CN109973690A - Water compensating valve water route component and its wall-hung boiler heating system - Google Patents
Water compensating valve water route component and its wall-hung boiler heating system Download PDFInfo
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- CN109973690A CN109973690A CN201711447742.9A CN201711447742A CN109973690A CN 109973690 A CN109973690 A CN 109973690A CN 201711447742 A CN201711447742 A CN 201711447742A CN 109973690 A CN109973690 A CN 109973690A
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- Prior art keywords
- water route
- water
- valve
- moisturizing
- component
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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
- 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
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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
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—Valve members
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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
- F16K15/00—Check valves
- F16K15/02—Check valves with guided rigid valve members
- F16K15/06—Check valves with guided rigid valve members with guided stems
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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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/0209—Check valves or pivoted valves
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Central Heating Systems (AREA)
Abstract
The present invention provides a kind of water compensating valve water route component and its wall-hung boiler heating system, the water route component includes the first water route, second water route and moisturizing water route, it is interconnected between first water route and second water route by the moisturizing water route, the moisturizing water route is to inject the fluid in first water route in second water route, water compensating valve is equipped in the moisturizing water route, the water compensating valve includes the moisturizing valve rod assembly and check-valves to be connected to moisturizing valve passage with the first water route and in the moisturizing valve passage, the check-valves is located at moisturizing valve rod assembly front end and to be connected to each other sealing with moisturizing valve rod assembly front end.Wall-hung boiler heating system provided by the invention uses above-mentioned water route component, and the water flow in heating water route can be prevented to be back in bathroom water route, avoid pollution of the water quality by the heating water route in the bathroom water route.
Description
Technical field
The present invention relates to Home Heating technical fields, and in particular to a kind of wall hanging furnace plate changes the water compensating valve water route component in water route
And its wall-hung boiler heating system.
Background technique
In family's heating technology field, heating of the wall-hung boiler heating system because of its higher heat supply efficiency and relative moderate
Cost is just gradually by the favor of consumer.Wall-hung boiler heating system is integrated with and mentions while meeting Home Heating and needing
The function of domestic hot-water supply.
But the dirty water that heating water route often occurs in current wall-hung boiler heating system flows back into asking in bathroom water route
Topic, affects normal household water.Because protecting in moisturizing valve passage without return water in the component of domestic wall-hung boiler water route, cause to mend
Dirty water after water valve failure in heating channel is easy to flow back into bathroom channel, causes dirt to the entire circuit of bathroom and family
Dye.
Therefore, it is necessary to be improved to solve the above technical problems to the prior art.
Summary of the invention
The present invention is in order to which a kind of water flow that can be avoided heating water route for overcoming the prior art and proposing flows back into bathroom
Water compensating valve water route component and its wall-hung boiler heating system in water route.
To achieve the goals above, the present invention provides a kind of water compensating valve water route component, and the water route component includes the first water
Road, the second water route and moisturizing water route are interconnected between first water route and second water route by the moisturizing water route,
The moisturizing water route is equipped in the moisturizing water route and mends to inject the fluid in first water route in second water route
Water valve, the water compensating valve include to be connected to moisturizing valve passage and the moisturizing in the moisturizing valve passage with the first water route
Valve rod assembly and check-valves, the check-valves be located at moisturizing valve rod assembly front end and to before the moisturizing valve rod assembly
End is connected to each other sealing.
As a further improvement of the present invention, the water route component is to be applied in wall-hung boiler heating system, and described the
One water route is the bathroom water route in the wall-hung boiler heating system, and second water route is adopting in the wall-hung boiler heating system
Warm water route, it is interconnected by the moisturizing water route between the bathroom water route and the heating water route, the check-valves to
The water flow in the heating water route is prevented to be back in the bathroom water route.
As a further improvement of the present invention, the check-valves includes pasting in the moisturizing valve passage to circumferential direction
It is placed in the check valve body of one section of moisturizing valve passage, described check valve body one end is equipped with to Butt sealing moisturizing valve rod assembly
Annular check valve seal receptacle, the other end is equipped with the check valve spool to seal the first water route.
As a further improvement of the present invention, the check valve spool is equipped with mutually to seal with check valve body end face
Gasket seal, between the check valve spool and check valve seal seat be equipped with elastomer.
As a further improvement of the present invention, the check valve seal seat internal diameter is less than check valve body internal diameter, the bullet
Property body one end is held on the check valve seal seat, and the other end is mutually pushed up with check valve spool and held.
As a further improvement of the present invention, the annular check valve seal receptacle is equipped with water compensating valve seal face, described
Moisturizing valve rod assembly end periphery is arranged with end O-ring, and the end O-ring with the water compensating valve seal face to match
Combined pressure is closely sealed to realize that water compensating valve opens and closes.
As a further improvement of the present invention, check valve seal seat side is equipped with logical closely to post water compensating valve
First O-ring of road wall surface.
As a further improvement of the present invention, the check valve body side is equipped with closely to post moisturizing valve passage
Second O-ring of wall surface.
As a further improvement of the present invention, the water compensating valve channel wall is concavely provided with cyclic annular mounting groove, the installation
It is equipped in slot to support the split washer for positioning the check valve seal seat.
Following technical solution also can be used in the present invention:
A kind of wall-hung boiler heating system, the wall-hung boiler heating system include wall-hung boiler and are connected with the wall-hung boiler
Water compensating valve water route component, the water route component can be avoided second water route in the wall-hung boiler heating system and be back to institute
It states in the first water route.
Check-valves is incorporated into the water inlet passageway of water compensating valve front end by the present invention, prevents sewage backflow, pollutes domestic water,
Return water protection can be formed in the case where moisturizing defective valve, effectively prevent dirty water in heating channel to flow backward, prevent from polluting.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of water route component of the present invention.
Fig. 2 is the schematic cross-sectional view of water route component shown in Fig. 1.
Fig. 3 is the partial enlarged view of water route component shown in Fig. 3.
Fig. 4 is the partial enlarged view of another use state in Fig. 3.
Main element symbol description
10 first water route 11 of water route component
111 water inlet 112 of bathroom water route
114 water sensor 115 of water compensating valve
Second water route, 12 heating water route 121
1211 second interface 1212 of first interface
4th interface, 1214 moisturizing water route 13
131 check-valves 2 of moisturizing channel
21 split washer 22 of moisturizing valve rod assembly
23 water compensating valve seal face 231 of check valve seal seat
First O-ring, 24 second O-ring 25
26 check valve spool 27 of spring
28 gasket seal 29 of check valve body
201 moisturizing valve passage 202 of end O-ring
Wall surface 203
The present invention that the following detailed description will be further explained with reference to the above drawings.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
It should be noted that it can be directly on another component when component is referred to as " being installed in " another component
Or there may also be components placed in the middle.When a component is considered as " being set to " another component, it, which can be, is directly set
Set on another component or may be simultaneously present component placed in the middle.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term as used herein " and/or " it include one or more phases
Any and all combinations of the listed item of pass.
Also referring to Fig. 1 to Fig. 4, Fig. 1 is the structural schematic diagram of water route component 10 of the invention, and water route component 10 includes
First water route 11, the second water route 12 and moisturizing water route 13, the first water route 11 are interconnected with the second water route 12 by 13 phase of moisturizing water route
Logical, to supply water into the second water route 12, water route component 10 can prevent the fluid reflux in the second water route 12 in moisturizing water route 13
To the first water route 11.In present embodiment, water route component 10 is applied in wall-hung boiler heating system, and the first water route 11 is wall hanging
Bathroom water route 111 in furnace heating system, the second water route 12 are the heating water route 121 in wall-hung boiler heating system, water route component
10 to family to supply water and the water flow in the heating water route 121 in wall-hung boiler heating system can be prevented to be back to bathroom water route
In 111.
In wall-hung boiler heating system, bathroom water route 111 is to provide domestic water, heating water route 121 to Household sanitary
To for Home Heating, heating water route 121 is in hollow state after the completion of laying, need to first pass through moisturizing water route 13 into it
It is again Home Heating after portion's water filling, heating water route 121 is in inner sealing state when in use, there is no fluid communication with the external world,
Therefore its water quality can be deteriorated after long-term use in heating water route 121.Sealing is provided between heating water route 121 and moisturizing water route 13
Part, but the sealing element can degradation failure in the long-term use process, cause dirty water in heating water route 121 to pass through moisturizing water
Road 13 is back in bathroom water route 111, be polluted the good domestic water of water quality in bathroom water route 111, is affected normal family
Front yard life.The application of water route component 10 is in wall-hung boiler heating system, the water flow that can be avoided in heating water route 121 is back to bathroom
Water route 111.
It is appreciated that water route component 10 is not limited to only using in wall-hung boiler heating system, in other embodiments,
Water route component 10 can also using in other water supply and sewerage systems such as municipal network of rivers, as long as the water supply and sewerage system need it is anti-
Only water route component 10 provided by the invention can be used in the reflux between different water routes.Bathroom water route 111 passes through moisturizing water route 13
Heating water route 121 is connected, bathroom water route 111 includes water inlet 112 and water outlet (not labeled), water inlet 112 and water outlet phase
Intercommunicated, the hot water in bathroom water route 111 is flowed into out of water inlet 112, then is flowed out from water outlet, the water flow flowed out from water outlet
Into in Household sanitary, provide water quality good domestic water for Household sanitary.
Bathroom water route 111 is installed with water compensating valve 114 close to the position of water inlet 112, and bathroom water route 111 passes through water compensating valve
114 connection moisturizing water routes 13.Water compensating valve 114 is to heating water route 121 in first be laid with to its internal moisturizing, heating water route
After 121 fill up water flow, wall-hung boiler heating system understands the water flow in heating water route 121, and the water flow after heating passes through floor heating pipe
Equal pipelines enter in family, improve the temperature in room to realize Home Heating.
Bathroom water route 111 is provided with water sensor 115 close to the position of water outlet, and water sensor 115 is to measure
The flow velocity and water of water flow can provide water amount parameters for user, carry out water control convenient for user.The one end in moisturizing water route 13 is logical
It crosses water compensating valve 114 and connects bathroom water route 111, the other end connects heating water route 121, is provided in 114 water inlet passageway of water compensating valve
Check-valves 2, check-valves 2 have one-way flow effect, when need by moisturizing water route 13 to be laid with for the first time heating water route 121 confession
When water, check-valves 2 is in the open state, and water flow can flow into heating water route 121；After 121 moisturizing of heating water route, only
It returns valve 2 to be in close state, the water flow inversely transmitted from heating water route 121 to bathroom water route 111 can be blocked, avoid heating
Dirty water in water route 121 is back in bathroom water route 111.
The moisturizing valve passage 202 and be located at the water compensating valve that the water compensating valve 114 favours the first water route 11 including one
Moisturizing valve rod assembly 21 and the check-valves 2 in channel 202.In other embodiments, the moisturizing valve passage 202 and
It may be other angles between one water route 11.
Join shown in Fig. 4, when the moisturizing valve rod assembly 21 in opened condition when, be equipped with to even in moisturizing valve passage 202
Logical first water route 11 is with moisturizing water route 13 to make moisturizing channel of the water flow in first water route 11 to moisturizing water route 13
131.Join shown in Fig. 3, when the moisturizing valve rod assembly 21 advances downwardly between check-valves 2 in closed state, the moisturizing
Channel 131 is closed.
The check-valves 2 be located at 21 front end of moisturizing valve rod assembly and to the 21 front end phase of moisturizing valve rod assembly
Butt sealing can prevent the sewage in heating water route 121, be flowed back into bathroom water route 111 by moisturizing water route 13.
The check-valves 2 includes being located in the moisturizing valve passage 202 to adhere on one section of moisturizing valve passage 202 to circumferential direction
Check valve body 28, described 28 one end of check valve body is equipped with stops to the ring-type of 21 front end of Butt sealing moisturizing valve rod assembly
Valve seal receptacle 23 is returned, the other end is equipped with the check valve spool 27 to seal the first water route 11.In this way, the check-valves 2 can
Play good sealing function.
The check valve spool 27 be equipped with gasket seal 29 mutually to be sealed with 28 end face of check valve body, the non-return
Be equipped between valve core 27 and check valve seal seat 23 can the elastic component that deforms of front and back, such as the spring 26 in present embodiment,
The spring force pressure sealing gasket 29 of check-valves 2 realizes one-way sealing.
23 upper end of annular check valve seal receptacle is equipped with water compensating valve seal face 231, outside 21 end of moisturizing valve rod assembly
It encloses and is arranged with end O-ring 201, when the check-valves 2 is inserted into 21 end of moisturizing valve rod assembly, the end O-ring 201
Compression sealing is matched with the water compensating valve seal face 231, and the opening and closing of water compensating valve may be implemented.
23 side of check valve seal seat is equipped with first O-shaped to closely post 202 wall surface 203 of moisturizing valve passage
Circle 24, prevents water in check-valves 2 from leaking without moisturizing channel 131.
28 side of check valve body is equipped with the second O-ring closely to post 202 wall surface 203 of moisturizing valve passage
25, prevent in moisturizing channel 131 water from 28 side leakage of check valve body.
In the present embodiment, the check-valves 2 prevents heating water route using existing 26 gasket seal 29 of spring etc.
In fluid reflux to bathroom water route 111 in 121, in other embodiments, it can also be prevented using existing ball sealer
It is not shown in fluid reflux to bathroom water route 111 in heating water route 121.It is appreciated that check-valves 2 can also use other
Structure avoid heating water route 121 as long as check-valves 2 can be realized one-way flow of the bathroom water route 111 to heating water route 121
In fluid reflux to bathroom water route 111 in.
202 wall surface 203 of moisturizing valve passage is concavely provided with cyclic annular mounting groove, and it is fixed to support to be equipped in the mounting groove
The split washer 22 of the position check valve seal seat 23.In this way, split washer 22 is installed on after check-valves 23 is installed in place
23 top of check valve seal seat, can effectively support the trend that check-valves 2 moves upwards, improve whole stable structure
Property.
Heating water route 121 is connected in first be laid with moisturizing water route 13, and is injected water flow by moisturizing water route 13
In pipeline, heating water route 121 is between inner sealing state, with moisturizing water route 13 when for Home Heating passes through sealing element phase
Mutually partition.First interface 1211 and second interface 1212 are provided on heating water route 121, the water flow in heating water route 121 is from
Outflow, is flowed into second interface 1212 again by circulating line in one interface 1211, water circulation in 1211 He of first interface
Flowing in the closed conduct that second interface 1212 is formed forms water circulation of the heating water route 121 under interior closed state.First
It is provided with actuator in the circulation waterway that interface 1211 and second interface 1212 are formed, the actuator is to drive water circulation stream
It is dynamic, to realize Home Heating.In present embodiment, actuator is water pump, is connected with first interface 1211.It is appreciated that
In other embodiments, actuator can also be connected with second interface 1212, and actuator can also use besides a water pump
Other types, as long as it can drive water circulation to flow.Third interface (not labeled) is additionally provided on heating water route 121
With the 4th interface 1214, it is excessive and influence water route to can be avoided the pressure in water route to connection safety valve for third interface
Safety, the 4th interface 1214 can buffer the variation in water pressure in heating water route 121 to connect expansion tank, so that protection is adopted
Warm water route 121.
It is appreciated that can also open up more interfaces on heating water route 121 carrys out connecting valve component, as long as heating water route
121 can safely realize Home Heating.In present embodiment, bathroom water route 111 is mutually perpendicular to set with moisturizing water route 13
It sets, heating water route 121 is also arranged in a mutually vertical manner with moisturizing water route 13, and bathroom water route 111 is parallel to each other with heating water route 121 and sets
It sets, bathroom water route 111, moisturizing water route 13 use vertical installing mode between heating water route 121, can save space, be convenient for
Installation.It is appreciated that in other embodiments, between bathroom water route 111 and moisturizing water route 13 can also using except it is vertical it
Other outer arrangement modes, can also be using other arrangement sides in addition to vertical between heating water route 121 and moisturizing water route 13
Formula, as long as bathroom water route 111 can be realized the connection between moisturizing water route 13, heating water route 121 be can be realized and moisturizing water
Connection between road 13.
The present invention also provides a kind of wall-hung boiler heating systems comprising wall-hung boiler and above-mentioned water route component 10, water route group
Part 10 is connected with wall-hung boiler, and wall-hung boiler heating system can prevent the water flow in heating water route 121 to be back to bathroom water route 111
It is interior, avoid pollution of the water quality by heating water route 121 in bathroom water route 111.
Water route component 10 provided by the invention can be avoided the second water route by the way that check-valves 2 is arranged in 114 front end of water compensating valve
Water flow in 12 is back in the first water route 11, realizes the protection to 11 water quality of the first water route.
Wall-hung boiler heating system provided by the invention uses above-mentioned water route component 10, can prevent in heating water route 121
Water flow be back in bathroom water route 111, avoid pollution of the water quality by heating water route 121 in bathroom water route 111.
Those skilled in the art it should be appreciated that more than embodiment be intended merely to illustrate the present invention,
And be not used as limitation of the invention, as long as being made in spirit of the invention to embodiment of above
It is appropriate change and variation all fall in the interior of the scope of protection of present invention.
Claims (10)
1. a kind of water compensating valve water route component, which is characterized in that the water route component includes the first water route, the second water route and moisturizing water
Road is interconnected between first water route and second water route by the moisturizing water route, and the moisturizing water route is to incite somebody to action
Fluid in first water route injects in second water route, and water compensating valve, the water compensating valve packet are equipped in the moisturizing water route
Include the moisturizing valve passage to be connected to the first water route and moisturizing valve rod assembly and non-return in the moisturizing valve passage
Valve, the check-valves is between the moisturizing valve rod assembly and first water route.
2. water compensating valve water route as described in claim 1 component, which is characterized in that the water route component is to be applied to wall-hung boiler
In heating system, first water route is the bathroom water route in the wall-hung boiler heating system, and second water route is the wall
The heating water route in furnace heating system is hung, is mutually interconnected between the bathroom water route and the heating water route by the moisturizing water route
Logical, the check-valves is to prevent the water flow in the heating water route to be back in the bathroom water route.
3. water compensating valve water route as described in claim 1 component, which is characterized in that the check-valves includes being located at the water compensating valve
The check valve body that one section of moisturizing valve passage is adhered on to circumferential direction in channel, described check valve body one end are equipped with to right
The annular check valve seal receptacle of sealing moisturizing valve rod assembly is connect, the other end is equipped with the check-valves valve to seal the first water route
Core.
4. water compensating valve water route as claimed in claim 3 component, which is characterized in that the check valve spool be equipped with to only
Return the gasket seal that valve body end face mutually seals, the elastomer being equipped between the check valve spool and check valve seal seat.
5. water compensating valve water route as claimed in claim 3 component, which is characterized in that the check valve seal seat internal diameter is less than non-return
Valve body internal diameter, described elastomer one end are held on the check valve seal seat, and the other end is mutually pushed up with check valve spool and held.
6. water compensating valve water route as claimed in claim 3 component, which is characterized in that the annular check valve seal receptacle, which is equipped with, to be mended
Water valve seal face, moisturizing valve rod assembly end periphery are arranged with end O-ring, the end O-ring to it is described
Water compensating valve seal face matches compression sealing to realize that water compensating valve opens and closes.
7. water compensating valve water route as claimed in claim 3 component, which is characterized in that the installation of check valve seal seat side is useful
Closely to post the first O-ring of water compensating valve channel wall.
8. water compensating valve water route as claimed in claim 3 component, which is characterized in that the check valve body side be equipped with to
Closely post the second O-ring of water compensating valve channel wall.
9. water compensating valve water route as claimed in claim 3 component, which is characterized in that the water compensating valve channel wall is concavely provided with ring
Shape mounting groove, the mounting groove is interior to be equipped with to support the split washer for positioning the check valve seal seat.
10. a kind of wall-hung boiler heating system, the wall-hung boiler heating system includes wall-hung boiler and is connected with the wall-hung boiler
Water compensating valve water route component, which is characterized in that water compensating valve water route component uses water compensating valve water route as claimed in claims 1-9
Component, the water route component can be avoided second water route in the wall-hung boiler heating system and be back to first water route
It is interior.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711447742.9A CN109973690A (en) | 2017-12-27 | 2017-12-27 | Water compensating valve water route component and its wall-hung boiler heating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711447742.9A CN109973690A (en) | 2017-12-27 | 2017-12-27 | Water compensating valve water route component and its wall-hung boiler heating system |
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| Publication Number | Publication Date |
|---|---|
| CN109973690A true CN109973690A (en) | 2019-07-05 |
Family
ID=67071704
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711447742.9A Pending CN109973690A (en) | 2017-12-27 | 2017-12-27 | Water compensating valve water route component and its wall-hung boiler heating system |
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| CN (1) | CN109973690A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024087309A1 (en) * | 2022-10-27 | 2024-05-02 | 浙江万得凯流体设备科技股份有限公司 | Water heating apparatus valve |
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| WO2014112891A1 (en) * | 2013-01-18 | 2014-07-24 | Slobodan Milovanović | Protection of a check valve inside of a main valve |
| CN203500515U (en) * | 2013-09-23 | 2014-03-26 | 佛山市顺德万和电气配件有限公司 | Sealing structure of water inlet valve and water supplement valve for wall-hanging stove |
| CN204852491U (en) * | 2015-07-30 | 2015-12-09 | 宁波埃美柯铜阀门有限公司 | Automatic water compensating valve |
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| WO2024087309A1 (en) * | 2022-10-27 | 2024-05-02 | 浙江万得凯流体设备科技股份有限公司 | Water heating apparatus valve |
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Effective date of registration: 20190823 Address after: 311800 Zhejiang city in Shaoxing Province town of Zhuji city shop Industrial Zone Applicant after: ZHEJIANG HUAYI PRECISION MACHINERY Co.,Ltd. Address before: 310-312 Jindao Road, Lincheng Street, Dinghai District, Zhoushan City, Zhejiang Province Applicant before: ZHEJIANG YUNCHANG ENERGY TECHNOLOGY Co.,Ltd. |
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Address after: 311800 Diankou Town Industrial Zone, Zhuji City, Shaoxing City, Zhejiang Province Applicant after: Zhejiang Huayi Precision Machinery Co.,Ltd. Address before: 311800 Diankou Town Industrial Zone, Zhuji City, Shaoxing City, Zhejiang Province Applicant before: ZHEJIANG HUAYI PRECISION MACHINERY Co.,Ltd. |
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Application publication date: 20190705 |