CN108223473B - One-way sequence valve - Google Patents
One-way sequence valve Download PDFInfo
- Publication number
- CN108223473B CN108223473B CN201810046460.6A CN201810046460A CN108223473B CN 108223473 B CN108223473 B CN 108223473B CN 201810046460 A CN201810046460 A CN 201810046460A CN 108223473 B CN108223473 B CN 108223473B
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- CN
- China
- Prior art keywords
- valve body
- oil port
- steel ball
- spring seat
- pressure
- 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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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 45
- 239000010959 steel Substances 0.000 claims abstract description 45
- 238000002955 isolation Methods 0.000 claims abstract description 20
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 125000003003 spiro group Chemical group 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/021—Valves for interconnecting the fluid chambers of an actuator
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- 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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/14—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with ball-shaped valve member
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- 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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
-
- 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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
- F16K17/0406—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded in the form of balls
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Check Valves (AREA)
- Safety Valves (AREA)
- Multiple-Way Valves (AREA)
Abstract
The invention discloses a one-way sequence valve which comprises a valve body, wherein the valve body is provided with an oil port A and an oil port B; the baffle is fixedly arranged in the clamping groove on the left side of the inner hole of the valve body; the steel ball is slidably arranged in the inner hole of the valve body, abuts against the baffle when the steel ball is positioned at the left limit position, the oil port A is communicated with the oil port B, and the oil port A is separated from the oil port B when the steel ball is positioned at the isolation section of the valve body; the pressure control subassembly, it establishes the right side at the valve body, and the pressure control subassembly sets up: when the pressure of the oil port A acts on the steel ball and is not enough to overcome the acting force of the pressure control assembly, the steel ball is positioned at the isolation section of the valve body; when the pressure of the oil port A pushes the steel ball to slide rightwards to be separated from the valve body isolation section by overcoming the acting force of the pressure control assembly, the oil port A is communicated with the oil port B. The advantages are that: the check valve and the sequence valve are integrated, the structure is reasonable and compact, and the flow resistance is small.
Description
Technical Field
The invention relates to the technical field of hydraulic valve manufacturing, in particular to a one-way sequence valve.
Background
A one-way sequence valve commonly used in hydraulic transmission is formed by connecting a one-way valve and a sequence valve in parallel, wherein the one-way valve and the sequence valve are independent respectively. When the oil passes through in the positive direction, the one-way valve is closed, and the sequence valve works. When the oil reversely passes through, the oil freely passes through the one-way valve, and the sequence valve does not work. The prior one-way sequence valve has the following technical defects: the occupied space is relatively large, and due to the limitation of the space, the oil passing capacity of the check valve and the sequence valve is small, so that the requirement of equipment with large oil passing capacity is difficult to meet.
Disclosure of Invention
The invention aims to solve the technical problem of providing a one-way sequence valve which is simple and reasonable in structure, low in cost, compact in size and large in through flow aiming at the current situation of the prior art.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a one-way sequence valve comprising:
the valve comprises a valve body, a valve body and a valve body, wherein a thread is arranged at the large diameter part of the middle part of the valve body, an oil port A and an oil port B which are communicated with inner holes of the valve body are arranged at the small diameter parts of two ends of the valve body, an isolation section is formed between the oil port A and the oil port B in the inner hole of the valve body, and a connecting groove is formed in;
the baffle is fixedly arranged in the clamping groove on the left side of the inner hole of the valve body;
the steel ball is arranged in the inner hole of the valve body in a sliding mode, abuts against the baffle when the steel ball is positioned at a left limit position, the oil port A is communicated with the oil port B, and the oil port A is separated from the oil port B when the steel ball is positioned at the isolation section of the valve body;
a pressure control assembly disposed on a right side of the valve body, the pressure control assembly configured to: when the pressure of the oil port A is acted on the steel ball and is not enough to overcome the acting force of the pressure control assembly, the steel ball is positioned at the isolation section of the valve body; when the pressure of the oil port A pushes the steel ball to slide rightwards to be separated from the valve body isolation section by overcoming the acting force of the pressure control assembly, the oil port A is communicated with the oil port B.
