CN103742418B - Pure working medium impeller mechanism - Google Patents
Pure working medium impeller mechanism Download PDFInfo
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- CN103742418B CN103742418B CN201410006956.2A CN201410006956A CN103742418B CN 103742418 B CN103742418 B CN 103742418B CN 201410006956 A CN201410006956 A CN 201410006956A CN 103742418 B CN103742418 B CN 103742418B
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- impeller
- rotary shaft
- bearing
- working medium
- housing
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Abstract
The present invention relates to the energy and dynamic field, specifically disclose a kind of pure working medium impeller mechanism, including rotary shaft, at least one bearing, at least one impeller mechanism and quantity at least equal to the balance channel of number of bearings, all described impeller mechanisms are connected with described rotary shaft and arrange；The shell integrated setting of all described impeller mechanisms is housing；When described impeller mechanism is two or more, between two adjacent described impeller mechanisms, described housing is equipped with described rotary shaft rotary seal；Each described bearing supports setting between described rotary shaft and described housing, and the space at two end face places of each described bearing connects through balance channel at least one described.The present invention can be prevented effectively from the lubricant medium of bearing and mix with working medium, thus avoids the impact being mixed into the heat-transfer capability on working medium of lubricant medium, and then improves cycle efficieny.
Description
Technical field
The present invention relates to the energy and dynamic field, a kind of pure working medium impeller mechanism.
Background technology
In thermodynamic cycle process, mechanism generally requires lubrication, and the mixing of lubricant medium and working medium can have a strong impact on the heat transfer properties of working medium, and then affects the efficiency of system, it is thus desirable to invention one, it is possible to avoid the thermodynamic cycle impeller mechanism that lubricant medium mixes with working medium.
Summary of the invention
In order to solve the problems referred to above, the technical solution used in the present invention is as follows:
Scheme 1: a kind of pure working medium impeller mechanism, including rotary shaft, at least one bearing, at least one impeller mechanism and quantity at least equal to the balance channel of number of bearings, all described impeller mechanisms are connected with described rotary shaft and arrange；The shell integrated setting of all described impeller mechanisms is housing；When described impeller mechanism is two or more, between two adjacent described impeller mechanisms, described housing is equipped with described rotary shaft rotary seal；Each described bearing supports setting between described rotary shaft and described housing, and the space at two end face places of each described bearing connects through balance channel at least one described.
Scheme 2: on the basis of scheme 1, the most selectable, at least one described balance channel is arranged in described rotary shaft.
Scheme 3: on the basis of scheme 1 or scheme 2, the most selectable, at least one described balance channel is arranged on the housing.
Scheme 4: in scheme 1 to scheme 3 on the basis of either a program, the most selectable, described impeller mechanism is set to axial wheel compressor or is set to radial-flow impeller compressor.
Scheme 5: in scheme 1 to scheme 4 on the basis of either a program, the most selectable, described impeller mechanism is set to axial-flow turbine or is set to Inflow Turbine.
Scheme 6: a kind of pure working medium impeller mechanism, including rotary shaft, bearing, wheel compresses mechanism, impeller acting mechanism and at least one balance channel, described wheel compresses mechanism is connected with described rotary shaft and arranges, described impeller acting mechanism and described rotary shaft are connected and arrange, and the shell integrated setting of the shell of described wheel compresses mechanism and described impeller acting mechanism is housing；Doing work between mechanism in described wheel compresses mechanism and described impeller, described bearing supports setting between described rotary shaft and described housing；Between described wheel compresses mechanism and described bearing, described housing and described rotary shaft rotary seal are equipped with, and/or described housing and described rotary shaft rotary seal are equipped with between impeller acting mechanism and described bearing；The space at two end face places of described bearing connects through all described balance channels.
Scheme 7: on the basis of scheme 6, the most selectable, at least one described balance channel is arranged in described rotary shaft.
Scheme 8: on the basis of scheme 6 or scheme 7, the most selectable, at least one described balance channel is arranged on the housing.
Scheme 9: in scheme 6 to scheme 8 on the basis of either a program, the most selectable, described wheel compresses mechanism is set to axial wheel compressor or is set to radial-flow impeller compressor.
Scheme 10: in scheme 6 to scheme 9 on the basis of either a program, the most selectable, described impeller acting mechanism be set to axial-flow turbine or be set to Inflow Turbine.
