Class / Patent application number | Description | Number of patent applications / Date published |
416223000 |
SPECIFIC BLADE STRUCTURE (E.G., SHAPE, MATERIAL, ETC.)
| 1893 |
416204000 |
SPECIFIC WORKING MEMBER MOUNT
| 842 |
416001000 |
METHOD OF OPERATION
| 836 |
416095000 |
WITH HEATING, COOLING OR THERMAL INSULATION MEANS
| 651 |
416179000 |
ROTOR HAVING FLOW CONFINING OR DEFLECTING WEB, SHROUD OR CONTINUOUS PASSAGE
| 382 |
416244000 |
SUPPORT MOUNTING, CARRIER OR FAIRING STRUCTURE
| 268 |
416147000 |
HAVING POSITIVE MEANS FOR IMPELLER ADJUSTMENT
| 231 |
416131000 |
ARTICULATED, RESILIENTLY MOUNTED OR SELF-SHIFTING IMPELLER OR WORKING MEMBER
| 161 |
416031000 |
WITH CONTROL MEANS RESPONSIVE TO NON-CYCLIC CONDITION SENSING, CENTRIFUGAL ACTUATION, TORQUE OR THRUST
| 159 |
416146000 |
COMBINED OR CONVERTIBLE
| 112 |
416170000 |
SPECIFIC DRIVE OR TRANSMISSION MEANS
| 107 |
416174000 |
HAVING LUBRICATING, SEALING, PACKING OR SPECIFIC BEARING MEANS BETWEEN IMPELLER OR SHAFT AND STATIC PART
| 106 |
416009000 |
WITH MEANS POSITIONING FLUID CURRENT DRIVEN IMPELLER RELATIVE TO FLOW DIRECTION
| 105 |
416144000 |
WITH WEIGHT-BALANCING MEANS
| 95 |
416061000 |
WITH MEASURING, TESTING, SIGNALLING OR INSPECTION MEANS
| 91 |
416098000 |
SUSTAINED ANCILLARY MOVEMENT OF ROTARY WORKING MEMBER (E.G., CYCLIC FEATHERING, ETC.)
| 88 |
416120000 |
PLURAL IMPELLERS HAVING RELATIVE MOVEMENT OR INDEPENDENT SUPPORTS
| 80 |
416090000 |
WITH FLUID PASSAGE IN WORKING MEMBER COMMUNICATING WITH WORKING FLUID
| 76 |
416023000 |
WITH MEANS MOVING WORKING FLUID DEFLECTING WORKING MEMBER PART DURING OPERATION (E.G., AILERON, ETC.)
| 64 |
416198000 |
MULTIPLE AXIALLY SPACED WORKING MEMBERS
| 47 |
416005000 |
WITH ILLUMINATION MEANS
| 33 |
416169000 |
HAVING CLUTCH OR BRAKE MEANS
| 30 |
416085000 |
FLOAT SUPPORTED
| 26 |
416194000 |
LASHING BETWEEN WORKING MEMBERS OR EXTERNAL BRACING
| 26 |
416197000 |
CUPPED REACTION SURFACE NORMAL TO ROTATION PLANE
| 24 |
416093000 |
AMBIENT FLUID OR EXHAUST GAS DIRECTED THROUGH HUB, FAIRING OR HOUSING
| 24 |
416087000 |
RADIALLY EXTENSIBLE OR RETRACTIBLE ROTOR WORKING MEMBER
| 24 |
416176000 |
SPIRAL BLADE OR FLOW PASSAGE (360 DEGREE)
| 22 |
416178000 |
PERIMETRIC BLADING EXTENDING AXIALLY BETWEEN ANNULAR MEMBERS (E.G., SQUIRREL CAGE TYPE, ETC.)
| 18 |
416248000 |
MISCELLANEOUS (E.G., BLADE ROOT OR ROOT BLOCK, ETC.)
