CN201786649U - Synchronous-rotation multiphase mixture pump - Google Patents
Synchronous-rotation multiphase mixture pump Download PDFInfo
- Publication number
- CN201786649U CN201786649U CN2010205283057U CN201020528305U CN201786649U CN 201786649 U CN201786649 U CN 201786649U CN 2010205283057 U CN2010205283057 U CN 2010205283057U CN 201020528305 U CN201020528305 U CN 201020528305U CN 201786649 U CN201786649 U CN 201786649U
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- air cylinder
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- 239000000203 mixture Substances 0.000 title abstract description 7
- 230000005540 biological transmission Effects 0.000 claims description 14
- 238000007599 discharging Methods 0.000 claims description 11
- 230000001360 synchronised effect Effects 0.000 claims description 11
- 239000000945 filler Substances 0.000 claims description 9
- 208000020442 loss of weight Diseases 0.000 claims description 3
- 230000014759 maintenance of location Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 2
- 239000003921 oil Substances 0.000 description 66
- 230000006835 compression Effects 0.000 description 8
- 238000007906 compression Methods 0.000 description 8
- 238000000605 extraction Methods 0.000 description 4
- 239000010779 crude oil Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 230000004323 axial length Effects 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2/00—Rotary-piston machines or pumps
- F04C2/30—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
- F04C2/32—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having both the movement defined in groups F04C2/02 and relative reciprocation between co-operating members
- F04C2/332—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having both the movement defined in groups F04C2/02 and relative reciprocation between co-operating members with vanes hinged to the outer member and reciprocating with respect to the inner member
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
A synchronous-rotation multiphase mixture pump comprises a machine body (12), an air cylinder (8), a main shaft (1) and a rotor (10), and is characterized in that the air cylinder (8) is mounted in the machine body (12), the rotor (10) is mounted on the main shaft (1), the main shaft (1) and the air cylinder (8) are mounted eccentrically, the rotor (10) on the main shaft (1) is in line contact with the air cylinder (8), a sliding panel slot (17) is arranged on the rotor (10), one end of a sliding panel (15) is positioned in the sliding panel slot (17), the other end of the sliding panel (15) is hinged with the air cylinder (8), the sliding panel (15) divides a crescent cavity between the air cylinder (8) and the rotor (10) into an oil inlet cavity and an oil discharge cavity, an oil inlet (21) is formed on the air cylinder (8) opposite to the oil inlet cavity and communicated with an annular oil inlet volume cavity (20) in the machine body (12), and an oil discharge port (22) is formed on the rotor (10) corresponding to the oil discharge cavity and discharges oil out of the machine body (12) through an oil discharge channel (18). The utility model has the advantages of simple structure and high efficiency, and works steadily.
Description
Technical field
The utility model relates to a kind of fluid pump, the especially a kind of power plant that oil, gas or gas mixture are carried, specifically a kind of synchronous revolution multiphase mixing transmission pump of being used for.
Background technique
As everyone knows, to carry be that the technical barrier in defeated is mixed in the oil field to the heterogeneous long distance of crude oil, association G﹠W in the oilfield exploitation, especially in the mountain area, desert and marine oil field study focus especially.Oil, gas mix defeated not only can cost saving, simplify technological process and improve tar productivity, also can significantly reduce because the carbon emission amount that the associated gas burning is produced and reclaim associated gas is saved the energy.
The multiphase mixing transmission pump that uses mainly contains two screw pump at present, and double-screw mixing transmission pump is to rely on being meshing with each other of two screw molded lines to form the swept volume of sealing, and oil, gas are carried out supercharging and conveying.But the machining accuracy of the mixed defeated pump displacement dependence molded lines of screw rod is come sealing oil, gas, the size in gap directly affects volumetric efficiency, so the machining accuracy to screw molded lines has proposed higher requirement, the processing technology complexity, also high to the properties of materials requirement, thus the higher cost height caused; Water in the crude oil also can emulsion type lubricant, has destroyed its lubricity, has increased power loss; Grit in the crude oil also can influence volumetric efficiency forming leakage way between the molded lines of rotor and between molded lines and the cylinder surfaces; In order to stop the leakage way that molded lines occurs, often be added with rubber, but when the gas content in the oil gas is higher, compressed temperature improved in the end of a molded lines of rotor, quickened the aging of rubber, reduced the working life that screw rod mixes defeated pump; The relief opening of the mixed defeated pump of screw rod is a fixing position even more noteworthy, the pressure of oil gas constantly changes in the oil field, when oil and gas import or discharge pressure change, will inevitably form overcompression or insufficient compression, cause additional power loss; When screw rod mixed defeated pump work in addition, cylinder was static and rotor move, so will form bigger relative velocity between rotor and cylinder, and its fretting wear is big, has not only caused power dissipation, has also shortened its operating life simultaneously.
Summary of the invention
The purpose of this utility model is commonly usedly in carrying at present oil gas to mix defeated pump because of being subjected to structure influence easy to wear, and the problem of life-span weak point, poor reliability designs a kind of synchronous revolution multiphase mixing transmission pump that both can also can turn round at high rotating speed under the slow-speed of revolution.
The technical solution of the utility model is:
A kind of synchronous revolution multiphase mixing transmission pump, comprise body 12, cylinder 8, main shaft 1 and rotor 10, it is characterized in that described cylinder 8 is installed in the body 12, rotor 10 is installed in and drives on its main shaft 1 that rotates synchronously and be arranged in cylinder 8, main shaft 1 and cylinder 8 be eccentric install and main shaft 1 on rotor 10 contact with cylinder 8 retention wires; Described rotor 10 is provided with skateboards slot 17, one end of slide plate 15 is arranged in skateboards slot 17, the other end of slide plate 15 and cylinder 8 are hinged and connected, slide plate 15 is divided into oil suction chamber and oil-discharging cavity with crescent shape cavity between cylinder 8 and the rotor 10, on the cylinder relative 8, be provided with filler opening 21 with oil suction chamber, this filler opening 21 communicates with oil-feed annular volume 20 in the body 12, oil-feed annular volume 20 communicates with oil-feed port on the body, with the corresponding rotor 10 of oil-discharging cavity on be provided with oil drain out 22, oil drain out 22 is outside oil drain passage 18 is discharged bodies 12.
Described cylinder 8 is fixing by cylinder upper cover 7 and lower cover of air cylinder 11, cylinder upper cover 7 and lower cover of air cylinder 11 are supported by rack bearing 4 and body bearing 13 respectively, rack bearing 4 is installed on the eccentric mounting 2, eccentric mounting 2 is fixedly linked with an end of body 12, one terminal frame main bearing 3 of main shaft 1 supports, frame main bearing 3 is installed in the eccentric mounting 3, and the other end of main shaft 1 is suspended in the cylinder 8.
The two ends of described rotor 10 all are equipped with end-face seal ring 19 and enter oil suction chamber and oil-discharging cavity to prevent the oil gas in the oil drain passage 18 from the discharge end face of rotor 10, also prevent oil gas in the oil-discharging cavity oil-feed annular volume 20 of bleeding simultaneously.
Described cylinder 8 is provided with circular arc skateboards slot 16, and a cylindrical end of slide plate 15 is inserted in this circular arc skateboards slot 16 to be realized being hinged and connected.
The main body of described oil drain passage 18 is positioned on the lower cover of air cylinder 11, and its end links to each other with epitrochanterian oil drain out 22, and the other end is connected with oil outlet on the body 12, in the outlet port of oil drain passage 18 one-way valve 14 is installed.
Described rotor 10 is provided with loss of weight annular chamber 9.
The beneficial effects of the utility model:
The utility model be one we adapt to the ideal equipment of carrying associated gas and carrying out oil and gas multiphase flow, it is insensitive to the grit that oil, gas mix in failing, oil-gas ratin in the oil and gas multiphase flow there is not any requirement, and working pressure is can realize self balancing with oil field system pressure, so any variation in pressure of system can not influence the proper functioning of equipment.
The utlity model has running steadily, leaks little, the volumetric efficiency height, processing technology is simple, owing to the lower relative velocity of internal surface of rotor outer surface and cylinder, makes fretting wear little, the functional reliability height simultaneously.
It is long to the utlity model has the oil-feed time, and the oil-feed drag losses is little; No matter how input pressure and the system pressure in the oil field changes, the working pressure and the system pressure that should mix defeated pump are self adaption all the time, insufficient compression and overcompression problem take place never, liquid hit phenomenon can not take place, guaranteed that this machine works all the time under optimum condition, power loss is little, the efficient height; Rotor 10 only rotates around the rotating center of oneself with cylinder 8, does not have uneven inertial force, and machine run is steady; Owing to rotate synchronously, the impurity in therefore oil gas being carried is insensitive, and adaptability is strong, the functional reliability height; Main working surface is cylindrical, and technology is simple, good airproof performance, and fretting wear is little, the high and saving power consumption of volumetric efficiency.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is a working principle schematic representation of the present utility model.
Embodiment
Below in conjunction with drawings and Examples the utility model is further described.
As shown in Figure 1, 2.
A kind of synchronous revolution multiphase mixing transmission pump, comprise body 12, cylinder 8, main shaft 1 and rotor 10, cylinder 8 is fixing by cylinder upper cover 7 and lower cover of air cylinder 11, cylinder upper cover 7 and lower cover of air cylinder 11 are supported by rack bearing 4 and body bearing 13 respectively, rack bearing 4 is installed on the eccentric mounting 2, and eccentric mounting 2 is fixedly linked with an end of body 12, and a terminal frame main bearing 3 of main shaft 1 supports, frame main bearing 3 is installed in the eccentric mounting 3, and the other end of main shaft 1 is suspended in the cylinder 8; Described cylinder 8 is installed in the body 12, and rotor 10 is installed in and drives on its main shaft 1 that rotates synchronously and be arranged in cylinder 8, main shaft 1 and cylinder 8 be eccentric install and main shaft 1 on rotor 10 contact with cylinder 8 retention wires; Described rotor 10 is provided with skateboards slot 17, one end of slide plate 15 is straight slab structure, it is inserted in the skateboards slot 17 versatilely, the other end of slide plate 15 is a cylindrical structural, cylindrical structural is inserted in the circular arc skateboards slot 16 on the cylinder 8, both can realize being hinged and connected for cylinder contact event, slide plate 15 is in the power that rotate synchronously with rotor 10 as drive cylinder 8, crescent shape cavity between cylinder 8 and the rotor 10 is divided into oil suction chamber and oil-discharging cavity, on the cylinder relative 8, be provided with filler opening 21 with oil suction chamber, this filler opening 21 communicates with oil-feed annular volume chamber 20 in the body 12, oil-feed annular volume 20 communicates with oil-feed port on the body, with the corresponding rotor 10 of oil-discharging cavity on be provided with oil drain out 22, oil drain out 22 is discharged outside the body 12 through oil drain passage 18, and the main body of oil drain passage 18 is positioned on the lower cover of air cylinder 11, and its end links to each other with epitrochanterian oil drain out 22, the other end is connected with oil outlet on the body 12, in the outlet port of oil drain passage 18 one-way valve 14 is installed.In order to prevent that the oil gas in the oil drain passage 18 from entering oil suction chamber or the oil-discharging cavity from the both ends of the surface of rotor 10, can some groups of end-face seal rings 19 respectively be installed at the two ends of rotor 10, in order to alleviate the weight of rotor 10, can on rotor 10, be provided with loss of weight with annular chamber 9.As shown in Figure 1.
Details are as follows:
Be fixed into an integral body referring to eccentric mounting 2 shown in Figure 1 by bolt 5 and body 12, main shaft 1 by one group of spring bearing 3 cantilever of eccentric mounting be supported on the eccentric mounting 1, main shaft 5 the other ends cooperate with keyway by key and are connected with the central shaft hole of rotor 10, and promptly rotor 10 rotates around main shaft 1 central axis.
Shown in Fig. 2, cylinder 8 is provided with the semicircle skateboards slot 16 that is used for hinged installation slide plate 15, the axial length of this skateboards slot 16 is all identical with the axial length of rotor 10 and cylinder 8 and slide plate 15, and it is tangent with the head semicircle of slide plate 15 all the time, prevent that oil gas from leaking into low-pressure cavity from hyperbaric chamber, slide plate 15 can be made plane rocking and drive cylinder 8 to rotate synchronously with skateboards slot 16, simultaneously reciprocating with respect to slide plate guiding groove 17, to coordinate because the rotation difference that the decentraction of rotor 10 and cylinder 8 causes.Also be provided with filler opening 21 on the cylinder 8, this filler opening 21,, all communicates with inflow pipeline under any angle in rotation with cylinder 8, works as angle of eccentricity
In the time of＞0 °, the volume of oil suction chamber increases, and pressure reduces, and under action of pressure, oil gas enters oil suction chamber continuously from filler opening 21, up to
=360 °, finish whole oil-feed process, the angle of rotation that Fig. 2 has represented main shaft 1 from
=0 arrives
=
Working condition,
=
The time synchronously revolution multiphase pump finish an air inlet, compression and exhaust work circulation, the work that goes round and begins again successively.
Referring to Fig. 2, rotor 10 is provided with oil drain out 22, when the oil suction chamber volume enlarges, the volume of compression oil-discharging cavity then dwindles continuously, and the pressure of its oil gas improves constantly, when the pressure in the chamber during greater than system pressure, oil gas is connected with cargo pipe line through oil drain passage 18, one-way valve 14, up to
=360
0Oil extraction finishes.Rotate a circle at main shaft 1 thus, finished a work cycle of oil-feed and compression and oil extraction simultaneously, the high working efficiency of this machine.
As can be seen from Figure 1, on rotor 10, offer toroidal cavity 9, with the quality that reduces rotor 10 with the rotary inertia when starting.
As can be seen from Figure 2, working pressure of the present utility model and system pressure are self adaption all the time, when input pressure or system pressure change, insufficient compression and overcompression problem can not take place in oil-discharging cavity, guarantee that this machine works under optimum condition all the time, this has just solved in the oil and gas multiphase flow pressure and has usually changed and caused the technical barrier that mixes defeated pump cisco unity malfunction.
Referring to Fig. 1, be provided with one-way valve 14 at oil drain passage 18, oil, gas reflux when having guaranteed synchronous revolution multiphase mixing transmission pump the pressure in the compression chamber being lower than system pressure when shutting down or mixing defeated pump startup, have improved the utilization ratio of cylinder 8.
Referring to Fig. 1, main shaft 1 can also support at the two ends of main shaft 1 by eccentric mounting bearing 3 and the concentric bearings that is arranged on the body 12, to reduce the bending deflection of main shaft 1.
Because cylinder of the present utility model links to each other by slide plate with rotor, so rotor has been realized the plane rotation motion with respect to cylinder, when the rotor plane rotation motion, the internal surface of cylinder and the outer surface of rotor are tangent at the A point all the time, just formed a meniscate active chamber between them, this active chamber is divided into oil suction, air cavity and oil extraction, air cavity by slide plate, finishes the circulation of oil suction, gas and oil extraction, gas simultaneously in one changes, high working efficiency.Owing to be respectively arranged with rotation inlet port and oil drain out on cylinder and rotor, therefore no matter how the pressure of oil field system changes, and insufficient compression and overcompression problem all can not occur, and power loss is little.In addition because the radius of rotor and cylinder is different, so their contact surface moves extremely slowly at work when rotating, relative velocity is extremely low, cylinder and rotor belong to synchronous rotation, greatly reduce friction and wear so on the one hand, then make the grit of oil, gas can't clash leakage way at sealing surfaces, the volumetric efficiency height on the other hand.The cylinder of this patent and rotor all rotate around the gyration center of oneself, so running is very steady.
The utility model does not relate to the part prior art that maybe can adopt all same as the prior art to be realized.
Claims (6)
1. one kind is turned round multiphase mixing transmission pump synchronously, comprise body (12), cylinder (8), main shaft (1) and rotor (10), it is characterized in that described cylinder (8) is installed in the body (12), rotor (10) is installed in and drives its main shaft (1) that rotates synchronously and go up and be arranged in cylinder (8), and the rotor (10) on eccentric installation of main shaft (1) and cylinder (8) and the main shaft (1) contacts with cylinder (8) retention wire; Described rotor (10) is provided with skateboards slot (17), one end of slide plate (15) is arranged in skateboards slot (17), the other end of slide plate (15) and cylinder (8) are hinged and connected, slide plate (15) is divided into oil suction chamber and oil-discharging cavity with crescent shape cavity between cylinder (8) and the rotor (10), on the cylinder relative (8), be provided with filler opening (21) with oil suction chamber, this filler opening (21) communicates with oil-feed annular volume chamber (20) in the body (12), with the corresponding rotor of oil-discharging cavity (10) on be provided with oil drain out (22), oil drain out (22) is outside oil drain passage (18) is discharged body (12).
2. synchronous revolution multiphase mixing transmission pump according to claim 1, it is characterized in that described cylinder (8) is fixing by cylinder upper cover (7) and lower cover of air cylinder (11), cylinder upper cover (7) and lower cover of air cylinder (11) are supported by rack bearing (4) and body bearing (13) respectively, rack bearing (4) is installed on the eccentric mounting (2), eccentric mounting (2) is fixedly linked with an end of body (12), one terminal frame main bearing (3) of main shaft (1) supports, frame main bearing (3) is installed in the eccentric mounting (3), and the other end of main shaft (1) is suspended in the cylinder (8).
3. synchronous revolution multiphase mixing transmission pump according to claim 1 is characterized in that the two ends of described rotor (10) all are equipped with end-face seal ring (19).
4. synchronous revolution multiphase mixing transmission pump according to claim 1 is characterized in that described cylinder (8) is provided with circular arc skateboards slot (16), and a cylindrical end of slide plate (15) is inserted into to be realized in this circular arc skateboards slot (16) being hinged and connected.
5. synchronous revolution multiphase mixing transmission pump according to claim 1, the main body that it is characterized in that described oil drain passage (18) is positioned on the lower cover of air cylinder (11), its end links to each other with epitrochanterian oil drain out (22), the other end is connected with oil outlet on the body (12), in the outlet port of oil drain passage (18) one-way valve (14) is installed.
6. synchronous revolution multiphase mixing transmission pump according to claim 1 is characterized in that described rotor (10) is provided with loss of weight annular chamber (9).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205283057U CN201786649U (en) | 2010-09-14 | 2010-09-14 | Synchronous-rotation multiphase mixture pump |
| PCT/CN2011/079160 WO2012034480A1 (en) | 2010-09-14 | 2011-08-31 | Synchronal rotary multiphase pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205283057U CN201786649U (en) | 2010-09-14 | 2010-09-14 | Synchronous-rotation multiphase mixture pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201786649U true CN201786649U (en) | 2011-04-06 |
Family
ID=43818614
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205283057U Expired - Lifetime CN201786649U (en) | 2010-09-14 | 2010-09-14 | Synchronous-rotation multiphase mixture pump |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN201786649U (en) |
| WO (1) | WO2012034480A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012034480A1 (en) * | 2010-09-14 | 2012-03-22 | Hou Min | Synchronal rotary multiphase pump |
| CN113623200A (en) * | 2021-09-13 | 2021-11-09 | 江苏丰泰流体机械科技有限公司 | Synchronous rotary multiphase multistage submersible mixed transportation pump |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11371513B2 (en) | 2020-03-04 | 2022-06-28 | Solar Turbined Incorporated | Integrated gas compressor |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1352107A (en) * | 1915-08-11 | 1920-09-07 | James H Wagenhorst | Pump or compressor |
| US1719954A (en) * | 1925-12-26 | 1929-07-09 | Nat Pump And Compressor Compan | Rotary compressor |
| US1915097A (en) * | 1928-11-27 | 1933-06-20 | Gen Electric | Rotary pump |
| US3298331A (en) * | 1965-04-15 | 1967-01-17 | James L Butler | Rotary heat engine |
| US3697203A (en) * | 1970-06-22 | 1972-10-10 | James L Butler | Rotary engine |
| US4773836A (en) * | 1984-04-13 | 1988-09-27 | J. C. Moore Research Inc. | Rotary vane pump |
| CN1607331A (en) * | 2003-10-15 | 2005-04-20 | 徐衡 | Full motion type compressor |
| CN201568302U (en) * | 2009-11-23 | 2010-09-01 | 侯敏 | Synchronous-rotation compressing machine with rotary air inlet, air outlet and exhaust valve |
| CN201568303U (en) * | 2009-11-23 | 2010-09-01 | 侯敏 | Symmetrical balance type synchronous rotating compression machine |
| CN201786649U (en) * | 2010-09-14 | 2011-04-06 | 侯敏 | Synchronous-rotation multiphase mixture pump |
-
2010
- 2010-09-14 CN CN2010205283057U patent/CN201786649U/en not_active Expired - Lifetime
-
2011
- 2011-08-31 WO PCT/CN2011/079160 patent/WO2012034480A1/en active Application Filing
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012034480A1 (en) * | 2010-09-14 | 2012-03-22 | Hou Min | Synchronal rotary multiphase pump |
| CN113623200A (en) * | 2021-09-13 | 2021-11-09 | 江苏丰泰流体机械科技有限公司 | Synchronous rotary multiphase multistage submersible mixed transportation pump |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2012034480A1 (en) | 2012-03-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Dafeng Fengtai Fluid Machinery Technology Co., Ltd. Assignor: Hou Min Contract record no.: 2012320000751 Denomination of utility model: Synchronous-rotation multiphase mixture pump Granted publication date: 20110406 License type: Exclusive License Record date: 20120608 |
|
| EC01 | Cancellation of recordation of patent licensing contract |
Assignee: Dafeng Fengtai Fluid Machinery Technology Co., Ltd. Assignor: Hou Min Contract record no.: 2012320000751 Date of cancellation: 20131205 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| ASS | Succession or assignment of patent right |
Owner name: DAFENG FENGTAI FLUID MACHINERY TECHNOLOGY CO., LTD Free format text: FORMER OWNER: HOU MIN Effective date: 20140120 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 210046 NANJING, JIANGSU PROVINCE TO: 224100 YANCHENG, JIANGSU PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140120 Address after: 224100 No. 92 west the Yellow Sea Road, Dafeng City, Jiangsu, Yancheng City Patentee after: Dafeng Fengtai Fluid Machinery Technology Co., Ltd. Address before: Xianlin Campus of Nanjing University No. 163 Qixia Xianlin Avenue District of Nanjing City, Jiangsu province 210046 box 98 Patentee before: Hou Min |
|
| CP03 | Change of name, title or address |
Address after: 224100 the Yellow Sea West Road, Dafeng District, Yancheng City, Jiangsu Province, 92 Patentee after: Jiangsu Fengtai Fluid Machinery Technology Co., Ltd. Address before: 224100 the Yellow Sea West Road, Dafeng City, Yancheng City, Jiangsu Province, No. 92 Patentee before: Dafeng Fengtai Fluid Machinery Technology Co., Ltd. |
|
| CP03 | Change of name, title or address | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110406 |
|
| CX01 | Expiry of patent term |