CN209539552U - A kind of anti-gas-leak compression cylinder of replaceable shaft matrix - Google Patents
A kind of anti-gas-leak compression cylinder of replaceable shaft matrix Download PDFInfo
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- CN209539552U CN209539552U CN201822050154.8U CN201822050154U CN209539552U CN 209539552 U CN209539552 U CN 209539552U CN 201822050154 U CN201822050154 U CN 201822050154U CN 209539552 U CN209539552 U CN 209539552U
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- 230000006835 compression Effects 0.000 title claims abstract description 121
- 238000007906 compression Methods 0.000 title claims abstract description 121
- 239000011159 matrix material Substances 0.000 title claims abstract description 65
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 16
- 206010006514 bruxism Diseases 0.000 claims description 27
- 238000010992 reflux Methods 0.000 claims description 8
- 230000000694 effects Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 7
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
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Abstract
The utility model relates to a kind of anti-gas-leak compression cylinders of replaceable shaft matrix.It is one that shaft matrix, which is with cylinder, in common birotor compression cylinder currently on the market, the damage of shaft matrix can not be replaced, reduce compressor service life, and slide plate is moving reciprocatingly and axis friction, it is easy to appear friction gap for a long time, gas inside cylinder is easy to leak from gap, makes cylinder leakage tester, Shortcomings.The utility model relates to a kind of anti-gas-leak compression cylinders of replaceable shaft matrix, wherein: the first water cover is connect by bolt with one stage of compression cylinder, second water cover is fixedly connected by bolt with two-stage compression cylinder side, one stage of compression cylinder, cylinder head and two-stage compression cylinder are bolted to connection, and cylinder head is fixed between one stage of compression cylinder and two-stage compression cylinder.This birotor compression cylinder anti-gas-leak effect is good, is conveniently replaceable shaft matrix, extends the service life of compressor.
Description
Technical field
The utility model relates to air compressor machine technical field, especially a kind of anti-gas-leak compression cylinder of replaceable shaft matrix.
Background technique
Air compressor abbreviation air compressor machine is a kind of equipment to compressed gas, and in recent years, the development of air compressor machine is fast
Speed is widely used in all trades and professions.Birotor compression cylinder is the core component of birotor air compressor machine, currently on the market common pair
It is one that shaft matrix, which is with cylinder, in rotor compression cylinder, and the damage of shaft matrix can not be replaced, and reduces compressor service life, and
Slide plate is moving reciprocatingly and axis friction, is easy to appear friction gap for a long time, and the gas inside cylinder is easy from gap
It leaks, makes cylinder leakage tester, Shortcomings.
Utility model content
(1) the technical issues of solving
The purpose of this utility model provides a kind of replaceable shaft matrix primarily in view of the above technical problems
Anti-gas-leak compression cylinder.
(2) technical solution
The technical solution of the utility model includes: a kind of anti-gas-leak compression cylinder of replaceable shaft matrix, including the first water cover, one
Grade compression cylinder, cylinder head, two-stage compression cylinder, the second water cover；Wherein: the first water cover is connect by bolt with one stage of compression cylinder, the
Two water covers are fixedly connected by bolt with two-stage compression cylinder side, and one stage of compression cylinder, cylinder head and two-stage compression cylinder pass through bolt
It is fixedly connected, cylinder head is fixed between one stage of compression cylinder and two-stage compression cylinder.
A kind of anti-gas-leak compression cylinder of replaceable shaft matrix, in which: one stage of compression cylinder include downtake pipe, first into
Tracheae, downtake pipe lid, the first air inlet pipe lid, level-one shaft matrix, level-one slide plate, level-one shaft, level-one grinding tooth rotor, one
Grade eccentric bushing, level-one inlet channel, level-one outlet passageway, level-one notch, level-one return flow line, level-one placed cavity, one stage of compression
Chamber, one stage of compression cylinder side are equipped with downtake pipe, and downtake pipe one end is connect with downtake pipe lid, and one stage of compression cylinder is another
Side is equipped with the first air inlet pipe, and first air inlet pipe one end is connect with the first air inlet pipe lid, and one stage of compression cylinder interior is put equipped with level-one
Chamber and one stage of compression chamber are set, is equipped with level-one shaft matrix and level-one shaft, level-one shaft matrix side and one in level-one placed cavity
Grade is placed cavity wall and is fitted closely, and the level-one shaft matrix other side is fitted closely with level-one shaft, and level-one slide plate is fitted tightly over
It between two pieces of level-one shafts, is fixedly connected at the top of level-one slide plate with level-one grinding tooth rotor top, level-one grinding tooth rotor is arranged one
In grade compression chamber, it is equipped with level-one eccentric bushing in level-one grinding tooth rotor, is equipped with level-one inlet channel, first exhaust in the first air inlet pipe
Pipe interior bottom portion is equipped with level-one outlet passageway, and level-one inlet channel, level-one outlet passageway are communicated with one stage of compression chamber, first exhaust
Pipe inside top is equipped with level-one return flow line, and level-one return flow line is above level-one outlet passageway, level-one outlet passageway and level-one
Return flow line one end is equipped with level-one notch, and level-one outlet passageway is connected to level-one return flow line by level-one notch.
A kind of anti-gas-leak compression cylinder of replaceable shaft matrix, in which: two-stage compression cylinder include second exhaust pipe, second into
Tracheae, second exhaust pipe lid, second level notch, second level return flow line, second level outlet passageway, second level grinding tooth rotor, second level eccentric bushing,
Secondary inlet channel, second level shaft matrix, second level shaft, second level slide plate, second level rest area, two-stage compression chamber, two-stage compression cylinder
Top side is equipped with second exhaust pipe, and second exhaust pipe one end is connect with second exhaust pipe lid, is additionally provided at the top of two-stage compression cylinder
Second air inlet pipe, two-stage compression cylinder interior are equipped with second level rest area and two-stage compression chamber, turn inside second level rest area equipped with second level
Axis matrix and second level shaft, second level shaft matrix side are fitted closely with second level rest area inner wall, the second level shaft matrix other side
It is fitted closely with second level shaft side, second level slide plate is fitted tightly between two pieces of second level shafts, second level slide plate bottom and second level
The connection of grinding tooth rotor top, the setting of second level grinding tooth rotor is intracavitary in two-stage compression, and second level eccentric bushing is equipped in second level grinding tooth rotor,
It is equipped with secondary inlet channel in second air inlet pipe, second exhaust pipe interior bottom portion is equipped with second level outlet passageway, second level outlet passageway,
Secondary inlet channel is communicated with two-stage compression chamber, and second exhaust pipe inside top is equipped with second level return flow line, second level return flow line
Above second level outlet passageway, second level return flow line and second level outlet passageway one end are equipped with second level notch, second level return flow line and
Second level outlet passageway is communicated by second level notch.
A kind of anti-gas-leak compression cylinder of replaceable shaft matrix, in which: level-one return flow line is communicated with level-one placed cavity.
A kind of anti-gas-leak compression cylinder of replaceable shaft matrix, in which: second level return flow line is communicated with second level rest area.
(3) beneficial effect
Utility model has the advantages that by setting level-one notch and second level notch, when slide plate move reciprocatingly with
Axis friction, when occurring friction gap for a long time, compressed gas flows in return flow line from notch, return flow line rest area phase
Logical, compressed gas squeezes shaft matrix, remains slide plate with shaft and fits closely, and prevents compression cylinder gas leakage；Turn
Axis matrix is placed in rest area, when needing replacing shaft matrix, dismantles compression cylinder；This birotor compression cylinder anti-gas-leak
Effect is good, is conveniently replaceable shaft matrix, extends the service life of compressor.
Other than above-mentioned described objects, features and advantages, there are also other purposes, feature and excellent for the utility model
Point.Below with reference to figure, the present invention will be further described.
Detailed description of the invention
Fig. 1 is the utility model birotor compression cylinder structure chart.
Fig. 2 is the utility model one stage of compression cylinder cross-sectional view.
Fig. 3 is the utility model one stage of compression cylinder part structure chart.
Fig. 4 is Fig. 3 partial enlarged view.
Fig. 5 is the utility model two-stage compression cylinder cross-sectional view.
Fig. 6 is the utility model two-stage compression cylinder part structure chart.
Fig. 7 is Fig. 6 partial enlarged view.
Appended drawing reference: the first water cover 1, one stage of compression cylinder 2, cylinder head 3, two-stage compression cylinder 4, the second water cover 5, second exhaust
Pipe 6, downtake pipe 7, the first air inlet pipe 8, the second air inlet pipe 9, downtake pipe lid 10, the first air inlet pipe lid 11, level-one turn
Axis matrix 12, level-one slide plate 13, level-one shaft 14, level-one grinding tooth rotor 15, level-one eccentric bushing 16, level-one inlet channel 17, one
Grade outlet passageway 18, level-one notch 19, level-one return flow line 20, level-one rest area 21, one stage of compression chamber 22, second exhaust pipe lid
23, second level notch 24, second level return flow line 25, second level outlet passageway 26, second level grinding tooth rotor 27, second level eccentric bushing 28, second level
Inlet channel 29, second level shaft matrix 30, second level shaft 31, second level slide plate 32, second level rest area 33, two-stage compression chamber 34.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Embodiment 1 please refers to Fig. 1-Fig. 7, a kind of anti-gas-leak compression cylinder of replaceable shaft matrix, including the first water cover 1,
One stage of compression cylinder 2, cylinder head 3, two-stage compression cylinder 4, the second water cover 5；Wherein: the first water cover 1 passes through bolt and one stage of compression cylinder 2
Connection, the second water cover 5 are fixedly connected by bolt with 4 side of two-stage compression cylinder, one stage of compression cylinder 2, cylinder head 3 and two-stage compression
Cylinder 4 is bolted to connection, and cylinder head 3 is fixed between one stage of compression cylinder 2 and two-stage compression cylinder 4.
Embodiment 2 please refers to Fig. 2, Fig. 3 and Fig. 4, a kind of anti-gas-leak compression cylinder of replaceable shaft matrix, in which: level-one
Compression cylinder 2 includes downtake pipe 7, the first air inlet pipe 8, downtake pipe lid 10, the first air inlet pipe lid 11, level-one shaft matrix
12, level-one slide plate 13, level-one shaft 14, level-one grinding tooth rotor 15, level-one eccentric bushing 16, level-one inlet channel 17, level-one outlet
Channel 18, level-one notch 19, level-one return flow line 20, level-one rest area 21, one stage of compression chamber 22,2 side of one stage of compression cylinder are set
Have downtake pipe 7,7 one end of downtake pipe is connect with downtake pipe lid 10,2 other side of one stage of compression cylinder be equipped with first into
Tracheae 8,8 one end of the first air inlet pipe are connect with the first air inlet pipe lid 11, and level-one rest area 21 and one are equipped with inside one stage of compression cylinder 2
Grade compression chamber 22, is equipped with level-one shaft matrix 12 and level-one shaft 14 in level-one rest area 21,12 side of level-one shaft matrix with
21 inner wall of level-one rest area fits closely, and 12 other side of level-one shaft matrix is fitted closely with level-one shaft 14, level-one slide plate 13
Be fitted tightly between two pieces of level-one shafts 14, the top of level-one slide plate 13 be fixedly connected at the top of level-one grinding tooth rotor 15, level-one
Grinding tooth rotor 15 is arranged in one stage of compression chamber 22, is equipped with level-one eccentric bushing 16 in level-one grinding tooth rotor 15, in the first air inlet pipe 8
Equipped with level-one inlet channel 17,7 interior bottom portion of downtake pipe is equipped with level-one outlet passageway 18, level-one inlet channel 17, level-one
Outlet passageway 18 is communicated with one stage of compression chamber 22, and 7 inside top of downtake pipe is equipped with level-one return flow line 20, and level-one reflux is logical
Above level-one outlet passageway 18, level-one outlet passageway 18 and 20 one end of level-one return flow line are equipped with level-one notch 19 in road 20, and one
Grade outlet passageway 18 is connected to level-one return flow line 20 by level-one notch 19.Remaining is the same as embodiment 1.
Embodiment 3 please refers to Fig. 5, Fig. 6 and Fig. 7, a kind of anti-gas-leak compression cylinder of replaceable shaft matrix, in which: second level
Compression cylinder 4 include second exhaust pipe 6, the second air inlet pipe 9, second exhaust pipe lid 23, second level notch 24, second level return flow line 25,
Second level outlet passageway 26, second level grinding tooth rotor 27, second level eccentric bushing 28, secondary inlet channel 29, second level shaft matrix 30, second level
Shaft 31, second level slide plate 32, second level rest area 33, two-stage compression chamber 34,4 top side of two-stage compression cylinder are equipped with second exhaust pipe
6,6 one end of second exhaust pipe is connect with second exhaust pipe lid 23, and the second air inlet pipe 9, second level pressure are additionally provided at the top of two-stage compression cylinder 4
It is equipped with second level rest area 33 and two-stage compression chamber 34 inside contracting cylinder 4, is equipped with 30 He of second level shaft matrix inside second level rest area 33
Second level shaft 31,30 side of second level shaft matrix are fitted closely with 33 inner wall of second level rest area, 30 other side of second level shaft matrix
It is fitted closely with 31 side of second level shaft, second level slide plate 32 is fitted tightly between two pieces of second level shafts 31,32 bottom of second level slide plate
It is connected at the top of portion and second level grinding tooth rotor 27, second level grinding tooth rotor 27 is arranged in two-stage compression chamber 34, second level grinding tooth rotor 27
It is interior to be equipped with second level eccentric bushing 28, secondary inlet channel 29 is equipped in the second air inlet pipe 9,6 interior bottom portion of second exhaust pipe is equipped with two
Grade outlet passageway 26, second level outlet passageway 26, secondary inlet channel 29 are communicated with two-stage compression chamber 34, inside second exhaust pipe 6
Top is equipped with second level return flow line 25, and second level return flow line 25 is above second level outlet passageway 26, second level return flow line 25 and two
Grade 26 one end of outlet passageway is equipped with second level notch 24, and second level return flow line 25 and second level outlet passageway 26 pass through 24 phase of second level notch
It is logical.Remaining is the same as embodiment 1.
Embodiment 4 please refers to Fig. 2 and Fig. 3, a kind of anti-gas-leak compression cylinder of replaceable shaft matrix, in which: level-one reflux
Channel 20 is communicated with level-one rest area 21, reflux compressed gas level-one shaft matrix 12 is squeezed, make level-one slide plate 13 with
Level-one shaft 14, which remains, to be fitted closely.Remaining is the same as embodiment 1.
Embodiment 5 please refers to Fig. 5 and Fig. 6, a kind of anti-gas-leak compression cylinder of replaceable shaft matrix, in which: second level reflux
Channel 25 is communicated with second level rest area 33, reflux compressed gas second level shaft matrix 30 is squeezed, make second level slide plate 32 with
Second level shaft 31, which remains, to be fitted closely.Remaining is the same as embodiment 1.
