Class 416/108 - By actuator eccentric to rotation axis

Subclass of Class 416 - Fluid reaction surfaces (i.e., impellers)
Definition: Apparatus wherein the concurrent movement is effected by
No. of patents: 27
Last issue date: 01/11/2005

Number	Title	Issue Date
6840738	Feathering turbine apparatus A feathering fluid-driven turbine comprises impellers, arranged around the turbine axis and affixed to axles disposed parallel to the axis of rotation of the turbine, and further comprises a vane, such as a wind vane, which points in the current direction of fluid f...	01/11/2005
6244919	Vertical axis and transversal flow nautical propulsor with continuous self-orientation of the blades A vertical axis and transversal flow nautical propulsor continuously self-orients the blades. The propulsor includes a plurality of blades rotatable about a vertical axis; a blade supporting plate for supporting the blades, wherein the blade supporting pl...	06/12/2001
6135713	Helicopter rotor blade flap actuator government interest An actively controlled helicopter rotor blade includes a trailing edge flap actuated by a fast-acting actuator. A lightweight, rugged, fast-acting actuator suitable for use as the flap actuator comprises a pair of column actuators composed of a smart mate...	10/24/2000
6109875	Cycloidal propeller A cycloidal propeller including a so-called slider-crank mechanism. The couplers of the slider-crank mechanism are attached to a control ring which is attached to a ball socket located at the lower end of a control rod. The required torsional retention re...	08/29/2000
6065935	Cycloidal propeller having blades which may be set into a sailing position The invention provides for a cycloidal propeller, in strictly rudder operation, accessory apparatuses that mesh with a gear drive connected to a shaft of the respective wing. The invention accomplishes relatively small actuation movements of the accessory...	05/23/2000
5993157	Cycloidal propeller having wings operated by hydraulic clutches A cycloidal propeller to achieve strictly a rudder operation includes accessory apparatuses containing accessory drives. Clutches are used to couple the accessory drives to the propeller shafts, and additional clutches are provided to disengage the fixed ...	11/30/1999
5931639	Helicopter blade assembly adapted to permit rapid forward flight A helicopter blade assembly for permitting rapid forward flight in a helicopter having separate means for providing a forward impetus. The assembly has a set of rotatable blades attached to a substantially vertical mast. These blades slope downward near t...	08/03/1999
5844323	Rotatable wheel for developing fluid kinetic energy by accepting action forces from multiple directions In the rotatable wheel having several radiate skeletons, some auxiliary axles are mounted on each radiate skeleton and provided at the lateral of a limb of the radiate skeleton to the direction opposite to that of external forces; a movable blade or a for...	12/01/1998
5800126	Swinging head gear shell of an electric fan A swinging head gear shell for an electric fan is provided and includes a body and a cover respectively molded from reinforced engineering plastics. The body has a mounting plate for mounting with screws, a first open top chamber and a second open top cha...	09/01/1998
5599167	Device for controlling the pitch of the blades of a rotorcraft rotor The device for controlling the pitch of the blades of a rotor using a mechanism having swashplates includes an auxiliary plate mounted on the non-rotating plate of the mechanism and which is secured in terms of rotation to the rotating plate of this mecha...	02/04/1997
5462406	Cyclodial propulsion system The present invention provides an offset control mechanism and a variable blade-pitch mechanical kinematic system for cycloidal propellers. This is achieved by the concentric positioning of the drive shaft, the variable offset circular guide track, the ec...	10/31/1995
5411372	Pole mounted revolving air circulating fan Disclosed is a new pole mounted revolving air circulating fan for inducing air movement within an air mass by use of a rotating impeller which simultaneously revolves around a vertical axis. The pole mounted revolving air circulating fan comprises a teles...	05/02/1995
5011373	Individual pitch control device for blades of rotors of rotor craft by means of rotating linear jacks An individual pitch control device for the blades (7) of a rotor of a rotor craft employing respective rotating linear jacks (29) for controlling the pitch of the rotor blades. The linear jacks are implanted in a rotating support (25) which is driven in r...	04/30/1991
4957413	Omnidirectional variable thrust propeller An omnidirectional variable thrust propeller for a vehicle includes a hub, plurality of blades, and a plurality of shafts. Each shaft is coaxially rotatably connected to a respective blade and extends through the hub at an acute angle to a hub longitudina...	09/18/1990
4752258	Device for controlling a cycloid propeller for watercraft To enable an exact and quick adjustment of the control point of a cycloid propeller ("Voith-Schneider-Propeller"), hydraulic adjustment cylinders are provided with electric proportional valves whose set value is determined by a cylinder stroke control cir...	06/21/1988
4465431	Overload protection apparatus for variable pitch propellers Disclosed is an overload protection apparatus for variable pitch propellers, particularly cycloidal propellers. The apparatus is of the kind having a hydraulic servomotor (2) with an adjustment rod (1) for actuating a propeller, and having mechanical rest...	08/14/1984
4392780	Wind powering of turbine having variable pitch vanes A vertical rotatable shaft is fitted with sets of radial arms extending from it to which are connected the leading edges of vanes rotatable about that member as axis. The vanes have sheets of flexbile material so that they may act like sails under pressur...	07/12/1983
4380417	Installation operated with wind or water power An installation for extracting useful work, such as driving an electric generator from a fluid stream, includes a platform rotatable about a central axis and supporting a plurality of blades or vanes, each of which is rotatable about its individual blade ...	04/19/1983
4301981	Aircraft with rotary wing An aircraft is provided with a wing in the form of an annulus having an airfoil shape in radial section, the wing being concentrically mounted on a vertical axle shaft which in turn is rotatably carried by a mounting on the fuselage. Rotation of the wing ...	11/24/1981
4299537	Interlinked variable-pitch blades for windmills and turbines Disclosed herein is a windmill comprising a vertical shaft mounted for rotation about its longitudinal axis, a number of blades each pivotally mounted for angular orientation about a longitudinal axis disposed parallel to the axis of rotation of the verti...	11/10/1981
4286923	Overload protection device for a propeller drive engine An overload protection device for the drive engine of a propeller, wherein the pitch of the propeller blades may be adjusted: A servomotor with a piston therein and the servomotor being controlled by a control valve which is adjustable by an adjustment le...	09/01/1981
4278894	Wind-driven power generator A wind-driven power generator comprising a plurality of blades mounted between a pair of spoked wheels on a vertical column, said blades being connected through an eccentric rod system to a vane for detecting the direction of the wind and positioning the ...	07/14/1981
4231705	Helicopter rotor This invention is concerned with helicopter rotor control systems which hitherto have tended to comprise complex assemblies which are costly to manufacture and maintain and which are vulnerable to external damage. A helicopter rotor is disclosed in which each ...	11/04/1980
4225286	Thrust generating device A device for generating a thrust in a liquid utilizing rotating cylinders. The cylinders are mounted on a rotatable hub and rotate about their own axes relative to the hub. The relative rotation follows, preferably, a sinusoidal path for producing the thr...	09/30/1980
4194707	Lift augmenting device for aircraft A lift augmenting device to provide a vertical take-off capability in aircraft which includes a pair of rotor assemblies with independently individually pivoted rotor vanes so that the attitude of the vanes can be changed at different positions along the ...	03/25/1980
4084537	Flank drive for planing hull and displacement craft The invention relates to a flank drive for propelling a boat wherein a plurality of propeller housings are rotatably mounted in a wheel body about and in driving engagement with a normally stationary guide wheel centrally of the wheel body, which wheel bo...	04/18/1978
3941502	Screw propeller assemblies A screw propeller assembly comprising a propeller shaft rotatable co-axially with a swash member, a propeller having a hub connected to the propeller shaft by way of a universal joint wherein the hub is mounted to the universal joint indirectly through jo...	03/02/1976

PatentStorm

Quotables

PatentStorm News

Class 416/108 - By actuator eccentric to rotation axis