EP3173666 TRANSMISSION

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European Patent Office

Application Number 16192611

Application Date 10.01.2013

Publication Number 3173666

Publication Date 31.05.2017

Publication Kind A1

IPC

CPC

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Applicants HYDRAUTRANS BV

Inventors VAN NEERBOS BART RICHARD

Designated States

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Priority Data 13701924 10.01.2013 EP
2008103 11.01.2012 NL

Title

(DE) GETRIEBE

(EN) TRANSMISSION

(FR) TRANSMISSION

Abstract

(EN) 1. Wind turbine comprising a hydraulic transmission. The transmission comprises a main gear (10, 18, 42, 45) on a rotor shaft (9, 38), pinions (12) engaging the main gear, and hydraulic pumps (13) by one of the pinions. A plurality of the hydraulic pumps (13) form a single hydraulic circuit with a single hydraulic motor(15) driving the generator (16).

(FR) L'invention porte sur une transmission montée dans un carter entre une turbine et une génératrice au sommet d'une tour d'une turbine éolienne. Cette transmission comprend une boîte de vitesses et, dans la boîte de vitesses, un pignon principal monté sur un arbre de pignon principal et un pignon qui engrène un jeu de dents d'engrenage du pignon principal. Le pignon est monté sur un arbre de pignon et l'arbre de pignon est accouplé à une pompe hydraulique montée sur la boîte de vitesses. Un moteur hydraulique entraîne la génératrice. Selon l'invention, l'arbre de pignon principal et l'arbre de rotor forment ensemble un arbre commun, et un palier d'arbre de pignon principal est monté entre l'arbre commun et la boîte de vitesses, et au moins deux barres de tension empêchent la rotation de la boîte de vitesses et laissent la boîte de vitesses libre de se déplacer dans des directions linéaires.

F	MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16	ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
H	GEARING
47	Combinations of mechanical gearing with fluid clutches or fluid gearing
02	the fluid gearing being of the volumetric type

F	MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16	ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
H	GEARING
47	Combinations of mechanical gearing with fluid clutches or fluid gearing
02	the fluid gearing being of the volumetric type

F	MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16	ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
H	GEARING
47	Combinations of mechanical gearing with fluid clutches or fluid gearing
02	the fluid gearing being of the volumetric type

F	MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
05	INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
B	INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
2240	Components
50	Bearings
54	Radial bearings

F	MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
05	INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
B	INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
2260	Function
40	Transmission of power
403	through the shape of the drive components
4031	as in toothed gearing

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1. EP3173666 - TRANSMISSION

F	MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
03	MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
D	WIND MOTORS
80	Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
70	Bearing or lubricating arrangements

Y	SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
02	TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
E	REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
10	Energy generation through renewable energy sources
70	Wind energy
72	Wind turbines with rotation axis in wind direction

H	ELECTRICITY
02	GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
K	DYNAMO-ELECTRIC MACHINES
7	Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
10	Structural association with clutches, brakes, gears, pulleys or mechanical starters
116	with gears