CN105673295A - Rotary casing type integrated electricity generating device for energy recovery - Google Patents
Rotary casing type integrated electricity generating device for energy recovery Download PDFInfo
- Publication number
- CN105673295A CN105673295A CN201610095388.7A CN201610095388A CN105673295A CN 105673295 A CN105673295 A CN 105673295A CN 201610095388 A CN201610095388 A CN 201610095388A CN 105673295 A CN105673295 A CN 105673295A
- Authority
- CN
- China
- Prior art keywords
- shell type
- rotation shell
- pipe
- water pipe
- type water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B3/00—Machines or engines of reaction type; Parts or details peculiar thereto
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Hydraulic Turbines (AREA)
Abstract
The invention discloses a rotary casing type integrated electricity generating device for energy recovery. The rotary casing type integrated electricity generating device comprises a device housing, a water inlet pipe, a rotary casing type water pipe, electricity generating device rotors, electricity generating device stators, a water outlet pipe and a housing cover plate, wherein one end of the device housing is connected with the housing cover plate, and the rotary casing water pipe, the electricity generating device rotors and the electricity generating device stators are respectively arranged in a chamber formed by the device casing and the housing cover plate; the rotary casing type water pipe communicates with the water inlet pipe and the water outlet pipe on two sides of the rotary casing type water pipe; the rotary casing type water pipe comprises helical blades, a central shaft, a pipe wall and a thrust disc. The differences between the rotary casing type integrated electricity generating device and other hydrodynamic devices for the energy recovery lie in that the helical blades and the housing are fixed, hydraulic components adopt an integral structure in united rotation, and besides, the hydraulic components and an electric generator are integrated. The rotary casing type integrated electricity generating device has the advantages of being simple in structure, convenient to mount, small in mechanical losses, high in energy recovery efficiency and the like.
Description
Technical field
The invention belongs to hydraulic and energy regenerating field, particularly a kind of rotation shell type integration generating device for energy regenerating.
Background technology
Along with the aggravation of world energy consumption, discarded energy is reclaimed and becomes the important means alleviating energy shortage present situation. For existing energy recycle device, such as hydraulic turbine, it much has been used for commercial Application and achieves certain economy and produce effects. Conventional energy recycle device, is mostly connected with electromotor by axle and has fetched the transmission of power, comparatively laborious installing, and there is certain power loss in the transmittance process of shaft power.
For most hydraulic turbine, existing owing to rotor and fixture structurally always have gap, therefore just have the generation of volumetric efficiency issues, volumetric efficiency will directly affect the efficiency of energy regenerating. If with reference to shielding pump structure, although adopting protected type hydraulic turbine that hydraulic part and generator components directly connect as one the friction loss that can reduce between parts, but volumetric efficiency issues still can not solve, reclaiming under operating mode particularly with high pressure complementary energy, volumetric loss will be greatly increased. According to rotation shell type hydraulic part and carry out integrated with generator components, it will be greatly increased the effect of energy regenerating.
Summary of the invention
It is contemplated that propose a kind of rotation shell type energy regenerating integration generating device, thus change that existing energy recycle device structure is complicated, it is loaded down with trivial details to install, refrigerant leakage causes volumetric efficiency not high under high pressure operating mode application present situation.
In order to achieve the above object, technical scheme is as follows:
A kind of rotation shell type energy regenerating integration generating device, including crust of the device, water inlet pipe, rotation shell type water pipe, generating unit rotor, TRT stator, outlet pipe, cover plate of outer casing;
Described crust of the device one end is connected with cover plate of outer casing, and the inside of crust of the device and the formed chamber of cover plate of outer casing is respectively equipped with rotation shell type water pipe, generating unit rotor, TRT stator;
Rotation shell type water pipe is connected with the water inlet pipe of its both sides, outlet pipe respectively; Described rotation shell type water pipe entirety adopts cast steel material, comprises helical blade, central shaft, tube wall, thrust disc;Described helical blade is arranged on the inside of rotation shell type water pipe, described central shaft passes along helical blade center and welds maintenance with it and fixes, described helical blade outer rim is connected with tube wall inwall, tube wall, helical blade, central shaft is made to constitute the entirety of associated movement, described tube wall is provided with thrust disc at rotation shell type pipe outlet place, and thrust disc and tube wall are the integrative-structure simultaneously processed;
Described rotation shell type water pipe overcoat generating unit rotor, keeps both during work being relatively fixed and jointly rotating, crust of the device inwall fixed power generator stator, cooperatively forms a pair generator amature pair with generating unit rotor.