In one embodiment, the pressure control assembly comprises: the first pressure assembly is positioned in an inner hole on the right side of the valve body and matched with the steel ball, the second pressure assembly is sleeved on the periphery of the right side of the valve body, and the first pressure assembly and the second pressure assembly are connected through a cylindrical pin; the cylindrical pin penetrates through the connecting groove of the valve body to be connected with the first pressure assembly, the cylindrical pin is located on the outer portion of the connecting groove and connected with the second pressure assembly, and the cylindrical pin can drive the first pressure assembly and the second pressure assembly to slide left and right along the connecting groove. Through the arrangement of the first pressure assembly and the second pressure assembly, the pressure control assembly can be ensured to reach a larger set pressure under a smaller volume.
In one embodiment, the first pressure assembly comprises a first spring seat and a first spring, the first spring seat is provided with an inner hole matched with the steel ball, a connecting hole is formed in the side wall of the first spring seat, the cylindrical pin is inserted into the connecting hole and forms a fixed connection with the first spring seat, one end of the first spring abuts against the outer peripheral step of the first spring seat, and the other end of the first spring abuts against the bottom of the inner hole of the valve body.
In one embodiment, the second pressure assembly comprises a second spring seat, a second spring, a third spring seat and a retainer ring, the second spring seat is located on one side close to the oil port B, the left side of the second spring seat abuts against the cylindrical pin, the third spring seat is located on one side far away from the oil port B, the right side of the third spring seat abuts against the retainer ring, and the second spring is located between the second spring seat and the third spring seat.
In one embodiment, the oil ports a and B are both disposed obliquely.
Compared with the prior art, the invention has the advantages that:
the one-way sequence valve integrates the one-way valve and the sequence valve, has a reasonable and compact structure, and is characterized in that the steel ball slides left and right along the inner hole of the valve body, when oil enters from the oil port B, the oil pushes the steel ball to abut against the left baffle plate, and the oil port B is directly communicated with the oil port A; when the oil port A is used for feeding oil, if the pressure of the oil port A is not enough to push the steel ball to overcome the acting force of the pressure control assembly, the steel ball is positioned at the isolation section between the oil port A and the oil port B, the oil port A and the oil port B are isolated and blocked, and the steel ball can be pushed to slide rightwards to separate from the isolation section only if the pressure of the oil port A is enough to overcome the acting force of the pressure control assembly, so that the oil port A and the oil port B are conducted. The invention has simple processing and few parts, realizes the functions of the one-way valve and the sequence valve by the steel ball serving as a standard part, and can greatly reduce the cost.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the steel ball at a left limit position in the present invention;
FIG. 3 is a schematic structural view of the steel ball in the isolation section of the present invention;
fig. 4 is a schematic structural view of the steel ball at the right limit position in the present invention.
Detailed Description
The invention is described in further detail below with reference to the accompanying examples.
As shown in figure 1, which is a schematic structural diagram of the present invention,
a one-way sequence valve comprises a valve body 2, wherein a thread 21 is arranged at the large diameter part of the middle part of the valve body 2, an oil port A and an oil port B which are communicated with inner holes of the valve body 2 are arranged at the small diameters of two ends of the valve body 2, an isolation section 22 is formed between the oil port A and the oil port B in the inner hole of the valve body 2, and a connecting groove 23 is formed in the side wall of the right side of the valve; the baffle plate 1 is fixedly arranged in a clamping groove on the left side of the inner hole of the valve body 2; the steel ball 3 is arranged in an inner hole of the valve body 2 in a sliding mode, when the steel ball 3 is positioned at a left limiting position, the steel ball supports against the baffle plate 1, the oil port A is communicated with the oil port B, and when the steel ball 3 is positioned at the valve body isolation section 22, the oil port A is separated from the oil port B; a pressure control assembly 4 provided on the right side of the valve body 2, the pressure control assembly 4 being configured to: when the pressure of the oil port A is acted on the steel ball 3 and is not enough to overcome the acting force of the pressure control assembly 4, the steel ball 3 is positioned at the isolation section 22 of the valve body; when the pressure of the oil port A pushes the steel ball 3 to slide rightwards to be separated from the valve body isolation section 22 by overcoming the acting force of the pressure control assembly 4, the oil port A is communicated with the oil port B.
