CA1146470A - Rotor bearing system in vertical-axis turbines - Google Patents
Rotor bearing system in vertical-axis turbinesInfo
- Publication number
- CA1146470A CA1146470A CA000337121A CA337121A CA1146470A CA 1146470 A CA1146470 A CA 1146470A CA 000337121 A CA000337121 A CA 000337121A CA 337121 A CA337121 A CA 337121A CA 1146470 A CA1146470 A CA 1146470A
- Authority
- CA
- Canada
- Prior art keywords
- bearing system
- rotor bearing
- rotor
- liquid
- carrier ring
- 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.)
- Expired
Links
- 238000010521 absorption reaction Methods 0.000 claims abstract description 3
- 239000007788 liquid Substances 0.000 claims description 22
- 238000005192 partition Methods 0.000 claims description 4
- 239000000654 additive Substances 0.000 claims description 2
- 229920000642 polymer Polymers 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims description 2
- 238000006073 displacement reaction Methods 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- 239000012530 fluid Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000011068 loading method Methods 0.000 description 2
- 208000036366 Sensation of pressure Diseases 0.000 description 1
- 239000013590 bulk material Substances 0.000 description 1
- 239000011344 liquid material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
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
- F03D—WIND MOTORS
- F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
- F03D80/70—Bearing or lubricating arrangements
- F03D80/705—Lubrication circuits; Lubrication delivery means
- F03D80/709—Bearing lubrication
-
- 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
- F03D—WIND MOTORS
- F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
- F03D13/20—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors
-
- 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
- F03D—WIND MOTORS
- F03D3/00—Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor
- F03D3/002—Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor the axis being horizontal
-
- 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
- F03D—WIND MOTORS
- F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
- F03D80/70—Bearing or lubricating arrangements
-
- 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
- F03D—WIND MOTORS
- F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
- F03D9/10—Combinations of wind motors with apparatus storing energy
- F03D9/12—Combinations of wind motors with apparatus storing energy storing kinetic energy, e.g. using flywheels
-
- 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
- F03D—WIND MOTORS
- F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
- F03D9/10—Combinations of wind motors with apparatus storing energy
- F03D9/18—Combinations of wind motors with apparatus storing energy storing heat
-
- 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
- F03D—WIND MOTORS
- F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
- F03D9/20—Wind motors characterised by the driven apparatus
- F03D9/22—Wind motors characterised by the driven apparatus the apparatus producing heat
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C32/00—Bearings not otherwise provided for
- F16C32/06—Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings
- F16C32/0629—Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings supported by a liquid cushion, e.g. oil cushion
-
- 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
- Y02E10/70—Wind energy
-
- 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
- Y02E10/70—Wind energy
- Y02E10/728—Onshore wind turbines
-
- 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
- Y02E10/70—Wind energy
- Y02E10/74—Wind turbines with rotation axis perpendicular to the wind direction
-
- 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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/16—Mechanical energy storage, e.g. flywheels or pressurised fluids
-
- 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
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Power Engineering (AREA)
- Wind Motors (AREA)
- Support Of The Bearing (AREA)
Abstract
ABSTRACT
Rotor bearing system for vertical-shaft turbines.
The shaft (1) and the vanes (2) are rigidly and concentric-ally connected with a liquid-displacing carrier ring (3) mounted for centering and wind-load/absorption in a spherical and vertically displaceable bearing (5) mounted on a central support (6).
Rotor bearing system for vertical-shaft turbines.
The shaft (1) and the vanes (2) are rigidly and concentric-ally connected with a liquid-displacing carrier ring (3) mounted for centering and wind-load/absorption in a spherical and vertically displaceable bearing (5) mounted on a central support (6).
Description
11464qO ' ' This invention relates to a rotor bearing system in vertical-axis wind turbines.
One main object of the invention is to improve bearing systems of the said kind. To accomplish this there is provided according to the invention a rotor bearing system in vertical-axis turbines, characterized by the rotor shaft and the vanes being rigidly and concentrically connected with a liquid-displacing carrier ring mounted for centering and wind load bearing mounting rotatably on a central supportr The carrier ring preferably has a diameter of one-half or less than one-halfof the diameter of the turbine.
The invention is illustrated by way of example in the accompanying drawings wherein:
Figs. 1 and 2 are vertical sectional views of a vertical-axis wind turbine the rotor of which is carried in a bearing system according to the invention;
Fig. 3 is a partial, enlarged vertical sectional detail view of the bearing mounting similar to that illustrated in Fig. 2;
Fig. 4 is a diagrammatic top view of the bearing system of the invention; and, Fig. 5 is a vertical sectional view of still another embodiment of the rotor bearing system according to the invention.
In all figures, the same reference numerals are used to denote the same or similar details.