Working principle:
When work, gas enters in one stage of compression cylinder 2 from the level-one inlet channel 17 in the first air inlet pipe 8, electric machine main shaft
Level-one eccentric bushing 16 is driven to rotate, level-one grinding tooth rotor 15 is rotated in one stage of compression chamber 22, is compressed to gas, compressed gas
It is flowed out from level-one outlet passageway 18, compressed gas flows in level-one return flow line 20 through level-one notch 19, level-one return flow line 20
It is communicated with level-one rest area 21, compressed gas squeezes level-one shaft matrix 12, when level-one slide plate 13 is moving reciprocatingly
It rubs with level-one shaft 14, when occurring friction gap for a long time, level-one slide plate 13 and level-one shaft 14 is made to remain close patch
It closes, prevents 2 gas leakage of one stage of compression cylinder；The gas compressed through one stage of compression cylinder 2 is from the secondary inlet channel 29 in the second air inlet pipe 9
Into in two-stage compression cylinder 4, through 4 second-compressed of two-stage compression cylinder, compressed gas is flowed out from second level outlet passageway 26, through second-level groove
Mouth 24 flows into second level return flow line 25, and second level return flow line 25 is communicated with second level rest area 33, and compressed gas is to second level shaft
Matrix 30 squeeze, when second level slide plate 32 moving reciprocatingly and second level shaft 31 rub, for a long time occur friction gap when, make two
Grade slide plate 32 is remained with second level shaft 31 to be fitted closely, and 4 gas leakage of two-stage compression cylinder is prevented；When needing replacing level-one shaft base
Body 12 and second level shaft matrix 30, since level-one shaft matrix 12 and second level shaft matrix 30 are individually positioned in level-one rest area 21
In second level rest area 33, one stage of compression cylinder 2 and two-stage compression cylinder 4 are dismantled, by level-one shaft matrix 12 and second level shaft matrix
30 take out.
It should be noted that the terms "include", "comprise" or its any other variant are intended to the packet of nonexcludability
Contain, so that the process, method, article or equipment for including a series of elements not only includes those elements, but also including
Other elements that are not explicitly listed, or further include for elements inherent to such a process, method, article, or device.
In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including the element
Process, method, article or equipment in there is also other identical elements.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of anti-gas-leak compression cylinder of replaceable shaft matrix, including the first water cover (1), one stage of compression cylinder (2), cylinder head
(3), two-stage compression cylinder (4), the second water cover (5)；It is characterized by: the first water cover (1) is connected by bolt and one stage of compression cylinder (2)
It connects, the second water cover (5) is fixedly connected by bolt with two-stage compression cylinder (4) side, one stage of compression cylinder (2), cylinder head (3) and two
Grade compression cylinder (4) is bolted to connection, and cylinder head (3) is fixed between one stage of compression cylinder (2) and two-stage compression cylinder (4).
2. a kind of anti-gas-leak compression cylinder of replaceable shaft matrix according to claim 1, it is characterised in that: one stage of compression
Cylinder (2) includes downtake pipe (7), the first air inlet pipe (8), downtake pipe lid (10), the first air inlet pipe lid (11), level-one turn
Axis matrix (12), level-one slide plate (13), level-one shaft (14), level-one grinding tooth rotor (15), level-one eccentric bushing (16), level-one air inlet
Channel (17), level-one outlet passageway (18), level-one notch (19), level-one return flow line (20), level-one placed cavity (21), level-one pressure
Contracting chamber (22), one stage of compression cylinder (2) side are equipped with downtake pipe (7), downtake pipe (7) one end and downtake pipe lid
(10) it connects, one stage of compression cylinder (2) other side is equipped with the first air inlet pipe (8), the first air inlet pipe (8) one end and the first air inlet pipe lid
(11) it connects, level-one placed cavity (21) and one stage of compression chamber (22) is equipped with inside one stage of compression cylinder (2), level-one placed cavity (21) is interior
Equipped with level-one shaft matrix (12) and level-one shaft (14), level-one shaft matrix (12) side and level-one placed cavity (21) inner wall are tight
Closely connected conjunction, level-one shaft matrix (12) other side are fitted closely with level-one shaft (14), and level-one slide plate (13) is fitted tightly over two
Between block level-one shaft (14), it is fixedly connected at the top of level-one slide plate (13) with level-one grinding tooth rotor (15) top, level-one grinding tooth turns
Sub (15) setting is equipped with level-one eccentric bushing (16) in level-one grinding tooth rotor (15), the first air inlet pipe in one stage of compression chamber (22)
(8) level-one inlet channel (17) are equipped in, downtake pipe (7) interior bottom portion is equipped with level-one outlet passageway (18), level-one air inlet
Channel (17), level-one outlet passageway (18) are communicated with one stage of compression chamber (22), and downtake pipe (7) inside top is returned equipped with level-one
Circulation road (20), level-one return flow line (20) above level-one outlet passageway (18), level-one outlet passageway (18) and level-one flow back
Channel (20) one end is equipped with level-one notch (19), and level-one outlet passageway (18) and level-one return flow line (20) pass through level-one notch
(19) it is connected to.
3. a kind of anti-gas-leak compression cylinder of replaceable shaft matrix according to claim 1, it is characterised in that: two-stage compression
Cylinder (4) includes that second exhaust pipe (6), the second air inlet pipe (9), second exhaust pipe lid (23), second level notch (24), second level reflux are logical
Road (25), second level outlet passageway (26), second level grinding tooth rotor (27), second level eccentric bushing (28), secondary inlet channel (29), second level
Shaft matrix (30), second level shaft (31), second level slide plate (32), second level rest area (33), two-stage compression chamber (34), two-stage compression
Cylinder (4) top side is equipped with second exhaust pipe (6), and second exhaust pipe (6) one end is connect with second exhaust pipe lid (23), second level pressure
It is additionally provided with the second air inlet pipe (9) at the top of contracting cylinder (4), second level rest area (33) and two-stage compression is equipped with inside two-stage compression cylinder (4)
Chamber (34) is equipped with second level shaft matrix (30) and second level shaft (31), second level shaft matrix (30) inside second level rest area (33)
Side is fitted closely with second level rest area (33) inner wall, and second level shaft matrix (30) other side and second level shaft (31) side are close
Fitting, second level slide plate (32) are fitted tightly between two pieces of second level shafts (31), and second level slide plate (32) bottom and second level grinding tooth turn
Connection at the top of sub (27), second level grinding tooth rotor (27) setting are equipped in second level grinding tooth rotor (27) in two-stage compression chamber (34)
Second level eccentric bushing (28), the second air inlet pipe (9) is interior to be equipped with secondary inlet channel (29), and second exhaust pipe (6) interior bottom portion is equipped with
Second level outlet passageway (26), second level outlet passageway (26), secondary inlet channel (29) are communicated with two-stage compression chamber (34), second row
Tracheae (6) inside top is equipped with second level return flow line (25), second level return flow line (25) above the second level outlet passageway (26), two
Grade return flow line (25) and second level outlet passageway (26) one end are equipped with second level notch (24), and second level return flow line (25) and second level go out
Gas channel (26) is communicated by second level notch (24).
4. a kind of anti-gas-leak compression cylinder of replaceable shaft matrix according to claim 2, it is characterised in that: level-one reflux
Channel (20) is communicated with level-one placed cavity (21).
5. a kind of anti-gas-leak compression cylinder of replaceable shaft matrix according to claim 3, it is characterised in that: second level reflux
Channel (25) is communicated with second level rest area (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822050154.8U CN209539552U (en) | 2018-12-07 | 2018-12-07 | A kind of anti-gas-leak compression cylinder of replaceable shaft matrix |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822050154.8U CN209539552U (en) | 2018-12-07 | 2018-12-07 | A kind of anti-gas-leak compression cylinder of replaceable shaft matrix |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209539552U true CN209539552U (en) | 2019-10-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822050154.8U Expired - Fee Related CN209539552U (en) | 2018-12-07 | 2018-12-07 | A kind of anti-gas-leak compression cylinder of replaceable shaft matrix |
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| Country | Link |
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| CN (1) | CN209539552U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109519381A (en) * | 2018-12-07 | 2019-03-26 | 江西氟斯新能源科技有限公司 | A kind of anti-gas-leak birotor compression cylinder of replaceable shaft matrix |
-
2018
- 2018-12-07 CN CN201822050154.8U patent/CN209539552U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109519381A (en) * | 2018-12-07 | 2019-03-26 | 江西氟斯新能源科技有限公司 | A kind of anti-gas-leak birotor compression cylinder of replaceable shaft matrix |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191025 |