CN103227521B - Hollow rotor motor and systems comprising the same - Google Patents
Hollow rotor motor and systems comprising the same Download PDFInfo
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- CN103227521B CN103227521B CN201310035149.9A CN201310035149A CN103227521B CN 103227521 B CN103227521 B CN 103227521B CN 201310035149 A CN201310035149 A CN 201310035149A CN 103227521 B CN103227521 B CN 103227521B
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- Prior art keywords
- fluid
- flow channel
- motor
- rotor
- transmission shaft
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- 239000012530 fluid Substances 0.000 claims abstract description 195
- 230000007704 transition Effects 0.000 claims description 60
- 230000005540 biological transmission Effects 0.000 claims description 58
- 238000005086 pumping Methods 0.000 claims description 14
- 238000009434 installation Methods 0.000 claims description 10
- 238000004891 communication Methods 0.000 claims description 9
- 238000007789 sealing Methods 0.000 description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
- 239000007789 gas Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- 239000002826 coolant Substances 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 230000003321 amplification Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N diphenyl Chemical compound C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 2
- USIUVYZYUHIAEV-UHFFFAOYSA-N diphenyl ether Chemical compound C=1C=CC=CC=1OC1=CC=CC=C1 USIUVYZYUHIAEV-UHFFFAOYSA-N 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 241001502050 Acis Species 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000004721 Polyphenylene oxide Substances 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 238000006127 Vicarious substitution reaction Methods 0.000 description 1
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- 235000010290 biphenyl Nutrition 0.000 description 1
- 239000004305 biphenyl Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000013401 experimental design Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000005504 petroleum refining Methods 0.000 description 1
- 229920013639 polyalphaolefin Polymers 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000008093 supporting effect Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/32—Rotating parts of the magnetic circuit with channels or ducts for flow of cooling medium
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B41/00—Equipment or details not covered by groups E21B15/00 - E21B40/00
- E21B41/0085—Adaptations of electric power generating means for use in boreholes
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/12—Methods or apparatus for controlling the flow of the obtained fluid to or in wells
- E21B43/121—Lifting well fluids
- E21B43/128—Adaptation of pump systems with down-hole electric drives
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D13/0646—Units comprising pumps and their driving means the pump being electrically driven the hollow pump or motor shaft being the conduit for the working fluid
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
- H02K9/06—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Geology (AREA)
- Fluid Mechanics (AREA)
- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Power Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Motor Or Generator Frames (AREA)
Abstract
An electric motor includes a motor housing (a) and a hollow rotor (b) configured to rotate within and be driven by a stator contained within the motor housing 10. The motor housing is characterized by a largest cross-sectional area of the motor housing 10 and the hollow rotor 20 defines a flow channel characterized by a smallest cross-sectional area of the flow channel, where the smallest cross-sectional area of the flow channel is at least 25% of the largest cross-sectional area of the motor housing 10. The hollow rotor has a first end portion defining a fluid inlet, and a second end portion defining a fluid outlet. The fluid inlet, the flow channel and the fluid outlet is configured to allow passage of a fluid from the fluid inlet to the fluid outlet via the flow channel.
Description
This application claims the U.S. Provisional Application of the Serial No. 61/592,191 of the submission of on January 30th, 2012 is preferential
Weigh, and this application is incorporated herein by reference with it.
The statement of the research and development subsidized with regard to federal government
The one or more aspects of invention described herein " are used for enhanced geothermal system in the entitled of USDOE
Develop under cooperation agreement DE-EE0002752 of the high volume lifting of high temperature of system ".Thus, the government weighs to the present invention with some
Profit.
Technical field
The present invention relates to sleeve rotor motor and the system including sleeve rotor motor.
Background technology
In one aspect, the present invention provides the senior motor technologies for being used in particular for well fluids lift system.Significant challenge is
Such well fluids lift system is provided, i.e. it can bear the extreme pressure and temperature of energy recovery well, while providing enough
Life-span is met later for many years to the needs of enhanced geothermal system (EGS) industry.It is currently, there are little (if any)
Such feasible well fluids lift system, i.e. it can give people class and use required type in a large amount of geothermal energies of offer
Geothermal well in have the operation of prolongation.
The content of the invention
In one embodiment, the present invention provides a kind of electro-motor, and it includes：Motor shell；And sleeve rotor, its
It is configured to be rotated in the stator being contained in motor shell, and by stator driving；Wherein, motor shell is characterised by horse
Up to the maximum cross-section area of housing, and wherein, sleeve rotor limits flow channel, and flow channel is characterised by flow channel
Smallest cross-section area, wherein, the smallest cross-section area of flow channel is at least the 25% of the maximum cross-section area of motor shell,
And wherein, sleeve rotor has the first end section for limiting fluid intake, and the second end section for limiting fluid issuing；Stream
Body entrance, flow channel and fluid issuing are configured to allow for fluid and are sent to fluid issuing from fluid intake by flow channel.
In another embodiment, the present invention provides a kind of electric fluid pump, and it includes：(a) electro-motor, electro-motor
Including：(i) motor shell；And (ii) sleeve rotor, it is configured to be rotated in the stator being contained in motor shell, and
By stator driving；Wherein, motor shell is characterised by the maximum cross-section area of motor shell, and wherein, sleeve rotor is limited
Determine flow channel, flow channel is characterised by the smallest cross-section area of flow channel, wherein, the minimum cross-section of flow channel
Product is at least the 25% of the maximum cross-section area of motor shell, and wherein, sleeve rotor has the first of restriction fluid intake
End part, and the second end section for limiting fluid issuing；Fluid intake, flow channel and fluid issuing are configured to allow for fluid
Fluid issuing is sent to from fluid intake by flow channel；(b) transition zone, its be configured to be attached to sleeve rotor treat by
Motor is provided on the power transmission shaft of the pumping installations of power；C () is by transition connector, first end section, or transition connector and
One or more inhalation ports that both one end parts limit；The inhalation port is in fluid with the flow channel of sleeve rotor
Connection；And (d) pumping installations, it include fluid intake and be fixed to by electro-motor provide one of power transmission shaft of power or
Multiple impellers.
