02B43/10—Engines or plants characterised by use of other specific gases, e.g. acetylene, oxyhydrogen
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
- F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
- F02M21/0218—Details on the gaseous fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/10—Air intakes; Induction systems
- F02M35/10006—Air intakes; Induction systems characterised by the position of elements of the air intake system in direction of the air intake flow, i.e. between ambient air inlet and supply to the combustion chamber
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
Abstract
The invention discloses a kind of gas turbines,Including the cabinet 100 being fixedly arranged on ground,Mixed chamber is installed in the cabinet 100,It is provided with and communicated with and gas inlet channel in the mixed chamber upper end wall,Air is provided with and communicated with into valve air inlet channel in described,Air filter plug is provided with and communicated in described,Combustion gas trap valve is provided with and communicated in the gas inlet channel,Combustion gas positioned at exterior space is provided with and communicated in the gas inlet channel into valve,Spiral air inlet pipe is provided with and communicated in the mixed chamber lower end wall,Mixed gas is provided with and communicated with into valve in the air inlet pipe lower end wall,The mixed gas is into being provided with and communicated with mixed gas passage in valve lower end wall,Symmetrical compression chamber is provided with and communicated in the mixed gas passage lower end wall,Present device structure is simple,It is easy to use,This equipment uses Digital Control,Light the air after compressing and the mixed gas of combustion gas,Throw crank link rotatable provides power,And use flexible formula structure control reaction process,Effectively increase the precision and reliability of equipment.
Description
Technical field
The present invention relates to gas burning fields, and in particular to a kind of gas turbine.
Background technique
Gas turbine technology often uses natural gas or other fuel gas to be mixed and burned, and generates high heat and pushes correlation
Structure motion, realize turbine rotation acting, often there is a problem of in this process it is a large amount of, such as：In combustion gas and air
In mixed process more uneven and process control is single, this problem strong influence service efficiency of gas turbine, this sets
Effect is had to solve this problem in that.
Summary of the invention
The purpose of the present invention is to provide a kind of gas turbines, can overcome the drawbacks described above of the prior art.
According to the present invention, a kind of gas turbine of present device, including the cabinet 100 being fixedly arranged on ground, the machine
Mixed chamber is installed in case 100, be provided with and communicated in the mixed chamber upper end wall with gas inlet channel, it is described in be provided with and communicated with sky
Gas into valve air inlet channel, it is described in be provided with and communicated with air filter plug, be provided with and communicated with combustion gas in the gas inlet channel
Trap valve, combustion gas positioned at exterior space is provided with and communicated in the gas inlet channel into valve, connection in the mixed chamber lower end wall
Be provided with spiral air inlet pipe, mixed gas be provided with and communicated in the air inlet pipe lower end wall into valve, the mixed gas into
It is provided with and communicated with mixed gas passage in valve lower end wall, is provided with and communicated with symmetrical compression in the mixed gas passage lower end wall
Chamber is provided with and communicated with compression control chamber between the compression chamber, is embedded with motor in the compression control cavity rear end wall, motor is defeated
Shaft front end is installed with eccentric wheel, and translation wheel is embedded with outside the eccentric wheel, and translation wheel left and right ends are symmetrically installed with
Connecting rod, the connecting rod end face far from the eccentric wheel are installed with compression piston, and the compression piston and the compression chamber slide
It is cooperatively connected, the compression chamber end wall far from the compression control chamber is installed with solid wheel, and the external concentric of wheel admittedly is provided with
Tooth punching, the tooth punching exterior annular are provided with the driving tooth for the connection that is rotatably assorted with the compression chamber end wall, the driving tooth with
The tooth punching engagement, the connecting rods of the interior several annular settings rotated of the tooth punching, close to the solid wheel of the compression control chamber
The petal for being provided with annular setting of end face rotation opens page, and the petal opens page and link rotatable is cooperatively connected, and the petal is opened
Page offsets each other, is provided with and communicated with compressed gas channel, the pressure in the compression chamber end wall far from the compression control chamber
It is provided with and communicated with drive cavity in contracting chamber lower end wall, is installed with motor in the drive cavity end wall far from the compression control chamber,
The output shaft of the motor and the driving tooth of downside are fixed, and the driving tooth is engaged with the solid wheel, the compression control
Expansion chamber that is symmetrical and being located in the cabinet 100, connection setting in the expansion chamber lower end wall are provided with below chamber
Have, the expansion chamber is connected to the compressed gas channel, is provided with and communicated in the expansion chamber upper end wall and exterior space phase
Logical left bank air valve, the expansion chamber upper end wall are installed with spark plug, and that slides in the expansion chamber is provided with piston, the work
What is rotated in plug is provided with crank connecting link, and what is rotated between the left hand end wall is provided with output shaft, the output shaft rotation
Through described and extend exterior space to the right, the output shaft is rotatably assorted with the crank connecting link and connect.
