CN109695739A - Direct-acting triple valve - Google Patents
Direct-acting triple valve Download PDFInfo
- Publication number
- CN109695739A CN109695739A CN201711005158.8A CN201711005158A CN109695739A CN 109695739 A CN109695739 A CN 109695739A CN 201711005158 A CN201711005158 A CN 201711005158A CN 109695739 A CN109695739 A CN 109695739A
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- China
- Prior art keywords
- valve
- direct
- valve chamber
- core assembly
- nut
- 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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Classifications
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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
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
- F16K11/06—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements
- F16K11/065—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with linearly sliding closure members
- F16K11/07—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with linearly sliding closure members with cylindrical slides
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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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/50—Mechanical actuating means with screw-spindle or internally threaded actuating means
- F16K31/508—Mechanical actuating means with screw-spindle or internally threaded actuating means the actuating element being rotatable, non-rising, and driving a non-rotatable axially-sliding element
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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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/53—Mechanical actuating means with toothed gearing
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Multiple-Way Valves (AREA)
- Sliding Valves (AREA)
Abstract
The present invention provides a kind of direct-acting triple valves.The direct-acting triple valve includes driving mechanism and valve body, valve body includes the first valve chamber, second valve chamber and third valve chamber, first valve chamber and the second valve chamber are connected to by the first valve port, second valve chamber is connected to third valve chamber by the second valve port, the first adapter tube is additionally provided on valve body, second adapter tube and third adapter tube, sliding is provided with core assembly in second valve chamber, core assembly has the first position for closing the first valve port, close the second position of the second valve port, and open simultaneously the third place of the first valve port and the second valve port, the circumferential locating part for preventing core assembly from rotating relative to valve body is provided between core assembly and valve body, driving mechanism drives core assembly to slide along the axial direction of valve body.The fluid flow of communicating passage can be adjusted in direct-acting triple valve according to the present invention, and structure is simple.
Description
Technical field
The present invention relates to valve technology fields, more particularly to a kind of direct-acting triple valve.
Background technique
Triple valve in the prior art, majority are for controlling fluid flow direction, during using the triple valve, directly
The connection between different channels is realized by regulating three-way valve.But this kind of triple valve only has the function of that flow direction is adjusted, and is switching
After communicating passage, when needing the fluid flow to communicating passage to be adjusted, need to introduce new flow control valve, not only
Number of parts is increased, cost of parts is increased, and increases the complexity of system structure.
Summary of the invention
The object of the present invention is to provide a kind of direct-acting triple valves, and the fluid flow of communicating passage can be adjusted,
Structure is simple.
In order to solve the above technical problems, providing a kind of direct-acting triple valve, including drive as one aspect of the present invention
Motivation structure and valve body, valve body include the first valve chamber, the second valve chamber and third valve chamber, and the first valve chamber and the second valve chamber pass through the first valve
Mouthful connection, the second valve chamber is connected to third valve chamber by the second valve port, and the first adapter tube is additionally provided on valve body, second is taken over and the
Three adapter tubes, the first adapter tube are connected to the first valve chamber, and the second adapter tube is connected to the second valve chamber, and third adapter tube is connected to third valve chamber,
Sliding is provided with core assembly in second valve chamber, and core assembly has the first position for closing the first valve port, closes the second valve port
The second position and open simultaneously the third place of the first valve port and the second valve port, be provided between core assembly and valve body
The circumferential locating part for preventing core assembly from rotating relative to valve body, driving mechanism and core assembly are drivingly connected, and drive spool group
Part is slided along the axial direction of valve body.
Direct-acting triple valve of the invention, driving mechanism drive core assembly along valve body axial direction sliding without
It relatively rotates, therefore the movement that core assembly is only upper and lower during kinesthesia, will not rotate friction between valve body,
The abrasion for reducing the guide frame of core assembly improves the service life of core assembly and guide frame.Pass through driving machine
The position of structure adjusting spool component, drives core assembly axially to move with can be convenient, and passes through adjusting spool component
Axial position, two logical, threeways may be implemented, and flow can be adjusted according to design, realize different temperature controls
System, the flow proportional that can preferably meet triple valve, which is adjusted, to be required, and structure is simple, and cost is relatively low.
Detailed description of the invention
Fig. 1 diagrammatically illustrates the schematic cross-sectional view of the direct-acting triple valve of the embodiment of the present invention；
Fig. 2 diagrammatically illustrates the decomposition texture schematic diagram of the core assembly of the direct-acting triple valve of the embodiment of the present invention；
Fig. 3 diagrammatically illustrates the first seperated schematic cross-sectional view of the direct-acting triple valve of the embodiment of the present invention；
Fig. 4 diagrammatically illustrates the first seperated schematic perspective view of the direct-acting triple valve of the embodiment of the present invention；
The direct-acting triple valve that Fig. 5 diagrammatically illustrates the embodiment of the present invention is in the closing of the first valve port and the second valve port is beaten
Schematic cross-sectional view when opening；
The direct-acting triple valve that Fig. 6 diagrammatically illustrates the embodiment of the present invention is in the first valve port and the second valve port is opened
When schematic cross-sectional view；
The direct-acting triple valve that Fig. 7 diagrammatically illustrates the embodiment of the present invention is in the first valve port opening and the second valve port closes
Schematic cross-sectional view when closing；
Fig. 8 diagrammatically illustrates the core assembly stroke and discharge relation figure of the direct-acting triple valve of the embodiment of the present invention.
Appended drawing reference in figure: 1, valve body；2, the first valve chamber；3, the second valve chamber；4, third valve chamber；5, the first valve port；6,
Two valve ports；7, the first adapter tube；8, the second adapter tube；9, third is taken over；10, core assembly；11, circumferential locating part；12, spiral shell is driven
Bar；13, nut；14, sliding slot；15, internal ring wall；16, the first recirculation hole；17, the second recirculation hole；18, radially installed seat；19, diameter
To mounting hole；20, valve head；21, fixinig plate；22, connection sheet；23, seal groove；24, sealing ring；25, casing；26, gear is installed
Seat；27, rotor；28, planet carrier；29, gear set；30, screw gear；31, first is seperated；32, second is seperated.
Specific embodiment
The embodiment of the present invention is described in detail below, but what the present invention can be defined by the claims and cover
Multitude of different ways is implemented.
It please refers to shown in Fig. 1 to Fig. 8, according to an embodiment of the invention, direct-acting triple valve includes driving mechanism and valve body
1, valve body 1 includes the first valve chamber 2, the second valve chamber 3 and third valve chamber 4, and the first valve chamber 2 and the second valve chamber 3 are connected by the first valve port 5
Logical, the second valve chamber 3 is connected to third valve chamber 4 by the second valve port 6, and the first adapter tube 7,8 and of the second adapter tube are additionally provided on valve body 1
Third adapter tube 9, the first adapter tube 7 are connected to the first valve chamber 2, and the second adapter tube 8 is connected to the second valve chamber 3, third adapter tube 9 and third valve
Chamber 4 is connected to, and sliding is provided with core assembly 10 in the second valve chamber 3, and core assembly 10 has first for closing the first valve port 5
The third place for setting, closing the second position of the second valve port 6 and opening simultaneously the first valve port 5 and the second valve port 6, spool group
The circumferential locating part 11 for preventing core assembly 10 from rotating relative to valve body 1, driving mechanism and valve are provided between part 10 and valve body 1
Core assembly 10 is drivingly connected, and driving core assembly 10 is slided along the axial direction of valve body 1.
Direct-acting triple valve of the invention, driving mechanism drive core assembly 10 along the axial direction sliding of valve body without sending out
It is raw to relatively rotate, therefore the movement that core assembly 10 is only upper and lower during kinesthesia, it will not rotate between valve body
Friction, reduces the abrasion of the guide frame of core assembly 10, improves the service life of core assembly 10 and guide frame.It is logical
The position of mechanism of overdriving adjusting spool component 10, drives core assembly 10 axially to move, passes through in which can be convenient
The axial position of adjusting spool component 10 may be implemented two logical, threeways, and flow can be adjusted according to design, real
Existing different temperature control, the flow proportional that can preferably meet triple valve, which is adjusted, to be required, and structure is simple, and cost is relatively low.
Preferably, driving mechanism is rotating drive mechanism, and the driving end of driving mechanism is connected with driving screw rod 12, spool group
Part 10 includes the nut 13 being set in outside driving screw rod 12, and circumferential locating part 11 includes the limit that 13 peripheral side of nut is arranged in
It sells, is provided with the sliding slot 14 in axial direction extended in valve body 1, spacer pin is slidably arranged in sliding slot 14.The spacer pin and spiral shell
Mother 13 is fixedly connected, and circumferentially limits in sliding slot 14, can prevent nut 13 from rotating together with driving screw rod 12, thus will
The linear motion for being converted to nut 13 of screw rod 12 is driven, so that nut 13 carries out the position of up and down direction relative to valve body 1
It moves, circumferentially opposed movement will not occur, therefore would not also rotate relative to valve body 1, avoid guide frame and spool
Abrasion between component 10 improves the service life of direct-acting triple valve.
In the present embodiment, it is provided with internal ring wall 15 in the second valve chamber 3, sliding slot 14 is provided on internal ring wall 15.The inner ring
Wall 15 is set in outside core assembly 10, can be formed and is oriented to the up and down motion of core assembly 10, guarantees core assembly 10 along axis
To the accuracy and reliability of movement position.
Preferably, the first recirculation hole 16 and the second recirculation hole 17 are additionally provided on internal ring wall 15, the first recirculation hole 16 is close
The setting of first valve port 5 is arranged close to the second valve port 6, is used for for being connected to the first valve chamber 2 and the second valve chamber 3, the second recirculation hole 17
It is connected to the second valve chamber 3 and third valve chamber 4.In the present embodiment, valve body 1 includes the first fission 31 and second fission 32, and first point
Body 31 sets gradually and is fixedly connected along axial direction with the second fission 32, and internal ring wall 15 is fixed at the first fission 31 towards second
One end of fission 32, and be located in the second fission 32, and the second valve chamber 3, the first valve are formed between seperated with second 32 peripheral wall
Chamber 2 is located in the first fission 31, and third valve chamber 4 is located in the second fission 32.
The first end of first fission 31 towards the second fission 32 is formed with caulking groove, and the second fission 32 is embedded in the caulking groove,
And seperated with first 31 are fixedly connected.The internal perisporium of second fission 32 is formed with catching step, in internal ring wall 15 far from the first valve
The end of 5 one end of mouth is provided with baffle plate, and on catching step, the second valve port 6 is arranged on the baffle plate baffle plate backstop.
Preferably, the peripheral side of nut 13 is provided with radially installed seat 18, is provided with radially installed in radially installed seat 18
Hole 19, spacer pin are fixed in radially installed hole 19.Radially installed hole 19 is threaded hole, and spacer pin has external screw thread, limit
Position pin is screwed onto the threaded hole, to form radial protrusion, forms circumferential limit relative to the movement of valve body 1 to nut 13.
Certainly, radially installed hole 19 or unthreaded hole, spacer pin and unthreaded hole are interference fitted, so that spacer pin is fixed at the diameter
Into mounting hole 19.
Preferably, core assembly 10 further includes the valve head 20 that 13 both ends of nut are arranged in, and valve head 20 is set in outside nut 13,
And it is sealedly and fixedly connected between nut 13.The shape of valve head 20 be cone, so as to the first valve port 5 and the second valve port
6 form good matching relationship, guarantee that valve head 20 can form good sealing to the first valve port 5 and the second valve port 6.
Preferably, one end of valve head 20 towards nut 13 is embedded with fixinig plate 21 and connection sheet 22, fixinig plate 21 and valve head
20 interference fits, fixinig plate 21 and 13 clearance fit of nut, connection sheet 22 and nut 13 are interference fitted, valve head 20, fixinig plate 21,
Connection sheet 22 and nut 13 are welded and fixed after being pressed, thus guarantee to have between valve head 20 and nut 13 good positioning relation and
Seal fiting effect.
Preferably, valve head 20 has seal groove 23, and sealing ring 24 is provided in seal groove 23, and driving screw rod 12 is threaded through close
In seal 24.Driving screw rod 12 includes light bar segment and thread segment, and wherein light bar segment is cooperated with sealing ring 24, thread segment and spiral shell
Mother 13 is cooperated, on the basis of guaranteeing effective guiding to core assembly 10, may further ensure that drive screw rod 12 and
Sealing performance between core assembly 10.
In the present embodiment, direct-acting triple valve further includes casing 25, and casing 25 is fixedly connected with valve body 1, in casing 25
It is fixedly installed gear installation base 26, driving mechanism is arranged on gear installation base 26.The top of the gear installation base 26 is arranged
There is locating plate, gear installation base 26 is fixedly mounted in casing 25 by locating plate.The setting of gear installation base 26 is in driving screw rod
12 end can form axially position to driving screw rod 12, axial displacement occurs during preventing driving screw rod 12 from working,
Guarantee the reliability that driving screw rod 12 drives nut 13.
Preferably, driving mechanism includes rotor 27, planet carrier 28 and gear set 29, and the driving end of driving screw rod 12 is provided with
Screw gear 30, gear set 29 and screw gear 30 are drivingly connected, and planet carrier 28 is rotatably sleeved on gear installation base 26,
Rotor 27 is fixedly connected with planet carrier 28, and gear set 29 is arranged on planet carrier 28.
The upper end of valve body 1 is provided with step guide section, can be welded as a whole with the lower end of casing 25, thus by valve body
1 and casing 25 be fixed together.Coil is arranged with outside casing 25, coil can drive rotor 27 to rotate, and then pass through
Rotor 27 drives planet carrier 28 and gear set 29 to rotate, to drive driving screw rod 12 to rotate, so that core assembly 10 is along axis
To up and down motion, two logical and threeway controls of triple valve are realized.
Valve body 1 is provided with catching step towards the open at one end of driving mechanism, and upper cover is provided at catching step
Plate, the upper cover plate are fitted on valve body 1, and are fixed by circumference soldering.Driving screw rod 12 be threaded through in the upper cover plate, and with it is upper
Centre bore clearance fit on cover board, to play guiding role to driving screw rod 12 by upper cover plate.
The injection molding of rotor 27 and planet carrier 28 is integrated, gear set 29 be mounted on planet carrier 28 and with 28 gap of planet carrier
Cooperation, so that the gear on gear set 29 is rotatably arranged on planet carrier 28.Tabletting is riveted on planet carrier 28, thus real
Now to the axial limiting of gear set 29.The bottom of planet carrier 28 is contacted with the upper surface of upper cover plate, realizes the axial direction of planet carrier 28
Limit, occurs axial float when rotor being avoided to rotate.
The upper end of driving screw rod 12 is connected by D type hole with screw gear 30, and the lower end of screw rod 12 and second point are driven
Bottom centre's interporal lacuna of body 32 cooperates, and drives the upper surface of screw rod 12 and the lower end surface clearance fit of gear installation base 26, real
Now to the axial limiting of driving screw rod 12, driving screw rod 12 is freely rotatable.
In conjunction with referring to shown in Fig. 5 to Fig. 8, when driving screw rod 12 that core assembly 10 is driven to move to upper limit position, this
When core assembly block the first valve port 5, the second valve port 6 is opened, and the flow at the first valve port 5 is 0%, the stream at the second valve port 6
Amount ratio is 100%.When core assembly 10 moves to middle position, the first valve port 5 and the equal standard-sized sheet of the second valve port 6, at this time
Flow proportional at one valve port 5 and the second valve port 6 is 100%.When core assembly 10 moves to lower limit position, valve at this time
Core assembly blocks the second valve port 6, and the first valve port 5 is opened, and the flow at the second valve port 6 is 0%, the flow-rate ratio at the first valve port 5
Example is 100%.
These are only the preferred embodiment of the present invention, is not intended to restrict the invention, for those skilled in the art
For member, the invention may be variously modified and varied.All within the spirits and principles of the present invention, it is made it is any modification,
Equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of direct-acting triple valve, which is characterized in that including driving mechanism and valve body (1), the valve body (1) includes the first valve
Chamber (2), the second valve chamber (3) and third valve chamber (4), first valve chamber (2) and second valve chamber (3) pass through the first valve port
(5) it is connected to, second valve chamber (3) is connected to the third valve chamber (4) by the second valve port (6), is also set on the valve body (1)
It is equipped with the first adapter tube (7), the second adapter tube (8) and third adapter tube (9), first adapter tube (7) and first valve chamber (2) are even
Logical, second adapter tube (8) is connected to second valve chamber (3), and the third adapter tube (9) is connected to the third valve chamber (4),
Sliding is provided with core assembly (10) in second valve chamber (3), and the core assembly (10), which has, closes the first valve port (5)
First position, the second position for closing the second valve port (6) and the third for opening simultaneously the first valve port (5) and the second valve port (6)
Position, being provided between the core assembly (10) and the valve body (1) prevents the core assembly (10) relative to the valve
The circumferential locating part (11) of body (1) rotation, the driving mechanism and the core assembly (10) are drivingly connected, and drive the spool
Component (10) is slided along the axial direction of the valve body (1).
2. direct-acting triple valve according to claim 1, which is characterized in that the driving mechanism is rotating drive mechanism,
The driving end of the driving mechanism is connected with driving screw rod (12), and the core assembly (10) includes being set in the driving screw rod
(12) outside nut (13), the circumferential direction locating part (11) includes spacer pin of the setting in the nut (13) peripheral side, described
The sliding slot (14) in axial direction extended is provided in valve body (1), the spacer pin is slidably arranged in sliding slot (14).
3. direct-acting triple valve according to claim 2, which is characterized in that be provided with inner ring in second valve chamber (3)
Wall (15) is provided with the sliding slot (14) on the internal ring wall (15).
4. direct-acting triple valve according to claim 3, which is characterized in that be additionally provided with first on the internal ring wall (15)
Recirculation hole (16) and the second recirculation hole (17), first recirculation hole (16) is arranged close to first valve port (5), for being connected to
First valve chamber (2) and second valve chamber (3), second recirculation hole (17) are arranged close to second valve port (6), use
In connection second valve chamber (3) and the third valve chamber (4).
5. direct-acting triple valve according to claim 2, which is characterized in that the peripheral side of the nut (13) is provided with diameter
To mounting base (18), radially installed hole (19) are provided in the radially installed seat (18), the spacer pin is fixed at institute
It states in radially installed hole (19).
6. direct-acting triple valve according to claim 2, which is characterized in that the core assembly (10) further includes that setting exists
The valve head (20) at nut (13) both ends, the valve head (20) are set in the nut (13) outside, and with the nut (13)
Between be sealedly and fixedly connected.
7. direct-acting triple valve according to claim 6, which is characterized in that the valve head (20) is towards the nut (13)
One end be embedded with fixinig plate (21) and connection sheet (22), the fixinig plate (21) and the valve head (20) are interference fitted, described
Fixinig plate (21) and the nut (13) clearance fit, the connection sheet (22) and the nut (13) are interference fitted, the valve
It is welded and fixed after head (20), the fixinig plate (21), the connection sheet (22) and the nut (13) press fitting.
8. direct-acting triple valve according to claim 6, which is characterized in that the valve head (20) has seal groove (23),
It is provided with sealing ring (24) in the seal groove (23), the driving screw rod (12) is threaded through in the sealing ring (24).
9. direct-acting triple valve according to claim 2, which is characterized in that the direct-acting triple valve further includes casing
(25), described sleeve pipe (25) is fixedly connected with the valve body (1), is fixedly installed gear installation base in described sleeve pipe (25)
(26), the driving mechanism is arranged on the gear installation base (26).
10. direct-acting triple valve according to claim 9, which is characterized in that the driving mechanism includes rotor (27), row
The driving end of carrier (28) and gear set (29), driving screw rod (12) is provided with screw gear (30), the gear set
(29) it is drivingly connected with the screw gear (30), the planet carrier (28) is rotatably sleeved on the gear installation base (26)
On, the rotor (27) is fixedly connected with the planet carrier (28), and the gear set (29) is arranged on the planet carrier (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711005158.8A CN109695739B (en) | 2017-10-24 | 2017-10-24 | Direct-acting three-way valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711005158.8A CN109695739B (en) | 2017-10-24 | 2017-10-24 | Direct-acting three-way valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109695739A true CN109695739A (en) | 2019-04-30 |
| CN109695739B CN109695739B (en) | 2021-12-07 |
Family
ID=66229366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711005158.8A Active CN109695739B (en) | 2017-10-24 | 2017-10-24 | Direct-acting three-way valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109695739B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113915376A (en) * | 2021-11-04 | 2022-01-11 | 哈尔滨工业大学 | Transmission converter of digital valve |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0907046A1 (en) * | 1997-10-02 | 1999-04-07 | Giorgio Scanferla | Improved valve assembly for heating systems and water-heating apparatuses |
| CN201916532U (en) * | 2011-01-06 | 2011-08-03 | 佛山市三俊电子股份有限公司 | High-precision numerical-control thermostatic valve |
| JP2011190920A (en) * | 2010-03-17 | 2011-09-29 | Fuji Koki Corp | Three-way electrically operated valve, and heat pump device equipped with the same |
| CN103090046A (en) * | 2011-11-01 | 2013-05-08 | 通用汽车环球科技运作有限责任公司 | Drive system for an electro-mechanical three-way dual seat valve |
| CN104791536A (en) * | 2014-01-20 | 2015-07-22 | 浙江三花股份有限公司 | Direct-acting type electric valve |
-
2017
- 2017-10-24 CN CN201711005158.8A patent/CN109695739B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0907046A1 (en) * | 1997-10-02 | 1999-04-07 | Giorgio Scanferla | Improved valve assembly for heating systems and water-heating apparatuses |
| JP2011190920A (en) * | 2010-03-17 | 2011-09-29 | Fuji Koki Corp | Three-way electrically operated valve, and heat pump device equipped with the same |
| CN201916532U (en) * | 2011-01-06 | 2011-08-03 | 佛山市三俊电子股份有限公司 | High-precision numerical-control thermostatic valve |
| CN103090046A (en) * | 2011-11-01 | 2013-05-08 | 通用汽车环球科技运作有限责任公司 | Drive system for an electro-mechanical three-way dual seat valve |
| CN104791536A (en) * | 2014-01-20 | 2015-07-22 | 浙江三花股份有限公司 | Direct-acting type electric valve |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113915376A (en) * | 2021-11-04 | 2022-01-11 | 哈尔滨工业大学 | Transmission converter of digital valve |
| CN113915376B (en) * | 2021-11-04 | 2024-04-30 | 哈尔滨工业大学 | Transmission converter of digital valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109695739B (en) | 2021-12-07 |
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