Further, traverse crust of the device one end, described rotation shell type water pipe front end through hole, traverse cover plate of outer casing one end, rotation shell type water pipe rear end through hole; Thrust disc on rotation shell type water pipe is adjacent to cover plate of outer casing inwall to ensure that rotation shell type water pipe axial location is fixed.
Further, also including secondary member, described secondary member includes pipe box, bearing, front bearing retainer, rear bearing cover, drip ring, graphite annulus;
Described pipe box is two, is enclosed within rotation shell type water pipe caliber place small in ends outside all; Between anterior pipe box and crust of the device, in the gap between the pipe box and cover plate of outer casing at rear portion, all fill in graphite annulus, the outside of rotation shell type water pipe two ends pipe box is all outer is cased with bearing, and described bearing forms interference fit with crust of the device, cover plate of outer casing respectively; Described front bearing retainer, rear bearing cover are respectively used to compress bearing and graphite annulus, and front bearing retainer are fixed on crust of the device respectively through hex screw, are fixed on cover plate of outer casing by rear bearing cover;
Described water inlet pipe, outlet pipe are connected on front bearing retainer, rear bearing cover respectively through hex screw, are equipped with drip ring between pipe box and front bearing retainer, the rear bearing cover at rotation shell type water pipe two ends, and drip ring is clamped by water inlet pipe/outlet pipe and bearing respectively.
Further, graphite powder is scribbled between thrust disc and the cover plate of outer casing inwall of described rotation shell type water pipe.
Further, there is the distance of 2～5mm between described rotation shell type water pipe two ends and water inlet pipe, outlet pipe; Junction between water inlet pipe and front bearing retainer, outlet pipe and rear bearing cover adds seal washer.
A kind of rotation shell type energy regenerating integration generating device of the present invention, has following innovative point and advantage:
1. hydraulic part is rotation shell type, and helical blade is driven tube wall jointly to rotate by hydraulic thrust, is absent from volumetric efficiency issues, has higher energy recovery efficiency;
2., using the tubular type hydraulic part rotation axle as electromotor, overcoat generating unit rotor, define the integrated of turbine and electromotor, optimize the space structure of TRT so that it is become simply compact, and be more easily installed;
3. hydraulic part and TRT is integrated, compares the mode adopting axle to be connected, and the friction between rotor and other components is less, and therefore mechanical loss is little, and efficiency is high.
4. the setting of thrust disc is effective to ensure that rotation shell type water pipe axial location is fixed, and assists bearing to undertake the axial force that water slug helical blade produces, so that plant running remains stable for, makes the reliability of plant running be greatly improved.
5. adopt Solid Self-lubricant Bearing and use kollag graphite, it is possible to ensureing the long-time efficient operation of device, it is not necessary to often supplementing or change lubricant, and it can be avoided that fluid lubricant is revealed and the work of device internals is produced impact.
6. the setting of drip ring can be effectively prevented water and flow into bearing place, thus avoiding the situation generation that bearing lubrication was lost efficacy.
7. for conventional mechanical bearing heating problem, solve often through outer logical cooling water, when this device utilizes room temperature waste water and waste liquid to do energy regenerating, effectively can absorb the raw heat of bearing friction through thin pipe wall in continuous operation process, thus being prevented effectively from the inefficacy that bearing causes because of temperature rise.
Accompanying drawing explanation
Fig. 1 is rotation shell type energy regenerating integration generating device installation diagram;
Fig. 2 is the structure chart of hydraulic part rotation shell type water pipe.
In figure: 1-water inlet pipe, 2-pipe box, 3-generating unit rotor, 4-rotation shell type water pipe, 5-crust of the device, 6-rear bearing cover, 7-drip ring, 8-hex screw, 9-hex screw, 10-bearing, 11-TRT stator, 12-graphite annulus, 13-outlet pipe, 14-front bearing retainer, 15-helical blade, 16-central shaft, 17-tube wall, 18-thrust disc, 19-cover plate of outer casing, 20-hexagon-headed bolt.
Detailed description of the invention
Below in conjunction with accompanying drawing and specific embodiment, the present invention is further illustrated, but protection scope of the present invention is not limited to this.
Fig. 1 is rotation shell type energy regenerating integration generating device installation diagram. A kind of rotation shell type energy regenerating integration generating device, main member includes water inlet pipe 1, front bearing retainer 14, rotation shell type water pipe 4, generating unit rotor 3, TRT stator 11, rear bearing cover 6, outlet pipe 13, crust of the device 5 and cover plate of outer casing 19. Rotation shell type water pipe 4 overcoat generating unit rotor 3, keeps both during work being relatively fixed and jointly rotating. Crust of the device 5 inwall fixed power generator stator 11, cooperatively forms a pair generator amature pair with generating unit rotor 3. Secondary member includes front bearing retainer 14, bearing 10, pipe box 2, rear bearing cover 6, drip ring 7, graphite annulus 12, hex screw 8,9 and hexagon-headed bolt 20. The equal overcoat pipe box 2 in rotation shell type water pipe 4 caliber small in ends place, hole is opened through crust of the device 5 center in rotation shell type water pipe 4 front end, and hole is opened through cover plate of outer casing 19 center in rotation shell type water pipe 4 rear end. Described cover plate of outer casing 19 is fixed on crust of the device 5 by hexagon-headed bolt 20, and the thrust disc 18 on rotation shell type water pipe 4 is adjacent to cover plate of outer casing 19 inwall to ensure that rotation shell type water pipe 4 axial location is fixed. Graphite annulus 12 is all filled in the pipe box 2 of rear and front end and the gap of crust of the device 5 and cover plate of outer casing 19, be enclosed within outside bearing 10 outside pipe box 2 and with put shell 5 and cover plate of outer casing 19 forms interference fit, front bearing retainer 14, rear bearing cover 6 are compressed front and back bearings 10 and graphite annulus 12 respectively and are fixed on crust of the device 5 and cover plate of outer casing 19 by hex screw 9. Water inlet pipe 1, outlet pipe 13 are connected on front bearing retainer 14, rear bearing cover 6 respectively through hex screw 8, are formed with rotation shell type water pipe 4 and connect. Being be provided with drip ring 7 outside bearing 10 between the pipe box 2 at rotation shell type water pipe 4 two ends and front bearing retainer 14, rear bearing cover 6, drip ring 7 is clamped by inlet tube and outlet tube 1,13 and bearing 10. Graphite powder is scribbled between thrust disc 18 and cover plate of outer casing 19 inwall of rotation shell type water pipe 4. The distance of 2～5mm is there is, it is not necessary to be adjacent between rotation shell type water pipe 4 two ends and inlet tube and outlet tube 1,13. Junction between inlet tube and outlet tube 1,13 and front bearing retainer 14, rear bearing cover 6 adds seal washer, to ensure working medium No leakage.
Fig. 2 is the structure chart of hydraulic part rotation shell type water pipe. Described rotation shell type water pipe 4 comprises helical blade 15, central shaft 16, tube wall 17, thrust disc 18. It is fixing that central shaft 16 passes and weld with it maintenance along helical blade 15 center, and described helical blade 15 outer rim is connected with tube wall 17 inwall, makes tube wall 17, helical blade 15, central shaft 16 constitute the entirety of associated movement.Described tube wall 17 is provided with thrust disc 18 in rotation shell type water pipe 4 exit, and thrust disc 18 and tube wall 17 are the integrative-structure simultaneously processed.