Further technical solution, the gas inlet channel end are divided into multiple pipelines and are connected to the mixed chamber.
Further technical solution, the petal are opened page and are arranged using petal type annular spread.
Further technical solution, the air inlet pipe are the communication type structure that the screw type and radius of spin is gradually reduced.
The beneficial effects of the invention are as follows：
Due in the initial state, the motor is in stop working state, the air into valve air inlet channel, combustion gas into
Valve and mixed gas are in close state into valve, so that above structure is made to be located at initial position in the initial state, it can be rear
It is adjusted in continuous work, effectively improves the working regularity of equipment.
When equipment operation, the air is opened into valve air inlet channel, combustion gas into valve and mixed gas into valve, air
Enter equipment from described, by entering the mixed chamber after the air filter plug, combustion gas enters pipe by the gas inlet channel
Road, by entering the mixed chamber in end multiple spot after the combustion gas trap valve, in the mixed chamber, air and combustion gas along it is described into
Inner surface of trachea is mobile to center, to make air and combustion gas mixing, and makes mixed gas primary compression, and compressed gaseous mixture is logical
It crosses the mixed chamber lower end to enter in the mixed gas passage, and enters in the compression chamber, open the electricity of the eccentric wheel rear end
Machine, the eccentric wheel rotation drives the compression piston to horizontally slip in the compression chamber, when the compression piston is close to institute
When stating tooth punching side, motor described in the side is driven, so that the driving tooth is driven the tooth punching rotation, makes to spend by the opening connecting rod
Valve opens page rotation makes the gaseous mixture compressed enter the compressed gas channel to open channel, is then turned off the motor of the side,
Make gaseous mixture continue to be included in the side compression chamber, open the other side motor make compressed gas by the compressed gas channel enter it is swollen
Swollen chamber, opens the spark plug in the expansion chamber, and burning gases make gas expansion in the expansion chamber push the piston
It moves downward, rotates the output shaft by inter-agency movement transmitting, when piston motion to the minimum point described in the side, open
The left bank air valve, other side gaseous mixture enter the expansion chamber, and gas expansion pushes the work under spark plug effect
Plug, which moves downward, to be driven the output shaft rotation and makes piston upwards described in the other side, and the gas in the expansion chamber is arranged
Except the left bank air valve is closed by the left bank air valve discharger, the right exhaust valve, the above-mentioned air intake-exhaust of repetition are opened
Process effectively increases the transmission stability of equipment so that the output shaft be made constantly to rotate.
Present device structure is simple, easy to use, this equipment use Digital Control, light compression after air with
The mixed gas of combustion gas, throw crank link rotatable provides power, and uses flexible formula structure control reaction process, effectively improves
The precision and reliability of equipment.
The above, the specific embodiment only invented, but invent protection scope be not limited thereto, it is any without
The change or replacement that creative work is expected are crossed, should all be covered within the protection scope of invention.Therefore, the protection scope of invention
It should be determined by the scope of protection defined in the claims.
Detailed description of the invention
It, below will be to embodiment or existing in order to illustrate more clearly of inventive embodiments or technical solution in the prior art
Attached drawing needed in technical description is briefly described, it should be apparent that, the accompanying drawings in the following description is only to invent
Some embodiments for those of ordinary skill in the art without creative efforts, can also basis
These attached drawings obtain other attached drawings.
Fig. 1 is a kind of overall structure diagram of gas turbine of the invention；
Fig. 2 is the schematic diagram in the direction A-A in Fig. 1；
Fig. 3 is the schematic diagram in the direction B-B in Fig. 1.
Specific embodiment
All features disclosed in this specification or disclosed all methods or in the process the step of, in addition to mutually exclusive
Feature and/or step other than, can combine in any way.
