CN106194678A - A kind of air pump - Google Patents
A kind of air pump Download PDFInfo
- Publication number
- CN106194678A CN106194678A CN201610639313.0A CN201610639313A CN106194678A CN 106194678 A CN106194678 A CN 106194678A CN 201610639313 A CN201610639313 A CN 201610639313A CN 106194678 A CN106194678 A CN 106194678A
- Authority
- CN
- China
- Prior art keywords
- magnet
- rotor
- cylinder
- rotating disk
- rubber
- 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.)
- Granted
Links
- 239000004033 plastic Substances 0.000 claims description 13
- 241000239290 Araneae Species 0.000 claims description 9
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 6
- 230000000740 bleeding effect Effects 0.000 claims description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 3
- 230000007423 decrease Effects 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims 1
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000002309 gasification Methods 0.000 description 2
- 206010030113 Oedema Diseases 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000035935 pregnancy Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B45/00—Pumps or pumping installations having flexible working members and specially adapted for elastic fluids
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressor (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
The invention discloses a kind of air pump, including motor, be positioned close to described motor output shaft one end and the cylinder of one end open, be arranged on the lid of described cartridge openings end, and be arranged on described cylinder and the spherical rubber rotor in lid；Present configuration is compact, and work efficiency is high, long perfomance life.
Description
Technical field
The invention belongs to air pump field, particularly relate to a kind of air pump.
Background technology
Traditional air pump, is generally driven eccentric or other frame for movement, eccentric or other frame for movement band by motor
Dynamic piston moves back and forth in the plunger shaft of air pump, coordinates one-way valve structures can realize the driving to air-flow.Piston and piston
Chamber interference fit, during reciprocating motion, resistance is relatively big, and during piston movement with plunger shaft friction, piston produces abrasion, not only reduces
In the life-span of piston, also reduce the work efficiency of air pump.
Summary of the invention
The technical problem to be solved is: the deficiency existed for prior art, it is provided that a kind of air pump.
For realizing the purpose of the present invention, it is achieved by the following technical solutions: a kind of air pump, including motor, is arranged on
Near described motor output shaft one end and the cylinder of one end open, the lid being arranged on described cartridge openings end, and it is arranged on
Described cylinder and the spherical rubber rotor in lid；Described motor is provided with electric machine support, described motor near output shaft one end
Support the most uniformly forms support column, described motor output shaft is fixedly connected with circle the first rotating disk, described first
With motor opposite side on rotating disk, the most uniformly form Magnet mounting groove, described Magnet mounting groove is fixedly connected with
One rotating disk Magnet；Described cylinder one end open, other end closing, described cylinder blind end inwall center forms first
Projection, described cylinder lateral wall is circumferentially evenly arranged with the connection bump corresponding with described support column, described company near blind end
Connect that protruding and described support column is fixing to be connected；Described cylinder body outer wall is fixedly connected with two groups of cylinder magnetic along body centre symmetry
Ferrum, the magnetic force size often organizing described cylinder Magnet is uniformly successively decreased to both sides by centre, often organizes described cylinder Magnet and includes
Equidistantly distribute is multiple；The S pole of the cylinder Magnet described in one group is towards body centre, the N of the cylinder Magnet described in another group
Pole is towards body centre；Described lid side circumferentially forms centring ring, forms the second projection, institute at center position
Stating to connect on lid has intake valve and air bleeding valve, described lid to be tightly connected with cylinder；Easily liquefaction it is full of in described rubber rotor
Gas, described rubber rotor is fixedly connected with rotor field spider, described rotor field spider forms two settings symmetrical above and below
Union joint, a described union joint is fixedly connected with the second rotating disk, described second rotating disk be connected with union joint one side, edge
Circumference uniformly forms Magnet mounting groove, and described Magnet mounting groove is fixedly connected with the second rotating disk Magnet of circle, and described the
The opposite polarity that the polarity that two rotating disk Magnet are installed is installed with the first rotating disk, described second rotating disk is arranged on inner barrel, with institute
Stating the first projection to be rotationally connected, another described union joint is rotationally connected with described second projection；Described rotor field spider both sides
Being provided with plastic seating, described plastic seating is fixedly connected on described rubber rotor, described plastic seating center molding
There is a Magnet mounting groove, described Magnet mounting groove is fixedly connected with rotor magnet, described rotor magnet and described cylinder
Magnet is parallel, and the rotor magnet S pole described in side is towards described rubber rotor center, the rotor magnet N pole court described in opposite side
To described rubber rotor center；Being provided with spring between described plastic seating, described spring includes support spring and spring a,
Described support spring is close to rubber rotor inner wall.Preferably, described liquescent gas uses ether or freon.