In yet another embodiment, the present invention provides a kind of machine for producing electrical power, and it includes：(a) electromotor,
Electromotor includes：(i) generator housing；And (ii) hollow magnetic rotor, it is configured to be contained in generator body body
Rotation in stator；Wherein, generator housing is characterised by the maximum cross-section area of generator housing, and wherein, hollow magnetic
Property rotor limit flow channel, flow channel is characterised by the smallest cross-section area of flow channel, wherein, flow channel is most
Little cross-sectional area is at least the 25% of the maximum cross-section area of generator housing, and wherein, hollow magnetic rotor has restriction
The first end section of fluid intake, and limit the second end section of fluid issuing；Fluid intake, flow channel and fluid issuing
It is configured to allow for fluid and fluid issuing is sent to from fluid intake by flow channel；B () transition zone, it is configured to will be hollow
Magnet rotor is attached on the power transmission shaft of the turbine apparatus for being configured to drive hollow magnetic rotor；And (c) by transition connector,
First end section, or one or more inhalation ports that both transition connector and first end section limit；The inhalation port
It is in the flow channel of hollow magnetic rotor and is in fluid communication；Wherein, turbine apparatus include being fixed to one on power transmission shaft or
Multiple impellers.
In yet another embodiment, the present invention provides a kind of electric fluid pump, and it for running in wellhole to optimize
Electric submersible pump (ESP).
Description of the drawings
When reading described in detail below referring to the drawings, these and other features of the invention, aspect and advantage will become
More fully understand, in the accompanying drawings, simileys represent like in all figures, wherein：
Fig. 1 illustrates one or more embodiments of the invention；
Fig. 2 illustrates one or more embodiments of the invention；
Fig. 3 illustrates one or more embodiments of the invention；
Fig. 4 illustrates one or more embodiments of the invention；
Fig. 5 illustrates one or more embodiments of the invention；
Fig. 6 illustrates one or more embodiments of the invention；
Fig. 6 A illustrate the amplification end view of the journal bearing of the present invention；Fig. 7 illustrates one or more embodiments of the invention；
Fig. 8 illustrates one or more embodiments of the invention；
Fig. 9 illustrates one or more embodiments of the invention；
Figure 10 illustrates one or more embodiments of the invention；
Figure 11 illustrates one or more embodiments of the invention；And
Figure 12 illustrates one or more embodiments of the invention.
List of parts：
100 sleeve rotor electro-motors
10 motor shells
12 motor shell maximum gauges
14 gaps (between the stator and the rotor)
15 sealing leak paths
16 rotary seal portions
17 fixing seal parts
18 seal bellows
19 seal installation portions
20 sleeve rotors
21 dielectric fluids
22 sleeve rotors minimum interior diameter
The first end section of 24 sleeve rotors
25 flow channels limited by sleeve rotor
The second end section of 26 sleeve rotors
27 fluid intakes (are limited) by either sleeve rotor or pump
29 fluid issuings limited by sleeve rotor
30 stators
40 transition zones
41 with the connector of power transmission shaft 50
42 with the connector of sleeve rotor 20
The power transmission shaft (being also the first power transmission shaft) of 50 devices that power is provided by motor
The direction of rotation of 51 first power transmission shafts
52 second driving shafts
The direction of rotation (contrary with direction 51) of 53 second driving shafts
54 are configured to the epicyclic gearbox that makes power transmission shaft 52 rotate along the direction in opposite direction with power transmission shaft 50
60 inhalation ports
70 direction of fluid flow
80 sealing members (face seal)
The pipeline of 90 outputs for receiving motor
100 sleeve rotor electro-motors
200 pumps
210 pump cases (housing)
215 bearing support columns
251 cardan-shaft suspension bearings
252 thrust bearings
253 bubblers
257 impellers
258 second groups of impellers
300 electric fluid pumps for including motor 100 and pump 200
900 motors (motor/generator)
910 motor housings (housing)
920 hollow magnetic rotors
957 turbo blades
960 outlet ports
1000 turbines
1010 turbine shrouds
1027 turbine fluids are exported
1028 turbine fluid entrances
1105 armature spindles
1110 are attached to the permanent magnet on armature spindle
1115 magnet retaining rings
1120 hollow magnetic rotors
1200 geothermal wells and heat energy extraction system 1200
1205 geothermal fields
1210 energy recovery units
1215 geothermal production mouths
1220 geothermal productions
1225 power supply cables
1230 hot water
1235 cold water
1240 energy
1250 underground heat injection wells.
Specific embodiment
As mentioned, in one embodiment, the present invention provides a kind of electro-motor, and electro-motor includes：Motor
Housing；And sleeve rotor, it is configured to be rotated in the stator being contained in motor shell, and by stator driving；Wherein,
Motor shell is characterised by the maximum cross-section area of motor shell, and wherein, sleeve rotor limits flow channel, and flowing is logical
Road is characterised by the smallest cross-section area of flow channel, wherein, the smallest cross-section area of flow channel be motor shell most
At least the 25% of big cross-sectional area, and wherein, sleeve rotor has the first end section for limiting fluid intake, and limits stream
The second end section of body outlet；Fluid intake, flow channel and fluid issuing are configured to allow for fluid by flow channel from stream
Body entrance is sent to fluid issuing.
Can using various motors topology, including surface-mounted permanent magnet type, interior permanent magnets formula, vicariouss,
Around field formula, synchronous reluctance formula and switched reluctance topology.In one or more embodiments, motor is surface-mounted permanent magnet
Type.
In one or more embodiments, the electro-motor that the present invention is provided is characterised by the minimum transversal of flow channel
Area is the 25% to about 75% of the maximum cross-section area of motor shell.
In one or more embodiments, the electro-motor that the present invention is provided is characterised by the minimum transversal of flow channel
Area is the 30% to about 55% of the maximum cross-section area of motor shell.
In one or more embodiments, the electro-motor that the present invention is provided is further included：Transition zone (has herein
When be referred to as transition connector), its be configured to by sleeve rotor be attached to by motor provide power device power transmission shaft on；And
By transition connector, first end section, or one or more inhalation ports that both transition connector and first end section limit；
The inhalation port is in the flow channel of sleeve rotor and is in fluid communication.In one or more embodiments, transition zone is
The connector can be integral with the power transmission shaft of either sleeve rotor or device or separate.
In one or more embodiments, transition connector limits one or more inhalation ports.In another embodiment
In, first end section limits one or more inhalation ports.In yet another embodiment, transition connector and first end section two
Person each limits at least one inhalation port.In yet another embodiment, only transition connector limits one or more suction sides
Mouthful.
In one or more embodiments, electro-motor further includes dielectric fluid, cold in sometimes herein called dielectric
But agent fluid.In one or more embodiments, the gap of dielectric fluid filling separates the outer surface of sleeve rotor and stator.
Appropriate dielectric coolant fluid includes silicone oil, the aromatic hydrocarbons of such as biphenyl, diphenyl ether, fluorinated polyether, esters of silicon acis liquid, perfluorinate
Carbon, alkane and polyalphaolefin.
In another embodiment, the gap of gaseous fluid filling separates the outer surface of sleeve rotor and stator.One
In individual embodiment, the gas in gap can be air.In another embodiment, the gas in gap can be the gas of relatively inert
Body, such as helium or argon.In one embodiment, the gas in gap is nitrogen.
In one or more embodiments, the motor that the present invention is provided includes encapsulated stator, such as in United States Patent (USP)
7847454th, described in U.S. Provisional application 12/904523 and U.S. Patent application 12/915604 and 12/940524,
They are incorporated herein by reference with it.
As mentioned, in one or more embodiments, the present invention provides a kind of electric fluid pump, and it includes：(a)
Electro-motor, electro-motor includes：(i) motor shell；And (ii) sleeve rotor, it is configured to be contained in motor shell
Stator in rotation, and by stator driving；Wherein, motor shell is characterised by the maximum cross-section area of motor shell, with
And wherein, sleeve rotor limits flow channel, flow channel is characterised by the smallest cross-section area of flow channel, wherein, stream
The smallest cross-section area of dynamic passage is at least the 25% of the maximum cross-section area of motor shell, and wherein, sleeve rotor has
Limit the first end section of fluid intake, and the second end section for limiting fluid issuing；Fluid intake, flow channel and fluid
Outlet is configured to allow for fluid and is sent to fluid issuing from fluid intake by flow channel；(b) transition zone, its be configured to by
Sleeve rotor is attached on the power transmission shaft of the pumping installations that power is provided by motor；(c) by transition connector, first end section,
Or one or more inhalation ports that both transition connector and first end section limit；The inhalation port and sleeve rotor
Flow channel is in fluid communication；And (d) pumping installations, it includes fluid intake and is fixed to provide power by electro-motor
Power transmission shaft on one or more impellers.
In one or more embodiments, the electric fluid pump that the present invention is provided includes the be arranged on the first power transmission shaft
One group of impeller, and second group of impeller on second driving shaft, first power transmission shaft and second driving shaft are configured to
Driven by sleeve rotor, first power transmission shaft and second driving shaft are configured to rotate in opposite direction.
In one or more embodiments, the electric fluid pump that the present invention is provided includes pumping installations housing (also referred to as pump
Housing), it limits fluid intake, and accommodates pump section, and pump section includes being fixed to the transmission that power is provided by electro-motor
One or more impellers on axle.In one or more embodiments, electric fluid pump includes being installed to pumping installations housing
Fixed bubbler on inner surface.
In yet another embodiment, the present invention provides a kind of machine for producing electrical power, including：A () electromotor, sends out
Motor includes：(i) generator housing；And (ii) hollow magnetic rotor, it is configured to be contained in determining in generator body body
Rotation in sub；Wherein, generator housing is characterised by the maximum cross-section area of generator housing, and wherein, hollow magnetic
Rotor limits flow channel, and flow channel is characterised by the smallest cross-section area of flow channel, wherein, the minimum of flow channel
Cross-sectional area is at least the 25% of the maximum cross-section area of generator housing, and wherein, hollow magnetic rotor has restriction stream
The first end section of body entrance, and limit the second end section of fluid issuing；Fluid intake, flow channel and fluid issuing structure
Cause to allow fluid from flow channel to be sent to fluid issuing from fluid intake；B () transition zone, it is configured to hollow magnetic
Property rotor be attached to be configured to drive hollow magnetic rotor turbine apparatus power transmission shaft on；And (c) by transition connector,
One end part, or one or more outlet ports that both transition connector and first end section limit；The inhalation port with
The flow channel of hollow magnetic rotor is in fluid communication；Wherein, turbine apparatus include or many be fixed on power transmission shaft
Individual impeller.
In one or more embodiments, the machine provided by the present invention for producing electrical power further includes restriction one
The turbine apparatus housing of individual or multiple fluid issuings.In one or more embodiments, provided by the present invention for producing electric work
The machine of rate further includes the turbine apparatus housing for limiting one or more fluid intakes.
In one or more embodiments, the machine provided by the present invention for producing electrical power further makes hollow turn
The gap that outer surface and the stator of son separates includes the dielectric fluid that pressurizes.