A kind of rotation shell type energy regenerating integration generating device of the present invention, work process is as follows:
When water under high pressure enters rotation shell type water pipe 4 from water inlet pipe, just start to produce to impact to helical blade 15, act on the pressure on helical blade 15 and will produce moment of torsion promotion rotation shell type water pipe 4 integral-rotation, generating unit rotor also will rotate with rotation shell type water pipe, TRT stator and rotor relative movement, rotor coil cutting magnetic line, utilize generator principle to produce induction electromotive force, thus pressure energy or the kinetic energy of water are converted into electric energy, it is achieved the recovery of energy.
In the process of water slug helical blade, rotation shell type water pipe is produced very big axial force by water, therefore spiral water pipe is provided with thrust disc 18, thrust disc withstands cover plate of outer casing inwall to ensure that spiral water pipe axial location is without skew, and between thrust disc and cover plate of outer casing, the kollag such as using mineral carbon powder is lubricated.
To sum up, a kind of rotation shell type energy regenerating integration generating device of the present invention, core component is a rotation shell type water pipe, and its principle is the kinetic energy utilizing water under high pressure pressure energy to be converted into rotating machinery, drive generating unit rotor to rotate and form driving torque, thus using generator principle to carry out energy regenerating. It is different in that for the hydrodynamic apparatus of energy regenerating with other, its helical blade and shell are fixed, hydraulic part is the unified overall structure rotated, simultaneously that hydraulic part and electromotor is integrated, there is simple in construction, easy for installation, mechanical loss is little, energy recovery efficiency advantages of higher.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " illustrative examples ", " example ", " concrete example " or " some examples " etc. means in conjunction with this embodiment or example describe are contained at least one embodiment or the example of the present invention. In this manual, the schematic representation of above-mentioned term is not necessarily referring to identical embodiment or example. And, the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiments or example.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that: these embodiments can being carried out multiple change, amendment, replacement and modification when without departing from principles of the invention and objective, the scope of the present invention is limited by claim and equivalent thereof.
Claims (5)
1. a rotation shell type energy regenerating integration generating device, it is characterized in that, including crust of the device (5), water inlet pipe (1), rotation shell type water pipe (4), generating unit rotor (3), TRT stator (11), outlet pipe (13), cover plate of outer casing (19);
Described crust of the device (5) one end is connected with cover plate of outer casing (19), and the inside of crust of the device (5) and cover plate of outer casing (19) formed chamber is respectively equipped with rotation shell type water pipe (4), generating unit rotor (3), TRT stator (11);
Rotation shell type water pipe (4) is connected with the water inlet pipe (1) of its both sides, outlet pipe (13) respectively; Described rotation shell type water pipe (4) comprises helical blade (15), central shaft (16), tube wall (17), thrust disc (18); Described helical blade (15) is arranged on the inside of rotation shell type water pipe (4), described central shaft (16) passes along helical blade (15) center and welds maintenance with it and fixes, described helical blade (15) outer rim is connected with tube wall (17) inwall, tube wall (17), helical blade (15), central shaft (16) is made to constitute the entirety of associated movement, described tube wall (17) is provided with thrust disc (18) in rotation shell type water pipe (4) exit, and thrust disc (18) and tube wall (17) are the integrative-structure simultaneously processed;
Described rotation shell type water pipe (4) overcoat generating unit rotor (3), keep both during work being relatively fixed and jointly rotating, crust of the device (5) inwall fixed power generator stator (11), cooperatively forms a pair generator amature pair with generating unit rotor (3).
