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| Number | Title | Issue Date |
| 8047770 | Methods and systems for providing variable mechanical brake torque A brake system is provided for controlling a rotational speed of a drivetrain for a wind turbine. The drivetrain is coupled to a rotor shaft and a generator rotor shaft. The brake system includes a mechanical brake operatively coupled to the drivetrain. The mechanic... | 11/01/2011 |
| 8007227 | Mechanical emergency brake for wind turbines and method for operating same A mechanical emergency brake for a wind turbine is provided, said mechanical emergency brake comprising a spiral spring with a loop at its outer end, a cassette for accommodating said spring and a casing for receiving said cassette and said spring, wherein said casi... | 08/30/2011 |
| 7891941 | Wind turbine having a direct-drive drivetrain A wind turbine comprising an electrical generator that includes a rotor assembly. A wind rotor that includes a wind rotor hub is directly coupled to the rotor assembly via a simplified connection. The wind rotor and generator rotor assembly are rotatably mounted on ... | 02/22/2011 |
| 7862292 | Horizontal motion wave power generator A paddle wheel-driven horizontal wave generator system which is situated on the ocean shore for converting shore waves to unidirectional rotational force for generating power. By the use of a pair of one-way clutches on a single power shaft the incoming and outgoing... | 01/04/2011 |
| 7452181 | Plant facility A plant facility in which lubricant supply equipment for supplying a lubricant to rotor bearings and a speed reducer can be dispensed with. The plant facility comprises a gas turbine rotor of a gas turbine that serves as a prime mover driven by expansion work of a w... | 11/18/2008 |
| 7384239 | Drive device for a windmill provided with two counter-rotative propellers The drive device is provided for inclusion in a windmill with two counter-rotating screws. The shafts of the screws are each connected to a spindle of an epicyclical gearbox, the third spindle providing the energy for the user. The device further comprises a brake d... | 06/10/2008 |
| 7364399 | Wind power plant of cyclone type and method of obtaining energy from such A wind power plant having a tower open at the top and provided with a side inlet for the wind for generating a cyclone in the tower and a substantially horizontal turbine that has inlets through the base and an outlet to the center of the cyclone in the tower and th... | 04/29/2008 |
| 7354216 | Grease seal cup to retain lubrication for life extension in existing splined joint A grease seal cup for a splined joint between a drive shaft and a driven shaft comprises a cylindrical portion adapted to form a seal with the outer surface of the drive shaft and a seal with a sealing member, such as a spanner nut, of the driven shaft. The grease s... | 04/08/2008 |
| 7322790 | System for controlling stages of variable-pitch stator vanes in a turbomachine A system for controlling two stages of variable-pitch stator vanes of a turbomachine, the system comprising a drive element for turning the control ring of one of the stages via a leader member pivotally mounted on the casing, a synchronization bar for transmitting ... | 01/29/2008 |
| 7309208 | Turning gear drive system A clutch assembly for a turning gear includes an overspeed clutch, an output shaft, and a centrifugal clutch. The overspeed clutch is disposed at the input shaft. The output shaft is in mechanical communication with the input shaft via the overspeed clutch. The cent... | 12/18/2007 |
| 7306426 | Protection mechanism for flow inducing device A rotary flow inducing device having a rotary flow inducing blade and a protection mechanism including a trigger to move the protection mechanism between an operational flow configuration and a protective no-flow configuration with respect to the rotary flow inducin... | 12/11/2007 |
| 7273346 | System for controlling stages of variable-pitch stator vanes in a turbomachine A system for controlling two stages of variable-pitch stator vanes of a turbomachine, the system comprising a drive element for turning the control ring of one of the stages via a leader member pivotally mounted on the casing, a synchronization bar for transmitting ... | 09/25/2007 |
| 7192248 | High speed machining device An air turbine driven rotary machine tool having a tool casing, a turbine rotor mounted within the casing for rotation, a stator mounted in fixed position in the tool casing coaxially aligned with the turbine rotor, a annular cavity defined within the casing and coa... | 03/20/2007 |
| 7182582 | Centrifugal pump with reverse rotation protection integrated on the impeller blade In a centrifugal pump (10) for liquids comprising an impeller casing (50) inside which a centrifugal impeller (40) is rotatably mounted including a hub (42) from which a plurality of curved blades (44) delimited by two curved edges... | 02/27/2007 |
| 7118344 | Wind power plant for generating energy A wind power system (1) for generating power is proposed, comprising a rotor which is axially flowed through, is rotatably held on a shaft (2) and is provided with blades (3), as well as a guide device (5) which accelerates the air flow t... | 10/10/2006 |
| 7077732 | High torque dual chamber turbine rotor for hand held or spindle mounted pneumatic tool A high torque turbine rotor for a lightweight hand held tool for grinding and polishing having a rotor that includes two separate high pressure air chambers separated by a common housing wall, each air chamber having peripheral air expelling nozzles in a tangential ... | 07/18/2006 |
| 7066709 | Wind driven power generating system The present invention discloses a wind driven power generator. The wind driven power generating system comprises: a) an aerodynamic unit rotatably mounted at the top of a tower having a certain height; b) a plurality of rudders for aligning the aerodynamic unit with... | 06/27/2006 |
| 7040860 | Uni-directional impeller, and impeller and rotor assembly An impeller, and impeller and rotor assembly, for use with a permanent magnet motor that provide uni-directional rotation. The impeller and rotor assembly includes an interconnecting arrangement and a locking arrangement that permit continuous rotation in a first di... | 05/09/2006 |
| 7028822 | Integrated actuator assembly An actuator assembly adapted to selectively cause an input disk of a clutch/brake assembly to engage an output disk of a clutch/brake assembly. The actuator assembly includes a movable piston integrated with the clutch/brake assembly. At least a portion of the clutc... | 04/18/2006 |
| 6971840 | Method of enhancing the aerodynamic performance of a fan A fan is modified by replacing its rigid rotor shaft by a flexible shaft so the normal operating speed range is above the first transverse critical speed. During run-up, the assembly of the fan impeller 12 and the drive shaft 11 is accelerated rapidly ... | 12/06/2005 |
| 6904960 | Heat dissipation apparatus A heat dissipation apparatus has an enclosure, in which a lateral fan seat is integrally formed with the enclosure. The lateral fan seat divides the interior space of the enclosure into an upper chamber and a lower chamber. An axis is installed across the upper and ... | 06/14/2005 |
| 6860720 | Rotary drive used in conjunction with a mechanical and self-energizing coupling system A wind power system includes a rotary drive, used in conjunction with a mechanical and self-energizing coupling system. The rotary drive can be used as a wind power system in all areas. The electromagnetic coupling system can be used in all industrial areas, in all ... | 03/01/2005 |
| 6644420 | Compressed air tool A turning device for compressed air tools. which is operated by a compressed fluid, is provided with a housing and with a rotor, which is rotatably arranged in a front housing part and into whose turbine element the fluid, which is under pressure, can flo... | 11/11/2003 |
| 6629816 | Non-contacting clearance seal for high misalignment applications An improved oil seal is provided for sealing passage of a rotatable shaft through an end wall of a bearing housing in a turbomachine or the like, wherein the shaft is rotatably supported within the bearing housing by oil-lubricated bearings. The improved ... | 10/07/2003 |
| 6623238 | Air turbine starter with seal assembly An air turbine starter with an improved seal assembly is provided. A fluid conduit or channel allows higher pressure fluid into one side of a bearing seal. For example, the seal assembly may include a face seal, and a second seal forming a chamber therebe... | 09/23/2003 |
| 6582184 | Turbine controls testing device A turbine controls testing device is disclosed that can be adapted to test the control systems of most turbine rotors without the use of steam. The turbine controls testing device comprises an operator control system, a drive motive power assembly and a p... | 06/24/2003 |
