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Results 1-10 of 46,449 for Criteria: Office(s):all Language:EN Stemming: true maximize
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TitleCtrPubDate
Int.ClassAppl.NoApplicantInventor
1. WO/2015/123738 FLUID KINETIC APPARATUSWO27.08.2015
F03D 3/06
PCT/BR2014/000060DE CARVALHO CRUZ, EulerDE CARVALHO CRUZ, Euler
The present invention patent relates to an apparatus (1) for extracting energy from moving fluids, such as winds, sea currents, tides or rivers, comprising a fixed base or tower (2) and a rotary hub-like component (3) mounted on the tower and provided with inclined blades (4) in the form of airfoils or hydrofoils wich extend outwards from said rotary hub, or in the form of horizontal or inclined arms (5) linked to said rotary hub; each blade contains articulation points (6) that connect it to the rotary hub and to the arms (5) and can pivot about an articulation line so as to vary its inclination angle (A) relative to the axial centerline, the variation in inclination being controlled or carried out by mechanical actuators (7) while the apparatus (1) rotates or is at a standstill; each blade (4) can be connected to and actuate fluid pressurizing pumps (8) used to actuate electric energy or motive force generators; the rotary shaft can also be connected to electric energy or electromotive force generators, or also actuate fluid pressurizing pumps (8) used to actuate electric energy or motive force generators.

2. WO/2015/123924 HORIZONTAL-AXIS WIND DRIVEN GENERATOR PROVIDED WITH PADDLE-SHAPED BLADE AND DRUM-SHAPED EXTENDABLE WIND WHEELWO27.08.2015
F03D 1/06
PCT/CN2014/077518ZHANG, XiaoxinZHANG, Xiaoxin
A horizontal-axis wind driven generator comprises a tower (9), a fan main shaft (7), a generator (8), and a drum-shaped extendable wind wheel (20). The drum-shaped extendable wind wheel (20) comprises a paddle-shaped blade (4), a blade shaft (13), a front frame, a middle frame, a rear frame, an arc connection rod, and an adjustment apparatus. An inner frame (10) of the front frame, an inner frame (5) of the middle frame, and an inner frame of the rear frame are sequentially assembled on the front section of the fan main shaft (7). The inner frame (5) of the middle frame and the fan main shaft (7) are fixed in place using bolts. The front frame and the rear frame are slidably fitted to the fan main shaft (7). The paddle-shaped blade (4) is assembled on the middle frame. Slide blocks (15) on end portions of the paddle-shaped blade (4) are separately fitted to slideways (18) of the front frame and the rear frame. The adjustment apparatus drives the slide blocks (15) on the end portions of the paddle-shaped blade (4) to adjust the windward angle of the paddle-shaped blade (4). The horizontal-axis wind driven generator improves output power and the wind capture efficiency of a fan, and reduces unit cost of power generation and reduces repair and maintenance costs, so that the horizontal-axis wind driven generator has a wide application range of wind speeds.

3. WO/2015/123925 HORIZONTAL-AXIS WIND DRIVEN GENERATOR PROVIDED WITH DOOR-LEAF-SHAPED BLADE AND EXTENDABLE WIND WHEELWO27.08.2015
F03D 1/06
PCT/CN2014/077519ZHANG, XiaoxinZHANG, Xiaoxin
A horizontal-axis wind driven generator provided with a door-leaf-shaped blade and an extendable wind wheel comprises a tower (8), a fan main shaft (6), a generator (7), and an extendable wind wheel (16). The extendable wind wheel (16) further comprises a front frame, a rear frame, a regulation apparatus, and a door-leaf-shaped blade (4). The front frame comprises an inner frame (9) of the front frame and an outer frame (2) of the front frame. The rear frame comprises an inner frame (11) of the rear frame and an outer frame (5) of the rear frame. The inner frame (9) of the front frame and the outer frame (2) of the front frame are connected by means of a support rod (10) of the front frame. The inner frame (11) of the rear frame and the outer frame (5) of the rear frame are connected by means of a support rod (19) of the rear frame. The inner frame (9) of the front frame and the inner frame (11) of the rear frame are in key connection with a front section of the fan main shaft (6). An inner frame (9) of the front frame is slidably fitted to the fan main shaft (6). The inner frame (11) of the rear frame and the fan main shaft (6) are located by using bolts. The present invention improves output power and the wind capture efficiency of a fan, and reduces cost of power generation in a unit and reduces repair and maintenance costs, so that the present invention is suitable for a large or middle wind driven generator.

4. WO/2015/124365 LIGHTNING ARRESTERWO27.08.2015
F03D 11/00
PCT/EP2015/051128SIEMENS AKTIENGESELLSCHAFTNIEUWENHUIZEN, John
The invention relates to a lightning arrester (1) for a rotor blade (2) of a wind turbine (5), comprising an electrically conductive plate (10) for introduction into the interior (20) of the rotor blade (2), an electrically conductive pin (11) which is passed through the plate (10) and which has at least one externally located end region (110) having a first coupling element (111), said lightning arrester further comprising at least one electrically conductive receiver (12) having a second coupling element (121), wherein a receiver (12) is coupled by means of first and second coupling elements (111, 121) to the pin (11). The invention further relates to a rotor blade and to a wind turbine.

5. WO/2015/124815 PREFABRICATED FOOTING FOR WIND TURBINESWO27.08.2015
E02D 27/42
PCT/ES2015/070101INNEO TORRES, S.L.JIMENO CHUECA, Jose Emilio
The footing is intended to be constructed on an excavation, such as to obtain a lower concrete slab (2) on the bottom of the excavation, together with its corresponding steel reinforcement, a plurality of prefabricated partitions (3), also made from concrete, being disposed on said lower concrete slab (2) radially in relation to a concrete work (4) in the form of a circle, in situ or prefabricated, such that the spaces defined between these elements are filled with the material (5) obtained during excavation, with a full or partial upper slab (1) finally being provided on top. In this way, and with the use of prefabricated elements, the building work is simplified, which has a positive impact on construction times and production costs.

6. WO/2015/124761 FOAM-FILLED TURBINE BLADE AND METHOD OF MANUFACTUREWO27.08.2015
F03B 3/12
PCT/EP2015/053696MARINE CURRENT TURBINES LIMITEDCACHO-OSES, Raul
A method of manufacturing a turbine blade (1) comprises shaping first and second blade shells (2, 3) and curing the shells; installing a spar (7) in the first shell; partially filling a volume, defined by the first and second shells and the spar, with foam sheets (9); providing a volume of a foam forming substance in voids (12) formed between the foam sheets or the spar and an inner surface of the shells; fitting the second shell (3) to the first shell (2) to enclose the spar and foam sheets; and curing the assembled blade.

7. WO/2015/124568 WIND TURBINE BLADE BUSHING SYSTEMWO27.08.2015
F03D 1/06
PCT/EP2015/053314LM WP PATENT HOLDING A/SJACOBSEN, Torben Krogsdal
A wind turbine blade bushing system for arrangement in a root end of a wind turbine blade is described. The wind turbine blade bushing system comprises a threaded element for retaining a mounting bolt for a wind turbine blade, the threaded element being formed from a first material; and an anchor element for arrangement at the root end of the wind turbine, wherein the anchor element acts to at least partly retain the threaded element in the wind turbine blade, the anchor element being formed from a second material. The first material has a higher strength and higher fracture toughness than the second material.

8. WO/2015/123784 COMPRESSED AIR ENERGY STORAGE SYSTEMWO27.08.2015
F15B 1/027
PCT/CA2015/050137ISOCURRENT ENERGY INCORPORATEDKARAMANEV, Dimitre
A hydraulic energy flow conversion device is for use in association with a compressed air storage unit and an input device. The input device is for inputting mechanical energy. The hydraulic energy flow conversion device includes a first hydraulic cylinder and a means for decreasing the displacement rate during the compression cycle. The first hydraulic cylinder includes a first hydraulic piston and has a compression cycle, an expansion cycle and a displacement rate. The first hydraulic cylinder is operably connected to the compressed air storage unit. The first hydraulic piston is operably connected to the input device. The energy input device may be a wind turbine.

9. WO/2015/124946 METHOD AND SYSTEM FOR IMPROVING ENERGY CAPTURE EFFICIENCY FROM AN ENERGY CAPTURE DEVICEWO27.08.2015
F03D 7/02
PCT/GB2015/050501SGURRENERGY LIMITEDIRVINE, Ian
A method and system for improving the efficiency of energy capture from an energy capture device by analysis of the downstream fluid wake created by the energy capture device. In an illustrated embodiment, the system (10) comprises a sensing arrangement (32) configured to acquire air flow data from a downstream wake (34) produced by rotating blades (20) of a wind turbine (12), the sensing arrangement (32) comprising a Lidar unit (35) having an optical source (36) and a receiver (38). In use, the sensing arrangement (32) acquires data relating to the air flow velocity in the wake (34), which data is then processed to determine the relative angle of the wind turbine (12) and the average direction (D) of the incident resource (W).

10. WO/2015/120921 VERTICAL WIND GENERATORWO20.08.2015
F03D 7/06
PCT/EP2014/065921RATH, ThorstenRATH, Siegfried Franz
The invention relates to a vertical wind generator comprising at least two blades which are rotatably mounted with respect to a center vertical axis of rotation, each blade having a main blade with a long side and an auxiliary blade fastened to the long side of the main blade. The auxiliary blade can be moved between a first and a second position relative to the main blade.


Results 1-10 of 46,449 for Criteria: Office(s):all Language:EN Stemming: true
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