| 17 |
416142000 |
WORKING MEMBER FOLDABLE, PIVOTABLE OR COLLAPSIBLE TO NON-USE POSITION
| 16 |
416069000 |
OPERATOR SUPPORTED MANUALLY ACTUATED TYPE
| 15 |
416062000 |
REMOVABLE AUXILIARY ATTACHMENT TO WORK SURFACE
| 15 |
416203000 |
UNSYMMETRICAL IMPELLER OR DISSIMILAR WORKING MEMBERS
| 13 |
416002000 |
HAVING FRANGIBLE OR FUSIBLE PART OR CONNECTION
| 12 |
416175000 |
DIVERSE IMPELLERS OR WORKING MEMBERS
| 10 |
416084000 |
BUOYANT OR INFLATABLE WORKING MEMBER
| 10 |
416247000 |
PROTECTIVE SCREEN OR GUARD
| 10 |
416003000 |
ACTUATION DIRECTLY RESPONSIVE TO MAGNETIC OR ELECTRICAL EFFECT
| 9 |
416020000 |
DRIVE BY FLUID REACTION JET ON WORKING MEMBER
| 8 |
416079000 |
OSCILLATORY REACTION MOTION
| 7 |
416007000 |
WORKING MEMBER SUPPORTED ON ENDLESS FLEXIBLE CARRIER
| 7 |
416054000 |
OPERATED BY ART DEVICE
| 6 |
416063000 |
AMBULANT, BODY SUPPORTED OR WITH CARRYING HANDLE
| 6 |
416025000 |
INTERRELATED CONTROLS FOR IMPELLER AND DRIVE MEANS | 3 |
20110002783 | CEILING FAN - A ceiling fan comprising a motor which rotates a plurality of blades provided in a horizontal direction, a shaft projecting from an upper portion of the motor, a pipe which is connected to an upper end of the shaft and which hangs from a ceiling surface, a connecting rod for connecting the pipe and the shaft with each other via through holes formed in the pipe and the shaft, respectively, a female screw which is threadedly engaged with the connecting rod, a displacement-correspondence tool which is displaced or which detects a displacement amount in correspondence with a relative positional displacement amount between the shaft and the pipe, and a power source control tool which controls energization to the motor in accordance with the displacement of the displacement-correspondence tool or the detected displacement amount. | 01-06-2011 |
20110255969 | WIND TURBINE WITH CONTROL SYSTEM - The present invention relates to a wind turbine assembly comprising a turbine having turbine blades, said turbine being arranged to generate a rotational energy as the turbine blades are engaged by a wind, characterized in that said wind turbine assembly further comprises an emergency brake that is operationally connected to the turbine blades for pitching the turbine blades towards a rest position by the rotational energy of the turbine, when the emergency brake is activated. | 10-20-2011 |
20130243595 | Method to rotate the rotor of a wind turbine and means to use in this method - A direct driven wind turbine includes an electrical generator with a rotor and a stator, a hub for receiving a rotor blade, and actuator device. The hub is connected to the rotor of the electrical generator, and the hub and the rotor of the electrical generator are rotatable mounted in respect to the stator of the generator. The actuator device is constructed and arranged to rotate the hub of the wind turbine in respect to the stator of the electrical generator. The actuator device is the electrical generator, wherein the electrical generator of the wind turbine is used as a motor to rotate the hub of the wind turbine. | 09-19-2013 |
416006000 |
DRIVEN BY PULSATING OR DIVERSE WORKING FLUID | 3 |
20150056076 | Floating Wind Farm - A floating wind farm having wind machines positioned on a generally V-shaped floating platform, the platform being tethered to an anchor such that the platform is free to be repositioned by the wind for optimum production. The wind machines power air compressors and the floating platform itself comprises large storage chambers to receive the compressed air, or storage chambers to receive liquefied air. | 02-26-2015 |
20150354543 | Floating Wind Turbine Structure - Floating wind turbine structure comprising a socket provided with one or more anchorings to the seabed to support one or more wind turbines connected to a driving motor or power generator. The wind turbine is arranged upon a substantially triangular floater device consisting of hollow pipes extending downwards into the sea at a mutual angle and increasing mutual distance in direction downwards. A hollow arc-shaped underpart/cross piece is arranged at the lower end of the floater device pipes. A strutting piece is arranged at the upper part of the floater device. The cross piece is partially filled by liquid and its internal is provided with a flow restricting plate which decelerates liquid flow from one end to the other of the cross piece during increasing and decreasing heeling. | 12-10-2015 |
20160003213 | Position-Controlled Wave Power Generating Apparatus - A position-controlled wave power generating apparatus. A position-controlled wave power generating apparatus is included a floating part floatable on a body of water, a motion conversion unit coupled to a floating part, a power generating unit generating electricity using a generator connected to a motion conversion unit, and a position control unit positioned below a water surface to generate a thrust from the energy of waves. | 01-07-2016 |
416064000 |
TRANSLATORY REACTION MOTION | 3 |
20090246022 | FIRE FIGHTING PUMP AND ITS OPERATING METHODS - A fire fighting pump and operation thereof and a fire fighting system and a fire engine, wherein the pump includes a housing, a motor mounted inside the housing and two or more stages of series-connected impeller assemblies. A water inlet is provided on the housing between the motor and the impeller assemblies. The impeller assemblies are mounted on the impeller shaft coaxially and in series with each other. The impeller shaft is fixed on the motor shaft or is coaxial with the latter. The impeller assembly includes a thruster, an impeller, an end cover and a retaining ring on the periphery of the thruster and the impeller, and those four elements are installed in turn. Several first blades are provided in the thruster and several second blades which correspond with the first blades in amount and location are provided in the impeller. | 10-01-2009 |
20130052014 | SPINNAKER SAILS FROM INTERWOVEN STRAPS FOR GENERATING ELECTRIC POWER FROM WIND - New types of “airborne spinnaker sails” are disclosed, made from high-strength straps that are interwoven in a manner that preserves open space between them. These devices, referred to as “webbing sails” or simply “web sails”, are designed for use in conjunction with buoyant lifting devices, to capture and harvest wind energy in a way which will generate large mechanical pulling forces, which can be used to drive electric power generators. These types of web sails are designed to operate in winds that exceed 100 or even 150 miles per hour. | 02-28-2013 |
20140193258 | SWING FAN STRUCTURE - A swing fan structure includes a main body and multiple blades. The main body has an upper face and a lower face. The main body also has a long side and a short side. The blades are side by side disposed on the upper face of the main body in parallel to each other. The blades define therebetween a flow way. The blades are drivable by the main body to reciprocally move along the long side to create an air volume. The swing fan structure has a greatly minified volume. Also, the swing fan structure overcomes the shortcoming of unstable operation of the conventional fan caused by deflection of the blades in rotation. | 07-10-2014 |
416078000 |
CRANK TYPE DIPPING OR STIRRING MOTION | 2 |
20140271195 | Boat rowign device - A boat rowing device is disclosed. The device comprises a driving gear secured to a plate. A driven gear is secured with the plate such that to receive rotational movement from the driving gear. A handle is secured with the driving gear to rotate the driving gear. An oar is secured with the driven gear such that to facilitate rowing of the boat. | 09-18-2014 |
20140328682 | PROPULSION DEVICE FOR USE WITH A FLUID - In one embodiment, a propulsion device for use with a fluid may include a shaft coupled to a drive system that rotates the shaft, one or more cranks rigidly coupled to the shaft, and one or more connecting structures that are movably coupled to one of the one or more cranks. A foil may be rigidly coupled to the one or more connecting structures. One or more slide structures or one or more linkages may be coupled to the foil and arranged to restrain movement of the foil when the foil is actuated by the one or more cranks via the one or more connecting structures, such that rotational motion of the shaft is translated to a combination of motion of the foil between an inner extent and an outer extent and motion of the foil within an angular range between first and second limits. | 11-06-2014 |
416202000 |
PROJECTING BLADE AXIS OFFSET FROM ROTATION AXIS | 2 |
20110262276 | VERTICAL AXIS WIND TURBINE - A vertical axis wind turbine includes an upstanding support structure, a plurality of generators disposed on the support structure, a central shaft in rotatable communication with the generators and positioned along a central axis of the vertical-axis wind turbine, a plurality of struts extending from the central shaft, and a plurality of blades, each blade positioned at an end of a corresponding strut and oriented substantially vertically. The vertical axis wind turbine optionally includes strut ailerons, blade extension elements, or blade ailerons to increase the efficiency and duty cycle of the wind turbine. | 10-27-2011 |
20130094967 | VERTICAL AXIS WIND TURBINE SYSTEM - A vertical axis wind turbine system is revealed. Two vertical axis wind supply units are arranged beside a support rod and between an upper and a lower connection plates. The vertical axis wind supply unit includes blades around a rotor shaft. Each blade includes a blade body and valves. The blade body is a helical plate having a plurality of crossed barriers and insertion holes among barriers. Moreover, the valves are fixed on an upwind surface of the blade body and an upper side of the valve is connected to the blade body. Each valve is corresponding to at least one insertion hole. Each of the two rotor shafts are connected to a generator set by a transmission set. When wind turns the blades, each blade spin the rotor shaft and the transmission set transfers energy generated by the rotating blades to the generator set for conversion to electrical power. | 04-18-2013 |
416004000 |
ROTARY SKIN FRICTION TYPE (E.G., MAGNUS ROTOR, ETC.) | 2 |
20110318179 | WIND TURBINE AND METHOD OF OPERATING SAME - A turbine blade assembly ( | 12-29-2011 |
20130302164 | MAGNUS ROTOR WITH BALANCING WEIGHTS AND METHOD FOR BALANCING A BODY OF REVOLUTION - The invention relates to a Magnus rotor comprising a cylindrical body of revolution for converting wind power into a feed force using the Magnus effect. The Magnus rotor comprises: a rotational shaft about which the body of revolution rotates; a support member on which the body of revolution is mounted; and a body of revolution which has means for the reinforcement thereof. The body of revolution is primed in at least two planes arranged at a mutual spacing in the axial direction perpendicular to the rotational shaft of the body of revolution in order to accommodate balancing weights. The invention further relates to a method for balancing a body of revolution according to the invention. | 11-14-2013 |
416500000 |
VIBRATION DAMPING FEATURES | 1 |
20110033310 | ELECTROMAGNETIC INERTIAL ACTUATOR - An electromagnetic inertial actuator includes a support base and a parallel arrangement of a first flexure part, a voice coil motor part, and a second flexure part. The parallel arrangement is cantilevered from the support base. | 02-10-2011 |
416019000 |
SINGLE BLADE ROTARY IMPELLER WITH COUNTERBALANCE | 1 |
20100278646 | Fan, especially a ceiling fan with a balanced single blade - Described is a fan with a blade suitable for use as a ceiling fan. The blade may be regarded as a single blade, although shaft is not attached to blade at one end thereof; rather, shaft is attached to blade at a point between first end and second end. Blade is balanced by counterweights located in blade. In one embodiment, blade is connected to shaft by means that permit angular movement, such as a teeter hinge. | 11-04-2010 |