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Alstom Renewable Technologies patents


Recent patent applications related to Alstom Renewable Technologies. Alstom Renewable Technologies is listed as an Agent/Assignee. Note: Alstom Renewable Technologies may have other listings under different names/spellings. We're not affiliated with Alstom Renewable Technologies, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "A" | Alstom Renewable Technologies-related inventors


Turbine unit for hydraulic installation

A turbine unit for a hydraulic installation, and more in particular it deals with the hub of the turbine unit. The present invention proposes to provide means for adjusting a gap extent formed between the hub and the inner edge of the blade, this way dramatically increasing the performance of the turbine.. ... Alstom Renewable Technologies

Blade for a wind turbine

A blade for a wind turbine comprising a blade root portion is described. The blade root portion defines a mounting surface for coupling to a hub or extender of the wind turbine and comprises a plurality of first holes provided with an insert, the blade root portion further comprises a mounting flange arranged in the periphery of the mounting surface and provided with second holes, wherein the inserts comprise a first end embedded in the blade root portion and a second end opposite to the first end, the second end protruding beyond the mounting surface of the blade root portion, and wherein the second ends are fitted in the second holes of the mounting flange and the mounting flange is attached to the blade by means of the inserts. ... Alstom Renewable Technologies

Supporting device and method for supporting winding coils in a wind turbine generator

The device includes a flexible member that is in a relaxed, substantially concave configuration before being inserted between two adjacent stator portions, and in an operating, substantially flattened configuration when inserted between two adjacent stator portions in which the flexible member is compressed by the stator portions and the winding coils. The flexible member may be in an inserting, substantially convex configuration for being inserted between the adjacent stator portions.. ... Alstom Renewable Technologies

Bolted attachment for attaching wind turbine parts

A bolted attachment having opposite threaded sections between which a shank is provided having at least two shank sections with different diameter located at a length from the threaded section of at least three times the difference between a diameter of a threaded section and a minimum diameter of the shank. At least one conical transition is formed between two adjacent shank sections where the ratio of its length to a difference between a diameter at one end of the transition and a diameter at the opposite end of the transition is of at least 0.85.. ... Alstom Renewable Technologies

Method for stabilizing the rotation speed of a hydraulic machine with s-characteristics and installation for converting hydraulic energy into electrical energy

The method allows stabilizing the rotation speed of a hydraulic machine with s-characteristics. It is implemented by means of a control loop feedback system having a controller for calculating an orientation to affect guide vanes of the machine. ... Alstom Renewable Technologies

Method for stabilizing the rotation speed of a hydraulic machine with s-characteristics and installation for converting hydraulic energy into electrical energy

A method for stabilizing the rotation speed of a machine with s-characteristics is provided. The method includes calculating a target net head and a target opening to affect guide vanes of the machine, the target net head and the target opening being calculated so that the torque exerted by water flow on the turbine is null and that the machine rotates at a target rotation speed; determining a real net head to which the machine is subjected; comparing the target net head with the real net head; and adjusting the opening of the guide vanes so as to converge towards the target opening and reduce a height difference between the target net head and the real net head.. ... Alstom Renewable Technologies

Method for determining the operating point of a hydraulic machine and installation for converting hydraulic energy

This method allows determining the operating point of a hydraulic machine in a considered operating range, such as turbine mode, and comprises steps that consist in a) determining two coordinates (n′11, t′11) of a first series of potential operating points of the hydraulic machine for the orientation affected to guide vanes of the machine, b) measuring the rotation speed of the machine, and c) determining the torque exerted by water flow on the machine. The method further includes steps consisting in d) calculating two coordinates (n11, t11) of a second series of potential operating points of the machine in function of the rotation speed (n) measured at step b) and the torque determined at step c), and e) deducing the two coordinates (n11_real, t11_real) of operating point that belongs both to the first and the second series in the said considered operating range of the machine.. ... Alstom Renewable Technologies

Method and system for securing electronic data exchange between an industrial programmable device and a portable programmable device

A method and device for securing electronic data exchange between an industrial programmable device implementing industrial process control and a portable programmable device, said portable programmable device being adapted to be operated by a user and to exchange electronic data with said industrial programmable device via a first communication protocol, each of said industrial programmable device and portable programmable device comprising a communication module enabling said first communication protocol. The method comprises, on each device, reading a user identifier, disabling the communication modules of said devices if the user identifier is not recognized in a locally memorized set of authorized users, and verifying whether a first user identifier read on the industrial programmable device and a second user identifier read on the portable programmable device are identical, and in case of negative verification, disabling the communication module of the industrial programmable device and/or the portable programmable device.. ... Alstom Renewable Technologies

Blade for shrouded runner and shrouded runner comprising said blade

Embodiments of the present invention are related to a shrouded kaplan and shrouded propeller-type hydraulic turbine. More in particular, the embodiments relate to a blade for such shrouded turbines. ... Alstom Renewable Technologies

Controller for hydroelectric group

Embodiments of the present invention generally relate to a new controller and a new control method for a hydraulic turbine and a synchronous generator, particularly to attenuate the effect of the vortex rope pressure oscillations on the active power.. . ... Alstom Renewable Technologies

Runner unit for a hydro turbine

A hydro turbine with a runner unit allows adjusting the gap clearance downstream and between the runner end tip portion and the inner edge of the blades. This gap clearance may depend on the angular position of the runner blades.. ... Alstom Renewable Technologies

Methods of operating a set of wind turbines and systems

Methods of operating a set of wind turbines for providing a total power demand to a grid according to a grid requirement are provided. A first group of wind turbines is configured to generate an individual active power based on an individual set-point. ... Alstom Renewable Technologies

Double-regulated turbine, installation for converting hydraulic energy and process for the rehabilitation of a double-regulated turbine

The double-regulated turbine comprises a spherical hub, adapted to rotate around a first rotation axis, and blades, which are each able to be swivelled relative to the hub around a second rotation axis, transversal to the first rotation axis, by respective coupling flanges that are mounted fixedly on the spherical hub and that include each an attachment surface for a corresponding blade. The attachment surface of the coupling flanges includes a flat portion.. ... Alstom Renewable Technologies

Operating wind turbines

Methods are provided of operating first and second wind turbines in a situation wherein presence of the first wind turbine affects the wind so that a wake is generated that affects the second wind turbine. These methods include determining parameters of the wind at first wind turbine and at second wind turbine. ... Alstom Renewable Technologies








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This listing is an abstract for educational and research purposes is only meant as a recent sample of applications filed, not a comprehensive history. Freshpatents.com is not affiliated or associated with Alstom Renewable Technologies in any way and there may be associated servicemarks. This data is also published to the public by the USPTO and available for free on their website. Note that there may be alternative spellings for Alstom Renewable Technologies with additional patents listed. Browse our Agent directory for other possible listings. Page by FreshPatents.com

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