This specification（Including any accessory claim, abstract and attached drawing）Disclosed in any feature, except non-specifically chatting
It states, can be replaced by other alternative features that are equivalent or have similar purpose.That is, unless specifically stated, each feature is only
It is an example in a series of equivalent or similar characteristics.
As shown in Figure 1-3, a kind of gas turbine of the invention, including the cabinet 100 being fixedly arranged on ground, the cabinet
It is installed with mixed chamber 119 in 100, is provided with and communicated with 115 and gas inlet channel 116 in mixed 119 upper end wall of chamber, described 115
Air is inside provided with and communicated with into being provided with and communicated with air filter plug 113 in valve air inlet channel 115, described 115, the combustion gas into
It is provided with and communicated with combustion gas trap valve 118 in gas channel 116, is provided with and communicated in the gas inlet channel 116 positioned at exterior space
Combustion gas into valve 117, spiral air inlet pipe 126 is provided with and communicated in mixed 119 lower end wall of chamber, under the air inlet pipe 126
Mixed gas is provided with and communicated in end wall into valve 130, the mixed gas is logical into gaseous mixture is provided with and communicated in 130 lower end wall of valve
Road 112, is provided with and communicated with symmetrical compression chamber 109 in 112 lower end wall of mixed gas passage, the compression chamber 109 it
Between be provided with and communicated with compression control chamber 120, be embedded with motor, motor output shaft front end in 120 aft bulkhead of compression control chamber
It is installed with eccentric wheel 125, translation wheel 124 is embedded with outside the eccentric wheel 125, it is symmetrically solid that 124 left and right ends are taken turns in the translation
Equipped with connecting rod 131,131 end face of the connecting rod far from the eccentric wheel 125 is installed with compression piston 111, the compression piston
111 are slidably connected with the compression chamber 109, and 109 end wall of the compression chamber far from the compression control chamber 120 is installed with
Admittedly taking turns 129,129 external concentrics of taking turns admittedly are provided with tooth punching 110, and 110 exterior annular of tooth punching is provided with and the compression
109 end wall of chamber is rotatably assorted the driving tooth 106 of connection, and the driving tooth 106 is engaged with the tooth punching 110, in the tooth punching 110
Rotation it is several annular setting connecting rods, close to the compression control chamber 120 it is described take turns admittedly 129 end faces rotation be provided with ring
The petal of shape setting opens page 127, and the petal opens page 127 and link rotatable is cooperatively connected, and the petal opens the phase each other of page 127
It supports, is provided with and communicated with compressed gas channel 107, the pressure in 109 end wall of the compression chamber far from the compression control chamber 120
It is provided with and communicated with drive cavity 105 in 109 lower end wall of contracting chamber, in 105 end wall of the drive cavity far from the compression control chamber 120
It is installed with motor 108, the output shaft of the motor 108 and the driving tooth 106 of downside are fixed, the driving tooth 106 and institute
Solid 129 engagement of wheel is stated, is provided with expansion that is symmetrical and being located in the cabinet 100 below the compression control chamber 120
Chamber 104 is provided with and communicated with power output chamber 101, the expansion chamber 104 and the compressed gas in 104 lower end wall of expansion chamber
Body channel 107 is connected to, and is provided with and communicated with the left bank air valve 133 communicated with exterior space in 104 upper end wall of expansion chamber, described
104 upper end wall of expansion chamber is installed with spark plug, and that slides in the expansion chamber 104 is provided with piston 103, in the piston 103
Rotation is provided with crank connecting link 122, and what is rotated between 101 left hand end wall of power output chamber is provided with output shaft 102, institute
State running through the power output chamber 101 and extending exterior space, the output shaft 102 and institute to the right for the rotation of output shaft 102
Crank connecting link 122 is stated to be rotatably assorted connection.
Valuably, wherein 116 end of gas inlet channel is divided into multiple pipelines and is connected to the mixed chamber 119.
Valuably, wherein the petal is opened page 127 and is arranged using petal type annular spread.
Valuably, wherein the air inlet pipe 126 is the communication type structure that the screw type and radius of spin is gradually reduced.
In the initial state, the motor 108 is in stop working state to present device, the air into valve air into
Gas channel 115, combustion gas are in close state into valve 117 and mixed gas into valve 130, to make above structure in the initial state
It positioned at initial position, can be adjusted in follow-up work, effectively improve the working regularity of equipment.
When equipment operation, open the air into valve air inlet channel 115, combustion gas into valve 117 and mixed gas into
Valve 130, air enter equipment from described 115, and by entering the mixed chamber 119 after the air filter plug 113, combustion gas passes through described
Gas inlet channel 116 enters pipeline, by entering the mixed chamber 119 in end multiple spot after the combustion gas trap valve 118, described
In mixed chamber 119, air and combustion gas are moved along 126 inner wall of air inlet pipe to center, to make air and combustion gas mixing, and are made
Mixed gas primary compression, compressed gaseous mixture are entered in the mixed gas passage 112 by mixed 119 lower end of chamber, and
Into in the compression chamber 109, the motor of 125 rear end of eccentric wheel is opened, the rotation of eccentric wheel 125 drives the compression
Piston 111 horizontally slips in the compression chamber 109, and when the compression piston 111 is close to 110 side of tooth punching, driving should
Motor 108 described in side make the driving tooth 106 that the tooth punching 110 be driven to rotate, open petal by the opening connecting rod 128
127 rotation of page makes the gaseous mixture compressed enter the compressed gas channel 107 to open channel, is then turned off the motor of the side
108, make gaseous mixture continue to be included in the side compression chamber 109, the motor 108 for opening the other side makes compressed gas pass through the compressed gas
Channel 107 enters expansion chamber 104, the spark plug is opened in the expansion chamber 104, burning gases make the expansion chamber 104
Interior gas expansion pushes the piston 103 to move downward, and rotates the output shaft 102 by inter-agency movement transmitting, to this
When piston 103 described in side moves to minimum point, the left bank air valve 133 is opened, other side gaseous mixture enters the expansion chamber
104, under the spark plug effect gas expansion push the piston 103 move downward drive the rotation of output shaft 102 and
Piston 103 described in the other side is moved upwards, the gas in the expansion chamber 104 is excluded to pass through 133 row of left bank air valve
Device out closes the left bank air valve 133, opens the right exhaust valve 132, above-mentioned air intake-exhaust process is repeated, to make institute
It states output shaft 102 constantly to rotate, effectively increases the transmission stability of equipment.
The beneficial effects of the invention are as follows：In the initial state due to present device, the motor is in the shape that stops working
State, the air is in close state into valve air inlet channel, combustion gas into valve and mixed gas into valve, to make above structure
It is located at initial position in the initial state, can be adjusted in follow-up work, effectively improve the working regularity of equipment.
When equipment operation, the air is opened into valve air inlet channel, combustion gas into valve and mixed gas into valve, air
Enter equipment from described, by entering the mixed chamber after the air filter plug, combustion gas enters pipe by the gas inlet channel
Road, by entering the mixed chamber in end multiple spot after the combustion gas trap valve, in the mixed chamber, air and combustion gas along it is described into
Inner surface of trachea is mobile to center, to make air and combustion gas mixing, and makes mixed gas primary compression, and compressed gaseous mixture is logical
It crosses the mixed chamber lower end to enter in the mixed gas passage, and enters in the compression chamber, open the electricity of the eccentric wheel rear end
Machine, the eccentric wheel rotation drives the compression piston to horizontally slip in the compression chamber, when the compression piston is close to institute
When stating tooth punching side, motor described in the side is driven, so that the driving tooth is driven the tooth punching rotation, makes to spend by the opening connecting rod
Valve opens page rotation makes the gaseous mixture compressed enter the compressed gas channel to open channel, is then turned off the motor of the side,
Make gaseous mixture continue to be included in the side compression chamber, open the other side motor make compressed gas by the compressed gas channel enter it is swollen
Swollen chamber, opens the spark plug in the expansion chamber, and burning gases make gas expansion in the expansion chamber push the piston
It moves downward, rotates the output shaft by inter-agency movement transmitting, when piston motion to the minimum point described in the side, open
The left bank air valve, other side gaseous mixture enter the expansion chamber, and gas expansion pushes the work under spark plug effect
Plug, which moves downward, to be driven the output shaft rotation and makes piston upwards described in the other side, and the gas in the expansion chamber is arranged
Except the left bank air valve is closed by the left bank air valve discharger, the right exhaust valve, the above-mentioned air intake-exhaust of repetition are opened
Process effectively increases the transmission stability of equipment so that the output shaft be made constantly to rotate.
Present device structure is simple, easy to use, this equipment uses Digital Control, lights the air after compressing and combustion gas
Mixed gas, throw crank link rotatable provide power, and use flexible formula structure control reaction process, effectively increase and set
Standby precision and reliability.
The above, the specific embodiment only invented, but invent protection scope be not limited thereto, it is any without
The change or replacement that creative work is expected are crossed, should all be covered within the protection scope of invention.Therefore, the protection scope of invention
It should be determined by the scope of protection defined in the claims.
Claims (4)
1. a kind of gas turbine is installed with mixed chamber, the mixed chamber including the cabinet 100 being fixedly arranged on ground in the cabinet 100
Be provided with and communicated in upper end wall with gas inlet channel, it is described in be provided with and communicated with air into valve air inlet channel, it is described in
It is provided with and communicated with air filter plug, combustion gas trap valve is provided with and communicated in the gas inlet channel, is connected in the gas inlet channel
The logical combustion gas being provided with positioned at exterior space is provided with and communicated with spiral air inlet pipe in the mixed chamber lower end wall into valve, described
Mixed gas is provided with and communicated in air inlet pipe lower end wall into valve, the mixed gas is into being provided with and communicated with gaseous mixture in valve lower end wall
Channel is provided with and communicated with symmetrical compression chamber in the mixed gas passage lower end wall, is connected to setting between the compression chamber
There is compression control chamber, motor is embedded in the compression control cavity rear end wall, motor output shaft front end is installed with eccentric wheel, described
Translation wheel is embedded with outside eccentric wheel, translation wheel left and right ends are symmetrically installed with connecting rod, described far from the eccentric wheel
Connecting rod end face is installed with compression piston, and the compression piston and the compression chamber are slidably connected, far from the compression control
The compression chamber end wall of chamber is installed with solid wheel, and the external concentric of wheel admittedly is provided with tooth punching, the tooth punching exterior annular setting
There is the driving tooth for the connection that is rotatably assorted with the compression chamber end wall, the driving tooth is engaged with the tooth punching, is turned in the tooth punching
The connecting rod of dynamic several annular settings, what the end face of wheel admittedly of the close compression control chamber rotated is provided with annular setting
Petal opens page, and the petal opens page and link rotatable is cooperatively connected, and the petal opens page and offsets each other, far from the compression control
It is provided with and communicated with compressed gas channel in the compression chamber end wall of chamber, is provided with and communicated with transmission in the compression chamber lower end wall
Chamber, far from the compression control chamber the drive cavity end wall in be installed with motor, the output shaft of the motor and the institute of downside
It states driving tooth to fix, the driving tooth is engaged with the solid wheel, is provided with symmetrical and position below the compression control chamber
Expansion chamber in the cabinet 100 is provided with and communicated in the expansion chamber lower end wall, the expansion chamber and the compressed gas
Channel is connected to, and is provided with and communicated with the left bank air valve communicated with exterior space, the expansion chamber upper end in the expansion chamber upper end wall
Wall is installed with spark plug, and that slides in the expansion chamber is provided with piston, and what is rotated in the piston is provided with crank connecting link, institute
The output shaft that is provided with rotated between left hand end wall is stated, the output shaft rotation runs through described and extends external sky to the right
Between, the output shaft is rotatably assorted with the crank connecting link and connect.
2. a kind of gas turbine as described in claim 1, it is characterised in that：The gas inlet channel end is divided into multiple pipes
Road is connected to the mixed chamber.
3. a kind of gas turbine as described in claim 1, it is characterised in that：The petal opens page using petal type annular spread
Setting.
4. a kind of gas turbine as described in claim 1, it is characterised in that：The air inlet pipe is the screw type and radius of spin
The communication type structure being gradually reduced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810778620.6A CN108915861A (en) | 2018-07-16 | 2018-07-16 | A kind of gas turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810778620.6A CN108915861A (en) | 2018-07-16 | 2018-07-16 | A kind of gas turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108915861A true CN108915861A (en) | 2018-11-30 |
Family
ID=64411914
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810778620.6A Withdrawn CN108915861A (en) | 2018-07-16 | 2018-07-16 | A kind of gas turbine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108915861A (en) |
-
2018
- 2018-07-16 CN CN201810778620.6A patent/CN108915861A/en not_active Withdrawn
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181130 |
|
| WW01 | Invention patent application withdrawn after publication |