Compared with prior art, the invention has the beneficial effects as follows: when the motor is actuated, electric machine rotation, drive the
One rotating disk, described first driven by rotary disc the second rotating disk, described second driven by rotary disc rubber rotor rotates, and rotor magnet rotates, S pole
Towards described rubber rotor center rotary magnet from cylinder Magnet N pole magnetic minimum to cylinder Magnet N pole magnetic maximum time, institute
Stating the repulsive force suffered by rubber rotor to increase, support spring and spring a compression, described rubber rotor gas liquefies, rubber
Rotor is compressed, and intake valve enters gas flow to be increased；When S pole towards the rotary magnet of described rubber rotor center from cylinder magnetic
When ferrum N pole magnetic is up to cylinder Magnet N pole magnetic minimum, repulsive force suffered by described rubber rotor reduces, support spring and
Spring a is gradually reduced compression, and in described rubber rotor, the gas of liquefaction gradually gasifies, and rubber rotor gradually recovers, and intake valve enters
Enter gas flow to gradually decrease；S pole is minimum to cylinder from cylinder Magnet S pole magnetic towards the rotary magnet of described rubber rotor center
During the magnetic maximum of Magnet S pole, the captivation suffered by described rubber rotor increases, and supports spring and spring a stretching, and described rubber turns
Edema of the legs during pregnancy body gasifies, and rubber rotor starts to expand, and air bleeding valve discharges gas flow to be increased；S pole is towards described rubber rotor center
Rotary magnet when cylinder Magnet S pole magnetic is up to cylinder Magnet S pole magnetic minimum, the attraction suffered by described rubber rotor
Power reduces, and supports spring and spring a is gradually reduced stretching, and described rubber rotor gas gradually slows down gasification, and rubber rotor is gradually
Recovering, air bleeding valve is discharged gas flow and is gradually slowed down；Liquescent gas it is full of in the rubber rotor that the present invention uses, described
Gas be sealed in rubber rotor, changed by the captivation between rotor magnet and cylinder Magnet or repulsive force, change
Rubber rotor condition；Rubber rotor passes through gas expansion and is collapsible into row intake and exhaust, will not produce bigger in running
Resistance, present configuration is compact, and work efficiency is high, long perfomance life.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the sectional view of the present invention；
Fig. 3 is the sectional view of the present invention；
Fig. 4 is rubber rotor and the block diagram being attached thereto；
Fig. 5 is the sectional view of parts shown in Fig. 4；
Fig. 6 is cylinder Magnet and rotor magnet scheme of installation.
Description of symbols: 91, motor；911, electric machine support；912, the first rotating disk；9121, the first rotating disk Magnet；
92, cylinder；921, connection bump；922, cylinder Magnet；923, first is protruding；93, lid；931, intake valve；932, row
Air valve；933, second is protruding；94, rubber rotor；941, the second rotating disk；9411, the second rotating disk Magnet；942, rotor field spider；
9421, union joint；943, plastic seating；9431, rotor magnet；944, spring is supported；945, spring a.
Detailed description of the invention
Below according to accompanying drawing, the detailed description of the invention of the present invention is made a detailed explanation.
According to Fig. 1-6, a kind of air pump described in the present embodiment, including motor 91, it is positioned close to described motor 91
The cylinder 92 of output shaft one end and one end open, it is arranged on the lid 93 of described cylinder 92 opening, and is arranged on described cylinder
Body 92 and the spherical rubber rotor 94 in lid 93.Described motor 91 is provided with electric machine support 911, institute near output shaft one end
State electric machine support 911 and the most uniformly form support column, described motor 91 output shaft is fixedly connected with first turn of circle
Dish 912, with motor 91 opposite side on described first rotating disk 912, the most uniformly forms Magnet mounting groove, and described Magnet is pacified
The first rotating disk Magnet 9121 it is fixedly connected with on tankage.Described cylinder 92 one end open, other end closing, described cylinder 92 envelope
Closed end inwall center forms the first projection 923, described cylinder 92 sidewall be circumferentially evenly arranged with near blind end with
The connection bump 921 that described support column is corresponding, described connection bump 921 is fixing with described support column to be connected.Outside described cylinder 92
Wall be fixedly connected with two groups along cylinder 92 centrosymmetric cylinder Magnet 922, often organize the magnetic force size of described cylinder Magnet 922
Uniformly successively decreased to both sides by centre, often organize described cylinder Magnet 922 and include equidistantly distribute multiple；Cylinder described in one group
The S pole of magnet body 922 is towards cylinder 92 center, and the N pole of the cylinder Magnet 922 described in another group is towards cylinder 92 center, such as Fig. 6
Shown in.Described lid 93 side circumferentially forms centring ring, forms the second projection 933, described lid at center position
Connecting on 93 has intake valve 931 and air bleeding valve 932, described lid 93 to be tightly connected with cylinder 92；Fill in described rubber rotor 94
Full liquescent gas, described rubber rotor 94 is fixedly connected with rotor field spider 942, described rotor field spider 942 forms
The union joint 9421 of two settings symmetrical above and below, a described union joint 9421 is fixedly connected with the second rotating disk 941, described
Second rotating disk 941 is connected with union joint 9421 simultaneously, the most uniformly forms Magnet mounting groove, solid on described Magnet mounting groove
Fixed the second rotating disk Magnet 9411 having circle that connects, the polarity that described second rotating disk Magnet 9411 is installed is pacified with the first rotating disk 912
The opposite polarity of dress, it is internal that described second rotating disk 941 is arranged on cylinder 92, is rotationally connected with described first projection 923, another
Described union joint 9421 is rotationally connected with described second projection 933.Described rotor field spider 942 both sides are provided with plastic seating
943, described plastic seating 943 is fixedly connected on described rubber rotor 94, and described plastic seating 943 center forms one
Individual Magnet mounting groove, described Magnet mounting groove is fixedly connected with rotor magnet 9431, and described rotor magnet 9431 is with described
Cylinder Magnet 922 is parallel, and the rotor magnet 9431S pole described in side is towards described rubber rotor 94 center, described in opposite side
Rotor magnet 9431N pole is towards described rubber rotor 94 center.Spring, described spring are installed between described plastic seating 943
Including support spring and spring a945, described support spring is close to rubber rotor 94 inwall, and described liquescent gas is adopted
With ether or freon.
When described motor 91 works, motor 91 rotates, and drives the first rotating disk 912, described first rotating disk 912 to drive second
Rotating disk 941, described second rotating disk 941 drives rubber rotor 94 to rotate, and rotor magnet 9431 rotates, and S pole turns towards described rubber
The rotary magnet at son 94 centers from cylinder Magnet 922N pole magnetic minimum to cylinder Magnet 922N pole magnetic maximum time, described rubber
Repulsive force suffered by rotor 94 increases, and supports spring and spring a945 compression, and described rubber rotor 94 gas liquefies, rubber
Rotor 94 is compressed, and intake valve 931 enters gas flow to be increased；When S pole is towards the rotary magnet at described rubber rotor 94 center
When cylinder Magnet 922N pole magnetic is up to cylinder Magnet 922N pole magnetic minimum, the repulsive force suffered by described rubber rotor 94
Reducing, support spring and spring a945 is gradually reduced compression, in described rubber rotor 94, the gas of liquefaction gradually gasifies, and rubber turns
Son 94 gradually recovers, and intake valve 931 enters gas flow and gradually decreases；S pole is towards the rotary magnet at described rubber rotor 94 center
From cylinder Magnet 922S pole magnetic minimum to cylinder Magnet 922S pole magnetic maximum time, the captivation suffered by described rubber rotor 94
Increasing, support spring and spring a945 stretching, described rubber rotor 94 gas gasifies, and rubber rotor 94 starts to expand, row
Air valve 932 discharges gas flow to be increased；S pole towards the rotary magnet at described rubber rotor 94 center from cylinder Magnet 922S pole magnetic
When being up to cylinder Magnet 922S pole magnetic minimum, the captivation suffered by described rubber rotor 94 reduces, and supports spring and spring
A945 is gradually reduced stretching, and described rubber rotor 94 gas gradually slows down gasification, and rubber rotor 94 gradually recovers, air bleeding valve 932
Discharge gas flow gradually to slow down.Liquescent gas, described gas quilt it is full of in the rubber rotor 94 that the present invention uses
It is sealed in rubber rotor 94, is changed by the captivation between rotor magnet 9431 and cylinder Magnet 922 or repulsive force, change
Rubber rotor 94 state；Rubber rotor 94 passes through gas expansion and is collapsible into row intake and exhaust, will not produce in running
Bigger resistance, present configuration is compact, and work efficiency is high, long perfomance life.
Claims (2)
1. an air pump, it is characterised in that: include motor, be positioned close to described motor output shaft one end and the cylinder of one end open
Body, it is arranged on the lid of described cartridge openings end, and is arranged on described cylinder and the spherical rubber rotor in lid；Described
Motor is provided with electric machine support near output shaft one end, and described electric machine support the most uniformly forms support column, described motor
The first rotating disk of circle it is fixedly connected with on output shaft, with motor opposite side on described first rotating disk, circumferentially uniformly molding
There is Magnet mounting groove, described Magnet mounting groove is fixedly connected with the first rotating disk Magnet；Described cylinder one end open, the other end
Closing, described cylinder blind end inwall center forms the first projection, and described cylinder lateral wall is the most equal near blind end
Even being provided with the connection bump corresponding with described support column, described connection bump is fixing with described support column to be connected；Described cylinder
Outer wall be fixedly connected with two groups along the symmetrical cylinder Magnet of body centre, often organize the magnetic force size of described cylinder Magnet by centre
Uniformly successively decrease to both sides, often organize described cylinder Magnet and include equidistantly distribute multiple；The S of the cylinder Magnet described in one group
Pole is towards body centre, and the N pole of the cylinder Magnet described in another group is towards body centre；The circumferentially molding of described lid side
Have centring ring, form at center position second protruding, described lid connects and has intake valve and air bleeding valve, described lid with
Cylinder is tightly connected；It is full of liquescent gas in described rubber rotor, described rubber rotor is fixedly connected with rotor and props up
Frame, described rotor field spider forms the union joint of two settings symmetrical above and below, a described union joint is fixedly connected with
The second circular rotating disk, described second rotating disk is connected with union joint simultaneously, the most uniformly forms Magnet mounting groove, described magnetic
The second rotating disk Magnet, the pole that the polarity that described second rotating disk Magnet is installed is installed it is fixedly connected with the first rotating disk on ferrum mounting groove
Property contrary, described second rotating disk is arranged on inner barrel, is rotationally connected with described first projection, another described union joint with
Described second projection is rotationally connected；Described rotor field spider both sides are provided with plastic seating, and described plastic seating is fixedly connected on institute
Stating on rubber rotor, described plastic seating center forms a Magnet mounting groove, fixing on described Magnet mounting groove
Connecting and have rotor magnet, described rotor magnet is parallel with described cylinder Magnet, and the rotor magnet S pole described in side is towards described rubber
Glue rotor center, the rotor magnet N pole described in opposite side is towards described rubber rotor center；Install between described plastic seating
Having spring, described spring to include support spring and spring a, described support spring is close to rubber rotor inner wall.
A kind of air pump the most as claimed in claim, it is characterised in that: described liquescent gas uses ether or freon.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610639313.0A CN106194678B (en) | 2016-08-06 | 2016-08-06 | A kind of air pump |
| CN201711166502.1A CN107975473B (en) | 2016-08-06 | 2016-08-06 | A kind of rubber rotor of air pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610639313.0A CN106194678B (en) | 2016-08-06 | 2016-08-06 | A kind of air pump |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711166502.1A Division CN107975473B (en) | 2016-08-06 | 2016-08-06 | A kind of rubber rotor of air pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106194678A true CN106194678A (en) | 2016-12-07 |
| CN106194678B CN106194678B (en) | 2018-07-20 |
Family
ID=57514464
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711166502.1A Active CN107975473B (en) | 2016-08-06 | 2016-08-06 | A kind of rubber rotor of air pump |
| CN201610639313.0A Active CN106194678B (en) | 2016-08-06 | 2016-08-06 | A kind of air pump |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711166502.1A Active CN107975473B (en) | 2016-08-06 | 2016-08-06 | A kind of rubber rotor of air pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN107975473B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110025877A (en) * | 2019-05-24 | 2019-07-19 | 苏州维伟思医疗科技有限公司 | A kind of novel defibrillation electric silica gel injection apparatus |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86200316U (en) * | 1986-01-24 | 1986-11-26 | 方永川 | Quantitative electromagnetic pump |
| JPH0622529A (en) * | 1990-12-28 | 1994-01-28 | Aichi Steel Works Ltd | Vibrator of linear motor |
| US5360323A (en) * | 1993-05-04 | 1994-11-01 | Hsieh Ting Shin | Aquarium air pump |
| CN1336030A (en) * | 1999-10-27 | 2002-02-13 | 松下冷机株式会社 | Linear motor |
| CN201521419U (en) * | 2009-10-05 | 2010-07-07 | 朱鲁曰 | Axis moving single air-bag type air pump |
| WO2015000456A1 (en) * | 2013-07-04 | 2015-01-08 | Geräte- und Pumpenbau GmbH Dr. Eugen Schmidt | Controllable coolant pump |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1557356A1 (en) * | 1988-06-15 | 1990-04-15 | Грузинский политехнический институт | Drive of piston-type compressor |
| JPH03156178A (en) * | 1989-11-13 | 1991-07-04 | Sugino Mach Ltd | Compressor and motor |
| CN2136345Y (en) * | 1992-06-08 | 1993-06-16 | 刘国圣 | Dc or ac air pump |
| CN103790800B (en) * | 2014-01-22 | 2016-03-09 | 李健宝 | Tire for vehicles double-cylinder inflating pump |
| CN105604917A (en) * | 2015-12-24 | 2016-05-25 | 李峰 | High pressure air pump |
-
2016
- 2016-08-06 CN CN201711166502.1A patent/CN107975473B/en active Active
- 2016-08-06 CN CN201610639313.0A patent/CN106194678B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86200316U (en) * | 1986-01-24 | 1986-11-26 | 方永川 | Quantitative electromagnetic pump |
| JPH0622529A (en) * | 1990-12-28 | 1994-01-28 | Aichi Steel Works Ltd | Vibrator of linear motor |
| US5360323A (en) * | 1993-05-04 | 1994-11-01 | Hsieh Ting Shin | Aquarium air pump |
| CN1336030A (en) * | 1999-10-27 | 2002-02-13 | 松下冷机株式会社 | Linear motor |
| CN201521419U (en) * | 2009-10-05 | 2010-07-07 | 朱鲁曰 | Axis moving single air-bag type air pump |
| WO2015000456A1 (en) * | 2013-07-04 | 2015-01-08 | Geräte- und Pumpenbau GmbH Dr. Eugen Schmidt | Controllable coolant pump |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110025877A (en) * | 2019-05-24 | 2019-07-19 | 苏州维伟思医疗科技有限公司 | A kind of novel defibrillation electric silica gel injection apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106194678B (en) | 2018-07-20 |
| CN107975473B (en) | 2019-08-02 |
| CN107975473A (en) | 2018-05-01 |
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| CB02 | Change of applicant information |
Address after: 315602 No. 118, Tian Cun Zhu Cun, Liyang Town, Ninghai County, Ningbo, Zhejiang Applicant after: Hu Yue Address before: 310053 Binjiang District binwen Road, Hangzhou, Hangzhou, Zhejiang Applicant before: Hu Yue |
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| TR01 | Transfer of patent right |
Effective date of registration: 20201112 Address after: Room 102, floor 1, North Market Supervision Bureau, Nanding Dang Road, Jiahe neighborhood committee, Wenting street, Chengwu County, Heze City, Shandong Province Patentee after: Chengwu Yichang Information Technology Co.,Ltd. Address before: 315602 No. 118, Tianjiao Zhucun, Liyang Town, Ninghai County, Ningbo City, Zhejiang Province Patentee before: Hu Yue |
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Effective date of registration: 20211019 Address after: 274000 west of Beitan Zhuang village, North Ring Road, industrial park, Chengwu County, Heze City, Shandong Province Patentee after: Chengwu Shengyang Thermal Power Co.,Ltd. Address before: 274200 Room 102, 1 / F, Jiahe neighborhood committee, Wenting street, Chengwu County, Heze City, Shandong Province Patentee before: Chengwu Yichang Information Technology Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: An air pump Effective date of registration: 20211130 Granted publication date: 20180720 Pledgee: Industrial and Commercial Bank of China Limited Chengwu sub branch Pledgor: Chengwu Shengyang Thermal Power Co.,Ltd. Registration number: Y2021980013647 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220721 Granted publication date: 20180720 Pledgee: Industrial and Commercial Bank of China Limited Chengwu sub branch Pledgor: Chengwu Shengyang Thermal Power Co.,Ltd. Registration number: Y2021980013647 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |