CN108374920A - A kind of bidirectional traffics control valve - Google Patents
A kind of bidirectional traffics control valve Download PDFInfo
- Publication number
- CN108374920A CN108374920A CN201810116656.8A CN201810116656A CN108374920A CN 108374920 A CN108374920 A CN 108374920A CN 201810116656 A CN201810116656 A CN 201810116656A CN 108374920 A CN108374920 A CN 108374920A
- Authority
- CN
- China
- Prior art keywords
- regulating valve
- boss
- fixed seat
- support
- spring
- 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
- 230000002457 bidirectional effect Effects 0.000 title claims abstract description 14
- 230000001105 regulatory effect Effects 0.000 claims abstract description 72
- 230000000694 effects Effects 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 7
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 238000011144 upstream manufacturing Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 abstract description 9
- 230000001276 controlling effect Effects 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 13
- 238000010586 diagram Methods 0.000 description 2
- 230000005764 inhibitory process Effects 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 230000001746 atrial effect Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
- 238000005406 washing Methods 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
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/20—Excess-flow valves
- F16K17/22—Excess-flow valves actuated by the difference of pressure between two places in the flow line
- F16K17/24—Excess-flow valves actuated by the difference of pressure between two places in the flow line acting directly on the cutting-off member
- F16K17/28—Excess-flow valves actuated by the difference of pressure between two places in the flow line acting directly on the cutting-off member operating in one direction only
- F16K17/30—Excess-flow valves actuated by the difference of pressure between two places in the flow line acting directly on the cutting-off member operating in one direction only spring-loaded
-
- 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
- F16K17/20—Excess-flow valves
- F16K17/22—Excess-flow valves actuated by the difference of pressure between two places in the flow line
- F16K17/24—Excess-flow valves actuated by the difference of pressure between two places in the flow line acting directly on the cutting-off member
- F16K17/26—Excess-flow valves actuated by the difference of pressure between two places in the flow line acting directly on the cutting-off member operating in either direction
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D7/00—Control of flow
- G05D7/01—Control of flow without auxiliary power
- G05D7/0126—Control of flow without auxiliary power the sensing element being a piston or plunger associated with one or more springs
- G05D7/0133—Control of flow without auxiliary power the sensing element being a piston or plunger associated with one or more springs within the flow-path
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Safety Valves (AREA)
Abstract
A kind of bidirectional traffics control valve, mainly it is made of the first fixed seat, the first spring, regulating valve, second spring and the second fixed seat, first fixed seat and the socket of the second fixed seat are connected through a screw thread, first fixed seat forms hollow cylindrical housings after being connected with the second fixed seat, the first spring, regulating valve and second spring are located in shell inner hole；Regulating valve is placed in the space formed after the first fixed seat is connected with the second fixed seat, by the way that the first spring, regulating valve and second spring are sequentially sleeved in the first fixed column, the end of the first fixed column is inserted into the second location hole of the second fixed column again, realize that the liquid for no matter entering shell or gas are flowed toward which direction, regulating valve can play the role of controlling flow.
Description
Technical field
No matter liquid in pipeline or gas are that flowing can control flow forward or backwards the present invention relates to a kind of
Two-way valve belongs to the optimisation technique of flow control valve.
Background technology
Connection between water supply pipe, the connection between water pipe and tap are all realized by connector.To building
Supply water, it is general there are two types of mode, one is use booster pump from bottom to top send water mode, one is disposing water tank in roof,
By water-head convey from top to bottom in the way of.It is either any to send water mode, different floor hydraulic pressure also be different, it can lead
Cause different floor water yields different.Therefore, water pipe head designs with balanced-out water now with some, it is intended to make different buildings
The water yield of layer tends to identical.
Especially domestic consumer, since each leading purposes is different, the requirement to water yield is also different, for example, kitchen wash vegetables
Washing one's face for tap and toilet and sprays head etc. at tap, and due to the difference of purposes, the requirement to water yield is also different, such as washes
The water yield of face tap be maintained at 4 liters/min it is just much of that, and spray the water yield requirement of head at 8 liters/min or more.
Adjusting for gas flow, there is also same problems.In general, the flow direction of liquid-transport pipe-line or gas pipeline is all
Unidirectional, there are some to be suitable for the valve of the control flow of liquid-transport pipe-line or gas pipeline, but these valves are usually applicable only to
Control unidirectional flow.But in some special occasions, may there are problems that reverse flow, the valve of existing control liquid measure
Be typically only capable to unidirectionally controlled flow, when in pipeline liquid or gas need reverse flow when, these valves cannot play control
The effect of liquid measure processed may interfere the reverse flow of liquid or gas instead.
It is, thus, sought for a kind of, no matter liquid in pipeline or gas are forward flow or reverse flow to rise
To the flow control valve of the effect of control flow.
Invention content
The purpose of the present invention is:There is provided it is a kind of no matter liquid in pipeline or gas be forward flow or reverse flow all
It can play the role of controlling the flow control valve of flow.
The technical scheme is that：A kind of bidirectional traffics control valve, mainly by the first fixed seat 1, the first spring 2, tune
Valve 3, second spring 4 and the second fixed seat 5 composition are saved, the first fixed seat and the second fixed seat are socketed or are connected through a screw thread, the
One fixed seat forms hollow cylindrical housings after being connected with the second fixed seat, the first spring, regulating valve and second spring are located at
In shell inner hole；It is equipped with to the one of inner process in the first fixed seat inner wall and encloses first boss 11, in the first fixed seat far from second
It is equipped with first support 12 between one end and first boss 11 of fixed seat, is equipped with towards second and fixes at the center of first support 12
Seat cylindrical first fixed column 13 outstanding is equipped with to the one of inner process in 5 inner wall of the second fixed seat and encloses second boss 51, the
It is equipped with second support 52 between two fixed seats one end and second boss far from the first fixed seat, is equipped at the center of second support
Towards the second fixed column of cylinder 53 of the first fixed seat, end of second fixed column far from second support is equipped with to second support
The second location hole 54 of direction recess；The regulating valve 3 is equipped with the central through hole coordinated with the first fixed column, in the work of external force
Under, regulating valve 3 can be moved forward and backward along the first fixed column；The regulating valve is along its center vertical with shell central axes
Section is divided into towards the part of first support and towards the part of second support, towards the part of first support and towards second
The part of frame mirror image each other；The regulating valve is cone towards the part of first support, and the vertex of a cone is towards first support；Assembling
When, by the first spring pocket in the first fixed column, then regulating valve is sleeved in the first fixed column, then second spring is sleeved on first
In fixed column, finally the first fixed seat is connected with the second fixed seat, end of first fixed column far from first support is made to enter
Second location hole 54；The stop bit cylinder extended to second support direction, stop bit circle are set around the first fixed column root
The end of column is between first support and the central point of first boss；The center that the outer diameter of second fixed column is more than regulating valve is logical
The aperture in hole, the length of the second fixed column is less than the distance between second support to second boss central point；In use, by two-way
Flow control valve is filled in pipeline and is positioned, and when the upstream end of shell has enough pressure, pressure overcomes the first spring or second
The first spring of pre-stressed compression or second spring of spring, make regulating valve be moved to the direction of outlet end, and regulating valve is convex to second
Platform or first boss movement, keep the gap between regulating valve and second boss or first boss smaller and smaller, when regulating valve maximum
When the position of outer diameter is moved to the place of second boss or first boss aperture minimum, by the position-limiting action of the second fixed column or
The position-limiting action of stop bit cylinder in one fixed column, regulating valve stop movement.
When no hydraulic pressure or air pressure push regulating valve, during regulating valve is between first boss and second boss
Heart point.
When no hydraulic pressure or air pressure push regulating valve, the wall surface of first boss and second boss towards regulating valve is mutual
For mirror image, the two shape is identical, and size is also identical.
The external screw thread that setting matches with the internal thread in inner bore of pipeline outside shell, shell is screwable into pipeline.
The outwardly projecting circle flange of setting in one end of shell, it is prominent on shell after filling in shell in pipeline
Edge is played the role of positioning by the extruding of pipe ends.
Directly the both ends of shell are connected by screw thread with the both ends of pipeline respectively or are connected by being socketed or are directly welded
Together.
Advantageous effect：
1, regulating valve is placed in the space formed after the first fixed seat is connected with the second fixed seat, by by the first bullet
Spring, regulating valve and second spring are sequentially sleeved in the first fixed column, then the end of the first fixed column is inserted into the second fixed column
In second location hole, realize that the liquid for no matter entering shell or gas are flowed toward which direction, regulating valve can play control
The effect of flow.
Description of the drawings
Fig. 1 is the surface structure schematic diagram of the angle of the present invention；
Fig. 2 is the surface structure schematic diagram of another angle of the present invention；
Fig. 3 is the explosive view of the present invention；
Fig. 4 is the fragmentary sectional view of Fig. 3；
Fig. 5 is the partial cutaway schematic that the present invention is in pressure balance；
Fig. 6 is that right atrial pressure that the present invention is subject in regulating valve is larger and the partial cutaway schematic that is moved to the left.
Specific implementation mode
As shown in Fig. 1 to Fig. 6, a kind of bidirectional traffics control valve, mainly by the first fixed seat 1, the first spring 2, regulating valve
3, second spring 4 and the second fixed seat 5 composition, the first fixed seat form hollow circular cylindrical shell after being connected with the second fixed seat
Body, the first spring, regulating valve and second spring are located in shell inner hole.
It is equipped with to the one of inner process in the first fixed seat inner wall and encloses first boss 11, fixed far from second in the first fixed seat
It is equipped with first support 12 between one end and first boss 11 of seat, is equipped at the center of first support 12 prominent towards the second fixed seat
The first fixed column of cylinder 13 gone out is equipped with to the one of inner process in 5 inner wall of the second fixed seat and encloses second boss 51, solid second
It is equipped with second support 52 between reservation one end and second boss far from the first fixed seat, direction is equipped at the center of second support
The second fixed column of cylinder 53 of first fixed seat, end of second fixed column far from second support are equipped with to second support direction
The second location hole 54 of recess；The regulating valve 3 is equipped with the central through hole coordinated with the first fixed column, in the effect of external force
Under, regulating valve 3 can be moved forward and backward along the first fixed column；The regulating valve along its it is vertical with shell central axes in it is anxious
Face is divided into towards the part of first support and towards the part of second support, towards the part of first support and towards second support
Part mirror image each other；The regulating valve is cone towards the part of first support, and the vertex of a cone is towards first support；Assembling
When, by the first spring pocket in the first fixed column, then regulating valve is sleeved in the first fixed column, then second spring is sleeved on first
In fixed column, finally the first fixed seat is connected with the second fixed seat, end of first fixed column far from first support is made to enter
Second location hole 54.
First fixed seat and the socket of the second fixed seat are connected through a screw thread, or are welded directly together.
When no hydraulic pressure or air pressure push regulating valve, during regulating valve is between first boss and second boss
Heart point.When no hydraulic pressure or air pressure push regulating valve, first boss and second boss towards regulating valve wall surface each other
Mirror image, i.e. the two shape is identical, and size is also identical.
It is arranged for fixing the first spring around the central through hole of regulating valve on end face of the regulating valve towards first support
The first groove, on end face of the regulating valve towards second support around regulating valve central through hole be arranged for fixing the second bullet
Second groove of spring.
To reinforce the enabling capabilities of first support, by the connecting portion of first support and first boss along the outer of first boss
Wall extends to the minimum place in first boss aperture.
To reinforce the enabling capabilities of second support, by the connecting portion of second support and second boss along the outer of second boss
Wall extends to the minimum place in second boss aperture.
The first support and second support is linear type or triangle or cross.
13 outer wall of the first fixed column between 12 center of first boss 11 and first support is equipped with outwardly projecting stop bit
Flange, the central point for preventing regulating valve from crossing first boss are moved to the direction of first support, i.e. regulating valve largest outside diameter
Place reach the place of first boss aperture minimum after, by the inhibition of the first fixation column outer wall stop bit flange, regulating valve
It can not be moved again to the direction of first support, i.e., the pressure that ought be applied in regulating valve is more than preset Pressure maximum value
When, regulating valve can not be pushed to be moved to the direction of first support again.
The stop bit flange for being located at the first fixation column outer wall, can also be around the first fixed column root to second
The stop bit cylinder or a stop bit rib that frame direction extends, the end of the stop bit cylinder or stop bit rib are located at first support and the
Between the central point of one boss, likewise, behind the place of the place arrival first boss aperture minimum of regulating valve largest outside diameter, just
It can not be moved again to the direction of first support by the inhibition of stop bit cylinder or stop bit rib.
The outer diameter of second fixed column is more than the aperture of the central through hole of regulating valve, and the length of the second fixed column is less than second
Frame is the distance between to second boss central point, for preventing regulating valve from crossing the central point of second boss to the side of second support
It is hindered to movement by the second fixed column that is, behind the place of the place arrival second boss aperture minimum of regulating valve largest outside diameter
Effect, regulating valve can not be moved to the direction of second support again, i.e., the pressure that ought be applied in regulating valve is more than to preset
Pressure maximum value when, can not push again regulating valve to the direction of second support move.
In use, by bidirectional traffics control valve plug into positioning in pipeline, when the upstream end of shell has enough pressure, pressure
Power overcomes the first spring or the first spring of pre-stressed compression or second spring of second spring, makes direction of the regulating valve to outlet end
Mobile, regulating valve is moved to second boss or first boss, and the gap between regulating valve and second boss or first boss is made to get over
It is next smaller, when the position of regulating valve maximum outside diameter is moved to the place of second boss or first boss aperture minimum, by second
The position-limiting action of stop bit flange on the position-limiting action of fixed column or the first fixed column, regulating valve stop movement, second spring and
First spring will not further be compressed.
To realize the positioning of bidirectional traffics control valve in the duct, setting and the internal thread phase in inner bore of pipeline outside shell
Matched external screw thread, shell is screwable into pipeline, or in the outwardly projecting circle flange of one end of shell setting, being used for will
After shell is filled in pipeline, the flange on shell is played the role of positioning by the extruding of pipe ends；Alternatively, directly by shell
Both ends be connected respectively by screw thread with the both ends of pipeline or by be socketed be connected or be welded directly together.
Above-described embodiment is intended merely to the purposes of the interpretation present invention, and is not limitation of the present invention, this technology
The those of ordinary skill in field makes a variety of changes or substitutes in the essential scope of the present invention, should also belong to the guarantor of the present invention
Protect scope.
Claims (6)
1. a kind of bidirectional traffics control valve, it is characterised in that：Mainly by the first fixed seat (1), the first spring (2), regulating valve
(3), second spring (4) and the second fixed seat (5) composition, the first fixed seat and the socket of the second fixed seat are connected through a screw thread,
First fixed seat forms hollow cylindrical housings, the first spring, regulating valve and second spring position after being connected with the second fixed seat
In shell inner hole；It is equipped with the circle first boss (11) to inner process in the first fixed seat inner wall, it is separate in the first fixed seat
It is equipped with first support (12) between one end of second fixed seat and first boss (11), court is equipped at the center of first support (12)
To the second fixed seat cylindrical first fixed column (13) outstanding, the circle to inner process is equipped in the second fixed seat (5) inner wall
Second boss (51) is equipped in the one end of the second fixed seat far from the first fixed seat and between second boss second support (52),
It is equipped with the second fixed column of cylinder (53) towards the first fixed seat at the center of second support, the second fixed column is far from second
The end of frame is equipped with the second location hole (54) being recessed to second support direction；The regulating valve (3) is equipped with fixes with first
The central through hole of column cooperation, under the effect of external force, regulating valve (3) can be moved forward and backward along the first fixed column；The tune
Section valve is divided into towards the part of first support along its center section vertical with shell central axes and towards the part of second support,
Part towards the part of first support and towards second support mirror image each other；The regulating valve is towards the part of first support
For cone, the vertex of a cone is towards first support；When assembling, by the first spring pocket in the first fixed column, then regulating valve is sleeved on
In one fixed column, then second spring is sleeved in the first fixed column, the first fixed seat is connected with the second fixed seat finally, makes
End of one fixed column far from first support enters second location hole (54)；It is arranged to second support around the first fixed column root
The stop bit cylinder that direction extends, the end of the stop bit cylinder is between first support and the central point of first boss；
The outer diameter of second fixed column is more than the aperture of the central through hole of regulating valve, and the length of the second fixed column is arrived less than second support
The distance between second boss central point；In use, by bidirectional traffics control valve plug into positioning in pipeline, when the upstream end of shell
When having enough pressure, pressure overcomes the first spring or the first spring of pre-stressed compression or second spring of second spring, makes tune
It saves valve to move to the direction of outlet end, regulating valve is moved to second boss or first boss, makes regulating valve and second boss or the
Gap between one boss is smaller and smaller, when the position of regulating valve maximum outside diameter is moved to second boss or first boss aperture most
When small place, by the position-limiting action of the stop bit cylinder in the position-limiting action of the second fixed column or the first fixed column, regulating valve is stopped
Only move.
2. bidirectional traffics control valve according to claim 1, it is characterised in that：Regulating valve is pushed in no hydraulic pressure or air pressure
When, central point of the regulating valve between first boss and second boss.
3. bidirectional traffics control valve according to claim 1, it is characterised in that：Regulating valve is pushed in no hydraulic pressure or air pressure
When, towards the wall surface mirror image each other of regulating valve, the two shape is identical for first boss and second boss,
Size is also identical.
4. bidirectional traffics control valve according to claim 1, it is characterised in that：Outside shell in setting and inner bore of pipeline
The external screw thread that internal thread matches, shell is screwable into pipeline.
5. bidirectional traffics control valve according to claim 1, it is characterised in that：In one end of shell, setting is outwardly projecting
One circle flange, after filling in shell in pipeline, the flange on shell is played the role of positioning by the extruding of pipe ends.
6. bidirectional traffics control valve according to claim 1, it is characterised in that：Directly by the both ends of shell respectively with pipeline
Both ends by screw thread be connected or by be socketed be connected or be welded directly together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810116656.8A CN108374920B (en) | 2016-01-07 | 2016-01-07 | A kind of bidirectional traffics control valve |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610012721.3A CN105508676B (en) | 2016-01-07 | 2016-01-07 | A kind of bidirectional traffics control valve |
| CN201810116656.8A CN108374920B (en) | 2016-01-07 | 2016-01-07 | A kind of bidirectional traffics control valve |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610012721.3A Division CN105508676B (en) | 2016-01-07 | 2016-01-07 | A kind of bidirectional traffics control valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108374920A true CN108374920A (en) | 2018-08-07 |
| CN108374920B CN108374920B (en) | 2019-07-02 |
Family
ID=55716872
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810116264.1A Pending CN108386586A (en) | 2016-01-07 | 2016-01-07 | A kind of flow control valve |
| CN201610012721.3A Active CN105508676B (en) | 2016-01-07 | 2016-01-07 | A kind of bidirectional traffics control valve |
| CN201810116656.8A Expired - Fee Related CN108374920B (en) | 2016-01-07 | 2016-01-07 | A kind of bidirectional traffics control valve |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810116264.1A Pending CN108386586A (en) | 2016-01-07 | 2016-01-07 | A kind of flow control valve |
| CN201610012721.3A Active CN105508676B (en) | 2016-01-07 | 2016-01-07 | A kind of bidirectional traffics control valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (3) | CN108386586A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113757425A (en) * | 2021-08-31 | 2021-12-07 | 西安热工研究院有限公司 | Wide-load self-adaptive variable flow area throttling and pressure stabilizing structure and method |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108386586A (en) * | 2016-01-07 | 2018-08-10 | 余丽红 | A kind of flow control valve |
| CN107725853B (en) * | 2017-11-14 | 2023-12-05 | 吉林大学 | Pressure-based flow self-regulating control valve |
| CN114233902A (en) * | 2021-11-09 | 2022-03-25 | 中国长江电力股份有限公司 | Gauge front pipe fitting capable of being automatically closed in case of pressure loss |
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| CN204717186U (en) * | 2015-06-10 | 2015-10-21 | 长乐市丽智产品设计有限公司 | A kind of water supply pipe flow control valve |
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2016
- 2016-01-07 CN CN201810116264.1A patent/CN108386586A/en active Pending
- 2016-01-07 CN CN201610012721.3A patent/CN105508676B/en active Active
- 2016-01-07 CN CN201810116656.8A patent/CN108374920B/en not_active Expired - Fee Related
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| DE1708082A1 (en) * | 1966-05-23 | 1971-04-22 | Hugo Rickenbach | Facility for air raids |
| DE2547470A1 (en) * | 1975-10-23 | 1977-04-28 | Interatom | Safety valve closure upstream of burst duct - has spring-loaded closure plug actuated by change in flow dynamics |
| US5280131A (en) * | 1992-07-06 | 1994-01-18 | Sarro Claude A | Fluid-filled electric power cable system with two-way piston check valve |
| CN104653917A (en) * | 2013-11-25 | 2015-05-27 | 中山市雅西环保科技有限公司 | Bidirectional adjustment water pipe joint |
| CN204717186U (en) * | 2015-06-10 | 2015-10-21 | 长乐市丽智产品设计有限公司 | A kind of water supply pipe flow control valve |
| CN105508676A (en) * | 2016-01-07 | 2016-04-20 | 中山市雅西环保科技有限公司 | Bidirectional flow control valve |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113757425A (en) * | 2021-08-31 | 2021-12-07 | 西安热工研究院有限公司 | Wide-load self-adaptive variable flow area throttling and pressure stabilizing structure and method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105508676B (en) | 2018-03-27 |
| CN108374920B (en) | 2019-07-02 |
| CN108386586A (en) | 2018-08-10 |
| CN105508676A (en) | 2016-04-20 |
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