In one embodiment, the pressure control assembly 4 comprises: the first pressure assembly is positioned in an inner hole on the right side of the valve body 2 and matched with the steel ball 3, the second pressure assembly is sleeved on the periphery on the right side of the valve body 2, and the first pressure assembly and the second pressure assembly are connected through a cylindrical pin 41; the cylindrical pin 41 penetrates through the connecting groove 23 of the valve body to be connected with the first pressure assembly, the cylindrical pin 41 is located at the outer portion of the connecting groove 23 to be connected with the second pressure assembly, and the cylindrical pin 41 can drive the first pressure assembly and the second pressure assembly to slide left and right along the connecting groove 23.
In one embodiment, the first pressure assembly includes a first spring seat 43 and a first spring 44, the first spring seat 43 has an inner hole matching with the steel ball 3, a connecting hole is opened on a side wall of the first spring seat 43, the cylindrical pin 41 is inserted into the connecting hole to form a fixed connection with the first spring seat 43, one end of the first spring 44 abuts against an outer peripheral step of the first spring seat 43, and the other end abuts against the bottom of the inner hole of the valve body 2.
In one embodiment, the second pressure assembly includes a second spring seat 42, a second spring 45, a third spring seat 46 and a retainer ring 47, the second spring seat 42 is located on the side close to the oil port B, the left side of the second spring seat 42 abuts against the cylindrical pin 41, the third spring seat 46 is located on the side far from the oil port B, the right side of the third spring seat 46 abuts against the retainer ring 47, and the second spring 45 is disposed between the second spring seat 42 and the third spring seat 46.
In one embodiment, the oil ports a and B are both disposed obliquely.
The working principle of the invention is as follows:
this one-way sequence valve collects check valve and sequence valve in an organic whole, and compact structure will the valve spiro union in the installation position through the external screw thread that the valve body 2 outside set up.
And in a one-way flow state, as shown in figure 2, oil flows in from an oil port B, pushes the steel ball 3 to a left limit position to abut against the baffle plate 1, and the oil port B is communicated with the oil port A, so that the flow area is large, and the flow resistance is small.
Sequential truncation state: as shown in fig. 3, oil enters from the oil port a, the steel ball 3 is pushed to the isolation section 22 when the pressure of the oil port a is not enough to overcome the acting force of the pressure control assembly 4, a gap liquid seal is formed between the diameter of the steel ball 3 and the inner hole of the valve body 2 to separate the oil port a from the oil port B, and the oil port a is not communicated with the oil port B.
A sequential connected state: as shown in fig. 4, oil flows from the oil port a, when the pressure of the oil port a is sufficient to overcome the acting force of the pressure control assembly 4, the pressure of the oil port a pushes the steel ball 3 to abut against the first spring seat 43, and the second spring seat 42 is driven by the cylindrical pin 41 to move rightward by overcoming the acting forces of the first spring 44 and the second spring 45 until the first spring seat 43 abuts against the bottom of the inner hole of the valve body 2, the steel ball 3 is separated from the isolation section 22, and the oil flows from the oil port a into the oil port B.
While the preferred embodiments of the present invention have been illustrated, various changes and modifications may be made by one skilled in the art without departing from the scope of the invention.
Claims (2)
1. A one-way sequence valve, comprising:
the valve comprises a valve body, a valve body and a valve body, wherein a thread is arranged at the large diameter part of the middle part of the valve body, an oil port A and an oil port B which are communicated with inner holes of the valve body are arranged at the small diameter parts of two ends of the valve body, an isolation section is formed between the oil port A and the oil port B in the inner hole of the valve body, and a connecting groove is formed in;
the baffle is fixedly arranged in the clamping groove on the left side of the inner hole of the valve body;
the steel ball is arranged in the inner hole of the valve body in a sliding mode, abuts against the baffle when the steel ball is positioned at a left limit position, the oil port A is communicated with the oil port B, and the oil port A is separated from the oil port B when the steel ball is positioned at the isolation section of the valve body;
a pressure control assembly disposed on a right side of the valve body, the pressure control assembly configured to: when the pressure of the oil port A is acted on the steel ball and is not enough to overcome the acting force of the pressure control assembly, the steel ball is positioned at the isolation section of the valve body; when the pressure of the oil port A pushes the steel ball to slide rightwards to be separated from the valve body isolation section by overcoming the acting force of the pressure control assembly, the oil port A is communicated with the oil port B;
the pressure control assembly comprises a first pressure assembly and a second pressure assembly, the first pressure assembly is positioned in an inner hole on the right side of the valve body and matched with the steel ball, the second pressure assembly is sleeved on the periphery on the right side of the valve body, and the first pressure assembly and the second pressure assembly are connected through a cylindrical pin; the cylindrical pin penetrates through a connecting groove of the valve body to be connected with the first pressure assembly, the part, located outside the connecting groove, of the cylindrical pin is connected with the second pressure assembly, and the cylindrical pin can drive the first pressure assembly and the second pressure assembly to slide left and right along the connecting groove;
the first pressure assembly comprises a first spring seat and a first spring, the first spring seat is provided with an inner hole matched with the steel ball, a connecting hole is formed in the side wall of the first spring seat, the cylindrical pin is inserted into the connecting hole to form fixed connection with the first spring seat, one end of the first spring abuts against the peripheral step of the first spring seat, and the other end of the first spring abuts against the bottom of the inner hole of the valve body;
the second pressure assembly comprises a second spring seat, a second spring, a third spring seat and a retaining ring, the second spring seat is located on one side close to the oil port B, the left side of the second spring seat is abutted to the cylindrical pin, the third spring seat is located on one side far away from the oil port B, the right side of the third spring seat is abutted to the retaining ring, and the second spring is arranged between the second spring seat and the third spring seat.
2. The one-way sequence valve of claim 1, wherein the oil ports a and B are inclined.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810046460.6A CN108223473B (en) | 2018-01-17 | 2018-01-17 | One-way sequence valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810046460.6A CN108223473B (en) | 2018-01-17 | 2018-01-17 | One-way sequence valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108223473A CN108223473A (en) | 2018-06-29 |
| CN108223473B true CN108223473B (en) | 2020-05-08 |