In one or more embodiments, the machine provided by the present invention for producing electrical power includes encapsulated stator.
Referring now to accompanying drawing, Fig. 1 illustrates the major diameter electro-motor 100 of present invention offer, and motor includes motor shell 10
With the sleeve rotor 20 being arranged in motor.Sleeve rotor 20 is configured to be rotated in stator 30 and is driven by stator 30, stator
30 are contained in motor shell.Gap 14 separates the outer surface of sleeve rotor and stator.Gap 14 is in sometimes herein called sky
Gas gap, but in one or more embodiments, can be with the filling of dielectric coolant fluid, air or one other fluid.It is hollow
Rotor 20 limits flow channel 25, and flow channel 25 is characterised by smallest cross-section area 22.Similarly, the spy of motor shell 10
It is the maximum cross-section area 12 to levy.In one or more embodiments, flow channel 25 and motor shell 10 both be shaped as
Cylinder, and it is characterised by single flow channel cross product and single-motor housing cross-sectional product.It that case,
The cross-sectional area of flow channel 25 is at least the 25% of the cross-sectional area of motor shell 10.In the embodiment for showing, hollow turn
Son 20 has the first end section 24 for limiting fluid intake 27.Sleeve rotor 20 further limits second end section 26, the second end
Part 26 limits fluid issuing 29.Fluid intake 27, flow channel 25 and fluid issuing 29 are in fluid communication so that by stream
The fluid (such as liquid) that body entrance enters sleeve rotor is transmittable by flow channel, and leaves fluid issuing.
Referring now to Fig. 2, this illustrates the major diameter electro-motor 100 of present invention offer, and motor includes transition connector
40 (in sometimes herein called transition zones), transition connector 40 is configured to be attached to sleeve rotor 20 and provides power by motor
Device (not shown) power transmission shaft 50 on.In the embodiment for showing, inhalation port 60 allows fluid to be sent to flow channel
In 25, as proposed by flowing direction arrow 70.In one or more embodiments, transition connector 40 and sleeve rotor and
Power transmission shaft 50 separate, and be for example connected to by friction joint, shrink-fit, screw thread or combinations thereof sleeve rotor and
Power transmission shaft 50 is on each.In one or more embodiments, transition connector is integral with sleeve rotor, and is connected to transmission
On axle 50.In one or more embodiments, transition connector is integral with the power transmission shaft of the device that power is provided by motor, and
And be connected on sleeve rotor.In one or more embodiments, inhalation port 60 is characterised by one or more cross sections
Product, and the summation of these cross-sectional areas of inhalation port is substantially equal or larger than the smallest cross-section area of flow channel 25.
Referring now to Fig. 3, this illustrates the major diameter electro-motor 100 of present invention offer.In the embodiment for showing, horse
Up to be connected to be configured to by fluid be pumped into and power transmission shaft 50 by the pump of flow channel 25 on.In one or more enforcements
In example, fluid can be pushed vertically and be pushed through to inhalation port 60 by a series of impeller (not shown)s along power transmission shaft 50.Sealing member
80 prevent this working fluid from entering motor and contact internal motor component, such as stator.In one or more embodiments, it is right
Pressurization dielectric fluid of the environment of the outside of motor packing ratio motor in bigger pressure.In one or more embodiments, plus
Pressure dielectric fluid is leaked out out from inside motor, used as the means of the inside for preventing working fluid suction motor.Sealing member 80
Typically face seal type.In one or more embodiments, sealing member 80 includes the fixation being fixed in motor shell
Formula containment member, and the movable sealing component being attached on sleeve rotor, fixed containment member and movable sealing component are limited
Surely the dielectric fluid that pressurizes can flow through leakage paths therein.In the embodiment for showing, transition connector 40 and power transmission shaft are shown
50 is integral, and limits inhalation port 60.In the embodiment for showing, transition connector 40 limits inhalation port 60, and
The first end section (Fig. 1) of sleeve rotor lacks inhalation port.
Referring now to Fig. 4, this illustrates the major diameter electro-motor 100 of present invention offer.In the embodiment for showing, show
Show that transition connector 40 is integral with sleeve rotor 20.It should be noted that in this or any other embodiment, it is determined that flowing
During the smallest cross-section area of passage, transition connector 40 is not considered.In the embodiment for showing, the paired pump section of motor structure
The power transmission shaft 50 of (not shown) provides power, and pump section works to working fluid and makes working fluid (not shown) edge vertically
Power transmission shaft 50 to move, as direction arrow 70 is indicated.Working fluid enters flow channel 25 by inhalation port 60.
In the embodiment of display, the first end section (Fig. 1) of sleeve rotor 20 limits inhalation port 60, and transition connector 40 lacks
Inhalation port.
Referring now to Fig. 5, this illustrates the electric fluid pump of one or more embodiments of the invention.Electrical fluid
Pump includes the major diameter electro-motor 100 for being configured to provide pump 200 power.In the embodiment for showing, only one of pump 200
Divide visible.Pump 200 includes pump case 210 and the impeller 257 being attached on power transmission shaft 50, and power transmission shaft 50 passes through transition connector 40
It is connected on the sleeve rotor 20 of major diameter electro-motor 100.In the embodiment for showing, transition connector 40 is to be attached to biography
Independent component (i.e. not integral with either power transmission shaft 50 or sleeve rotor 20) on both moving axis 50 and sleeve rotor 20.
Transition connector 40 limits inhalation port 60, and sleeve rotor 20 does not limit inhalation port.Electro-motor 100 includes motor shell
Body 10, in the embodiment for showing, motor shell 10 is attached in pump case 210 in the fluid inlet end of sleeve rotor, and
It is attached on pipeline 90 in the port of export of sleeve rotor.In one or more embodiments, pipeline 90 is configured to by hollow turn
The flow channel 25 of son 20 receives the fluid promoted by pump 200, as indicated by flow direction arrow 70.
Referring now to Fig. 6, this illustrates the electric fluid pump of one or more embodiments of the invention.Electrical fluid
Pump includes the major diameter electro-motor 100 for being configured to provide pump 200 power.In the embodiment for showing, only the one of motor 100
It is partially visible.Pump 200 includes pump case 210 and the impeller 257 being attached on power transmission shaft 50, and power transmission shaft 50 passes through transition connector
40 are connected on the sleeve rotor 20 of major diameter electro-motor 100.In the embodiment for showing, transition connector 40 is to be attached to
The independent component of power transmission shaft 50 and sleeve rotor 20 on both is not (i.e. whole with either 20 one-tenth of power transmission shaft 50 or sleeve rotor
Body).Pump 200 also includes fixed bubbler 253 and thrust bearing 252.Thrust bearing 252 is (in sometimes herein called thrust pad
Circle) it is positioned between fixed bubbler and rotating type impeller.In the embodiment for showing, show power transmission shaft 50 by journal bearing
251 supportings, show journal bearing 251 with amplification end view in fig. 6, wherein, journal bearing 251 is by support column 215
Hold.Although depicting only single radial support bearing in figure 6, in the major diameter electro-motor, electronic that the present invention is provided
Fluid pump and for typically comprising multiple journal bearings in the machine for producing electrical power.
Referring now to Fig. 7, this illustrates the transition connector 40 of one or more embodiments of the invention.Showing
Embodiment in, transition connector is single independent component, and it is configured to be attached to power transmission shaft by the first connector 41
(50) on, and it is configured to be attached on sleeve rotor (20) by the second connector 42.Transition connector limits multiple suctions
Port 60.In the embodiment for showing, transition connector 40 can be for example, by friction joint, shrink-fit joint or their group
Close and be attached in power transmission shaft 50 and sleeve rotor 20 each on.
Referring now to Fig. 8, this illustrates the transition zone 40 of one or more embodiments of the invention, its with it is hollow
Rotor 20 it is integral and formed sleeve rotor 20 a part.Transition zone 40 includes the first connector, the first connector construction
Into being attached on the power transmission shaft of the device for being configured to be driven by sleeve rotor 20.Although 60 liang of the first connector 41 and inhalation port
Person is integral with sleeve rotor 20 and forms a part for sleeve rotor 20, but is calculating the minimum cross-section of flow channel 25
During product 22, transition zone 40 is not considered.
Referring now to Fig. 9, this illustrates the machine for producing electrical power of one or more embodiments of the invention
Device.In the embodiment for showing, machine includes electromotor 900, and electromotor 900 includes that generator housing 910 and hollow magnetic turn
Son 920, hollow magnetic rotor 920 is configured to the rotation in the stator 30 being contained in generator body body.Generator housing 910
It is characterised by the maximum cross-section area.Hollow magnetic rotor limits flow channel 25, and flow channel 25 extends hollow magnetic rotor
Length, and it is characterized in that smallest cross-section area, the smallest cross-section area of flow channel is the maximum transversal of generator housing
At least the 25% of area.Hollow magnetic rotor has the first end section 24 for limiting fluid issuing 29, and limits fluid intake
27 second end section 26.Fluid intake, flow channel and fluid issuing are in fluid communication so that entered by fluid intake 27
The fluid for entering flow channel 25 is transmittable by flow channel 25, and leaves hollow magnetic rotor by fluid issuing 29.Can
Fluid is sent to from fluid intake by flow channel to say that fluid intake, flow channel and fluid issuing are configured to allow for fluid
Outlet.Machine for producing electrical power includes transition zone 40, and transition zone 40 is configured to be attached to hollow magnetic rotor
It is configured on the power transmission shaft of the turbine apparatus of driving hollow magnetic rotor.In the embodiment for showing, show that transition zone 40 is limited
Determine outlet port 960, outlet port 960 is configured to allow for fluid and transmits from the flow channel and fluid issuing of hollow magnetic rotor
Out.Transition zone 40 is connected on the power transmission shaft 50 of turbine 1000 (in sometimes herein called turbine apparatus).In the reality for showing
In applying example, turbine 1000 includes turbo blade 957 and turbine shroud 1010.
In one or more embodiments, in run duration, the machine for producing electrical power that figure 9 illustrates such as with
Generate electricity down.The fluid for flowing under stress enters hollow magnetic rotor by fluid intake 27, and flows through flow channel
25, as indicated by direction arrow 70.Fluid is sent in transition zone, and exits into generator housing 910
The cavity limited with turbine shroud 1010.The fluid for flowing under stress runs into turbo blade during it transports through turbine
957.Energy transmission from fluid is to turbo blade, so that blade and power transmission shaft 50 rotate.The rotation of power transmission shaft 50 makes again
Hollow magnetic rotor 920 is rotated about in stator 30, and so as to produce electrical power.A part for its energy for including has been passed
Pass the fluid of turbine and then turbine 1000 is sent out by turbine fluid outlet 1027.
In one or more embodiments, turbine shroud limits one or more fluid intakes 1028.When for producing electricity
The machine of power such as pipe or wellhole or other pipelines (part for the fluid for wherein flowing under stress be allowed to along
The outer surface flowing of generator housing 910) limited space in when running, these can be useful.For example flow under stress
Dynamic fluid can run into the end of fluid intake 27 for producing the machine of electrical power being arranged in pipeline so that gap is present in
Between the outer surface of generator housing and the inwall of pipeline.The Part I of the fluid for flowing under stress is sent to flow channel
In 25, and the Part II of fluid is transmitted along the outer surface of generator housing.Then Part II runs into restriction fluid and enters
The outer surface of the turbine shroud of mouth 1028.Some or all in the Part II of fluid enter turbine and contact turbo blade,
And a part for the energy being included in the Part II of fluid passes to turbine.In one or more embodiments, turbine
Housing is configured to the fluid passage being partially or completely blocked between the outer surface of turbine shroud and the inwall of pipeline.
Those skilled in the art will appreciate that one or more of the machine provided by the present invention for producing electrical power
Close relation between one or more embodiments for the electric fluid pump that embodiment and the present invention are provided.Thus, simply make
Fluid stream and sense of current are reversed can be converted into power consumption formula electric fluid pump producing the machine of electrical power.In underground heat life
Produce well background under, for example, the present invention provide and be arranged on the electric fluid pump in geothermal production can be by hot water from underground heat
Field is pumped into the heat energy at ground and extracts facility.
Referring now to Figure 10, this illustrates the electric fluid pump 300 of one or more embodiments of the invention.Pump bag
The sleeve rotor electro-motor (not shown) of present invention offer, and pumping sections 200 are included, pumping sections 200 include being arranged on
First group of impeller 257 being configured on the first power transmission shaft 50 of the rotation of direction 51, and installed in being configured to be revolved along direction 53
The second group of impeller 258 on second driving shaft 52 for turning, first power transmission shaft and second driving shaft are configured to by sleeve rotor
Drive, first power transmission shaft and second driving shaft are configured to be rotated in opposite direction by epicyclic gearbox 54.
Referring now to Figure 11, this is illustrated in the sleeve rotor electro-motor of one or more embodiments of the invention
Sealing member 80.The figure shows a part for the hollow magnetic rotor 1120 with armature spindle 1105, and armature spindle 1105 limits stream
Dynamic passage 25.Permanent magnet 1110 is attached on the outer surface of armature spindle 1105 by magnet retaining ring 1115.In the enforcement for showing
In example, motor includes the gap 14 between the outer surface and stator 30 that contact stator 30 and filling sleeve rotor magnet rotor 1120
Pressurization dielectric fluid 21.Sealing member 80 prevents working fluid (not shown) to be drawn in the interior part of motor 100.Sealing member 80
Including rotating part 16, rotating part 16 is fixed on the outer surface of sleeve rotor magnet rotor 1120, and and sleeve rotor
Magnet rotor 1120 rotates together.Sealing member 80 also includes by fixing seal part 17, seal bellows 18 and is attached to motor
Non-active surface on (show embodiment in, be attached on motor shell) seal installation portion 19 constitute it is fixed
Part.Sealing member 80 limits sealing leak path 15, and the pressurization dielectric fluid 21 of a small amount of can flow through sealing leak path 15, so as to
In preventing the interior section of working fluid suction motor.
Referring now to Figure 12, the geothermal well for illustrating one or more embodiments of the invention extracts system with heat energy
System 1200.Show embodiment in, the present invention provide and including sleeve rotor electro-motor 100 and the electricity of pump section 200
Dynamic fluid pump 300 is arranged in geothermal production 1220.From geothermal field 1205 to the hot-water supply 1230 of producing well 1220.At one
In embodiment, hot water 1230 is in 300 DEG C of temperature and the pressure of 300 bars.Hot water from geothermal field 1205 is given birth to into underground heat
Well 1220 is produced, and the electric fluid pump 300 of power is provided by cable 1225 and shift ground onto.On ground, in energy regenerating list
In unit 1210 from hot water extracting energy 1240, energy recovery unit 1210 is connected on producing well 1220 at well head 1215.
As one of ordinary skill will appreciate, various methods can be adopted, including produces steam and drive electric turbine.One
In individual embodiment, energy recovery unit includes organic rankine cycle.By the cooling water for removing energy and producing from hot water 1230
1235 return to geothermal field 1205 by injection well 1250, wherein, cooling water 1235 absorbs heat from field and produces hot water 1230.
As mentioned, in one embodiment, the present invention provides a kind of electro-motor, and it includes：Motor shell；With
And sleeve rotor, sleeve rotor is configured to be rotated in the stator being contained in motor shell, and by stator driving；Wherein,
Motor shell is characterised by the maximum cross-section area of motor shell, and wherein, sleeve rotor limits flow channel, and flowing is logical
Road is characterised by the smallest cross-section area of flow channel, wherein, the smallest cross-section area of flow channel be motor shell most
At least the 25% of big cross-sectional area, and wherein, sleeve rotor has the first end section for limiting fluid intake, and limits stream
The second end section of body outlet；Fluid intake, flow channel and fluid issuing are configured to allow for fluid by flow channel from stream
Body entrance is sent to fluid issuing.
Such motor can be used for various applications.For example, the motor that the present invention is provided can be used for such situation
In, i.e. wherein, in run duration, motor is arranged in the confined space, such as pipe, cabin or wellhole.In one embodiment
In, compared with traditional in-line arrangement (in-line) pump, the present invention is provided to fluid can be made with the straight of higher speed movement
Motor in column pump.Believe, the present invention provide motor and including these motors pumping system will can be used for it is various
Application in, the urgent water removal system of in-line arrangement pump, close-coupled high flow rate boat-carrying in the airborne fire-fighting system of such as high flow rate,
In-line arrangement high flow capacity fluid delivery pump, the in-line arrangement high flow capacity fluid in petroleum refining and dispensing in chemical industry manufacture and dispensing
Delivery pump, and the in-line arrangement high flow capacity fluid delivery pump that can be maintained in the gnotobasiss needed in medical treatment and food applications.
As mentioned, in one embodiment, the present invention provides a kind of electric fluid pump, and it is in wellhole
Operation and optimize and including the present invention provide at least one sleeve rotor motor electric submersible pump (ESP).In the present invention
One or more embodiments in, ESP includes one or more electro-motors for constructing for one or more pumping sections.