2. rotation shell type energy regenerating integration generating device according to claim 1, it is characterized in that, traverse crust of the device (5) one end, described rotation shell type water pipe (4) front end through hole, traverse cover plate of outer casing (19) one end, rotation shell type water pipe (4) rear end through hole; Thrust disc (18) on rotation shell type water pipe (4) is adjacent to cover plate of outer casing (19) inwall to ensure that rotation shell type water pipe (4) axial location is fixed.
3. rotation shell type energy regenerating integration generating device according to claim 1, it is characterized in that, also including secondary member, described secondary member includes pipe box (2), bearing (10), front bearing retainer (14), rear bearing cover (6), drip ring (7), graphite annulus (12);
Described pipe box (2) is two, is enclosed within rotation shell type water pipe (4) caliber place small in ends outside all; Graphite annulus (12) is all filled in the gap be positioned between pipe box (2) and the crust of the device (5) of front portion, being positioned between the pipe box (2) at rear portion and cover plate of outer casing (19), the outside at rotation shell type water pipe (4) two ends pipe box (2) is all outer is cased with bearing (10), and described bearing (10) forms interference fit with crust of the device (5), cover plate of outer casing (19) respectively; Described front bearing retainer (14), rear bearing cover (6) are respectively used to compress bearing (10) and graphite annulus (12), and front bearing retainer (14) are fixed on crust of the device (5) respectively through hex screw (9), are fixed on cover plate of outer casing (19) by rear bearing cover (6);
Described water inlet pipe (1), outlet pipe (13) are connected on front bearing retainer (14), rear bearing cover (6) respectively through hex screw (8), being equipped with drip ring (7) between the pipe box (2) at rotation shell type water pipe (4) two ends and front bearing retainer (14), rear bearing cover (6), drip ring (7) is clamped by water inlet pipe (1)/outlet pipe (13) and bearing (10) respectively.
4. rotation shell type energy regenerating integration generating device according to claim 2, it is characterised in that scribble graphite powder between thrust disc (18) and cover plate of outer casing (19) inwall of described rotation shell type water pipe (4).
5. rotation shell type energy regenerating integration generating device according to claim 1, it is characterised in that there is the distance of 2～5mm between described rotation shell type water pipe (4) two ends and water inlet pipe (1), outlet pipe (13); Junction between water inlet pipe (1) and front bearing retainer (14), outlet pipe (13) and rear bearing cover (6) adds seal washer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610095388.7A CN105673295A (en) | 2016-02-22 | 2016-02-22 | Rotary casing type integrated electricity generating device for energy recovery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610095388.7A CN105673295A (en) | 2016-02-22 | 2016-02-22 | Rotary casing type integrated electricity generating device for energy recovery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105673295A true CN105673295A (en) | 2016-06-15 |
Family
ID=56304709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610095388.7A Pending CN105673295A (en) | 2016-02-22 | 2016-02-22 | Rotary casing type integrated electricity generating device for energy recovery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105673295A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109236540A (en) * | 2018-09-21 | 2019-01-18 | 胡在权 | A kind of Novel spiral impeller hydroelectric generation all-in-one machine |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85201796U (en) * | 1985-05-02 | 1986-09-03 | 陆明尧 | Fully sealed pipeline type relay pump |
| CN2168103Y (en) * | 1993-08-03 | 1994-06-08 | 罗海 | mechanical-electric pipe pump |
| CN2557714Y (en) * | 2002-03-15 | 2003-06-25 | 康庆泽 | Multi-purpose pipe line type electromechanical device |
| JP2008014246A (en) * | 2006-07-06 | 2008-01-24 | Kawasaki Heavy Ind Ltd | Hydraulic power generator |
| CN101122294A (en) * | 2007-09-07 | 2008-02-13 | 浙江大学 | Cantilever type high rate turbine vacuum pump and its evacuation method |
| CN101871458A (en) * | 2009-04-24 | 2010-10-27 | 太琦科技股份有限公司 | Composite structure of water pump blade and motor |
| CN102102618A (en) * | 2011-02-21 | 2011-06-22 | 冯岩 | Pipeline electromagnetic generator |
| CN202500812U (en) * | 2012-03-27 | 2012-10-24 | 杭州新界智泵科技有限公司 | Pump shaft thrust structure |
| CN103280922A (en) * | 2013-06-07 | 2013-09-04 | 鲍小福 | Motor |
| CN203384095U (en) * | 2013-08-14 | 2014-01-08 | 付新克 | Vortex machine |
-
2016
- 2016-02-22 CN CN201610095388.7A patent/CN105673295A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85201796U (en) * | 1985-05-02 | 1986-09-03 | 陆明尧 | Fully sealed pipeline type relay pump |
| CN2168103Y (en) * | 1993-08-03 | 1994-06-08 | 罗海 | mechanical-electric pipe pump |
| CN2557714Y (en) * | 2002-03-15 | 2003-06-25 | 康庆泽 | Multi-purpose pipe line type electromechanical device |
| JP2008014246A (en) * | 2006-07-06 | 2008-01-24 | Kawasaki Heavy Ind Ltd | Hydraulic power generator |
| CN101122294A (en) * | 2007-09-07 | 2008-02-13 | 浙江大学 | Cantilever type high rate turbine vacuum pump and its evacuation method |
| CN101871458A (en) * | 2009-04-24 | 2010-10-27 | 太琦科技股份有限公司 | Composite structure of water pump blade and motor |
| CN102102618A (en) * | 2011-02-21 | 2011-06-22 | 冯岩 | Pipeline electromagnetic generator |
| CN202500812U (en) * | 2012-03-27 | 2012-10-24 | 杭州新界智泵科技有限公司 | Pump shaft thrust structure |
| CN103280922A (en) * | 2013-06-07 | 2013-09-04 | 鲍小福 | Motor |
| CN203384095U (en) * | 2013-08-14 | 2014-01-08 | 付新克 | Vortex machine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109236540A (en) * | 2018-09-21 | 2019-01-18 | 胡在权 | A kind of Novel spiral impeller hydroelectric generation all-in-one machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1809695B (en) | Device for tubular water turbine and pump incorporating the device | |
| CN1571881B (en) | Hydro-electric station and generator for a hydro-electric station | |
| CN201461452U (en) | Shielding electric pump with inner circulation structure for lithium bromide absorptive air conditioner | |
| CN201723460U (en) | Variable frequency high speed wet-type submersible pump | |
| CN201535254U (en) | Peripheral canned pump | |
| CN214887730U (en) | Electrically driven shaftless shielding centrifugal pump | |
| CN201031800Y (en) | Submerged pump | |
| CN101988514A (en) | Lithium bromide absorptive shielding electric pump for air conditioner | |
| CN104976133A (en) | High temperature water pump of mechanical seal and vortex pump closed type self-circular system | |
| CN204099261U (en) | Improve canned motorpump self-lubricating structure | |
| CN102116300A (en) | Back-flushing pump of circulating water filtering system for nuclear power station | |
| CN110500287A (en) | A kind of shaftless pump based on brushless motor | |
| CN202646021U (en) | Improved slurry pump | |
| CN105673295A (en) | Rotary casing type integrated electricity generating device for energy recovery | |
| CN201650786U (en) | Mechanical secondary steam circulating compressor | |
| CN102678629A (en) | Improved slurry pump | |
| CN201393160Y (en) | High-speed grease bearing permanent magnet motor | |
| CN201650760U (en) | Shield pump for heat transfer oil | |
| KR102241433B1 (en) | Inline screw Aberration | |
| CN114526243A (en) | Hub-driven fluid machine | |
| CN207960981U (en) | Centrifugal supercharger device | |
| CN105351207A (en) | Charging pump | |
| CN108443165A (en) | A kind of horizontal normal temperature type double suction corrosion-resistant stainless steel centrifugal pump | |
| CN211449052U (en) | Vertical multi-stage centrifugal pump | |
| CN210977899U (en) | Pipeline process pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160615 |
|
| RJ01 | Rejection of invention patent application after publication |