Referring now to the drawings and in particular Fig. 1, the vertical-axis turbine comprises rotor vanes 2 and a rotor shaft 1. The wind turbine may be of any known type and is B `~
driven by wind force indicated by the arrow V in Figure 1.
The rotor shaft 1 and the rotor vanes 2 are rigidly and concentrically mounted on a carrier ring 3 which is mounted for centering and wind load absorption in a spherical, ver-tically displaceable bearing 5 rotatably mounted on a centralsupport 6. The carrier ring 3 which by means of spokes is joined to the central rotor structure such as the rotor shaft 1, runs in a liquid such as water, oil or the like fluid, which liquid or fluid is contained in a vessel 4. The bearing friction generated in the liquid or fluid is converted into heat which easily can be utilized in some suitable manner.
As is evident from Figure 2, the carrier ring 3 in this embodiment is disposed within and encircled by an annular receptacle 7 having a U-shaped profile closely following the contour of the carrier ring 3. This embodiment entails reduced liquid friction in the rotational motion and encases the heat generated by the friction losses. Both the vessel 4 in Figure 1 and the receptacle 7 in Figure 2 may in a suitable manner be positioned on land in grooves or other cavities in the ground or in lakes or in shallow water of the sea, or, as an alternative, supported by a number of pillars above the ground or the water level.
In the embodiment represented in Figure 3, the carrier ring 3 is formed with a lower annular air or gas chamber 8, for which reason the liquid friction acting on said carrier ring is limited to the side walls 10 thereof. In order further to reduce this friction, it is possible, as is shown in the Figures, to cause discharge of gas into the surrounding liquid so as to generate a friction-reducing curtain 11 of liquid and gas adjacent the outer walls of the ring. The gas supply can preferably be arranged to be effected from the own gas cushion ring 8 of the carrier ring supplemented, if desired, by additional feed from outside to the flow of gas to the curtain, as is indicated by the arrow at the top of the Figure 3. The gas cushion ring 8 can be subdivided by forming the carrier ring with several separate sectors by means of radial-ly projecting gas-tight partition walls 9 which at their bottoms sea]. against the liquid by flexible sealing edges 9a in a manner known in the air cushion technique (see also Figure 4).
A bearing structure of ~his type affords to the ring rotor improved stability against heeling wind loadings. The sections of the gas cushion ring 8 between the partition walls 9 can be arranged with adjustable gas pressure and gas feed either common to all part-chambers or individually and capable of being modulated cyclically with the wind direction as reference for the phase angle deter-mining the pressure cycle. This has for its preferred purpose to increase the stability in the rotor loading due to the wind pres-sure, but has also for its purpose to control the wind response to the modes of natural oscillation in the mass system inclusive problems due to variations in the number of revolutions of the rotor.
In the embodiment shown in Figure 5, the lower annular receptacle 7 has been widened to constitute a storing chamber 12 of cylindrical shape and devised for storing deplacement liquid heated by the rotor friction and also for removal of heated liquid and, if necessary, supply of cold feed liquid. The shaft power of the wind turbine may in this connection be transferred to the liquid body 13 in the form of kinetic energy in various known manners, for example as disclosed in Swedish Patent 413,800, pre-ferably by adjustable guide vanes disposed concentrically in the inner lateral wall of the rotor ring 3.
In a wind rotor mounted in bearings according to the present invention the number of revolutions of the rotor can also be varied for adaption to the wind velocity to obtain optimum efficiency of the system, the control for this purpose being equipped with a wind-sensitive control of the power delivery from 1146~7~
the rotor in such a manner as is known from e.g. the afore-mentioned Swedish Patent 413,800. The rotor ring may also be loaded in a controllable manner with liquid or bulk material in the manner described in the said patent. The lateral walls of the carrier ring 3 may also, if desired, be surrounded by a liquid having friction-reducing additives of polymers and similar sub-stances of known kind.
Obviously, the invention is not limited to the shown and described embodiments thereof, which only are examples, but may be varied in many respects within the scope of the appended claims. The rotor bearing system of the invention may be applied to, for example, vertical-axis turbines of the type described in Applicant's two co-pending Canadian patent applications 337,119 and 337,120 field with claim to Convention Priority from the Swedish patent applications Serial Nos. 7810503-8 and 7810504-5, respectively.
~i
One main object of the invention is to improve bearing systems of the said kind. To accomplish this there is provided according to the invention a rotor bearing system in vertical-axis turbines, characterized by the rotor shaft and the vanes being rigidly and concentrically connected with a liquid-displacing carrier ring mounted for centering and wind load bearing mounting rotatably on a central supportr The carrier ring preferably has a diameter of one-half or less than one-halfof the diameter of the turbine.
