CN105587862B - Axial plane mechanical seal applied to rotating machinery - Google Patents
Axial plane mechanical seal applied to rotating machinery Download PDFInfo
- Publication number
- CN105587862B CN105587862B CN201610083188.XA CN201610083188A CN105587862B CN 105587862 B CN105587862 B CN 105587862B CN 201610083188 A CN201610083188 A CN 201610083188A CN 105587862 B CN105587862 B CN 105587862B
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- Prior art keywords
- ring
- stationary ring
- rotating machinery
- mechanical seal
- axial plane
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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
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/34—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanical Sealing (AREA)
Abstract
The present invention provides a kind of axial plane mechanical seal applied to rotating machinery, axial plane mechanical seal includes stationary ring, elastic sealed body and shell；Wherein, stationary ring is socketed on the outer circumference surface of the main shaft of rotating machinery, elastic sealed body is socketed on the outer circumference surface of stationary ring, elastic sealed body is placed in shell, outer circumference surface, the inner surface of the longitudinal end of shell and the inner surface of two side walls of elastic sealed body surround the standby pressure chamber of sealing, standby pressure chamber is used to be connected to device for exerting by delivery pipe, and a part of stationary ring being located at radially is placed in shell.The technical solution provided according to the present invention realizes the sealing of rotating machinery by relatively simple, easily assembling structure, and the velocity gradient value between rubbing surface is definite value, and frictional force is small.
Description
Technical field
The present invention relates to mechanical seal field, in particular to a kind of axial plane mechanical seal applied to rotating machinery.
Background technique
Currently, the rotating machinery with rotary part generallys use end surface mechanical sealing.End surface mechanical sealing is that one kind is answered
For the gland seal device of rotating machinery, the rotating machinery is, for example, the equipment such as centrifugal pump, centrifuge and compressor.In whirler
Jie in tool, since transmission shaft is typically opening through inside and outside equipment, there are a circumferential clearance between transmission shaft and equipment, in equipment
Matter may be leaked out by the gap, if pressure is subatmospheric in equipment, air is likely to seep into equipment
Enter, it is therefore necessary to have the gland seal device for preventing leakage or penetrating into.
Regrettably, structure is complicated for end surface mechanical sealing, and disassembly is inconvenient.Such as centrifugal pump, it is necessary to by pump head
After disassembly, end surface mechanical sealing could be dismantled.Also, the assembly precision of end surface mechanical sealing requires high speed between rubbing surface
Degree gradient is variate, and frictional force changes with the variation of velocity gradient value.In addition, end surface mechanical sealing is deposited in use
In the unbalanced phenomenon of axial force, it is more difficult that processing when contingent occurs.Therefore, it is necessary to be directed to existing in the prior art
Drawbacks described above improves.
Summary of the invention
In order to overcome existing for end surface mechanical sealing in the prior art, structure is complicated, disassembly and assembly inconvenience etc. lack
It falls into, this application provides a kind of axial plane mechanical seals applied to rotating machinery.
To achieve the goals above, the present invention provides a kind of axial plane mechanical seal applied to rotating machinery, the axis
Face mechanical seal includes stationary ring, elastic sealed body and shell；Wherein, the stationary ring is socketed in the outer of the main shaft of the rotating machinery
On periphery, the elastic sealed body is socketed on the outer circumference surface of the stationary ring, and the elastic sealed body is placed in the shell
Interior, the outer circumference surface of the elastic sealed body, the inner surface of longitudinal end of the shell and the inner surface of two side walls surround
The standby pressure chamber of sealing, the standby pressure chamber are used to be connected to device for exerting, one be located at radially of the stationary ring by delivery pipe
It is placed in the shell.
Further, rotating ring is provided between the stationary ring and main shaft, the rotating ring is for being socketed in the rotating machinery
Main shaft outer circumference surface on and with the main shaft rotate.
Further, the inner peripheral surface of the stationary ring be equipped at least one closing seam line, the stationary ring be used for by
To the elastic sealed body radial pressure when to the rotating ring shrink so that the outer circle of the closing seam line and the rotating ring
Circumferential surface is bonded to form sealing.
Further, the stationary ring includes sealing ring, and sealing ring described in multilayer stacks together to form cyclic structure.
Further, the sealing ring includes blade, and multiple blades are in the same circumferentially spaced about arrangement.
Further, the sealing ring further includes positioning pin, is provided on the blade for installing the positioning pin
Mounting portion.
Further, the circumferentially-spaced diameter greater than the positioning pin between two adjacent blades.
Further, the stationary ring includes at least two layers of sealing ring, in the central axial direction of the stationary ring, phase
The blade of two layers adjacent of sealing ring is arranged in a staggered manner, and the blade of the sealing ring of two layers of interlayer is aligned setting.
Further, the stationary ring includes at least three layers of sealing ring, in the central axial direction of the stationary ring, phase
The blade of two layers adjacent of sealing ring is arranged in a staggered manner, and the blade of the sealing ring of two layers of interlayer is aligned setting.
Further, the shell includes mutually matched two arch sections.
Further, the fixing piece with through-hole is provided on described two arch sections.
Further, the outer surface of at least one side wall of the shell is provided with seal groove or sealing surface.
It applies the technical scheme of the present invention, the sealing of rotating machinery is realized by relatively simple, easily assembling structure,
And the velocity gradient value between rubbing surface is definite value, and frictional force is small.In addition, reducing assembly precision by the way of socket
Requirement, the fit structure of elastic sealed body and stationary ring etc. is also beneficial to eliminate axial force energy imbalance when using.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present invention, and of the invention shows
Examples and descriptions thereof are used to explain the present invention for meaning property, does not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of the axial plane mechanical seal according to an embodiment of the present invention applied to rotating machinery；
Fig. 2 is the structural schematic diagram of stationary ring according to an embodiment of the present invention；
Fig. 3 is the structural schematic diagram of blade according to an embodiment of the present invention；
Fig. 4 is the structural schematic diagram of rotating ring according to an embodiment of the present invention；
Fig. 5 is the structural schematic diagram of elastic sealed body according to an embodiment of the present invention；
Fig. 6 is the structural schematic diagram of shell according to an embodiment of the present invention；And
Fig. 7 is the cross-sectional view of the axial plane mechanical seal according to an embodiment of the present invention applied to rotating machinery.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
In order to solve defect of the existing technology, the present invention provides a kind of axial plane machinery applied to rotating machinery is close
Envelope, axial plane mechanical seal includes stationary ring 20, elastic sealed body 30 and shell 40；Wherein, stationary ring is socketed in the main shaft of rotating machinery
Outer circumference surface on, elastic sealed body 30 is socketed on the outer circumference surface of stationary ring 20, and elastic sealed body 30 is placed in shell 40, bullet
The outer circumference surface of property seal 30, the inner surface of longitudinal end of shell 40 and the inner surface of two side walls surround the standby pressure of sealing
Chamber, standby pressure chamber are used to be connected to device for exerting by delivery pipe, and a part of stationary ring 20 being located at radially is placed in shell 40.
The technical solution provided according to the present invention realizes the axis of rotating machinery by relatively simple, easily assembling structure
Sealing, and the velocity gradient value between rubbing surface is definite value, and frictional force is small.In addition, reducing dress by the way of socket
The axial force imbalance that the fit structure of requirement with precision, elastic sealed body and stationary ring etc. is also beneficial to eliminate when using is existing
As.
Fig. 1 is the structural schematic diagram of the axial plane mechanical seal according to an embodiment of the present invention applied to rotating machinery, wherein
The side wall of shell is omitted in Fig. 1, to facilitate the display of the end face structure of stationary ring.Fig. 7 is according to an embodiment of the present invention is applied to
The cross-sectional view of the axial plane mechanical seal of rotating machinery.The rotating machinery refers to the mechanical equipment with rotary part, such as from
The equipment such as heart pump, centrifuge and compressor.As illustrated in figures 1 and 7, the axial plane mechanical seal includes rotating ring 10, stationary ring 20, elasticity
Seal 30 and shell 40.
Wherein, rotating ring 10 is provided between stationary ring 20 and main shaft, rotating ring 10 is used to be socketed in the main shaft of the rotating machinery
Outer circumference surface on, and rotating ring 10 can with the main shaft rotate.Stationary ring 20 is socketed on the outer circumference surface of rotating ring 10.Elasticity
Seal 30 is socketed on the outer circumference surface of stationary ring 20.The flexible material such as can use rubber of elastic sealed body 30
It is made.
As shown in fig. 7, shell 40 is socketed on the outer circumference surface of elastic sealed body 30, also, elastic sealed body 30 is placed in
In shell 40, the outer circumference surface of elastic sealed body 30, the inner surface of longitudinal end of shell 40 and the inner surface of two side walls enclose
At the standby pressure chamber of sealing, the standby pressure chamber is used to be connected to device for exerting, one be located at radially of stationary ring 20 by delivery pipe
It is placed in shell 40.As a result, when the axial plane mechanical seal is used for water pump, the device for exerting can be water pump, described
Standby pressure chamber is connected to the pump chamber of water pump by delivery pipe, and certainly, device for exerting can also select other equipment.The device for exerting to
Standby pressure chamber pumped (conveying) medium, medium uniformly press to the outer circumference surface of stationary ring by elastic sealed body, realize between stationary ring and rotating ring
Sealing.
In said structure, rotating ring 10 is combined closely on the outer circumference surface of the main shaft of the rotating machinery, and rotating ring
The 10 connection main shafts rotate together；Corresponding to be, stationary ring 20, elastic sealed body 30 and shell 40 are successively socketed, and
They remain static relative to rotating ring 10 as a whole, thus in the inner peripheral surface of stationary ring 20 and the outer circle of rotating ring 10
Dynamic sealing is formed between circumferential surface.
Also, when rotating ring 10 is rotated with the main shaft, the elastic sealed body that is socketed on the outer circumference surface of stationary ring 20
30 can provide radially inward power for stationary ring 20, so that the outer circumference surface of the inner peripheral surface of stationary ring 20 and rotating ring 10 is close
Fitting.
Axial plane mechanical seal provided in an embodiment of the present invention realizes rotation by relatively simple, easily assembling structure as a result,
The sealing of favourable turn tool, and the velocity gradient value between rubbing surface is definite value, and frictional force is small.In addition, using the side of socket
Formula reduces the requirement of assembly precision, and the fit structure of elastic sealed body and stationary ring etc. is also beneficial to eliminate axial force when using
Energy imbalance.
Preferably, on the inner peripheral surface of stationary ring 20, it is equipped at least one closing seam line.As a result, when stationary ring 20 by
It is shunk when the radial pressure of elastic sealed body 30 to rotating ring 10, so that it may so that the excircle of the closing seam line and rotating ring 10
Face paste closes to form sealing.To further improve the leakproofness between rotating ring 10 and stationary ring 20 by simple structure setting
Energy.Certainly, the quantity of closing seam line can according to sealing performance requirement and the conditions such as actual working environment determine.
Fig. 2 is the structural schematic diagram of stationary ring according to an embodiment of the present invention, and Fig. 3 is blade according to an embodiment of the present invention
Structural schematic diagram.
As shown in Figures 2 and 3, stationary ring 20 may include multilayer sealing ring, and the multilayer sealing ring stacks together to be formed
Cyclic structure；Each sealing ring may include multiple blades 21, and the multiple blade is in the same circumferentially spaced about arrangement, that is,
The multiple blade is separated from each other in the circumferential.Certainly, every layer of sealing ring can also be formed as complete cyclic structure, without
It is composed of more blades 21.The number of plies of sealing ring can be two layers or more than two layers.
Also, every layer of sealing ring can also include positioning pin 22, can be set on blade 21 for installing the positioning pin
Mounting portion.The mounting portion can be the installation through-hole on the blade, and it is close close to the elasticity to be also possible to the blade
Seal the locating slot being arranged on the edge of body.Thus, it is possible to which the blade 21 being located on different layers is connected to one by positioning pin 22
It rises, is conducive to the overall structural strength for improving stationary ring 20.It is of course also possible to which multilayer sealing ring is folded by way of directly crimping
It sets together.
Preferably, circumferentially-spaced greater than described between two adjacent blades when using positioning pin 22
The diameter of positioning pin, when elastic sealed body 30 be stationary ring 20 radially inward power is provided when, with realize stationary ring to contract so that
The closing seam line is bonded to form sealing with the outer circumference surface of rotating ring 10.
Preferably, stationary ring 20 may include at least two layers of sealing ring, and in the central axial direction of stationary ring 20, adjacent
The blade 21 of two layers of sealing ring be arranged in a staggered manner.That is, along the central axial direction of stationary ring 20, in two layers adjacent of sealing ring
On, the end of corresponding two blades 21 is offset from each other setting.
Preferably, as shown in Fig. 2, stationary ring 20 may include three-layer sealed ring, in stationary ring when using positioning pin 22
In 20 central axial direction, the blade 21 of two layers adjacent of sealing ring is arranged in a staggered manner, the blade 21 of two layers of sealing ring of interlayer
Alignment setting.That is, along the central axial direction of stationary ring 20, on two layers adjacent of sealing ring, corresponding two blades 21
End be offset from each other setting, on two layers of sealing ring of interlayer (non-conterminous and alternating floor), corresponding two blades
21 end is alignment setting.
As a result, when elastic sealed body 30 is that stationary ring 20 provides radially inward power, stationary ring is realized to contract, so that
The closing seam line is bonded to form sealing with the outer circumference surface of rotating ring 10, and facilitates and connect different layers using positioning pin 22
Blade 21, be arranged in a staggered manner and be aligned set-up mode also by what is especially set, ensure that the structure of stationary ring 20 in the circumferential is strong
It is uniform to spend uniform Mass Distribution.Certainly, depending on application, the stationary ring 20 with above-mentioned connection and/or set-up mode
It may include the sealing ring more than three layers.
Fig. 4 is the structural schematic diagram of rotating ring according to an embodiment of the present invention.As shown in figure 4, rotating ring 10 is that have a dead axle
To the ring bodies of length, axial length can be determined according to the structure of the matched main shaft.
Fig. 5 is the structural schematic diagram of elastic sealed body according to an embodiment of the present invention.As shown in figure 5, elastic sealed body 30
It is also the ring bodies with certain axial length, axial length can both be less than the axial length of matched stationary ring 20,
The axial length of matched stationary ring 20 can also be greater than.Elastic sealed body 30 is flexible such as can use rubber
Material is made.
Fig. 6 is the structural schematic diagram of shell according to an embodiment of the present invention.In conjunction with Fig. 1 and Fig. 6, shell 40 includes phase interworking
Two arch sections closed collectively form shell for example, two arch sections can cooperate by way of bolt or joggle
The overall structure of body 40.The fixing piece 41 with through-hole can be set on two arch sections, shell 40 is solid by fixing piece 41
It is fixed, such as be fixed on the pump housing.In addition, the outer surface of at least one side wall of shell 40 is provided with seal groove or sealing surface, use
Sealing between the outer surface of the side wall of the shell and the component of fixed shell.
Compared with prior art, the structure of axial plane mechanical seal of the present invention is simple, easy for assemble or unload, and rubs
Velocity gradient value between wiping face is definite value, and frictional force is small, therefore can preferably meet the sealing requirement of rotating machinery.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of axial plane mechanical seal applied to rotating machinery, which is characterized in that the axial plane mechanical seal includes stationary ring, bullet
Property seal and shell；
Wherein, the stationary ring is socketed on the outer circumference surface of the main shaft of the rotating machinery, and the elastic sealed body is socketed in institute
It states on the outer circumference surface of stationary ring, the elastic sealed body is placed in the shell, the outer circumference surface of the elastic sealed body, described
The inner surface of the longitudinal end of shell and the inner surface of two side walls surround the standby pressure chamber of sealing, and the standby pressure chamber is used for by defeated
Pipe is sent to be connected to device for exerting, the device for exerting is to the standby pressure chamber pumped (conveying) medium, and medium is by the elastic sealed body to institute
The outer circumference surface for stating stationary ring uniformly presses, and a part of the stationary ring being located at radially is placed in the shell；
Rotating ring is provided between the stationary ring and main shaft, the rotating ring is used to be socketed in the excircle of the main shaft of the rotating machinery
It is rotated on face and with the main shaft；
The inner peripheral surface of the stationary ring is equipped at least one closing seam line, and the stationary ring is used for by the elastic packing
When the radial pressure of body to the rotating ring shrink so that the closing seam line be bonded with the outer circumference surface of the rotating ring to be formed it is close
Envelope.
2. the axial plane mechanical seal according to claim 1 applied to rotating machinery, which is characterized in that the stationary ring includes
Sealing ring, sealing ring described in multilayer stack together to form cyclic structure.
3. the axial plane mechanical seal according to claim 2 applied to rotating machinery, which is characterized in that the sealing ring packet
Blade is included, multiple blades are in the same circumferentially spaced about arrangement.
4. the axial plane mechanical seal according to claim 3 applied to rotating machinery, which is characterized in that the sealing ring is also
Including positioning pin, the mounting portion for installing the positioning pin is provided on the blade.
5. the axial plane mechanical seal according to claim 4 applied to rotating machinery, which is characterized in that two adjacent institutes
State the circumferentially-spaced diameter greater than the positioning pin between blade.
6. the axial plane mechanical seal according to claim 4 applied to rotating machinery, which is characterized in that the stationary ring includes
At least two layers of sealing ring, in the central axial direction of the stationary ring, the blade of the sealing ring of adjacent two layers is staggered
Setting.
7. the axial plane mechanical seal according to claim 4 applied to rotating machinery, which is characterized in that the stationary ring includes
At least three layers of sealing ring, in the central axial direction of the stationary ring, the blade of the sealing ring of adjacent two layers is staggered
The blade of setting, the sealing ring of two layers of interlayer is aligned setting.
8. the axial plane mechanical seal according to claim 1 applied to rotating machinery, which is characterized in that the shell includes
Mutually matched two arch sections.
9. the axial plane mechanical seal according to claim 8 applied to rotating machinery, which is characterized in that described two arcs
The fixing piece with through-hole is provided on part.
10. the axial plane mechanical seal according to claim 1 applied to rotating machinery, which is characterized in that the shell
The outer surface of at least one side wall is provided with seal groove or sealing surface.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610083188.XA CN105587862B (en) | 2016-02-05 | 2016-02-05 | Axial plane mechanical seal applied to rotating machinery |
| PCT/CN2017/072281 WO2017133554A1 (en) | 2016-02-05 | 2017-01-23 | Shaft surface mechanical seal applied to rotating machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610083188.XA CN105587862B (en) | 2016-02-05 | 2016-02-05 | Axial plane mechanical seal applied to rotating machinery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105587862A CN105587862A (en) | 2016-05-18 |
| CN105587862B true CN105587862B (en) | 2019-05-24 |
Family
ID=55927664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610083188.XA Active CN105587862B (en) | 2016-02-05 | 2016-02-05 | Axial plane mechanical seal applied to rotating machinery |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN105587862B (en) |
| WO (1) | WO2017133554A1 (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105587862B (en) * | 2016-02-05 | 2019-05-24 | 沈阳耐蚀合金泵股份有限公司 | Axial plane mechanical seal applied to rotating machinery |
| CN107387772B (en) * | 2017-08-25 | 2023-05-30 | 西安航天动力研究所 | Compact ultra-high-speed high-temperature-resistant mechanical sealing device |
| CN108214271A (en) * | 2017-12-29 | 2018-06-29 | 厦门健搏自动化科技有限公司 | Steel pipe class polishes machine bearing dustproof and waterproof structure |
| CN108443510A (en) * | 2018-05-16 | 2018-08-24 | 徐拥军 | Rotary shaft sealing |
| EP3608563B1 (en) * | 2018-08-06 | 2021-03-17 | Siemens Energy Global GmbH & Co. KG | Seal for sealing a peripheral gap between two machine components |
| CN110107691A (en) * | 2019-06-04 | 2019-08-09 | 江苏大信环境科技有限公司 | Positive/negative-pressure dynamic rotary sealing structure |
| CN110671230B (en) * | 2019-11-19 | 2021-02-23 | 潍柴动力股份有限公司 | Sealing structure and engine |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11280910A (en) * | 1998-03-30 | 1999-10-15 | Senshin Zairyo Riyo Gas Generator Kenkyusho:Kk | Cylindrical surface seal device |
| JP2000018394A (en) * | 1998-06-30 | 2000-01-18 | Senshin Zairyo Riyo Gas Generator Kenkyusho:Kk | Seal device |
| JP2002048245A (en) * | 2000-08-02 | 2002-02-15 | Yamato Sanko Seisakusho:Kk | Sealing mechanism for rotary cylinder type dryer or the like |
| JP2004068965A (en) * | 2002-08-08 | 2004-03-04 | Toshiba Corp | Contact type sealing device |
| CN101142430A (en) * | 2005-03-18 | 2008-03-12 | 费希尔控制产品国际有限公司 | Split packing follower for use with valves |
| CN101435507A (en) * | 2007-11-15 | 2009-05-20 | 贺尔碧格压缩机技术控股有限公司 | Packing ring combination |
| CN103591012A (en) * | 2013-11-12 | 2014-02-19 | 成都科盛石油科技有限公司 | Sealing device capable of being adjusted automatically |
| CN204061899U (en) * | 2014-09-12 | 2014-12-31 | 陕西生益科技有限公司 | For the gland seal device of washing machine air knife section |
| CN205350351U (en) * | 2016-02-05 | 2016-06-29 | 沈阳耐蚀合金泵股份有限公司 | Be applied to rotating machinery's axial plane mechanical seal |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1008655A (en) * | 1910-11-19 | 1911-11-14 | John H Lewis | Metallic packing for piston-rods. |
| US5558341A (en) * | 1995-01-11 | 1996-09-24 | Stein Seal Company | Seal for sealing an incompressible fluid between a relatively stationary seal and a movable member |
| CN105587862B (en) * | 2016-02-05 | 2019-05-24 | 沈阳耐蚀合金泵股份有限公司 | Axial plane mechanical seal applied to rotating machinery |
-
2016
- 2016-02-05 CN CN201610083188.XA patent/CN105587862B/en active Active
-
2017
- 2017-01-23 WO PCT/CN2017/072281 patent/WO2017133554A1/en active Application Filing
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11280910A (en) * | 1998-03-30 | 1999-10-15 | Senshin Zairyo Riyo Gas Generator Kenkyusho:Kk | Cylindrical surface seal device |
| JP2000018394A (en) * | 1998-06-30 | 2000-01-18 | Senshin Zairyo Riyo Gas Generator Kenkyusho:Kk | Seal device |
| JP2002048245A (en) * | 2000-08-02 | 2002-02-15 | Yamato Sanko Seisakusho:Kk | Sealing mechanism for rotary cylinder type dryer or the like |
| JP2004068965A (en) * | 2002-08-08 | 2004-03-04 | Toshiba Corp | Contact type sealing device |
| CN101142430A (en) * | 2005-03-18 | 2008-03-12 | 费希尔控制产品国际有限公司 | Split packing follower for use with valves |
| CN101435507A (en) * | 2007-11-15 | 2009-05-20 | 贺尔碧格压缩机技术控股有限公司 | Packing ring combination |
| CN103591012A (en) * | 2013-11-12 | 2014-02-19 | 成都科盛石油科技有限公司 | Sealing device capable of being adjusted automatically |
| CN204061899U (en) * | 2014-09-12 | 2014-12-31 | 陕西生益科技有限公司 | For the gland seal device of washing machine air knife section |
| CN205350351U (en) * | 2016-02-05 | 2016-06-29 | 沈阳耐蚀合金泵股份有限公司 | Be applied to rotating machinery's axial plane mechanical seal |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2017133554A1 (en) | 2017-08-10 |
| CN105587862A (en) | 2016-05-18 |
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