In one embodiment, electric submersible pump (ESP) is for the fortune in the geothermal wellbores with about 10.625 inches of aperture
Go and optimize.In one such embodiment, ESP is configured to using the power of about 5.0MW, and this is under the pressure of 300 bars
Amount required for the working fluid (water, with 2% or less gas share) of 300 DEG C of promotion 80kg/ seconds (kg/s).At this
In kind of embodiment, ESP can run to obtain benefit under the pump/motor speed of about 3150RPM, so as to balance system efficiency and
Pump stage boosts and motor heat problem.In one or more embodiments, the ESP that the present invention is provided includes thering is about 19 meters total
About 126 impeller/bubbler levels of length, and the sleeve rotor electro-motor section with about 16 meters of length, this
So that the joint total length of ESP motors and pumping sections is of about 35 meters.The total length of the ESP that the present invention is provided typically compares horse
Up to slightly longer with the summation of the length of pumping sections, because existing special along the extra structure of ESP pump-motors axis arrangement
Levy, for example, protect section (discussing herein).The total length of the ESP that the present invention is provided can widely change, but in underground heat life
In producing well application, the length of this ESP will typically fall in the scope between 30 and 50 meters.What inventor performed makes
The experimental design analysis of fluid operator dynamic characteristic of using tricks (CFD) are disclosed, by one or more embodiments of the invention
ESP, can realize up to 78% efficiency of pump under the flow rate of 80kg/ seconds.On the one hand, the present invention is provided includes induction motor
ESP.In an alternative embodiment, the present invention provides the ESP for including permanent magnet motor.In run duration, by ESP impellers/bubbler
The hole (flow channel is otherwise referred to as herein) that the water that level is promoted mainly is conveyed into and passes through sleeve rotor.At one or many
In individual embodiment, the ESP that the present invention is provided includes modular motor, and modular motor has been directed towards power density and carries out excellent
Change, and be divided into 8-10 section, motor total length is of about 16 meters.The high temperature test of various motor isolated materials is performed
Assess with the High Temperature High Pressure of candidate's dielectric coolant fluid, and have determined that appropriate candidate's motor isolated material and dielectric are cold
But agent fluid.These include such as U.S. Patent application No.12/968437 and 13/093306, and (they are whole with its by reference
Body is incorporated herein) disclosed in motor isolated material, and the dielectric fluid being known in the art, such as perfluor gather
Ether.Be applied in combination circulation dielectric oil heat management and using inorganic solid-state motor isolated material in the case of, ＜ can be obtained
330 DEG C of peak value motor temperature, and this is acceptable.In one or more embodiments, the ESP that the present invention is provided includes
High pressure-temperature dielectric fluid stream loop.As one of ordinary skill will appreciate, use in the motor portion of ESP
Pressurization dielectric fluid needs to make dielectric fluid isolate with process fluid using one or more sealing members.
This written description discloses the present invention, including optimal mode using example, and also makes any technology people in this area
Member can put into practice the present invention, including manufacture and using any device or system, and the method for performing any combination.The present invention's
Patentable scope is defined by the claims, and may include other examples that those skilled in the art expect.If this
Other examples of sample have the structural element of literal language not different from claim, or if such other examples include
With the equivalent structure element of the literal language without substantial differences of claim, then they be intended in claim scopes it
It is interior.
Claims (10)
1. a kind of electro-motor, including：
(a) motor shell；And
B () sleeve rotor, it is configured to be rotated in the stator being contained in the motor shell, and is driven by the stator
It is dynamic；Wherein, the motor shell is characterised by the maximum cross-section area of the motor shell, and wherein, described hollow turn
Son limits flow channel, and the flow channel is characterised by the smallest cross-section area of the flow channel, wherein, the flowing
The smallest cross-section area of passage is the 25% to 75% of the maximum cross-section area of the motor shell, and wherein, it is described hollow
Rotor has the first end section for limiting fluid intake, and the second end section for limiting fluid issuing；The fluid intake, institute
State flow channel and the fluid issuing is configured to allow for fluid and is sent to institute from the fluid intake by the flow channel
State fluid issuing.
2. electro-motor according to claim 1, it is characterised in that further include：
Transition zone, it is configured to that the sleeve rotor is attached to the power transmission shaft of the device for treating that power is provided by the motor
On；And by transition connector, the first end section, or both the transition connector and the first end section limit
One or more inhalation ports；The inhalation port is in the flow channel of the sleeve rotor and is in fluid communication.
3. electro-motor according to claim 2, it is characterised in that the transition zone is arranged to and the sleeve rotor
Or the integral or separate connector of power transmission shaft of described device.
4. electro-motor according to claim 2, it is characterised in that the inhalation port is characterised by one or more
Cross-sectional area, and wherein, the summation of the cross-sectional area of the inhalation port is substantially equal or larger than the flow channel most
Little cross-sectional area.
5. electro-motor according to claim 4, it is characterised in that the transition connector limits one or more suctions
Port.
6. electro-motor according to claim 1, it is characterised in that further include the dielectric fluid that pressurizes.
7. electro-motor according to claim 1, it is characterised in that the gap of dielectric fluid filling makes the sleeve rotor
Outer surface and the stator separate.
8. a kind of electric fluid pump, including：
A () electro-motor, it includes：
(i) motor shell；And
(ii) sleeve rotor, it is configured to be rotated in the stator being contained in the motor shell, and is driven by the stator
It is dynamic；Wherein, the motor shell is characterised by the maximum cross-section area of the motor shell, and wherein, described hollow turn
Son limits flow channel, and the flow channel is characterised by the smallest cross-section area of the flow channel, wherein, the flowing
The smallest cross-section area of passage is the 25% to 75% of the maximum cross-section area of the motor shell, and wherein, it is described hollow
Rotor has the first end section for limiting fluid intake, and the second end section for limiting fluid issuing；The fluid intake, institute
State flow channel and the fluid issuing is configured to allow for fluid and is sent to institute from the fluid intake by the flow channel
State fluid issuing；
B () transition zone, it is configured to be attached to the sleeve rotor and treats by the pumping installations of motor offer power
On power transmission shaft；
C () is by transition connector, the first end section, or both the transition connector and the first end section limit
One or more inhalation ports；The inhalation port is in the flow channel of the sleeve rotor and is in fluid communication；And
D () pumping installations, it includes fluid intake and is fixed to provided by the electro-motor on the power transmission shaft of power
Or multiple impellers.
9. electric fluid pump according to claim 8, it is characterised in that include first group be arranged on the first power transmission shaft
Impeller, and second group of impeller on second driving shaft, first power transmission shaft and second driving shaft are configured to by institute
Sleeve rotor driving is stated, first power transmission shaft and second driving shaft are configured to rotate in opposite direction.
10. a kind of machine for producing electrical power, including：
A () electromotor, it includes：
(i) generator housing；And
(ii) hollow magnetic rotor, it is configured to be rotated in the stator being contained in the generator body body；Wherein, described
Electric machine casing is characterised by the maximum cross-section area of the generator housing, and wherein, the hollow magnetic rotor is limited
Flow channel, the flow channel is characterised by the smallest cross-section area of the flow channel, wherein, the flow channel
Smallest cross-section area is the 25% to 75% of the maximum cross-section area of the generator housing, and wherein, the hollow magnetic
Rotor has the first end section for limiting fluid intake, and the second end section for limiting fluid issuing；The fluid intake, institute
State flow channel and the fluid issuing is configured to allow for fluid and is sent to institute from the fluid intake by the flow channel
State fluid issuing；
B () transition zone, it is configured to be attached to the hollow magnetic rotor and is configured to drive the hollow magnetic rotor
On the power transmission shaft of turbine apparatus；And
C () is by transition connector, the first end section, or both the transition connector and the first end section limit
One or more outlet ports；The outlet port is in the flow channel of the hollow magnetic rotor and is in fluid communication；
Wherein, the turbine apparatus include one or more impellers being fixed on the power transmission shaft.
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201261592191P | 2012-01-30 | 2012-01-30 | |
| US61/592191 | 2012-01-30 | ||
| US61/592,191 | 2012-01-30 | ||
| US13/408202 | 2012-02-29 | ||
| US13/408,202 US20130195695A1 (en) | 2012-01-30 | 2012-02-29 | Hollow rotor motor and systems comprising the same |
| US13/408,202 | 2012-02-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103227521A CN103227521A (en) | 2013-07-31 |
| CN103227521B true CN103227521B (en) | 2017-05-03 |
Family
ID=47890892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310035149.9A Expired - Fee Related CN103227521B (en) | 2012-01-30 | 2013-01-30 | Hollow rotor motor and systems comprising the same |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN103227521B (en) |
| DE (1) | DE102013100876A1 (en) |
| GB (1) | GB2499114B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2573602B1 (en) * | 2016-03-03 | 2016-12-21 | Perga Ingenieros, S.L. | Turbogenerating device for the production of electrical energy, and associated operating and installation procedures |
| US10330754B2 (en) * | 2017-01-03 | 2019-06-25 | General Electric Company | Stator-less electric motor for a magnetic resonance imaging system and methods thereof |
| US10876534B2 (en) | 2017-08-01 | 2020-12-29 | Baker Hughes, A Ge Company, Llc | Combined pump and motor with a stator forming a cavity which houses an impeller between upper and lower diffusers with the impeller having a circumferential magnet array extending upward and downward into diffuser annular clearances |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5273404A (en) * | 1992-06-19 | 1993-12-28 | Wu Hung Chin | Tubular shaft motor and pump assembly |
| CN1308189A (en) * | 2000-02-10 | 2001-08-15 | 东芝泰格有限公司 | Electric pump with several impeller |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9120933D0 (en) * | 1991-10-02 | 1991-11-13 | Bhr Group Ltd | Axial flow pump |
| DE60123581T2 (en) * | 2000-02-09 | 2007-06-21 | Parker-Hannifin Corp., Cleveland | MOTOR PUMP UNIT |
| US20020153141A1 (en) * | 2001-04-19 | 2002-10-24 | Hartman Michael G. | Method for pumping fluids |
| US7847454B2 (en) | 2007-03-08 | 2010-12-07 | General Electric Company | Encapsulated stator assembly and process for making |
| US20100038142A1 (en) * | 2007-12-18 | 2010-02-18 | Halliburton Energy Services, Inc. | Apparatus and method for high temperature drilling operations |
-
2013
- 2013-01-28 GB GB1301487.3A patent/GB2499114B/en not_active Expired - Fee Related
- 2013-01-29 DE DE102013100876A patent/DE102013100876A1/en not_active Withdrawn
- 2013-01-30 CN CN201310035149.9A patent/CN103227521B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5273404A (en) * | 1992-06-19 | 1993-12-28 | Wu Hung Chin | Tubular shaft motor and pump assembly |
| CN1308189A (en) * | 2000-02-10 | 2001-08-15 | 东芝泰格有限公司 | Electric pump with several impeller |
Also Published As
| Publication number | Publication date |
|---|---|
| GB2499114A (en) | 2013-08-07 |
| CN103227521A (en) | 2013-07-31 |
| GB2499114B (en) | 2014-04-16 |
| DE102013100876A1 (en) | 2013-08-01 |
| GB201301487D0 (en) | 2013-03-13 |
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