Scheme 11: a kind of pure working medium impeller mechanism, including rotary shaft, bearing, wheel compresses mechanism, impeller acting mechanism sum amount at least equal to the balance channel of number of bearings, described wheel compresses mechanism is connected with described rotary shaft and arranges, described impeller acting mechanism and described rotary shaft are connected and arrange, and the shell integrated setting of the shell of described wheel compresses mechanism and described impeller acting mechanism is housing；Doing work between mechanism in described wheel compresses mechanism and described impeller, described housing and described rotary shaft rotary seal are equipped with；In at least one end of described rotary shaft, described bearing supports setting between described rotary shaft and described housing；The space at two end face places of each described bearing connects through balance channel at least one described.
Scheme 12: on the basis of scheme 11, the most selectable, at least one described balance channel is arranged in described rotary shaft.
Scheme 13: on the basis of scheme 11 or scheme 12, the most selectable, at least one described balance channel is arranged on the housing.
Scheme 14: in scheme 11 to scheme 13 on the basis of either a program, the most selectable, described wheel compresses mechanism is set to axial wheel compressor or is set to radial-flow impeller compressor.
Scheme 15: in scheme 11 to scheme 14 on the basis of either a program, the most selectable, described impeller acting mechanism be set to axial-flow turbine or be set to Inflow Turbine.
Scheme 16: in above-mentioned all schemes on the basis of either a program, the most selectable, described bearing is set to rolling bearing or is set to sliding bearing.
Scheme 17: in above-mentioned all schemes on the basis of either a program, the most selectable, described bearing is set to the bearing having bearing seal cover, covers in described bearing seal and sets working medium opening.
In the present invention, so-called " balance channel " refers to working medium circulation passage, and its effect is the pressure balance making described bearing two ends, thus avoids the outflow of the lubricant medium of described bearing, and then avoids the mixing of lubricant medium and working medium.
In the present invention, described balance channel is being arranged in the structure in described rotary shaft, the two ends of described balance channel, can be arranged on the end face of described rotary shaft with one end, the other end is arranged on the surface of described rotary shaft, can also be all disposed within the surface of described rotary shaft at the two ends of described balance channel, be all disposed within the two ends of described balance channel in the structure on the surface of described rotary shaft, the pump efficiency that can avoid described balance channel should.
In the present invention, cover in described bearing seal that to set the purpose of described working medium opening be to make the pressure of described Bearing inner and outside be rapidly achieved balance, the diameter of described working medium opening should determine according to the size of described bearing, under conditions of not affecting pressure balance, the least.
Described pure working medium impeller mechanism disclosed in this invention may be used for the thermodynamic cycle for the purpose of output power, it is also possible to for the thermodynamic cycle for the purpose of refrigeration.
In the present invention, parts, unit or the system of necessity should be set according to the known technology of the energy Yu dynamic field in necessary place.
Beneficial effects of the present invention is as follows:
The present invention can be prevented effectively from the lubricant medium of bearing and mix with working medium, thus avoids the impact being mixed into the heat-transfer capability on working medium of lubricant medium, and then improves cycle efficieny.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention 1；
Fig. 2 is the structural representation of the embodiment of the present invention 2；
Fig. 3 is the structural representation of the embodiment of the present invention 3；
Fig. 4 is the structural representation of the embodiment of the present invention 4；
Fig. 5 is the structural representation of the embodiment of the present invention 5；
Fig. 6 is the structural representation of the embodiment of the present invention 6；
Fig. 7 is the structural representation of the embodiment of the present invention 7；
Fig. 8 is the structural representation of the embodiment of the present invention 8；
Fig. 9 is the structural representation of the embodiment of the present invention 9；
Figure 10 is the structural representation of the embodiment of the present invention 10；
In figure:
1 rotary shaft, 2 bearings, 3 impeller mechanisms, 4 balance channels, 5 housings, 6 wheel compresses mechanisms, 7 impellers acting mechanism.
Detailed description of the invention
Embodiment 1
Pure working medium impeller mechanism as shown in Figure 1, including rotary shaft 2, impeller mechanism 3 of 1, bearing and a balance channel 4, described impeller mechanism 3 is connected with described rotary shaft 1 and arranges；Described impeller mechanism 3 has housing 5；Described bearing 2 supports setting between described rotary shaft 1 and described housing 5, and the space at two end face places of described bearing 2 connects through described balance channel 4, and described balance channel 4 is arranged on described housing 5.
Embodiment 2
Pure working medium impeller mechanism as shown in Figure 2, it is on the basis of embodiment 1, described impeller mechanism 3 is set to impeller acting mechanism 7.
Embodiment 3
Pure working medium impeller mechanism as shown in Figure 3, it is on the basis of embodiment 1, and described impeller mechanism 3 is set to wheel compresses mechanism 6.
Embodiment 4
Pure working medium impeller mechanism as shown in Figure 4, it is with the difference of embodiment 1, described balance channel 4 is arranged in described rotary shaft 1 replacement and is arranged on described housing 5.
As the embodiment that can convert of embodiment 1 to embodiment 4, the described balance channel 4 of more than two can be optionally set, make the space at two end face places of this described bearing 2 connect through all described balance channels 4.
The embodiment that can convert as embodiment 1 to embodiment 4, described pure working medium impeller mechanism can also include two or more described bearing 2, now need to arrange two or more described balance channel 4, and the quantity of described balance channel 4 is at least equal with the quantity of described bearing 2 so that the space at two end face places of each described bearing 2 can connect through balance channel described at least one 4.
The embodiment that can convert as embodiment 1 to embodiment 4, described pure working medium impeller mechanism can also include two or more described impeller mechanism 3, now, it is housing 5 by the shell integrated setting of all described impeller mechanisms 3, between two adjacent described impeller mechanisms 3, need to be equipped with described housing 5 with the rotary seal of described rotary shaft 1；All described impeller mechanisms 3 can all referring to embodiment 2 be set to described impeller acting mechanism 7, or it is set to described wheel compresses mechanism 6 all referring to embodiment 3, can also a part be set to described impeller acting mechanism 7, another part is set to described wheel compresses mechanism 6；This described bearing 2 can be arranged between two adjacent described blade wheel structures 3, one end of described rotary shaft 1 can also be arranged on, or, plural described bearing 2 can be set, how the most described bearing 2 is arranged, it is required for ensureing that the quantity of described balance channel 4 is at least equal with the quantity of described bearing 2 so that the space at two end face places of each described bearing 2 can connect through balance channel described at least one 4.
Embodiment 1, embodiment 4 and disposable embodiment thereof, when specific embodiment, concrete for described impeller mechanism 3 can be set to axial wheel compressor or be set to radial-flow impeller compressor, or concrete for described impeller mechanism 3 is set to axial-flow turbine or is set to Inflow Turbine；Embodiment 2 and disposable embodiment thereof in the specific implementation can be concrete by described impeller acting mechanism 7 be set to axial-flow turbine or be set to Inflow Turbine；Embodiment 3 and disposable embodiment thereof can be concrete when specific embodiment described wheel compresses mechanism 6 is set to axial wheel compressor or is set to radial-flow impeller compressor.
Embodiment 5
Pure working medium impeller mechanism as shown in Figure 5, including rotary shaft 1, bearing 2, wheel compresses mechanism 6, impeller acting mechanism 7 and a balance channel 4, described wheel compresses mechanism 6 is connected with described rotary shaft 1 and arranges, described impeller does work, and mechanism 7 is connected with described rotary shaft 1 to be arranged, the shell of described wheel compresses mechanism 6 and described impeller acting mechanism 7 shell integrated setting be housing 5, doing work between mechanism 7 in described wheel compresses mechanism 6 and described impeller, described bearing 2 supports setting between described rotary shaft 1 and described housing 5；Between described wheel compresses mechanism 6 and described bearing 2, described housing 5 and described rotary shaft 1 rotary seal are equipped with, between impeller acting mechanism 7 and described bearing 2, described housing 5 and described rotary shaft 1 rotary seal are equipped with, the space at two end face places of described bearing 2 connects through described balance channel 4, described balance channel 4 is arranged in described rotary shaft 1, and the concrete inside being arranged on described rotary shaft 1.
Embodiment 6
Pure working medium impeller mechanism as shown in Figure 6, it is with the difference of embodiment 5: described balance channel 4 is arranged on described housing 5 replacement and is arranged in described rotary shaft 1.
Embodiment 7
Pure working medium impeller mechanism as shown in Figure 7, it is with the difference of embodiment 5: described balance channel 4 is arranged on the surface of described rotary shaft 1 inside replacing being arranged on described rotary shaft 1.
Embodiment 8
Pure working medium impeller mechanism as shown in Figure 8, the difference of itself and embodiment 7 is: the rotary seal cancelled between described wheel compresses mechanism 6 and described bearing 2 between described housing 5 and described rotary shaft 1 is equipped with.
The embodiment that can convert as embodiment 5 to embodiment 7, can select between described wheel compresses mechanism 6 and described bearing 2 and between described impeller acting mechanism 7 and described bearing 2 and at one, described housing 5 and described rotary shaft 1 rotary seal are equipped with, and/or, the described balance channel 4 of more than two can be set, make the space at two end face places of this described bearing 2 connect through all described balance channels 4.
Embodiment 5 to embodiment 8 and disposable embodiment thereof, when specific embodiment, concrete for described wheel compresses mechanism 6 can be set to axial wheel compressor or be set to radial-flow impeller compressor, it is also possible to by concrete being set to axial-flow turbine or be set to Inflow Turbine of described impeller acting mechanism 7.
Embodiment 9
Pure working medium impeller mechanism as shown in Figure 9, including rotary shaft 1, two bearings 2, wheel compresses mechanism 6, impeller acting mechanism 7 and two balance channels 4, described wheel compresses mechanism 6 is connected with described rotary shaft 1 and arranges, described impeller does work, and mechanism 7 is connected with described rotary shaft 1 to be arranged, the shell of described wheel compresses mechanism 6 and described impeller acting mechanism 7 shell integrated setting be housing 5, do work between mechanism 7 in described wheel compresses mechanism 6 and described impeller, described housing 5 and described rotary shaft 1 rotary seal are equipped with, two ends in described rotary shaft 1, described bearing 2 supports setting between described rotary shaft 1 and described housing 5；The described balance channel 4 in one, the space at two end face places of each described bearing 2 connects, and is arranged on described housing 5 by two described balance channels 4.
In the present embodiment, the described impeller acting sender property outlet of mechanism 7, the working medium entrance of described wheel compresses mechanism 6 are arranged on the outside of described pure working medium impeller mechanism.
Embodiment 10
Pure working medium impeller mechanism as shown in Figure 10, it is with the difference of embodiment 9: two described balance channels 4 are arranged in described rotary shaft 1 replacement and are arranged on described housing 5.
In the present embodiment, orientation as shown in Figure 10, the one end of the described balance channel 4 being positioned at left side is arranged on the end face of described rotary shaft 1, and the other end is arranged on the surface of described rotary shaft 1, and the two ends of the described balance channel 4 being positioned at right side are all disposed within the surface of described rotary shaft 1.
In the present embodiment, the described impeller acting sender property outlet of mechanism 7, the working medium entrance of described wheel compresses mechanism 6 are all disposed within the described housing 5 between described impeller acting mechanism 7 and described wheel compresses mechanism 6.
As embodiment 9 and the embodiment that can convert of embodiment 10, two described balance channels 4 can one be arranged on described housing 5, another is arranged in described rotary shaft 1；Can also arrange the described balance channel 4 of three or more than three, now, at least the above balance channel 4 of two, the space at two end face places of a described bearing 2 connects.
As embodiment 9 and the disposable embodiment of embodiment 10, selectable cancellation is arranged on the described bearing 2 of any one end in described rotary shaft 1 two ends, it is of course possible to set up described bearing 2 in place, now, should ensure that the quantity quantity at least equal to described bearing 2 of described balance channel 4, and make the space at two end face places of each described bearing 2 connect through balance channel at least one described 4.
Embodiment 9 and embodiment 10 and disposable embodiment thereof, when specific embodiment, concrete for described wheel compresses mechanism 6 can be set to axial wheel compressor or be set to radial-flow impeller compressor, it is also possible to by concrete being set to axial-flow turbine or be set to Inflow Turbine of described impeller acting mechanism 7.
In the present invention, in all embodiments being provided with two and two the above balance channels 4, optionally make, all described balance channels 4 are all disposed within described housing 5 or are all disposed within described rotary shaft 1, or some described balance channel 4 is arranged in described rotary shaft 1, and another part is arranged on described housing 5.
Embodiments of the invention 4, embodiment 5(or embodiment 7, embodiment 8), in embodiment 10, give and described balance channel 4 is arranged on several detailed description of the invention in described rotary shaft 1, for all in the present invention, described balance channel 4 is arranged in the embodiment in described rotary shaft 1, all can refer to the various embodiments described above and select the concrete form of described balance channel 4, do not limited by the form shown in each embodiment.
In above-mentioned all embodiments of the present invention, described bearing 2 can be set to rolling bearing or be set to sliding bearing, it is also possible to described bearing 2 is set to the bearing having bearing seal cover, and cover in described bearing seal and set working medium opening.
It is clear that the invention is not restricted to above example, according to techniques known and technical scheme disclosed in this invention, can derive or association goes out many flexible programs, all these flexible programs, also being regarded as is protection scope of the present invention.
Claims (17)
1. a pure working medium impeller mechanism, including rotary shaft (1), at least one bearing (2), at least one impeller (3)
With quantity at least equal to the balance channel (4) of number of bearings, it is characterised in that: all described impellers (3) and described rotary shaft
(1) be connected setting；The shell integrated setting of all described impellers (3) is housing (5)；When described impeller (3) is two
Time more than individual, between two adjacent described impellers (3), described housing (5) and described rotary shaft (1) rotary seal
It is equipped with；Each described bearing (2) supports setting, Mei Gesuo between described rotary shaft (1) and described housing (5)
The space at two the end face places stating bearing (2) connects through balance channel at least one described (4).
Pure working medium impeller mechanism the most as claimed in claim 1, it is characterised in that: at least one described balance channel (4) sets
Put in described rotary shaft (1).
Pure working medium impeller mechanism the most as claimed in claim 1, it is characterised in that: at least one described balance channel (4) sets
Put on described housing (5).
Pure working medium impeller mechanism the most as claimed in claim 1, it is characterised in that: described impeller (3) is set to axial wheel pressure
Mechanism of qi or be set to radial-flow impeller compressor.
Pure working medium impeller mechanism the most as claimed in claim 1, it is characterised in that: described impeller (3) be set to axial-flow turbine or
It is set to Inflow Turbine.
6. a pure working medium impeller mechanism, including rotary shaft (1), bearing (2), wheel compresses mechanism (6), impeller
Acting mechanism (7) and at least one balance channel (4), it is characterised in that: described wheel compresses mechanism (6) and described rotation
Rotating shaft (1) is connected and arranges, and described impeller acting mechanism (7) is connected with described rotary shaft (1) and arranges, described wheel compresses
The shell integrated setting of the shell of mechanism (6) and described impeller acting mechanism (7) is housing (5)；In described impeller pressure
Between contracting mechanism (6) and described impeller acting mechanism (7), described bearing (2) is at described rotary shaft (1) and described housing
(5) support between and arrange；Described housing (5) and described between described wheel compresses mechanism (6) and described bearing (2)
Rotary shaft (1) rotary seal is equipped with, and/or described between described impeller acting mechanism (7) and described bearing (2)
Housing (5) and described rotary shaft (1) rotary seal are equipped with；The space warp at two end face places of described bearing (2)
All described balance channels (4) connect.
Pure working medium impeller mechanism the most as claimed in claim 6, it is characterised in that: at least one described balance channel (4) sets
Put in described rotary shaft (1).
Pure working medium impeller mechanism the most as claimed in claim 6, it is characterised in that: at least one described balance channel (4) sets
Put on described housing (5).
Pure working medium impeller mechanism the most as claimed in claim 6, it is characterised in that: described wheel compresses mechanism (6) is set to axle
Flow impeller compressor or be set to radial-flow impeller compressor.
Pure working medium impeller mechanism the most as claimed in claim 6, it is characterised in that: described impeller acting mechanism (7) is set to
Axial-flow turbine or be set to Inflow Turbine.
11. 1 kinds of pure working medium impeller mechanisms, including rotary shaft (1), bearing (2), wheel compresses mechanism (6), leaf
Take turns acting mechanism (7) and the quantity balance channel (4) at least equal to number of bearings, it is characterised in that: described turbo-compressor
Structure (6) is connected with described rotary shaft (1) and arranges, and described impeller acting mechanism (7) is connected with described rotary shaft (1) and arranges,
The shell integrated setting of the shell of described wheel compresses mechanism (6) and described impeller acting mechanism (7) is housing (5)；
Do work between mechanism (7) described wheel compresses mechanism (6) and described impeller, described housing (5) and described rotary shaft (1)
Rotary seal is equipped with；In at least one end of described rotary shaft (1), described bearing (2) in described rotary shaft (1) and
Support between described housing (5) and arrange；The space at two end face places of each described bearing (2) is through flat at least one described
Weighing apparatus passage (4) connection.
12. pure working medium impeller mechanisms as claimed in claim 11, it is characterised in that: at least one described balance channel (4)
It is arranged in described rotary shaft (1).
13. pure working medium impeller mechanisms as claimed in claim 11, it is characterised in that: at least one described balance channel (4)
It is arranged on described housing (5).
14. pure working medium impeller mechanisms as claimed in claim 11, it is characterised in that: described wheel compresses mechanism (6) is set to
Axial wheel compressor or be set to radial-flow impeller compressor.
15. pure working medium impeller mechanisms as claimed in claim 11, it is characterised in that: described impeller acting mechanism (7) is set to
Axial-flow turbine or be set to Inflow Turbine.
16. as according to any one of claim 1 to 15 pure working medium impeller mechanism, it is characterised in that: described bearing (2)
It is set to rolling bearing or is set to sliding bearing.
17. as according to any one of claim 1 to 15 pure working medium impeller mechanism, it is characterised in that: described bearing (2)
It is set to the bearing having bearing seal cover, covers in described bearing seal and set working medium opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410006956.2A CN103742418B (en) | 2013-01-08 | 2014-01-07 | Pure working medium impeller mechanism |
Applications Claiming Priority (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310006534 | 2013-01-08 | ||
| CN201310006534.0 | 2013-01-08 | ||
| CN2013100065340 | 2013-01-08 | ||
| CN201310008055 | 2013-01-09 | ||
| CN201310008055.2 | 2013-01-09 | ||
| CN2013100080552 | 2013-01-09 | ||
| CN201410006956.2A CN103742418B (en) | 2013-01-08 | 2014-01-07 | Pure working medium impeller mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103742418A CN103742418A (en) | 2014-04-23 |
| CN103742418B true CN103742418B (en) | 2016-10-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410006956.2A Expired - Fee Related CN103742418B (en) | 2013-01-08 | 2014-01-07 | Pure working medium impeller mechanism |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108869541B (en) * | 2018-01-12 | 2024-04-02 | 刘慕华 | Radial bearing, rotor system and control method of radial bearing |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5890881A (en) * | 1996-11-27 | 1999-04-06 | Alliedsignal Inc. | Pressure balanced turbocharger rotating seal |
| US6449950B1 (en) * | 2000-09-12 | 2002-09-17 | Honeywell International Inc. | Rotor and bearing system for electrically assisted turbocharger |
| CN201461452U (en) * | 2009-07-30 | 2010-05-12 | 上海新沪电机厂有限公司 | Shielding electric pump with inner circulation structure for lithium bromide absorptive air conditioner |
| CN101818735A (en) * | 2010-05-10 | 2010-09-01 | 杭州振兴工业泵制造有限公司 | High-speed multistage turbine vacuum pump and evacuation method thereof |
| CN102374177A (en) * | 2010-08-06 | 2012-03-14 | 陕西工业职业技术学院 | Liquamatic fire control vapor extractor |
-
2014
- 2014-01-07 CN CN201410006956.2A patent/CN103742418B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5890881A (en) * | 1996-11-27 | 1999-04-06 | Alliedsignal Inc. | Pressure balanced turbocharger rotating seal |
| US6449950B1 (en) * | 2000-09-12 | 2002-09-17 | Honeywell International Inc. | Rotor and bearing system for electrically assisted turbocharger |
| CN201461452U (en) * | 2009-07-30 | 2010-05-12 | 上海新沪电机厂有限公司 | Shielding electric pump with inner circulation structure for lithium bromide absorptive air conditioner |
| CN101818735A (en) * | 2010-05-10 | 2010-09-01 | 杭州振兴工业泵制造有限公司 | High-speed multistage turbine vacuum pump and evacuation method thereof |
| CN102374177A (en) * | 2010-08-06 | 2012-03-14 | 陕西工业职业技术学院 | Liquamatic fire control vapor extractor |
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| CN103742418A (en) | 2014-04-23 |
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Effective date of registration: 20201130 Address after: Gaodiquan village, Zhengzhuang sub district office, Cao County, Heze City, Shandong Province Patentee after: Caoxian Runjia new building materials Co., Ltd Address before: 100101, Beijing, Chaoyang District Beiyuan Road, No. 168, Sheng Sheng building, 24 floor Patentee before: MOLECULE POWER BEIJING TECH Co. |
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Granted publication date: 20161005 Termination date: 20210107 |