| 6577033 | Stator A stator has a pocket portion (8) of a notch type resin-made stator, in which strength of an outer corner R (12b) provided in the pocket portion (8) is increased to thereby prevent the resin-made stator body (1) from being broken from the outer corner R (... | 06/10/2003 |
| 6551053 | Hydro-electric generator A hydro-electric generator for producing electricity in areas of flowing water. The hydro-electric generator includes a flotation device. An electric generator is mounted on the floatation device. A paddle wheel is rotatably mounted to the floatation devi... | 04/22/2003 |
| 6422814 | Fan brake for removable module Fan brakes for decelerating blower impellers particularly for modular equipment enclosures are described. A module includes a blower having an impeller with a plurality of blades. The brake engages the impeller body or blades when the module is at least p... | 07/23/2002 |
| 6312215 | Turbine engine windmilling brake A windmilling brake system for a turbine engine includes a brake drum (14) on an interior surface of an engine rotor. The drum circumscribes a brake unit (37) that includes a brake ring (38) with brake shoes (42) each connected to the ring by respective s... | 11/06/2001 |
| 6250882 | Portable working machine provided with a centrifugal air blower A portable working machine provided with a centrifugal air blower, which is featured in that a prime mover (50) for driving the air blower (20) is mounted via a supporting coupling member (30) on a volute case (22) of the air blower (20) which is mounted ... | 06/26/2001 |
| 6176675 | Yawing device and wind power plant comprising a yawing device A damping coupling is provided to reduce the oscillations of the yawing device of a wind power plant. The damping coupling transmits forces from a driving device to a yaw drive, and the damping coupling is arranged and positioned in such a way that the tr... | 01/23/2001 |
| 6148605 | Method and device for reversing the thrust of very high bypass ratio turbojet engines A high bypass ratio turbojet engine comprising a fan rotated by the shaft of a low pressure turbine via a speed reducer is provided with a thrust reverser device by providing the speed reducer with first and second epicyclic gear trains which are mounted ... | 11/21/2000 |
| 6099255 | Fluid power storage device A fluid power storage device is provided in which, the prime mover directly or through a slow-down gear train winds up a spring device having a latch attached therein. The spring device can be a spiral spring or simply a rubber band. When the stored up en... | 08/08/2000 |
| 5822987 | Stator and one way clutch assembly for a torque converter In a torque converter, in order to reduce the cost, simplify the manufacturing process and ensure the centering precision of of the stator relative to the outer race of a one-way clutch, the stator and the outer race of the one-way clutch have first engag... | 10/20/1998 |
| 5813829 | Disengageable manual drive for rotating a turbomachine rotor Manual rotation of a turbomachine rotor in order to bring the blades of the rotor one by one in front of an endoscope to check the blades is effected by a shaft which is rotatably connected to the rotor and which may be, for example, a shaft of the auxili... | 09/29/1998 |
| 5664418 | Whirl-wind vertical axis wind and water turbine A vertical axis wind turbine is supported by a frame held in place by an encircling series of crescent-shaped tubular deflector vanes. The vanes widen towards the turbine core, concentrating the wind. The wind is trapped momentarily on entering the turbin... | 09/09/1997 |
| 5655875 | Plastic torque converter stator with insert-molded one-way clutch outer race A torque converter stator made by injection molding of plastic material includes a metallic one-way clutch outer race which is insert molded within the stator hub. A plurality of recesses forming lubricant passages extend through the wall of a radial flan... | 08/12/1997 |
| 5439346 | Pneumatic pressure automatic braking mechanism A braking mechanism for a rotary apparatus having a housing adapted to receive a pressurized fluid and a rotor rotatably mounted in the housing. The braking mechanism enables the rotor to rotate in the housing in response to the receipt of the pressurized... | 08/08/1995 |
| 5323612 | Exhaust gas turbocharger arrangement An exhaust gas turbocharger for an internal combustion engine is described, in the turbine housing of which there is arranged upstream of the turbine wheel a turbine guide wheel which is mounted rotatably relative to the turbine wheel. In order to be able... | 06/28/1994 |
