CN104791535B - A kind of rapid escape valve - Google Patents
A kind of rapid escape valve Download PDFInfo
- Publication number
- CN104791535B CN104791535B CN201510197684.3A CN201510197684A CN104791535B CN 104791535 B CN104791535 B CN 104791535B CN 201510197684 A CN201510197684 A CN 201510197684A CN 104791535 B CN104791535 B CN 104791535B
- Authority
- CN
- China
- Prior art keywords
- valve
- control unit
- disc spring
- film
- gas storage
- 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.)
- Active
Links
- 239000013078 crystal Substances 0.000 claims abstract description 21
- 238000004146 energy storage Methods 0.000 claims abstract description 21
- 239000000203 mixture Substances 0.000 claims description 13
- 239000000872 buffer Substances 0.000 claims description 10
- 230000004044 response Effects 0.000 abstract description 5
- 239000007789 gas Substances 0.000 description 19
- 238000006243 chemical reaction Methods 0.000 description 8
- 230000003044 adaptive effect Effects 0.000 description 3
- 239000007853 buffer solution Substances 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 230000036316 preload Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- 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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/004—Actuating devices; Operating means; Releasing devices actuated by piezoelectric means
-
- 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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/126—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a diaphragm, bellows, or the like
- F16K31/1262—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a diaphragm, bellows, or the like one side of the diaphragm being spring loaded
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Electrically Driven Valve-Operating Means (AREA)
Abstract
A kind of rapid escape valve is made up of driver part, control unit, gas storage part and valve rod；Driver part is connected firmly with control unit, and control unit is connected firmly with gas storage part, and valve rod is slidably matched with valve body control unit, valve rod upper end connection film driver part, lower end connection chamber gas storage part；Driver part includes：Lid, film assembly, pressing plate, energy storage disc spring and top cover on film；In top cover, pressing plate is connected energy storage disc spring with energy storage disc spring, and lid, film assembly and top cover are connected by screw on film；Control unit includes：Valve body and electrically-controlled component；Electrically-controlled component is made up of supporting body, piezo-electric crystal, gripping block, clamping disc spring, end cap and adjusting screw, and coordinates with valve body slides；Gas storage part includes：Guide collar, air storage chamber and moving parts；Air storage chamber is connected firmly with guide collar, moving parts by connecting rod, swing to nail, movable sleeving and valve element and constitute, moving component is slidably matched with guide collar.The features such as this valve has rapid fast response time, deflation, adaptivity.
Description
Technical field
The present invention relates to valve field, more particularly to be a kind of Quick air-discharge valve.
Background technology
During some important chemical experiments are carried out, it is desirable to which the chemical reaction between material will safely and reliably enter
OK, to ensure the safety of experimenter, when the chemical reaction appearance exception for being carried out causes danger situation, it is necessary to fast
At this moment the terminating reaction of speed is accomplished by the quick related inert gas of injection in reaction system with ensureing the safety of personnel,
With terminating reaction, and now it is accomplished by during rapid escape valve rapidly injects inert gas into reaction system, it is ensured that the peace of experiment
Entirely.
The content of the invention
The features such as a kind of rapid escape valve proposed by the present invention has fast response time, exhaust velocity is fast, can be effectively
There is the chemical reaction of abnormal conditions in prevention, it is ensured that the safety of experimental field.
The present invention uses following technical scheme：
A kind of rapid escape valve of the present invention, it is characterized in that described rapid escape valve is by driver part, control unit
Part, gas storage part and valve rod composition；Driver part is connected firmly with control unit, and control unit is connected firmly with gas storage part, and valve rod runs through
Control unit is simultaneously slidably matched with control unit, and valve rod upper end is connected with driver part, and valve rod lower end is connected with gas storage part；
Driver part is by lid, top cover, adjusting set, buffer board, rubber spring, adjusting rod, film assembly, pressing plate, energy storage disc spring on film
Composition；Lid is connected firmly with top cover on film, and adjusting set middle part passes through buffer board and rubber spring, and upper end connects with film top cap, institute
Stating design of cover has raised annular groove, and protruding ring trench bottom is equipped with energy storage disc spring, and energy storage disc spring upper end is connected with pressing plate, pressing plate upper end
It is connected with film assembly；The control unit is made up of valve body with electrically-controlled component；Electrically-controlled component is by supporting body, piezo-electric crystal, folder
Tight block, clamping disc spring, end cap and adjusting screw composition, and coordinate with valve body slides；The gas storage part is by moving parts, bottom
Seat, cavity, guide collar composition；Guide collar is connected firmly with cavity, moving parts by connecting rod, swing to nail, movable sleeving and valve element and constitute,
Moving component is slidably matched with guide collar, and base is threadedly coupled with cavity.
A kind of rapid escape valve of the present invention, the concrete mode that its valve rod lower end is connected with gas storage part is：Valve rod
Lower end is connected with connecting rod.
A kind of rapid escape valve of the present invention, is equipped with piezo-electric crystal, supporting body two in supporting body in its electrically-controlled component
End is equipped with end cap, and piezo-electric crystal side is equipped with gripping block, and opposite side is equipped with adjusting screw, and gripping block pierces into clamping disc spring and carries
Body is connected.
A kind of rapid escape valve of the present invention, adapter sleeve lower end is swung under nail equipped with nail is swung in its moving parts
End is equipped with movable sleeving, and movable sleeving is connected with valve element.
A kind of rapid escape valve of the present invention, its valve rod one end is designed with screw thread, is connected with pressing plate, other end design
There is annular groove, be connected with connecting rod, stem exterior surface is designed with plane, contacted with gripping block.
A kind of rapid escape valve of the present invention, its valve rod constitutes the valve rod system of rapid escape valve with moving component
System, this sectional type valve lever system has run through valve driving part, control unit and gas storage part, helps to reduce stem design
The difficulty of processing.
A kind of rapid escape valve of the present invention, its supporting body, gripping block, clamps disc spring, piezo-electric crystal, end cap and tight
The electrically-controlled component for determining screw composition has amount of floating in valve body, when at this moment the gripping block stress of side in supporting body first pushes up valve rod
Supporting body can be promoted makes the gripping block of its opposite side also push up valve rod, with adaptive performance, so greatly reduces valve
Design difficulty of processing.
A kind of rapid escape valve of the present invention, its cavity is split-type structural with base, between the two by screw thread
Connection, is easy to adjust surplus, and can also quickly change base when seal failure between base and valve element.
A kind of rapid escape valve of the present invention, its buffer board and rubber spring composition buffer system, work as film assembly
The momentum of whole valve rod system will be slowed down when being contacted with buffer board, and then reduce the reduction of valve rod system and shaken, improve valve
Life-span and work reliability.
The regulating system of a kind of rapid escape valve of the present invention, its adjusting rod and adjusting set composition, can limit valve
The ultimate range that bar is moved up, when film contacts and when compressing buffer system, when buffer system decrement is excessive, film system
Just adjusting rod has been arrived so as to limit the amount of movement of maximum in top to system.
Advantage of the present invention is as described below.
1. the present invention has fast-response energy.The present invention is using piezo-electric crystal as control element and disc spring as energy storage
Element, because the response time of piezo-electric crystal enables the quick resilience of valve rod, therefore this hair soon and by energy storage disk spring energy storage
It is bright with fast-response energy.
2. the present invention has adaptive performance.The present invention is by supporting body, gripping block, clamping disc spring, piezo-electric crystal, tightening
The electrically-controlled component of screw composition, when control system two ends unbalance stress, the matter control system is moved freely in valve body, makes this
Invention adaptive performance, reduces difficulty of processing of the present invention.
3. the present invention reduces the difficulty of design processing.The present invention passes through valve rod, connecting rod, swings to nail, movable sleeving, valve element structure
Into the valve rod system of rapid escape valve, the requirement of the axiality of valve rod is reduced, help to reduce the difficulty of stem design processing
Degree.
4. the present invention has self-tuning performance.The system that the present invention is made up of adjusting rod and adjusting set, being capable of regulating valve
The maximum displacement that bar rises, and base and cavity are capable of the position that adjusting spool declines by using the split type connection of screw thread, make
Obtain of the invention with self-regulating function.
Brief description of the drawings
Fig. 1 is overall structure diagram of the invention.
Fig. 2 is the structural representation of driver part of the invention.
Fig. 3 is the structural representation of control unit of the invention.
Fig. 4 is the structural representation of gas storage part of the invention.
Fig. 5 is valve rod tomograph of the invention.
Fig. 6 is valve body tomograph of the invention.
Fig. 7 is the tomograph of connecting rod of the invention.
Sequence number in accompanying drawing：1：Covered on film；1-1:Compressed gas air inlet；2:Film assembly；3：Pressing plate：4：Energy storage dish
Spring；5：Valve body；6：Supporting body；7：Fastening spring；8：Gripping block；9：Piezo-electric crystal；10：End cap；11：Adjusting screw；12：Connection
Bar；13：Precompressed disc spring；14：Swing to nail；15：Movable sleeving；16：Valve element；17：Base；18：Cavity；19：Pre-load nut；20：Lead
To circle；21：Valve rod；22：Top cover； 23：Buffer board；24：Rubber spring；25：Adjusting set；26：Adjusting rod.
Specific implementation process：A kind of rapid escape valve of the present invention by driver part, control unit, gas storage part and
Valve rod（21）Composition；It is fastenedly connected by screw between driver part and control unit, is led between control unit and gas storage part
Cross screw to be fastenedly connected, valve rod（21）Bar one end is designed with the screw thread other end and is designed with annular groove, and valve rod（21）Outer surface sets
In respect of plane, valve rod（21）It is slidably matched through control unit and with control unit, valve rod（21）Upper end is by screw thread and driving
Part is connected, valve rod（21）Realize that gas storage part is connected by coordinating with connecting rod in lower end；
Driver part is covered by film（1）, film assembly（2）, pressing plate（3）, energy storage disc spring（4）, top cover（22）, buffer board
（23）, rubber spring（24）, adjusting set（25）And adjusting rod（26）Composition；Covered on film（1）And top cover（22）It is solid by bolt
Connection；Covered on film（1）Outer surface be designed with air inlet（1-1）, adjusting set（25）Covered with film（1）It is connected through a screw thread,
And fastened by nut；Adjusting rod（26）With adjusting set（25）It is connected through a screw thread, and is fastened by nut；Adjusting set（25）Wear
Cross buffer board（23）, adjusting set（25）Through rubber spring（24）, rubber spring（24）Upper surface and film on cover（1）Connect
Touch, its lower surface and buffer board（23）Contact；Top cover（22）Center is designed with the annular groove of projection, film assembly（2）With top cover
（22）Annular groove be slidably matched；Energy storage disc spring（4）It is assemblied in top cover（22）Annular groove among；Pressing plate（3）With energy storage disc spring（4）Connect
Touch and coordinate；Film assembly（2）Covered with film（1）And top cover（22）It is bolted；
Control unit is by valve body（5）, supporting body（6）, clamp disc spring（7）, gripping block（8）, piezo-electric crystal（9）, end cap
（10）And adjusting screw（11）Composition；Valve body（5）Be designed with through hole in vertical direction, be designed with the horizontal direction two it is identical logical
Hole, supporting body（6）Level runs through valve body（5）With valve body（5）It is slidably matched；Supporting body（6）It is designed with shoulder hole, gripping block（8）
Pierce into supporting body（6）And and supporting body（6）It is slidably matched；Clamp disc spring（7）Simultaneously with supporting body（6）Laminating, another side and folder
Tight block（8）Laminating；Piezo-electric crystal（9）Pierce into supporting body（6）And and gripping block（8）It is engaged；End cap（10）With supporting body（6）
It is connected through a screw thread；Adjusting screw（11）With end cap（10）It is threadedly coupled and is fastened by nut, adjusting screw（11）With piezoelectricity
Crystal（9）It is engaged；
Gas storage part is by connecting rod（12）, precompressed disc spring（13）, swing to nail（14）, movable sleeving（15）, valve element（16）, base
（17）, cavity（18）, pre-load nut（19）, guide collar（20）Composition；Cavity（18）With guide collar（20）Connected firmly by screw, even
Extension bar（12）It is designed with notch, connecting rod（12）Notch and valve rod（21）Annular groove is connected and connecting rod（12）Pierce into guide collar
（20）And with guide collar（20）It is slidably matched；Movable sleeving（15）Through hole is designed with, and one end design is fluted, and the other end sets
In respect of internal thread, precompressed disc spring（13）It is assemblied in movable sleeving（15）Groove in, movable sleeving（15）Pierce into guide collar（20）And with
Guide collar（20）It is slidably matched；Swing to nail（14）Pierce into movable sleeving（15）And with connecting rod（12）It is connected through a screw thread；Pretension
Nut（19）With swing to nail（14）Threaded connection, pre-load nut（19）With precompressed disc spring（13）Contact；Valve element（16）With movable sleeving
（15）Threaded connection；Described cavity（18）Bottom design has internal thread, base（17）With cavity（18）Make it is split type, they
Between using threaded connection, and by nut fasten.
Its course of work：When compressed gas pass through film top cover（1）Air inlet（1-1）Into in driver part, compression
Gas-powered film assembly（2）Move down, work as film assembly（2）When moving down into certain distance, pressing plate（3）Just touch film
Component（2）And moved down together with film assembly, due to valve rod（21）With pressing plate（3）It is connected through a screw thread, at this moment pressing plate（3）Band
Ovable valve stem（21）Move downward, while pressing plate（3）With energy storage disc spring（4）Contact start compressed energy-storage disc spring（4）, at this moment energy storage dish
Spring（4）Compressed and started energy storage；Work as valve element（16）With base（17）When contacting and compressing, upper end stops conveying compression
Gas, at this moment just gives piezo-electric crystal（9）It is powered, piezo-electric crystal（9）Will be extended after energization, at this moment piezo-electric crystal（9）Can promote
Gripping block（8）Touch valve rod（21）, at this moment clamp disc spring（7）Meeting stress produces certain deformation, and piezo-electric crystal（9）Meeting
Clamping force is produced to pass to gripping block（8）Clamp valve rod（21）；When clamping valve rod（21）Afterwards, will be to cavity（18）Middle injection
Required working gas, works as cavity（18）Stopping injection gas during middle gassy, and the at this moment gas in the driver part of upper end
Body is also vented, and at this moment valve is in arm-to-arm；When valve needs release gas, piezo-electric crystal is at this moment just given（9）Power-off,
Piezo-electric crystal（9）Will shorten and gripping block（8）In fastening spring（7）Bounce effect is lower and valve rod（21）It is gradually disengaged,
And valve rod（21）The clamping force being subject to will fade away, at this moment the energy storage disc spring of upper end（4）Just with dynamic pressure plate（3）And valve rod
（21）Quickly rise, and valve element（16）In valve rod（21）In the presence of rise, valve element（16）With base（17）Between quickly take off
From at this moment cavity（18）Gas rapidly will be gone out from Valved discharge, among required reaction system.
Claims (5)
1. a kind of rapid escape valve, it is characterized in that described rapid escape valve is by driver part, control unit, gas storage part and valve
Bar is constituted；Driver part is connected firmly with control unit, and control unit is connected firmly with gas storage part, valve rod through control unit and with control
Part is slidably matched, and valve rod upper end is connected with driver part, and valve rod lower end is connected with gas storage part；Driver part is by film
Lid, top cover, adjusting set, buffer board, rubber spring, adjusting rod, film assembly, pressing plate, energy storage disc spring composition；Gai Yuding on film
Lid is connected firmly, and adjusting set middle part passes through buffer board and rubber spring, and upper end connects with film top cap, and the design of cover has protruding ring
Groove, protruding ring trench bottom is equipped with energy storage disc spring, and energy storage disc spring upper end is connected with pressing plate, and pressing plate upper end is connected with film assembly；Institute
Control unit is stated to be made up of with electrically-controlled component valve body；Electrically-controlled component is by supporting body, piezo-electric crystal, gripping block, clamping disc spring, end cap
Constituted with adjusting screw, and coordinated with valve body slides；The gas storage part is made up of moving parts, base, cavity, guide collar；
Guide collar is connected firmly with cavity, moving parts by connecting rod, swing to nail, movable sleeving and valve element and constitute, moving component is slided with guide collar
Dynamic to coordinate, base is threadedly coupled with cavity.
2. rapid escape valve according to claim 1, it is characterized in that the valve rod lower end is specific with what gas storage part was connected
Mode is：Valve rod lower end is connected with connecting rod.
3. rapid escape valve according to claim 1, it is characterized in that being equipped with piezo crystals in the electrically-controlled component in supporting body
Body, supporting body two ends are equipped with end cap, and piezo-electric crystal side is equipped with gripping block, and opposite side is equipped with adjusting screw, and gripping block pierces into folder
Tight disc spring is connected with supporting body.
4. rapid escape valve according to claim 1, it is characterized in that connecting rod lower end is equipped with swinging in the moving parts
Nail, swings to nail lower end equipped with movable sleeving, and movable sleeving is connected with valve element.
5. rapid escape valve according to claim 1, it is characterized in that valve rod one end is designed with screw thread, is connected, separately with pressing plate
One end is designed with annular groove, is connected with connecting rod, and stem exterior surface is designed with plane, is contacted with gripping block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510197684.3A CN104791535B (en) | 2015-04-24 | 2015-04-24 | A kind of rapid escape valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510197684.3A CN104791535B (en) | 2015-04-24 | 2015-04-24 | A kind of rapid escape valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104791535A CN104791535A (en) | 2015-07-22 |
| CN104791535B true CN104791535B (en) | 2017-05-31 |
Family
ID=53556578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510197684.3A Active CN104791535B (en) | 2015-04-24 | 2015-04-24 | A kind of rapid escape valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104791535B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106641374B (en) * | 2016-11-17 | 2019-01-25 | 上海空间推进研究所 | A kind of tiny flow quantity piezoelectric ceramics proportioning valve |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1058259A (en) * | 1990-07-07 | 1992-01-29 | 张建 | Automatic throttle |
| CN202176807U (en) * | 2011-07-28 | 2012-03-28 | 杭州良工阀门有限公司 | Pneumatic adjusting valve with air discharging plug |
| CN102705530A (en) * | 2012-06-21 | 2012-10-03 | 昆山新莱洁净应用材料股份有限公司 | Membrane type pneumatic membrane valve |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07310606A (en) * | 1994-05-19 | 1995-11-28 | Aisan Ind Co Ltd | Exhaust gas circulation control valve |
| JP2006183635A (en) * | 2004-12-28 | 2006-07-13 | Keihin Corp | Exhaust gas valve |
| US8312892B2 (en) * | 2009-07-02 | 2012-11-20 | Fisher Controls International Llc | Device and method for determining a failure mode of a pneumatic control valve assembly |
| CN205592466U (en) * | 2015-04-24 | 2016-09-21 | 四川大学 | Quick air discharge valve |
-
2015
- 2015-04-24 CN CN201510197684.3A patent/CN104791535B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1058259A (en) * | 1990-07-07 | 1992-01-29 | 张建 | Automatic throttle |
| CN202176807U (en) * | 2011-07-28 | 2012-03-28 | 杭州良工阀门有限公司 | Pneumatic adjusting valve with air discharging plug |
| CN102705530A (en) * | 2012-06-21 | 2012-10-03 | 昆山新莱洁净应用材料股份有限公司 | Membrane type pneumatic membrane valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104791535A (en) | 2015-07-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105156728B (en) | A kind of pressure regulating device | |
| US20170282341A1 (en) | Driver device having a gas spring | |
| CN102186633B (en) | Pneumatic driving machine | |
| CN104791535B (en) | A kind of rapid escape valve | |
| CN205592466U (en) | Quick air discharge valve | |
| US20190126452A1 (en) | Pneumatic Nail Gun | |
| KR20160142278A (en) | Clamp apparatus | |
| EP2431131A3 (en) | Nailing gun | |
| JP2019502074A5 (en) | ||
| US20130320607A1 (en) | Positioning apparatus | |
| CN2642735Y (en) | Leading and automatically operating type explosion-proof door | |
| ATE507378T1 (en) | TURBOCHARGER SYSTEM WITH TURBINE BYPASS VALVE ACTUATED BY A PRESSURE ACTUATED WORKING CYLINDER WITH MULTIPLE RATES | |
| JP3121989U (en) | Air supply piston structure for removing cylinder pressure | |
| US7918375B2 (en) | Pneumatically operable fastener-driving tool and seal mechanism assembly, and a method of operating the same | |
| CN106181313A (en) | A kind of angular deviation self adaptation pressure head | |
| US8499852B2 (en) | Switch for pneumatic tool | |
| JP7006298B2 (en) | Driving tool | |
| TW201722643A (en) | Driver device operated by means of combustible gas | |
| CN202100784U (en) | Membrane type pressure retaining valve | |
| AU2014202308B2 (en) | Metering valve | |
| CN102392909A (en) | Pressure limiting mechanism of pressure vessel | |
| CN204358093U (en) | Synchronous sealing device and there is the reaction furnace of this device | |
| RU118950U1 (en) | PNEUMATIC VIBRATOR | |
| US11623350B2 (en) | Gripping device | |
| JP2019505401A (en) | Combustion chamber and driving device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |