CN106286926A - A kind of water-saving piece of simple in construction stability of flow - Google Patents
A kind of water-saving piece of simple in construction stability of flow Download PDFInfo
- Publication number
- CN106286926A CN106286926A CN201610863436.2A CN201610863436A CN106286926A CN 106286926 A CN106286926 A CN 106286926A CN 201610863436 A CN201610863436 A CN 201610863436A CN 106286926 A CN106286926 A CN 106286926A
- Authority
- CN
- China
- Prior art keywords
- water
- saving piece
- apopore
- block
- clasp
- 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.)
- Pending
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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
- F16K7/00—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves
- F16K7/12—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves with flat, dished, or bowl-shaped diaphragm
- F16K7/14—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves with flat, dished, or bowl-shaped diaphragm arranged to be deformed against a flat seat
- F16K7/17—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves with flat, dished, or bowl-shaped diaphragm arranged to be deformed against a flat seat the diaphragm being actuated by fluid pressure
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Sewage (AREA)
Abstract
A kind of water-saving piece of simple in construction stability of flow, including water-saving piece body, water-saving piece body is provided with apopore, coordinate with the apopore of water-saving piece body and be provided with block water plate, the diameter of apopore is less than the diameter of block water plate, elastic deformation assembly it is provided with between block water plate and apopore, elastic deformation component strain drives block water plate to move, to outlet direction, the distance changed between block water plate and apopore thus changes flow, and be provided with supporter at apopore end face and block block water plate when pressing down and ensure to leave fixed range between block water plate and apopore, water-saving piece flow is almost constant in different water pressures down-offs, overcome traditional water-saving piece hydraulic pressure low discharge low, hydraulic pressure high flow capacity is high, the problem that flowed fluctuation is big.
Description
Technical field
The present invention relates to a kind of water saving unit, the most relevant with the water-saving piece of a kind of simple in construction stability of flow.
Background technology
Along with economic develops rapidly, worldwide water shortage status is on the rise, rational utilization of water resources, it is to avoid clean
The waste of water purification, is to ensure that the grand strategy problem of every country national economy and social development.Make a general survey of existing discharging device
On, normally only it being provided with simple valve, its water yield is typically determined by the caliber of water pipe, and owing to existing caliber is general relatively
Greatly, therefore when Open valve, substantial amounts of current are the most spouting, cause substantial amounts of waste, rely solely on supply channel
Size limits its maximum stream flow, or in use, is carried out the size of regulating water flow by the switch angle controlling valve, this
Operation restriction effect is the best, operation inconvenience, but reaches big flow when of often having only to low discharge, and have facilitates root for figure
This does not goes to control flow, for this problem, market also occurs multiple water-saving device or water saving unit, as limited in knob amber
Company, a kind of water saving fixtures of its application, Patent No. US6695011B2, the water saving fixtures of this kind of structure are to pass through rubber ring
(o-ring) deform under hydraulic pressure, thus change the sectional area of water outlet, thus the flow controlling water arrives water-saving result, very
Having been at the advanced position of saving product of water for a long time, used by the manufacturer of vast saving product of water, another passes through metal
Deformation changes the cross section of water outlet, reaches the effect of water saving.But with what O-ring deformed, O-ring various aspects are required the most non-
Chang Gao, flow-control is difficult to obtain control very much, and flow of metal to control flow one be that structure is complicated, assemble uncontrollable factor ratio
More, flow-control and product stability also can not be guaranteed.Will there is hydraulic pressure low discharge low, hydraulic pressure high flow capacity is high, stream
Amount fluctuation is big, the problem controlling instability of flow.
Summary of the invention
It is an object of the invention to solve problem of the prior art, it is provided that the water saving of a kind of simple in construction stability of flow
Sheet.
For reaching above-mentioned purpose, the present invention adopts the following technical scheme that
A kind of water-saving piece of simple in construction stability of flow, including water-saving piece body, water-saving piece body be provided with apopore and
The apopore cooperation of water-saving piece body is provided with block water plate, and the diameter of apopore is less than the diameter of block water plate, block water plate and apopore
Between be provided with elastic deformation assembly to limit block water plate displacement, hydraulic pressure makes block water plate move change block water plate to apopore direction
And distance between apopore thus control flow, and between block water plate and apopore, be provided with supporter block gear when pressing down
Water sheet ensures to leave fixed range between block water plate and apopore.
Further, described water-saving piece body and block water plate are Split type structure, and the outer of block water plate is provided with a clasp, dash
Being connected by one group of elastic bar one between sheet with clasp, elastic bar forms described elastic deformation assembly, block water plate and clasp
Between space be separated into one group of water hole one by described one group of elastic bar one, described clasp is fastened on the inner edge of water-saving piece body
Location.
Further, described water-saving piece body is structure as a whole with block water plate, passes through between water-saving piece body and block water plate
One group of elastic bar two connects and is formed one group of water hole two, water-saving piece body bottom portion by one group of described elastic bar two compartment
Form apopore, at apopore, be provided with described supporter.
Further, described block water plate, clasp and one group of elastic bar one form bowl structure, and wherein, block water plate is bowl
The end, clasp is bowl outer, and one group of described elastic bar one is spaced between at the bottom of being connected to bowl and bowl outer and outwards in curved
Curved setting, the apopore of described water-saving piece body bottom portion is separated into multiple exhalant canal by muscle sheet, and described muscle sheet is provided with
Projection forms described supporter.
Further, described apopore is arranged in a water-outlet body, and water-outlet body fastens the bottom being arranged on water-saving piece body,
Apopore is protruding rod hole, and described protruding rod hole upper end is blocked down block water plate when pressing and formed described supporter.
Further, described one group of elastic bar one is four, and " ten " shape is also bent outwardly and is connected to block water plate and button
Between ring, described clasp is arranged with the inner groove inner position of water-saving piece body by its outer convex edge；Described apopore is by " Y "
Type muscle sheet is separated into three exhalant canals, and uniform three projections of Y-shaped muscle sheet form described supporter.
Further, the bowl structure forward of described block water plate, clasp and one group of elastic bar one formation is arranged on water saving
This is the most internal for sheet, and i.e. clasp is upper, block water plate under, the inner edge being fastened on water-saving piece body by clasp is positioned.
Further, the bowl structure of described block water plate, clasp and one group of elastic bar one formation is reversibly mounted on water saving
This is the most internal for sheet, i.e. clasp under, block water plate is upper, and the inner edge being fastened on water-saving piece body by clasp is positioned.
Further, described block water plate and one group of elastic bar one are plastic material.
Further, described block water plate and one group of elastic bar two are plastic material.
Use technique scheme, the present invention utilize hydraulic pressure to promote plastic deformation to change the sectional area of water outlet, thus
Reach the effect of water saving constant current；The water outlet block water plate that mould of plastics forms out is by connecting elastic rib between block water plate and clasp
Bar deforms upon under hydraulic pressure so that block water plate can move up and down, and block water plate changes cutting of water inlet during moving up and down
Area, thus it is big to realize pressure, water inlet cross section diminishes, and hydraulic pressure is little, and water inlet cross section is big, thus arrives water-saving piece flow different
Water pressures down-off is almost constant, overcomes traditional water-saving piece hydraulic pressure low discharge low, and hydraulic pressure high flow capacity is high, flowed fluctuation
Big problem.
The shape of the elastic bar between block water plate and clasp can be with free deformation under hydraulic pressure effect, simultaneously by changing
Elastic bar thickness between block water plate and clasp and width control the amount of elasticity of rib, thus control the sectional area of water inlet.
The water-saving piece water saving control stability of flow of the present invention, simple in construction, easy to assembly, low cost.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the present invention, this
Bright schematic description and description is used for explaining the present invention, is not intended that inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the stereo decomposing structural representation one of the embodiment of the present invention one；
Fig. 2 is the stereo decomposing structural representation two of the embodiment of the present invention one；
Fig. 3 is the combinative structure schematic diagram one of the embodiment of the present invention one；
Fig. 4 is the combinative structure schematic diagram two of the embodiment of the present invention one；
Fig. 5 is the combination cross-sectional view of the embodiment of the present invention one；
Fig. 6 is the stereo decomposing structural representation of the embodiment of the present invention two；
Fig. 7 is the combination cross-sectional view of the embodiment of the present invention two；
Fig. 8 is the stereo decomposing structural representation of the embodiment of the present invention three；
Fig. 9 is the combinative structure schematic diagram of the embodiment of the present invention three；
Figure 10 is the combination cross-sectional view of the embodiment of the present invention three.
Detailed description of the invention
In order to make the technical problem to be solved, technical scheme and beneficial effect clearer, clear, below tie
Close drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein is only used
To explain the present invention, it is not intended to limit the present invention.
As shown in Fig. 1-Figure 10, for the embodiment of the present invention.
The water-saving piece of a kind of simple in construction stability of flow, including water-saving piece body 1, water-saving piece body 1 is provided with apopore
11 coordinate with the apopore 11 of water-saving piece body 1 and to be provided with block water plate 2, and the diameter of apopore 11 is less than the diameter of block water plate 2, gear
Being provided with elastic deformation assembly 3 between water sheet 2 and apopore 11 to limit block water plate 2 displacement, hydraulic pressure makes block water plate 2 to apopore
11 directions are moved the distance changed between block water plate 2 and apopore 22 thus are controlled flow, and block water plate 2 and apopore 11 it
Between be provided with supporter 4 and block down the block water plate 2 when pressing and ensure to leave fixed range between block water plate 2 and apopore 11.
During work, water-saving piece being installed into product, water flows into water-saving piece from top, utilizes hydraulic pressure to promote plastic deformation
Change the sectional area of water outlet, thus reach the effect of water saving constant current；Block water plate can move up and down, and block water plate was moving up and down
Changing the sectional area of water inlet in journey, thus it is big to realize pressure, water inlet cross section diminishes, and hydraulic pressure is little, and water inlet cross section is big, thus arrives joint
Water sheet flow is almost constant in different water pressures down-offs, overcomes traditional water-saving piece hydraulic pressure low discharge low, hydraulic pressure
High flow capacity is high, the shortcoming that flowed fluctuation is big.The water saving of this water-saving piece controls stability of flow, simple in construction, and assembling is simple, cost
Low.
Refering to the specific embodiment one that Fig. 1-5 is the present invention, described water-saving piece body 1 is Split type structure with block water plate 2,
The outer of block water plate 2 is provided with a clasp 4, is connected by one group of elastic bar one between block water plate 2 with clasp 4, one group of elastic bar
Elastic deformation assembly 3 described in one formation, between block water plate 2 and clasp, the space of 4 is by (the elastic deformation of described one group of elastic bar one
Assembly 3) it is separated into one group of water hole 1, described clasp 4 is fastened on the location, inner edge of water-saving piece body 1.Described block water plate 2,
Clasp 4 and one group of elastic bar one form bowl structure, and wherein, block water plate 2 is at the bottom of bowl, and clasp 4 is bowl outer, described one group
Elastic bar one is spaced between at the bottom of being connected to bowl and bowl outer and outwards in bending and arranges, described water-saving piece body 1
The apopore 11 of bottom is separated into multiple exhalant canal by muscle sheet, and described muscle sheet is provided with projection 111 and forms described supporter.
Concrete, one group of described elastic bar one can be four, " ten " shape being bent outwardly be connected to block water plate 2 with
Between clasp 4, described clasp 4 is arranged with inner groove 12 inner position of water-saving piece body 1 by its outer convex edge 41；Described goes out
Water hole 11 is separated into three exhalant canals by Y-shaped muscle sheet, and uniform three projections 111 of Y-shaped muscle sheet form described support
Body.
During installation, the bowl structure forward of described block water plate 2, clasp 4 and one group of elastic bar one formation is arranged on joint
In water sheet body 1, i.e. clasp 4 is upper, block water plate 2 under, by clasp 2 be fastened on water-saving piece body 1 inner edge position.
In above-described embodiment, the shape of one group of elastic bar one between block water plate and clasp about hydraulic pressure under can from
By deformation, controlled the amount of elasticity of rib simultaneously by the rib thickness between change catch and clasp and width, thus control
The sectional area of water inlet, thus reach the effect of water saving constant current.
Refering to Fig. 6, Fig. 7, for embodiments of the invention two, embodiment two is with the difference of embodiment one, embodiment two
Described in the bowl structure that formed of block water plate 2, clasp 4 and one group of elastic bar one be reversibly mounted in water-saving piece body 1, i.e.
Clasp 4 under, block water plate 2 upper, by clasp 4 be fastened on water-saving piece body 1 inner edge position.This kind of structure when mounted may be used
To save space, for alternative during different demand.
Refering to Fig. 7-10, for embodiments of the invention three, described water-saving piece body 1 is structure as a whole with block water plate 2, joint
It is connected by one group of elastic bar two (in embodiment being three) and elastic by described one group between water sheet body 1 and block water plate
Rib two (elastic deformation assembly 3) is separated to form one group of water hole 26, and described apopore 11 is arranged in a water-outlet body 7, goes out
Water body 7 fastens the bottom being arranged on water-saving piece body 1, and apopore 11 is protruding rod hole 8, and described protruding rod hole 8 upper end protrudes from water outlet
The upper surface of body 7, protruding rod hole 8 blocks down block water plate when pressing and forms described supporter.
The present invention can mold body and the catch of water-saving piece of water-saving piece by mould of plastics, and it is with same material
Each performance of the part formed out is almost the same, so as its elasticity is almost, being to become receiving uniform pressure
Shape amount is almost the same, so the water controlled at the same pressure obtains flow and is almost equally so that catch is permissible
Moving up and down, catch changes the sectional area of water inlet during moving up and down, thus it is big to realize pressure, and water inlet cross section diminishes, water
Pressing little, water inlet cross section is big, thus it is almost constant in different water pressures down-offs to arrive water-saving piece flow, overcomes tradition
Water-saving piece hydraulic pressure low discharge low, hydraulic pressure high flow capacity is high, and flowed fluctuation is big.So the water saving of this water-saving piece controls stability of flow,
Simple in construction, only two parts, assembling, simple low cost.
Described above illustrate and describes the preferred embodiments of the present invention, as previously mentioned, it should be understood that the present invention not office
Be limited to form disclosed herein, be not to be taken as the eliminating to other embodiments, and can be used for other combinations various, amendment and
Environment, and can be changed by above-mentioned teaching or the technology of association area or knowledge in invention contemplated scope described herein
Dynamic.And the change that those skilled in the art are carried out and change are without departing from the spirit and scope of the present invention, the most all should be appended by the present invention
In scope of the claims.
Claims (10)
1. the water-saving piece of a simple in construction stability of flow, it is characterised in that: include that water-saving piece body, water-saving piece body are provided with
Apopore coordinates with the apopore of water-saving piece body and is provided with block water plate, and the diameter of apopore is less than the diameter of block water plate, block water plate
And being provided with elastic deformation assembly between apopore to limit block water plate displacement, hydraulic pressure makes block water plate move to apopore direction to change
Become the distance between block water plate and apopore thus control flow, and be provided with between block water plate and apopore under supporter blocks
Block water plate during pressure ensures to leave fixed range between block water plate and apopore.
The water-saving piece of a kind of simple in construction stability of flow the most according to claim 1, it is characterised in that: described water-saving piece
Body and block water plate are Split type structure, and the outer of block water plate is provided with a clasp, by one group of elastic bar between block water plate and clasp
One is connected, and elastic bar one forms described elastic deformation assembly, and the space between block water plate and clasp is by described one group of elastic rib
Bar is separated into one group of water hole one, and described clasp is fastened on the location, inner edge of water-saving piece body.
The water-saving piece of a kind of simple in construction stability of flow the most according to claim 1, it is characterised in that: described water-saving piece
Body is structure as a whole with block water plate, is connected and by described by one group of elastic bar two between water-saving piece body and block water plate
One group of elastic bar two compartment forms one group of water hole two, and water-saving piece body bottom portion forms apopore, is provided with described at apopore
Supporter.
The water-saving piece of a kind of simple in construction stability of flow the most according to claim 2, it is characterised in that: described dash
Sheet, clasp and one group of elastic bar one form bowl structure, and wherein, block water plate is at the bottom of bowl, and clasp is bowl outer, described one group
Elastic bar one is spaced between at the bottom of being connected to bowl and bowl outer and outwards in bending and arranges, at the bottom of described water-saving piece body
The apopore in portion is separated into multiple exhalant canal by muscle sheet, and described muscle sheet is provided with projection and forms described supporter.
The water-saving piece of a kind of simple in construction stability of flow the most according to claim 3, it is characterised in that: described apopore
Being arranged in a water-outlet body, water-outlet body fastens the bottom being arranged on water-saving piece body, and apopore is protruding rod hole, on described protruding rod hole
The block water plate that terminal block is stayed when pressing forms described supporter.
The water-saving piece of a kind of simple in construction stability of flow the most according to claim 4, it is characterised in that: one group of described bullet
Property rib one be four, " ten " shape being bent outwardly is connected between block water plate and clasp, and described clasp passes through its evagination
Along the inner groove inner position being arranged with water-saving piece body；Described apopore is separated into three exhalant canals by Y-shaped muscle sheet,
Uniform three projections of Y-shaped muscle sheet form described supporter.
7. according to the water-saving piece of a kind of simple in construction stability of flow described in claim 4 or 6, it is characterised in that: described gear
The bowl structure forward of water sheet, clasp and one group of elastic bar one formation is arranged on water-saving piece, and this is the most internal, and i.e. clasp is upper, dash
Sheet under, by clasp be fastened on water-saving piece body inner edge position.
8. according to the water-saving piece of a kind of simple in construction stability of flow described in claim 4 or 6, it is characterised in that: described gear
The bowl structure that water sheet, clasp and one group of elastic bar one are formed is reversibly mounted on water-saving piece, and this is the most internal, i.e. clasp under, dash
Sheet is upper, and the inner edge being fastened on water-saving piece body by clasp is positioned.
9. according to the water-saving piece of a kind of simple in construction stability of flow described in claim 1,2,4 or 6, it is characterised in that: described
Block water plate and one group of elastic bar one be plastic material.
10. according to the water-saving piece of a kind of simple in construction stability of flow described in claim 3 or 5, it is characterised in that: described gear
Water sheet and one group of elastic bar two are plastic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610863436.2A CN106286926A (en) | 2016-09-29 | 2016-09-29 | A kind of water-saving piece of simple in construction stability of flow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610863436.2A CN106286926A (en) | 2016-09-29 | 2016-09-29 | A kind of water-saving piece of simple in construction stability of flow |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106286926A true CN106286926A (en) | 2017-01-04 |
Family
ID=57716352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610863436.2A Pending CN106286926A (en) | 2016-09-29 | 2016-09-29 | A kind of water-saving piece of simple in construction stability of flow |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106286926A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102017220229A1 (en) * | 2017-11-14 | 2019-05-16 | Audi Ag | Check valve assembly for a check valve assembly and corresponding check valve assembly |
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| JPH0868469A (en) * | 1994-08-26 | 1996-03-12 | Eagle Ind Co Ltd | Control valve |
| US20040250864A1 (en) * | 2003-06-10 | 2004-12-16 | Zelson Larry Saul | Sanitary check valve |
| CN101865318A (en) * | 2010-07-08 | 2010-10-20 | 厦门松霖科技有限公司 | Flow regulating device |
| CN202852101U (en) * | 2012-09-20 | 2013-04-03 | 厦门绿延节水科技有限公司 | Water economizer |
| CN104235540A (en) * | 2014-07-09 | 2014-12-24 | 黄金源 | Connector structure capable of effectively avoiding burst of water pipe to prevent water spraying |
| US20150219231A1 (en) * | 2014-01-31 | 2015-08-06 | Brasscraft Manufacturing Company | Excess flow valve with flexible sealing member |
| CN206054861U (en) * | 2016-09-29 | 2017-03-29 | 厦门市得尔美卫浴有限公司 | A kind of water-saving piece of simple structure stability of flow |
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2016
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Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0868469A (en) * | 1994-08-26 | 1996-03-12 | Eagle Ind Co Ltd | Control valve |
| US20040250864A1 (en) * | 2003-06-10 | 2004-12-16 | Zelson Larry Saul | Sanitary check valve |
| CN101865318A (en) * | 2010-07-08 | 2010-10-20 | 厦门松霖科技有限公司 | Flow regulating device |
| CN202852101U (en) * | 2012-09-20 | 2013-04-03 | 厦门绿延节水科技有限公司 | Water economizer |
| US20150219231A1 (en) * | 2014-01-31 | 2015-08-06 | Brasscraft Manufacturing Company | Excess flow valve with flexible sealing member |
| CN104235540A (en) * | 2014-07-09 | 2014-12-24 | 黄金源 | Connector structure capable of effectively avoiding burst of water pipe to prevent water spraying |
| CN206054861U (en) * | 2016-09-29 | 2017-03-29 | 厦门市得尔美卫浴有限公司 | A kind of water-saving piece of simple structure stability of flow |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102017220229A1 (en) * | 2017-11-14 | 2019-05-16 | Audi Ag | Check valve assembly for a check valve assembly and corresponding check valve assembly |
| CN111164340A (en) * | 2017-11-14 | 2020-05-15 | 奥迪股份公司 | Check valve element for a check valve assembly and corresponding check valve assembly |
| US11079029B2 (en) | 2017-11-14 | 2021-08-03 | Audi Ag | Check valve element for a check valve assembly and corresponding check valve assembly |
| EP3710733B1 (en) * | 2017-11-14 | 2021-08-25 | Audi AG | Check valve element for a check valve assembly and corresponding check valve assembly |
| CN111164340B (en) * | 2017-11-14 | 2022-05-24 | 奥迪股份公司 | Check valve element for a check valve assembly and corresponding check valve assembly |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170104 |
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| RJ01 | Rejection of invention patent application after publication |