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ID=62667286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810046460.6A Active CN108223473B (en) | 2018-01-17 | 2018-01-17 | One-way sequence valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108223473B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108131479B (en) * | 2017-12-21 | 2019-05-28 | 绍兴市雅克汽配有限公司 | A kind of one-way throttle valve |
| CN108758041B (en) * | 2018-08-28 | 2019-08-23 | 上海江浪科技股份有限公司 | A kind of No leakage one way sequence valve |
| CN109469659B (en) * | 2018-11-24 | 2020-05-08 | 玉环鸿创阀门有限公司 | One-way sequence valve |
| CN112413591B (en) * | 2019-08-23 | 2022-02-11 | 宁波方太厨具有限公司 | Stove burner |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55135274A (en) * | 1979-04-09 | 1980-10-21 | Toyota Motor Corp | Sequence valve |
| CN87212352U (en) * | 1987-10-07 | 1988-04-20 | 陈延全 | Electric-control one-way valve |
| CN1033536A (en) * | 1987-12-13 | 1989-06-28 | 陈延全 | Electric control one-way valve |
| CN201373144Y (en) * | 2009-01-06 | 2009-12-30 | 费斯托(中国)有限公司 | One-way valve |
| CN102563141A (en) * | 2012-01-02 | 2012-07-11 | 林友根 | Direct-acting internally piloted one-way sequence valve |
| CN102563140A (en) * | 2012-01-02 | 2012-07-11 | 林友根 | Pilot-operated one-way sequence valve |
| CN202612761U (en) * | 2012-01-02 | 2012-12-19 | 林友根 | Direct-acting type internal-control unidirectional sequence valve |
| CN203272891U (en) * | 2013-05-10 | 2013-11-06 | 浙江工商职业技术学院 | Simple single-way valve |
| CN103883767A (en) * | 2014-04-22 | 2014-06-25 | 张筱秋 | Flange joint two-plate flow guide zinc alloy perpendicular one-way valve |
| CN104632745A (en) * | 2015-02-11 | 2015-05-20 | 华侨大学 | Sequence valve with magneto-rheological pilot valve |
| CN106015148A (en) * | 2016-08-04 | 2016-10-12 | 王才丰 | Positive-and-negative pressure driving device for mounting tool of cold shrinking cable sealing cap |
| CN206129759U (en) * | 2015-11-30 | 2017-04-26 | 赵义 | Pincers hydro -cylinder acceleration valve is smashed to hydraulic pressure |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106151607A (en) * | 2016-08-02 | 2016-11-23 | 陈艳艳 | Threaded check valve |
-
2018
- 2018-01-17 CN CN201810046460.6A patent/CN108223473B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55135274A (en) * | 1979-04-09 | 1980-10-21 | Toyota Motor Corp | Sequence valve |
| CN87212352U (en) * | 1987-10-07 | 1988-04-20 | 陈延全 | Electric-control one-way valve |
| CN1033536A (en) * | 1987-12-13 | 1989-06-28 | 陈延全 | Electric control one-way valve |
| CN201373144Y (en) * | 2009-01-06 | 2009-12-30 | 费斯托(中国)有限公司 | One-way valve |
| CN102563141A (en) * | 2012-01-02 | 2012-07-11 | 林友根 | Direct-acting internally piloted one-way sequence valve |
| CN102563140A (en) * | 2012-01-02 | 2012-07-11 | 林友根 | Pilot-operated one-way sequence valve |
| CN202612761U (en) * | 2012-01-02 | 2012-12-19 | 林友根 | Direct-acting type internal-control unidirectional sequence valve |
| CN203272891U (en) * | 2013-05-10 | 2013-11-06 | 浙江工商职业技术学院 | Simple single-way valve |
| CN103883767A (en) * | 2014-04-22 | 2014-06-25 | 张筱秋 | Flange joint two-plate flow guide zinc alloy perpendicular one-way valve |
| CN104632745A (en) * | 2015-02-11 | 2015-05-20 | 华侨大学 | Sequence valve with magneto-rheological pilot valve |
| CN206129759U (en) * | 2015-11-30 | 2017-04-26 | 赵义 | Pincers hydro -cylinder acceleration valve is smashed to hydraulic pressure |
| CN106015148A (en) * | 2016-08-04 | 2016-10-12 | 王才丰 | Positive-and-negative pressure driving device for mounting tool of cold shrinking cable sealing cap |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108223473A (en) | 2018-06-29 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20200410 Address after: 317609 pile head, Longxi Town, Yuhuan City, Taizhou City, Zhejiang Province Applicant after: Yuhuan hongchuang Valve Co., Ltd Address before: 315000 No. 510 Chuangyuan Road, Ningbo National High-tech Zone, Zhejiang Province Applicant before: Shao Likun |
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| GR01 | Patent grant |