The invention is illustrated by way of example in the accompanying drawings wherein:
Figs. 1 and 2 are vertical sectional views of a vertical-axis wind turbine the rotor of which is carried in a bearing system according to the invention;
Fig. 3 is a partial, enlarged vertical sectional detail view of the bearing mounting similar to that illustrated in Fig. 2;
Fig. 4 is a diagrammatic top view of the bearing system of the invention; and, Fig. 5 is a vertical sectional view of still another embodiment of the rotor bearing system according to the invention.
In all figures, the same reference numerals are used to denote the same or similar details.
Referring now to the drawings and in particular Fig. 1, the vertical-axis turbine comprises rotor vanes 2 and a rotor shaft 1. The wind turbine may be of any known type and is B `~
driven by wind force indicated by the arrow V in Figure 1.
The rotor shaft 1 and the rotor vanes 2 are rigidly and concentrically mounted on a carrier ring 3 which is mounted for centering and wind load absorption in a spherical, ver-tically displaceable bearing 5 rotatably mounted on a centralsupport 6. The carrier ring 3 which by means of spokes is joined to the central rotor structure such as the rotor shaft 1, runs in a liquid such as water, oil or the like fluid, which liquid or fluid is contained in a vessel 4. The bearing friction generated in the liquid or fluid is converted into heat which easily can be utilized in some suitable manner.
As is evident from Figure 2, the carrier ring 3 in this embodiment is disposed within and encircled by an annular receptacle 7 having a U-shaped profile closely following the contour of the carrier ring 3. This embodiment entails reduced liquid friction in the rotational motion and encases the heat generated by the friction losses. Both the vessel 4 in Figure 1 and the receptacle 7 in Figure 2 may in a suitable manner be positioned on land in grooves or other cavities in the ground or in lakes or in shallow water of the sea, or, as an alternative, supported by a number of pillars above the ground or the water level.
In the embodiment represented in Figure 3, the carrier ring 3 is formed with a lower annular air or gas chamber 8, for which reason the liquid friction acting on said carrier ring is limited to the side walls 10 thereof. In order further to reduce this friction, it is possible, as is shown in the Figures, to cause discharge of gas into the surrounding liquid so as to generate a friction-reducing curtain 11 of liquid and gas adjacent the outer walls of the ring. The gas supply can preferably be arranged to be effected from the own gas cushion ring 8 of the carrier ring supplemented, if desired, by additional feed from outside to the flow of gas to the curtain, as is indicated by the arrow at the top of the Figure 3. The gas cushion ring 8 can be subdivided by forming the carrier ring with several separate sectors by means of radial-ly projecting gas-tight partition walls 9 which at their bottoms sea]. against the liquid by flexible sealing edges 9a in a manner known in the air cushion technique (see also Figure 4).
A bearing structure of ~his type affords to the ring rotor improved stability against heeling wind loadings. The sections of the gas cushion ring 8 between the partition walls 9 can be arranged with adjustable gas pressure and gas feed either common to all part-chambers or individually and capable of being modulated cyclically with the wind direction as reference for the phase angle deter-mining the pressure cycle. This has for its preferred purpose to increase the stability in the rotor loading due to the wind pres-sure, but has also for its purpose to control the wind response to the modes of natural oscillation in the mass system inclusive problems due to variations in the number of revolutions of the rotor.
In the embodiment shown in Figure 5, the lower annular receptacle 7 has been widened to constitute a storing chamber 12 of cylindrical shape and devised for storing deplacement liquid heated by the rotor friction and also for removal of heated liquid and, if necessary, supply of cold feed liquid. The shaft power of the wind turbine may in this connection be transferred to the liquid body 13 in the form of kinetic energy in various known manners, for example as disclosed in Swedish Patent 413,800, pre-ferably by adjustable guide vanes disposed concentrically in the inner lateral wall of the rotor ring 3.
In a wind rotor mounted in bearings according to the present invention the number of revolutions of the rotor can also be varied for adaption to the wind velocity to obtain optimum efficiency of the system, the control for this purpose being equipped with a wind-sensitive control of the power delivery from 1146~7~
the rotor in such a manner as is known from e.g. the afore-mentioned Swedish Patent 413,800. The rotor ring may also be loaded in a controllable manner with liquid or bulk material in the manner described in the said patent. The lateral walls of the carrier ring 3 may also, if desired, be surrounded by a liquid having friction-reducing additives of polymers and similar sub-stances of known kind.
Obviously, the invention is not limited to the shown and described embodiments thereof, which only are examples, but may be varied in many respects within the scope of the appended claims. The rotor bearing system of the invention may be applied to, for example, vertical-axis turbines of the type described in Applicant's two co-pending Canadian patent applications 337,119 and 337,120 field with claim to Convention Priority from the Swedish patent applications Serial Nos. 7810503-8 and 7810504-5, respectively.
~i
Claims (19)
1. A rotor bearing system in darrius-type vertical-axis turbines, characterized in that the rotor shaft and the vanes and a liquid-displacing carrier ring are rigidly interconnected and mounted for centering and wind load absorption in a spherical and vertically displaceable bearing mounted rotatably on a central support, said carrier ring and rotor shaft and axis of rotation of the bearing being disposed concentrically.
2. The rotor bearing system of Claim 1, characterized by the carrier ring having a diameter of the order of magnitude of half the turbine diameter.
3. The rotor bearing system of Claim 1, characterized by the carrier ring having a diameter less than half the turbine diameter.
4. The rotor bearing system of Claim 1, characterized by the carrier ring being encircled by an annular receptacle having U-shaped profile closely following the contour of the carrier ring.
5. The rotor bearing system of Claim 1, characterized by the carrier ring being formed with a lower annular air or gas chamber so as to reduce the liquid friction against the carrier ring to the lateral walls of this latter.
6. The rotor bearing system of Claim 5, characterized by the lateral walls of the carrier ring being devised for gas discharge into the surrounding liquid so as to generate a friction-reducing curtain adjacent the outer walls of the ring.
7. The rotor bearing system of Claim 6, characterized by means for gas feed from the own annular gas cushion of the carrier ring, supplemented by additional feed from outside to the flow of gas to the curtain.
8. The rotor bearing system of Claim 6, characterized by subdivision of the annular gas curtain into a plurality of sectors by means of radially disposed gas-tight partition walls devised at the bottom to seal against the liquid by flexible sealing edges.
9. The rotor bearing system of claim 8, c h a r a c t-e r i z e d by the sectors of the gas cushion between the partition walls being disposed for adjustable gas pressure and gas feed, either common to all chambers or individually and capable of being modulated cyclically with the wind direction as reference for the phase angle determining the pressure cycle.
10. The rotor bearing system of claim 4, c h a r a c t-e r i z e d by the lower annular receptacle widened to constitute a storage chamber of cylindrical shape (Figure 5) devised for storage of displacement liquid heated by rotor friction, and removal of warm liquid.
11. The rotor bearing system of claim 10, c h a r a c t-e r i z e d by the storage chamber being devised also for supply of cold feed liquid.
12. The rotor bearing system of claim 1, c h a r a c t-e r i z e d by means to transfer the shaft power of the wind turbine to the mass of liquid as kinetic energy.
13. The rotor bearing system of claim 12, c h a r a c t-e r i z e d by the transfer means consisting of adjustable guide vanes disposed concentrically in the inner lateral wall of the rotor ring.
14. The rotor bearing system of claim 1, c h a r a c t e r i z e d by means to adapt the number of revolutions of the rotor to the wind velocity to obtain optimum efficiency of the system.
15. The rotor bearing system of claim 14, c h a r a c t-e r i z e d by said means comprising a wind-sensitive control of the power delivery from the turbine rotor.
16. The rotor bearing system of claim 1, c h a r a c t-e r i z e d by the rotor ring being adapted for becoming ballasted.
17. The rotor bearing system of claim 16, c h a r a c t-e r i z e d by the ballasting means consisting of liquid.
18. The rotor bearing system of claim 16, c h a r a c t-e r i z e d by the ballasting system consisting of mass material.
19. The rotor bearing system of claims 2 or 3 c h a r a c t e r i z e d by the lateral walls of the carrier ring on the outside being surrounded by a liquid having friction-reducing additives of polymers and similar substances of different kinds known per se.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE7810505-3 | 1978-10-06 | ||
| SE7810505A SE414074B (en) | 1978-10-06 | 1978-10-06 | Rotor bearing system in vertical axle turbines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1146470A true CA1146470A (en) | 1983-05-17 |
Family
ID=20336032
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000337121A Expired CA1146470A (en) | 1978-10-06 | 1979-10-05 | Rotor bearing system in vertical-axis turbines |
Country Status (2)
| Country | Link |
|---|---|
| CA (1) | CA1146470A (en) |
| SE (1) | SE414074B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7681512B2 (en) * | 2007-03-27 | 2010-03-23 | Dunn James L | Wind-powered, air cushioned rotatable platform |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0120273D0 (en) * | 2001-08-21 | 2001-10-10 | Imp College Innovations Ltd | Floating verticle-axis turbine |
-
1978
- 1978-10-06 SE SE7810505A patent/SE414074B/en unknown
-
1979
- 1979-10-05 CA CA000337121A patent/CA1146470A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7681512B2 (en) * | 2007-03-27 | 2010-03-23 | Dunn James L | Wind-powered, air cushioned rotatable platform |
Also Published As
| Publication number | Publication date |
|---|---|
| SE7810505L (en) | 1980-04-07 |
| SE414074B (en) | 1980-07-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |